Lifting equipment for safe construction of bridge
By designing telescopic mounting frame and clamping unit, using the gravity of the prefabricated parts to automatically clamp, the problem of time-consuming and labor-consuming manual fixation in the prior art is solved, and the rapid fixation and stable lifting of prefabricated parts in bridge construction is achieved, thereby improving the improvement of the improvement of the Construction efficiency.
Patent Information
- Application Number
- CN202411606714.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2024-12-13
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In bridge construction, the existing lifting method requires manual binding and fixing of prefabricated parts, which consumes time and effort and affects the construction progress.
A lifting equipment for safe construction of bridges is designed, using a telescopic mounting frame, positioning module and clamping unit, automatically clamping with the gravity of the prefabricated parts, and quickly fixing and flexible adjustment through hydraulic telescopic rods and elastic parts.
It realizes rapid fixing and stable lifting of prefabricated parts, improves construction efficiency, has a wide range of application, is simple to operate, and is suitable for prefabricated parts of different sizes.
Smart Images

Figure CN119117893A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of lifting equipment, and in particular relates to a lifting equipment for safe bridge construction. Background Art
[0002] Bridge construction refers to the process of building a bridge according to the design content, which mainly involves bridge construction technology, construction organization, construction management and construction quality. In the process of bridge construction, lifting equipment is usually used to lift and transport the prefabricated parts used.
[0003] At present, the most common hoisting method is to use cranes and other equipment with corresponding lifting ropes to hoist prefabricated parts. During the operation, the operator needs to bind the prefabricated parts first, and then fix them to the crane before they can be transported. This manual method of fixing prefabricated parts is time-consuming and labor-intensive, which is not conducive to the smooth progress of construction. Therefore, it is very necessary to provide a device that can adaptively realize the rapid fixing of prefabricated parts. Summary of the invention
[0004] The purpose of the embodiments of the present invention is to provide a lifting device for safe bridge construction, aiming to solve the problems raised in the above-mentioned background technology.
[0005] The embodiment of the present invention is implemented as follows: a lifting device for safe bridge construction includes a top plate, a connecting frame is provided on the top plate, and further includes: The mounting module includes a mounting frame, and the top plate is also provided with a lifting module for lifting the mounting frame, the mounting frame is symmetrically provided with two sliding seats, and the sliding seats are slidably installed in the mounting frame, the bottom of each sliding seat is connected to a column, and the bottom of the mounting frame is also provided with an adjusting member for simultaneously driving the two columns to move toward or in opposite directions; A positioning module, wherein two groups of positioning modules are provided, and the two groups of positioning modules are respectively installed at the bottom of a column, and the two groups of positioning modules are symmetrically arranged, and the positioning module comprises a mounting plate installed at the bottom of the column, and the mounting plate is slidably installed on the column through a guide rod, and a first spring is arranged between the guide rod and the column, and when no external force is applied, the elastic force of the first spring will make the mounting plate abut against the column, and a support plate is arranged at the bottom of the mounting plate, and the column is also provided with a device for converting the linear motion of the support plate in the vertical direction into a mounting plate. A clamping unit for linear movement of a mounting plate in a horizontal direction, wherein the pallet comprises a main pallet and a flip pallet, and the flip pallet is rotatably mounted on the main pallet, and a reset torsion spring is also provided at the connection between the flip pallet and the main pallet, two connecting rods are symmetrically provided on both sides of the main pallet, and the connecting rods are slidably installed in the mounting plate in a vertical direction, a side clamp is slidably installed on the mounting plate in a vertical direction, a telescopic telescopic connecting rod is provided at the bottom of the side clamp, and the bottom of the telescopic connecting rod is slidably installed on the flip pallet in a horizontal direction.
[0006] According to a further technical solution, the lifting module includes a winding wheel installed on the top plate, and a winding motor for driving the winding wheel to rotate is also provided on the top plate, a lifting rope is wound on the winding wheel, a free end of the lifting rope is connected to a connecting column, and the connecting column is connected to the mounting frame.
