CN213364419U

CN213364419U - Rebar repeated bending tester convenient for clamping reinforcing bar

Info

Publication number: CN213364419U
Application number: CN202022253156.4U
Authority: CN
Inventors: 王铭; 孙大双; 王许杰
Original assignee: Taizhou Jinheng Building Material Testing Co ltd
Current assignee: Taizhou Jinheng Building Material Testing Co ltd
Priority date: 2020-10-11
Filing date: 2020-10-11
Publication date: 2021-06-04
Anticipated expiration: 2030-10-11

Abstract

The utility model relates to a technical field of reinforcing bar check out test set, a reinforcing bar bending test machine repeatedly convenient to press from both sides tight reinforcing bar is disclosed, including workstation and the slip a pair of clamping jaw that sets up on the workstation, it is provided with the grip slipper to correspond the clamping jaw slip on the workstation, the vertical mounting panel that has set firmly on the grip slipper, the clamping jaw links to each other with the vertical terminal surface of mounting panel and the top surface of grip slipper is fixed simultaneously, a plurality of strengthening ribs have set firmly on the grip slipper, the strengthening rib is the setting of right angle triangular prism form, the strengthening rib is arranged along the length direction of mounting panel and is set up, one of them right angle face of strengthening rib links to each other with the top surface of grip slipper is. This application has clamping jaw, mounting panel and grip slipper and is difficult for twisting, measures the effect that the precision is high.

Description

Rebar repeated bending tester convenient for clamping reinforcing bar

Technical Field

The application relates to the field of reinforcing bar check out test set, especially relates to a reinforcing bar repeated bending test machine convenient to press from both sides tight reinforcing bar.

Background

The steel bar repeated bending testing machine is steel bar detection equipment for detecting the structural performance of a steel bar by repeatedly bending the steel bar, and the clamping and positioning of the steel bar directly influences the detection and use of the steel bar repeated bending testing machine.

The utility model discloses a reinforcing bar repeated bending test machine convenient to press from both sides tight reinforcing bar is disclosed in the utility model patent document of grant notice No. CN211477849U, comprises a workbench, lead screw groove and hydraulic stem, one side of workstation is provided with splint, one side that splint are close to the workstation is connected with the slider, the spout has been seted up to one side that the workstation is close to the slider, the lead screw groove is seted up in one side that the workstation is close to the spout, the inside in lead screw groove is provided with the lead screw, one side of splint is provided with the installation piece, one side that the installation piece is close to splint is connected with the fixture block, one side that splint are close to the fixture block has seted up. The lead screw is rotated to drive the sliding block to move, the sliding block drives the clamping plates to move, the lines of the threads in the sliding grooves in the two positions of the lead screw are opposite, and the lead screw drives the two clamping plates to move to the clamping workpiece in the close direction.

In view of the above-mentioned related art, the inventor believes that there is a defect that the steel bar under test is very likely to cause the clamping plate to twist.

SUMMERY OF THE UTILITY MODEL

In order to improve the reinforcing bar and very easily drive the splint and twist reverse and influence the condition that detects the precision, this application provides a reinforcing bar bending test machine repeatedly convenient to press from both sides tight reinforcing bar.

The application provides a pair of reinforcing bar repeated bending test machine convenient to press from both sides tight reinforcing bar adopts following technical scheme:

rebar is bending test machine repeatedly convenient to press from both sides tight reinforcing bar, set up a pair of clamping jaw on the workstation including workstation and slip, it is provided with the grip slipper to correspond the clamping jaw slip on the workstation, the vertical mounting panel that has set firmly on the grip slipper, the clamping jaw links to each other with the vertical terminal surface of mounting panel and the top surface of grip slipper is fixed simultaneously, a plurality of strengthening ribs have set firmly on the grip slipper, the strengthening rib is the setting of right angle triangular prism form, the strengthening rib is arranged along the length direction of mounting panel and is set up, one of them right angle face of strengthening rib links to each other with the top surface of grip slipper is fixed, the vertical terminal surface that the clamping jaw was kept away from to another.

Through adopting above-mentioned technical scheme, when the user pressed from both sides tight positioning steel bar through the slip of clamping jaw, strengthening rib and mounting panel support the clamping jaw in the level, the two-way block clamping jaw of mounting panel and grip slipper, and the clamping jaw is difficult to twist reverse and deformation, and the precision that the reinforcing bar detected is difficult for reducing because of the twisting of clamping jaw, mounting panel and grip slipper.

