1. A telescopic device for building construction comprises a bottom plate (1) and two movable wheels (2) rotatably arranged at the lower end of the bottom plate (1), wherein two ends of the bottom plate (1) are respectively provided with a positioning mechanism, the telescopic device is characterized in that the upper wall of the bottom plate (1) is symmetrically and fixedly provided with two fixed rods (3), the upper ends of the fixed rods (3) are slidably provided with movable rods (4), the upper ends of the movable rods (4) are fixedly provided with a bearing plate (5), the lower ends of the movable rods (4) are fixedly provided with a slotted plate (6), the slotted plate (6) is arranged in the fixed rods (3), the side wall of the slotted plate (6) is meshed with a driven wheel (7), two driven wheels (8) are fixedly arranged between the driven wheels (7), one end of the connecting rod (8) is fixedly provided with a limiting plate, and the limiting plate is arranged at the outer side wall of the fixed rods (3), the other end of the connecting rod (8) is fixedly provided with a first helical gear (9), the first helical gear (9) is meshed with a second helical gear (10), one end of the lower wall of the bearing plate (5) is fixedly provided with a motor (11), the lower end of the motor (11) is electrically connected with a telescopic rod (12), the lower end of the telescopic rod (12) is fixedly connected with the second helical gear (10), the side wall of the lower end of the telescopic rod (12) is also provided with a limiting mechanism, the bottom plate (1) is also fixedly provided with two fixed cavities (13), the upper end of each fixed cavity (13) is provided with a movable cavity (14), the lower end of each movable cavity (14) is arranged in the corresponding fixed cavity (13), the side wall of the upper end of the corresponding movable cavity (14) is fixedly provided with a fixed block (15), the fixed block (15) is provided with a screw (16) in a penetrating manner, and the fixed block (15) is fixedly arranged on the lower wall of the bearing plate (5) through the screw (16), fixed chamber (13) and activity chamber (14) set up for the intercommunication, just be equipped with suspension (17) in fixed chamber (13) and the activity chamber (14), the upper wall of loading board (5) still is equipped with two water inlets, two the water inlet corresponds the setting with two activity chambers (14) respectively, two still be equipped with between fixed chamber (13) and carry thing case (18), the both ends of carrying thing case (18) are all fixed and are equipped with kicking block (19), kicking block (19) suspension setting in fixed chamber (13), be equipped with the through-hole on loading board (5), through-hole and the corresponding setting of carrying thing case (18), be equipped with canceling release mechanical system between the lower extreme of carrying case (18) and bottom plate (1).

2. The telescopic device for building construction according to claim 1, wherein the positioning mechanism comprises threaded cavities (21) fixedly arranged at two ends of the bottom plate (1), sliding plates (22) are slidably arranged in the threaded cavities (21), positioning blocks (23) are rotatably arranged at the lower ends of the sliding plates (22), the positioning blocks (23) are arranged through the bottom plate (1), threaded rods (24) are fixedly arranged at the upper ends of the sliding plates (22), the threaded rods (24) are in threaded connection with the upper wall of the threaded cavities (21), and rotating wheels (25) are fixedly arranged at the upper ends of the threaded rods (24).

3. The telescopic device for building construction according to claim 1, wherein the limiting mechanism comprises a connecting rod (26) fixedly arranged between the side wall of the lower end of the telescopic rod (12) and the fixed cavity (13), a sleeve ring (27) is fixedly arranged at the tail end of the connecting rod (26), the sleeve ring (27) is sleeved at the side wall of the lower end of the telescopic rod (12), a clamping block (28) is fixedly arranged on the inner side wall of the sleeve ring (27), a corresponding clamping cavity (29) is arranged on the side wall of the telescopic rod (12), and the clamping block (28) is clamped in the clamping cavity (29).

