CN210062993U - Train wheel pair wheel distance adjusting device - Google Patents
Train wheel pair wheel distance adjusting device Download PDFInfo
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- CN210062993U CN210062993U CN201920986372.4U CN201920986372U CN210062993U CN 210062993 U CN210062993 U CN 210062993U CN 201920986372 U CN201920986372 U CN 201920986372U CN 210062993 U CN210062993 U CN 210062993U
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Abstract
The utility model provides a train wheel-to-wheel distance adjusting device, which comprises a fixed wheel, a movable wheel, a wheel shaft and an adjusting component, wherein the fixed wheel is fixedly arranged on the wheel shaft, and the movable wheel is movably arranged on the wheel shaft; the adjusting assembly comprises a distance sensor and an adjusting piece, the distance sensor is used for sensing the distance between the fixed wheel and the movable wheel, the adjusting piece is connected with the movable wheel and can drive the movable wheel to slide along the wheel shaft in a telescopic mode, and the wheel distance between the fixed wheel and the movable wheel is adjusted according to the distance obtained by sensing of the distance sensor until the fixed wheel and the movable wheel reach the preset wheel distance. The utility model discloses a train wheel is to wheel spacing adjusting device can realize the train wheel to the gauge of adapting to different specifications, and the goods transnational transportation of being convenient for avoids the goods dismouting again, and labour saving and time saving improves conveying efficiency.
Description
Technical Field
The utility model relates to a train technical field, in particular to train wheel pair wheel distance adjusting device.
Background
The train is used as a national economic aorta, is an important infrastructure and a popular vehicle of the country, and has a very important position and role in the development of the economic society. The most obvious characteristics of train transportation are low operation cost, low energy consumption, small environmental pollution, and strong transportation accuracy and continuity. When transnational train transports goods, because of the train gauge difference of different countries, need change the train in the juncture usually, at this in-process, need with the goods dismouting again, and then reduce conveying efficiency, it is consuming time hard.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above-mentioned problem, a train wheel is to wheel base adjusting device is provided, aims at realizing the accurate regulation of train wheel to wheel base, makes things convenient for the freight.
The utility model provides a train wheel-to-wheel distance adjusting device, which comprises a fixed wheel, a movable wheel, a wheel shaft and an adjusting component, wherein the fixed wheel is fixedly arranged on the wheel shaft, and the movable wheel is movably arranged on the wheel shaft; the adjusting assembly comprises a distance sensor and an adjusting piece, the distance sensor is used for sensing the distance between the fixed wheel and the movable wheel, the adjusting piece is arranged on the movable wheel and can drive the movable wheel to slide along the wheel shaft in a telescopic mode, and the wheel distance between the fixed wheel and the movable wheel is adjusted according to the distance obtained by sensing of the distance sensor until the fixed wheel and the movable wheel reach the preset wheel distance.
Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.
In one embodiment, the adjusting member is a hydraulic cylinder, and the hydraulic cylinder includes a piston rod, and the piston rod is connected to the movable wheel.
In one embodiment, the adjusting assembly further includes a control valve and a hydraulic pump, and two ends of the control valve are respectively connected to the hydraulic pump and the hydraulic cylinder.
In one embodiment, the piston rod divides an inner cavity of the hydraulic cylinder into a first hydraulic cavity and a second hydraulic cavity, and the control valve can be selectively communicated with the first hydraulic cavity or the second hydraulic cavity and controls the piston rod to drive the movable wheel to move.
In one embodiment, the regulating assembly further comprises a pressure reducing valve disposed between the hydraulic pump and the control valve.
In one embodiment, the adjusting assembly further comprises an oil tank, a liquid outlet of the oil tank is communicated with the hydraulic pump, and a liquid inlet of the oil tank is communicated with the hydraulic cylinder.
In one embodiment, the control valve is a three-position, four-way solenoid valve; the control valve has a first communication state in which the hydraulic pump communicates only with the first hydraulic chamber, a second communication state in which the hydraulic pump communicates only with the second hydraulic chamber, and a third communication state in which the hydraulic pump is disconnected from the first hydraulic chamber and the second hydraulic chamber at the same time.
