CN212709419U - Rail wheel locking mechanism and mounting structure thereof - Google Patents
Rail wheel locking mechanism and mounting structure thereof Download PDFInfo
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- CN212709419U CN212709419U CN202021172109.0U CN202021172109U CN212709419U CN 212709419 U CN212709419 U CN 212709419U CN 202021172109 U CN202021172109 U CN 202021172109U CN 212709419 U CN212709419 U CN 212709419U
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Abstract
The utility model discloses a rail wheel locking mechanism and mounting structure thereof, rail wheel locking mechanism includes: the device comprises a force application mechanism, a linkage block and a locking assembly; the force applying mechanism is connected with the linkage block and is used for manually applying force along the height direction to the linkage block; the two locking assemblies are axially connected to the linkage block along the vehicle width direction, and the plane where the locking assemblies rotate is parallel to the height direction; the locking assembly comprises a connecting rod, a sliding shaft, a locking block and a rotating shaft; the first end of the connecting rod is provided with a long chute, and the second end of the connecting rod is connected with the connecting end of the locking block; the linkage block is provided with a rotating hole corresponding to the long sliding chute, and the sliding shaft penetrates through the long sliding chute and the rotating hole to realize the sliding connection of the linkage block and the connecting rod; the locking contour of the locking end of the locking block close to one side of the track is matched with the matching contour of the track wheel close to one side of the locking block, the connecting end of the locking block is connected to the track wheel seat through a rotating shaft in a shaft mode, and the plane where the locking block rotates is parallel to the height direction. The utility model discloses simple structure, realize convenient and locking firmly.
Description
Technical Field
The utility model belongs to the technical field of rail wheel locking, more specifically relates to a rail wheel locking mechanism and mounting structure thereof.
Background
The equipment walking or moving on the train track needs a corresponding brake mechanism or a fixing device when stopping or fixing to ensure the stability of the equipment, particularly platform equipment used for overhauling operation on the track, the operation surface is designed to be cantilever type for operation needs, the gravity center of the equipment deviates to a vehicle body, and a locking mechanism needs to be added to ensure the use safety of the equipment.
At present, the existing track wheel locking mechanism adopts a track side face jacking mode, a hydraulic push rod or an electric push rod jacks the side face of a train track in a jacking mode, a brake disc is clamped, and the like to lock the track wheel, so that the purpose of parking is achieved. At present, the rail wheel locking mechanism has a relatively single function, such as: the clamping brake disc type has only single brake function; some of the side-tightening type locking devices have the functions of braking and locking, but the operation is required to be respectively screwed by operators, so the operation is inconvenient; the hydraulic push rod or the electric push rod is in a jacking type, the use and the operation are convenient, the brake can be realized, the locking can also be realized, the equipment needs to additionally provide hydraulic pressure or an electric cylinder, the control system is relatively complex, the locking module is added on the equipment which is already provided with hydraulic pressure or electric control, the locking module is relatively good, but the equipment which is mainly of a pure mechanical structure is slightly complex. Therefore, there is a need for developing a rail wheel locking mechanism with simple structure, convenient implementation and firm locking.
Disclosure of Invention
To the above defect or improvement demand of prior art, the utility model provides a rail wheel locking mechanism and mounting structure thereof. The rail wheel locking mechanism includes:
the device comprises a force application mechanism, a linkage block and a locking assembly; the force application mechanism is connected with the linkage block and used for manually applying force along the height direction to the linkage block; the two locking assemblies are axially connected to the linkage block along the vehicle width direction, and the plane where the locking assemblies rotate is parallel to the height direction; the locking assembly comprises a connecting rod, a sliding shaft, a locking block and a rotating shaft; the first end of the connecting rod is provided with a long sliding groove, and the second end of the connecting rod is connected with the connecting end of the locking block; the linkage block is provided with a rotating hole corresponding to the long sliding chute, and the sliding shaft penetrates through the long sliding chute and the rotating hole to realize the sliding connection of the linkage block and the connecting rod; the locking end of the locking block is close to the locking contour on one side of the track and is matched with the matching contour on one side of the track wheel close to the locking block, the connecting end of the locking block is connected to the track wheel seat through the rotating shaft in a shaft mode, and the plane where the locking block rotates is parallel to the height direction.
Optionally, the locking assembly further comprises a rail wheel fixing piece, and a sleeve is arranged at the lower end of the rail wheel fixing piece along the height direction and corresponds to the rotating shaft, so that the rotating shaft is movably inserted into the sleeve; the upper end of the rail wheel fixing piece in the height direction is connected with the rail wheel seat.
