CN210618147U

CN210618147U - Track fastener overhauls equipment

Info

Publication number: CN210618147U
Application number: CN201921575395.2U
Authority: CN
Inventors: 王欣; 王东; 陈军; 李平; 张麒; 梅昆; 彭敏
Original assignee: Wuhan Tuofan Rail Transit Technology Co ltd
Current assignee: Wuhan Tuofan Rail Transit Technology Co ltd
Priority date: 2019-09-21
Filing date: 2019-09-21
Publication date: 2020-05-26
Anticipated expiration: 2029-09-21

Abstract

The utility model discloses a track fastener overhaul equipment, which comprises a detection device, wherein the detection device comprises a first trolley, a detection module mounted on the first trolley and a position marking device, and the detection module comprises a detector for detecting the height size of the top of a threaded spike and a first controller; the fastening device comprises a second trolley, a moving mechanism arranged on the second trolley, a thread fastening device arranged on the moving mechanism and a second controller, wherein the thread fastening device is positioned right above the thread spike; a position recognition device is arranged on the second trolley; the first trolley and the second trolley are provided with communication modules, the communication module on the first trolley is electrically connected with the first controller, and the communication module and the position identification device on the second trolley are electrically connected with the second controller; the detector is positioned right above the thread spike. The utility model can realize full-automatic detection and maintenance, and the detection equipment detects data; the fastening device can automatically fasten the spike and can also automatically detect results before and after fastening.

Description

Track fastener overhauls equipment

Technical Field

The utility model belongs to the track overhauls the field, concretely relates to track fastener overhauls equipment.

Background

The fastener is an important part of the railway track, and can ensure that the steel rail and the sleeper form a whole to bear longitudinal and transverse loads generated when a train runs. If the fastener has the problems of looseness, loss, breakage and the like, the running safety of the train can be seriously influenced; in order to ensure the running safety of the train, railway track fasteners need to be regularly detected.

At present, high-speed railways and urban rail transit mostly adopt a manual inspection mode to detect a fastener system, and operators adopt a feeler gauge to detect or an iron hammer knocking mode to check whether fasteners are loose or not, and adopt visual checking to check the fracture and the loss of the fasteners. The maintenance and repair operation time of the high-speed railway and the urban rail transit is night, and is influenced by night environment, so that the detection efficiency is low, and the false detection rate is high.

Also appeared hand propelled detection device among the prior art, this kind of device adopts the not hard up condition of line laser rangefinder sensor measurement fastener, needs staff hand propelled detection device to walk on the track, measures the not hard up condition of fastener, later looks for the staff and maintains, and the defect of this kind of device lies in: not only detection efficiency is low, but also only the inspection is not carried out, and the operation personnel are required to go to the site again for maintenance, thereby wasting a large amount of manpower and time.

In addition, the directional terms referred to in this application are defined, and in the field of rail vehicles, there are three directions that are generally recognized by a skilled person:

vertical direction: vertically to the direction of the rail surface.

Longitudinal direction: along the direction of the track.

Transverse: horizontally perpendicular to the direction of the track.

Disclosure of Invention

To the above problem, the utility model aims at providing a track fastener overhaul equipment realizes that the maintenance operation goes on in step, improves maintenance efficiency.

The utility model provides a technical scheme of problem is: a track fastener overhauling device comprises a detecting device for detecting whether a track fastener is loosened, wherein the detecting device comprises a first trolley capable of moving on a track, a detecting module mounted on the first trolley and a position marking device arranged on the first trolley, and the detecting module comprises a detector for detecting the height size of the top of a threaded spike and a first controller electrically connected with the detector;

the fastening device comprises a second trolley which can move on the track and is positioned behind the first trolley, a moving mechanism which is arranged on the second trolley and can move vertically, a thread fastening device arranged on the moving mechanism, and a second controller electrically connected with the moving mechanism and the thread fastening device, wherein the thread fastening device is positioned right above the thread spike; a position recognition device is arranged on the second trolley;

the first trolley and the second trolley are provided with communication modules capable of mutually transmitting data, the communication module on the first trolley is electrically connected with the first controller, and the communication module and the position identification device on the second trolley are electrically connected with the second controller;

when the first trolley is positioned on the track, the detector is positioned right above the threaded spike.