4. The telescopic device for building construction according to claim 1, wherein the resetting mechanism comprises a connecting block (30) fixedly arranged on the lower wall of the carrying case (18), a pull wire (33) is fixedly connected to the lower end of the connecting block (30), a wire outlet (31) is fixedly arranged on the side wall of the front end of the bottom plate (1), a rotating shaft (32) is rotatably arranged in the wire outlet (31), the pull wire (33) is wound on the rotating shaft (32), and the other end of the pull wire (33) extends out of the wire outlet (31).

5. The telescopic device for building construction as claimed in claim 1, wherein a limit block (20) is fixedly arranged at the upper end side wall of the movable cavity (14), and the limit block (20) and the floating block (19) are correspondingly arranged.

6. The telescopic device for building construction as claimed in claim 2, wherein the rotating wheel (25) and the threaded rod (24) are integrally formed, the side wall of the rotating wheel (25) is uneven, and a rubber anti-skid sleeve is sleeved on the rotating wheel (25).

Background

The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The site of the construction work is called a "construction site" or a "construction site", also called a construction site;

when carrying out the construction operation of eminence during the existing building construction, often adopt the mode of taking the ladder to carry out the construction of eminence, and there is certain potential safety hazard in this mode, and people stand simultaneously when the upper surface, can only be under construction to local position, need frequent removal ladder, still need another workman cooperation, and required instrument and material are transmitted to the mode of handing over with the hand, and the time-wasting just needs more manpower, to this we provide a telescoping device for the building construction.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: when carrying out the construction operation of eminence during the existing building construction, often adopt the mode of taking the ladder to carry out the construction of eminence, and this mode has certain potential safety hazard, and people only can be under construction to local position when standing on the upper surface simultaneously, need frequent removal ladder, still need another workman's cooperation, and required instrument and material are transmitted to the mode of handing over with the hand, and the time-wasting just needs more manpower, and the telescoping device for building construction who provides.

In order to achieve the purpose, the invention adopts the following technical scheme:

a telescopic device for building construction comprises a bottom plate and two moving wheels rotatably arranged at the lower end of the bottom plate, wherein two ends of the bottom plate are respectively provided with a positioning mechanism, the upper wall of the bottom plate is symmetrically and fixedly provided with two fixed rods, the upper ends of the fixed rods are slidably provided with movable rods, the upper ends of the movable rods are fixedly provided with a bearing plate, the lower ends of the movable rods are fixedly provided with a tooth groove plate, the tooth groove plate is arranged in the fixed rods, the side walls of the tooth groove plate are meshed with driven wheels, a connecting rod is fixedly arranged between the two driven wheels, one end of the connecting rod is fixedly provided with a limiting plate, the limiting plate is arranged at the outer side wall of the fixed rod, the other end of the connecting rod is fixedly provided with a first helical gear, the first helical gear is meshed with a second helical gear, one end of the lower wall of the bearing plate is fixedly provided with a motor, and the lower end of the motor is electrically connected with a telescopic rod, the lower end of the telescopic rod is fixedly connected with the second bevel gear, the side wall of the lower end of the telescopic rod is also provided with a limiting mechanism, the bottom plate is also fixedly provided with two fixed cavities, the upper end of each fixed cavity is provided with a movable cavity, the lower end of the movable cavity is arranged in the fixed cavity, the side wall of the upper end of the movable cavity is fixedly provided with a fixed block, the fixed block is provided with a screw in a penetrating manner, the fixed block is fixedly arranged on the lower wall of the bearing plate through the screw, the fixed cavity and the movable cavity are communicated, suspension liquid is arranged in the fixed cavity and the movable cavity, the upper wall of the bearing plate is also provided with two water inlets, the two water inlets are respectively arranged corresponding to the two movable cavities, a carrying box is also arranged between the two fixed cavities, two ends of the carrying box are both fixedly provided with floating blocks, the floating blocks are arranged in the, the through hole and the carrying box are correspondingly arranged, and a reset mechanism is arranged between the lower end of the carrying box and the bottom plate.

