CN220136836U

CN220136836U - Screw pulling force test fixture

Info

Publication number: CN220136836U
Application number: CN202321137408.4U
Authority: CN
Inventors: 易碧海
Original assignee: Suzhou Yihe Industry And Trade Co ltd
Current assignee: Suzhou Yihe Industry And Trade Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-12-05
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses a screw tension test fixture, relates to the technical field of tension test fixture structures, and aims to solve the problems that an existing screw is inconvenient to place and cannot be clamped and fixed conveniently and rapidly. The locating device is characterized in that a locating rod is arranged above the locating rod, a transverse installation frame is arranged above the locating rod, a hydraulic cylinder is arranged at one end of the transverse installation frame, a movable seat is arranged below the hydraulic cylinder, limiting sliding seats are arranged at two ends of the movable seat, a connecting seat is arranged below the movable seat, a tension sensor is arranged below the connecting seat, an installation frame is arranged below the tension sensor, clamping cylinders are arranged at two ends of the installation frame, a clamping seat is arranged on one side of each clamping cylinder, a placing seat is arranged above the detection table, a screw is arranged at one end of the placing seat, a nut is arranged at the lower end of the screw, and a limiting backing plate is arranged at the upper end of the nut.

Description

Screw pulling force test fixture

Technical Field

The utility model relates to the technical field of tension test jig structures, in particular to a screw tension test jig.

Background

The screw is the instrument that utilizes the circular rotation of inclined plane and frictional force's of object physics and mathematic principle, the fastener thing of step by step, and the screw need detect the tensile strength effect of screw after carrying out production and processing to accomplish, consequently need use tensile test tool to detect the screw of production, avoid the screw quality unqualified to influence the use of screw.

Retrieved, grant publication number CN216847257U discloses an expansion screw tensile testing machine comprising a clamp for clamping a test product, further comprising: the cement block is positioned below the clamp; the up-and-down moving mechanism is positioned above the clamp and provided with a moving end, the moving end is fixed with the clamp through a connecting rod, and the up-and-down moving mechanism drives the clamp to move upwards; the stay wire sensor is connected with the movable end through a stay wire; the displacement sensor plate is horizontally arranged and fixed on the clamp; the two displacement sensors are respectively arranged at two ends of the sensor plate, and the displacement sensing ends face to the cement blocks below. The tensile strength of the test product can be determined from a plurality of parameters such as the stay wire sensor, the displacement sensor and the like, so that the detection is accurate and reliable.

However, when the existing screw is placed, the existing screw is very inconvenient and cannot be clamped and fixed conveniently and rapidly, so that the efficiency of screw tension test is affected, and therefore, a screw tension test fixture is urgently needed in the market to solve the problems.

Disclosure of Invention

The utility model aims to provide a screw tension test fixture, which solves the problems that the existing screw provided in the background art is very inconvenient to place and cannot be clamped and fixed conveniently and rapidly, so that the efficiency of screw tension test is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a screw tensile test tool, includes the test bench, the upper end of test bench is provided with spacing mount pad, the locating lever is installed to the top of spacing mount pad, horizontal mounting bracket is installed to the top of locating lever, the pneumatic cylinder is installed to the one end of horizontal mounting bracket, the below of pneumatic cylinder is installed and is removed the seat, the both ends that remove the seat all are provided with spacing slide, the connecting seat is installed to the below that removes the seat, tension sensor is installed to the below of connecting seat, the mounting bracket is installed to tension sensor's below, the both ends of mounting bracket all are provided with the centre gripping cylinder, the centre gripping seat is installed to one side of centre gripping cylinder, the seat is installed to the top of test bench, the inside of placing the seat is provided with places the empty groove, the upper end of placing the empty groove is provided with spacing spout, the lower extreme of placing the empty groove is provided with the standing groove, the lower extreme of placing the groove is provided with logical groove, the screw has been placed to the one end of placing the seat, the lower extreme of screw is provided with the nut, the upper end of setting up limit pad.

Preferably, one end of the positioning rod is located inside the limiting installation seat, the positioning rod is fixedly connected with the limiting installation seat through a hexagon screw, and one end of the positioning rod penetrates through the limiting sliding seat and extends to the outside of the limiting sliding seat.

Preferably, the lower extreme of pneumatic cylinder is provided with the telescopic link, the lower extreme of telescopic link is provided with the mounting panel, pass through set screw fixed connection between mounting panel and the removal seat.

Preferably, the tension sensor is fixedly connected with the connecting seat through a mounting screw, and the connecting seat and the movable seat are of an integrated structure.

Preferably, two clamping cylinders are arranged, the two clamping cylinders are symmetrical with respect to the vertical center line of the mounting frame, one end of each clamping cylinder is provided with a pushing rod, one end of each pushing rod is provided with a fixing plate, and the fixing plates are fixedly connected with the clamping seat through fastening screws.

Preferably, the nut is located inside the placing groove, the limiting base plate is located inside the placing groove, and one end of the screw penetrates through the limiting sliding groove, the placing groove and extends to the inside of the through groove respectively.

