CN213579880U

CN213579880U - Test device for testing fastening torque of T-shaped bolt of embedded channel

Info

Publication number: CN213579880U
Application number: CN202023329698.1U
Authority: CN
Inventors: 李鹏举; 张平萍; 张钫; 史铭楷; 霍江娥
Original assignee: Sinosteel Nanjing New Material Research Institute Co Ltd; Sinosteel Zhengzhou Research Institute of Steel Wire Products Co Ltd
Current assignee: Sinosteel Nanjing New Material Research Institute Co Ltd; Sinosteel Zhengzhou Research Institute of Steel Wire Products Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-06-29
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a test device for testing pre-buried channel T type bolt fastening torque belongs to metal material test device's technical field. The test device includes motor and the speed reducer as output power, the adapter sleeve of transmission power that links to each other in proper order with the output shaft of speed reducer, sensor installation axle, torque sensor, pneumatic sleeve, the bottom inlays the dress on the slide in the sliding seat, the channel mounting panel that is F type structure, inlay the C type embedded channel of the right side uncovered groove in the channel mounting panel, the welding is in the vallecular cavity of C type embedded channel and the screw thread section extends the T type bolt of notch, the inner chamber combines together through screw thread and T type bolt, and outer hexagonal inlay card is in the nut in pneumatic sleeve inner chamber. Utilize the utility model discloses can test buried channel T type bolt fastening torque's test device accurately fast, have that efficiency of software testing is high, the loading is at the uniform velocity, detect accurate, the labour saving and time saving's of result advantage.

Description

Test device for testing fastening torque of T-shaped bolt of embedded channel

Technical Field

The utility model belongs to the technical field of metal material test device, concretely relates to a test device for testing pre-buried channel T type bolt fastening torque.

Background

The embedded channel is a toothed channel for buildings, and is widely applied to an electrified railway contact net tunnel. The requirements of the pre-buried channels are also specified in the standard TB/T3329-2013. The detection items related to the embedded channel in the standard are many, and the detection amount is also large. Wherein pre-buried channel T type bolt tightening torque's experiment generally utilizes hand-held type torque wrench to detect at present, and most of experimental testing result values reach 600~900N and are met m, need two testers to accomplish the experiment in coordination like this at least, strike easily, difficult continuous loading, not only consuming time power, result error are big, can not satisfy and accord with the test procedure of stipulating on the standard moreover. Therefore, a test device capable of testing the fastening torque of the T-shaped bolt of the embedded channel quickly, accurately, in a time-saving and labor-saving manner is required to be designed.

Disclosure of Invention

The utility model aims at providing a be exactly to above-mentioned weak point and a test device for testing pre-buried channel T type bolt fastening torque. Utilize the utility model discloses can test buried channel T type bolt fastening torque's test device accurately fast, have that efficiency of software testing is high, the loading is at the uniform velocity, detect accurate, the labour saving and time saving's of result advantage.

The purpose of the utility model can be realized by the following technical measures:

the utility model discloses a test device for testing pre-buried channel T type bolt fastening torque, which comprises a motor and a speed reducer (providing loading power) as output power, a connecting sleeve which is connected with an output shaft of the speed reducer in sequence and transmits power, a sensor mounting shaft, a torque sensor and a pneumatic sleeve (transmitting loading power, transmitting torque, the torque can be accurately detected by the torque sensor and directly displayed, the result is more accurate), the bottom is embedded on a slide way in a sliding seat, and a channel mounting plate is in an F-shaped structure (the channel mounting plate is used for embedding a C-shaped pre-buried channel; due to the simple structure of the channel mounting plate, the test device can be suitable for the test requirements corresponding to the T type bolt fastening torque of pre-buried channels with different specifications by replacing the channel mounting plate, the application range is wide, the universality is strong, the use is flexible, and the, the device comprises a groove channel mounting plate, a C-shaped embedded channel, a T-shaped bolt, a nut and a clamping device, wherein the position of the groove channel mounting plate can be flexibly adjusted according to the width of a sample, so that the sample to be tested is smoothly combined with a pneumatic sleeve, the clamping of the sample is quickly completed, and efficient testing is further realized); the connecting sleeve is combined with the speed reducer and the sensor mounting shaft in a key mode (fast connection and circumferential fixation are realized, torque is transmitted, and loading force is transmitted); the torque sensor is combined with the sensor mounting shaft and the pneumatic sleeve in a square column clamping and embedding mode (quick connection, torque transmission and loading force transmission are achieved).

