CN221113899U - Subway shaft grounding device with speed acquisition function - Google Patents
Subway shaft grounding device with speed acquisition function Download PDFInfo
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- CN221113899U CN221113899U CN202323141725.6U CN202323141725U CN221113899U CN 221113899 U CN221113899 U CN 221113899U CN 202323141725 U CN202323141725 U CN 202323141725U CN 221113899 U CN221113899 U CN 221113899U
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- assembly
- friction disc
- speed
- base
- carbon brush
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 239000010949 copper Substances 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a subway shaft grounding device with speed acquisition, wherein a friction disc assembly is connected with one end face of a base, the base is used for supporting the friction disc assembly, and the other end face of the base is connected with an external shaft end. One end face of the speed measuring assembly is connected with the base provided with the friction disc assembly, and the speed measuring assembly is sleeved on the gear of the friction disc assembly and used for acquiring the rotating speed of the gear to obtain the running speed. The carbon brush component is connected with the other end face of the speed measuring component. According to the utility model, the detection unit, namely the speed sensor, is arranged at the detection ring, and the speed measuring head of the sensor contacts with the gear, so that the speed measuring function is realized. On the basis, the utility model integrally forms the ground return device, so that current flows to the copper body, the carbon brush, the friction disc, the support plate and the adapter through the cable in sequence, finally flows to the wheel and the access rail, the bearing is effectively prevented from being damaged by the current, and the safety and the service life are improved.
Description
Technical Field
The utility model belongs to the field of rail transit, and particularly relates to a subway shaft grounding device with speed acquisition.
Background
The subway is a rapid, large-traffic, electrically-towed rail traffic built in a city. The train operates on totally-enclosed circuit, the circuit that is located central urban area is established in underground tunnel basically, the circuit that is located outside the central urban area is established on overhead bridge or subaerial generally, along with the traffic operation demand in each city increases gradually, the subway has become one of the main transportation modes that people go out, in the subway operation in-process, need regularly patrol and examine the subway of operation, and then guarantee that the subway can steady reliable completion traffic transportation task, in the subway vehicle detects work, for real-time master train speed and position information, need to carry out the speed measurement work to the subway of going, thereby make command room and driver can master subway operation information, and then be convenient for command room and driver carry out the scheduling maintenance rational distribution of a plurality of subways, thereby accomplish transportation work, so a device that can measure the speed to the subway vehicle is required.
At present, the vehicle-mounted speed measuring and positioning system for urban rail transit at home and abroad mostly adopts a single positioning mode, and has the advantages of simple structure, low cost and convenient maintenance. The urban rail transit speed measuring and positioning technology is that train motion information is acquired from an axle: the speed measuring and positioning system can calculate the speed of the train by processing the digital signals output by the axle sensor and combining the wheel diameter value through the sensor (such as a photoelectric encoder, a Hall sensor and the like) which is arranged on the axle and used for measuring the rotating speed. In the speed measurement process, the bearing is easy to be influenced by electric corrosion, and the risk of damage caused by current exists.
Disclosure of utility model
The utility model aims to provide a subway shaft grounding device with speed acquisition, which is used for solving the problem of electric corrosion influence.
In order to solve the problems, the technical scheme of the utility model is as follows:
a subway shaft end grounding device with speed acquisition, comprising:
The carbon brush assembly, the speed measuring assembly, the friction disc assembly and the base are sequentially connected to form a grounding speed measuring device, so that current sequentially flows through the carbon brush assembly, the friction disc assembly and the base through an external cable and then is grounded;
The friction disc assembly is connected with one end face of the base, the base is used for supporting the friction disc assembly, and the other end face of the base is connected with the external axle end;
One end face of the speed measuring component is connected with a base provided with a friction disc component and sleeved on a gear of the friction disc component, and the speed measuring component is used for acquiring the rotating speed of the gear to obtain the running speed;
The carbon brush component is connected with the other end face of the speed measuring component.
