CN219638434U

CN219638434U - Prestress tensioning device with force measuring function

Info

Publication number: CN219638434U
Application number: CN202223329653.3U
Authority: CN
Inventors: 潘龙; 杨文�
Original assignee: Jiangsu Puetu Electromechanical Technology Co ltd
Current assignee: Jiangsu Puetu Electromechanical Technology Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-09-05
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a prestress tensioning device with a force measuring function, which comprises a base, wherein a supporting frame is fixedly arranged on the top surface of the base, a sliding groove is formed in the surface of the supporting frame, and a sliding block is arranged on the surface of the sliding groove in a sliding manner. The output end of the adjusting motor is rotated to drive the second rotating shaft to rotate, and then the first bevel gear is driven to rotate, so that the second bevel gear is driven to rotate, the threaded rod is driven to rotate, the movable block is driven to move, the installation seat is driven to move, the position precision of the tensioning machine can be improved, the working efficiency is improved, the limiting rod is driven to move through the pulling fixed block, the limiting rod is separated from the limiting hole, the tensioning machine can be disassembled, the limiting rod is driven to move through the action of the spring, the limiting rod enters the limiting hole, the tensioning machine can be fixed, and the tensioning force of the tensioning machine can be accurately measured through the set dynamometer.

Description

Prestress tensioning device with force measuring function

Technical Field

The utility model relates to the technical field of prestress tensioning devices, in particular to a prestress tensioning device with a force measuring function.

Background

The prestress tensioning is to add tension in advance in the component, so that the component subjected to prestress tensioning bears compressive stress, and further the component is subjected to certain deformation to cope with loads born by the structure, including loads of the component, wind loads, snow loads, earthquake loads and the like, and the steel stranded wires, the jacks, the anchor plates and the clamping pieces are generally tensioned.

Before the engineering structural member bears external load, pre-stressing force is applied to the steel strands in the tension module, so that the bending resistance and rigidity of the member are improved, the occurrence time of cracks is delayed, the durability of the member is improved, the conventional pre-stressing tension device is inconvenient to flexibly adjust the position of the tension machine, time and labor are wasted, and meanwhile, the tension machine cannot be quickly installed and detached, so that the working efficiency is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a prestress tensioning device with a force measuring function, which solves the problems in the background art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a take prestressing force tensioning device of dynamometry function, includes the base, the top surface fixed mounting of base has the support frame, the spout has been seted up on the surface of support frame, the surface sliding mounting of spout has the slider, the one end fixed mounting of slider has the workstation, the bottom surface of workstation is provided with elevating system, the top surface of workstation is provided with adjustment mechanism, the top surface fixed mounting of movable block has the fly leaf, the top surface slidable mounting of fly leaf has the mount pad, the top surface of mount pad is provided with the stretch-draw machine, through connecting block fixedly connected with dynamometer between stretch-draw machine's the flexible end and the casing, the top surface of mount pad is provided with fixed establishment.

Preferably, the elevating system includes elevator motor, safety cover, worm, first pivot, worm wheel and gear, elevator motor is fixed mounting to the bottom surface of workstation, the bottom surface fixed mounting of workstation has the safety cover, elevator motor's output runs through a lateral wall of safety cover and fixedly connected with worm, the inside rotation of safety cover installs first pivot, the fixed surface of first pivot installs the worm wheel, the fixed surface of first pivot installs the gear, one side fixed mounting of support frame has the rack bar, through elevating system's setting, is convenient for adjust the height of stretch-draw machine.

Preferably, a toothed bar is fixedly arranged on one side of the supporting frame, the gears are meshed with the toothed bar, and the workbench can be moved when the gears rotate through the arrangement of the gears and the toothed bar.