The utility model discloses in the sensor installation axle is the three ladder column structures that increase in proper order, the first step is the quadrangular prism of cross-section square (through inlay card quadrangular prism, realize the quick connection between sensor installation axle and the torque sensor, transfer the moment of torsion, transfer the loading power), the second step is the cylinder, process out a plurality of flat key evaginations with the interval mode on the cylinder surface of third step; the inner chamber of adapter sleeve for two ladder column chambeies that increase in proper order, with the interval mode process a plurality of on the chamber face in first ladder column chamber with flat key form evagination assorted flat key form recess (flat key form recess and flat key form evagination are joined in marriage and are used, realize the high-speed connection and circumference between adapter sleeve and the sensor installation axle fixed, the transmission moment of torsion, the transmission loading force), process out on the chamber face in second ladder column chamber and have one and be used for inlaying the keyway of adorning the flat key (through inlaying the flat key in the keyway, realize the high-speed connection and the circumference between adapter sleeve and the speed reducer fixed, the transmission moment of torsion, the transmission loading force).

The utility model discloses in the bottom left and right sides processing of channel mounting panel have with slide assorted spout (through the adapted of spout and slide, can clamp the channel mounting panel to the sliding seat fast on, and the channel mounting panel can follow the sliding seat and control and remove required position).

The utility model discloses in sliding seat and speed reducer all seat and put the upper surface of connection at the support (have the same installation basis).

The design principle of the utility model is as follows:

the utility model discloses utilize motor and speed reducer to provide loading power, through the adapter sleeve, sensor installation axle, torque sensor, pneumatic sleeve transmits loading power, the transmission moment of torsion, and the C type embedded channel that is surveyed inlays and is adorned in the channel mounting panel that can move adjusting position, and through T type bolt and the transitional coupling back C type embedded channel of nut and pneumatic sleeve combine together, like this pneumatic sleeve again with loading power, the transmission moment of torsion passes through nut and T type bolt, can accurately detect the size of moment of torsion through torque sensor in this process, and direct display result-after reaching the moment of torsion that the standard stipulates, observe nut, T type bolt and C type embedded channel whether appear deformation, damage, crooked, phenomenon such as seizure; and continuously loading until the T-shaped bolt is damaged, measuring the corresponding fastening torque when the T-shaped bolt fails, and comparing whether the fastening torque value meets the standard requirement. Utilize the utility model discloses can test buried channel T type bolt fastening torque's test device accurately fast, have that efficiency of software testing is high, the loading is at the uniform velocity, detect accurate, the labour saving and time saving's of result advantage.

The utility model has the advantages of as follows:

utilize the utility model discloses can test buried channel T type bolt fastening torque's test device accurately fast, have that efficiency of software testing is high, the loading is at the uniform velocity, detect accurate, the labour saving and time saving's of result advantage.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the middle connecting sleeve of the present invention.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Fig. 4 is a sectional view taken along line B-B in fig. 2.

Fig. 5 is a schematic structural diagram of the installation shaft of the sensor in the present invention.

Fig. 6 is a left side view of fig. 5.

Fig. 7 is a schematic structural diagram of the channel mounting plate of the present invention.

Fig. 8 is a left side view of fig. 7.

The sequence numbers in the figure illustrate: 1. a motor; 2. a speed reducer; 3. the connecting sleeve comprises 3-1 parts of a connecting sleeve, 3-1 parts of a first stepped column cavity, 3-1-1 parts of a flat key-shaped groove, 3-2 parts of a second stepped column cavity, 3-2-1 parts of a key groove; 4. a flat bond; 5. a sensor mounting shaft is 5-1, a quadrangular prism is 5-2, a cylinder is 5-3, a third step section is 5-3-1, and a flat key shape protrudes outwards; 6. a torque sensor; 7. a pneumatic sleeve; 8. a channel mounting plate 8-1, a right open groove 8-2 and a sliding groove; 9. a sliding seat 9-1 and a slideway; 10. a support; 11. a T-bolt; 12. a nut; 13. c type embedded channel.