In one embodiment, the axle is provided with an external spline section, the movable wheel is provided with an internal spline, the movable wheel and the axle are connected through a spline, and/or,
the fixed wheel and the wheel shaft are in interference fit.
In one embodiment, the hydraulic cylinder is a single rod hydraulic cylinder.
In one embodiment, the number of the hydraulic cylinders is two, and the two hydraulic cylinders are arranged in central symmetry relative to the axis of the movable wheel.
The utility model discloses a train wheel distance adjusting device, be equipped with distance sensor and regulating part, distance sensor can the sensing movable wheel and the fixed pulley between the distance, the regulating part can be according to distance sensor's sensing drive movable wheel along the shaft removal, with the wheel distance between regulation movable wheel and the fixed pulley, reach preset wheel distance until movable wheel and fixed pulley, and then make the train wheel accurate adjustable in wheel distance, realize the train wheel to can be applied to the gauge of different specifications, be convenient for the transnational transportation of goods, avoid the goods dismouting again, time saving and labor saving, and the transport efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a wheel track adjusting device of a train wheel pair according to an embodiment of the present invention;
FIG. 2 is a schematic view of the adjustment assembly of the wheel pair spacing adjustment device of FIG. 1 in a first communication state;
FIG. 3 is a schematic view of the adjustment assembly of the railway wheel of FIG. 1 in a second communication with the wheel spacing adjustment device;
fig. 4 is a schematic structural view of the adjustment assembly of the train wheel shown in fig. 1 in a third communication state with the wheel spacing adjustment device.
Description of reference numerals:
100. a train wheel pair pitch adjusting device; 10. a fixed wheel; 20. a movable wheel; 30. a wheel axle; 40. an adjustment assembly; 41. a distance sensor; 42. an adjustment member; 421. a hydraulic cylinder; 422. a piston rod; 423. a first hydraulic chamber; 424. a second hydraulic chamber; 43. a hydraulic pump; 44. a control valve; 45. an oil tank; 46. a pressure reducing valve.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it is to be understood that the words indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a wheel track adjusting device 100 for a train wheel pair according to an embodiment of the present invention. The utility model provides a train wheel is to wheel base adjusting device 100, train wheel is to wheel base adjusting device 100 and is applied to the train on for adjust the wheel base of train wheel pair, so that the train can adapt to different gauge, the goods of being convenient for transnational transportation.
The train wheel-to-wheel distance adjusting device 100 comprises a fixed wheel 10, a movable wheel 20, a wheel shaft 30 and an adjusting assembly 40, wherein the fixed wheel 10 and the movable wheel 20 are connected with the wheel shaft 30, and the adjusting assembly 40 is connected with the movable wheel 20; the fixed wheel 10 and the movable wheel 20 are used for matching with an external rail and rotating, the wheel shaft 30 is used for connecting the movable wheel 20 and the fixed wheel 10, and the adjusting assembly 40 is used for adjusting the wheel track between the movable wheel 20 and the fixed wheel 10.
The fixed wheel 10 is fixedly arranged at one end of the wheel shaft 30, in the embodiment, the fixed wheel 10 is connected with the wheel shaft 30 through interference fit, and the interference fit can effectively prevent the relative movement between the fixed wheel 10 and the wheel shaft 30, so that the fixed wheel 10 is kept stable relative to the wheel shaft 30, and the normal operation of the fixed wheel 10 is facilitated; it is understood that in other embodiments, the fixed wheel 10 and the axle 30 may be connected by other connection methods, as long as the fixed wheel 10 is fixedly disposed at one end of the axle 30.
The movable wheel 20 is movably arranged at the other end of the wheel shaft 30. In the present embodiment, an external spline section (not shown) is opened at the other end of the wheel shaft 30, the movable wheel 20 has an internal spline (not shown) capable of engaging with the external spline section, and the movable wheel 20 and the wheel shaft 30 are connected by a spline. The wheel shaft 30 can drive the movable wheel 20 to rotate together through the matching of the external spline section and the internal spline, and further the movable wheel 20 can normally rotate. Meanwhile, the movable wheel 20 can stretch and slide along the outer spline section of the wheel shaft 30, that is, the movable wheel 20 can move along the outer spline section of the wheel shaft 30, so that the wheel distance between the movable wheel 20 and the fixed wheel 10 can be adjusted.