In the above-mentioned scheme, check out test set is used for detecting the not hard up condition of fastener, and fastening equipment is used for maintaining not hard up fastener.

The detector compares with the preset standard value through the top height that detects the screw thread spike, judges whether the screw thread spike is not hard up, and the not hard up screw thread spike can be higher than the spike of fastening, and has the difference in height between the standard value, can judge that the spike is not hard up.

The position marking device can number the detected loose fasteners and transmit position data of the fasteners through the communication module.

The position recognition device can recognize the position of the detected loose fastener according to the data transmitted by the communication module on the detection equipment, so that the second trolley reaches the position of the fastener to be overhauled.

The moving mechanism lifts and lowers the screw-fastening device to the spike top position.

Furthermore, the detection module also comprises a bracket which can be hung on the first trolley, a box body which is arranged on the bracket, and a guide contact wheel which is arranged at the bottom of the box body, wherein the guide contact wheel can roll along a track; the position marking device is an encoder arranged on one side of the wheel shaft of the guide contact wheel;

the detector and the first controller are installed in the box body.

In the above scheme, the support is a bearing structure of the detection module, is used for being connected with the first trolley and serves as an installation platform for other components of the detection module.

The direction contact wheel plays direction and follow-up effect, with the encoder cooperation, makes the encoder can be with not hard up the sleeper serial number that the fastener corresponds.

Furthermore, a wheel rim is arranged on the guide contact wheel and is positioned on the inner side of the track;

a guide rod is transversely arranged on the support, a guide sleeve and a spring which can slide along the guide rod are sleeved on the guide rod, the spring is positioned on the inner side of the track relative to the guide sleeve, and the spring is in a compressed state after the guide contact wheel is contacted with the track;

the guide sleeve is fixedly connected with the box body.

In the above-mentioned further improved scheme, guide pin bushing and box body fixed connection, the box body removes along with the removal of guide pin bushing, meets under the different gauge circumstances, and the direction contact wheel all can the adaptability be adjusted.

The spring is used for tightly propping the wheel rim to prevent the guide contact wheel from derailing.

The first trolley comprises a frame, wheel pairs arranged at the two longitudinal ends of the frame, a braking module for braking the wheel pairs, a power source for driving the wheel pairs to move, and a traveling control box arranged on the frame, wherein the traveling control box is in transmission connection with the power source;

the bracket is connected with the frame through the quick clamping mechanism.

The quick clamping mechanism is the prior art, and the connecting mechanism capable of being quickly disassembled and assembled on the market can be used, so that the support can be quickly mounted on the frame, and the mounting efficiency is improved.

Preferably, a seat is arranged on the frame, the power source is a battery, and an industrial personal computer is arranged on the frame and connected with the first controller.

The industrial personal computer is used for displaying detection data and maintaining data conditions.

Further, the detector is a distance measuring sensor; preferably a laser ranging sensor;

the position of the box body, which is opposite to the detector, is provided with a through hole.

Preferably, the number of the detection modules is two, and the two detection modules are symmetrically arranged on two transverse sides of the first trolley.

The symmetry sets up, and both sides detect simultaneously, and maintenance efficiency is high.

Preferably, the position recognition device is a point laser ranging sensor, and the point laser ranging sensor is installed at both longitudinal ends of the second trolley.

When the point laser ranging sensor at the front end detects that the number of sleepers is consistent with the number of stored sleepers, the second trolley stops running, the second controller instructs the moving mechanism to vertically descend, the threaded fastening device is aligned with the threaded spike to fasten, the threaded fastening device stops and ascends after fastening is completed, then the second trolley continues to move forwards, the point laser ranging sensor mounted at the rear end of the second trolley records the height dimension L2 of the fastened threaded spike and compares the height dimension L1 of the threaded spike recorded by the front end point laser ranging sensor, and if the height dimensions of L1 and L2 are changed, the fastening is effective; if the L1 and L2 height dimensions did not change, an anomaly was recorded indicating that the fastening was not effective. The reason for ineffective fastening is that the threaded spike is rusted, and the threaded fastening device cannot fasten the spike at all and cannot be screwed, so that the height dimension is unchanged.