Detailed Description

The utility model discloses combine the figure to do further description:

as shown in figures 1-8, the test device for testing the fastening torque of the T-shaped bolt of the pre-buried channel of the utility model comprises a motor 1 and a speed reducer 2 (providing loading power) as output power, a connecting sleeve 3 which is connected with an output shaft of the speed reducer 2 in sequence and transmits power, a sensor mounting shaft 5, a torque sensor 6, a pneumatic sleeve 7 (transmitting loading power and transmitting torque, the torque can be accurately detected by the torque sensor 6 and directly displayed, the result is more accurate), a channel mounting plate 8 (the channel mounting plate 8 is used for embedding the C-shaped pre-buried channel 13) with the bottom embedded on a slideway 9-1 in a sliding seat 9 and an F-shaped structure, and the channel mounting plate 8 has simple structure and can be suitable for the test requirements of the fastening torque of the T-shaped bolt of the pre-buried channels with different specifications by replacing the channel mounting plate 8, the application range is wide, the universality is strong, and the use is flexible; the channel mounting plate 8 can slide along the sliding seat 9, the position of the channel mounting plate 8 can be flexibly adjusted according to the width of a sample, the sample to be tested is smoothly combined with the pneumatic sleeve 7, the clamping of the sample is rapidly completed, and efficient testing is further realized, a C-shaped embedded channel 13 embedded in a right open groove 8-1 in the channel mounting plate 8, a T-shaped bolt 11 (the C-shaped embedded channel 13 and the T-shaped bolt 11 are tested samples) which is installed in a groove cavity of the C-shaped embedded channel 13, the thread section of the T-shaped bolt extends out of a groove opening, the inner cavity is combined with the T-shaped bolt 11 through threads, and an outer hexagon is clamped and embedded in a nut 12 in the inner cavity of the pneumatic sleeve 7 (the T-shaped bolt 11 and the pneumatic sleeve 7 are indirectly combined through the nut 12; the connecting sleeve 3, the speed reducer 2 and the sensor mounting shaft 5 are combined in a key mode (fast connection and circumferential fixation are realized, torque is transmitted, and loading force is transmitted); the torque sensor 6 is combined with the sensor mounting shaft 5 and the pneumatic sleeve 7 in a square column clamping and embedding mode (quick connection, torque transmission and loading force transmission are achieved).

In the utility model, the sensor mounting shaft 5 is a three-step columnar structure which is sequentially increased, the first step section is a quadrangular prism 5-1 with a square section (the quick connection between the sensor mounting shaft 5 and the torque sensor 6, torque transmission and loading force transmission are realized by clamping and embedding the quadrangular prism 5-1), the second step section is a cylinder 5-2, and a plurality of flat key-shaped bulges 5-3-1 are processed on the cylindrical surface of the third step section 5-3 at intervals; the inner cavity of the connecting sleeve 3 is a two-step column cavity which is sequentially enlarged, a plurality of flat key-shaped grooves 3-1-1 matched with the flat key-shaped outer protrusions 5-3-1 are processed on the cavity surface of the first step column cavity 3-1 at intervals (the flat key-shaped grooves 3-1-1 are matched with the flat key-shaped outer protrusions 5-3-1 to realize quick connection and circumferential fixation between the connecting sleeve 3 and the sensor mounting shaft 5, and to transmit torque and loading force), and a key groove 3-2-1 for embedding the flat key 4 is processed on the cavity surface of the second step column cavity 3-2 (the flat key 4 is embedded in the key groove 3-2-1 to realize quick connection and circumferential fixation between the connecting sleeve 3 and the speed reducer 2, and to transmit torque and loading force).

The utility model discloses in the bottom left and right sides of channel mounting panel 8 process have with slide 9-1 assorted spout 8-2 (through the adapted of spout 8-2 and slide 9-1, can clamp channel mounting panel 8 to sliding seat 9 fast on, and channel mounting panel 8 can remove required position along the left and right sides of sliding seat 9).

