CN220099546U - CRTS III type slab ballastless track slab fine adjustment support - Google Patents
CRTS III type slab ballastless track slab fine adjustment support Download PDFInfo
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- CN220099546U CN220099546U CN202321528853.3U CN202321528853U CN220099546U CN 220099546 U CN220099546 U CN 220099546U CN 202321528853 U CN202321528853 U CN 202321528853U CN 220099546 U CN220099546 U CN 220099546U
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- 230000007246 mechanism Effects 0.000 claims abstract description 137
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- 230000005540 biological transmission Effects 0.000 claims description 48
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
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- 239000010949 copper Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 7
- 238000010030 laminating Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 6
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Abstract
The utility model discloses a CRTS III type plate-type ballastless track slab fine adjustment support, which comprises an X-direction adjustment mechanism, a Y-direction adjustment mechanism, a Z-direction adjustment mechanism, a track slab connecting block and a base plate, wherein the X-direction adjustment mechanism is arranged on the base plate, the Y-direction adjustment mechanism is arranged on the X-direction adjustment mechanism, and the Z-direction adjustment mechanism is arranged on the Y-direction adjustment mechanism; the track plate connecting block is hinged with a Z-axis support of the Z-direction adjusting mechanism, and the adjusting shafts of the X-direction adjusting mechanism, the Y-direction adjusting mechanism and the Z-direction adjusting mechanism are all vertically upwards; the Z-direction adjusting mechanism is provided with a gear reduction mechanism. The precision of the existing fine adjustment support can be greatly improved, and the accuracy of operation is improved; the torque required during adjustment is reduced, and the labor intensity of manual operation is lightened; the operation difficulty and the space requirement are reduced, and preconditions are provided for future full-automatic and semi-automatic fine adjustment; realize the omnidirectional laminating with the track board, satisfy the demand under the different operation environment.
Description
Technical Field
The utility model belongs to the technical field of high-speed railway track construction, and particularly relates to a CRTS III type slab ballastless track slab fine adjustment support.
Background
In the CRTS III slab ballastless track slab laying process, each track slab needs 4 fine adjustment supports to carry out fine adjustment on the track slab so as to meet the construction requirements of the ballastless track. In the fine adjustment process at the present stage, a technician provides data through a total station to guide constructors, and then the adjustment operation is completed through adjusting the fine adjustment support.
The quality of the fine adjustment support directly influences the labor intensity of workers and whether the operation progress can be finished as expected. The problems that the adjusting torque is overlarge, the precision is insufficient, the joint cannot be completely attached, the adjusting procedure is complicated and the like exist in the operation process of the original fine-adjustment support. Therefore, it is desirable to provide a new type of fine tuning support to solve the problems of the work site.
Disclosure of Invention
The utility model provides a CRTS III plate type ballastless track slab fine adjustment support, which is characterized in that a transmission structure of a high-precision T-shaped screw rod is adopted to replace the original screw rod transmission to improve transmission precision, meanwhile, a gear reduction mechanism is added in the Z-axis direction to reduce necessary adjustment torque, bevel gear structures are added in the X-axis and Y-axis to enable adjustment shafts in three directions to be vertically upwards, fine adjustment difficulty and space requirements are reduced, and a hinge structure is added at the connection position of the fine adjustment support and the track slab to enable the fine adjustment support to be completely attached to the track slab. Through the design, the convenience and practicality of the fine adjustment support can be improved, and the fine adjustment operation efficiency is improved.
