1. A multifunctional support for bridge construction comprises a base (1) and four limiting plates (2) fixedly arranged at two ends of the base (1), wherein every two of the four limiting plates (2) are arranged at two ends of the base (1), a balancing weight (3) is placed between every two limiting plates (2), a pressing mechanism is further arranged between each limiting plate (2) and the corresponding balancing weight (3), the multifunctional support is characterized in that a hydraulic telescopic rod (4) is fixedly arranged on the base (1), a movable rod (5) is arranged at the upper end of the hydraulic telescopic rod (4) in a telescopic mode, a base plate (6) is arranged in the movable rod (5), a rotating shaft (7) is rotatably arranged at one end of the base plate (6), matched sliding grooves (8) are formed in the side walls of the movable rod (5), the rotating shaft (7) is arranged in the sliding grooves (8) in a sliding mode, a motor (9) is fixedly arranged on the lower wall of the base plate (6), the fixed threaded rod (11) that is equipped with of upper wall of base plate (6), threaded rod (11) and motor (9) are connected and are set up, one side of threaded rod (11) is equipped with expansion plate (12), expansion plate (12) are also fixed to be set up on base plate (6), the flexible position of expansion plate (12) is all fixed and is equipped with threaded sleeve (13), threaded sleeve (13) is all established on threaded rod (11) at the screw sleeve, it is equipped with bearing block (10) still to fix on the upper end one side lateral wall of movable rod (5).

2. The multifunctional support for the bridge building according to claim 1, wherein the pressing mechanism comprises a sliding cavity (15) arranged in the limiting plate (2), a sliding block (16) is arranged in the sliding cavity (15) in a sliding manner, a spring (17) is fixedly arranged between the sliding block (16) and the bottom wall of the sliding cavity (15), a pressing block (18) is fixedly arranged on the side wall of the sliding block (16), and the pressing block (18) is arranged on the counterweight block (3) in a pressing manner.

3. The multifunctional support for bridge construction according to claim 1, wherein a motor box is fixedly arranged on the side wall of the base plate (6), and the motor (9) is arranged in the motor box.

4. The multifunctional support for bridge construction according to claim 1, wherein a limit block (14) is fixedly arranged at one end of the threaded rod (11) far away from the movable rod (5), and the cross-sectional area of the limit block (14) is larger than that of the threaded sleeve (13).

5. The multifunctional support for bridge construction according to claim 1, wherein the bearing block (10) and the movable rod (5) are integrally formed, and a smooth layer is fixedly arranged on the side wall of the bearing block (10).

6. The multifunctional support for bridge construction according to claim 1, wherein a fixture block (19) is fixedly arranged at one end of the base plate (6) far away from the rotating shaft (7), a corresponding limiting block (20) is fixedly arranged on the inner wall of the movable rod (5), and the fixture block (19) and the limiting block (20) are arranged correspondingly to each other.

Background

The bridge building is an artificial structure for crossing rivers and caves and providing people and vehicles for running, the development of the bridge building is closely related to the civilized progress of human beings, and early bridges all use natural materials, are simple, have extremely weak crossing capability and are not durable. Thereafter, the invention of the brick starts the history of artificial material application, the invention aspect of the surface iron provides possibility for mining stone and protecting the stone, and the iron is used for the bridge to cause great progress of the bridge technology;

the existing process of building construction to the bridge often is very convenient to the construction of bridge floor, but often need the workman to fall the risk to build numerous and diverse ladder climbing to the bottom surface of bridge and carry out the construction to the construction of bridge bottom surface, and the process is loaded down with trivial details while, is difficult to guarantee workman's safety, and building material's the process of transporting also is very difficult simultaneously, to this we provide a multifunctional support for bridge building.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: the existing process of building construction to the bridge is often very convenient to the construction of bridge floor, but often need the workman to fall the risk and build numerous and diverse ladder climbing to the bottom surface of bridge and be under construction to the construction of bridge bottom surface, and the process is loaded down with trivial details while, is difficult to ensure workman's safety, and building material's the process of transporting is also very difficult simultaneously, and the multi-functional support for bridge building who provides.