Preferably, the adjustment mechanism includes accommodate motor, second pivot, first conical gear, threaded rod, second conical gear and movable block, one side fixed mounting of workstation has accommodate motor, accommodate motor's output runs through a lateral wall of workstation and fixedly connected with second pivot, the one end fixed mounting of second pivot has first conical gear, the internally mounted of workstation has the threaded rod, the fixed surface of threaded rod installs second conical gear, the surface screw thread of threaded rod installs movable block, through accommodate mechanism's setting, the position of stretch-draw machine of being convenient for adjust.

Preferably, the first conical gear and the second conical gear have the same size, and the first conical gear and the second conical gear are meshed with each other, and the second rotating shaft drives the first conical gear to rotate so as to drive the second conical gear to rotate, so that the movable block moves.

Preferably, the fixing mechanism comprises a limit rod, a fixing block and a spring, the surface of the mounting seat is slidably inserted with the limit rod, the top end of the limit rod is fixedly provided with the fixing block, the bottom surface of the fixing block is fixedly provided with the spring, and the tensioning machine is convenient to mount and dismount through the arrangement of the fixing mechanism.

Preferably, the surface of the movable plate is provided with a limiting hole, the limiting rod and the limiting hole are correspondingly arranged, and the limiting rod is inserted into the limiting hole so as to be convenient for fixing the tensioning machine.

Compared with the prior art, the utility model has the beneficial effects that: this take prestressing force tensioning equipment of dynamometry function, through elevating system's setting, can be convenient for adjust the height of stretch-draw machine, output through accommodate motor rotates and drives the second pivot and rotate, and then drive first bevel gear and rotate, make second bevel gear rotate, drive the threaded rod and rotate, make the movable block remove, and then drive the fly leaf and remove, make the mount pad remove, can improve the position accuracy of stretch-draw machine, improve work efficiency, drive the gag lever post through pulling fixed block and remove, make the gag lever post break away from the spacing hole, can dismantle the stretch-draw machine, drive the gag lever post through the effect of spring and remove, make the gag lever post enter into in the spacing hole, can accomplish the fixed to the stretch-draw machine, the dynamometer through setting, can carry out accurate measurement to the stretch-draw dynamics of stretch-draw machine.

Drawings

FIG. 1 is a schematic illustration of the structure of the present utility model;

FIG. 2 is a schematic view of a first cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a second cross-sectional view of the present utility model;

fig. 4 is a schematic structural view of the enlarged view of the portion a of the present utility model.

