Material hoisting device for bridge construction

Abstract

The utility model discloses a material hoisting device for bridge construction, which comprises an upright post and a hoisting frame fixedly connected to the top of the upright post, a supporting structure is arranged on the surface of the upright post, an adjusting structure positioned on the top of the supporting structure is arranged on the surface of the upright post, and the supporting structure comprises a connecting block fixedly connected to the surface of the upright post. The extrusion plate is pushed to move downwards through the transmission structure, the extrusion plate extrudes the extending plates at the same time, the supporting plate connected with the extending plates swings with the pin shaft in the connecting block as the axis, and when the side, away from the connecting block, of the supporting plate makes contact with the surface of a concrete foundation, the effect of supporting the stand column is achieved; according to the material hoisting device, the installation mode of an existing material hoisting device can be improved, the auxiliary thread assembly is connected with a concrete foundation in the installation process, and the phenomenon that the material hoisting device with the small contact surface with the foundation is prone to inclination when subjected to the pressure of a hoisted heavy object is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a material hoisting device used for bridge construction. Background Art

[0002] Bridge construction refers to the process of building and installing bridges using various engineering machinery and equipment in accordance with design drawings and construction plans. Bridge construction is an important part of bridge construction and is directly related to the quality and service life of the bridge. A reasonable and efficient construction process can ensure the structural strength and stability of the bridge, reduce construction costs, shorten the construction period, and ensure the safety and environmental protection of the construction.

[0003] Bridge construction includes the foundation construction of the bridge, the installation of piers, pier columns, beams, bridge decks and protective facilities, the construction of culverts, etc. During the installation process, materials need to be transported to a high place for use by lifting. For example, the patent number disclosed on the China Patent Network is: 202122199842.2, and the patent name is: An integrated lifting device for bridge construction, capable of lifting steel bar bundles of different lengths, an integrated lifting device for bridge construction, including a lifting clamp, a movable frame and a fixed groove plate, two movable frames are slidably connected to the fixed groove plate, the two movable frames are respectively hinged with lifting clamps, and a lifting assembly is connected to the fixed groove plate, an integrated lifting device for bridge construction, also includes nuts, nuts are respectively threaded on the two movable frames, the lifting assembly includes a lifting beam and a fixed frame, the fixed groove plate is installed on the lifting beam, and the lifting beam is slidably connected to the fixed frame.

[0004] However, the installation method of the existing material lifting device is relatively complicated. During the installation process, it needs to be connected to the concrete foundation through a threaded component. The material lifting device with a small contact surface with the foundation is prone to tilting when subjected to the pressure of lifting heavy objects.

[0005] Therefore, it is necessary to redesign the material lifting equipment used in bridge construction. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a material lifting device for bridge construction, which has the advantage of supporting the lifting device, and solves the problem that the installation method of the existing material lifting device is relatively cumbersome, and during the installation process, it is necessary to connect it to the concrete foundation through a threaded component. The material lifting device with a small contact surface with the foundation is prone to tilt when subjected to the pressure of lifting heavy objects.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a material lifting device for bridge construction, comprising a column;

[0008] A hanging frame fixedly connected to the top of the column;

[0009] A support structure is provided on the surface of the column;

[0010] The surface of the column is provided with an adjustment structure located on the top of the support structure;

[0011] The supporting structure includes a connecting block fixedly connected to the surface of the column, the number of the connecting blocks is several and they are evenly arranged around, the interior of the connecting block is movably connected with a supporting plate through a bearing, the bottom of the supporting plate is parallel to the bottom of the column, an extension plate is fixedly connected to the side of the support plate close to the connecting block, an extrusion plate is sleeved on the surface of the column, the extrusion plate is located on the top of the connecting block, the outer surface of the extrusion plate is in contact with the inner side of the extension plate, and the adjustment structure can drive the extrusion plate to rise and fall.

[0012] As a preferred embodiment of the utility model, the adjustment structure includes a connecting frame fixedly connected to the front side of the column, the interior of the connecting frame is movably connected with a bidirectional screw via a bearing, the left and right sides of the surface of the bidirectional screw are threadedly connected with screw sleeves, the front side of the screw sleeve is fixedly connected with a crank, the side of the crank away from the screw sleeve is movably connected with a movable block via a pin shaft, and the bottom of the movable block is fixedly connected to the top of the extrusion plate.

[0013] As a preferred embodiment of the present invention, a reinforcing rib is fixedly connected to the top of the support plate, and a side of the reinforcing rib away from the support plate is fixedly connected to the outer side of the extension plate.

[0014] As a preferred embodiment of the utility model, a spring plate is fixedly connected to the inner side of the support plate, a side of the spring plate away from the support plate is in contact with the surface of the column, and the spring plate is elastic.

