CN212646307U

CN212646307U - Supporting roller pressing plate interval positioning and supporting device for cold bending test of reinforcing steel bars for material testing machine

Info

Publication number: CN212646307U
Application number: CN202021359166.XU
Authority: CN
Inventors: 周勇
Original assignee: Wuhan Yongkuan Machinery Manufacturing Co ltd
Current assignee: Wuhan Yongkuan Machinery Manufacturing Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-02
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a experimental roller clamp plate interval location strutting arrangement of reinforcing bar cold-bending for material testing machine, including placing the platform, the one side of placing the platform is equipped with the rectangular plate, the both ends of rectangular plate all through a plurality of bracing pieces with place the both ends fixed connection of platform, the rectangular plate is kept away from place one side of platform and be equipped with first backing roll, one side of first backing roll is equipped with the second backing roll, first backing roll and second backing roll all are connected with supporting adjusting device, supporting adjusting device includes the movable plate, the both ends of rectangular plate are located respectively to the movable plate, one side of movable plate is all fixed and is equipped with the slider, the inside of spout is located in the slider slides, the spout is seted up in the middle of one side of rectangular plate, the both sides of rectangular plate all are equipped with the nut. Has the advantages that: the device simple structure conveniently adjusts the distance between the backing roll, has increased the convenience of use, has improved experimental accuracy simultaneously.

Description

Supporting roller pressing plate interval positioning and supporting device for cold bending test of reinforcing steel bars for material testing machine

Technical Field

The utility model relates to a testing machine supporting roller strutting arrangement's design field relates to a experimental supporting roller clamp plate interval location strutting arrangement of reinforcing bar cold bending for material testing machine particularly.

Background

The bending device of the testing machine used for the bending test of metal materials, metal welding joints and metal pipes is basically in four forms: (1) a backup roll bending device; (2) a V-shaped die type bending device; (3) the vice type bending device (4) is a turnover plate type bending device. The overhead jaw or low-frame jaw universal material testing machine produced by the domestic testing machine manufacturers at the present stage is basically a WE type support roller type bending device series. When a building engineering quality detection laboratory is used for testing the tensile and cold-bending mechanical properties of reinforcing steel bars, all the used universal material testing machines are WE type series support roller type bending devices. The statistical condition analysis of the time consumed by seven links in the original steel bar cold bending mechanical property detection test proves that the link of adjusting the distance between the supporting rollers consumes the longest time, so that the work efficiency of the steel bar cold bending test is low, and the labor intensity of operators is high, so that the device for positioning and supporting the interval of the supporting roller pressing plate of the steel bar cold bending test for the material testing machine is needed to solve the problems.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a experimental forming roll clamp plate interval location strutting arrangement of reinforcing bar cold bending for material testing machine to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a supporting device for positioning the spacing between supporting roller pressing plates in a cold bending test of a reinforcing steel bar for a material testing machine comprises a placing table, wherein a rectangular plate is arranged on one side of the placing table, two ends of the rectangular plate are fixedly connected with two ends of the placing table through a plurality of supporting rods, a first supporting roller is arranged on one side, away from the placing table, of the rectangular plate, a second supporting roller is arranged on one side of the first supporting roller, the first supporting roller and the second supporting roller are connected with a supporting and adjusting device, the supporting and adjusting device comprises a movable plate, the movable plate is respectively arranged at two ends of the rectangular plate, a sliding block is fixedly arranged on one side of the movable plate, the sliding block is slidably arranged in a sliding groove, the sliding groove is arranged in the middle of one side of the rectangular plate, nuts are arranged on two sides of the rectangular plate, threaded rods are arranged on the internal threads of, and, be located the outside of spout is equipped with twist grip, the threaded rod is kept away from twist grip's one end pass through the bearing frame with the slider is connected, first backup roll with the both ends of second backup roll are all fixed and are equipped with the pivot, the pivot pass through the supporting seat with the movable plate is connected, the one end of pivot is all fixed the cover and is equipped with the turbine, one side of turbine all meshes and is equipped with the scroll bar, the equal fixed cover of scroll bar is located on the bull stick, the both ends of bull stick all through the fixed block with the lateral wall of rectangular plate is connected.