Optionally, a guide rod penetrating through the clamping seat along the sliding direction of the clamping seat is fixedly arranged on the workbench, the guide rod penetrates through two ends of the clamping seat in the width direction, a clamping screw is connected to the workbench in a rotating mode, the clamping screw penetrates through the two clamping seats along the sliding direction of the clamping seat, threads at two ends of the clamping screw are opposite in rotating direction, the clamping screw is in threaded connection with the clamping seat, and a clamping motor is connected to the clamping screw in a transmission mode.

Through adopting above-mentioned technical scheme, it is rotatory through centre gripping motor control clamping screw, and then control two grip slipper and slide, two guide rods make the grip slipper more difficult to twist reverse with the butt of grip slipper spacing, and the result of use is more stable.

Optionally, all be provided with the dovetail on the vertical terminal surface of mounting panel and the top surface of grip slipper, the length direction of dovetail is on a parallel with the width direction of mounting panel, the dovetail all runs through corresponding mounting panel and grip slipper along self length direction, it has set firmly the dovetail block to correspond the dovetail on the clamping jaw, the dovetail block is used for sliding the gomphosis with the dovetail, be provided with the change mechanism that is used for fixed dovetail and dovetail block relative position on the grip slipper.

Through adopting above-mentioned technical scheme, dovetail piece can slide business turn over dovetail and change the mechanism and make the clamping jaw can conveniently unpick and install, the block of clamping jaw and mounting panel to and the block of clamping jaw and grip slipper makes the stress conduction between clamping jaw, mounting panel and the grip slipper more stable and smooth and easy, and the dispersion atress is effectual with reduction deformation and torsion, and the reinforcing bar of different specifications can be pressed from both sides tightly and experimental to this testing machine, and the commonality is good.

Optionally, change the mechanism including inserting the change pole of establishing on mounting panel and grip slipper, change the pole and extend to in the dovetail and run through the dovetail piece, all the gomphosis is provided with and changes the fixed change board that links to each other of pole on mounting panel and the grip slipper, all rotatory preforming that is provided with on mounting panel and the grip slipper, the rotation center line of preforming is on a parallel with the axis of changing the pole, the preforming is used for closing the change integrated circuit board and fixes on corresponding mounting panel or grip slipper.

Through adopting above-mentioned technical scheme, fix the forked tail piece in the dovetail through the grafting of changing pole and forked tail piece is spacing, will change the board and change the relative position of pole block location on corresponding mounting panel or grip slipper through the preforming, change the preforming and change the board through the rotation of preforming to user's accessible is manual inserts and is established and change the fixed of pole realization forked tail piece and dovetail relative position, and fixed operation is simple and fixed stability is good.

Optionally, two the opposite face of clamping jaw all is the arc setting that the direction of bending is relative, two all arrange on the opposite face of clamping jaw and inlay and be equipped with the locking adhesive tape, the direction of arrangement of locking adhesive tape is on a parallel with the width direction of clamping jaw.

Through adopting above-mentioned technical scheme, the coefficient of friction between locking adhesive tape and the reinforcing bar is big, and the locking adhesive tape can block with the reinforcing bar of taking the line more closely, and the setting up of locking adhesive tape has effectively strengthened the stability that the reinforcing bar presss from both sides tight location.

Optionally, a locking groove is formed in the clamping jaw corresponding to the locking adhesive tape, and the locking adhesive tape is detachably and fixedly connected with the clamping jaw through interference embedding with the locking groove.

Through adopting above-mentioned technical scheme, can convenient the change after the locking adhesive tape wearing and tearing.

Optionally, two erect the safe stretch cord between the mounting panel, the one end of safe stretch cord links to each other with one of them mounting panel is detachable fixed, the other end of safe stretch cord links to each other with another mounting panel is detachable fixed.

Through adopting above-mentioned technical scheme, safe elastic cord further reduces the possibility of reinforcing bar and clamping jaw slippage, and it is better to detect the precision.

Optionally, the both ends of safe elastic cord all set firmly the collar, wear to be equipped with mounting bolt on the collar, mounting bolt is used for and mounting panel threaded connection.

Through adopting above-mentioned technical scheme, safe elastic cord passes through the threaded connection realization of mounting bolt and mounting panel and conveniently tears ann, convenient to use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the reinforcing ribs and the bidirectional clamping together prevent the clamping jaws from twisting, so that the effect of accurate detection of the reinforcing steel bars is stable;

2. the steel bar is further prevented from slipping through the safety elastic rope, and the detection is convenient.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a sectional view of the inner structure of the locking groove according to the embodiment of the present application.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.