The utility model discloses in sliding seat 9 and speed reducer 2 all seat and put the upper surface (have the same installation basis) of connecting at support 10.

The utility model discloses a concrete in service behavior as follows:

firstly, the utility model is assembled according to the structural description; then, a C-shaped embedded channel 13 to be detected is installed in a right open groove 8-1 of a channel installation plate 8 in an F-shaped structure, a T-shaped bolt 11 is installed in a groove cavity of the C-shaped embedded channel 13, a thread section of the T-shaped bolt 11 extends out of a groove opening, and a nut 12 is screwed on an extending thread section of the T-shaped bolt 11; then, sliding the channel mounting plate 8 along the lengthwise direction of the slideway 9-1 in the sliding seat 9, and adjusting the channel mounting plate 8 to a required proper position, namely, enabling the outer hexagon of the nut 12 to be clamped and embedded in the inner cavity of the pneumatic sleeve 7; then, the work of starter motor 1 drives speed reducer 2, adapter sleeve 3, sensor installation axle 5, torque sensor 6, pneumatic sleeve 7, nut 12, T type bolt 11 in proper order and rotates, transmits moment of torsion, transmission loading power at transmission pivoted in-process to can accurately detect the size of moment of torsion and direct display result through torque sensor 6. And after the torque reaches the standard specified torque, observing whether the nut 12, the T-shaped bolt 11 and the C-shaped embedded channel 13 are deformed, damaged, inclined, seized and the like. And continuously loading until the T-shaped bolt 11 is damaged, measuring the corresponding fastening torque when the T-shaped bolt 11 fails, and comparing whether the fastening torque value meets the standard requirement.

Claims

1. The utility model provides a test device for testing buried channel T type bolt tightening torque which characterized in that: the testing device comprises a motor (1) and a speed reducer (2) which are used as output power, a connecting sleeve (3) which is sequentially connected with an output shaft of the speed reducer (2) to transmit power, a sensor mounting shaft (5), a torque sensor (6) and a pneumatic sleeve (7), a channel mounting plate (8) with an F-shaped structure, a C-shaped embedded channel (13) embedded in a right opening groove (8-1) in the channel mounting plate (8) and with the bottom embedded on a slide way (9-1), a T-shaped bolt (11) which is installed in a groove cavity of the C-shaped embedded channel (13) and has a thread section extending out of a groove opening, and a nut (12) with an inner cavity combined with the T-shaped bolt (11) through threads and an outer hexagon clamped and embedded in an inner cavity of the pneumatic sleeve (7); the connecting sleeve (3) is combined with the speed reducer (2) and the sensor mounting shaft (5) in a key mode; and the torque sensor (6) is combined with the sensor mounting shaft (5) and the pneumatic sleeve (7) in a square column clamping and embedding manner.

2. The test device for testing the fastening torque of the T-shaped bolt of the embedded channel according to claim 1, characterized in that: the sensor mounting shaft (5) is of a sequentially enlarged three-step columnar structure, the first step section is a quadrangular prism (5-1) with a square section, the second step section is a cylinder (5-2), and a plurality of flat key-shaped bulges (5-3-1) are machined on the cylindrical surface of the third step section (5-3) at intervals; the inner cavity of the connecting sleeve (3) is two stepped column cavities which are sequentially enlarged, a plurality of flat key-shaped grooves (3-1-1) matched with the flat key-shaped bulges (5-3-1) are processed on the cavity surface of the first stepped column cavity (3-1) at intervals, and a key groove (3-2-1) for embedding the flat key (4) is processed on the cavity surface of the second stepped column cavity (3-2).

3. The test device for testing the fastening torque of the T-shaped bolt of the embedded channel according to claim 1, characterized in that: and sliding chutes (8-2) matched with the sliding rails (9-1) are processed at the left side and the right side of the bottom of the channel mounting plate (8).

4. The test device for testing the fastening torque of the T-shaped bolt of the embedded channel according to claim 1, characterized in that: the sliding seat (9) and the speed reducer (2) are both connected to the upper surface of the support (10) in a seating mode.