CN218024960U

CN218024960U - Main arch rib safety hoisting structure

Info

Publication number: CN218024960U
Application number: CN202222011351.5U
Authority: CN
Inventors: 戴延廷; 刘星; 韩军; 赵宁; 闫宁; 王龙宇; 张斌; 李佳佳; 张广雷; 张珺
Original assignee: Shandong Highway And Bridge Construction Group Bridge Technology Co ltd; Shandong Road and Bridge Construction Group Co Ltd
Current assignee: Shandong Highway And Bridge Construction Group Bridge Technology Co ltd; Shandong Road and Bridge Construction Group Co Ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-12-13
Anticipated expiration: 2032-08-01

Abstract

The application relates to the field of bridge construction, in particular to a main arch rib safety hoisting structure which comprises a crane and a hoisting device, wherein the hoisting device is arranged at the hoisting end of the crane; the hoisting device comprises a mounting plate, a locking assembly and two clamping assemblies, wherein the hoisting end and the two clamping assemblies of the crane are respectively arranged on two sides of the mounting plate, and the locking assembly is arranged on the two clamping assemblies; two the centre gripping subassembly is used for adjusting distance and angle between self and is used for centre gripping main arch rib, the locking subassembly is used for sliding the locking to two centre gripping subassemblies. This application has the effect that promotes main arch rib's hoist and mount efficiency.

Description

Main arch rib safety hoisting structure

Technical Field

The application relates to the field of bridge construction, in particular to a safe hoisting structure for a main arch rib.

Background

The steel arch bridge is characterized in that a steel arch is used as a main structural bearing component in a vertical plane, and a main arch rib is a steel skeleton of a steel main arch ring. The hoisting refers to a general term of installation and positioning of equipment by a crane or other hoisting mechanisms, and equipment, workpieces, materials and the like are hoisted by the hoisting mechanisms in the construction or overhaul process to change the positions of the equipment, the workpieces, the materials and the like.

The main arch rib of steel arch bridge often adopts the mode of concatenation to hoist through hoisting mechanism, nevertheless because main arch rib has the radian, and the hoist and mount angle diverse of the main arch rib of every concatenation, the angle when the main arch rib that articulates in the couple articulates is difficult to control to lead to the hoist and mount of main arch rib comparatively difficult, and then lead to the hoist and mount efficiency to main arch rib to reduce.

SUMMERY OF THE UTILITY MODEL

In order to promote the hoist and mount efficiency of main arch rib, this application provides a main arch rib safety hoisting structure.

The application provides a main arch rib safety hoisting structure adopts following technical scheme:

a main arch rib safety hoisting structure comprises a crane and a hoisting device, wherein the hoisting device is arranged at the hoisting end of the crane; the hoisting device comprises a mounting plate, a locking assembly and two clamping assemblies, wherein the hoisting end and the two clamping assemblies of the crane are respectively arranged on two sides of the mounting plate, and the locking assembly is arranged on the two clamping assemblies; two the centre gripping subassembly is used for adjusting distance and angle between self and is used for centre gripping main arch rib, the locking subassembly is used for sliding the locking to two centre gripping subassemblies.

By adopting the technical scheme, when the main arch rib is hoisted, an operator only starts the crane, moves the hoisting end of the crane to the position above the main arch rib to be hoisted, then adjusts the distance and the angle between the two clamping assemblies, and locks the distance and the clamping angle between the two clamping assemblies through the locking assembly so as to adapt to the main arch ribs with different sizes, different radians and different installation angles; then the main arch rib is clamped by the two clamping assemblies, and the crane is started to move the main arch rib, so that the hoisting angle of the main arch rib is controlled, and the hoisting efficiency of the main arch rib is improved.

Optionally, the clamping assembly includes a driving motor, a connecting column, a connecting block, a screw rod and two clamping blocks; one end of the connecting column slides and is rotatably connected to one side of the mounting plate far away from the hoisting end of the crane, and the other end of the connecting column is fixedly connected with one end of the connecting block; two ends of the locking assembly are respectively arranged on the two connecting columns; the other end of the connecting block is provided with a second sliding groove, the screw rod and the two clamping blocks are arranged in the second sliding groove, and parts of the clamping blocks extend out of the second sliding groove; the one end of screw rod runs through two clamp splice in proper order and slides the inside wall rotation of recess with the second and be connected, the intercommunicating pore has been seted up to the connecting block, driving motor sets up in the connecting block, the other end of screw rod wear to establish the intercommunicating pore and with driving motor's the coaxial fixed connection of drive shaft, the screw thread at screw rod both ends is opposite setting.

