CN213933334U

CN213933334U - Protective device for steel strand static load test detection

Info

Publication number: CN213933334U
Application number: CN202022671260.5U
Authority: CN
Inventors: 窦成伍
Original assignee: Weihai Songka Automation Equipment Co ltd
Current assignee: Weihai Songka Automation Equipment Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-10
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a protector that steel strand wires static load test detected, comprises a workbench, a plurality of supporting legs of workstation bottom fixedly connected with, the backup pad that two symmetries of workstation top fixedly connected with set up, two the same board of placing of backup pad top fixedly connected with, workstation bottom fixedly connected with driving motor, driving motor output end fixedly connected with output shaft, output shaft tip fixedly connected with limiting plate, limiting plate connection has stop gear, the output shaft is connected with the rotation axis and the axis of rotation that two symmetries set up through drive mechanism. The utility model discloses a place board, driving motor, output shaft, limiting plate, screw hole, threaded rod, rotation axis, bobbin, wire roller, pull wire and protective frame's cooperation and use, realized protecting steel strand wires experimentation, avoided steel strand wires fracture bullet to fly the phenomenon of hindering the people, improved the practicality of device.

Description

Protective device for steel strand static load test detection

Technical Field

The utility model relates to an experimental protection device technical field that detects especially relates to a protector that steel strand wires static load test detected.

Background

The application of the prestress technology in China is increasingly wide, particularly, the construction scale of basic facilities such as railway bridges, water conservancy and electric power is continuously enlarged in recent years, the number of steel strand anchorage products is gradually increased, and the yield is continuously increased. Accordingly, performance testing of anchors is of increasing interest. The static load anchoring performance of the anchorage device is the most important performance related to the use state of the anchorage device, and is a necessary test project of construction engineering.

At present, a static load steel strand anchoring tester is generally adopted for testing the static load anchoring performance, is generally applied to the detection of the anchoring coefficient of steel strands for railway, bridge, building, electric power and other infrastructure construction, and can meet the technical requirements of the national relevant regulation on the porous static load anchoring performance test. Is the necessary detection equipment for construction engineering. But the condition that the steel strand wires break or the clamping piece bursts apart and flies out can appear in using above-mentioned equipment to carry out this kind of test process, causes very big hidden danger for production and safety, simultaneously, the artifical collection after the steel strand wires fracture is taken trouble hard, consequently needs a steel strand wires static test to detect protector to solve the problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the existing problems in the prior art and providing a protector for steel strand static load test detection.

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

a protective device for steel strand static load test detection comprises a workbench, wherein the bottom of the workbench is fixedly connected with a plurality of supporting legs, the top of the workbench is fixedly connected with two symmetrically arranged supporting plates, the top of the two supporting plates is fixedly connected with the same placing plate, the bottom of the workbench is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with an output shaft, the end part of the output shaft is fixedly connected with a limiting plate, the limiting plate is connected with a limiting mechanism, the output shaft is connected with two rotating shafts and a rotating shaft which are symmetrically arranged through a transmission mechanism, the rotary shaft top is connected with the bottom of the workbench in a rotating mode, the rotary shaft is connected with a protective frame through a winding mechanism, the rotary shaft penetrates through the workbench and is connected with an air suction mechanism through a meshing mechanism, and an annular groove matched with the protective frame is formed in the workbench.

Preferably, stop gear includes a plurality of screw holes that offer to be the annular setting on the limiting plate, the workstation bottom is equipped with the thread groove with screw hole looks adaptation, thread groove and corresponding screw hole female connection have same threaded rod.

Preferably, the transmission mechanism comprises chain wheels fixedly connected to the rotating shaft, the rotating shaft and the outer side wall of the output shaft, and the chain wheels are in transmission connection through a chain.

Preferably, winding mechanism includes the bobbin of fixed connection at the rotation axis lateral wall, bobbin lateral wall fixedly connected with pull wire, place the wire roller that two symmetries of board top fixedly connected with set up, the pull wire passes the wire roller and is connected with the protection frame.

Preferably, the engaging mechanism comprises a first bevel gear fixedly connected to the outer side wall of the rotating shaft, and the first bevel gear is engaged with a second bevel gear.