Specifically, the second trolley comprises two bearing frames, a connecting beam for rigidly connecting the two bearing frames, wheel sets arranged on the bearing frames, a power source for driving the wheel sets to move and a transmission system, and the moving mechanism is arranged on the bearing frames.

Preferably, the moving mechanism is a two-dimensional coordinate moving platform capable of moving in the transverse direction and the vertical direction, and the thread fastening device is an electric impact wrench.

The screw spike is according to the construction requirement, all on a line, only ideal state on a straight line, and there is slight deviation in fact, and the benefit of design two-dimensional coordinate moving platform lies in: on the one hand, the transverse distance can be finely adjusted, and on the other hand, different track gauges can be adapted.

In a specific scheme, the detection device and the fastening device are of an integrated structure, and the second trolley is connected to the tail of the first trolley. The scheme can meet the requirements of detection and maintenance fastening, but has the defect that the working efficiency needs to be improved.

In another specific scheme, the detection device and the fastening device are of a separated structure, the first trolley and the second trolley are provided with automatic following systems, and the second trolley realizes following of the first trolley through the communication module. In this scheme, because first dolly and second dolly separation, move alone, consequently first dolly when the front detects, the second dolly can be at the rear fastening operation, can catch up first dolly fast after the fastening is accomplished to improve the operating efficiency.

The maintenance method of the track fastener maintenance equipment comprises the following steps:

a) when the track fastener needs to be overhauled, the detection equipment and the fastening equipment are arranged on the track, the detector is a distance measuring sensor, and the distance measuring sensor detects the track fastener system and records the height data of the top of the threaded spike and the number of sleepers;

b) the fastening equipment moves along with the detection equipment, a position recognition device on the fastening equipment is a point laser ranging sensor, the point laser ranging sensor recognizes the characteristic size of the sleeper and the characteristic size of the threaded spike, and the number of sleepers is recorded;

c) when the distance measuring sensor detects that the threaded spike is loosened, the position marking device numbers the sleeper, the fastener position numbers are sent to the fastening equipment through the communication module, and the fastening equipment receives the sleeper numbers and the fastener positions and stores the sleeper numbers and the fastener positions;

d) when the point laser ranging sensors on the fastening equipment detect that the number of the sleepers is consistent with the number of the stored sleepers, the second trolley stops running, the second controller instructs the moving mechanism to vertically descend, the threaded fastening device aligns to the threaded spikes to fasten, and the threaded fastening device stops and rises after fastening is completed.

Furthermore, point laser ranging sensors on the fastening device are installed at both longitudinal ends of the second trolley, in the step d), the point laser ranging sensors installed at the front end of the second trolley are used, when the thread fastening device stops and rises, the second trolley continues to move forwards, the point laser ranging sensors installed at the rear end of the second trolley record the height dimension L2 of the fastened thread spike and compare with the height dimension L1 of the thread spike recorded by the front end point laser ranging sensors, if the height dimensions of L1 and L2 are changed, the fastening is indicated to be effective, and if the height dimensions of L1 and L2 are not changed, the fastening is indicated to be abnormal, and the fastening is indicated to be ineffective.

Furthermore, the detection equipment and the fastening equipment are of a separated structure, and a step e) is further included after the step d), after the fastening equipment finishes operation, the second trolley runs at an accelerated speed to catch up with the first trolley.

The utility model discloses a show the effect and be:

1. the utility model discloses a fastener overhauls equipment can realize full automatic detection and maintenance, and check out test set detects data, and detection efficiency is high, and the operation personnel are light; the fastening device can automatically fasten the spike and can also automatically detect results before and after fastening.

2. The detection and maintenance are synchronously operated, and the maintenance efficiency is high.

3. The detection module adopts a mounting mode and a first trolley, and the rapid clamping mechanism can facilitate mounting and installation, can be quickly mounted on site, and can replace other detection parts.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

Figure 1 is the utility model discloses track fastener overhauls equipment overall structure schematic diagram.