By adopting the technical scheme, when the main arch rib is hoisted, the hoisting end of the crane is moved to the position above the main arch rib to be hoisted, and then the two connecting columns are slid to adjust the distance between the two connecting columns, so that the distance between the two clamping blocks on one connecting block and the distance between the two clamping blocks on the other connecting block are adjusted to adapt to the main arch ribs with different sizes; then the two connecting columns are rotated through the two connecting rods to adjust the angle of the clamping block, so that the radian of the main arch rib is adapted; then, the distance and the angle between the two connecting columns are locked through a locking assembly, so that the angles and the intervals of the two groups of clamping blocks clamping the main arch ribs are fixed; then start driving motor, driving motor drives the coaxial rotation of screw rod, and pivoted screw rod drives two clamp splice and is close to each other to press from both sides main arch rib, then the hoist and mount main arch rib, thereby control the hoist and mount angle of main arch rib, and then promote the hoist and mount efficiency of main arch rib.

Optionally, the locking assembly comprises a locking rod and two connecting rods; one end of the connecting rod is arranged on the side wall of the connecting column, and the other end of the connecting rod is provided with a plurality of first connecting holes; a locking bolt is arranged between the two connecting rods and is used for connecting the two connecting rods through one of the first connecting holes of one of the connecting rods and one of the first connecting holes of the other connecting rod; and two ends of the locking rod are respectively connected with the two connecting rod bolts.

Through adopting above-mentioned technical scheme, when carrying out the locking to the distance between two spliced poles, only need connect two connecting rods to fix two connecting rods through the locking pole, thereby fix the distance between two connecting blocks, thereby the distance between the clamp splice is fixed.

Optionally, a sliding rod is arranged between the two clamping blocks, two ends of the sliding rod penetrate through the two sliding blocks respectively, and two ends of the sliding rod are arranged on opposite sides in the second sliding groove respectively.

Through adopting above-mentioned technical scheme, when two clamp splices removed, the pole that slides was used for guiding two poles that slide to the stationarity when improving two clamp splices and removing.

Optionally, the adjacent sides of the two clamping blocks are provided with anti-slip lines.

Through adopting above-mentioned technical scheme, the frictional force between clamp splice and the main arch rib can be increased to the antiskid line to improve the stability of clamp splice centre gripping.

Optionally, the adjacent sides of the two clamping blocks are provided with anti-slip pads with elasticity.

Through adopting above-mentioned technical scheme, the slipmat can produce elastic deformation when pressing from both sides and getting main arch rib to compactness when increasing two clamp splice centre grippings, thereby stability when improving the clamp splice centre gripping.

Optionally, one end of the screw rod penetrating through the communication hole is sleeved with a bearing, and the outer side wall of the bearing is fixedly connected with the side wall of the communication hole.

Through adopting above-mentioned technical scheme, the bearing can support the screw rod to improve the stationarity of screw rod when rotating.

Optionally, a rotating groove is formed in one side, close to the connecting column, of the clamping block, a rotating ball is arranged in the rotating groove, and the rotating ball abuts against the side wall of the top end in the rotating groove.

Through adopting above-mentioned technical scheme, when the clamp splice removed, rotate the ball and can rotate, rotate the ball and be used for reducing the resistance when the clamp splice removed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the main arch rib is hoisted, only the crane is started to move the hoisting end of the crane to the position above the main arch rib to be hoisted, then the distance and the angle between the two clamping assemblies are adjusted, and the distance and the clamping angle between the two clamping assemblies are locked through the locking assembly so as to adapt to the main arch ribs with different sizes, different radians and different installation angles; then the main arch rib is clamped by the two clamping assemblies, and the crane is started to move the main arch rib, so that the hoisting angle of the main arch rib is controlled, and the hoisting efficiency of the main arch rib is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a hoisting device in the embodiment of the present application.

Fig. 3 is a schematic sectional view of a connecting block according to an embodiment of the present invention.

Reference numerals are as follows: 1. a crane; 2. hoisting the device; 21. mounting a plate; 22. a clamping assembly; 221. a clamping block; 222. a drive motor; 223. connecting columns; 224. connecting blocks; 225. a screw; 226. a first sliding groove; 227. a second sliding groove; 228. a non-slip mat; 229. a bearing; 23. a locking assembly; 232. a connecting rod; 233. a lock lever; 234. a first connection hole; 24. a slide bar; 25. the ball is rotated.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses main arch rib safety hoisting structure.

Referring to fig. 1, the main arch rib safety hoisting structure includes a crane 1 for hoisting and a hoisting device 2 for hoisting the main arch rib. The hoisting device 2 is arranged at the hoisting end of the crane 1.