Optionally, the force application mechanism comprises a crank handle and a screw nut force application structure; the lead screw nut stressing structure comprises a lead screw and a nut, the nut is sleeved on the outer side of the lead screw and is connected with a main beam for mounting a track wheel, the upper end of the lead screw in the height direction is connected with the crank handle, and the lower end of the lead screw in the height direction is connected with the linkage block; the hand crank rotates the lead screw to realize that the linkage block does reciprocating motion along the height direction.
Optionally, the connecting rod is of an L-shaped structure and comprises a cross rod extending along the vehicle width direction and a vertical rod extending along the height direction; the long sliding groove is arranged at the end part of one side of the cross rod, which is far away from the vertical rod; the locking block is connected with the end part of the vertical rod far away from one side of the cross rod.
Optionally, the cross section of the linkage block is U-shaped, and includes a transverse plate and two vertical plates oppositely disposed on two sides of the transverse plate along the track direction; the two vertical plates are provided with the rotating holes corresponding to the long sliding grooves; the transverse plate and the two vertical plates jointly enclose an accommodating space extending along the vehicle width direction, and the first end of the connecting rod is accommodated in the accommodating space.
Optionally, the connecting end and the locking end of the locking block are arranged at an angle, and the rotating shaft is arranged at the end part of one side of the connecting end close to the locking end; the locking contour of the locking end close to one side of the track is smooth radian and comprises a vertical section, an arc section and a horizontal section along the height direction, the arc section is arranged between the vertical section and the horizontal section, and the vertical section is close to the connecting end.
Optionally, the force applying mechanism includes turning handle, gear and spur rack, the gear with the spur rack meshing is connected, turning handle with the gear connection, the spur rack along the direction of height the lower extreme with the linkage block is connected.
Optionally, a contact part of the locking block and the rail is provided with a rough surface.
The utility model also provides a rail wheel locking mechanism's mounting structure, include:
the main beam, the rail wheel and the rail wheel locking mechanism are arranged on the main beam; the rail wheels are arranged below the main beam through rail wheel seats along the height direction, and correspond to the rails; the force application mechanism of the rail wheel locking mechanism is arranged on the main beam, so that the linkage block and the locking assembly of the rail wheel locking mechanism are arranged below the main beam along the height direction.
Optionally, the main beam is provided with road wheels, and the road wheels are arranged on the outer side of the rail wheels along the vehicle width direction.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
1. in the utility model, when the force applying mechanism applies downward thrust to the linkage block along the height direction, the thrust is effectively amplified through the lever structure, the effect of firmly locking the track wheel by applying very small force is achieved, the realization mode is very convenient and the structure is simple and compact; the two locking assemblies oppositely arranged along the width direction of the vehicle not only realize the synchronous screwing of the rail wheels at the two sides, but also realize the automatic locking after screwing; the rail wheel and the rail are effectively fixed, the sliding of the train rail moving equipment can be effectively prevented, and the problem of equipment overturning is solved. More excellent, the locking profile of latch segment and orbital cooperation profile looks adaptation, guaranteed latch segment and orbital effective area of contact, greatly increased the sliding friction power of latch segment and orbital, and along with the application of force mechanism lasts and applies thrust, the contact area of latch segment and orbital will increase gradually to the biggest, the sliding friction power of latch segment and orbital will also gradually increase to the biggest, otherwise the speed of rail wheel will be littleer and more, the power of reaction hand will be in human bearable scope, the human manual operation of being convenient for, and it is very convenient to operate. Preferably, the locking block and the rail wheel seat are fixed through the rotating shaft, so that the rail wheel and the rail can be effectively clamped, and the rail wheel is firmly fixed on the rail.
2. In the utility model, the self-locking function of the screw rod is utilized to completely relieve the force of the track wheel reacting on the hand in the locking process, so that the sliding friction force of the locking block and the track always maintains the increasing trend until the maximum value, and simultaneously, the speed of the track wheel is continuously reduced to be completely locked; the labor is saved and the operation is more convenient and faster as the force for rotating the lead screw is only applied by hands. More excellent, the rough surface has further improved latch segment and orbital coefficient of sliding friction, makes the utility model discloses a rail wheel changes in the locking track.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a rail wheel locking mechanism of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of a mounting structure of a rail wheel locking mechanism according to the present invention;
fig. 3 is a schematic top view of fig. 2.
