CN210198611U

CN210198611U - Tension tester adopting LVDT sensor

Info

Publication number: CN210198611U
Application number: CN201921475205.XU
Authority: CN
Inventors: Yanfang Liu; 刘艳芳; Hongtao Cao; 曹洪涛
Original assignee: Zibo Weiderui Electric Technology Co Ltd
Current assignee: Zibo Weiderui Electric Technology Co Ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-03-27
Anticipated expiration: 2029-09-06

Abstract

The utility model relates to the technical field of tension measuring instruments, in particular to a tension measuring instrument adopting an LVDT sensor, which comprises a measuring instrument main body and a sensor, wherein the measuring instrument main body is provided with the sensor, one side of the sensor is provided with a control seat, the control seat is in an L-shaped bent plate shape, a columnar through hole is arranged on the control seat, the sensor penetrates through the columnar through hole on the control seat, a transmission ring and a pressure device are arranged in the control seat, the lower end of the transmission ring is connected with a pressure device, a plurality of pressure devices are uniformly and annularly arranged around a pull rod of the sensor, the upper end of the transmission ring is in transmission connection with a transmission shaft, one end of the transmission shaft extends to the outside of the control seat, the pressure device comprises a columnar lifting column, a spring and a control device, the utility model discloses a structural design realizes that the measuring instrument can carry out the test of the tension with different sizes, only needs to, the test result can be obtained, and the function is stable and strong.

Description

Tension tester adopting LVDT sensor

Technical Field

The utility model relates to a tension tester technical field specifically is an adopt tension tester of LVDT sensor.

Background

The tension measuring instrument adopting the LVDT sensor in the prior art has a limited tension measuring range, and the improvement of the measuring range is a problem to be improved and solved.

If the tension measuring instrument of the LVDT sensor can be invented, the auxiliary pulling device is arranged on the tension measuring instrument, the pressure resistance of the LVDT sensor is improved, and finally the data measured by the LVDT sensor is added with the pressure born by the auxiliary pulling device to obtain the final measuring result, the problem can be solved, so that the tension measuring instrument adopting the LVDT sensor is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adopt tension tester of LVDT sensor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tension tester adopting an LVDT sensor comprises a tester main body and the sensor, wherein the tester main body is provided with the sensor, one side of the sensor is provided with a control seat, the control seat is in an L-shaped bent plate shape, a columnar through hole is formed in the control seat, the sensor penetrates through the columnar through hole in the control seat, a transmission ring and a pressure device are arranged in the control seat, the lower end of the transmission ring is connected with the pressure device, a plurality of pressure devices are uniformly arranged around a pull rod of the sensor in a surrounding manner, the upper end of the transmission ring is in transmission connection with a transmission shaft, one end of the transmission shaft extends to the outside of the control seat, the pressure device comprises a columnar lifting column, a spring and a control device, the lower end of the lifting column is contacted with the spring, one side of the lifting column is connected with the control device, the control device comprises a support frame, a rubber column, a control rod, a torsional spring and a worm, square piece one end and the lift post fixed connection of support frame are provided with rubber column and torsional spring between two side otic placodes of support frame, the middle part of rubber column is run through there is the control lever, and one side of rubber column is connected with the torsional spring, and the torsional spring cover is on the control lever, the protruding tooth that a plurality of evenly distributed were equipped with on the ring of side otic placode and the control lever tip outer wall that control lever one end was run through the support frame, protruding tooth on the control lever are triangular prism form, and the upper end of support frame is provided with the worm, and the protruding tooth meshing on worm one end and the control lever is connected, and the worm other end is connected with the drive ring transmission, and support frame one side fixedly connected with bulge, imbeds the bearing in the bulge, and the post part of worm.

Preferably, the transmission ring is cylindrical, a plurality of triangular prism-shaped protruding teeth are uniformly distributed on two bottom surfaces of the cylinder body, the transmission ring partially extends into a cylindrical groove formed in the inner wall of the cylindrical through hole of the control seat, and the protruding teeth on the transmission ring are located in the cylindrical through hole of the control seat.

Preferably, one end of the transmission shaft extends into the inner cavity of the through hole of the control seat, the end part of the transmission shaft is fixedly connected with the gear, the end part of the worm is fixedly connected with the gear, the upper end of the transmission ring is in meshed connection with the gear on the transmission shaft, and the lower end of the transmission ring is in meshed connection with the gear on the worm.