Referring to fig. 1 and 2, the hoisting device 2 comprises a mounting plate 21 for connecting the hoisting end of the crane 1, two clamping assemblies 22 for adjusting the distance and angle between the two clamping assemblies and clamping the main arch rib, and a sliding lock for the two clamping assemblies 22. One side of mounting panel 21 and hoist end fixed connection of hoist 1, two centre gripping subassemblies 22 are the symmetry and set up in the opposite side of mounting panel 21, and locking subassembly 23 sets up on two centre gripping subassemblies 22.

When the main arch rib is hoisted, an operator only needs to adjust the distance and the angle between the two clamping assemblies 22 and lock the distance and the angle between the two clamping assemblies 22 through the locking assembly 23 so as to adapt to the main arch ribs with different sizes; then the main arch rib is clamped and fixed by two clamping components 22; and finally, hoisting the main arch rib by a crane 1.

Referring to fig. 2, the clamping assembly 22 includes two clamping blocks 221 for clamping the main ribs, a driving motor 222 for driving the two clamping blocks 221 to approach or separate from each other, a connection column 223 for connection, a connection block 224, and a screw 225. First recess 226 that slides has been seted up along the direction of self length to the lower surface of mounting panel 21, and the one end of spliced pole 223 slides and connects in first recess 226 that slides, and spliced pole 223 can be at the first recess 226 internal rotation that slides, and the one end rotation of the other end and connecting block 224 is connected. Connecting block 224's the other end has been seted up the second and has been slided recess 227, and two clamp splice 221 and screw rod 225 all set up in the second recess 227 that slides, and screw rod 225's one end runs through two clamp splice 221 in proper order and slides the inside wall rotation of recess 227 with the second and be connected, and the screw thread at screw rod 225 both ends is opposite setting, and two clamp splice 221 are and set up side by side. A communication hole communicated with the second sliding groove 227 is formed in one side of the connecting block 224, the driving motor 222 is installed on the outer wall of the connecting block 224, and the other end of the screw 225 penetrates through the communication hole and the end face of the screw is coaxially and fixedly connected with a driving shaft of the driving motor 222. When the driving motor 222 works, the driving motor 222 drives the screw 225 to rotate coaxially, thereby driving the two clamping blocks 221 to approach or move away from each other.

Referring to fig. 2 and 3, the adjacent sides of the two clamping blocks 221 are respectively provided with anti-slip threads, and the adjacent sides of the two clamping blocks 221 are respectively bonded with an anti-slip pad 228, and the anti-slip pad 228 has elasticity. The anti-slip patterns can increase the friction force of the two clamping blocks 221 when clamping the main arch rib, and the anti-slip pads 228 can generate elastic deformation when clamping the main arch rib, so that the tightness of the two clamping blocks 221 during clamping is increased, and the stability of the clamping blocks 221 during clamping is improved. In the present embodiment, the non-slip pad 228 is made of rubber. Meanwhile, a bearing 229 is sleeved at one end of the screw 225 penetrating through the communication hole to improve the stability of the screw 225 during rotation.

Referring to fig. 2, a sliding rod 24 is arranged between the two clamping blocks 221, two ends of the sliding rod 24 penetrate through the two clamping blocks 221 respectively, end faces of two ends of the sliding rod 24 are fixedly connected with opposite side walls in the second sliding groove 227 respectively, and when the two clamping blocks 221 move, the sliding rod 24 is used for guiding the two sliding rods 24, so that the stability of the two clamping blocks 221 during moving is improved.

Referring to fig. 2 and 3, the upper surfaces of the two clamping blocks 221 are respectively provided with a rotation groove, a rotation ball 25 is arranged in the rotation groove, the side wall on one side of the rotation ball 25 is abutted to the side wall of the top end in the rotation groove, the side wall on the other side of the rotation ball 25 is abutted to the inner wall on one side of the second sliding groove 227 close to the connecting column 223, when the clamping blocks 221 move, the rotation ball 25 can rotate, and the rotation ball 25 is used for reducing resistance when the clamping blocks 221 move.

Referring to fig. 2, the latching assembly 23 includes two connecting rods 232 for connection and a latching lever 233 for latching. The two connecting rods 232 are welded to the adjacent sides of the outer sidewalls of the two connecting posts 223 one by one. And one end of the connecting rod 232 far away from the connecting column 223 is provided with a plurality of first connecting holes 234, and the plurality of first connecting holes 234 are arranged along the length extending direction of the connecting rod 232. A locking bolt is provided between the two links 232, and the locking bolt bolts the two links 232 through one of the first connection holes 234 of one of the links 232 and one of the first connection holes 234 of the other link 232. The two ends of the locking rod 233 are respectively provided with a second connecting hole, and the two ends of the locking rod 233 are respectively bolted with the two connecting rods 232 through the two second connecting holes.

