CN211114715U - A lift auxiliary device for road bridge construction - Google Patents

Abstract

The utility model provides a lifting auxiliary device for road and bridge construction. The device includes two parts for lifting construction personnel and materials. The main technical scheme of the device is to include a base plate, and four universal wheels are installed on the lower surface of the base plate. The upper surface of the bottom plate is installed with four uprights, the outer surface of each of the uprights is sleeved with a first sleeve that can move up and down, and the inner surface of the four first sleeves is fixedly connected with a first sleeve. A carrying plate, a first drive assembly is fixedly connected to the outer surfaces of each of the two first sleeves on one side, and the first carrying plate is driven up and down by the first sleeve through the first drive assembly. move. The utility model solves the problems that the existing supporting or lifting equipment is not conducive to material transportation, the construction efficiency of construction personnel is low, and the vibration is large.

Description

A lifting auxiliary device for road and bridge construction

technical field

The utility model belongs to the technical field of road and bridge construction, in particular to a lifting auxiliary device for road and bridge construction.

Background technique

When constructing roads and bridges, construction workers often need to build some support plates or support frames on the construction site to facilitate construction at heights. However, this kind of temporary support plate or support frame lacks protective fences and the structure is unstable and prone to collapse, which makes the construction personnel fall unexpectedly during the construction operation, which greatly reduces the personal injury of the construction personnel during the construction process. At the same time, this kind of temporary support plate or support frame is not conducive to the transportation of construction materials by the construction personnel, which greatly affects the operation progress of the construction personnel and reduces the construction efficiency of the construction personnel. In addition, the lifting equipment widely used in construction generally adopts the structure mode of one-way rack, pinion, and pulley. The structure of the bar and gear also has the disadvantages of greater wear and more power loss due to structural defects. Therefore, it is very necessary to design a new type of lifting auxiliary device to solve the above technical problems.

Utility model content

The purpose of the utility model is to provide a lifting auxiliary device for road and bridge construction, to solve the problems that the existing support or lifting equipment is not conducive to material transportation, the construction efficiency of construction personnel is low, and the vibration is large.

For this reason, the technical scheme adopted by the present utility model is:

A lifting auxiliary device for road and bridge construction, the device comprises a base plate, four universal wheels are installed on the lower surface of the base plate, four vertical columns are installed on the upper surface of the base plate, and the outer surface of each of the vertical columns is installed. The surfaces are covered with first sleeves that can move up and down, the inner surfaces of the four first sleeves are fixedly connected with a first bearing plate, and the outer surfaces of every two first sleeves located on one side are A first drive assembly is fixedly connected to the upper part, and the first bearing plate moves up and down through the first sleeve under the drive of the first drive assembly.

Further, the outer sides of the two uprights located on one side are fixedly provided with a sill-shaped frame, and each sill-shaped frame is covered with a second sleeve that can move up and down, and the outer surfaces of the two second sleeves are covered. A second bearing plate is fixedly connected to the side surface, and a second driving assembly is fixedly connected to both sides of the second bearing plate, and the second bearing plate is driven up and down by the second driving assembly through the second sleeve.

Further, a fence is provided on the upper surface of the first carrying board, and the fence includes a first fence arranged along the length direction of the first carrying board and a second fence arranged along the width direction of the first carrying board. There is an entrance on the fence for construction workers to enter and exit.

The setting of the fence ensures the safety of the construction personnel during the construction process, and the entrance set on the second fence is convenient for the construction personnel to enter and exit.

Further, the first drive assembly includes a rotating shaft connected with the first drive motor, two first pulleys, two second pulleys and two conveyor belts passing through the rotating shaft, and the two first pulleys are respectively fixed on the two first pulleys. The outer sides of the first sleeves, the two second pulleys are respectively fixed on the sides of the bottom plate, and the two ends of the conveyor belt are respectively wound on the first pulley and the second pulley located in the vertical plane.

Further, a support plate for placing the first drive motor is provided below the first drive motor, and one end of the support plate is fixed on the upright column.

Further, the conveyor belt is a pull rope or a belt.