In all the figures, the same reference numerals denote the same features, in particular: 1-main beam, 2-crank handle, 3-rail wheel, 4-screw nut stress application structure, 5-linkage block, 6-connecting rod, 61-long chute, 7-locking block, 71-vertical section, 72-arc section, 73-horizontal section, 8-rail wheel seat, 9-rotating shaft, 10-rail wheel fixing part, 11-sliding shaft, 12-road wheel and 13-rail.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
In one embodiment of the present invention, as shown in fig. 1-3, a rail wheel locking mechanism includes: the device comprises a force application mechanism, a linkage block 5 and a locking component; the force application mechanism is connected with the linkage block 5 and is used for manually applying force along the height direction to the linkage block 5; the two locking assemblies are axially connected to the linkage block 5 along the vehicle width direction, and the plane where the locking assemblies rotate is parallel to the height direction; the locking assembly comprises a connecting rod 6, a sliding shaft 11, a locking block 7 and a rotating shaft 9; a long sliding groove 61 is formed at the first end of the connecting rod 6, and the second end of the connecting rod 6 is connected with the connecting end of the locking block 7; the linkage block 5 is provided with a rotating hole corresponding to the long sliding chute 61, and the sliding shaft 11 penetrates through the long sliding chute 61 and the rotating hole to realize the sliding connection of the linkage block 5 and the connecting rod 6; the locking contour of the locking end of the locking block 7 close to one side of the track 13 is matched with the matching contour of the track wheel 3 close to one side of the locking block 7, the connecting end of the locking block 7 is connected to the track wheel seat 8 through a rotating shaft 9 in a shaft mode, and the plane where the locking block 7 rotates is parallel to the height direction.
Optionally, the locking assembly further comprises a rail wheel fixing member 10, and a sleeve is arranged at the lower end of the rail wheel fixing member 10 along the height direction, corresponding to the rotating shaft 9, so that the rotating shaft 9 is movably inserted into the sleeve; the upper end of the rail wheel fixing member 10 in the height direction is connected to the rail wheel base 8. Specifically, the rail wheel 3 fixing member is detachably connected or fixedly connected with the rail wheel seat 8, and the detachable connection mode can be realized through the matching of a bolt and a nut, a buckle, a concave-convex matching structure along the vehicle width direction and the like.
Optionally, the force application mechanism comprises a hand crank 2 and a screw nut force application structure 4; the lead screw and nut stressing structure 4 comprises a lead screw and a nut, the nut is sleeved on the outer side of the lead screw and is connected with a main beam 1 for mounting the track wheel 3, the upper end of the lead screw in the height direction is connected with a crank 2, and the lower end of the lead screw in the height direction is connected with a linkage block 5; the hand crank 2 rotates the lead screw to realize the reciprocating motion of the linkage block 5 along the height direction.
Optionally, the connecting rod 6 is an L-shaped structure, and includes a cross rod extending in the vehicle width direction and a vertical rod extending in the height direction; the long sliding groove 61 is arranged at the end part of the cross rod far away from one side of the vertical rod; the locking block 7 is connected with the end part of the vertical rod far away from one side of the cross rod.
Optionally, the cross section of the linkage block 5 is U-shaped, and includes a transverse plate and two vertical plates oppositely disposed at two sides of the transverse plate along the track direction; the two vertical plates are provided with rotating holes corresponding to the long sliding grooves 61; the transverse plate and the two vertical plates jointly enclose an accommodating space extending along the vehicle width direction, and the first end of the connecting rod 6 is accommodated in the accommodating space. The limiting and positioning of the corresponding connecting rod 6 are realized through the transverse plate and the vertical plate, the linearity of the connecting rod 6 in the movement process along the height direction is improved, and therefore the locking block 7 is tightly attached to the rail 13.
Optionally, the connecting end and the locking end of the locking block 7 are arranged at an angle, and the rotating shaft 9 is arranged at the end part of one side of the connecting end close to the locking end; the locking profile that locking end is close to track 13 one side is slick and sly radian, includes vertical section 71, circular arc section 72 and horizontal segment 73 along the direction of height, and circular arc section 72 is located between vertical section 71 and the horizontal segment 73, and vertical section 71 is close to the link setting. Specifically, the vertical section 71 is adjacent to the side wall of the rail 13 along the vehicle width direction, the circular arc section 72 is adjacent to the rail 13 along the vehicle width direction and the height direction, and the horizontal section 73 is arranged below the rail 13 and is adjacent to the rail 13 from bottom to top, so that the contact area between the locking block 7 and the rail 13 is increased.