Wherein the base comprises a support, a support plate and an adapter;
The adapter is used for installing in outside axle head, and the support piece is installed to one terminal surface and the adapter bolted connection of backup pad, the other terminal surface of backup pad, and the through groove that both ends run through is seted up to the support piece for install friction disc subassembly in the through groove.
The friction disc assembly comprises a bearing, a bearing lock ring, a friction disc, a first insulating disc and a gear;
The bearing lock ring is sleeved on the bearing, and is installed in the through groove after combination, the bearing lock ring is matched with the through groove to limit the bearing, the rod part of the friction disc penetrates through the bearing to be connected with the base, the disc part of the friction disc is sleeved with the first insulating disc, and the gear is sleeved on the first insulating disc.
The speed measuring assembly comprises a detection ring and a detection unit;
the detection ring is annular, the gear stretches into the detection ring, and the detection unit is fixed on the inner wall of the detection ring and used for collecting data of the gear.
The carbon brush assembly comprises a carbon brush, a copper body, a second insulating disc and a clamping disc;
The carbon brush is installed in one side of copper body, and the opposite side of copper body is located to the second insulating disk cover, and second insulating disk and detection ring bolted connection, press from both sides tight disk cover and locate the copper body and hug closely in the second insulating disk for with second insulating disk and copper body firm connection.
Further preferably, a cover assembly is further provided, and the cover assembly is connected with one end of the copper body, which is provided with the carbon brush, through bolts, and is used for isolating the carbon brush assembly from the outside.
Further preferably, a plurality of sealing rings are further arranged, and the sealing rings are respectively arranged at the joint of the cover assembly and the copper body, the joint of the copper body and the second insulating disc, the joint of the second insulating disc and the detection ring, the joint of the support piece and the detection ring and the joint of the adapter and the external axle end.
By adopting the technical scheme, the utility model has the following advantages and positive effects compared with the prior art:
According to the utility model, the detection unit, namely the speed sensor, is arranged at the detection ring, and the speed measuring head of the sensor contacts with the gear, so that the speed measuring function is realized. On the basis, the utility model integrally forms the ground return device, so that current flows to the copper body, the carbon brush, the friction disc, the support plate and the adapter through the cable in sequence, finally flows to the wheel and the access rail, the bearing is effectively prevented from being damaged by the current, and the safety and the service life are improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model.
FIG. 1 is an exploded structural view of a subway shaft grounding device with speed acquisition of the present utility model;
FIG. 2 is a split structural diagram of a subway shaft grounding device with speed acquisition of the utility model;
fig. 3 is a schematic diagram of measuring a speed of a detecting unit according to the present utility model.
Description of the reference numerals
1: Cover assembly 2: a carbon brush assembly; 201: a carbon brush; 202: a copper body; 203: a second insulating disk; 204: clamping the disc; 3: a speed measuring component; 301: a detection ring; 302: a detection unit; 4: a friction plate assembly; 401: a bearing; 402: a bearing lock ring; 403: a friction plate; 404: a first insulating disk; 405: a gear; 5: a base; 501: a support; 502: a support plate; 503: an adapter.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
The utility model provides a subway shaft grounding device with speed acquisition, which is further described in detail below with reference to the accompanying drawings and specific embodiments. Advantages and features of the utility model will become more apparent from the following description and from the claims.
Examples
Referring to fig. 1 to 3, the embodiment provides a subway shaft grounding device with speed acquisition, which is divided into a cover assembly 1, a carbon brush assembly 2, a speed measuring assembly 3, a friction disc assembly 4 and a base 5 which are sequentially connected, and the cover assembly, the carbon brush assembly 2, the carbon brush assembly 4 and the base 5 are connected together to form a grounding speed measuring device, so that current sequentially flows through the carbon brush assembly 2, the friction disc assembly 4 and the base 5 through an external cable and then is grounded. Structurally, the friction disc assembly 4 is connected to one end face of the base 5, the base 5 can support the friction disc assembly 4, and the other end face of the base 5 is connected to an external axle end. One end face of the speed measuring component 3 is connected with a base 5 provided with a friction disc component 4, and is sleeved on a gear 405 of the friction disc component 4, and the running speed is obtained by acquiring the rotating speed of the gear 405. The carbon brush component 2 is connected with the other end face of the speed measuring component 3. The cover assembly 1 is connected with the carbon brush assembly 2 to isolate the carbon brush assembly 2 from the outside.
