CN212568315U

CN212568315U - Repeated bending tester for reinforcing steel bars

Info

Publication number: CN212568315U
Application number: CN202021485619.3U
Authority: CN
Inventors: 李会应
Original assignee: Shandong Yingcheng Testing Co ltd
Current assignee: Shandong Yingcheng Testing Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-02-19
Anticipated expiration: 2030-07-24

Abstract

The utility model relates to the technical field of a repeated bending testing machine for reinforcing steel bars, in particular to a repeated bending testing machine for reinforcing steel bars, which comprises a machine body, a working disc arranged at the middle part of the upper end of the machine body in a rotating way and a supporting pin arranged at the upper end of the machine body close to the front edge, wherein a limiting plate is slidably arranged at the upper end of the machine body close to the rear edge, a transmission mechanism is arranged between the limiting plate and the machine body, the upper end surface of the machine body is provided with scales, the upper end of the working disc is provided with an adjusting mechanism, the adjusting mechanism comprises a screw rod vertically connected at the center of the upper end of the working disc, the outer wall of the screw rod is sleeved with a circular ring, the upper end of the circular ring is movably connected with a thread sleeve, the repeated bending testing machine for reinforcing steel bars has the beneficial effects that the, meanwhile, the position of the steel bar needing to be bent can be positioned.

Description

Repeated bending tester for reinforcing steel bars

Technical Field

The utility model relates to a reinforcing bar bending test machine technical field especially relates to a reinforcing bar bending test machine.

Background

In order to achieve a good using effect, the steel bars and the metal wires need to be subjected to bending fatigue degree testing before application; the test adopts reinforcing bar positive and negative bending experimental facilities to go on, thereby the effect drives reinforcing bar or wire rod bending repeatedly in the test through the motor reduction gears effect, and current reinforcing bar bending test machine is in the face of different radiuses and when the reinforcing bar in certain extent, need change corresponding part, and operation process is comparatively loaded down with trivial details, and can't fix a position reinforcing bar position.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a repeated bending tester for reinforcing steel bars.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a repeated bending tester for reinforcing steel bars comprises a machine body, a working disc rotatably arranged in the middle of the upper end of the machine body and a supporting pin arranged at the upper end of the machine body close to the front side edge, a limit plate is slidably arranged at the upper end of the machine body close to the rear side edge, a transmission mechanism is arranged between the limit plate and the machine body, the upper end surface of the machine body is provided with scales, the upper end of the working plate is provided with an adjusting mechanism, the adjusting mechanism comprises a screw rod vertically connected with the center of the upper end of the working plate, the outer wall of the screw rod is sleeved with a ring, the upper end of the ring is movably connected with a thread sleeve, the thread sleeve is sleeved on the outer wall of the screw rod, and thread bush and screw rod screw-thread fit, the outer wall annular array of ring rotates and installs four connecting rods, four the one end that the ring was kept away from to the connecting rod all rotates and installs the arc, four the arc all slides the setting in the upper end of working disk.

Preferably, the organism upper end is close to rear side edge department and has seted up the spout, the draw-in groove has all been seted up to the both sides inner wall of spout, limiting plate and spout sliding fit, the equal vertical fixture block that is connected with of both sides outer wall of limiting plate, two the fixture block respectively with two draw-in groove sliding fit, the scale mark is in the side of spout, and the length of scale equals with the length of spout.

Preferably, drive mechanism is including rotating the lead screw of connection on the spout inner wall, the one end activity in proper order of lead screw runs through in limiting plate and organism, and the tip of lead screw is connected with the hand wheel perpendicularly, and the inner wall screw-thread fit of lead screw and limiting plate.

Preferably, the ring channel has been seted up to the inner wall of ring, the arc wall has all been seted up to the both sides inner wall of ring channel, the equal vertical annular block that is connected with in lower extreme both sides of thread bush, annular block and ring channel sliding fit, and the equal vertical arc piece that is connected with of both ends lateral wall of annular block, arc piece and arc wall sliding fit.

Preferably, the inner wall of the working disc is provided with four T-shaped grooves around the central annular array thereof, the lower end faces of the four arc-shaped plates are vertically connected with T-shaped blocks, and the four T-shaped blocks are respectively in sliding fit with the four T-shaped grooves.

Preferably, the side walls of the two ends of the machine body are respectively rotatably provided with a pulley.

Compared with the prior art, the utility model discloses following beneficial effect has: at first place the reinforcing bar and laminate mutually with supporting pin and buckling pin, can carry out the centre gripping according to different radiuses and at the reinforcing bar in certain extent through setting up adjustment mechanism and make the reinforcing bar keep perpendicular, need not to change corresponding part, through setting up the limiting plate, scale and drive mechanism, the position of adjustable limiting plate is fixed a position the reinforcing bar needs the crooked position, order about the inside reciprocal driving piece that can drive the buckling pin of organism upper end rotation setting's working disc off-centre department with the reinforcing bar crooked of organism this moment, make the buckling pin repeated carry out constantly the bending with this to test the intensity of reinforcing bar, thereby reached reinforcing bar repeated bending test machine when facing different radiuses and reinforcing bar in certain extent, need not to change the effect that corresponding part also can carry out the centre gripping to the reinforcing bar, the operation process is simplified, and can fix a position the reinforcing bar needs the crooked position.