Compared with the prior art, the utility model has the beneficial effects that: this kind of screw tensile test tool through being located the inside of standing groove with the nut, spacing backing plate is located the inside of standing groove, make the one end of screw pass spacing spout respectively, the inside of standing groove and extending to logical groove, like this can be convenient place the screw, then through opening the pneumatic cylinder, make the telescopic link promote and remove the seat and remove along the direction of locating lever, make the mounting bracket move down suitable position department, then make the push rod promote the grip slipper and remove through opening the centre gripping cylinder, can carry out the centre gripping to the screw upper end through the grip slipper, rethread control pneumatic cylinder, make the mounting bracket upwards move, the pulling force of screw can be tested through the tension sensor of installation, like this can detect the pulling force of screw, avoid screw production quality disqualification, thereby influence the use of screw.

Drawings

FIG. 1 is an overall front view of the present utility model;

FIG. 2 is a perspective view of the placement base of the present utility model;

FIG. 3 is an enlarged view of a portion of area A of FIG. 1 in accordance with the present utility model;

fig. 4 is an enlarged view of a portion of the area B of fig. 1 in accordance with the present utility model.

In the figure: 1. a detection table; 101. a limit mounting seat; 2. a positioning rod; 3. a hexagonal screw; 4. a transverse mounting rack; 5. a hydraulic cylinder; 501. a telescopic rod; 502. a mounting plate; 6. a movable seat; 601. a limit sliding seat; 7. a fixing screw; 8. a connecting seat; 9. a tension sensor; 10. installing a screw; 11. a mounting frame; 12. a clamping cylinder; 1201. a push rod; 1202. a fixing plate; 13. a clamping seat; 14. a fastening screw; 15. a placement seat; 1501. placing the empty groove; 1502. limiting sliding grooves; 1503. a placement groove; 1504. a through groove; 16. a screw; 17. a nut; 18. and a limit backing plate.

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.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a screw pulling force test fixture, including detecting bench 1, detecting bench 1's upper end is provided with spacing mount pad 101, locating lever 2 is installed to spacing mount pad 101's top, horizontal mounting bracket 4 is installed to locating lever 2's top, pneumatic cylinder 5 is installed to horizontal mounting bracket 4's one end, moving seat 6 is installed to pneumatic cylinder 5's below, moving seat 6's both ends all are provided with spacing slide 601, connecting seat 8 is installed to moving seat 6's below, tension sensor 9 is installed to connecting seat 8's below, mounting bracket 11 is installed to tension sensor 9's below, mounting bracket 11's both ends all are provided with centre gripping cylinder 12, centre gripping cylinder 12's one side is installed centre gripping seat 13, place seat 15 is installed to detecting bench 1's top, place seat 15's inside is provided with places empty slot 1501, place empty slot 1501's upper end is provided with spacing spout 1502, place empty slot 1501's lower extreme is provided with placing slot 1503, the lower extreme is provided with logical groove, screw 16 is placed to placing seat 15's one end, screw 17 is provided with 17, 17 upper end 17 is provided with the nut 17, the nut is 18 in the nut is set up in the nut that needs to be in the working principle of carrying out the specification and the working principle of the hydraulic pressure sensor, the working principle is not in the working principle of the patent, the working principle is poor, and the working principle is described.

During the use, through being located the inside of standing groove 1503 with nut 17, spacing backing plate 18 is located the inside of standing groove 1501, make the one end of screw 16 pass spacing spout 1502 respectively, standing groove 1501 and extend to the inside of logical groove 1504, can be convenient like this place the screw, then through opening pneumatic cylinder 5, make telescopic link 501 promote and remove seat 6 and remove along the direction of locating lever 2, make mounting bracket 11 downwardly moving to suitable position department, then make push rod 1201 promote grip slipper 13 and remove through opening grip cylinder 12, can carry out the centre gripping to screw 16 upper end through grip slipper 13, rethread control pneumatic cylinder 5, make mounting bracket 11 upwards remove, can test the pulling force of screw through the tension sensor 9 of installation.

Referring to fig. 1, one end of a positioning rod 2 is located inside a limiting mounting seat 101, the positioning rod 2 is fixedly connected with the limiting mounting seat 101 through a hexagon screw 3, one end of the positioning rod 2 passes through a limiting slide seat 601 and extends to the outside of the limiting slide seat 601, the positioning rod 2 and the limiting mounting seat 101 can be conveniently mounted and fixed, and a moving seat 6 can move along the direction of the positioning rod 2 through the mounted positioning rod 2.

Referring to fig. 1, a telescopic rod 501 is disposed at the lower end of a hydraulic cylinder 5, a mounting plate 502 is disposed at the lower end of the telescopic rod 501, the mounting plate 502 is fixedly connected with a movable seat 6 through a fixing screw 7, the hydraulic cylinder 5 and the movable seat 6 can be conveniently mounted and fixed, and the hydraulic cylinder 5 is opened to enable the telescopic rod 501 to push the movable seat 6 to move, so that the placing seat 15 can be conveniently moved.