Optionally, the contact part of the locking block 7 and the rail 13 is provided with a rough surface. Preferably, the roughened surface is provided in the horizontal section 73, particularly by providing a counter bore in the horizontal section 73.
It can be understood that, in practical application, when the rail wheel 3 running on the rail 13 needs to be locked, the force application mechanism is manually actuated to apply a downward thrust along the height direction to the linkage block 5, when the linkage block 5 moves downward along the height direction, the connecting rod 6 will move downward along with the linkage block 5, the sliding groove will slide along the long sliding groove 61 to be close to the rail 13 corresponding to the sliding groove, and due to the existence of the rotating shaft 9, based on the lever principle, the locking end of the locking block 7 swings the rotating shaft 9 upwards as a rotating point along the height direction to be close to the rail 13 and simultaneously approaches to the rail 13 along the vehicle width direction, so as to realize the superposition of the locking profile and the matching profile, so that the locking profile wraps the matching profile, and further realize the gradual deceleration of the rail wheel 3 until the rail wheel 3 is locked to the rail 13. When the rail wheel 3 needs to be unlocked from the rail 13, the force application mechanism is manually actuated, so that the force application mechanism applies upward pulling force along the height direction to the linkage block 5, when the linkage block 5 moves upward along the height direction, the connecting rod 6 moves upward along with the linkage block 5, the sliding groove slides along the long sliding groove 61 to be away from the corresponding rail 13, due to the existence of the rotating shaft 9, based on the lever principle, the locking end of the locking block 7 swings the rotating shaft 9 downwards along the height direction as a rotating point to be away from the rail 13 and simultaneously is away from the rail 13 along the vehicle width direction, the locking end of the locking block 7 is away from the rail 13 along the vehicle width direction and is away from the rail 13 along the height direction, so that the separation of the locking profile and the matching profile is realized, the rail wheel 3 is gradually separated from the rail 13, and the rail wheel 3 can move again.
In another embodiment of the present invention, different from the above embodiments, the force applying mechanism of the present embodiment includes a rotating handle, a gear and a spur rack, the gear is engaged with the spur rack, the rotating handle is connected to the gear, and the spur rack is connected to the linkage block 5 along the lower end of the height direction. Optionally, the gear mechanism further comprises a spring piece for preventing the gear from rotating reversely, and when the force for rotating the gear reaches a certain threshold value, the spring piece cannot prevent the gear from rotating in the direction, so that the up-and-down reciprocating motion of the linkage block 5 is not influenced. Specifically, the main beam 1 is provided with an upper channel and a lower channel corresponding to the spur rack, and the gear shaft is connected to the main beam 1.
In another embodiment of the present invention, as shown in fig. 1 to 3, a mounting structure of a rail wheel locking mechanism includes: the main beam 1, the rail wheel 3 and the rail wheel locking mechanism; the rail wheels 3 are arranged below the main beam 1 through rail wheel seats 8 in the height direction, and the rail wheels 3 correspond to the rails; the force application mechanism of the rail wheel locking mechanism is arranged on the main beam 1, so that the linkage block 5 and the locking component of the rail wheel locking mechanism are arranged below the main beam 1 along the height direction. Alternatively, the main beam 1 is mounted with road wheels 12, the road wheels 12 being provided on the outer side of the rail wheels 3 in the vehicle width direction.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (10)
1. A rail wheel locking mechanism, comprising:
the device comprises a force application mechanism, a linkage block and a locking assembly;
the force application mechanism is connected with the linkage block and used for manually applying force along the height direction to the linkage block; the two locking assemblies are axially connected to the linkage block along the vehicle width direction, and the plane where the locking assemblies rotate is parallel to the height direction;
the locking assembly comprises a connecting rod, a sliding shaft, a locking block and a rotating shaft;
the first end of the connecting rod is provided with a long sliding groove, and the second end of the connecting rod is connected with the connecting end of the locking block; the linkage block is provided with a rotating hole corresponding to the long sliding chute, and the sliding shaft penetrates through the long sliding chute and the rotating hole to realize the sliding connection of the linkage block and the connecting rod;
the locking end of the locking block is close to the locking contour on one side of the track and is matched with the matching contour on one side of the track wheel close to the locking block, the connecting end of the locking block is connected to the track wheel seat through the rotating shaft in a shaft mode, and the plane where the locking block rotates is parallel to the height direction.