Drawings

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

fig. 2 is a partial cross-sectional view of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 2 at B;

FIG. 5 is a schematic view of the structure at A in FIG. 2;

fig. 6 is a schematic structural diagram at C in fig. 3.

In the figure: 1. a body; 2. a support pin; 3. a working plate; 4. bending the pin; 5. a threaded sleeve; 6. calibration; 7. an arc-shaped plate; 8. a limiting plate; 9. a screw rod; 10. a card slot; 11. a chute; 12. a hand wheel; 13. a circular ring; 14. a connecting rod; 15. a screw; 16. a T-shaped groove; 17. a T-shaped block; 18. an annular groove; 19. an arc-shaped slot; 20. a ring block; 21. an arc-shaped block; 22. a clamping block; 23. a pulley.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The repeated bending tester for the steel bars, as shown in fig. 1-6, comprises a machine body 1, a working disc 3 rotatably arranged at the middle part of the upper end of the machine body 1, a supporting pin 2 arranged at the edge of the upper end of the machine body 1 near the front side, and a bending pin 4 arranged at the eccentric position on the working disc 3, wherein a limiting plate 8 is slidably arranged at the upper end of the machine body 1 near the rear side edge, a transmission mechanism is arranged between the limiting plate 8 and the machine body 1, the upper end surface of the machine body 1 is provided with scales 6, an adjusting mechanism is arranged at the upper end of the working disc 3, the adjusting mechanism comprises a screw rod 15 vertically connected to the center of the upper end of the working disc 3, a circular ring 13 is sleeved on the outer wall of the screw rod 15, a thread sleeve 5 is movably connected to the upper end of the circular ring 13, the thread sleeve 5 is sleeved on the outer wall of the screw rod 15, the thread sleeve 5 is in threaded fit with the, the four arc plates 7 are all arranged at the upper end of the working plate 3 in a sliding manner.

1 upper end of organism is close to rear edge department and has seted up spout 11, draw-in groove 10 has all been seted up to the both sides inner wall of spout 11, limiting plate 8 and 11 sliding fit of spout, the equal vertical fixture block 22 that is connected with of the both sides outer wall of limiting plate 8, two fixture blocks 22 respectively with two draw-in grooves 10 sliding fit, scale 6 marks the side at spout 11, and the length of scale 6 equals with the length of spout 11, through setting up spout 11, draw-in groove 10 and fixture block 22, it is convenient for limiting plate 8 can observe the gliding effect of terminal surface on organism 1 to have reached, and can observe the position of 6 accurate adjustment limiting plate 8 of scale of the side of spout 11.

The transmission mechanism comprises a screw rod 9 which is rotatably connected to the inner wall of the sliding groove 11, one end of the screw rod 9 sequentially and movably penetrates through the limiting plate 8 and the machine body 1, a hand wheel 12 is perpendicularly connected to the end portion of the screw rod 9, the screw rod 9 is in threaded fit with the inner wall of the limiting plate 8, the screw rod 9 and the hand wheel 12 are arranged, the hand wheel 12 is rotated to drive the screw rod 9 to rotate, and the screw rod 9 rotates to drive the limiting plate 8 on the outer wall of the screw rod 9 to.

Annular groove 18 has been seted up to the inner wall of ring 13, arc 19 has all been seted up to the both sides inner wall of annular groove 18, the equal vertical ring block 20 that is connected with in lower extreme both sides of thread bush 5, ring block 20 and annular groove 18 sliding fit, and the equal vertical arc 21 that is connected with of both ends lateral wall of ring block 20, arc 21 and arc 19 sliding fit, through setting up annular groove 18, arc 19, ring block 20 and arc 21, when thread bush 5 rotates, be convenient for thread bush 5 rotates on ring 13, and when thread bush 5 rotated and moved up or down at screw rod 15, can take ring 13 to move up or down.

Four T type grooves 16 have been seted up around its central ring array to the inner wall of working disc 3, and the equal vertical T type piece 17 that is connected with of lower terminal surface of four arcs 7, four T type pieces 17 respectively with four T type groove 16 sliding fit, through setting up T type groove 16 and T type piece 17, four arcs 7 of being convenient for are the horizontal slip on working disc 3.

The both ends lateral wall of organism 1 all rotates installs pulley 23, through setting up pulley 23, has reached the effect that the organism 1 of being convenient for removed.