It is understood that in other embodiments, the movable wheel 20 and the axle 30 may be connected by other connection methods, as long as it is ensured that the movable wheel 20 is movably disposed at the other end of the axle 30, and the axle 30 can normally drive the movable wheel 20 to rotate.
The adjusting assembly 40 comprises a distance sensor 41, an adjusting piece 42, a hydraulic pump 43 and a control valve 44, wherein the distance sensor 41 is connected with the movable wheel 20 or the fixed wheel 10, the adjusting piece 42 is connected with the movable wheel 20, and the control valve 44 is communicated with the hydraulic pump 43 and the adjusting piece 42 through a pipeline; the distance sensor 41 is used to sense the distance between the movable sheave 20 and the fixed sheave 10, the adjusting member 42 is used to drive the movable sheave 20 to move along the wheel shaft 30, the hydraulic pump 43 is used as a driving source to provide driving force to the adjusting member 42, and the control valve 44 is used to adjust and control the adjusting member 42 and enable the adjusting member 42 to move in a desired manner.
In the present embodiment, the distance sensor 41 is provided on the movable sheave 20 and can measure the distance between the movable sheave 20 and the fixed sheave 10; it is understood that in other embodiments, the distance sensor 41 may be disposed on the fixed wheel 10 as long as the distance sensor 41 can sense the distance between the movable wheel 20 and the fixed wheel 10.
It is noted that the distance sensor 41 is electrically connected to an external control unit (not shown), which is electrically connected to the hydraulic pump 43. The distance sensor 41 can convert the sensed distance value into an electrical signal and transmit the electrical signal to an external control element. The external control unit can convert the received electrical signal into a distance value, compare the distance value with a preset value stored in an associated memory unit, and control the movement of the adjusting member 42 according to the comparison result, thereby adjusting the wheel distance between the movable wheel 20 and the fixed wheel 10 so that the wheel distance between the movable wheel 20 and the fixed wheel 10 meets a preset requirement.
In this embodiment, the adjusting member 42 is a hydraulic cylinder 421, the hydraulic cylinder 421 is fixed on the wheel axle 30, the hydraulic cylinder 421 is connected with the movable wheel 20 to adjust the wheel distance between the movable wheel 20 and the fixed wheel 10, and the hydraulic cylinder 421 has a simple structure, large output force, high working efficiency, stable and reliable performance and convenient maintenance; it is understood that in other embodiments, the adjusting member 42 may be other adjusting elements, and the other adjusting elements adjust the track width between the movable wheel 20 and the fixed wheel 10 in other manners.
The hydraulic cylinder 421 is specifically a single-rod hydraulic cylinder, the hydraulic cylinder 421 includes a piston rod 422, and the piston rod 422 is used as an executing component in the hydraulic cylinder 421 and divides an inner cavity of the hydraulic cylinder 421 into a first hydraulic pressure chamber 423 and a second hydraulic pressure chamber 424. The piston rod 422 is parallel to the wheel shaft 30 and connected to the movable wheel 20, so that the piston rod 422 can drive the movable wheel 20 to move along the wheel shaft 30 when reciprocating, thereby adjusting the wheel distance between the movable wheel 20 and the fixed wheel 10.
In the embodiment, the piston rod 422 and the movable wheel 20 are fixed by welding, so that the stable connection between the piston rod 422 and the movable wheel 20 is ensured, the piston rod can move synchronously, and the wheel track adjustment between the movable wheel 20 and the fixed wheel 10 is facilitated; it is understood that in other embodiments, the piston rod 422 and the movable wheel 20 may be fixed by other connection methods, as long as the piston rod 422 and the movable wheel 20 are fixed.
