CN-224231163-U - Special impact wrench detection device for railway

Abstract

The utility model discloses a railway special impact wrench detection device which comprises a bracket, a torque sensor, a first connecting piece, a second connecting piece and a display, wherein a steel rail is arranged on the bracket and is fixed on the bracket through a bolt and a track fastener, the torque sensor is arranged on the bracket and is positioned above the bolt, an input shaft of the torque sensor is connected with the first connecting piece and is used for connecting an impact wrench, an output shaft is connected with the second connecting piece, a sleeve is arranged at the bottom of the second connecting piece and is used for connecting the bolt and driving the bolt to rotate so as to realize tightness of the track fastener, and the display is connected with the torque sensor and is used for displaying detection data of the torque sensor. The device detect whole journey and go on under the impact wrench real-time operation condition, can reach accurate detection effect, have that the detection precision is high, stability is good, interference immunity is strong characteristics, can debug impact wrench through the detection data, make it satisfy fastener system requirement to ensure railway driving safety.

Inventors

• NI LONG
• YANG YULIN
• SHEN LEI
• LI WENBIN
• TAN QINGTAO
• YANG YUNYING
• LIU JIANMING
• KONG YUE
• XU WENCHAO
• LI HAILONG
• Lu Yantou
• LUO CHENG
• LUO PENGHUI
• HAN KAI

Assignees

• 中国铁路昆明局集团有限公司开远工务段

Dates

Publication Date

20260512

Application Date

20250513

Claims (9)

1. 1. The special impact wrench detection device for the railway comprises a torque sensor (2), and is characterized by further comprising: The torque sensor comprises a bracket (1), wherein a steel rail (62) is arranged on the bracket (1), the steel rail (62) is fixed on the bracket (1) through a bolt (66) and a rail fastener (65), and the torque sensor (2) is arranged on the bracket (1) and is positioned above the bolt (66); A first connecting piece (3) connected with the input shaft of the torque sensor (2) and used for connecting an impact wrench (9); The second connecting piece (4) is connected with the output shaft of the torque sensor (2), a sleeve (5) is arranged at the bottom of the second connecting piece, and the sleeve (5) is used for connecting the bolt (66); and the display instrument (7) is connected with the torque sensor (2) and is used for displaying detection data of the torque sensor (2).
2. 2. Railway special impact wrench detection device according to claim 1, characterized in that the bracket (1) comprises: A base plate (1) for mounting a rail (62); And the vertical plate (12) is fixedly connected with the base plate (11) to form an L-shaped structure, and the torque sensor (2) is arranged on the vertical plate (12).
3. 3. Railway special impact wrench detection device according to claim 2, characterized in that the torque sensor (2) is arranged to be position-adjustable in height direction of the riser (12).
4. 4. A railway special impact wrench detection device as claimed in claim 3, wherein the vertical plate (12) is provided with a vertical waist-shaped hole (13), one side of the torque sensor (2) close to the vertical plate (12) is provided with a mounting plate (21), and the mounting plate (21) is connected with the vertical waist-shaped hole (13).
5. 5. The railway special impact wrench detection device according to claim 2, wherein the base plate (11) is provided with a rubber pad (61), the steel rail (62) is arranged on the rubber pad (61), and the two sides of the steel rail (62) are provided with track gauge blocks (63); one side that rubber pad (61) was kept away from to gauge piece (63) is provided with iron backing plate (64), during the use, track fastener (65) are located gauge piece (63) and iron backing plate (64) top, bolt (66) pass track fastener (65) and are connected with iron backing plate (64).
6. 6. Railway special impact wrench detection device according to claim 1, characterized in that the first connection piece (3) comprises: A wrench connecting part (31) for connecting an impact wrench (9); and an input unit (32) which is connected to the input shaft of the torque sensor (2) by a key.
7. 7. Railway special impact wrench detection device according to claim 1, characterized in that the second connection piece (4) comprises: An output unit (41) which is connected to the torque sensor (2) by a key; And the sleeve connecting part (42) is provided with a square shaft (43), and the square shaft (43) is used for connecting the sleeve (5).
8. 8. Railway special impact wrench detection device according to claim 2, characterized in that the side of the riser (12) remote from the base plate (11) is provided with a standing platform (14), which standing platform (14) is intended for the detection personnel to stand.
9. 9. The railway specific impact wrench testing device according to claim 1, further comprising: and the power supply (8) is connected with the display instrument (7).