The above technical solution drives the rotating shaft to rotate through the first drive motor, which drives the first pulley and the second pulley to rotate, and the conveyor belt wound on the first pulley is retracted and retracted along with the rotation of the first pulley, and the up and down movement of the first carrier plate is adjusted. , to achieve automatic adjustment and improve work efficiency.

Further, the second drive assembly includes a lead screw connected with the second drive motor, a connecting rod threaded with the lower end of the lead screw, and a fixed block threaded with the upper end of the lead screw. The second drive motor and the lead screw Vertically arranged, one end of the connecting rod is fixed on the recessed frame, and one end of the fixing block is fixed on the side surface of the second bearing plate.

Further, the upper surface of the second carrier plate is provided with a groove for placing the material, which is convenient for the material to be placed and at the same time prevents the material from falling during the rising process.

The above technical solution drives the screw to rotate through the second driving motor. During the rotation of the screw, the screw rotates inside the connecting rod, and the fixed block is driven to move on the screw, and then the second sleeve is matched with the second sleeve to be placed on the slug-shaped frame. Slide up to drive the second carrier plate to move up and down to realize automatic adjustment and improve work efficiency.

The length of the column in the above technical solution is not limited, and the length of the column can be set correspondingly according to the height of the construction site.

Compared with the prior art, the beneficial effects of the present utility model are:

1. A lifting auxiliary device for road and bridge construction provided by the present utility model, instead of the existing support frame structure, has the advantage of structural stability and does not collapse, so as to ensure the personal safety of construction personnel;

2. A fence is arranged on the first bearing plate of the present utility model, and an entrance is arranged on the second fence, which further ensures the personal safety of construction personnel and improves the safety of the entire device;

3. A lifting auxiliary device for road and bridge construction provided by the present utility model is provided with a first bearing plate for lifting construction personnel and a second bearing plate for lifting materials, so as to separate lifting construction personnel and materials to avoid When there are many materials and heavy weights, they are all put together to carry out the problem of excessive lifting and bearing capacity, and there is not too much material intervention under the feet of the construction workers, which will not affect the normal construction of the construction workers;

4. The utility model adjusts the up and down movement of the second bearing plate through the second driving component, which is convenient for construction personnel to take materials and improves the work efficiency;

5. In the present invention, the rotation of the pulley in the first drive assembly is adjusted by the conveyor belt, which replaces the gear transmission, reduces the use of the gear, and thus reduces the noise.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of Embodiment 1 of the present invention.

FIG. 2 is a schematic structural diagram of the first driving assembly in FIG. 1 .

FIG. 3 is a schematic structural diagram of the second driving assembly in FIG. 1 .

4 is a schematic diagram of the overall structure of Embodiment 2 of the present invention.

As shown in the picture: 1- base plate, 2- universal wheel, 3- column, 4- first sleeve, 5- first bearing plate, 6- first drive assembly, 6.1- first drive motor, 6.2- shaft , 6.3-First pulley, 6.4-Second pulley, 6.5-Conveyor belt, 6.6-Support plate, 7-Indent frame, 8-Second sleeve, 9-Second carrying plate, 10-Second drive assembly, 10.1 -Second drive motor, 10.2-screw rod, 10.3-connecting rod, 10.4-fixed block, 11-first fence, 12-second fence, 13-groove.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It can be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

Embodiment 1 is a lifting auxiliary device for road and bridge construction, the structure of which is shown in FIG. 1 , including a bottom plate 1, four universal wheels 2 are installed on the lower surface of the bottom plate 1, and the upper surface of the bottom plate 1 is installed. Four uprights 3 are installed on the surface, the outer surface of each of the uprights 3 is covered with a first sleeve 4 that can move up and down, and the inner surface of the four first sleeves 4 is fixedly connected with a first bearing. The plate 5 is fixedly connected to the outer surface of every two first sleeves 4 on one side with a first drive assembly 6 , and the first bearing plate 5 passes through the first sleeve 4 on the outer surface of the first drive assembly 6 . Move up and down under the drive. This part is used for lifting and lowering the construction personnel. The construction personnel stand on the first bearing plate 5. The first bearing plate 5 is driven by the first driving assembly 6 to complete the lifting and lowering through the first sleeve 4. The length of the four columns 3 is based on the construction. The required height is now specified.