The utility model is realized in such a way that the CRTS III type slab ballastless track slab fine adjustment support comprises an X-direction adjustment mechanism, a Y-direction adjustment mechanism, a Z-direction adjustment mechanism and a backing plate, wherein the X-direction adjustment mechanism, the Y-direction adjustment mechanism and the Z-direction adjustment mechanism are respectively used for adjusting a track slab in a X, Y, Z three-dimensional direction;
the X-direction adjusting mechanism is arranged on the base plate, the Y-direction adjusting mechanism is arranged on the X-direction adjusting mechanism, and the Z-direction adjusting mechanism is arranged on the Y-direction adjusting mechanism;
the fine adjustment support also comprises a track plate connecting block, and the track plate connecting block is hinged with a Z-axis support of the Z-direction adjusting mechanism, so that the fine adjustment support is completely attached to the track plate;
the respective adjusting shafts of the X-direction adjusting mechanism, the Y-direction adjusting mechanism and the Z-direction adjusting mechanism are all vertically upwards; the Z-direction adjusting mechanism is provided with a gear reduction mechanism for reducing the torque required during Z-axis adjustment.
Preferably, the X-direction adjusting mechanism comprises an X-axis frame, an X-axis adjusting sliding block, an X-axis adjusting screw rod, an X-axis conical gear transmission mechanism and an X-axis adjusting shaft, wherein the X-axis frame is fixedly connected to the base plate, the X-axis adjusting sliding block is slidingly connected in the X-axis frame, the X-axis adjusting screw rod is in threaded connection with the X-axis adjusting sliding block, one end of the X-axis adjusting screw rod is fixedly connected with the output end of the X-axis conical gear transmission mechanism, and the input end of the X-axis conical gear transmission mechanism is fixedly connected with the X-axis adjusting shaft;
the Y-direction adjusting mechanism comprises a Y-axis frame, a Y-axis adjusting slide block, a Y-axis adjusting screw rod, a Y-axis bevel gear transmission mechanism and a Y-axis adjusting shaft, wherein the Y-axis frame is fixedly connected to the X-axis adjusting slide block, the Y-axis adjusting slide block is slidably connected in the Y-axis frame, the Y-axis adjusting screw rod is in threaded connection with the Y-axis adjusting slide block, one end of the Y-axis adjusting screw rod is fixedly connected with the output end of the Y-axis bevel gear transmission mechanism, and the input end of the Y-axis bevel gear transmission mechanism is fixedly connected with the Y-axis adjusting shaft;
z is to guiding mechanism includes Z axle supporting seat, Z axle support, Z axle adjusting screw, gear reduction mechanism and Z axle adjustment axle, Z axle supporting seat fixed connection is on Y axle adjustment slider, Z axle support sliding connection is in Z axle supporting seat, Z axle adjusting screw and Z axle support threaded connection, gear reduction mechanism's output is connected on Z axle adjusting screw's upper portion, gear reduction mechanism's input and Z axle adjustment axle fixed connection.
Further preferably, the X-axis conical gear transmission mechanism comprises an X-axis first conical gear and an X-axis second conical gear, the X-axis first conical gear is meshed with the X-axis second conical gear, the axial direction of the X-axis first conical gear is perpendicular to the axial direction of the X-axis second conical gear, the X-axis first conical gear is fixedly connected with the X-axis adjusting shaft, and the X-axis second conical gear is fixedly connected with the X-axis adjusting screw; the X-axis frame is fixedly connected with an X-axis bevel gear flange, and the X-axis adjusting shaft is supported by a bearing assembly arranged on the X-axis bevel gear flange.
Still further preferably, the bearing assembly on the X-axis bevel gear flange comprises a bearing seat, an inner bearing pad sleeve, an outer bearing pad sleeve and a small deep groove ball bearing, the bearing seat is arranged on the X-axis bevel gear flange, the small deep groove ball bearings are respectively arranged between the upper part and the lower part of the bearing seat and the X-axis adjusting shaft, the outer bearing pad sleeves are arranged between the outer rings of the small deep groove ball bearings, and the inner bearing pad sleeves are arranged between the inner rings of the small deep groove ball bearings.