Preferably, the air suction mechanism comprises a connecting shaft which is rotatably connected to the outer side wall of the supporting plate, the connecting shaft is fixedly sleeved with the second bevel gear, and the outer side wall of the connecting shaft is fixedly connected with a plurality of air suction fan blades.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses a place board, driving motor, output shaft, limiting plate, screw hole, threaded rod, rotation axis, bobbin, wire roller, pull wire and protective frame's cooperation and use, realized protecting steel strand wires experimentation, avoided steel strand wires fracture bullet to fly the phenomenon of hindering the people, improved the practicality of device.

2. The utility model discloses an output shaft, drive mechanism, axis of rotation, meshing mechanism and the cooperation of the mechanism that induced drafts are used, collect cracked steel strand wires fast after the experiment, have avoided the manual work to clean the phenomenon that takes trouble and laboursome.

Drawings

Fig. 1 is a schematic view of a front connection structure of a protection device for static load test detection of a steel strand according to the present invention;

fig. 2 is a schematic view of a connection structure of a limiting plate and a threaded hole in a protective device for steel strand static load test detection provided by the utility model;

fig. 3 is the utility model provides a workstation and ring channel connection structure sketch map among steel strand wires static load test detection's protector.

In the figure: 1. a work table; 2. supporting legs; 3. a support plate; 4. placing the plate; 5. a drive motor; 6. an output shaft; 7. a limiting plate; 8. a threaded hole; 9. a threaded rod; 10. a rotating shaft; 11. a bobbin; 12. a wire guide roller; 13. a pull wire; 14. a protective frame; 15. a chain; 16. a rotating shaft; 17. a connecting shaft; 18. an intake fan blade; 19. an annular groove.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a protection device for steel strand static test detection comprises a workbench 1, wherein the bottom of the workbench 1 is fixedly connected with a plurality of supporting legs 2, the top of the workbench 1 is fixedly connected with two symmetrically arranged supporting plates 3, the tops of the two supporting plates 3 are fixedly connected with a same placing plate 4, the bottom of the workbench 1 is fixedly connected with a driving motor 5, the output end of the driving motor 5 is fixedly connected with an output shaft 6, the end part of the output shaft 6 is fixedly connected with a limiting plate 7, the limiting plate 7 is connected with a limiting mechanism, the limiting mechanism comprises a plurality of threaded holes 8 annularly arranged on the limiting plate 7, the bottom of the workbench 1 is provided with a threaded groove matched with the threaded holes 8, the threaded groove and the corresponding threaded hole 8 are internally connected with a same threaded rod 9, and the output shaft 6 is limited by matching the threaded holes 8, the threaded groove and the threaded rod 9, the output shaft 6 is prevented from being driven to rotate continuously under the action of gravity, and the stability of the device is improved;

the output shaft 6 is connected with two

rotation shafts

10 and 16 which are symmetrically arranged through a transmission mechanism, the transmission mechanism comprises chain wheels fixedly connected to the rotation shafts 10, the rotation shafts 16 and the outer side walls of the output shaft 6, the chain wheels are in transmission connection through chains 15, the top of each rotation shaft 10 is in rotary connection with the bottom of the workbench 1, each rotation shaft 10 is connected with a protective frame 14 through a winding mechanism, each winding mechanism comprises a winding drum 11 fixedly connected to the outer side wall of each rotation shaft 10, the outer side wall of each winding drum 11 is fixedly connected with a traction wire 13, the top of the placement plate 4 is fixedly connected with two guide rollers 12 which are symmetrically arranged, and each traction wire 13 penetrates through each;

the rotating shaft 16 penetrates through the workbench 1 and is connected with an air suction mechanism through a meshing mechanism, the meshing mechanism comprises a first bevel gear fixedly connected to the outer side wall of the rotating shaft 16, the first bevel gear is meshed with a second bevel gear, and the workbench 1 is provided with an annular groove 19 matched with the protective frame 14;

the mechanism that induced drafts is including rotating the connecting axle 17 of connecting in backup pad 3 lateral wall, and connecting axle 17 cup joints with second bevel gear is fixed, and connecting axle 17 lateral wall fixedly connected with a plurality of suction fan leaf 18.