Referring to fig. 1, the tension sensor 9 is fixedly connected with the connecting seat 8 through the mounting screw 10, the connecting seat 8 and the moving seat 6 are of an integrated structure, the tension sensor 9 and the connecting seat 8 can be conveniently mounted and fixed, and the tension of the screw can be tested through the mounted tension sensor 9.

Referring to fig. 1 and 3, two clamping cylinders 12 are provided, the two clamping cylinders 12 are symmetrical about a vertical center line of the mounting frame 11, one end of each clamping cylinder 12 is provided with a pushing rod 1201, one end of each pushing rod 1201 is provided with a fixing plate 1202, the fixing plates 1202 are fixedly connected with the clamping seat 13 through fastening screws 14, the clamping cylinders 12 and the clamping seat 13 can be conveniently installed and fixed, the pushing rods 1201 push the clamping seat 13 to move by opening the clamping cylinders 12, the upper ends of screws 16 can be clamped through the clamping seats 13, the mounting frame 11 can be lifted through the clamping cylinders 12, and tension of the screws can be conveniently tested.

Referring to fig. 1, 2 and 4, the nut 17 is located inside the placement groove 1503, the limit pad 18 is located inside the placement groove 1501, one end of the screw 16 passes through the limit chute 1502, the placement groove 1501 and extends to the inside of the through groove 1504, and the screw to be tested can be conveniently placed through the arrangement.

Working principle: during the use, through being located the inside of standing groove 1503 with nut 17, spacing backing plate 18 is located the inside of standing groove 1501, make the one end of screw 16 pass spacing spout 1502 respectively, standing groove 1501 and extend to the inside of logical groove 1504, so can be convenient place the screw, then through opening pneumatic cylinder 5, make telescopic link 501 promote and remove seat 6 and remove along the direction of locating lever 2, make mounting bracket 11 downwardly moving to suitable position department, then make push rod 1201 promote grip slipper 13 and remove through opening grip cylinder 12, can carry out the centre gripping to screw 16 upper end through grip slipper 13, rethread control pneumatic cylinder 5, make mounting bracket 11 upwards remove, can test the pulling force of screw through the tension sensor 9 of installation, can detect the pulling force of screw like this, avoid screw production quality disqualification, thereby influence the use of screw.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a screw pulling force test fixture, includes detection platform (1), its characterized in that: the upper end of test bench (1) is provided with spacing mount pad (101), locating lever (2) are installed to the top of spacing mount pad (101), horizontal mounting bracket (4) are installed to the top of locating lever (2), pneumatic cylinder (5) are installed to the one end of horizontal mounting bracket (4), movable seat (6) are installed to the below of pneumatic cylinder (5), the both ends of movable seat (6) all are provided with spacing slide (601), connecting seat (8) are installed to the below of movable seat (6), tension sensor (9) are installed to the below of connecting seat (8), mounting bracket (11) are installed to the below of tension sensor (9), clamping cylinders (12) are arranged at two ends of the mounting frame (11), clamping seats (13) are arranged on one sides of the clamping cylinders (12), placing seats (15) are arranged above the detection table (1), placing empty slots (1501) are arranged in the placing seats (15), limiting sliding slots (1502) are arranged at the upper ends of the placing empty slots (1501), placing slots (1503) are arranged at the lower ends of the placing empty slots (1501), through slots (1504) are arranged at the lower ends of the placing slots (1503), screws (16) are arranged at one ends of the placing seats (15), the lower extreme of screw (16) is provided with nut (17), the upper end of nut (17) is provided with spacing backing plate (18).

2. The screw tension test fixture according to claim 1, wherein: one end of the locating rod (2) is located inside the limiting installation seat (101), the locating rod (2) is fixedly connected with the limiting installation seat (101) through a hexagon screw (3), and one end of the locating rod (2) penetrates through the limiting sliding seat (601) and extends to the outside of the limiting sliding seat (601).

3. The screw tension test fixture according to claim 1, wherein: the lower extreme of pneumatic cylinder (5) is provided with telescopic link (501), the lower extreme of telescopic link (501) is provided with mounting panel (502), pass through set screw (7) fixed connection between mounting panel (502) and the removal seat (6).

4. The screw tension test fixture according to claim 1, wherein: the tension sensor (9) is fixedly connected with the connecting seat (8) through a mounting screw (10), and the connecting seat (8) and the movable seat (6) are of an integrated structure.

5. The screw tension test fixture according to claim 1, wherein: the clamping cylinders (12) are arranged in two, the two clamping cylinders (12) are symmetrical with respect to the vertical center line of the mounting frame (11), one end of each clamping cylinder (12) is provided with a pushing rod (1201), one end of each pushing rod (1201) is provided with a fixing plate (1202), and the fixing plates (1202) are fixedly connected with the clamping seat (13) through fastening screws (14).

6. The screw tension test fixture according to claim 1, wherein: the nut (17) is located in the placing groove (1503), the limit base plate (18) is located in the placing groove (1501), and one end of the screw (16) penetrates through the limit sliding groove (1502) and the placing groove (1501) respectively and extends to the inside of the through groove (1504).