Description

Special impact wrench detection device for railway Technical Field The utility model relates to the technical field of wrench detection, in particular to a special impact wrench detection device for a railway. Background The impact wrench special for railway (internal combustion and lithium battery) is a common working tool for railway service professional line and turnout maintenance operation. The main function of the impact wrench is to provide a threaded connection which meets the torque of a railway fastener system and is used for fastening or detaching bolts, nuts and the like of railway fasteners and needs proper torque. The quality of the impact wrench directly influences the quality of railway maintenance operation and the driving safety of the railway. At present, various impact wrenches are widely used for ballasted or ballastless lines and turnouts of common-speed and high-speed railways. After the impact wrench is used for a period of time, the abnormal use conditions of 1. The impact wrench torque, power, revolution, rail fastener clearance and other parameters are larger than the parameter torque output by the corresponding gear, the power is large, the revolution is high, the rail-free fastener clearance and the spring strip are seriously deformed, so that the railway fastener is damaged, and the railway maintenance operation cost is increased. 2. The parameters such as torque, power, revolution, track fastener clearance of the impact wrench are smaller than the parameters output by corresponding gears, the power is small, the revolution is low, the track fastener clearance is large, the fastening pressure of the railway fastener system is insufficient, and the railway maintenance quality and the driving safety are seriously affected. The failure to accurately control the output torque and power of the impact wrench can lead to the fact that the tightness of the track bolt cannot meet the requirements of a fastener system, the driving safety is seriously affected, and at present, the impact wrench is not detected and debugged by detection equipment aiming at the special (internal combustion and lithium battery) impact wrench for railways and then put into use. Disclosure of utility model Aiming at the problems, the utility model provides the special railway impact wrench detection device, which adopts a mode of simulating the fastening of the impact wrench or the disassembly of a real railway fastener to determine whether the impact wrench meets the fastening requirement of a railway fastener system, thereby ensuring the railway maintenance quality. Specifically, the utility model is realized as follows: a railway specific impact wrench testing device, comprising: a torque sensor; The support is provided with a steel rail, the steel rail is fixed on the support through bolts and rail fasteners, and the torque sensor is arranged on the support and is positioned above the bolts; The first connecting piece is connected with the torque sensor input shaft and is used for connecting an impact wrench; The second connecting piece is connected with the torque sensor output shaft, a sleeve is arranged at the bottom of the second connecting piece, and the sleeve is used for connecting the bolt; And the display instrument is connected with the torque sensor and used for displaying detection data of the torque sensor. Further, the bracket includes: A base plate for mounting the rail; and the vertical plate is fixedly connected with the base plate to form an L-shaped structure, and the torque sensor is arranged on the vertical plate. Further, the torque sensor is configured to be position-adjustable in the riser height direction. Further, be provided with vertical waist type hole on the riser, one side that torque sensor is close to the riser is provided with the mounting panel, the mounting panel is connected with vertical waist type hole. Further, the base plate is provided with a rubber pad, and the steel rail is arranged on the rubber pad; and an iron base plate is arranged on one side, far away from the rubber pad, of the gauge block, when the gauge block is used, the rail fastener is positioned above the gauge block and the iron base plate, and the bolt penetrates through the rail fastener to be connected with the iron base plate. Further, the first connector includes: a wrench connecting part for connecting an impact wrench; and the input part is connected with the torque sensor input shaft through keys. Further, the second connector includes: The output part is connected with the torque sensor output shaft through a key; And the sleeve connecting part is provided with a square shaft which is used for connecting the sleeve. Further, one side of the riser, which is far away from the base plate, is provided with a standing platform, and the standing platform is used for a detector to stand. Further, the railway special impact wrench detecting device further comprises: And the power supply is connecte