In the figure: 1. a base; 2. a support frame; 3. a chute; 4. a slide block; 5. a work table; 6. a lifting motor; 7. a protective cover; 8. a worm; 9. a first rotating shaft; 10. a worm wheel; 11. a gear; 12. a toothed bar; 13. adjusting a motor; 14. a second rotating shaft; 15. a first bevel gear; 16. a threaded rod; 17. a second bevel gear; 18. a movable block; 19. a movable plate; 20. a mounting base; 21. a stretching machine; 22. a load cell; 23. a limit rod; 24. a fixed block; 25. a spring; 26. and a limiting hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-4, the utility model provides a technical scheme, a prestress tension device with a force measuring function, which comprises a base 1, wherein a support frame 2 is fixedly arranged on the top surface of the base 1, a chute 3 is arranged on the surface of the support frame 2, a sliding block 4 is arranged on the surface of the chute 3 in a sliding manner, a workbench 5 is fixedly arranged at one end of the sliding block 4, a lifting mechanism is arranged on the bottom surface of the workbench 5, the lifting mechanism comprises a lifting motor 6, a protective cover 7, a worm 8, a first rotating shaft 9, a worm wheel 10 and a gear 11, the lifting motor 6 is fixedly arranged on the bottom surface of the workbench 5, the protective cover 7 is fixedly arranged on the bottom surface of the workbench 5, the output end of the lifting motor 6 penetrates through one side wall of the protective cover 7 and is fixedly connected with a worm 8, a first rotating shaft 9 is rotatably arranged in the protective cover 7, the worm wheel 10 is fixedly arranged on the surface of the first rotating shaft 9, the gear 11 is fixedly arranged on the surface of the first rotating shaft 9, a toothed bar 12 is fixedly arranged on one side of the support frame 2, the height of the tensioning machine 21 is convenient to adjust through the arrangement of a lifting mechanism, the toothed bar 12 is fixedly arranged on one side of the support frame 2, the gear 11 is meshed with the toothed bar 12, the workbench 5 is moved when the gear 11 rotates through the arrangement of the gear 11 and the toothed bar 12, an adjusting mechanism is arranged on the top surface of the workbench 5 and comprises an adjusting motor 13, a second rotating shaft 14, a first conical gear 15, a threaded rod 16, a second conical gear 17 and a movable block 18, the adjusting motor 13 is fixedly arranged on one side of the workbench 5, the output end of the adjusting motor 13 penetrates through one side wall of the workbench 5 and is fixedly connected with a second rotating shaft 14, a first conical gear 15 is fixedly arranged at one end of the second rotating shaft 14, the threaded rod 16 is rotatably arranged inside the workbench 5, the surface of the threaded rod 16 is fixedly provided with a second conical gear 17, the surface of the threaded rod 16 is provided with a movable block 18 in a threaded manner, the position of the tensioning machine 21 is convenient to adjust through the arrangement of an adjusting mechanism, the first conical gear 15 and the second conical gear 17 are the same in size, the first conical gear 15 and the second conical gear 17 are meshed with each other, the second rotating shaft 14 drives the first conical gear 15 to rotate, the second conical gear 17 is further driven to rotate, the movable block 18 moves, the top surface of the movable block 18 is fixedly provided with a movable plate 19, the top surface of the movable plate 19 is slidably provided with a mounting seat 20, the top surface of the mounting seat 20 is provided with the tensioning machine 21, a dynamometer 22 is fixedly connected between a telescopic end of the tensioning machine 21 and a shell through a connecting block, the top surface of the mounting seat 20 is provided with a fixing mechanism, the fixing mechanism comprises a limiting rod 23, a fixing block 24 and a spring 25, the surface of the mounting seat 20 is slidably inserted with a limiting rod 23, the top end of the limiting rod 23 is fixedly provided with a fixed block 24, the bottom surface of the fixed block 24 is fixedly provided with a spring 25, through the arrangement of a fixing mechanism, the tensioning machine 21 is conveniently mounted and dismounted, the surface of the movable plate 19 is provided with a limiting hole 26, the limiting rod 23 and the limiting hole 26 are correspondingly arranged, through the arrangement of a lifting mechanism, the limiting rod 23 is inserted into the limiting hole 26, the tensioning machine 21 is conveniently fixed, the height of the tensioning machine 21 can be conveniently adjusted, the output end of the adjusting motor 13 is rotated to drive the second rotating shaft 14 to rotate so as to drive the first conical gear 15 to rotate, the second conical gear 17 is rotated to drive the threaded rod 16 to rotate, the movable block 18 is moved so as to drive the movable plate 19 to move, the mounting seat 20 is moved, and the position precision of the tensioning machine 21 can be improved, the work efficiency is improved, the limiting rod 23 is driven to move by pulling the fixing block 24, the limiting rod 23 is separated from the limiting hole 26, the tensioning machine 21 can be disassembled, the limiting rod 23 is driven to move by the action of the spring 25, the limiting rod 23 enters into the limiting hole 26, the tensioning machine 21 can be fixed, and the tensioning force of the tensioning machine 21 can be accurately measured by the aid of the arranged dynamometer 22.