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

a multifunctional support for bridge construction comprises a base and four limiting plates fixedly arranged at two ends of the base, wherein every two of the four limiting plates are arranged at two ends of the base, balancing weights are placed between every two limiting plates, a pressing mechanism is further arranged between the limiting plates and the balancing weights, a hydraulic telescopic rod is fixedly arranged on the base, a movable rod is telescopically arranged at the upper end of the hydraulic telescopic rod, a base plate is movably arranged in the movable rod, a rotating shaft is rotatably arranged at one end of the base plate, matched sliding grooves are formed in the side walls of the movable rod, the rotating shaft is slidably arranged in the sliding grooves, a motor is fixedly arranged on the lower wall of the base plate, a threaded rod is fixedly arranged on the upper wall of the base plate and is connected with the motor, a telescopic plate is arranged on one side of the threaded rod and is also fixedly arranged on the base plate, and a threaded sleeve is fixedly arranged at the telescopic part of the telescopic plate, the equal thread bush of screw sleeve establishes on the threaded rod, still fixed bearing block that is equipped with on the upper end one side lateral wall of movable rod.

The invention further defines the scheme:

preferably, the pressing mechanism includes a sliding cavity arranged in the limiting plate, a sliding block is arranged in the sliding cavity in a sliding mode, a spring is fixedly arranged between the sliding block and the bottom wall of the sliding cavity, a pressing block is fixedly arranged on the side wall of the sliding block, and the pressing block is pressed on the balancing weight.

Preferably, a motor box is fixedly arranged on the side wall of the substrate, and the motor is arranged in the motor box.

Preferably, one end of the threaded rod, which is far away from the movable rod, is fixedly provided with a limiting block, and the cross-sectional area of the limiting block is larger than that of the threaded sleeve.

Preferably, the bearing block and the movable rod are arranged in an integrated manner, and a smooth layer is fixedly arranged on the side wall of the bearing block.

Preferably, a clamping block is fixedly arranged at one end, away from the rotating shaft, of the substrate, a corresponding limiting block is fixedly arranged on the inner wall of the movable rod, and the clamping block and the limiting block are arranged correspondingly to each other.

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

1. through the mutual matching of the motor, the threaded rod, the expansion plate and the threaded sleeve, when a worker needs to construct the bottom surface of the bridge, the worker only needs to open the motor to rotate the threaded rod, move the threaded sleeve on the threaded rod along with the threaded sleeve and open the expansion plate until the threaded sleeve extends to a required construction position, and then stands on the expansion plate to construct the bottom surface of the bridge, so that the process is simple and convenient, the safety of the worker is guaranteed, and the carrying process of construction materials is facilitated;

2. through the arrangement of the pressing mechanism, after a proper amount of balancing weight is added, the pressing block can be tightly pressed on the balancing weight through the action of the spring, so that the balancing weight can be well fixed on the base, the safety problem that the device is inclined when a person stands on the expansion plate is prevented, and the safety of the device is guaranteed;

3. through mutually supporting of pivot and spout for when the device is packed up and is not used or carry out the device and remove, can rotate the motor to vertical direction, later slide in the spout through the pivot, make the base plate together with the motor in the income movable rod, reduced the space size that the device occupy, the removal of the device of being convenient for has also increased its life.

Drawings

FIG. 1 is a schematic structural view of a multifunctional support for bridge construction provided by the invention when being folded;

FIG. 2 is a schematic structural view of a multifunctional support for bridge construction according to the present invention;

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

In the figure: the device comprises a base 1, a limiting plate 2, a balancing weight 3, a hydraulic telescopic rod 4, a movable rod 5, a base plate 6, a rotating shaft 7, a sliding groove 8, a motor 9, a bearing block 10, a threaded rod 11, a telescopic plate 12, a threaded sleeve 13, a limiting block 14, a sliding cavity 15, a sliding block 16, a spring 17, a pressing block 18, a clamping block 19 and a limiting block 20.