[0015] As a preferred embodiment of the utility model, a guide bar is fixedly connected to the interior of the connecting frame, and the guide bar extends to the interior of the screw sleeve from a side away from the connecting frame, and the screw sleeve and the guide bar are slidably connected.

[0016] As a preferred embodiment of the present invention, a baffle is fixedly connected to the top of the connecting frame, and the baffle extends from a side away from the connecting frame to the front side of the crank.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] 1. The utility model pushes the extrusion plate downward through the transmission structure, and the extrusion plate squeezes multiple extension plates at the same time, so that the support plate connected to the extension plate swings with the pin shaft inside the connecting block as the axis. When the side of the support plate away from the connecting block contacts the surface of the concrete foundation, the effect of supporting the column is achieved. The utility model can improve the installation method of the existing material lifting device. During the installation process, the auxiliary threaded component is connected to the concrete foundation to prevent the material lifting device with a small contact surface with the foundation from being easily tilted when subjected to the pressure of lifting heavy objects.

[0019] 2. The utility model can control the stable lifting and lowering of the extrusion plate by arranging a bidirectional screw, a screw sleeve and a crank, and can effectively adjust the extrusion strength of the extrusion plate.

[0020] 3. The utility model can improve the connection stability between the support plate and the extension plate by arranging reinforcing ribs, and prevent the connection between the two from being broken or loosened.

[0021] 4. The utility model can support the support plate by arranging a spring plate, so that the support plate has an elastic reset effect.

[0022] 5. The utility model can limit the screw sleeve by setting the guide strip, so as to avoid the screw sleeve from tilting during the movement.

[0023] 6. The utility model can improve the safety of the column and reduce the contact area between the transmission structure and the external environment by setting the baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0026] Figure 3 It is a schematic diagram of the partial structure of the utility model.

[0027] In the figure: 1. column; 2. lifting frame; 3. supporting structure; 4. adjusting structure; 5. connecting block; 6. supporting plate; 7. extension plate; 8. extrusion plate; 9. connecting frame; 10. bidirectional screw; 11. screw sleeve; 12. crank; 13. movable block; 14. reinforcing rib; 15. spring plate; 16. guide strip; 17. baffle. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] like Figures 1 to 3 As shown, the utility model provides a material lifting device for bridge construction, comprising a column 1;

[0030] A hanging frame 2 fixedly connected to the top of the column 1;

[0031] A support structure 3 is provided on the surface of the column 1;

[0032] The surface of the column 1 is provided with an adjustment structure 4 located on the top of the support structure 3;

[0033] The supporting structure 3 includes a connecting block 5 fixedly connected to the surface of the column 1. The number of the connecting blocks 5 is several and they are evenly arranged around. The interior of the connecting block 5 is movably connected to a supporting plate 6 through a bearing. The bottom of the supporting plate 6 is parallel to the bottom of the column 1. An extension plate 7 is fixedly connected to the side of the supporting plate 6 close to the connecting block 5. An extrusion plate 8 is sleeved on the surface of the column 1. The extrusion plate 8 is located on the top of the connecting block 5. The outer surface of the extrusion plate 8 is in contact with the inner side of the extension plate 7. The adjusting structure 4 can drive the extrusion plate 8 to rise and fall.

[0034] refer to Figure 3 The adjustment structure 4 includes a connecting frame 9 fixedly connected to the front side of the column 1, and a bidirectional screw 10 is movably connected to the interior of the connecting frame 9 through a bearing. The left and right sides of the surface of the bidirectional screw 10 are threadedly connected with screw sleeves 11, and a crank 12 is fixedly connected to the front side of the screw sleeve 11. The side of the crank 12 away from the screw sleeve 11 is movably connected to a movable block 13 through a pin shaft, and the bottom of the movable block 13 is fixedly connected to the top of the extrusion plate 8.

[0035] As a technical optimization solution of the utility model, by providing a bidirectional screw 10, a screw sleeve 11 and a crank 12, the extrusion plate 8 can be controlled to be stably lifted and lowered, and the extrusion strength of the extrusion plate 8 can be effectively adjusted.

[0036] refer to Figure 3 A reinforcing rib 14 is fixedly connected to the top of the support plate 6 , and a side of the reinforcing rib 14 away from the support plate 6 is fixedly connected to the outer side of the extension plate 7 .

[0037] As a technical optimization solution of the present invention, by providing the reinforcing ribs 14, the connection stability between the support plate 6 and the extension plate 7 can be improved to prevent the connection between the two from being broken or loosened.

[0038] refer to Figure 3 A spring plate 15 is fixedly connected to the inner side of the support plate 6 , and a side of the spring plate 15 away from the support plate 6 contacts the surface of the column 1 , and the spring plate 15 is elastic.

[0039] As a technical optimization solution of the present invention, by providing a spring plate 15, the support plate 6 can be supported so that the support plate 6 has an elastic reset effect.