The invention further defines the scheme:

preferably, the positioning mechanism comprises a threaded cavity fixedly arranged at two ends of the bottom plate, a sliding plate is arranged in the threaded cavity in a sliding manner, a positioning block is arranged at the lower end of the sliding plate in a rotating manner, the positioning block penetrates through the bottom plate, a threaded rod is fixedly arranged at the upper end of the sliding plate, the threaded rod is connected with the upper wall of the threaded cavity in a threaded manner, and a rotating wheel is fixedly arranged at the upper end of the threaded rod.

Preferably, stop gear is including the fixed connecting rod that sets up between telescopic link lower extreme lateral wall and fixed chamber, the fixed lantern ring that is equipped with in the end of connecting rod, the lower extreme lateral wall department at the telescopic link is established to the lantern ring cover, the fixed fixture block that is equipped with on the inside wall of the lantern ring, be equipped with corresponding card chamber on the lateral wall of telescopic link, the fixture block joint is at the intracavity setting of card.

Preferably, the resetting mechanism comprises a connecting block fixedly arranged on the lower wall of the carrying box, the lower end of the connecting block is fixedly connected with a pull wire, a wire outlet is fixedly arranged on the side wall of the front end of the bottom plate, a rotating shaft is arranged in the wire outlet in a rotating manner, the pull wire is wound on the rotating shaft, and the other end of the pull wire extends out of the wire outlet.

Preferably, the side wall of the upper end of the movable cavity is fixedly provided with a limiting block, and the limiting block and the floating block are arranged correspondingly.

Preferably, the runner and the threaded rod are integrally formed, the side wall of the runner is uneven, and the runner is sleeved with a rubber anti-slip sleeve.

Compared with the prior art, the invention has the beneficial effects that:

1. through the mutual matching of the motor, the gears, the connecting rod and the toothed groove plate, when the motor rotates, the first helical gear and the second helical gear can be driven to rotate, so that the connecting rod and the driven wheel rotate, and the bearing plate can move in the vertical direction under the action of the toothed groove plate, so that the height of the device can be conveniently adjusted to a required position;

2. through the mutual matching of the suspension, the carrying box and the floating block, when a worker carries out construction operation on the bearing plate and if materials on the ground are required to be transported to the bearing plate, the materials are placed in the carrying box, the stay wire is loosened, so that the floating block moves upwards under the action of the suspension and the carrying box is driven to move upwards, and the materials can be transported to the bearing plate in a time-saving and labor-saving manner;

3. through the arrangement of the positioning mechanism, when the device moves to a required position, the threaded rod and the threaded cavity are matched with each other by rotating the rotating wheel, so that the positioning block can be driven to move downwards when the rotating wheel rotates until the positioning block abuts against the ground, the moving wheel is effectively prevented from continuing to rotate, the device is effectively positioned and fixed, and the construction safety is ensured;

4. through the arrangement of the limiting mechanism, when the telescopic rod rotates, the lower end of the telescopic rod is always in a horizontal position under the combined action of the sleeve ring, the clamping block and the clamping cavity, and the upper end of the telescopic rod moves upwards, so that the telescopic action of the telescopic rod is realized, and the separation phenomenon of the first helical gear and the second helical gear is also prevented;

5. through the setting of canceling release mechanical system for when carrying the thing case and removing loading board department under the effect of kickoff, can act as go-between through the pulling, make carry the thing case get back to the bottom plate under the effect of acting as go-between on, conveniently carry out next material transport.

Drawings

Fig. 1 is a schematic structural view of a telescopic device for building construction according to the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram at B in fig. 1.