[0007] A further technical solution is that the mounting frame adopts a telescopic structure, and the mounting frame includes a main frame, and telescopic frames are symmetrically arranged at both ends of the main frame. The telescopic frames are of a U-shaped structure, and both ends of the telescopic frames are inserted into the main frame and connected by corresponding elastic parts (such as springs).
[0008] According to a further technical solution, the adjusting member comprises two hydraulic telescopic rods symmetrically arranged at the bottom of the mounting frame, and the telescopic ends of the two hydraulic telescopic rods are respectively connected to a column.
[0009] A further technical solution is that the clamping unit includes an internal threaded sleeve rotatably installed in the column, and a plug-in frame installed on the main support plate, the internal threaded sleeve is provided with a transmission gear, a threaded rod is installed inside the internal threaded sleeve, and one end of the threaded rod is rotatably installed on the mounting plate, the upper end of the plug-in frame is plugged into the column and connected to the inside of the column through a second spring, and the plug-in frame is also provided with a rack meshing with the transmission gear.
[0010] According to a further technical solution, an auxiliary lifting unit is provided between the top plate and the mounting frame. The auxiliary lifting unit adopts a telescopic sleeve structure and can be extended and retracted only in the vertical direction.
[0011] According to a further technical solution, the auxiliary lifting unit includes a first sleeve installed at the bottom of the top plate, a second sleeve is slidably installed in the first sleeve along the vertical direction, and the bottom of the second sleeve passes through the bottom wall of the first sleeve, a third sleeve is slidably installed in the second sleeve along the vertical direction, and the bottom of the third sleeve passes through the bottom wall of the second sleeve, a fourth sleeve is slidably installed in the third sleeve along the vertical direction, and the bottom of the fourth sleeve passes through the bottom wall of the third sleeve, the connecting column is slidably installed in the fourth sleeve along the vertical direction, and the bottom of the connecting column passes through the bottom wall of the fourth sleeve and is connected to the top of the mounting frame.
[0012] The embodiment of the present invention provides a lifting device for safe bridge construction. When a prefabricated part is to be lifted, the mounting frame is first lowered to a designated position through the lifting module, and the support plate is located at the bottom of the prefabricated part to be lifted. During this process, the flipping support plate will come into contact with the end of the prefabricated part to be lifted and flip over. At this time, the telescopic connecting rod is compressed and shrinks into the side clamp plate, so that the whole support plate can move smoothly to the bottom of the prefabricated part to be lifted. When the flipping support plate is no longer in contact with the side wall of the prefabricated part to be lifted, the reset torsion spring will restore the flipping support plate to a horizontal state, and the lifting module can be controlled to drive the mounting frame to move upward. When the flip pallet contacts the bottom wall of the prefabricated part to be hoisted, the pallet and the mounting plate will slide relative to each other in the vertical direction due to the gravity of the prefabricated part to be hoisted. The main pallet can convert the relative sliding in the vertical direction into the linear movement of the mounting plate in the horizontal direction through the clamping unit. Under the guidance of the guide rod, the mounting plate can drive the side clamps to move linearly synchronously, so that the two side clamps on both sides move towards each other at the same time, so that the two sides of the prefabricated part can be clamped. At this time, there is no relative movement between the pallet and the mounting plate in the vertical direction. The prefabricated part can be quickly fixed by the cooperation of the bottom support of the pallet and the lateral clamping of the side clamps. As the lifting module continues to work, the prefabricated part can be lifted. During the whole process, the gravity of the prefabricated part will enable the device to fix it stably. When the prefabricated parts are hoisted to the designated location, it is only necessary to place the prefabricated parts on the supporting parts, and then the lifting module is lowered for a certain distance so that the gravity of the prefabricated parts no longer acts on the pallet. The device will automatically remove the clamping effect on the prefabricated parts, and the device and the prefabricated parts will be separated. At this time, the pallet is controlled to move away from the side, and the subsequent hoisting work can be carried out. The device can use the deadweight of the prefabricated parts to quickly fix the prefabricated parts. The hoisting process is stable and can be flexibly adjusted according to the size of the prefabricated parts. It is simple to operate, has a wide range of applications, and has high work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 A schematic structural diagram of a lifting device for safe bridge construction provided by an embodiment of the present invention; Figure 2A schematic diagram of the structure of a lifting device for safe bridge construction provided by an embodiment of the present invention from an upward perspective; Figure 3 A schematic structural diagram of a positioning module in a lifting device for safe bridge construction provided by an embodiment of the present invention; Figure 4 for Figure 3 A schematic diagram of the structure from a rear side perspective; Figure 5 A schematic structural diagram of a clamping unit in a lifting device for safe bridge construction provided by an embodiment of the present invention; Figure 6 A schematic diagram of the structure of a support plate in a lifting device for safe bridge construction provided by an embodiment of the present invention; Figure 7 A cross-sectional view of an auxiliary lifting unit in a lifting device for safe bridge construction provided by an embodiment of the present invention.