Further preferably, the Y-axis conical gear transmission mechanism comprises a Y-axis first conical gear and a Y-axis second conical gear, the Y-axis first conical gear is meshed with the Y-axis second conical gear, the axial direction of the Y-axis first conical gear is perpendicular to the axial direction of the Y-axis second conical gear, the Y-axis first conical gear is fixedly connected with the Y-axis adjusting shaft, and the Y-axis second conical gear is fixedly connected with the Y-axis adjusting screw; the Y-axis frame is fixedly connected with a Y-axis bevel gear flange, and the Y-axis adjusting shaft is supported by a bearing assembly arranged on the Y-axis bevel gear flange.
Still more preferably, the structure of the bearing assembly on the Y-axis bevel gear flange is identical to the structure of the bearing assembly on the X-axis bevel gear flange.
Further preferably, the gear reduction mechanism comprises a large cylindrical gear and a small cylindrical gear, the large cylindrical gear is meshed with the small cylindrical gear, the axial direction of the large cylindrical gear is parallel to the axial direction of the small cylindrical gear, the large cylindrical gear is fixedly connected with the Z-axis adjusting screw, and the small cylindrical gear is fixedly connected with the Z-axis adjusting shaft; the top fixedly connected with Z axle gear board of Z axle supporting seat, Z axle adjustment axle is supported through Z axle gear board.
Further preferably, copper sleeves are respectively arranged between the two ends of the X-axis adjusting screw and the X-axis frame, between the two ends of the Y-axis adjusting screw and the Y-axis frame, and between the two ends of the Z-axis adjusting screw and the Z-axis supporting seat.
Preferably, the track board connecting block is hinged with the Z-axis support through a step pin, one end of the step pin is provided with a pin hole, and a cotter pin for preventing the step pin from falling off is inserted in the pin hole.
The utility model has the advantages and positive effects that:
1. according to the fine adjustment support, the transmission structure of the high-precision T-shaped screw rod is adopted to replace the original screw rod transmission, so that the precision of the existing fine adjustment support can be greatly improved, and the accuracy of operation is improved; the gear reduction mechanism reduces the torque required during adjustment, and reduces the labor intensity of manual operation; the adjusting shafts of the X, Y, Z three shafts are upwards in a consistent manner, so that the operation difficulty and the space requirement are reduced, and preconditions are provided for future full-automatic and semi-automatic fine adjustment; the hinge structure is added at the joint of the rail plate, so that the joint is comprehensively attached to the rail plate, and the requirements under different working environments are met.
2. The fine adjustment support disclosed by the utility model can be suitable for the track slab fine adjustment operation of the CRTS III slab ballastless track, and is suitable for automatic and semi-automatic fine adjustment operation.
Drawings
FIG. 1 is a perspective view of a track plate fine adjustment bracket provided by an embodiment of the present utility model;
FIG. 2 is a front view of a track plate fine adjustment stand provided by an embodiment of the present utility model;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a section B-B of FIG. 2;
FIG. 5 is a side view of a track plate fine adjustment bracket provided by an embodiment of the present utility model;
FIG. 6 is a section C-C of FIG. 5;
fig. 7 is a top view of fig. 5.