In the figure: the device comprises a base plate 1, a moving wheel 2, a fixed rod 3, a movable rod 4, a bearing plate 5, a fluted plate 6, a driven wheel 7, a connecting rod 8, a first bevel gear 9, a second bevel gear 10, a motor 11, a telescopic rod 12, a fixed cavity 13, a movable cavity 14, a fixed block 15, a screw 16, a suspension 17, a loading box 18, a floating block 19, a limited block 20, a threaded cavity 21, a sliding plate 22, a positioning block 23, a threaded rod 24, a rotating wheel 25, a connecting rod 26, a lantern ring 27, a clamping block 28, a clamping cavity 29, a connecting block 30, a wire outlet 31, a rotating shaft 32 and a wire pull 33.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a telescopic device for building construction comprises a bottom plate 1 and two movable wheels 2 rotatably arranged at the lower end of the bottom plate 1, wherein two ends of the bottom plate 1 are respectively provided with a positioning mechanism, the positioning mechanism comprises a threaded cavity 21 fixedly arranged at two ends of the bottom plate 1, a sliding plate 22 is slidably arranged in the threaded cavity 21, a positioning block 23 is rotatably arranged at the lower end of the sliding plate 22, the positioning block 23 is arranged by penetrating through the bottom plate 1, the upper end of the sliding plate 22 is fixedly provided with a threaded rod 24, the threaded rod 24 is in threaded connection with the upper wall of the threaded cavity 21, the upper end of the threaded rod 24 is fixedly provided with a rotating wheel 25, the rotating wheel 25 and the threaded rod 24 are integrally formed, the side wall of the rotating wheel 25 is uneven, the rotating wheel 25 is sleeved with a rubber anti-skid sleeve to prevent the rotating wheel 25 from being separated from the threaded rod 24 when, when the device removes required position, can be through rotating runner 25 for mutually supporting of threaded rod 24 and screw cavity 21, can drive locating piece 23 downstream when making runner 25 rotate, until offseting with ground, the effectual removal wheel 2 that prevents continues to rotate, makes the device obtain effectual location fixed, has guaranteed the safety of construction.

The upper wall of the bottom plate 1 is symmetrically and fixedly provided with two fixed rods 3, the upper ends of the fixed rods 3 are slidably provided with movable rods 4, the upper ends of the movable rods 4 are fixedly provided with bearing plates 5, the lower ends of the movable rods 4 are fixedly provided with tooth groove plates 6, the tooth groove plates 6 are arranged in the fixed rods 3, driven wheels 7 are meshed on the side walls of the tooth groove plates 6, connecting rods 8 are fixedly arranged between the two driven wheels 7, one ends of the connecting rods 8 are fixedly provided with limiting plates, the limiting plates are arranged on the outer side walls of the fixed rods 3, the other ends of the connecting rods 8 are fixedly provided with first helical gears 9, the first helical gears 9 are meshed with second helical gears 10, one ends of the lower walls of the bearing plates 5 are fixedly provided with motors 11, and through the mutual matching of the motors 11, a plurality of gears, the connecting rods 8 and the tooth groove plates 6, when the motors 11 rotate, the first helical gears 9 and the second helical gears 10 can be driven, so that the connecting rods 8 and the driven wheels 7 rotate, under the action of the toothed socket plate 6, the bearing plate 5 can move in the vertical direction, so as to adjust the height of the device to a required position, the lower end of the motor 11 is electrically connected with a telescopic rod 12, the lower end of the telescopic rod 12 is fixedly connected with the second helical gear 10, the side wall of the lower end of the telescopic rod 12 is also provided with a limiting mechanism, the limiting mechanism comprises a connecting rod 26 fixedly arranged between the side wall of the lower end of the telescopic rod 12 and the fixed cavity 13, the tail end of the connecting rod 26 is fixedly provided with a lantern ring 27, the lantern ring 27 is sleeved at the side wall of the lower end of the telescopic rod 12, the inner side wall of the lantern ring 27 is fixedly provided with a clamping block 28, the side wall of the telescopic rod 12 is provided with a corresponding clamping cavity 29, the clamping block 28 is clamped in the clamping cavity 29, and by the limiting mechanism, when the telescopic rod 12 rotates, the lower end of the telescopic rod is under the combined action of the lantern ring 27, the clamping block 28 and the clamping cavity 29, the lower end of the telescopic rod 12 is always in a horizontal position, the upper end of the telescopic rod 12 moves upwards, so that the telescopic action of the telescopic rod 12 is realized, and the separation phenomenon of the first bevel gear 9 and the second bevel gear 10 is also prevented.