Description of reference numerals: 1. a work table; 11. a guide rod; 12. clamping the screw rod; 13. a clamping motor; 2. a clamping seat; 21. mounting a plate; 211. an accommodating groove; 212. a threaded hole; 22. reinforcing ribs; 3. a clamping jaw; 31. a locking groove; 32. locking rubber strips; 33. a dovetail block; 331. inserting holes; 4. a dovetail groove; 5. a safety elastic cord; 51. a mounting ring; 52. installing a bolt; 6. replacing the rod; 61. replacing the plate; 62. and (6) tabletting.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses reinforcing bar repeated bending test machine convenient to press from both sides tight reinforcing bar. Referring to fig. 1, the repeated bending tester for reinforcing steel bars convenient for clamping reinforcing steel bars comprises a workbench 1 and two clamping seats 2 arranged on the workbench 1 in a sliding manner along the width direction of the workbench 1, wherein the number of the clamping seats 2 is two, and the two clamping seats 2 are arranged along the width direction of the workbench 1. The vertical mounting panel 21 that has set firmly on the grip slipper 2, the length direction of mounting panel 21 is on a parallel with the length direction of workstation 1. All set firmly clamping jaw 3 on the relative vertical terminal surface of two mounting panels 21, the bottom surface of clamping jaw 3 links to each other with the top surface of grip slipper 2 is fixed, and clamping jaw 3 is used for pressing from both sides tight reinforcing bar. All set firmly a plurality of strengthening ribs 22 on the vertical terminal surface that two mounting panels 21 leave mutually, strengthening rib 22 is the setting of right angle triangular prism form, and one of them right-angle face of strengthening rib 22 links to each other with the top surface of grip slipper 2 is fixed, and another right-angle face of strengthening rib 22 links to each other with mounting panel 21 is fixed. The number of the reinforcing ribs 22 may be two or four, but any number may be used as long as the number of the reinforcing ribs can prevent the deformation and torsion of the mounting plate 21, and three reinforcing ribs are used in the present embodiment.

The user can slide the clamping base 2 to drive the two clamping jaws 3 to move relatively or away from each other, so as to clamp the reinforcing steel bar. The mounting plate 21 and the clamping base 2 jointly contact the clamping jaw 3 and prevent the clamping jaw 3 from twisting or deforming, the reinforcing ribs 22 effectively support the mounting plate 21, stress conduction between the mounting plate 21 and the clamping base 2 is stable, and the mounting plate 21 and the clamping base 2 are not easy to twist. Therefore, the steel bars cannot drive the mounting plate 21 and the clamping seat 2 to twist, the clamping stability is good, and the detection precision is high.

Referring to fig. 1 and 2, two guide rods 11 are arranged and erected on the workbench 1 along the length direction thereof, and the axes of the guide rods 11 are parallel to the width direction of the workbench 1. A clamping screw 12 is arranged between the guide rods 11, and the clamping screw 12 is rotatably arranged on the workbench 1 in a state that the axis is parallel to the width direction of the workbench 1. The clamping screw 12 and the guide rod 11 both penetrate through the two clamping seats 2 along the axial direction of the clamping screw 12, the thread turning directions of the two ends of the clamping screw 12 are opposite, and the two clamping seats 2 are respectively provided with two ends of the clamping screw 12 and are in threaded connection with the clamping screw 12. The worktable 1 is fixedly provided with a clamping motor 13, and an output shaft of the clamping motor 13 is in transmission connection with a clamping screw 12.

The user can drive the clamping screw 12 to rotate through the clamping motor 13, and then drive the two clamping bases 2 to synchronously move relatively or away from each other, and further drive the clamping jaws 3 to move relatively or away from each other. When the clamping seat 2 is displaced, the two guide rods 11 guide the displacement of the clamping seat 2 by penetrating through the clamping seat 2, the two guide rods 11 are abutted with the clamping seat 2 for limiting and preventing the clamping seat 2 from twisting, and the possibility of twisting the clamping seat 2, the mounting plate 21 and the clamping jaw 3 is lower.

Referring to fig. 1 and 3, in order to further enhance the stability when the reinforcing steel bar is clamped, two safety elastic ropes 5 are erected between the two mounting plates 21, the safety elastic ropes 5 are sequentially arranged along the length direction of the workbench 1, mounting rings 51 are fixedly arranged at both ends of each safety elastic rope 5, and mounting bolts 52 are arranged on the mounting rings 51 in a penetrating manner. The top surface of the mounting plate 21 is provided with a vertical-axis threaded hole 212 corresponding to the mounting bolt 52, and the threaded hole 212 is used for being in threaded connection with the mounting bolt 52. The end of the installation elastic rope is detachably and fixedly connected with the top surface of the installation plate 21 through the penetration of the installation bolt 52 and the installation ring 51 and the threaded connection of the installation bolt 52 and the threaded hole 212.