In the present embodiment, the number of the hydraulic cylinders 421 is two, and the two hydraulic cylinders 421 can provide sufficient driving force for adjusting the wheel track between the movable wheel 20 and the fixed wheel 10, so as to ensure smooth adjustment of the wheel track between the movable wheel 20 and the fixed wheel 10. The two hydraulic cylinders 421 are both fixedly arranged on the wheel axle 30 and are centrosymmetric relative to the axis of the movable wheel 20, so that when the hydraulic cylinders 421 apply force to the movable wheel 20, the force balance of the movable wheel 20 is facilitated, the movable wheel 20 is prevented from being deflected relative to the wheel axle 30 due to overlarge local force, and the movable wheel 20 can stably move along the wheel axle 30.
It will be appreciated that in other embodiments, the number of hydraulic cylinders 421 fixed to the wheel axle 30 may be other values, as long as the hydraulic cylinders 421 can provide sufficient driving force for the adjustment of the wheel distance between the movable wheels 20 and the fixed wheels 10.
The adjustment assembly 40 also includes an oil tank 45. One end of the hydraulic pump 43 is connected to a liquid outlet (not shown) of the oil tank 45, and the other end of the hydraulic pump 43 is connected to the hydraulic cylinder 421 through the control valve 44. The hydraulic pump 43 can suck the oil in the oil tank 45, discharge the pressure oil, and push the pressure oil to the hydraulic cylinder 421 to provide driving force for the movement of the hydraulic cylinder 421.
An inlet port (not shown) of the tank 45 communicates with the hydraulic cylinder 421. The oil in the oil tank 45 can flow back to the oil tank 45 after being utilized by the hydraulic cylinder 421, and further, the cyclic utilization of the oil is realized. In the present embodiment, the oil tank 45 is provided on the fixed sheave 10; it is understood that in other embodiments, the oil tank 45 may be provided on the movable wheel 20 or the axle 30.
The control valve 44 can selectively communicate with the first hydraulic chamber 423 or the second hydraulic chamber 424 and control the piston rod 422 to move the movable wheel 20. Specifically, the control valve has a first communication state in which only the hydraulic pump 43 communicates with the first hydraulic pressure chamber 423, a second communication state in which only the hydraulic pump 43 communicates with the second hydraulic pressure chamber 424, and a third communication state in which the hydraulic pump 43 is simultaneously disconnected from the first hydraulic pressure chamber 423 and the second hydraulic pressure chamber 424.
Referring to fig. 2, fig. 2 is a schematic structural view of an adjusting assembly of the wheel span adjusting device of the train shown in fig. 1 in a first communication state; when the control valve 44 is in the first communication state, the hydraulic pump 43 is only in communication with the first hydraulic chamber 423 of the hydraulic cylinder 421, the hydraulic pump 43 pushes oil with pressure into the first hydraulic chamber 423, so that the piston rod 422 moves to the right, and further the piston rod 422 drives the movable wheel 20 to move to the right along the wheel axle 30, so that the wheel track between the movable wheel 20 and the fixed wheel 10 is reduced.
Referring to fig. 3, fig. 3 is a schematic structural view of the adjusting assembly of the train wheel shown in fig. 1 when the wheel distance adjusting device is in a second communication state; when the control valve 44 is in the second communication state, the hydraulic pump 43 is only communicated with the second hydraulic chamber 424 of the hydraulic cylinder 421, the hydraulic pump 43 pushes oil with pressure into the second hydraulic chamber 424, so that the piston rod 422 moves to the left, and further the piston rod 422 drives the movable wheel 20 to move to the left along the wheel axle 30, so that the wheel track between the movable wheel 20 and the fixed wheel 10 is increased.
Referring to fig. 4, fig. 4 is a schematic structural view of an adjusting assembly of the train wheel shown in fig. 1 in a third communication state with the wheel distance adjusting device; when the control valve 44 is in the third communication state, the hydraulic pump 43 is disconnected from the hydraulic cylinder 421, that is, the hydraulic pump 43 is not communicated with the first hydraulic chamber 423 and the second hydraulic chamber 424, and the oil pushed by the hydraulic pump 43 flows back to the oil tank 45 to form a corresponding circulation, in this state, the pressure in the first hydraulic chamber 423 is the same as that in the second hydraulic chamber 424, the piston rod 422 in the hydraulic cylinder 421 is in a stationary state, and the piston rod 422 stabilizes the movable wheel 20, that is, the movable wheel 20 does not move relative to the wheel axle 30.