The implementation principle of the safe hoisting structure of the main arch rib in the embodiment of the application is as follows: when the main arch rib is hoisted, firstly, the hoisting end of the crane 1 is moved to the position above the main arch rib to be hoisted, and then the two connecting columns 223 are slid to adjust the distance between the two connecting columns 223, so that the distance between the two clamping blocks 221 on one connecting block 224 and the distance between the two clamping blocks 221 on the other connecting block 224 are adjusted to adapt to the main arch ribs with different sizes; then, the two connecting rods 232 are fixed through the locking rods 233, so that the distance between the two connecting columns 223 is fixed, and the distance between the clamping blocks 221 for clamping the main arch ribs is fixed; then, the two connecting blocks 224 are rotated to adjust the angle of the clamping block 221 so as to adapt to the radian of the main arch rib;

then, the driving motor 222 is started, the driving motor 222 drives the screw 225 to coaxially rotate, the rotating screw 225 drives the two clamping blocks 221 to approach each other, so that the main arch rib is clamped, then the crane 1 hoists the main arch rib, so that the hoisting angle of the main arch rib is controlled, and the hoisting efficiency of the main arch rib is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a main arch rib safety hoisting structure, includes hoist (1), its characterized in that: the hoisting device (2) is arranged at the hoisting end of the crane (1); the hoisting device (2) comprises a mounting plate (21), a locking assembly (23) and two clamping assemblies (22), the hoisting end of the crane (1) and the two clamping assemblies (22) are respectively arranged on two sides of the mounting plate (21), and the locking assembly (23) is arranged on the two clamping assemblies (22); two centre gripping subassembly (22) are used for adjusting distance and angle between itself and are used for the centre gripping main rib, locking subassembly (23) are used for sliding the locking to two centre gripping subassemblies (22).

2. A main arch rib safety hoisting structure according to claim 1, wherein: the clamping assembly (22) comprises a driving motor (222), a connecting column (223), a connecting block (224), a screw rod (225) and two clamping blocks (221); one end of the connecting column (223) is connected to one side, away from the hoisting end of the crane (1), of the mounting plate (21) in a sliding and rotating mode, and the other end of the connecting column is connected with one end of the connecting block (224) in a rotating mode; two ends of the locking assembly (23) are respectively arranged on the two connecting columns (223); a second sliding groove (227) is formed in the other end of the connecting block (224), the screw (225) and the two clamping blocks (221) are arranged in the second sliding groove (227), and parts of the clamping blocks (221) extend out of the second sliding groove (227); the one end of screw rod (225) runs through two clamp splice (221) in proper order and slides the inside wall rotation connection of recess (227) with the second, the intercommunicating pore has been seted up in connecting block (224), driving motor (222) set up in connecting block (224), the intercommunicating pore is worn to establish by the other end of screw rod (225) and the coaxial fixed connection of drive shaft with driving motor (222), the screw thread at screw rod (225) both ends is opposite setting.

3. A main arch rib safety hoisting structure according to claim 2, wherein: the locking assembly (23) comprises a locking rod (233) and two connecting rods (232); one end of the connecting rod (232) is arranged on the side wall of the connecting column (223), and the other end of the connecting rod is provided with a plurality of first connecting holes (234); a locking bolt is arranged between the two connecting rods (232), and the locking bolt is used for connecting the two connecting rods (232) through one of the first connecting holes (234) of one of the connecting rods (232) and one of the first connecting holes (234) of the other connecting rod (232); two ends of the locking rod (233) are respectively connected with the two connecting rods (232) through bolts.

4. A main arch rib safety hoisting structure according to claim 2, wherein: a sliding rod (24) is arranged between the two clamping blocks (221), two ends of the sliding rod (24) penetrate through the two sliding blocks respectively, and two ends of the sliding rod (24) are arranged on the opposite sides in the second sliding groove (227) respectively.

5. A main arch rib safety hoisting structure according to claim 4, characterized in that: the adjacent sides of the two clamping blocks (221) are provided with anti-skid lines.

6. A main arch rib safety hoisting structure according to claim 4, characterized in that: and elastic anti-slip pads (228) are arranged on the adjacent sides of the two clamping blocks (221).

7. A main arch rib safety hoisting structure according to claim 2, characterized in that: one end of the screw rod (225) penetrating through the communicating hole is sleeved with a bearing (229), and the outer side wall of the bearing (229) is fixedly connected with the side wall of the communicating hole.

8. A main arch rib safety hoisting structure according to claim 2, wherein: one side of the clamping block (221), which is close to the connecting column (223), is provided with a rotating groove, a rotating ball (25) is arranged in the rotating groove, and the rotating ball (25) is abutted to the side wall of the inner top end of the rotating groove.