The safety elastic rope 5 further pulls the two mounting plates 21, thereby preventing the two mounting plates 21 from twisting and effectively reducing the possibility that the reinforcing steel bar slips from between the two clamping jaws 3. When the user needs to detach the safety elastic rope 5, the mounting bolt 52 is screwed off, the safety elastic rope 5 can be reset through reverse operation, and the safety elastic rope 5 is convenient to detach and install and convenient to use.

Referring to fig. 3, the clamping jaws 3 are arranged in a block shape, and the opposite surfaces of the two clamping jaws 3 are arranged in an arc shape with opposite bending directions. The opposite surfaces of the two clamping jaws 3 are respectively provided with a locking groove 31 in an arrangement mode, and the arrangement direction of the locking grooves 31 is parallel to the bus direction of the arc-shaped surfaces of the clamping jaws 3. The locking rubber strip 32 is arranged in the locking groove 31 in an interference fit mode, and the locking rubber strip 32 is detachably and fixedly connected with the clamping jaw 3 through the interference fit with the locking groove 31. Outside locking adhesive tape 32 extended to locking groove 31, locking adhesive tape 32 can be deformed to laminating completely with the reinforcing bar, and the reinforcing bar is by the fixed contact surface increase of block, and the coefficient of friction of locking reinforcing bar is big, and the reinforcing bar is difficult for slipping from clamping jaw 3. Meanwhile, the locking rubber strip 32 can be manually disassembled and assembled, and the locking rubber strip 32 is convenient to replace.

Referring to fig. 3, the end surface of the mounting plate 21 close to the clamping jaw 3 and the top surface of the clamping base 2 are both provided with a dovetail groove 4, and the length direction of the dovetail groove 4 is parallel to the length direction of the workbench 1. The dovetail groove 4 penetrates through the corresponding mounting plate 21 or the corresponding clamping seat 2 along the length direction of the dovetail groove 4, and a dovetail block 33 is fixedly arranged on the clamping jaw 3 corresponding to the dovetail groove 4. The dovetail block 33 is used for sliding in and out of the dovetail groove 4, and the holder 2 is provided with a replacement mechanism for fixing the dovetail block 33 in the dovetail groove 4. The replacing mechanism comprises a replacing rod 6 inserted on the mounting plate 21 and the clamping seat 2, the axis of the replacing rod 6 arranged on the mounting plate 21 is vertical, and the axis of the replacing rod 6 arranged on the clamping seat 2 is parallel to the width direction of the workbench 1.

Referring to fig. 3 and 4, the dovetail block 33 is provided with a plug hole 331 through which the replacement rod 6 passes, an end portion of the replacement rod 6 extending into the dovetail groove 4 passes through the plug hole 331, and the other end of the replacement rod 6 is fixedly provided with the replacement plate 61. The end surface of the replacement plate 61 is disposed in the axial direction of the replacement rod 6, and the top surface of the mounting plate 21 and the side wall of the holder 2 are each provided with a receiving groove 211 into which the replacement plate 61 is fitted. The top surface of the mounting plate 21 and the side wall of the holder 2 are rotatably provided with pressing pieces 62, and the rotation center line of the pressing pieces 62 is parallel to the axial direction of the replacing rod 6. The projection of the rotation path of the pressing pieces 62 on the corresponding mounting plate 21 or the corresponding clamping seat 2 is partially overlapped with the accommodating groove 211, and the two pressing pieces 62 are symmetrically arranged on two sides of the accommodating groove 211.

When the user need change clamping jaw 3, rotatory preforming 62 separates with change board 61 to preforming 62, and manual extraction is changed board 61 and is changed pole 6, and manual dovetail 4 that slides out dovetail 33, can split mounting panel 21 and clamping jaw 3, split grip slipper 2 and clamping jaw 3, and the change work can be accomplished to reverse operation fixing new clamping jaw 3 on grip slipper 2. The engagement of the dovetail block 33 with the dovetail groove 4 further increases the contact area between the holding jaw 3 and the mounting plate 21, increases the contact surface between the holding jaw 3 and the holder 2, and further reduces the possibility that the holding jaw 3, the mounting plate 21, and the holder 2 are twisted together.