2. The rail-wheel locking mechanism of claim 1, wherein:
the locking assembly further comprises a rail wheel fixing piece, and a sleeve is arranged at the lower end of the rail wheel fixing piece along the height direction and corresponds to the rotating shaft, so that the rotating shaft is movably inserted into the sleeve; the upper end of the rail wheel fixing piece in the height direction is connected with the rail wheel seat.
3. The rail-wheel locking mechanism of claim 1, wherein:
the force application mechanism comprises a crank handle and a screw nut force application structure; the lead screw nut stressing structure comprises a lead screw and a nut, the nut is sleeved on the outer side of the lead screw and is connected with a main beam for mounting a track wheel, the upper end of the lead screw in the height direction is connected with the crank handle, and the lower end of the lead screw in the height direction is connected with the linkage block; the hand crank rotates the lead screw to realize that the linkage block does reciprocating motion along the height direction.
4. The rail-wheel locking mechanism of claim 1, wherein:
the connecting rod is of an L-shaped structure and comprises a cross rod extending along the vehicle width direction and a vertical rod extending along the height direction; the long sliding groove is arranged at the end part of one side of the cross rod, which is far away from the vertical rod; the locking block is connected with the end part of the vertical rod far away from one side of the cross rod.
5. The rail-wheel locking mechanism of claim 1, wherein:
the cross section of the linkage block is U-shaped and comprises a transverse plate and two vertical plates which are oppositely arranged at two sides of the transverse plate along the track direction; the two vertical plates are provided with the rotating holes corresponding to the long sliding grooves; the transverse plate and the two vertical plates jointly enclose an accommodating space extending along the vehicle width direction, and the first end of the connecting rod is accommodated in the accommodating space.
6. The rail-wheel locking mechanism of claim 1, wherein:
the connecting end and the locking end of the locking block are arranged at an angle, and the rotating shaft is arranged at the end part of one side of the connecting end, which is close to the locking end; the locking contour of the locking end close to one side of the track is smooth radian and comprises a vertical section, an arc section and a horizontal section along the height direction, the arc section is arranged between the vertical section and the horizontal section, and the vertical section is close to the connecting end.
7. The rail-wheel locking mechanism of claim 1, wherein:
the force application mechanism comprises a rotating handle, a gear and a spur rack, the gear is connected with the spur rack in a meshed mode, the rotating handle is connected with the gear, and the spur rack is connected with the linkage block along the lower end of the height direction.
8. The rail-wheel locking mechanism of any one of claims 1-7, wherein:
and a rough surface is arranged at the contact part of the locking block and the track.
9. A mounting structure of a rail wheel locking mechanism, comprising:
-a main beam, a rail wheel and a rail wheel locking mechanism according to any of the preceding claims 1-8;
the rail wheels are arranged below the main beam through rail wheel seats along the height direction, and correspond to the rails;
the force application mechanism of the rail wheel locking mechanism is arranged on the main beam, so that the linkage block and the locking assembly of the rail wheel locking mechanism are arranged below the main beam along the height direction.
10. The mounting structure of a rail-wheel locking mechanism according to claim 9, wherein:
the main beam is provided with road wheels, and the road wheels are arranged on the outer sides of the track wheels along the width direction of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021172109.0U CN212709419U (en) | 2020-06-23 | 2020-06-23 | Rail wheel locking mechanism and mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021172109.0U CN212709419U (en) | 2020-06-23 | 2020-06-23 | Rail wheel locking mechanism and mounting structure thereof |
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| Publication Number | Publication Date |
|---|---|
| CN212709419U true CN212709419U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021172109.0U Active CN212709419U (en) | 2020-06-23 | 2020-06-23 | Rail wheel locking mechanism and mounting structure thereof |
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| CN (1) | CN212709419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931684A (en) * | 2021-11-20 | 2022-01-14 | 中铁建大桥工程局集团第五工程有限公司 | Material transportation equipment for large-inclination-angle tunnel |
-
2020
- 2020-06-23 CN CN202021172109.0U patent/CN212709419U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931684A (en) * | 2021-11-20 | 2022-01-14 | 中铁建大桥工程局集团第五工程有限公司 | Material transportation equipment for large-inclination-angle tunnel |
| CN113931684B (en) * | 2021-11-20 | 2024-01-26 | 中铁建大桥工程局集团第五工程有限公司 | Material conveying equipment for large-dip-angle tunnel |
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