[0040] refer to Figure 3 A guide bar 16 is fixedly connected to the interior of the connecting frame 9 , and the guide bar 16 extends to the interior of the screw sleeve 11 away from the side of the connecting frame 9 , and the screw sleeve 11 and the guide bar 16 are slidably connected.

[0041] As a technical optimization solution of the present invention, by providing the guide strip 16, the screw sleeve 11 can be limited to avoid the screw sleeve 11 from tilting during the movement.

[0042] refer to Figure 1 A baffle 17 is fixedly connected to the top of the connecting frame 9 , and the baffle 17 extends from one side of the connecting frame 9 to the front side of the crank 12 .

[0043] As a technical optimization solution of the present invention, by providing the baffle 17, the safety of the column 1 can be improved and the contact area between the transmission structure and the external environment can be reduced.

[0044] The working principle and use process of the utility model are as follows: when in use, the column 1 is connected to the concrete foundation. When the column 1 is installed, the bidirectional screw 10 is rotated. The bidirectional screw 10 uses the thread to push the screw sleeve 11 to move toward each other. During the movement of the screw sleeve 11, the crank 12 is used to push the extrusion plate 8 to move downward. The extrusion plate 8 squeezes the extension plate 7, so that the support plate 6 connected to the extension plate 7 swings with the pin shaft inside the connecting block 5 as the axis. When the side of the support plate 6 away from the connecting block 5 contacts the surface of the concrete foundation, the effect of supporting the column 1 is achieved.

[0045] To sum up: the material lifting device used for bridge construction pushes the extrusion plate 8 to move downward through the transmission structure, and the extrusion plate 8 squeezes multiple extension plates 7 at the same time, so that the support plate 6 connected to the extension plate 7 swings with the pin shaft inside the connecting block 5 as the axis. When the side of the support plate 6 away from the connecting block 5 contacts the surface of the concrete foundation, the effect of supporting the column 1 is achieved. The utility model can improve the installation method of the existing material lifting device. During the installation process, the auxiliary threaded component is connected to the concrete foundation to prevent the material lifting device with a small contact surface with the foundation from being easily tilted when subjected to the pressure of lifting heavy objects.

[0046] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A material lifting device for bridge construction, comprising a column (1); A hanging frame (2) fixedly connected to the top of the column (1); Features: A support structure (3) is provided on the surface of the column (1); The surface of the column (1) is provided with an adjustment structure (4) located on the top of the support structure (3); The support structure (3) comprises a connection block (5) fixedly connected to the surface of the column (1); the number of the connection blocks (5) is several and they are evenly arranged around; the interior of the connection block (5) is movably connected to a support plate (6) via a bearing; the bottom of the support plate (6) is parallel to the bottom of the column (1); the side of the support plate (6) close to the connection block (5) is fixedly connected to an extension plate (7); the surface of the column (1) is sleeved with an extrusion plate (8); the extrusion plate (8) is located on the top of the connection block (5); the outer surface of the extrusion plate (8) is in contact with the inner side of the extension plate (7); and the adjustment structure (4) can drive the extrusion plate (8) to rise and fall.

2. A material lifting device for bridge construction according to claim 1, characterized in that: The adjustment structure (4) comprises a connection frame (9) fixedly connected to the front face of the column (1); a bidirectional screw (10) is movably connected to the interior of the connection frame (9) via a bearing; a screw sleeve (11) is threadedly connected to the left and right sides of the surface of the bidirectional screw (10); a crank (12) is fixedly connected to the front face of the screw sleeve (11); a movable block (13) is movably connected to the side of the crank (12) away from the screw sleeve (11) via a pin; and the bottom of the movable block (13) is fixedly connected to the top of the extrusion plate (8).

3. The material lifting device for bridge construction according to claim 1, characterized in that: A reinforcing rib (14) is fixedly connected to the top of the support plate (6), and a side of the reinforcing rib (14) away from the support plate (6) is fixedly connected to the outer side of the extension plate (7).

4. The material lifting device for bridge construction according to claim 1, characterized in that: A spring plate (15) is fixedly connected to the inner side of the support plate (6); a side of the spring plate (15) away from the support plate (6) contacts the surface of the column (1); and the spring plate (15) is elastic.

5. The material lifting device for bridge construction according to claim 2, characterized in that: A guide bar (16) is fixedly connected to the interior of the connection frame (9), and a side of the guide bar (16) away from the connection frame (9) extends to the interior of the screw sleeve (11), and the screw sleeve (11) and the guide bar (16) are slidably connected.

6. The material lifting device for bridge construction according to claim 2, characterized in that: A baffle (17) is fixedly connected to the top of the connection frame (9), and the baffle (17) extends from a side away from the connection frame (9) to the front side of the crank (12).

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