In the above-mentioned technical solution, the outer sides of the two uprights 3 located on one side are fixedly provided with a recessed frame 7, and each recessed frame 7 is covered with a second sleeve 8 that can move up and down. A second bearing plate 9 is fixedly connected to the outer side of the second sleeve 8 , and a second drive assembly 10 is fixedly connected to both sides of the second bearing plate 9 , and the second bearing plate 9 passes through the second sleeve 8 It moves up and down under the driving of the second driving assembly 10 . This part is used for lifting and lowering the materials required for construction. The materials are placed in the second carrying plate 9 , and the second carrying plate 9 is lifted and lowered by the second driving assembly 10 through the second sleeve 8 .

Specifically, as shown in FIG. 2 , the first drive assembly 6 includes a rotating shaft 6.2 connected to the first drive motor 6.1, two first pulleys 6.3, two second pulleys 6.4 and two conveyor belts passing through the rotating shaft 6.2 6.5, the two first pulleys 6.3 are respectively fixed on the outer sides of the two first sleeves 4, the two second pulleys 6.4 are respectively fixed on the side surfaces of the bottom plate 1, and the two ends of the conveyor belt 6.5 are respectively wrapped around On the first pulley 6.3 and the second pulley 6.4 located in the vertical plane, a support plate 6.6 for placing the first drive motor 6.1 is provided below the first drive motor 6.1, and one end of the support plate 6.6 is fixed on the column 3 Above, the conveyor belt 6.5 is a pull cord or a belt.

Specifically, a fence is provided on the upper surface of the first carrying board 5 , and the fence includes a first fence 11 arranged along the length direction of the first carrying board 5 and a second fence 12 arranged along the width direction of the first carrying board 5 . , the second fence 12 is provided with an entrance for construction personnel to enter and exit, and the setting of the fence can enhance the safety of the utility model and protect the personal safety of construction personnel.

More specifically, as shown in FIG. 3 , the second drive assembly 10 includes a lead screw 10.2 connected to the second drive motor 10.1, a connecting rod 10.3 threadedly connected to the lower end of the lead screw 10.2, and threadedly connected to the upper end of the lead screw 10.2 The fixing block 10.4, the second driving motor 10.1 and the screw rod 10.2 are vertically arranged, one end of the connecting rod 10.3 is fixed on the indented frame 7, and one end of the fixing block 10.4 is fixed on the side of the second bearing plate 9 Above, the upper surface of the second carrier plate 9 is provided with a groove 13 for placing the material, so that the material is not easy to slip off.

The working principle of this embodiment is:

In use, by driving the first drive motor 6.1, the rotating shaft 6.2 is driven to rotate, thereby driving the first pulley 6.3 and the second pulley 6.4 to rotate, and the conveyor belt 6.5 wound on the first pulley 6.3 is retracted with the rotation of the first pulley 6.3. In this way, the first sleeve 4 is driven to move on the column 3 to adjust the first bearing plate 5 to a position where the construction personnel can enter the first bearing plate, and the construction personnel enter the first bearing plate 5 through the entrance on the fence. , adjust the first bearing plate 5 to the construction position by driving the first driving motor 6.1 again; after the construction personnel enter the construction position, drive the second driving motor 10.1 to drive the screw 10.2 to rotate, during the rotation of the screw 10.2, The screw 10.2 rotates inside the connecting rod 10.3, and the fixed block 10.4 is driven to move on the screw 10.2, so that the second sleeve 8 slides on the grooved frame 7, thus completing the lifting action of the second carrying plate 9, When the position of the second carrying plate 9 is adjusted to a position where the construction personnel can easily take the materials, the second driving motor 10.1 is stopped, and the construction personnel can start the normal construction.

The technical solution of the above-mentioned embodiment 1 separates the manned and the load for lifting, which avoids the influence of the material on the construction personnel when the manned and the load is lifted together when there are too many materials, and eliminates the effect of the material on the construction personnel. It also reduces the load-bearing of the bearing plate.