The implementation principle of the reinforcing bar repeated bending tester convenient to press from both sides tight reinforcing bar is: support through strengthening rib 22 and the spacing deformation and the torsion of preventing clamping jaw 3, mounting panel 21 and grip slipper 2 of butt of guide bar 11, clamping jaw 3 through the dovetail 4 with the gomphosis of sliding of dovetail 33 increased with mounting panel 21 to and with the area of the contact between grip slipper 2 and block, the stress that clamping jaw 3 received can evenly conduct on mounting panel 21 and grip slipper 2, the detection precision of reinforcing bar is difficult to reduce because of the deformation and the torsion of clamping jaw 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Rebar repeated bending test machine convenient to press from both sides tight reinforcing bar includes workstation (1) and a pair of clamping jaw (3) of slip setting on workstation (1), its characterized in that: it is provided with grip slipper (2) to correspond clamping jaw (3) and slide on workstation (1), vertically on grip slipper (2) have set firmly mounting panel (21), clamping jaw (3) link to each other with the vertical terminal surface of mounting panel (21) and the top surface of grip slipper (2) is fixed simultaneously, a plurality of strengthening ribs (22) have set firmly on grip slipper (2), strengthening rib (22) are the setting of right angle prism form, strengthening rib (22) are arranged along the length direction of mounting panel (21) and are set up, one of them right angle face of strengthening rib (22) is fixed continuous with the top surface of grip slipper (2), the vertical terminal surface that clamping jaw (3) were kept away from to another right angle face and mounting panel (21) of strengthening rib (22) is fixed continuous.

2. The machine of claim 1, wherein: set firmly guide rod (11) that run through holder (2) along holder (2) slip direction on workstation (1), guide rod (11) are all worn to be equipped with at both ends department on holder (2) width direction, swivelling joint has clamping screw (12) on workstation (1), two holders (2) are run through simultaneously along the slip direction of holder (2) in clamping screw (12), the screw thread at the both ends of clamping screw (12) is revolved to opposite, clamping screw (12) and holder (2) threaded connection, clamping screw (12) transmission is connected with centre gripping motor (13).

3. The machine of claim 1, wherein: all be provided with dovetail (4) on the vertical terminal surface of mounting panel (21) and the top surface of grip slipper (2), the length direction of dovetail (4) is on a parallel with the width direction of mounting panel (21), dovetail (4) all run through corresponding mounting panel (21) and grip slipper (2) along self length direction, corresponding dovetail (4) have set firmly dovetail (33) on clamping jaw (3), dovetail (33) are used for sliding the gomphosis with dovetail (4), be provided with the change mechanism that is used for fixed dovetail (4) and dovetail (33) relative position on grip slipper (2).

4. The machine of claim 3, wherein: change mechanism including inserting change pole (6) of establishing on mounting panel (21) and grip slipper (2), change pole (6) and extend to in dovetail (4) and run through dovetail (33), all the gomphosis be provided with change fixed the linking to each other of pole (6) and change board (61) on mounting panel (21) and grip slipper (2), all rotatory preforming (62) that is provided with on mounting panel (21) and grip slipper (2), the rotation center line of preforming (62) is on a parallel with the axis of changing pole (6), preforming (62) are used for fixing change board (61) block on corresponding mounting panel (21) or grip slipper (2).

5. The machine of claim 1, wherein: two the opposite face of clamping jaw (3) all is the relative arc setting of direction of bending, two all arrange on the opposite face of clamping jaw (3) and inlay and be equipped with locking adhesive tape (32), the direction of arrangement of locking adhesive tape (32) is on a parallel with the width direction of clamping jaw (3).

6. The machine of claim 5, wherein: the clamping jaw is characterized in that a locking groove (31) is formed in the clamping jaw (3) in a corresponding mode to the locking rubber strip (32), and the locking rubber strip (32) is detachably fixedly connected with the clamping jaw (3) through interference embedding with the locking groove (31).

7. The machine of claim 1, wherein: two erect safe stretch cord (5) between mounting panel (21), the one end of safe stretch cord (5) links to each other with the detachable fixed of one of them mounting panel (21), the other end and the detachable fixed of another mounting panel (21) of safe stretch cord (5) link to each other.

8. The machine of claim 7, wherein: the both ends of safe elastic cord (5) all set firmly installing ring (51), wear to be equipped with mounting bolt (52) on installing ring (51), mounting bolt (52) are used for with mounting panel (21) threaded connection.