1. A construction safety lifting device comprises a base (1) arranged on a lifting mechanism (5), and is characterized in that a guardrail mechanism (4) is arranged on the edge of the upper part of the base (1); the upper part of the base (1) is provided with a pressure sensing mechanism (2), and the pressure sensing mechanism (2) consists of a pressure receiving plate (201), a pressure difference sensing control unit (202) and a pressure sensor (203); the pressure receiving plates (201) are respectively arranged at two ends of the base (1), the bottom of each pressure receiving plate (201) is provided with a pressure sensor (203), and the pressure sensors (203) at the two ends are connected with a differential pressure sensing control unit (202); a counterweight groove (102) is formed below the base (1), and a counterweight mechanism (3) is arranged in the counterweight groove (102); the counterweight mechanism (3) comprises electromagnet devices (301) arranged at two ends below the base (1), and a sliding rod (302) is arranged between the electromagnet devices (301); the center of the sliding rod (302) is provided with a balancing weight (303) which can be attracted by the electromagnet devices and can slide back and forth between the two electromagnet devices (301), and the balancing weight (303) is provided with a through hole (306) for penetrating through the sliding rod (302).

2. A construction safety hoist device according to claim 1, characterized in that the guard rail mechanism (4) comprises a movable guard rail (402) provided on the longer side of the base (1) and fixed guard rails (401) provided on both ends; the base (1) is provided with a hinged seat (105) which is used for enabling the movable guardrail (402) to rotate outwards and is arranged below the movable guardrail (402); and a guardrail lock catch (406) used for controlling the movable guardrail (402) to open, close and turn over is arranged between the fixed guardrail (401) and the movable guardrail (402).

3. The lifting device for construction safety according to claim 2, wherein a movable door (403) capable of being opened and closed is arranged in the middle of the movable guardrail (402), and a door body lock catch (405) for controlling the movable door (403) to be opened and closed is arranged between the movable door (403) and the movable guardrail (402).

4. A construction safety lifting device according to claim 2, wherein the upward side of the movable guardrail (402) after rotating and spreading is provided with a roller (404) for rapidly transferring the materials on the base (1).

5. The construction safety lifting equipment as claimed in claim 1, wherein a unloading groove (103) is formed in the upper part of the base (1), and an unloading grid plate (104) is arranged in the unloading groove (103); the side edge of the unloading grid plate (104) is not connected with the unloading groove (103), one end of the unloading grid plate can be lifted, and the other end of the unloading grid plate props against the bottom corner of the unloading groove (103) to turn.

6. A construction safety lifting device according to claim 5, wherein the unloading grid (104) is provided with a lifting handle (106) for facilitating lifting, lifting and turning.

7. A construction safety lifting device according to claim 1, wherein a positioning block (305) is arranged at the center of the lower part of the base (1), and a tension spring (304) for providing continuous resilience force for resetting when the counterweight (303) deflects is arranged between the positioning block (305) and the counterweight (303).

8. A construction safety hoist device according to claim 1, characterized in that the hoist mechanism (5) is a rail motor drive or a hydraulic cylinder drive.

9. A construction safety lifting device according to claim 1, wherein the lifting mechanism (5) is a lifting device, and the fixed guard rail (401) is provided with a lifting hole (407) for installing the lifting device.

10. A construction safety lifting device according to claim 1, characterized in that the four corners of the bottom of the base (1) are provided with support legs (101) for supporting and protecting.

Background

With the continuous development of national economy of China, high-rise buildings are gradually increased, and the number of construction elevators for building the high-rise buildings is increased rapidly. The construction elevator is a manned cargo-carrying construction machine frequently used in buildings, and is mainly used for the interior and exterior decoration of high-rise buildings, the construction of buildings such as bridges, chimneys and the like; the elevator should be defined as: lifting mechanical equipment or devices for carrying platforms or semi-enclosed platforms for lifting people or goods on the vertical upper and lower channels. Safety problems frequently appear in the construction of building at present, must combine with the construction elevator at the construction process at building main body engineering, and the construction elevator is that the guide rail frame of construction elevator is connected fixedly through support and major structure at the building, and the construction elevator is used for perpendicular transportation in the building construction, is the people and goods dual-purpose elevator of carrier personnel and material.

Elevators commonly used at construction sites tend to have more versatility and safety requirements than normal lifting equipment. Firstly, as the construction lifting equipment needs to frequently lift up and down and carry more heavy materials, the weight balance distribution can not be realized in each loading and lifting process, once the condition of excessive weight deviation and out-of-control balance in the lifting process occurs, the lifting driving equipment is seriously abraded slightly, and the safety accident is generated seriously, so that the life and property loss is caused; secondly, because will compromise security performance and construction material fast transfer demand, installing additional of guardrail just need do more design considerations, can make things convenient for material and personnel to pass in and out, also can guarantee its lift process's protection safety.

Disclosure of Invention

The invention aims to solve the problems, and provides construction safety lifting equipment which can realize automatic counterweight balance of the whole equipment in the lifting process of a construction site, is additionally provided with a guardrail to improve the safety performance, is convenient for rapid material transfer and loading and unloading, and greatly meets the special construction lifting requirement.