Embodiment 2 is another form of a lifting auxiliary device for road and bridge construction, the structure of which is shown in Figure 4, and only includes the part that carries the construction personnel in Embodiment 1. This embodiment is suitable for when there are few materials If necessary, the materials and construction personnel can be put together and adjusted to the construction position; the structure of this embodiment is exactly the same as that of the man-carrying part in Embodiment 1, so it will not be described here. For the specific structure, please refer to the above.

The above-mentioned Embodiment 1 and Embodiment 2 do not use the gear and rack structure, thereby reducing noise.

The parts not described in the specification are the prior art or common knowledge. The present embodiment is only used to illustrate the utility model, not to limit the scope of the utility model. Those skilled in the art will consider the equivalent replacement and other modifications made by the utility model to fall within the protection of the utility model claims. within the range.

Claims (8)

1. The utility model provides a lift auxiliary device for road bridge construction which characterized in that: the device includes a bottom plate (1), the lower surface mounting of bottom plate (1) has four universal wheels (2), the last surface mounting of bottom plate (1) has four stands (3), every the surface of stand (3) all overlaps and is equipped with first sleeve pipe (4) that can reciprocate, four fixedly connected with first loading board (5) on the medial surface of first sleeve pipe (4), be located per two of one side first drive assembly (6) of fixedly connected with on the lateral surface of first sleeve pipe (4), first loading board (5) reciprocate under the drive of first drive assembly (6) through first sleeve pipe (4).

2. The lifting auxiliary device for road and bridge construction according to claim 1, wherein -shaped frames (7) are fixedly arranged on the outer side surfaces of two upright posts (3) on one side, each -shaped frame (7) is sleeved with a second sleeve (8) capable of moving up and down, a second bearing plate (9) is fixedly connected to the outer side surfaces of the two second sleeves (8), second driving assemblies (10) are fixedly connected to two sides of the second bearing plate (9), and the second bearing plate (9) moves up and down under the driving of the second driving assemblies (10) through the second sleeves (8).

3. The lifting auxiliary device for road and bridge construction as claimed in claim 1, wherein: the upper surface of first loading board (5) is equipped with the rail, the rail includes first rail (11) and second rail (12) that set up along first loading board (5) width direction that set up along first loading board (5) length direction, be equipped with the entry port that supplies to apply workman's business turn over on second rail (12).

4. The lifting auxiliary device for road and bridge construction as claimed in claim 1, wherein: first drive assembly (6) include pivot (6.2) be connected with first driving motor (6.1), pass two first pulleys (6.3), two second pulleys (6.4) and two conveyer belts (6.5) of pivot (6.2), two first pulley (6.3) are fixed respectively two the lateral surface of first sleeve pipe (4), two the side at bottom plate (1) is fixed respectively to second pulley (6.4), and the both ends of conveyer belt (6.5) twine respectively on first pulley (6.3) and second pulley (6.4) that are located the vertical plane.

5. The lifting auxiliary device for road and bridge construction as claimed in claim 4, wherein: a supporting plate (6.6) used for placing the first driving motor (6.1) is arranged below the first driving motor (6.1), and one end of the supporting plate (6.6) is fixed on the upright post (3).

6. The lifting auxiliary device for road and bridge construction as claimed in claim 4, wherein: the conveyor belt (6.5) is a pull rope or a belt.

7. The lifting auxiliary device for road and bridge construction according to claim 2, wherein the second driving assembly (10) comprises a screw rod (10.2) connected with the second driving motor (10.1), a connecting rod (10.3) in threaded connection with the lower end of the screw rod (10.2) and a fixing block (10.4) in threaded connection with the upper end of the screw rod (10.2), the second driving motor (10.1) and the screw rod (10.2) are vertically arranged, one end of the connecting rod (10.3) is fixed on the -shaped frame (7), and one end of the fixing block (10.4) is fixed on the side surface of the second bearing plate (9).

8. The lifting auxiliary device for road and bridge construction as claimed in claim 2, wherein: and a groove (13) for placing materials is formed in the upper surface of the second bearing plate (9).

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