Fig. 2 is the utility model discloses check out test set sectional view.

Fig. 3 is a cross-sectional view of the detection module of the present invention.

Fig. 4 is a front view of the fastening device of the present invention.

Fig. 5 is an operation schematic diagram of the fastening device of the present invention.

In the figure: 1-detection device, 2-fastening device, 4-detection module, 5-bearing frame, 6-screw fastening device, 7-battery, 8-driving motor, 9-second controller, 10-position recognition device, 11-vehicle frame, 12-traveling control box, 13-communication module, 14-industrial control computer, 16-wheel set, 17-brake module, 18-seat, 19-power source 20-track, 21-fastener, 22-bracket, 23-guide rod, 24-guide sleeve, 25-spring, 26-guide contact wheel, 27-encoder, 29-moving mechanism, 30-detector, 31-first controller, 32-quick clamping mechanism, 33-connecting beam, 34-box body, 38-first car, 39-second car, 40-threaded spike.

Detailed Description

As shown in fig. 1 to 5, a track fastener overhaul device includes a detection device 1 for detecting whether a track fastener 21 is loose or not. The detection device 1 comprises a first trolley 38 capable of moving on a track, a detection module 4 mounted on the first trolley 38, and a position marking device arranged on the first trolley 38. The detection module 4 comprises a detector 30 for detecting the height dimension of the top of the threaded spike 40, and a first controller 31 electrically connected with the detector 30.

The detection module 4 further comprises a support 22 capable of being hung on the first trolley 38, a box body 34 installed on the support 22, and a guide contact wheel 26 arranged at the bottom of the box body 34. The guide contact wheel 26 is rollable along the rail 20. The position marking means is an encoder 27 arranged on the side of the axle of the guide contact wheel 26.

The detector 30 and the first controller 31 are installed in the case 34.

A rim is provided on the leading contact wheel 26. The rim is located inside the track 20. A guide bar 23 is provided on the bracket 22 in the lateral direction. A guide sleeve 24 and a spring 25 which can slide along the guide rod 23 are sleeved on the guide rod 23. And the spring 25 is located inside the track 20 with respect to the guide sleeve 24. After the guide contact wheel 26 comes into contact with the rail 20, the spring 25 is in a compressed state. The guide sleeve 24 is fixedly connected with the box body 34.

The detector 30 is a distance measuring sensor. Preferably a laser range sensor. A through hole is formed in the case 34 at a position facing the detector 30.

The first trolley 38 comprises a frame 11, wheel sets 16 arranged at two longitudinal ends of the frame 11, a braking module 17 for braking the wheel sets 16, a power source 19 for driving the wheel sets 16 to move, and a traveling control box 12 arranged on the frame 11. The running control box 12 is in transmission connection with a power source 19. The support 22 is connected to the frame 11 by a quick clamping mechanism 32. The power source 19 is a battery.

A seat 18 is provided on the frame 11. An industrial personal computer 14 is arranged on the frame 11, and the industrial personal computer 14 is connected with the first controller 31.

The number of the detection modules 4 is two, and the two detection modules are symmetrically arranged at two transverse sides of the first trolley 38.

A fastening device 2 for fastening the threaded spike 40 is also included, cooperating with the detection device 1. The fastening device 2 comprises a second trolley 39 which can move on the track 20 and is positioned behind the first trolley 38, a vertically movable moving mechanism 29 arranged on the second trolley 39, a threaded fastening device 6 arranged on the moving mechanism 29, and a second controller 9 electrically connected with the moving mechanism 29 and the threaded fastening device 6. The threaded fastening means 6 are located directly above the threaded spike 40.

The second carriage 39 is provided with a position recognition device 10. The position recognition device 10 is a point laser ranging sensor. And the point laser ranging sensors are mounted at both longitudinal ends of the second trolley 39.