Preferably, the rubber column is the column, has seted up the column through-hole on the rubber column, and the control lever is cup jointed in the through-hole activity on the rubber column, torsional spring one end and rubber column fixed connection, the other end and the control lever fixed connection of torsional spring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the structural design realizes that the apparatus can carry out the tensile test of the size of not leading to, only need to make the tensile data that the sensor provided add the pulling force data of the descending distance feedback of pressure device, can arrive the test result, and the function is stable powerful;

2. the utility model discloses a transmission is stabilized in the design of transmission ring sum pressure device, realizes stabilizing the transmission, and the spring rebounds after the work promotes the lift post, and lift post control device position rises, and transmission shaft and transmission ring contact once more realize the transmission and connect like this, improve the automation of whole apparatus.

Drawings

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

FIG. 2 is a schematic view of a pressure device;

FIG. 3 is a schematic structural diagram of the control device in FIG. 2;

fig. 4 is a schematic view of a rubber column structure.

In the figure: the tester comprises a tester body 1, a sensor 2, a control seat 3, a transmission ring 4, a pressure device 5, a lifting column 6, a spring 7, a control device 8, a support frame 10, a rubber column 11, a control rod 12, a torsion spring 13, a worm 14 and a transmission shaft 15.

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. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides an adopt tension apparatus of LVDT sensor, including apparatus main part 1 and sensor 2, be provided with sensor 2 on the apparatus main part 1, one side of sensor 2 is provided with control seat 3, control seat 3 is the L type and buckles the platelike, the column through-hole has been seted up on the control seat 3, sensor 2 runs through the column through-hole on the control seat 3, be provided with driving ring 4 and pressure device 5 in the control seat 3, the lower extreme of driving ring 4 is connected with pressure device 5, a plurality of pressure device 5 are even to encircle and are established around the pull rod of sensor 2, the upper end transmission of driving ring 4 is connected with transmission shaft 15, the one end of transmission shaft 15 extends to the control seat 3 outside, pressure device 5 includes cylindric lift post 6, spring 7 and controlling means 8, the lower extreme contact of lift post 6 has spring 7, one side of lift post 6 is connected with controlling means 8, controlling means 8 includes support frame 10, A rubber column 11, a control rod 12, torsional spring 13 and worm 14, support frame 10 shape is square piece one end body coupling has two side otic placodes, square piece one end and the 6 fixed connection of lift post of support frame 10, be provided with rubber column 11 and torsional spring 13 between two side otic placodes of support frame 10, rubber column 11's middle part runs through there is control lever 12, one side of rubber column 11 is connected with torsional spring 13, torsional spring 13 cover is on

control lever

12, 12 one end of control lever runs through the side otic placode of support frame 10 and the 12 tip outer walls of control lever are fitted with a contraceptive ring and are equipped with a plurality of evenly distributed's protruding tooth, protruding tooth on the control lever 12 is the prism, the upper end of support frame 10 is provided with worm 14, the protruding tooth meshing on 14 one end of worm and the control lever 12 is connected, the worm 14 other end and the transmission of drive ring 4 are connected, support frame 10 one side fixedly connected with the bulge piece, the embedding bearing worm in the bulge piece, the post.

The shape of the transmission ring 4 is a cylinder, a plurality of triangular prism-shaped protruding teeth are uniformly distributed on two bottom surfaces of the cylinder, the transmission ring 4 partially extends into a cylindrical groove formed in the inner wall of the cylindrical through hole of the control seat 3, and the protruding teeth on the transmission ring 4 are positioned in the cylindrical through hole of the control seat 3.

One end of the transmission shaft 15 extends into the inner cavity of the through hole of the control seat 3, the end part of the transmission shaft 15 is fixedly connected with a gear, the end part of the worm 14 is fixedly connected with the gear, the upper end of the transmission ring 4 is in meshed connection with the gear on the transmission shaft 15, and the lower end of the transmission ring 4 is in meshed connection with the gear on the worm 14.

Rubber column 11 is the column, the column through-hole has been seted up on rubber column 11, control lever 12 is cup jointed in the activity in the through-hole on the rubber column 11, 13 one end of torsional spring and 11 fixed connection of rubber column, the other end and the 12 fixed connection of control lever of torsional spring 13, refer to 11 cylinder sections of rubber column of fig. 4, refer to fig. 2, 15 one end of transmission shaft extends to 3 outsides of control cabinet, and 15 tip fixed connection plate handle of transmission shaft, transmission shaft 15 runs through the through-hole of seting up on the control cabinet 3, and imbed the bearing in the through-hole, transmission shaft 15 runs through the bearing of embedding on the otic placode of support frame 10, refer to fig. 2, open columnar cavity and platelike groove in the control cabinet 3, platelike groove bottom face end and columnar cavity intercommunication, lift post 6 and spring 7 set up in the columnar cavity of control cabinet 3, support frame 10 runs through the platelike groove on the.