Furthermore, annular grooves are formed in the middle of the first supporting roller and the middle of the second supporting roller.

Further, a lantern ring is sleeved at one end of the rotating shaft, a pointer is fixedly arranged at one end of the lantern ring, the pointer is far away from one end of the lantern ring, and a graduated scale is arranged on the side wall of the rectangular plate.

Further, one side of placing the platform is equipped with the device of bending, the device of bending includes the support column, the one end of support column with the lateral wall fixed connection who places the platform, the fixed horizontal version that is equipped with in top one side of support column, the fixed pneumatic cylinder that is equipped with in one side of horizontal board, the output of pneumatic cylinder is equipped with the hydraulic stem, the other end of hydraulic stem is fixed and is equipped with the depression bar.

Furthermore, a holding rod is fixedly arranged at the eccentric position of one side of the rotating handle, which is far away from the threaded rod.

Furthermore, an anti-slip sleeve is fixedly arranged on the holding rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) firstly, the reinforcing steel bar is placed between the first supporting roller and the second supporting roller, then the rotating handle is rotated, the rotating handle can drive the rotation of the threaded rod, the threaded rod can move on the nut, so that the push-pull sliding block can move in the sliding groove, the movement of the sliding block can drive the movement of the movable plate, so that the movement of the first supporting roller and the second supporting roller can be driven, the adjustment of the distance between the first supporting roller and the second supporting roller can be realized, after the adjustment of the first supporting roller and the second supporting roller is finished, when the reinforcing steel bar is bent by the pressing rod, the turbine on one side of the rotating shaft is meshed with the turbine, because the turbine is fixedly sleeved on the rotating rod, the rotating rod is fixedly connected with the movable plate through the fixed block, a self-locking structure can be formed between the turbine and the turbine, the fixing effect on the first supporting roller and the second supporting roller in the bending process, the device has simple structure, is convenient for adjusting the distance between the supporting rollers, increases the convenience of use and simultaneously improves the test accuracy;

(2) the annular groove is formed in the first supporting roller and the second supporting roller, so that the effect of limiting the steel bar placed between the first supporting roller and the second supporting roller can be achieved, and the placing stability is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a device for positioning and supporting the spacing between the supporting rollers and the pressing plates in the cold bending test of the steel bars for a material testing machine according to an embodiment of the present invention;

fig. 2 is according to the utility model discloses a support adjusting device's structural schematic in experimental forming roll clamp plate interval location strutting arrangement of reinforcing bar cold bending for material testing machine.

Reference numerals:

1. a placing table; 2. a rectangular plate; 3. a support bar; 4. a first support roller; 5. a second support roller; 6. moving the plate; 7. a slider; 8. a chute; 9. a nut; 10. a threaded rod; 11. rotating the handle; 12. a bearing seat; 13. a rotating shaft; 14. a supporting seat; 15. a turbine; 16. a scroll bar; 17. a rotating rod; 18. a fixed block; 19. an annular groove; 20. a collar; 21. a pointer; 22. a graduated scale; 23. a support pillar; 24. a pressure lever.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-2, a supporting device for spacing positioning between supporting rollers and pressing plates in a cold bending test of steel bars for a material testing machine according to an embodiment of the present invention includes a placing table 1, a rectangular plate 2 is disposed on one side of the placing table 1, both ends of the rectangular plate 2 are fixedly connected to both ends of the placing table 1 through a plurality of supporting rods 3, a first supporting roller 4 is disposed on one side of the rectangular plate 2 away from the placing table 1, a second supporting roller 5 is disposed on one side of the first supporting roller 4, both the first supporting roller 4 and the second supporting roller 5 are connected to a supporting and adjusting device, the supporting and adjusting device includes moving plates 6, the moving plates 6 are respectively disposed on both ends of the rectangular plate 2, a slider 7 is fixedly disposed on one side of the moving plates 6, the slider 7 is slidably disposed inside a chute 8, the chute 8 is disposed in the middle of one side of the rectangular plate 2, the two sides of the rectangular plate 2 are respectively provided with a nut 9, the internal thread of the nut 9 is provided with a threaded rod 10, one end of the threaded rod 10 is positioned outside the sliding groove 8 and is provided with a rotating handle 11, one end of the threaded rod 10 far away from the rotating handle 11 is connected with the sliding block 7 through a bearing seat 12, two ends of the first supporting roller 4 and the second supporting roller 5 are respectively and fixedly provided with a rotating shaft 13, the rotating shaft 13 is connected with the moving plate 6 through a supporting seat 14, one end of the rotating shaft 13 is respectively and fixedly sleeved with a turbine 15, one side of the turbine 15 is respectively engaged with a worm 16, the worm 16 is respectively and fixedly sleeved on the rotating rod 17, two ends of the rotating rod 17 are respectively connected with the side wall of the rectangular plate 2 through a fixing block 18, firstly, a steel bar is placed between the first supporting roller and the second supporting roller, then the rotating handle 11 is rotated, the rotating handle 11 can drive the, the threaded rod 10 will move on the nut 9, so that the push-pull slide block 7 will move in the chute 8, the movement of the slide block 7 will drive the movement of the movable plate 6, thereby the movement of driving the first and second supporting rollers can be realized, thereby the adjustment of the distance between the first and second supporting rollers can be realized, after the adjustment of the first and second supporting rollers is completed, when the pressure bar 24 bends the steel bar, the worm wheel 15 and the worm rod 16 on one side of the rotating shaft are engaged, because the worm rod 16 is fixedly sleeved on the rotating rod 17, and simultaneously the rotating rod 17 is fixedly connected with the movable plate 6 through the fixed block 18, a self-locking structure can be formed between the worm rod 16 and the worm wheel 15, thereby the first and second supporting rollers are fixed in the bending process, the bending stability is increased, the device has a simple structure, the distance between the supporting rollers can be conveniently adjusted, and the use convenience is increased, meanwhile, the test accuracy is improved.