[0014] In the accompanying drawings: top plate 1; connecting frame 11; lifting module 2; winding wheel 21; winding motor 22; lifting rope 23; connecting column 24; auxiliary lifting unit 3; first sleeve 31; second sleeve 32; third sleeve 33; fourth sleeve 34; mounting module 4; mounting frame 41; main frame 411; telescopic frame 412; sliding seat 42; adjusting member 43; column 44; positioning module 5; mounting plate 51; support plate 52; main support plate 521; flip support plate 522; guide rod 53; first spring 54; connecting plug rod 55; telescopic connecting rod 56; side clamp 57; clamping unit 6; transmission gear 61; internal threaded sleeve 62; plug-in frame 63; threaded rod 64; rack 65; second spring 66. DETAILED DESCRIPTION
[0015] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0016] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.
[0017] like Figure 1-Figure 6 As shown, a lifting device for safe bridge construction provided by an embodiment of the present invention includes a top plate 1, a connecting frame 11 is provided on the top plate 1, and further includes: The mounting module 4 includes a mounting frame 41, and the top plate 1 is further provided with a lifting module 2 for lifting the mounting frame 41, the mounting frame 41 is symmetrically provided with two sliding seats 42, and the sliding seats 42 are slidably installed in the mounting frame 41, and the bottom of each sliding seat 42 is connected to a column 44, and the bottom of the mounting frame 41 is further provided with an adjusting member 43 for simultaneously driving the two columns 44 to move toward or in opposite directions; The positioning module 5 is provided with two groups, and the two groups of the positioning modules 5 are respectively installed at the bottom of a column 44, and the two groups of the positioning modules 5 are symmetrically arranged. The positioning module 5 includes a mounting plate 51 installed at the bottom of the column 44, and the mounting plate 51 is slidably installed on the column 44 through a guide rod 53, and a first spring 54 is arranged between the guide rod 53 and the column 44. When no external force is applied, the elastic force of the first spring 54 will make the mounting plate 51 abut against the column 44, and a support plate 52 is arranged at the bottom of the mounting plate 51, and the column 44 is also provided with a device for converting the linear motion of the support plate 52 in the vertical direction into the mounting plate 51. The clamping unit 6 moves linearly in the horizontal direction, and the pallet 52 includes a main pallet 521 and a flip pallet 522, and the flip pallet 522 is rotatably installed on the main pallet 521, and a reset torsion spring is also provided at the connection between the flip pallet 522 and the main pallet 521, and two connecting rods 55 are symmetrically provided on both sides of the main pallet 521, and the connecting rods 55 are slidably installed in the mounting plate 51 along the vertical direction, and a side clamp 57 is slidably installed on the mounting plate 51 along the vertical direction, and a telescopic telescopic link 56 is provided at the bottom of the side clamp 57, and the bottom of the telescopic link 56 is slidably installed on the flip pallet 522 along the horizontal direction.