In the embodiment, the control valve 44 is a three-position four-way electromagnetic valve, the three-position four-way electromagnetic valve can adapt to heavy load and severe working conditions, and meanwhile, the three-position four-way electromagnetic valve is long in service life and avoids frequent replacement; it is to be understood that in other embodiments, the control valve 44 may be other valves as long as the respective communication states described above can be achieved by the control valve 44.
The adjusting assembly 40 further comprises a pressure reducing valve 46, the pressure reducing valve 46 is arranged between the hydraulic pump 43 and the control valve 44, the pressure reducing valve 46 can change the kinetic energy of the oil flowing out of the hydraulic pump 43 by changing the throttle area, and the pressure reducing valve 46 can rely on the energy of the oil, so that the oil pressure can be automatically kept stable, and meanwhile, the adverse effect caused by the overlarge oil pressure pushed by the hydraulic pump 43 is prevented.
It should be noted that in other embodiments, the oil tank 45, the hydraulic pump 43, the pressure reducing valve 46, the control valve 44, and the like may be provided on the outer vehicle body, and connected therebetween through a piping and a rotary hydraulic joint (not shown). The adoption of the rotary hydraulic joint can ensure that the pipeline does not influence the normal rotation of the movable wheel 20 and the fixed wheel 10, and ensure the normal use of the train wheel pair wheel spacing adjusting device 100.
The utility model discloses a train wheel is as follows to wheel distance adjusting device 100 working process:
when the wheel distance between the movable wheel 20 and the fixed wheel 10 needs to be adjusted, the hydraulic pump 43 extracts oil in the oil tank 45 and pushes the oil to the pressure reducing valve 46, the pressure reducing valve 46 can stabilize the oil pressure and guide the oil into the control valve 44, and the control valve 44 can selectively guide the inflowing oil into the first hydraulic cavity 423 or the second hydraulic cavity 424 of the hydraulic cylinder 421, so that the piston rod 422 is pushed to move rightwards or leftwards, the movable wheel 20 is driven to move along the wheel shaft 30, and the adjustment of the front wheel distance between the movable wheel 20 and the fixed wheel 10 is reduced or increased; when the wheel track between the movable wheel 20 and the fixed wheel 10 is adjusted to a preset value, the control valve 44 can disconnect the hydraulic pump 43 from the hydraulic cylinder 421, and the adjustment is completed.
The utility model discloses a train wheel is to wheel spacing adjusting device 100, be equipped with distance sensor 41 and regulating part 42, distance sensor 41 can the sensing movable wheel 20 and the distance between the tight pulley 10, regulating part 42 can remove along shaft 30 according to distance sensor 41's sensing drive movable wheel 20, with the wheel spacing between regulation movable wheel 20 and the tight pulley 10, reach the preset wheel spacing until movable wheel 20 and tight pulley 10, and then make the train wheel accurate adjustable in wheel spacing, realize the train wheel to the gauge that can be applied to different specifications, the transnational transportation of the goods of being convenient for, avoid the goods dismouting again, and is time-saving and labor-saving, and the transport efficiency is improved.
When the train wheel of the present invention is applied to a train, the train wheel may be provided with a first electromagnet (not shown) on the chassis of the train, and a second electromagnet (not shown) on the rail of the track gauge-changing section. When the wheel track needs to be adjusted, the first electromagnet and the second electromagnet are electrified, and the electrified first electromagnet is repelled with the electrified second electromagnet, so that the supporting force of the rail on the movable wheel 20 can be reduced, the pushing force of the movable wheel 20 moving relative to the wheel shaft 30 can be further reduced, and the wheel track can be adjusted conveniently.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A train wheel-to-wheel distance adjusting device (100) is characterized by comprising a fixed wheel (10), a movable wheel (20), a wheel shaft (30) and an adjusting assembly (40), wherein the fixed wheel (10) is fixedly arranged on the wheel shaft (30), and the movable wheel (20) is movably arranged on the wheel shaft (30); the adjusting assembly (40) comprises a distance sensor (41) and an adjusting piece (42), the distance sensor (41) is used for sensing the distance between the fixed wheel (10) and the movable wheel (20), the adjusting piece (42) is connected with the movable wheel (20), the adjusting piece (42) can drive the movable wheel (20) to slide along the wheel shaft (30) in a telescopic mode, and the wheel distance between the fixed wheel (10) and the movable wheel (20) is adjusted according to the distance sensed by the distance sensor (41) until the fixed wheel (10) and the movable wheel (20) reach the preset wheel distance.