When in use: the output end of the lifting motor 6 rotates to drive the worm 8 to rotate, and then the worm wheel 10 is driven to rotate, so that the first rotating shaft 9 rotates, and then the gear 11 is driven to rotate, under the arrangement of the gear 11 and the toothed bar 12, the workbench 5 moves, and then the height of the tensioning machine 21 can be adjusted, the output end of the adjusting motor 13 rotates to drive the second rotating shaft 14 to rotate, and then the first bevel gear 15 is driven to rotate, the second bevel gear 17 rotates, the threaded rod 16 is driven to rotate, the movable block 18 moves, and then the movable plate 19 moves, the mounting seat 20 moves, the position accuracy of the tensioning machine 21 can be improved, the working efficiency is improved, the fixed block 24 is pulled to drive the limiting rod 23 to move, the limiting rod 23 is separated from the limiting hole 26, the tensioning machine 21 can be detached, the limiting rod 23 enters into the limiting hole 26, the tensioning machine 21 can be fixed, and the tensioning force of the tensioning machine 21 can be accurately measured through the set dynamometer 22.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The prestress tensioning device with the force measuring function comprises a base (1), and is characterized in that a supporting frame (2) is fixedly arranged on the top surface of the base (1), a sliding groove (3) is formed in the surface of the supporting frame (2), a sliding block (4) is arranged on the surface of the sliding groove (3) in a sliding mode, a workbench (5) is fixedly arranged at one end of the sliding block (4), a lifting mechanism is arranged on the bottom surface of the workbench (5), an adjusting mechanism is arranged on the top surface of the workbench (5) and comprises an adjusting motor (13), a second rotating shaft (14), a first conical gear (15), a threaded rod (16), a second conical gear (17) and a movable block (18), one side of the workbench (5) is fixedly provided with the adjusting motor (13), the output end of the adjusting motor (13) penetrates through one side wall of the workbench (5) and is fixedly connected with a second rotating shaft (14), a first conical gear (15) is fixedly arranged at one end of the second rotating shaft (14), an inner rotating mounting part of the workbench (5) is provided with an adjusting mechanism, a threaded rod (16) is rotatably mounted inside the threaded rod (16), the threaded rod (16) is fixedly provided with the surface of the threaded rod (18), the threaded rod (18) is fixedly provided with the threaded rod (18), the top surface slidable mounting of fly leaf (19) has mount pad (20), the top surface of mount pad (20) is provided with stretch-draw machine (21), be connected with dynamometer (22) through the connecting block fixedly between the flexible end of stretch-draw machine (21) and the casing, the top surface of mount pad (20) is provided with fixed establishment.

2. The prestress tensioning device with a force measuring function according to claim 1, wherein the lifting mechanism comprises a lifting motor (6), a protective cover (7), a worm (8), a first rotating shaft (9), a worm wheel (10) and a gear (11), the lifting motor (6) is fixedly arranged on the bottom surface of the workbench (5), the protective cover (7) is fixedly arranged on the bottom surface of the workbench (5), the output end of the lifting motor (6) penetrates through one side wall of the protective cover (7) and is fixedly connected with the worm (8), the first rotating shaft (9) is rotatably arranged in the protective cover (7), the worm wheel (10) is fixedly arranged on the surface of the first rotating shaft (9), the gear (11) is fixedly arranged on the surface of the first rotating shaft (9), and a toothed bar (12) is fixedly arranged on one side of the support frame (2).

3. Prestress tensioning device with force measuring function according to claim 2, characterized in that a toothed bar (12) is fixedly mounted on one side of the support frame (2), and that the gear (11) is intermeshed with the toothed bar (12).

4. A prestressing force tensioning device with load cell according to claim 1, characterized in that the first conical gear (15) and the second conical gear (17) are of the same size and that the first conical gear (15) and the second conical gear (17) are intermeshed.

5. The prestress tensioning device with a force measuring function according to claim 1, wherein the fixing mechanism comprises a limiting rod (23), a fixing block (24) and a spring (25), the surface of the mounting seat (20) is slidably inserted with the limiting rod (23), the fixing block (24) is fixedly arranged at the top end of the limiting rod (23), and the spring (25) is fixedly arranged at the bottom surface of the fixing block (24).

6. The prestress tensioning device with a force measuring function according to claim 5, wherein a limiting hole (26) is formed in the surface of the movable plate (19), and the limiting rod (23) is arranged corresponding to the limiting hole (26).