[0018] In the embodiment of the present invention, before use, the top plate 1 only needs to be installed on an existing crane or other equipment through the connecting frame 11, and the device can be installed as a whole at a specified height position. According to the size of the prefabricated part to be hoisted, the spacing between the two columns 44 is adjusted by the adjusting member 43, so that the projection of the flip pallet 522 in the vertical direction overlaps with the two ends of the prefabricated part to be hoisted. When the prefabricated part is to be hoisted, the mounting frame 41 is first lowered to the specified position through the lifting module 2, and the pallet 52 is located at the bottom of the prefabricated part to be hoisted. In this process, the flip pallet 522 will contact the end of the prefabricated part to be hoisted and flip, and at this time, the telescopic connecting rod 56 is compressed and shrinks into the side clamping plate 57, so that the pallet 52 can move smoothly to the bottom of the prefabricated part to be hoisted. When the flip pallet 522 no longer contacts the side wall of the prefabricated part to be hoisted, the reset torsion spring will restore the flip pallet 522 to a horizontal state, and at this time, the lifting module 2 can be controlled to drive the mounting frame 41 to move upward. When the flipping support plate 522 contacts the bottom wall of the prefabricated part to be hoisted, due to the gravity of the prefabricated part to be hoisted, the support plate 52 and the mounting plate 51 will slide relative to each other in the vertical direction. The main support plate 521 can convert the relative sliding in the vertical direction into the linear movement of the mounting plate 51 in the horizontal direction through the clamping unit 6. Under the guidance of the guide rod 53, the mounting plate 51 can drive the side clamping plate 57 to move linearly synchronously, so that the two side clamping plates 57 on both sides move towards each other at the same time, so that the two sides of the prefabricated part can be clamped. At this time, there is no relative movement between the support plate 52 and the mounting plate 51 in the vertical direction. The prefabricated part can be quickly fixed by the cooperation of the bottom support of the support plate 52 and the lateral clamping of the side clamping plate 57. As the lifting module 2 continues to work, the prefabricated part can be lifted. During the whole process, the gravity of the prefabricated part enables the device to fix it stably.
[0019] When the prefabricated part is hoisted to the designated position, it is only necessary to place the prefabricated part on the supporting component, and then the hoisting module 2 is lowered for a certain distance so that the gravity of the prefabricated part no longer acts on the support plate 52, and the device will automatically remove the clamping effect on the prefabricated part, realizing the separation of the device and the prefabricated part. At this time, the support plate 52 is controlled to move away from the side, and the subsequent hoisting work can be carried out.
[0020] like Figure 1 and Figure 2 As shown, as a preferred embodiment of the present invention, the lifting module 2 includes a winding wheel 21 installed on the top plate 1, and the top plate 1 is also provided with a winding motor 22 for driving the winding wheel 21 to rotate, a lifting rope 23 is wound on the winding wheel 21, the free end of the lifting rope 23 is connected to a connecting column 24, and the connecting column 24 is connected to the mounting frame 41.
[0021] In the embodiment of the present invention, when in use, it is only necessary to start the winding motor 22, and the winding motor 22 drives the winding wheel 21 to rotate, so as to realize the winding or unwinding of the lifting rope 23, thereby driving the mounting frame 41 to rise and fall through the connecting column 24, so as to realize the lifting of the prefabricated part.
[0022] like Figure 1 and Figure 2 As shown, as a preferred embodiment of the present invention, the mounting frame 41 adopts a telescopic structure, and the mounting frame 41 includes a main frame 411, and telescopic frames 412 are symmetrically arranged at both ends of the main frame 411. The telescopic frames 412 are of a U-shaped structure, and both ends of the telescopic frames 412 are inserted into the main frame 411 and connected by corresponding elastic members (such as springs, etc.).
[0023] In the embodiment of the present invention, in the initial state, the telescopic frame 412 is retracted in the main frame 411 by the elastic force, and as the sliding seat 42 slides toward the outside of the main frame 411, the sliding seat 42 abuts against the telescopic frame 412 and pushes the telescopic frame 412 to slide synchronously, so that the telescopic frame 412 opens outward, and the moving range of the sliding seat 42 can be expanded. Through such a structural setting, while ensuring that the moving range of the sliding seat 42 is as large as possible, the space occupied by the device when not working can also be reduced.