The utility model discloses specific theory of operation as follows:

in an initial state, when a steel strand static load test needs to be performed, only the driving motor 5 needs to be started, wherein the driving motor 5 is a servo motor, which is the prior art and is not described in detail herein, the driving motor 5 drives the output shaft 6 to rotate, the two rotating shafts 10 are driven to rotate through the chains 15, the rotating shafts 10 rotate to drive the bobbins 11 to rotate, and then the bobbins 11 are driven to rotate, so that the traction wires 13 are wound;

the traction wire 13 is wound to enable the protective frame 14 to ascend, the steel strand static load test detection tool is placed in the protective frame 14 to work, the output shaft 6 is reversed, the steel strand static load test detection bobbin 11 is reversed due to the fact that the output shaft 6 is reversed, the protective frame 14 descends, the protective frame 14 falls into the annular groove 19, the stability of the protective frame 14 is achieved, when the steel strand bursts, the steel strand can be ejected to the inner side wall of the protective frame 14, and the phenomenon that people are injured due to the burst of the steel strand is avoided;

wherein, after the experiment is accomplished, start driving motor 5, lift up protective frame 14 through pull wire 13 once more, meanwhile, output shaft 6 rotates and drives axis of rotation 16 and rotate, axis of rotation 16 drives connecting axle 17 through meshing mechanism and rotates, connecting axle 17 drives suction fan leaf 18 and rotates, and then will be located cracked steel strand wires on the workstation 1 of the 14 inboard scopes of protective frame and induced draft and handle, and then absorb cracked steel strand wires in ring channel 17, only need concentrate to collect annular channel 19 and handle can, the manual work has been avoided collecting the phenomenon that trouble is hard.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The protection device for the static load test detection of the steel strand comprises a workbench (1) and is characterized in that a plurality of supporting legs (2) are fixedly connected to the bottom of the workbench (1), two symmetrically arranged supporting plates (3) are fixedly connected to the top of the workbench (1), two same placing plates (4) are fixedly connected to the top of the supporting plates (3), a driving motor (5) is fixedly connected to the bottom of the workbench (1), an output shaft (6) is fixedly connected to the output end of the driving motor (5), a limiting plate (7) is fixedly connected to the end part of the output shaft (6), a limiting mechanism is connected to the limiting plate (7), the output shaft (6) is connected with two symmetrically arranged rotating shafts (10) and rotating shafts (16) through a transmission mechanism, the top of each rotating shaft (10) is rotatably connected with the bottom of the workbench (1), the rotating shaft (10) is connected with a protective frame (14) through a winding mechanism, the rotating shaft (16) penetrates through the workbench (1) and is connected with an air suction mechanism through a meshing mechanism, and an annular groove (19) matched with the protective frame (14) is formed in the workbench (1).

2. The protection device for steel strand static test detects according to claim 1, characterized in that, stop gear includes a plurality of screw holes (8) of seting up and being the annular setting on limiting plate (7), workstation (1) bottom is equipped with the thread groove with screw hole (8) looks adaptation, thread groove and corresponding screw hole (8) female connection have same threaded rod (9).

3. The protection device for the static test detection of the steel strand as claimed in claim 1, wherein the transmission mechanism comprises chain wheels fixedly connected to the rotating shaft (10), the rotating shaft (16) and the outer side wall of the output shaft (6), and the chain wheels are in transmission connection through a chain (15).

4. The protection device for the static test detection of the steel strand according to claim 1, wherein the winding mechanism comprises a winding drum (11) fixedly connected to the outer side wall of the rotating shaft (10), a pulling wire (13) is fixedly connected to the outer side wall of the winding drum (11), two symmetrically arranged wire rollers (12) are fixedly connected to the top of the placing plate (4), and the pulling wire (13) passes through the wire rollers (12) to be connected with the protection frame (14).

5. The device for protecting the static test detection of the steel strand as claimed in claim 1, wherein the engaging mechanism comprises a first bevel gear fixedly connected to the outer side wall of the rotating shaft (16), and the first bevel gear is engaged with a second bevel gear.

6. The protection device for steel strand static test detection according to claim 5, wherein the air suction mechanism comprises a connecting shaft (17) rotatably connected to the outer side wall of the support plate (3), the connecting shaft (17) is fixedly sleeved with the second bevel gear, and a plurality of air suction fan blades (18) are fixedly connected to the outer side wall of the connecting shaft (17).