In order to realize the purpose, the invention adopts the technical scheme that: a construction safety lifting device comprises a base arranged on a lifting mechanism, wherein a guardrail mechanism is arranged on the edge of the upper part of the base; the upper part of the base is provided with a pressure sensing mechanism, and the pressure sensing mechanism consists of a pressure receiving plate, a differential pressure sensing control unit and a pressure sensor; the pressure receiving plates are respectively arranged at two ends of the base, the bottom of each pressure receiving plate is provided with a pressure sensor, and the pressure sensors at the two ends are connected with a differential pressure sensing control unit; a counterweight groove is formed below the base, and a counterweight mechanism is arranged in the counterweight groove; the counterweight mechanism comprises electromagnet devices arranged at two ends below the base, and a sliding rod is arranged between the electromagnet devices; the center of the slide bar is provided with a balancing weight which can slide back and forth between the two electromagnet devices, and the balancing weight is provided with a through hole for penetrating through the slide bar.

Further, the guardrail mechanism comprises a movable guardrail arranged on the longer side of the side edge of the base and fixed guardrails arranged at two ends of the movable guardrail; the base is provided with a hinge seat which is used for enabling the movable guardrail to rotate outwards below the movable guardrail; and a guardrail lock catch used for controlling the movable guardrail to open, close and turn over is arranged between the fixed guardrail and the movable guardrail.

Furthermore, a movable door capable of being opened and closed is arranged in the middle of the movable guardrail, and a door body lock catch used for controlling the opening and closing of the movable door is arranged between the movable door and the movable guardrail.

Furthermore, the movable guardrail rotates the cylinder that is used for transporting away the material on the base fast that one side up after the expansion.

Furthermore, the upper part of the base is provided with a discharge groove, and a discharge grid plate is arranged in the discharge groove; the side edge of the discharging grid plate is not connected with the discharging groove, one end of the discharging grid plate can be lifted, and the other end of the discharging grid plate props against the bottom corner of the discharging groove to turn.

Furthermore, a lifting handle convenient for lifting, lifting and overturning is arranged on the discharge grid plate.

Furthermore, a positioning block is arranged at the center of the lower part of the base, and a tension spring used for providing continuous resilience force to reset when the balancing weight deviates is arranged between the positioning block and the balancing weight.

Further, the lifting mechanism is a guide rail motor driving device or a hydraulic cylinder driving device.

Furthermore, the lifting mechanism is hoisting equipment, and hoisting holes for installing the hoisting equipment are formed in the fixed guardrails.

Furthermore, four corners of the bottom of the base are provided with support legs for supporting and protecting.

Further, the balancing weight is a magnetic-attracting metal block.

The invention has the beneficial effects that:

1. the device disclosed by the invention is provided with the pressure sensing mechanism and the counterweight mechanism which are in linkage control, so that the integral equipment can be automatically counterbalanced in the lifting process of a construction site, the safety performance in the lifting process is improved under the condition of not reducing the construction operation efficiency, meanwhile, the safety performance is improved by additionally arranging the guardrail, the rapid material transferring and loading and unloading can be facilitated, and the special construction lifting requirement is greatly met.

2. The fixed guardrail and the movable guardrail are arranged in the guardrail mechanism, safety performance and the requirement for rapid transportation of construction materials are both considered, constructors can enter and exit through the movable door, material and goods can open the guardrail lock catch, the movable guardrail is in turn overlapped on the ground at the side edge, materials and the personnel can enter and exit conveniently, and the protection safety of the lifting process can be ensured.

3. The discharging grid plate is arranged in the device, so that when more materials exist, the far lifting handle and the traction rope can be fixed through the external roller lifting equipment, and then the discharging grid plate on one side is lifted, so that the materials automatically slide out, and the materials in a construction site can be transferred more conveniently and efficiently.

4. The arrangement of the tension spring in the device can realize that the counterweight block is not attracted by the electromagnet device any more after the weight on the lifting equipment is emptied each time, so that the counterweight block is reset, and the whole equipment is restored to a state of balance at two ends.

Drawings

Fig. 1 is a schematic perspective view of the device of the present invention.

Fig. 2 is a schematic perspective view of the device of the present invention from a lower perspective.

FIG. 3 is a schematic front view of the apparatus of the present invention.

Fig. 4 is a schematic cross-sectional view a-a of fig. 3.

Fig. 5 is a schematic perspective view of the lifting mechanism 5 of the device of the present invention, which is a rail motor.

Fig. 6 is a schematic perspective view of the lifting mechanism 5 of the device of the present invention as a hoisting device.

Fig. 7 is a schematic perspective view of the lifting mechanism 5 of the device of the present invention, which is a hydraulic cylinder.