Two fixed cavities 13 are fixedly arranged on the bottom plate 1, a movable cavity 14 is arranged at the upper end of each fixed cavity 13, the lower end of each movable cavity 14 is arranged in the corresponding fixed cavity 13, a fixed block 15 is fixedly arranged on the side wall of the upper end of each movable cavity 14, a screw 16 is arranged on each fixed block 15 in a penetrating manner, each fixed block 15 is fixedly arranged on the lower wall of the bearing plate 5 through the screw 16, the fixed cavities 13 and the movable cavities 14 are arranged in a communicating manner, suspension liquid 17 is arranged in the fixed cavities 13 and the movable cavities 14, two water inlets are further arranged on the upper wall of the bearing plate 5 and respectively correspond to the two movable cavities 14, a limit block 20 is fixedly arranged on the side wall of the upper end of each movable cavity 14, the limit blocks 20 and the floating blocks 19 are correspondingly arranged, the floating position of the floating blocks 19 is effectively limited, a carrying box 18 is further arranged between the two fixed cavities 13, floating blocks 19 are fixedly arranged at the two ends of the carrying box 18, and the floating blocks 19 are arranged in the fixed cavities 13 in a suspending manner, through the mutual cooperation of the suspension liquid 17, the carrying box 18 and the floating block 19, when a worker carries out construction operation on the bearing plate 5 and if materials on the ground are required to be transported to the bearing plate 5, the materials are only required to be placed in the carrying box 18, the pull wire 33 is loosened, so that the floating block 19 moves upwards under the action of the floating force and simultaneously drives the carrying box 18 to move upwards, thereby the materials can be transported to the bearing plate 5 in a time-saving and labor-saving manner, the bearing plate 5 is provided with a through hole which is correspondingly arranged with the carrying box 18, a reset mechanism is arranged between the lower end of the carrying box 18 and the bottom plate 1 and comprises a connecting block 30 fixedly arranged on the lower wall of the carrying box 18, the lower end of the connecting block 30 is fixedly connected with the pull wire 33, the side wall of the front end of the bottom plate 1 is fixedly provided with a wire outlet 31, a rotating shaft 32 is rotatably arranged in the wire outlet 31, and the wire 33 is wound on the rotating shaft 32, and the other end of the stay wire 33 extends out of the outlet 31, and through the arrangement of the reset mechanism, when the carrying box 18 moves to the bearing plate 5 under the action of the floating block 19, the carrying box 18 can return to the bottom plate 1 under the action of the stay wire 33 by pulling the stay wire 33, so that the next material transportation is convenient.

In the invention, during building construction, the device is moved to a required position, the threaded rod 24 and the threaded cavity 21 are matched with each other by rotating the rotating wheel 25, so that the positioning block 23 can be driven to move downwards by rotating the rotating wheel 25 until the rotating wheel abuts against the ground, the moving wheel 2 is effectively prevented from continuing to rotate, the device is effectively positioned and fixed, then the motor 11 is driven to rotate to drive the first helical gear 9 and the second helical gear 10 to rotate, so that the connecting rod 8 and the driven wheel 7 rotate, the bearing plate 5 can move in the vertical direction under the action of the toothed socket plate 6, the height of the device can be conveniently adjusted to the required position, then a worker can climb onto the bearing plate 5 to carry out construction, when the worker carries out construction operation on the bearing plate 5, if materials on the ground are required to be transported onto the bearing plate 5, the materials are only required to be placed in the bearing box 18, loosen 33 that acts as go-between for floating block 19 upwards removes under the effect of buoyancy, drives simultaneously and carries thing case 18 rebound, thereby can labour saving and time saving transport the material to on the loading board 5, later can be through pulling 33 acts as go-between, make carry thing case 18 get back to on the bottom plate 1 under the effect of 33's power, conveniently carry out the material transportation next time.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.