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 multifunctional support for bridge construction comprises a base 1 and four limiting plates 2 fixedly arranged at two ends of the base 1, wherein every two of the four limiting plates 2 are arranged at two ends of the base 1, a balancing weight 3 is arranged between every two limiting plates 2, a pressing mechanism is also arranged between the limiting plates 2 and the balancing weight 3, the pressing mechanism comprises a sliding cavity 15 arranged in the limiting plates 2, a sliding block 16 is arranged in the sliding cavity 15 in a sliding manner, a spring 17 is fixedly arranged between the sliding block 16 and the bottom wall of the sliding cavity 15, a pressing block 18 is fixedly arranged on the side wall of the sliding block 16, the pressing block 18 is arranged on the balancing weight 3 in a pressing manner, after a proper amount of the balancing weight 3 is added, the pressing block 18 is tightly pressed on the balancing weight 3 under the action of the spring 17, so that the balancing weight can be well fixed on the base 1, and when a person is prevented from standing on a telescopic plate 12, the safety problem that the device inclines occurs, the safety of the device is guaranteed, a hydraulic telescopic rod 4 is fixedly arranged on a base 1, a movable rod 5 is arranged at the upper end of the hydraulic telescopic rod 4 in a telescopic mode, a base plate 6 is arranged in the movable rod 5 in a movable mode, a clamping block 19 is fixedly arranged at one end, far away from a rotating shaft 7, of the base plate 6, a corresponding limiting block 20 is fixedly arranged on the inner wall of the movable rod 5, the clamping block 19 and the limiting block 20 are arranged correspondingly to effectively limit the rotating angle of the base plate 6, the motor 9 is prevented from inclining in the movable rod 5 to cause the clamping, a rotating shaft 7 is rotatably arranged at one end of the base plate 6, a matched sliding groove 8 is formed in the side wall of the movable rod 5, the rotating shaft 7 is slidably arranged in the sliding groove 8, and the motor 9 can be rotated to the vertical direction when the device is folded and not used or the device is moved through the mutual matching of the rotating shaft 7 and the sliding groove 8, then the base plate 6 and the motor 9 are taken in the movable rod 5 together through the sliding of the rotating shaft 7 in the chute 8, so that the space occupied by the device is reduced, the movement of the device is convenient, and the service life of the device is prolonged, the motor 9 is fixedly arranged on the lower wall of the base plate 6, the motor box is fixedly arranged on the side wall of the base plate 6, the motor 9 is arranged in the motor box, the situation that the motor 9 is exposed to the outside to cause water inflow or overheating due to direct sunlight is prevented, the normal use of the motor 9 is ensured, the service life of the motor is prolonged, the upper wall of the base plate 6 is fixedly provided with a threaded rod 11, the threaded rod 11 is connected with the motor 9, one side of the threaded rod 11 is provided with a telescopic plate 12, the telescopic plate 12 is also fixedly arranged on the base plate 6, telescopic parts of the telescopic plate 12 are fixedly provided with threaded sleeves 13, the threaded sleeves 13 are all threadedly sleeved on the threaded rod 11, one end of the threaded rod 11 far away from the movable rod 5 is fixedly provided with a limit block 14, the cross-sectional area of the limiting block 14 is larger than that of the threaded sleeve 13, the threaded sleeve 13 is prevented from excessively moving away from the threaded rod 11 when moving, safety accidents are prevented, the bearing block 10 is fixedly arranged on the outer side wall of one side of the upper end of the movable rod 5, the bearing block 10 and the movable rod 5 are integrally formed, and a smooth layer is fixedly arranged on the side wall of the bearing block 10, so that the bearing block 10 and the movable rod 5 cannot be separated, the expansion plate 12 is kept horizontal all the time when in use and can well support workers, and when workers need to construct the bottom surface of a bridge, only the motor 9 needs to be opened, the threaded rod 11 is enabled to rotate, the threaded sleeve 13 moves on the threaded rod 11 along with the threaded sleeve, and the expansion plate 12 is opened until the expansion plate 12 extends to a required construction position, then, a worker stands on the expansion plate 12 to construct the bottom surface of the bridge, the process is simple, the safety of the worker is guaranteed, and the carrying process of construction materials is facilitated.

When the device is used, a press block 18 is jacked up by a hydraulic press, then a proper amount of balancing weight 3 is placed between limiting plates 2, the press block 18 is tightly pressed on the balancing weight 3 under the action of a spring 17, so that the balancing weight can be well fixed on a base 1, then a base plate 6 slides out of a movable rod 5, when the base plate 6 slides to the top end of the movable rod 5, the base plate 6 is rotated, a threaded rod 11 and a telescopic plate 12 are in a horizontal position, a motor 9 is started, the threaded rod 11 is rotated, a threaded sleeve 13 moves on the threaded rod 11 along with the threaded rod, the telescopic plate 12 is opened until the threaded rod extends to a required construction position, and then a worker stands on the telescopic plate 12 to construct the bottom surface of a bridge.

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.