Example two:

referring to fig. 1-2, for the first supporting roller 4, an annular groove 19 is formed between the first supporting roller 4 and the second supporting roller 5, and the annular grooves 19 formed on the first supporting roller and the second supporting roller can limit the reinforcing steel bars placed between the first supporting roller and the second supporting roller, so that the placing stability is increased; for the rotating shaft 13, a sleeve ring 20 is sleeved at one end of the rotating shaft 13, a pointer 21 is fixedly arranged at one end of the sleeve ring 20, the pointer 21 is far away from one end of the sleeve ring 20, a graduated scale 22 is arranged on the side wall of the rectangular plate 2, the sleeve ring 20 is sleeved on the rotating shaft 13, the pointer 21 is arranged on the sleeve ring 20 and can be used for pointing the graduated scale 22, and the adjusting accuracy is improved; for the placing table 1, a bending device is arranged on one side of the placing table 1, the bending device comprises a supporting column 23, one end of the supporting column 23 is fixedly connected with the side wall of the placing table 1, a transverse plate is fixedly arranged on one side of the top of the supporting column 23, a hydraulic cylinder is fixedly arranged on one side of the transverse plate, a hydraulic rod is arranged at the output end of the hydraulic cylinder, a pressing rod 24 is fixedly arranged on the other end of the hydraulic rod, and the bending device can bend reinforcing steel bars placed on a first supporting roller and a second supporting roller, so that the working convenience is improved; for the rotating handle 11, a holding rod is fixedly arranged at the eccentric position of one side of the rotating handle 11, which is far away from the threaded rod 10, and the rotating handle 11 is provided with the holding rod to increase the convenience of rotation; for the holding rod, an anti-slip sleeve is fixedly arranged on the holding rod, and the anti-slip sleeve is fixedly sleeved on the holding rod to increase the friction force between the holding rod and the palm.

To sum up, with the aid of the above technical scheme of the utility model, for the convenient understanding the above technical scheme of the utility model, just below the utility model discloses theory of operation or the mode of operation at the actual process carry out the detailed description:

in practical application, firstly, the steel bar is placed between the first support roller and the second support roller, then the rotating handle 11 is rotated, the rotating handle 11 can drive the threaded rod 10 to rotate, the threaded rod 10 can move on the nut 9, so that the push-pull sliding block 7 can move in the sliding groove 8, the movement of the sliding block 7 can drive the moving plate 6 to move, so that the first support roller and the second support roller can be driven to move, the distance between the first support roller and the second support roller can be adjusted, after the adjustment of the first support roller and the second support roller is completed, when the pressure lever 24 bends the steel bar, the worm 15 and the worm 16 on one side of the rotating shaft are meshed, because the worm 16 is fixedly sleeved on the rotating lever 17, and meanwhile, the rotating lever 17 is fixedly connected with the moving plate 6 through the fixed block 18, and a self-locking structure can be formed between the worm 16 and the worm 15, so that the first support roller and the second, The second backing roll plays fixed effect, has increased the stability of bending, and the device simple structure conveniently adjusts the distance between the backing roll, has increased the convenience of use, has improved experimental accuracy simultaneously.

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

Claims

1. The spacing positioning and supporting device for the reinforcing steel bar cold bending test supporting roller pressing plate for the material testing machine is characterized by comprising a placing table (1), wherein a rectangular plate (2) is arranged on one side of the placing table (1), two ends of the rectangular plate (2) are fixedly connected with two ends of the placing table (1) through a plurality of supporting rods (3), a first supporting roller (4) is arranged on one side, far away from the placing table (1), of the rectangular plate (2), a second supporting roller (5) is arranged on one side of the first supporting roller (4), the first supporting roller (4) and the second supporting roller (5) are connected with a supporting and adjusting device, the supporting and adjusting device comprises a sliding plate (6), the moving plate (6) is respectively arranged at two ends of the rectangular plate (2), a sliding block (7) is fixedly arranged on one side of the moving plate (6), and the sliding block (7) is arranged inside a sliding groove (8), the utility model discloses a movable plate, including rectangle board (2), spout (8), be located the outside of spout (8) and be equipped with twist grip (11), the inside screw thread of nut (9) is equipped with threaded rod (10), the one end of threaded rod (10), just, be located the outside of rectangle board (2) all is equipped with twist grip (11), threaded rod (10) are kept away from the one end of twist grip (11) pass through bearing frame (12) with slider (7) are connected, first backup roll (4) with the both ends of second backup roll (5) are all fixed and are equipped with pivot (13), pivot (13) pass through supporting seat (14) with movable plate (6) are connected, the one end of pivot (13) is all fixed the cover and is equipped with turbine (15), one side of turbine (15) all meshes and is equipped with turborod (16), turborod (16) all are fixed the cover and are located bull stick (17), and the two ends of the rotating rod (17) are connected with the side wall of the rectangular plate (2) through fixing blocks (18).

2. The device for positioning and supporting the spacing between the supporting rollers and the pressing plates in the cold bending test of the steel bars for the material testing machine according to claim 1, wherein the first supporting roller (4) and the second supporting roller (5) are provided with annular grooves (19) in the middle.

3. The device for positioning and supporting the spacing between the cold bending test support rollers and the press plate of the steel bar for the material testing machine according to claim 2, wherein a sleeve ring (20) is sleeved at one end of the rotating shaft (13), a pointer (21) is fixedly arranged at one end of the sleeve ring (20), one end of the pointer (21) far away from the sleeve ring (20) is arranged, and a graduated scale (22) is arranged on the side wall of the rectangular plate (2).

4. The device for positioning and supporting the spacing between the press rolls in the cold bending test of the steel bars for the material testing machine according to claim 3, wherein a bending device is arranged on one side of the placing table (1), the bending device comprises a supporting column (23), one end of the supporting column (23) is fixedly connected with the side wall of the placing table (1), a transverse plate is fixedly arranged on one side of the top of the supporting column (23), a hydraulic cylinder is fixedly arranged on one side of the transverse plate, a hydraulic rod is arranged at the output end of the hydraulic cylinder, and a pressing rod (24) is fixedly arranged at the other end of the hydraulic rod.

5. The device for positioning and supporting the spacing between the supporting rollers and the pressing plates in the cold bending test of the steel bars for the material testing machine as claimed in claim 4, wherein a holding rod is fixedly arranged at the eccentric position of one side of the rotating handle (11) far away from the threaded rod (10).

6. The device for positioning and supporting the spacing between the supporting rollers and the pressing plates in the cold bending test of the steel bars for the material testing machine as claimed in claim 5, wherein the holding rod is fixedly provided with an anti-slip sleeve.