In the figure: 1. a base; 2. a pressure sensing mechanism; 3. a counterweight mechanism; 4. a guardrail mechanism; 5. a lifting mechanism; 101. a support leg; 102. a counterweight groove; 103. unloading the trough; 104. unloading the grid plate; 105. a hinged seat; 106. lifting the handle; 201. a pressure receiving plate; 202. a differential pressure sensing control unit; 203. a pressure sensor; 301. an electromagnet device; 302. a slide bar; 303. a balancing weight; 304. a tension spring; 305. positioning blocks; 306. a through hole; 401. fixing the guard bar; 402. a movable guardrail; 403. a movable door; 404. a drum; 405. locking the door body; 406. locking the guard bar; 407. and (6) hoisting holes.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1 to 4, the specific structure of the present invention is: a construction safety lifting device comprises a base 1 arranged on a lifting mechanism 5, wherein a guardrail mechanism 4 is arranged at the edge of the upper part of the base 1; the upper part of the base 1 is provided with a pressure sensing mechanism 2, and the pressure sensing mechanism 2 consists of a pressure receiving plate 201, a differential pressure sensing control unit 202 and a pressure sensor 203; the pressure receiving plates 201 are respectively arranged at two ends of the base 1, the bottom of each pressure receiving plate 201 is provided with a pressure sensor 203, and the pressure sensors 203 at the two ends are connected with a differential pressure sensing control unit 202; a counterweight groove 102 is formed below the base 1, and a counterweight mechanism 3 is arranged in the counterweight groove 102; the counterweight mechanism 3 comprises electromagnet devices 301 arranged at two ends below the base 1, and a sliding rod 302 is arranged between the electromagnet devices 301; the center of the sliding rod 302 is provided with a balancing weight 303 capable of sliding back and forth between the two electromagnet devices 301, and the balancing weight 303 is provided with a through hole 306 for penetrating through the sliding rod 302.

In order to further realize the rapid transportation of construction materials on the lifting equipment, the guardrail mechanism 4 comprises a movable guardrail 402 arranged on the longer side of the side edge of the base 1 and fixed guardrails 401 arranged at two ends; the base 1 is provided with a hinged seat 105 below the movable guardrail 402 for enabling the movable guardrail 402 to rotate outwards; a guardrail lock 406 for controlling the movable guardrail 402 to open and close and turn is arranged between the fixed guardrail 401 and the movable guardrail 402.

In order to realize that the movable guardrail 402 can be entirely overturned for material transfer or only for passing through personnel, a movable door 403 capable of being opened and closed is arranged in the middle of the movable guardrail 402, and a door body lock catch 405 for controlling the opening and closing of the movable door 403 is arranged between the movable door 403 and the movable guardrail 402.

In order to further help the heavy construction materials such as plates or bagged materials to be quickly moved out of the lifting device, the upward side of the movable guardrail 402 after being rotated and unfolded is provided with a roller 404 for quickly transferring out the materials on the base 1.

In order to rapidly dump all materials on the lifting equipment on the ground on one side of the lifting equipment at one time, the upper part of the base 1 is provided with a discharge groove 103, and a discharge grid plate 104 is arranged in the discharge groove 103; the side edge of the unloading grid plate 104 is not connected with the unloading groove 103, and one end of the unloading grid plate can be lifted, and the other end of the unloading grid plate props against the bottom corner of the unloading groove 103 to turn.

Preferably, in order to more efficiently realize the lifting and overturning of the discharge grid 104, a lifting handle 106 for facilitating lifting, lifting and overturning is arranged on the discharge grid 104.

In order to realize automatic reset of the counterweight block 303, a positioning block 305 is arranged at the center of the lower part of the base 1, and a tension spring 304 for providing continuous resilience force to reset when the counterweight block 303 deviates is arranged between the positioning block 305 and the counterweight block 303.

As shown in fig. 5 and 7, the lifting mechanism 5 is a rail motor driving device or a hydraulic cylinder driving device.

As shown in fig. 6, the lifting mechanism 5 is a hoisting device, and the fixed guardrail 401 is provided with a hoisting hole 407 for installing the hoisting device.

Preferably, the four corners of the bottom of the base 1 are provided with support legs 101 for supporting and protecting.

When the device works, the lifting mechanism drives the base to lift, and in the lifting process, the problem that the safety of the whole lifting equipment is affected due to the fact that one end of the base is too heavy because materials are unevenly placed is solved; when the pressure receiving plate is stressed by the weight of the material and the pressure sensor detects the pressure difference value between the two sides calculated by the pressure difference sensing control unit, the electromagnet at one side of the end with smaller pressure is controlled to start to be electrified to work, so that the balancing weight is attracted to move along the sliding rod in the direction of the end with smaller pressure, and the gravity center of the whole lifting equipment is adjusted to enable the gravity center to reach the state of balancing the two sides as far as possible; when the movable guardrail is lifted to a specified height, material goods or personnel on the base need to be transferred to the side ground, the personnel can enter and exit through the movable door, the material goods can open the guardrail lock catch, so that the movable guardrail is turned over and lapped on the side ground, and the goods on the base can be quickly transferred through the roller; when the material is more, can also be through plus gyro wheel lifting device, it is fixed with the haulage rope to lift by crane the handle more far away, then lifts by crane the discharge grid tray of one side for the automatic landing of material comes out, lets the material of construction site transport more convenient high-efficient.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.