The working principle is as follows: the rotation of a control transmission shaft 15 is controlled, the transmission shaft 15 drives a transmission ring 4 to rotate, the transmission ring 4 drives a worm 14 to rotate, the worm 14 controls a control rod 12 to rotate, the control rod 12 drives a torsion spring 13, the torsion spring 13 controls a rubber column 11 to rotate, the transmission ring 4 is referred to in a figure, the rubber column 11 rotates anticlockwise, the outer wall of the rubber column 11 is contacted with the outer wall of a pull rod of a sensor 2, the torsion spring 13 always provides certain elasticity to enable the outer wall of the pull rod of the rubber column 11 to be tightly attached, the friction force enables a plurality of control devices 8 and the pull rod to be synchronously fixed, when the sensor 2 works, the tension force enables the position of the pull rod to descend, the pull rod drives a control device 8, the control devices 8 control a lifting column 6, the descending of the lifting column 6 is pushed and influenced by springs 7, so that the springs 7 provide upward force for balancing the descending force of the pull rod, and, and controlling whether a plurality of pressure devices 5 work or not so that the sensor 2 can deal with tension tests with different sizes.

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 utility model provides an adopt tension apparatus of LVDT sensor, includes apparatus main part (1) and sensor (2), is provided with sensor (2) on apparatus main part (1), its characterized in that: one side of the sensor (2) is provided with a control seat (3), the control seat (3) is in an L-shaped bent plate shape, a columnar through hole is formed in the control seat (3), the sensor (2) penetrates through the columnar through hole in the control seat (3), a transmission ring (4) and a pressure device (5) are arranged in the control seat (3), the lower end of the transmission ring (4) is connected with the pressure device (5), the pressure device (5) is uniformly and annularly arranged around a pull rod of the sensor (2), the upper end of the transmission ring (4) is in transmission connection with a transmission shaft (15), one end of the transmission shaft (15) extends to the outside of the control seat (3), the pressure device (5) comprises a cylindrical lifting column (6), a spring (7) and a control device (8), the lower end of the lifting column (6) is in contact with the spring (7), one side of the lifting column (6) is connected with the control device (8), the control device (8) comprises a support frame (10), a rubber column (11), a control rod (12), a torsion spring (13) and a worm (14), wherein the support frame (10) is in a square shape, one end of the square shape is integrally connected with two side lug plates, one end of the square shape of the support frame (10) is fixedly connected with a lifting column (6), the rubber column (11) and the torsion spring (13) are arranged between the two side lug plates of the support frame (10), the control rod (12) penetrates through the middle part of the rubber column (11), one side of the rubber column (11) is connected with the torsion spring (13), the torsion spring (13) is sleeved on the control rod (12), one end of the control rod (12) penetrates through the side lug plates of the support frame (10) and the outer wall of the end part of the control rod (12) is annularly provided with a plurality of uniformly distributed protruding teeth, the protruding teeth on the control rod (12) are in a triangular prism shape, the upper, one end of the worm (14) is meshed with the convex teeth on the control rod (12), the other end of the worm (14) is in transmission connection with the transmission ring (4), one side of the support frame (10) is fixedly connected with a convex block, a bearing is embedded into the convex block, and the post rod part of the worm (14) penetrates through the bearing on the convex block.

2. A tensiometer according to claim 1 employing LVDT sensors characterized in that: the transmission ring (4) is cylindrical, a plurality of triangular prism-shaped protruding teeth are uniformly distributed on two bottom surfaces of the cylinder body in an annular mode, the transmission ring (4) partially extends into a cylindrical groove formed in the inner wall of the cylindrical through hole of the control seat (3), and the protruding teeth on the transmission ring (4) are located in the cylindrical through hole of the control seat (3).

3. A tensiometer according to claim 1 employing LVDT sensors characterized in that: one end of the transmission shaft (15) extends into the inner cavity of the through hole of the control seat (3), the end part of the transmission shaft (15) is fixedly connected with the gear, the end part of one end of the worm (14) is fixedly connected with the gear, the upper end of the transmission ring (4) is meshed and connected with the gear on the transmission shaft (15), and the lower end of the transmission ring (4) is meshed and connected with the gear on the worm (14).

4. A tensiometer according to claim 1 employing LVDT sensors characterized in that: rubber column (11) are the column, have seted up the column through-hole on rubber column (11), and control lever (12) are cup jointed in the through-hole activity on rubber column (11), torsional spring (13) one end and rubber column (11) fixed connection, the other end and control lever (12) fixed connection of torsional spring (13).