The second trolley 39 comprises two bearing frames 5, a connecting beam 33 for rigidly connecting the two bearing frames 5, a wheel pair 16 arranged on the bearing frames 5, a power source for driving the wheel pair 16 to move and a transmission system. The moving mechanism 29 is mounted on the carriage 5. The moving mechanism 29 is a two-dimensional coordinate moving platform that can move in the transverse and vertical directions. The thread fastening device 6 is an electric impact wrench.

The lower part of the bearing frame 5 is provided with a driving wheel, a driven wheel and a driving motor 8. The driving motor 8 is connected with the driving wheel by adopting a gear or a transmission belt. And a battery 7 is arranged at the upper part of the bearing frame 5 and used for supplying power to the vehicle-mounted equipment of the second trolley.

The detection device 1 and the fastening device 2 are separate structures. The first trolley 38 and the second trolley 39 are provided with communication modules 13 capable of mutually transmitting data. The communication module 13 on the first cart 38 is electrically connected to the first controller 31. The communication module 13 and the position recognition device 10 on the second trolley 39 are electrically connected with the second controller 9. The second trolley 39 follows the first trolley through the communication module 13.

The detector 30 is positioned directly above the threaded spike 40 when the first carriage 38 is positioned on the track 20.

The detection equipment 1 can independently detect, record and generate reports for the track fastener system. The fastening device 2 can preset standard parameters of a fastener system (comprising the threaded spike 40), automatically detect the tightness of the threaded spike 40 through a point laser ranging sensor, and fasten and record the loosened threaded spike 40.

Correspondingly, the overhauling method of the overhauling equipment of the track fastener comprises the following steps:

a) when the rail fastener 21 needs to be overhauled, the detection device 1 and the fastening device 2 are placed on the rail 20. The detector 30 is a range sensor. The ranging sensor detects the rail fastener system and records the height data of the top of the threaded spikes 40 and the number of ties.

b) The fastening device 2 moves with the detection device 1. The position recognition means 10 on the fastening device 2 are spot laser distance measuring sensors. The point laser ranging sensor identifies the sleeper rail characteristic dimension and the threaded spike 40 characteristic dimension and records the number of sleepers.

c) When the distance measuring sensor detects that the threaded spike 40 is loose, the position marking device numbers the tie. The fastener position number is sent to the fastening device 2 via the communication module 13. The fastening device 2 receives the tie number and the fastener position and stores them.

d) When the point laser distance measuring sensors on the fastening device 2 detect that the number of sleepers corresponds to the stored sleeper number, the second carriage 39 stops operating. The second controller 9 instructs the moving mechanism 29 to descend vertically and the screw tightening device 6 to tighten the screw spike 40. The screw tightening device 6 is stopped and ascended after the tightening is completed.

Further, point laser ranging sensors on the fastening device 2 are mounted at both longitudinal ends of the second carriage 39, and in step d), the point laser ranging sensors mounted at the front end of the second carriage 38 are used. When the screw fastening device 6 stops and rises, the second carriage 39 continues to move forward, and the laser ranging sensor installed at the rear end of the second carriage 39 records the height dimension L2 of the fastened screw spike 40 and compares the height dimension L1 of the screw spike 40 recorded by the laser ranging sensor at the front end point. If the L1 and L2 height dimensions change, the fastening is indicated to be effective; if the L1 and L2 height dimensions did not change, an anomaly was recorded indicating that the fastening was not effective.

Furthermore, the detection device 1 and the fastening device 2 are of a separate structure, and step e) is further included after step d), after the fastening device 1 completes the operation, the second trolley 39 is accelerated to run to catch up with the first trolley 38.