Referring to fig. 1 and 2, the base 5 is located at the rightmost side of the present embodiment, and includes a support 501, a support plate 502, and an adapter 503. The adapter 503 is required to be mounted to an external axle end, and one end surface of the support plate 502 is bolted to an end of the adapter 503 to which the axle is not connected. The other end surface of the supporting plate 502 is provided with a supporting member 501, and the supporting plate 502 is provided with a through hole through which the friction plate 403 of the subsequent friction plate assembly 4 is connected to the adapter 503. The supporting member 501 is also provided with a through groove with two ends penetrating through, and one side of the through groove far away from the supporting plate 502 is in a step structure, so that the friction disc assembly 4 can be installed in the through groove.
Referring to fig. 1 and 2, the friction disk assembly 4 includes a bearing 401, a bearing lock ring 402, a friction disk 403, a first insulating disk 404, and a gear 405. The bearing lock ring 402 is sleeved on the bearing 401, and is installed in the through groove after combination, namely, the tail part of the bearing 401 extends into the through groove, the head part of the bearing 401 and the bearing lock ring 402 are embedded in the through groove, and the bearing 401 is limited through clearance fit between the bearing lock ring 402 and the supporting piece 501. The shaft portion of the friction disc 403 is connected with the adapter 503 through the bearing 401 and the supporting plate 502, the disc portion of the friction disc 403 is sleeved with the first insulating disc 404, and the gear 405 is sleeved with the first insulating disc 404.
Referring to fig. 1 to 3, in the present embodiment, the speed measuring assembly 3 includes a detection ring and a detection unit 302. The whole annular setting that is of detection ring, the gear 405 of friction disc subassembly 4 stretches into in the detection ring, and detection unit 302 is fixed in on the inner wall of detection ring, and its detection head contact gear 405 to realize the data acquisition to gear 405.
Referring to fig. 1 and 2, the carbon brush assembly 2 includes a carbon brush 201, a copper body 202, a second insulating disk 203, and a clamping disk 204. The carbon brush 201 is installed on one side of the copper body 202, the second insulating disk 203 is sleeved on the other side of the copper body 202, the second insulating disk 203 is connected with the detection ring through bolts, and the clamping disk 204 is sleeved on the copper body 202 and is clung to the right side of the second insulating disk 203, so that the second insulating disk 203 is firmly connected with the copper body 202.
Referring to fig. 1 and 2, the cover assembly 1 is located at the leftmost side of the present embodiment, and the cover assembly 1 is bolted to one end of the copper body 202 provided with the carbon brush 201 for isolating the carbon brush assembly 2 from the outside.
Preferably, the present embodiment further includes a plurality of sealing rings, where the sealing rings are respectively disposed at the junction of the cover assembly 1 and the copper body 202, the junction of the copper body 202 and the second insulating disk 203, the junction of the second insulating disk 203 and the detecting ring, the junction of the supporting member 501 and the detecting ring, and the junction of the adapter 503 and the external axle end, so as to isolate the present embodiment from the outside.
The principle of the present embodiment will now be described: the cover assembly 1 and the carbon brush assembly 2 are assembled together by mutual fastening, and are fixed and not rotated in practice. The friction disc assembly 4 and the base 5 are assembled together by mutual fasteners and are rotatable in operation. The cover assembly 1, the carbon brush assembly 2, the friction disc assembly 4 and the base 5 are connected together through the speed measuring assembly 3 to form a whole set of grounding reflux device. When the present embodiment is mounted to the axle end via the adapter 503, the friction disc assembly 4 and the base 5 rotate with the axle at the same angular velocity, i.e., the gear 405 rotates with the axle at the same angular velocity. By installing a speed sensor on the speed measuring assembly 3, the speed measuring head of the sensor contacts the gear 405, so that the speed measuring function is realized. The current in this example flows through the cable to the copper body 202, the carbon brush 201, the friction disc 403, the support plate 502 and the adapter 503, and finally flows to the wheel and the access rail, thereby realizing the ground return.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments. Even if various changes are made to the present utility model, it is within the scope of the appended claims and their equivalents to fall within the scope of the utility model.