[0024] In addition, in this state, the bottom of the connecting column 24 only needs to be connected to the middle position of the main frame 411.
[0025] like Figure 1 As shown in the figure, as a preferred embodiment of the present invention, the adjusting member 43 includes two hydraulic telescopic rods symmetrically arranged at the bottom of the mounting frame 41, and the telescopic ends of the two hydraulic telescopic rods are respectively connected to a column 44. By controlling the two hydraulic telescopic rods to telescope at the same time, the two columns 44 can be driven to perform linear motion in opposite directions at the same time, thereby adjusting the distance between the two columns 44.
[0026] like Figure 1-Figure 6 As shown, as a preferred embodiment of the present invention, the clamping unit 6 includes an internal threaded sleeve 62 rotatably installed in the column 44, and a plug-in frame 63 installed on the main support plate 521, the internal threaded sleeve 62 is sleeved with a transmission gear 61, a threaded rod 64 is installed inside the internal threaded sleeve 62, and one end of the threaded rod 64 is rotatably installed on the mounting plate 51, the upper end of the plug-in frame 63 is plugged into the column 44, and is connected to the inside of the column 44 through a second spring 66, and the plug-in frame 63 is also provided with a rack 65 meshing with the transmission gear 61.
[0027] In the embodiment of the present invention, during the lifting process, due to the gravity of the prefabricated part, the support plate 52 and the mounting plate 51 will slide relative to each other in the vertical direction, and the main support plate 521 can drive the plug-in frame 63 to slide relative to each other in the column 44 synchronously, thereby driving the transmission gear 61 to rotate through the rack 65, and the transmission gear 61 can drive the internal threaded sleeve 62 to rotate synchronously, thereby driving the threaded rod 64 to move linearly along its axial direction, and the threaded rod 64 can push the mounting plate 51 to move synchronously in the horizontal direction, so that the two side clamps 57 on both sides move toward each other at the same time, so as to clamp the two sides of the prefabricated part, and the bottom support function of the support plate 52 and the lateral clamping function of the side clamps 57 cooperate with each other to quickly fix the prefabricated part.
[0028] like Figure 1 and Figure 7 As shown, as a preferred embodiment of the present invention, an auxiliary lifting unit 3 is further arranged between the top plate 1 and the mounting frame 41. The auxiliary lifting unit 3 adopts a telescopic sleeve structure and can only be telescoped in the vertical direction, thereby effectively preventing the mounting frame 41 from shaking during the lifting process and ensuring the stability of lifting and transportation.
[0029] In the embodiment of the present invention, the auxiliary lifting unit 3 includes a first sleeve 31 installed at the bottom of the top plate 1, a second sleeve 32 is slidably installed in the first sleeve 31 along the vertical direction, and the bottom of the second sleeve 32 passes through the bottom wall of the first sleeve 31, a third sleeve 33 is slidably installed in the second sleeve 32 along the vertical direction, and the bottom of the third sleeve 33 passes through the bottom wall of the second sleeve 32, a fourth sleeve 34 is slidably installed in the third sleeve 33 along the vertical direction, and the bottom of the fourth sleeve 34 passes through the bottom wall of the third sleeve 33, the connecting column 24 is slidably installed in the fourth sleeve 34 along the vertical direction, and the bottom of the connecting column 24 passes through the bottom wall of the fourth sleeve 34 and is connected to the top of the mounting frame 41.
[0030] During use, through the cooperation of the first sleeve 31, the second sleeve 32, the third sleeve 33 and the fourth sleeve 34, it can be ensured that during the lifting of the connecting column 24, it always moves in the vertical direction, thereby effectively preventing the mounting frame 41 from shaking during the lifting process and improving the stability of the device.