2. Train wheel pair wheel spacing adjustment device (100) according to claim 1, characterized in that said adjustment member (42) is a hydraulic cylinder (421), said hydraulic cylinder (421) comprising a piston rod (422), said piston rod (422) being connected to said movable wheel (20).
3. Train wheel pair pitch adjusting device (100) according to claim 2, wherein said adjusting assembly (40) further comprises a control valve (44) and a hydraulic pump (43), said control valve (44) being connected at both ends to said hydraulic pump (43) and to said hydraulic cylinder (421), respectively.
4. A train wheel pair wheel spacing adjusting device (100) as claimed in claim 3, wherein said piston rod (422) divides the inner cavity of said hydraulic cylinder (421) into a first hydraulic chamber (423) and a second hydraulic chamber (424), said control valve (44) being capable of selectively communicating said first hydraulic chamber (423) or said second hydraulic chamber (424) and controlling said piston rod (422) to move said movable wheel (20).
5. A train wheel pair pitch adjusting apparatus (100) as claimed in claim 3, wherein said adjusting assembly (40) further comprises a pressure reducing valve (46), said pressure reducing valve (46) being disposed between said hydraulic pump (43) and said control valve (44).
6. Train wheel pair wheel spacing adjustment device (100) according to claim 3, characterized in that said adjustment assembly (40) further comprises an oil tank (45), the outlet of said oil tank (45) being in communication with said hydraulic pump (43), the inlet of said oil tank (45) being in communication with said hydraulic cylinder (421).
7. Train wheel-to-wheel spacing adjustment device (100) according to claim 4, characterized in that said control valve (44) is a three-position four-way solenoid valve; the control valve (44) has a first communication state in which only the hydraulic pump (43) and the first hydraulic chamber (423) are communicated, a second communication state in which only the hydraulic pump (43) and the second hydraulic chamber (424) are communicated, and a third communication state in which the hydraulic pump (43) and the first hydraulic chamber (423) and the second hydraulic chamber (424) are simultaneously disconnected.
8. Train wheel-to-wheel distance adjusting device (100) according to claim 1, wherein the wheel axle (30) is provided with an externally splined section, the movable wheel (20) is provided with an internally splined section, the movable wheel (20) and the wheel axle (30) are connected by a spline, and/or,
the fixed wheel (10) and the wheel shaft (30) are in interference fit.
9. Train wheel pair wheel pitch adjusting device (100) according to claim 2, characterized in that said hydraulic cylinder (421) is a single rod hydraulic cylinder.
10. Train wheel-to-wheel distance adjusting device (100) according to claim 2, characterized in that the number of said hydraulic cylinders (421) is two, and two of said hydraulic cylinders (421) are arranged in central symmetry with respect to the axis of said movable wheel (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920986372.4U CN210062993U (en) | 2019-06-27 | 2019-06-27 | Train wheel pair wheel distance adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920986372.4U CN210062993U (en) | 2019-06-27 | 2019-06-27 | Train wheel pair wheel distance adjusting device |
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| Publication Number | Publication Date |
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| CN210062993U true CN210062993U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920986372.4U Expired - Fee Related CN210062993U (en) | 2019-06-27 | 2019-06-27 | Train wheel pair wheel distance adjusting device |
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| CN (1) | CN210062993U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111519478A (en) * | 2020-04-08 | 2020-08-11 | 张何 | Gauge pull rod for track traffic |
-
2019
- 2019-06-27 CN CN201920986372.4U patent/CN210062993U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111519478A (en) * | 2020-04-08 | 2020-08-11 | 张何 | Gauge pull rod for track traffic |
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