Claims

1. The utility model provides a track fastener overhauls equipment, is not hard up check out test set (1) including being used for detecting track fastener (21), its characterized in that: the detection device (1) comprises a first trolley (38) capable of moving on a rail, a detection module (4) mounted on the first trolley (38), and a position marking device arranged on the first trolley (38), wherein the detection module (4) comprises a detector (30) used for detecting the height size of the top of a threaded spike (40), and a first controller (31) electrically connected with the detector (30);

the fastening device (2) is matched with the detection device (1) and used for fastening the threaded spike (40), the fastening device (2) comprises a second trolley (39) which can move on the track (20) and is positioned behind the first trolley (38), a moving mechanism (29) which is arranged on the second trolley (39) and can move vertically, a threaded fastening device (6) arranged on the moving mechanism (29), and a second controller (9) which is electrically connected with the moving mechanism (29) and the threaded fastening device (6), and the threaded fastening device (6) is positioned right above the threaded spike (40); a position recognition device (10) is arranged on the second trolley (39);

communication modules (13) capable of mutually transmitting data are arranged on the first trolley (38) and the second trolley (39), the communication module (13) on the first trolley (38) is electrically connected with the first controller (31), and the communication module (13) and the position identification device (10) on the second trolley (39) are electrically connected with the second controller (9);

when the first carriage (38) is positioned on the track (20), the detector (30) is positioned directly above the threaded spike (40).

2. The rail clip servicing apparatus of claim 1, wherein: the detection module (4) further comprises a support (22) capable of being hung on the first trolley (38), a box body (34) arranged on the support (22), and a guide contact wheel (26) arranged at the bottom of the box body (34), wherein the guide contact wheel (26) can roll along the track (20); the position marking device is an encoder (27) arranged on one side of the wheel shaft of the guide contact wheel (26);

the detector (30) and the first controller (31) are installed in the box body (34).

3. The rail clip servicing apparatus of claim 2, wherein: the guide contact wheel (26) is provided with a wheel rim which is positioned at the inner side of the track (20);

a guide rod (23) is transversely arranged on the support (22), a guide sleeve (24) and a spring (25) which can slide along the guide rod (23) are sleeved on the guide rod (23), the spring (25) is positioned on the inner side of the track (20) relative to the guide sleeve (24), and the spring (25) is in a compressed state after the guide contact wheel (26) is contacted with the track (20);

the guide sleeve (24) is fixedly connected with the box body (34).

4. The track fastener service apparatus of claim 2 or 3, wherein: the first trolley (38) comprises a frame (11), wheel sets (16) arranged at the longitudinal two ends of the frame (11), a braking module (17) for braking the wheel sets (16), a power source (19) for driving the wheel sets (16) to move, and a traveling control box (12) arranged on the frame (11), wherein the traveling control box (12) is in transmission connection with the power source (19);

the bracket (22) is connected with the frame (11) through a quick clamping mechanism (32).

5. The rail clip servicing apparatus of claim 4, wherein: be equipped with seat (18) on frame (11), power source (19) are the battery, are equipped with industrial computer (14) on frame (11), industrial computer (14) are connected with first controller (31).

6. The rail clip servicing apparatus of claim 2, wherein: the detector (30) is a ranging sensor;

a through hole is formed in the box body (34) at a position opposite to the detector (30).

7. The track fastener servicing apparatus of any one of claims 1-3, wherein: the number of the detection modules (4) is two, and the two detection modules are symmetrically arranged on the two transverse sides of the first trolley (38).

8. The rail clip servicing apparatus of claim 1, wherein: the position recognition device (10) is a point laser ranging sensor which is arranged at both longitudinal ends of the second trolley (39); or the detection device (1) and the fastening device (2) are of an integrated structure, and the second trolley (39) is connected to the tail part of the first trolley (38); or the detection equipment (1) and the fastening equipment (2) are of a separated structure, an automatic following system is installed on the first trolley (38) and the second trolley (39), and the second trolley (39) can follow the first trolley through the communication module (13).

9. The rail clip servicing apparatus of claim 1, wherein: the second trolley (39) comprises two bearing frames (5), a connecting beam (33) for rigidly connecting the two bearing frames (5), wheel pairs (16) arranged on the bearing frames (5), a power source for driving the wheel pairs (16) to move and a transmission system, and the moving mechanism (29) is arranged on the bearing frames (5).

10. The track fastener servicing apparatus of claim 1, 8, or 9, wherein: the moving mechanism (29) is a two-dimensional coordinate moving platform capable of moving in the transverse direction and the vertical direction, and the thread fastening device (6) is an electric impact wrench.