[0031] Working principle: Before use, the top plate 1 can be installed on the existing crane and other equipment through the connecting frame 11, and the device can be installed at the specified height position. According to the size of the prefabricated part to be hoisted, the distance between the two columns 44 is adjusted by the adjusting member 43, so that the projection of the flip pallet 522 in the vertical direction overlaps with the two ends of the prefabricated part to be hoisted. When the prefabricated part is to be hoisted, the mounting frame 41 is first lowered to the specified position through the lifting module 2, and the pallet 52 is located at the bottom of the prefabricated part to be hoisted. In this process, the flip pallet 522 will contact the end of the prefabricated part to be hoisted and flip. At this time, the telescopic connecting rod 56 is compressed and shrinks into the side clamp 57, so that the pallet 52 can move smoothly to the bottom of the prefabricated part to be hoisted. When the flip pallet 522 no longer contacts the side wall of the prefabricated part to be hoisted, the reset torsion spring will restore the flip pallet 522 to a horizontal state, and then the lifting module 2 can be controlled to drive the mounting frame 41 to move upward. When the flipping support plate 522 contacts the bottom wall of the prefabricated part to be hoisted, due to the gravity of the prefabricated part to be hoisted, the support plate 52 and the mounting plate 51 will slide relative to each other in the vertical direction. The flipping support plate 522 can drive the plug-in frame 63 to slide relative to each other in the column 44 through the main support plate 521, thereby driving the transmission gear 61 to rotate through the rack 65, and the transmission gear 61 can drive the internal threaded sleeve 62 to rotate synchronously, thereby driving the threaded rod 64 to move linearly along its axial direction, and the threaded rod 64 can push the mounting plate 51 to move synchronously in the horizontal direction, so that the two side clamping plates 57 on both sides move towards each other at the same time, so that the two sides of the prefabricated part can be clamped. At this time, there is no relative movement between the support plate 52 and the mounting plate 51 in the vertical direction. The bottom support of the support plate 52 cooperates with the lateral clamping of the side clamping plate 57, so that the prefabricated part can be quickly fixed. As the lifting module 2 continues to work, the prefabricated component can be lifted. During the whole process, the gravity of the prefabricated component enables the device to fix it stably.
[0032] When the prefabricated part is hoisted to the designated position, it is only necessary to place the prefabricated part on the supporting component, and then the hoisting module 2 is lowered for a certain distance so that the gravity of the prefabricated part no longer acts on the support plate 52, and the device will automatically remove the clamping effect on the prefabricated part, realizing the separation of the device and the prefabricated part. At this time, the support plate 52 is controlled to move away from the side, and the subsequent hoisting work can be carried out.
[0033] It is necessary to add that there are two ways to match prefabricated parts of different sizes: One is to keep the distance between the two columns 44 unchanged when the size difference between the prefabricated parts is small. Specifically, when the linear movement of the threaded rod 64 is sufficient to allow the side clamps 57 on both sides to smoothly contact and tighten with the side walls of the prefabricated parts, there is no need to frequently adjust the distance between the two columns 44 through the adjustment part 43. This is suitable for batch hoisting of prefabricated parts with small size differences.
[0034] The second is to adjust the distance between the two columns 44 through the adjusting member 43. At this time, due to the large size differences between the prefabricated parts, even if the threaded rod 64 moves to the extreme position (that is, when the positions of the two columns 44 remain unchanged and the distance between the two side clamps 57 is the smallest), the two side clamps 57 cannot abut against the side walls of the prefabricated parts. It is necessary to adjust the distance between the two columns 44 through the adjusting member 43 to ensure that the two side clamps 57 can smoothly abut against the side walls of the prefabricated parts.