The working principle is as follows: firstly, reinforcing steel bars are placed on the supporting pins 2 and the bending pins 4 to be attached, the screw rods 15, the circular rings 13, the threaded sleeves 5, the connecting rods 14 and the arc-shaped plates 7 are arranged, the threaded sleeves 5 vertically connected to the screw rods 15 at the center of the working disc 3 are rotated, the threaded sleeves 5 drive the circular rings 13 sleeved on the outer walls of the screw rods 15 to move downwards, so that the circular rings 13 can drive the four connecting rods 14 rotatably connected with the outer walls to push the arc-shaped plates 7 rotatably connected with the four connecting rods 14 to slide forwards, originally, the four arc-shaped plates 7 can form a cylinder and are divided into the four arc-shaped plates 7 to expand outwards synchronously, the arc-shaped plates 7 are attached to the reinforcing steel bars, the reinforcing steel bars can be clamped according to the reinforcing steel bars with different radiuses and within a certain range, corresponding parts do not need to be replaced, the operation process is simplified, and the position of the limiting plates 8 and the scale 6, can fix a position the reinforcing bar needs crooked position, order about 1 inside bending pin 4 that can drive 3 eccentric departments of organism upper end rotation settings of organism this moment the crooked reciprocating drive spare of reinforcing bar, make bending pin 4 constantly crooked so that the intensity to the reinforcing bar is tested, the arc 7 of four outside synchronous expansions can not block the movement track of bending pin 4, and four arc 7 are great with the reinforcing bar area of contact when crooked, thereby reached reinforcing bar bending machine when facing different radiuses and the reinforcing bar in certain extent, need not to change the effect that corresponding part also can carry out the centre gripping to the reinforcing bar, the simplified operation process, and can fix a position reinforcing bar needs the bending position.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a reinforcing bar repeated bending test machine, includes that organism (1), organism (1) upper end middle part rotate work dish (3) that set up, organism (1) upper end are close to supporting pin (2) and work dish (3) that front side edge set up and go up bending pin (4) that eccentric department set up, its characterized in that: the utility model discloses a novel motor vehicle engine, including organism (1), rear side edge department slidable mounting has limiting plate (8) on being close to organism (1), be equipped with drive mechanism between limiting plate (8) and organism (1), the up end of organism (1) is equipped with scale (6), the upper end of working disc (3) is equipped with adjustment mechanism, adjustment mechanism includes vertical screw rod (15) of connecting in working disc (3) upper end center department, the outer wall cover of screw rod (15) is equipped with ring (13), the upper end swing joint of ring (13) has thread bush (5), thread bush (5) cover is established on the outer wall of screw rod (15), and thread bush (5) and screw rod (15) screw-thread fit, the outer wall ring array of ring (13) rotates and installs four connecting rods (14), four the one end that ring (13) were kept away from to connecting rod (14) all rotates and installs arc (7), the four arc-shaped plates (7) are arranged at the upper end of the working plate (3) in a sliding manner.

2. The repeated bending tester for reinforcing steel bars as claimed in claim 1, wherein: organism (1) upper end is close to rear side edge department and has seted up spout (11), draw-in groove (10) have all been seted up to the both sides inner wall of spout (11), limiting plate (8) and spout (11) sliding fit, the equal vertical fixture block (22) that is connected with of both sides outer wall of limiting plate (8), two fixture block (22) respectively with two draw-in grooves (10) sliding fit, scale (6) are marked scale in the side of spout (11), and the length of scale (6) equals with the length of spout (11).

3. The repeated bending tester for reinforcing steel bars according to claim 2, wherein: drive mechanism is including rotating lead screw (9) of connection on spout (11) inner wall, the one end activity in proper order of lead screw (9) runs through in limiting plate (8) and organism (1), and the tip of lead screw (9) is connected with hand wheel (12) perpendicularly, and the inner wall screw-thread fit of lead screw (9) and limiting plate (8).

4. The repeated bending tester for reinforcing steel bars as claimed in claim 1, wherein: annular groove (18) have been seted up to the inner wall of ring (13), arc wall (19) have all been seted up to the both sides inner wall of annular groove (18), the equal vertical annular block (20) that is connected with in lower extreme both sides of thread bush (5), annular block (20) and annular groove (18) sliding fit, and the equal vertical arc piece (21) that is connected with of both ends lateral wall of annular block (20), arc piece (21) and arc wall (19) sliding fit.

5. The repeated bending tester for reinforcing steel bars as claimed in claim 1, wherein: four T-shaped grooves (16) are formed in the inner wall of the working disc (3) around the center of the working disc in an annular array mode, four T-shaped blocks (17) are vertically connected to the lower end face of the arc-shaped plate (7), and the four T-shaped blocks (17) are in sliding fit with the four T-shaped grooves (16) respectively.

6. The repeated bending tester for reinforcing steel bars as claimed in claim 1, wherein: the side walls of the two ends of the machine body (1) are respectively and rotatably provided with a pulley (23).