Claims (7)
1. Subway shaft grounding device with speed acquisition, characterized by comprising:
The carbon brush assembly, the speed measuring assembly, the friction disc assembly and the base are sequentially connected to form a grounding speed measuring device, so that current sequentially flows through the carbon brush assembly, the friction disc assembly and the base through an external cable and then is grounded;
The friction disc assembly is connected with one end face of the base, the base is used for supporting the friction disc assembly, and the other end face of the base is connected with an external axle end;
One end face of the speed measuring assembly is connected with the base provided with the friction disc assembly, and is sleeved on a gear of the friction disc assembly, and the gear is used for acquiring the rotating speed of the gear to obtain the running speed;
The carbon brush assembly is connected with the other end face of the speed measuring assembly.
2. The subway shaft grounding apparatus with speed acquisition of claim 1, wherein the base comprises a support, a support plate, and an adapter;
The adapter is used for installing in outside axle head, the terminal surface of backup pad with adapter bolted connection, the other end face of backup pad is installed support piece, support piece has seted up the logical groove that both ends run through, is used for with friction disc subassembly installs in logical inslot.
3. The subway shaft grounding apparatus with speed acquisition of claim 2, wherein said friction disc assembly comprises a bearing, a bearing lock ring, a friction disc, a first insulating disc and said gear;
The bearing lock ring is sleeved on the bearing, the bearing lock ring is installed in the through groove after being combined, the bearing lock ring is matched with the through groove to limit the bearing, the rod portion of the friction disc penetrates through the bearing to be connected with the base, the disc portion of the friction disc is sleeved with the first insulating disc, and the gear is sleeved on the first insulating disc.
4. A subway shaft end grounding device with speed acquisition according to claim 3 wherein said speed measurement assembly comprises a detection ring and a detection unit;
The detection ring is in an annular arrangement, the gear stretches into the detection ring, and the detection unit is fixed on the inner wall of the detection ring and used for carrying out data acquisition on the gear.
5. The subway shaft grounding device with speed acquisition according to claim 4, wherein the carbon brush assembly comprises a carbon brush, a copper body, a second insulating disk and a clamping disk;
The carbon brush install in one side of copper body, the second insulating disc cover is located the opposite side of copper body, the second insulating disc with detect ring bolted connection, the clamp disc cover is located the copper body and hug closely in the second insulating disc, be used for with the second insulating disc with the copper body is firm to be connected.
6. The subway shaft grounding device with speed acquisition according to claim 5, further comprising a cover assembly, wherein the cover assembly is bolted to an end of the copper body where the carbon brush is disposed, for isolating the carbon brush assembly from the outside.
7. The subway shaft grounding device with speed acquisition according to claim 6, further comprising a plurality of sealing rings, wherein the sealing rings are respectively arranged at the joint of the cover assembly and the copper body, the joint of the copper body and the second insulating disc, the joint of the second insulating disc and the detection ring, the joint of the supporting piece and the detection ring and the joint of the adapter and the external vehicle shaft end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323141725.6U CN221113899U (en) | 2023-11-21 | 2023-11-21 | Subway shaft grounding device with speed acquisition function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323141725.6U CN221113899U (en) | 2023-11-21 | 2023-11-21 | Subway shaft grounding device with speed acquisition function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221113899U true CN221113899U (en) | 2024-06-11 |
Family
ID=91365917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323141725.6U Active CN221113899U (en) | 2023-11-21 | 2023-11-21 | Subway shaft grounding device with speed acquisition function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221113899U (en) |
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2023
- 2023-11-21 CN CN202323141725.6U patent/CN221113899U/en active Active
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