[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A lifting device for safe bridge construction, comprising a top plate, on which a connecting frame is arranged, characterized in that: Also includes: The mounting module includes a mounting frame, and the top plate is also provided with a lifting module for lifting the mounting frame, the mounting frame is symmetrically provided with two sliding seats, and the sliding seats are slidably installed in the mounting frame, the bottom of each sliding seat is connected to a column, and the bottom of the mounting frame is also provided with an adjusting member for simultaneously driving the two columns to move toward or in opposite directions; A positioning module, wherein two groups of positioning modules are provided, and the two groups of positioning modules are respectively installed at the bottom of a column, and the two groups of positioning modules are symmetrically arranged, and the positioning module comprises a mounting plate installed at the bottom of the column, and the mounting plate is slidably installed on the column through a guide rod, and a first spring is arranged between the guide rod and the column, and when no external force is applied, the elastic force of the first spring will make the mounting plate abut against the column, and a support plate is arranged at the bottom of the mounting plate, and the column is also provided with a device for converting the linear motion of the support plate in the vertical direction into a mounting plate. A clamping unit for linear movement of a mounting plate in a horizontal direction, wherein the pallet comprises a main pallet and a flip pallet, and the flip pallet is rotatably mounted on the main pallet, and a reset torsion spring is also provided at the connection between the flip pallet and the main pallet, two connecting rods are symmetrically provided on both sides of the main pallet, and the connecting rods are slidably installed in the mounting plate in a vertical direction, a side clamp is slidably installed on the mounting plate in a vertical direction, a telescopic telescopic connecting rod is provided at the bottom of the side clamp, and the bottom of the telescopic connecting rod is slidably installed on the flip pallet in a horizontal direction.
2. The lifting equipment for safe bridge construction according to claim 1 is characterized in that: The lifting module includes a winding wheel installed on the top plate, and the top plate is also provided with a winding motor for driving the winding wheel to rotate, a lifting rope is wound on the winding wheel, a free end of the lifting rope is connected to a connecting column, and the connecting column is connected to the mounting frame.
3. The lifting equipment for safe bridge construction according to claim 1 is characterized in that: The mounting frame adopts a telescopic structure, and the mounting frame includes a main frame, and telescopic frames are symmetrically arranged at both ends of the main frame. The telescopic frames are of a U-shaped structure, and both ends of the telescopic frames are inserted into the main frame and connected by elastic parts.
4. The lifting equipment for safe bridge construction according to claim 1 is characterized in that: The adjusting member comprises two hydraulic telescopic rods symmetrically arranged at the bottom of the mounting frame, and the telescopic ends of the two hydraulic telescopic rods are respectively connected to a column.
5. The lifting equipment for safe bridge construction according to claim 1 is characterized in that: The clamping unit includes an internal threaded sleeve rotatably installed in the column, and a plug-in frame installed on the main support plate, the internal threaded sleeve is sleeved with a transmission gear, a threaded rod is installed inside the internal threaded sleeve, and one end of the threaded rod is rotatably installed on the mounting plate, the upper end of the plug-in frame is plugged into the column and connected to the inside of the column through a second spring, and the plug-in frame is also provided with a rack meshing with the transmission gear.
6. The lifting equipment for safe bridge construction according to claim 2, characterized in that: An auxiliary lifting unit is also arranged between the top plate and the mounting frame. The auxiliary lifting unit adopts a telescopic sleeve structure and can be extended and retracted only in the vertical direction.
7. The lifting equipment for safe bridge construction according to claim 6, characterized in that: The auxiliary lifting unit includes a first sleeve installed at the bottom of the top plate, a second sleeve is slidably installed in the first sleeve along the vertical direction, and the bottom of the second sleeve passes through the bottom wall of the first sleeve, a third sleeve is slidably installed in the second sleeve along the vertical direction, and the bottom of the third sleeve passes through the bottom wall of the second sleeve, a fourth sleeve is slidably installed in the third sleeve along the vertical direction, and the bottom of the fourth sleeve passes through the bottom wall of the third sleeve, the connecting column is slidably installed in the fourth sleeve along the vertical direction, and the bottom of the connecting column passes through the bottom wall of the fourth sleeve and is connected to the top of the mounting frame.
Citation Information
Patent Citations
gantry crane for transporting sleepers
AT15156U1
Lifting clamp
CA3141852A1
Double-mud-core safety sling capable of sliding in straight line mode
CN103771259A
Hoisting method for injection mold
CN108689307A
Bridge steel structure hoisting equipment
CN112623967A
