CN212670337U

CN212670337U - Hogging moment tensioning trolley

Info

Publication number: CN212670337U
Application number: CN202021357361.9U
Authority: CN
Inventors: 段志鹏; 杨同军; 秦尚友; 赵亮
Original assignee: Southwest Communication Construction Group Co ltd
Current assignee: Southwest Communication Construction Group Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-03-09
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a hogging moment stretch-draw platform truck relates to platform truck technical field, and work efficiency is not high when carrying out hogging moment stretch-draw for solving current constructor, and the low problem of security. The fixed bearing groove that is provided with in inside of frame, the fixed bearing that is provided with in inside of bearing groove, the inside of bearing is provided with the screw thread post, the screw thread is provided with the thread bush on the outer wall of screw thread post, and the thread bush rotates with the bearing to be connected, the fixed linking arm that is provided with in top of thread bush one side, the fixed operation platform that is provided with in below of screw thread post, the fixed spout that is provided with in inside of operation platform, and the spout is provided with two, the top of operation platform is provided with the slide, the slide passes through pulley and spout sliding connection, the fixed jack seat that is provided with on the slide, fixed mounting has stretch-draw jack on the jack seat.

Description

Hogging moment tensioning trolley

Technical Field

The utility model relates to a platform truck technical field specifically is a hogging moment stretch-draw platform truck.

Background

Hogging moment refers to hogging moment bar, and the reinforcing bar that sets up for resisting the hogging moment in the reinforced concrete component of building engineering is just called the hogging moment bar, often simply called "hogging bar" in the engineering, generally is often used for two positions: beam support ribs and plate negative bend ribs. And tensioning, namely prestress tensioning, wherein tension is applied to the member in advance, so that the prestressed tensioning member bears compressive stress, and further generates certain deformation to deal with the load borne by the structure. Before the engineering structural member bears external load, pretension stress is applied to the steel strands in the tension module, the bending resistance and rigidity of the member are improved, the occurrence time of cracks is delayed, and the durability of the member is improved. In the mechanical structure, the stress is generated in advance, and the advantages of the mechanical structure are that the rigidity of the structure can be improved, the vibration and the elastic deformation are reduced, the elastic strength of the tension module can be obviously improved, and the original resistance is stronger.

The working efficiency and safety of the existing constructors are low when the constructors stretch the steel plates with negative bending moment; therefore, the existing requirements are not met, and a hogging moment tensioning trolley is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hogging moment stretch-draw platform truck to solve the current constructor who provides among the above-mentioned background art work efficiency when carrying out hogging moment stretch-draw not high, and the low problem of security.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hogging moment stretch-draw platform truck, includes the frame, the fixed bearing groove that is provided with in inside of frame, the fixed bearing that is provided with in inside of bearing groove, the inside of bearing is provided with the screw thread post, the screw thread is provided with the thread bush on the outer wall of screw thread post, and the thread bush rotates with the bearing to be connected, the fixed linking arm that is provided with in top of thread bush one side, the fixed operation platform that is provided with in below of screw thread post, the fixed spout that is provided with in inside of operation platform, and the spout is provided with two, the top of operation platform is provided with the slide, the slide passes through pulley and spout sliding connection, the fixed jack seat that is provided with on the slide, fixed mounting has stretch-draw jack on the.

Preferably, a guard rail is fixedly arranged above the frame, pushing handles are fixedly arranged on two sides of the guard rail, and four roller groups are fixedly arranged below the frame.

Preferably, a handle is fixedly arranged above the connecting arm, a positioning pin is arranged inside the connecting arm, positioning holes are formed in the outer portion of the bearing groove, and twelve positioning holes are formed in the positioning holes.

Preferably, an annular sliding groove is fixedly arranged on the frame and is in sliding connection with a sliding block at the bottom of the connecting arm.

Preferably, electric push rods are fixedly arranged below two sides of the threaded column, one end of each electric push rod is fixedly connected with the sliding seat, and a rotating handle is fixedly arranged above the threaded column.

Preferably, both sides of the annular sliding groove are fixedly provided with tool boxes, and the front end and the rear end of the annular sliding groove are provided with through holes.

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

1. the utility model discloses a setting of handle can make the linking arm drive the thread bush and rotate in the bearing to make the screw thread post carry out elevating movement, the work platform of being convenient for can be close to the hogging moment muscle of treating the stretch-draw, through the cooperation of locating pin and locating hole, the linking arm of being convenient for is fixed a position with the frame after the stall, and the diversified nimble location of linking arm of being convenient for of setting up of a plurality of locating holes, through the sliding fit of annular spout and linking arm bottom slider, when making the linking arm drive the thread bush rotation, can consider more smoothly.

2. Through setting up the rail guard, the effect of protection has been played, constructor's safety has been improved, the instrument that constructor carried is convenient for place in the setting of toolbox, it is convenient to take, the through-hole is used for constructor to observe the gap between the T roof beam, so that the jack-to-jack can better aim at the position, through setting up electric putter, be convenient for carry out horizontal migration to the slide, a position for controlling jack-to-jack, make the hogging moment muscle can contact and penetrate in the jack-to-jack, be convenient for better carry out hogging moment stretch-draw construction.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic top view of the working platform of the present invention;

fig. 4 is a schematic side view of the guard rail of the present invention;

in the figure: 1. a frame; 2. protecting the fence; 3. a pushing handle; 4. a tool box; 5. a threaded post; 6. turning a handle; 7. a bearing groove; 8. a bearing; 9. a threaded sleeve; 10. a roller set; 11. an operation platform; 12. a chute; 13. a slide base; 14. a pulley; 15. a jack base; 16. tensioning a jack; 17. an electric push rod; 18. a through hole; 19. an annular chute; 20. positioning holes; 21. positioning pins; 22. a connecting arm; 23. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a hogging moment stretch-draw platform truck, which comprises a vehicle rack 1, the fixed bearing groove 7 that is provided with in inside of frame 1, the fixed bearing 8 that is provided with in inside of bearing groove 7, the inside of bearing 8 is provided with screw post 5, the screw thread is provided with thread bush 9 on the outer wall of screw post 5, and thread bush 9 rotates with bearing 8 to be connected, the fixed linking arm 22 that is provided with in top of thread bush 9 one side, the fixed operation platform 11 that is provided with in below of screw post 5, the fixed spout 12 that is provided with in inside of operation platform 11, and spout 12 is provided with two, the top of operation platform 11 is provided with slide 13, slide 13 passes through pulley 14 and spout 12 sliding connection, pulley 14 makes slide 13 and spout 12 gliding more steady, the fixed jack seat 15 that is provided with on the slide 13, fixed mounting has stretch-draw jack 16.

Further, a guard railing 2 is fixedly arranged above the frame 1, pushing hands 3 are fixedly arranged on two sides of the guard railing 2, roller groups 10 are fixedly arranged below the frame 1, the four roller groups 10 are arranged, the guard railing 2 plays a role in protection, safety of constructors is improved, and the pushing hands 3 and the roller groups 10 are matched to facilitate stable movement of the whole trolley.

Further, the fixed handle 23 that is provided with in top of connecting arm 22, the inside of connecting arm 22 is provided with locating pin 21, and the outside of bearing groove 7 is provided with locating hole 20, and locating hole 20 is provided with twelve, and handle 23 is convenient for drive connecting arm 22 and rotates, through the cooperation of locating pin 21 with locating hole 20, is convenient for the location of connecting arm 22 and frame 1, and the diversified nimble location of connecting arm 22 of being convenient for of the setting of a plurality of locating holes 20.

Further, an annular sliding groove 19 is fixedly arranged on the frame 1, the annular sliding groove 19 is connected with the sliding block at the bottom of the connecting arm 22 in a sliding mode, and the connecting arm 22 drives the threaded sleeve 9 to rotate more stably and smoothly through sliding fit of the annular sliding groove 19 and the sliding block at the bottom of the connecting arm 22.

Further, the electric push rod 17 is fixedly arranged below two sides of the threaded column 5, one end of the electric push rod 17 is fixedly connected with the sliding seat 13, the rotary handle 6 is fixedly arranged above the threaded column 5, the electric push rod 17 is convenient to horizontally move the sliding seat 13 and is used for controlling the position of the tensioning jack 16, negative moment tensioning construction is convenient to perform better, and the rotary handle 6 is convenient to drive the threaded column 5 to rotate.

Further, the both sides of annular spout 19 are all fixed and are provided with toolbox 4, and the front end and the rear end of annular spout 19 all are provided with through-hole 18, and toolbox 4 is convenient for place the instrument that constructor carried, and the convenience of taking, through-hole 18 are convenient for the constructor to observe the gap between the T roof beam.

The working principle is as follows: when the device is used, a constructor enables a trolley to move on a T-shaped beam flange plate through the push handle 3 and the roller group 10, then the constructor enters and stands on the frame 1 through gaps on two sides of the protective guard 2, the tool box 4 is convenient to place tools carried by the constructor and is convenient to take, the through hole 18 is used for the constructor to observe a gap between the T-shaped beams, so that the tensioning jack 16 can be well aligned with the position, the connecting arm 22 can drive the threaded sleeve 9 to rotate in the bearing 8 through the rotating handle 23, so that the threaded column 5 can perform lifting motion, the operation platform 11 can be close to a negative bending moment rib to be tensioned, the connecting arm 22 can be conveniently positioned with the frame 1 after stopping rotating through the matching of the positioning pin 21 and the positioning hole 20, the arrangement of the positioning holes 20 is convenient for multidirectional flexible positioning of the connecting arm 22, and the sliding fit of the annular sliding chute 19 and a sliding block at the bottom of, when the connecting arm 22 is made to drive the threaded sleeve 9 to rotate, the connecting arm can be more stable and smooth, the rotating handle 6 is rotated, the threaded column 5 is driven to rotate, the tensioning jack 16 on the operation platform can be aligned to a hogging moment rib to be tensioned, the sliding base 13 is conveniently horizontally moved by starting the electric push rod 17, the position of the tensioning jack 16 is controlled, the hogging moment rib can be made to contact and penetrate into the tensioning jack 16, and hogging moment tensioning construction is better facilitated.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a hogging moment stretch-draw platform truck, includes frame (1), its characterized in that: the inner fixing device is characterized in that a bearing groove (7) is fixedly arranged in the frame (1), a bearing (8) is fixedly arranged in the bearing groove (7), a threaded column (5) is arranged in the bearing (8), a threaded sleeve (9) is arranged on the outer wall of the threaded column (5) in a threaded manner, the threaded sleeve (9) is rotatably connected with the bearing (8), a connecting arm (22) is fixedly arranged above one side of the threaded sleeve (9), an operation platform (11) is fixedly arranged below the threaded column (5), sliding grooves (12) are fixedly arranged in the operation platform (11), two sliding grooves (12) are arranged, a sliding seat (13) is arranged above the operation platform (11), the sliding seat (13) is slidably connected with the sliding grooves (12) through a pulley (14), and a jack seat (15) is fixedly arranged on the sliding seat (13), and a tensioning jack (16) is fixedly arranged on the jack seat (15).

2. The hogging moment tensioning trolley of claim 1, wherein: the vehicle frame is characterized in that a protective guard (2) is fixedly arranged above the vehicle frame (1), pushing hands (3) are fixedly arranged on two sides of the protective guard (2), four roller groups (10) are fixedly arranged below the vehicle frame (1), and the number of the roller groups (10) is four.

3. The hogging moment tensioning trolley of claim 1, wherein: the handle (23) is fixedly arranged above the connecting arm (22), the positioning pin (21) is arranged inside the connecting arm (22), the positioning holes (20) are formed in the outer portion of the bearing groove (7), and twelve positioning holes (20) are formed in the positioning holes (20).

4. The hogging moment tensioning trolley of claim 1, wherein: an annular sliding groove (19) is fixedly arranged on the frame (1), and the annular sliding groove (19) is connected with a sliding block at the bottom of the connecting arm (22) in a sliding manner.

5. The hogging moment tensioning trolley of claim 1, wherein: the screw thread post (5) both sides below all fixedly provided with electric putter (17), the one end and slide (13) fixed connection of electric putter (17), the fixed swing handle (6) that is provided with in top of screw thread post (5).

6. The hogging moment tensioning trolley of claim 4, wherein: the tool boxes (4) are fixedly arranged on two sides of the annular sliding groove (19), and through holes (18) are formed in the front end and the rear end of the annular sliding groove (19).