In the figure: 1. an X-direction adjusting mechanism; 101. an X-axis frame; 102. an X-axis adjusting sliding block; 103. an X-axis adjusting screw; 104. an X-axis conical gear transmission mechanism; 104-1, X-axis first bevel gear; 104-2, an X-axis second conical gear; 105. an X-axis adjusting shaft; 106. an X-axis bevel gear flange; 107. an X protective cover;
2. a Y-direction adjusting mechanism; 201. a Y-axis frame; 202. a Y-axis adjusting slide block; 203. y-axis adjusting screw rod; 204. y-axis bevel gear transmission mechanism; 204-1, a Y-axis first conical gear; 204-2, a Y-axis second bevel gear; 205. a Y-axis adjusting shaft; 206. y-axis bevel gear flange; 207. y protective cover;
3. a Z-direction adjusting mechanism; 301. a Z-axis supporting seat; 302. a Z-axis support; 303. a Z-axis adjusting screw; 304. a gear reduction mechanism; 304-1, large cylindrical gear; 304-2, small cylindrical gears; 305. a Z-axis adjusting shaft; 306. a Z-axis gear plate; 307. a Z-axis gear cover;
4. a track plate connecting block; 401. a step pin; 402. a cotter pin;
5. a backing plate; 6. a copper sleeve; 7. a bearing assembly; 701. a bearing seat; 702. an inner bearing pad sleeve; 703. an outer bearing pad sleeve; 704. a small deep groove ball bearing; 8. large deep groove ball bearings.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples
Referring to fig. 1 to 7, an embodiment of the utility model provides a CRTS iii slab ballastless track slab fine adjustment support, which comprises an X-direction adjustment mechanism 1, a Y-direction adjustment mechanism 2, a Z-direction adjustment mechanism 3, a track slab connection block 4 and a base plate 5, wherein the X-direction adjustment mechanism 1 is arranged on the base plate 5, the Y-direction adjustment mechanism 2 is arranged on the X-direction adjustment mechanism 1, the Z-direction adjustment mechanism 3 is arranged on the Y-direction adjustment mechanism 2, the X-direction adjustment mechanism 1, the Y-direction adjustment mechanism 2 and the Z-direction adjustment mechanism 3 are respectively used for adjusting a track slab in a X, Y, Z three-dimensional direction, and adjustment axes of the X-direction adjustment mechanism 1, the Y-direction adjustment mechanism 2 and the Z-direction adjustment mechanism 3 are all vertically upward; the Z-direction adjusting mechanism 3 is provided with a gear reduction mechanism 304 for reducing the torque required for Z-axis adjustment; the track plate connecting block 4 is hinged with the Z-axis support 302 of the Z-direction adjusting mechanism 3, and a certain degree of freedom is supported by the Z-axis support through hinging, so that the track plate connecting block 4 is completely attached to the track plate when being connected, and internal stress generated by the change of the track plate posture in the adjusting process is counteracted.
The X-axis adjusting mechanism 1 comprises an X-axis frame 101, an X-axis adjusting sliding block 102, an X-axis adjusting screw 103, an X-axis conical gear transmission mechanism 104 and an X-axis adjusting shaft 105, wherein the X-axis frame 101 is fixedly connected to a base plate 5, the X-axis adjusting sliding block 102 is slidably connected in the X-axis frame 101, the X-axis adjusting screw 103 is in threaded connection with the X-axis adjusting sliding block 102, one end of the X-axis adjusting screw 103 is fixedly connected with the output end of the X-axis conical gear transmission mechanism 104, and the input end of the X-axis conical gear transmission mechanism 104 is fixedly connected with the X-axis adjusting shaft 105. The X-direction adjusting mechanism 1 is structurally designed, so that transmission of an X-direction high-precision T-shaped screw rod is realized, and an X-axis adjusting shaft is consistent with a Y, Z adjusting shaft in direction through a bevel gear transmission structure, so that adjustment operation is unified.
The X-axis conical gear transmission mechanism 104 comprises an X-axis first conical gear 104-1 and an X-axis second conical gear 104-2, the X-axis first conical gear 104-1 is meshed with the X-axis second conical gear 104-2, the axial direction of the X-axis first conical gear 104-1 is perpendicular to the axial direction of the X-axis second conical gear 104-2, the X-axis first conical gear 104-1 is fixedly connected with an X-axis adjusting shaft 105, and the X-axis second conical gear 104-2 is fixedly connected with an X-axis adjusting screw 103; an X-axis bevel gear flange 106 is fixedly connected to the X-axis frame 101, and the X-axis adjustment shaft 105 supports the X-axis adjustment shaft 105 through a bearing assembly 7 mounted on the X-axis bevel gear flange 106.
The bearing assembly 7 on the X-axis bevel gear flange 106 comprises a bearing seat 701, an inner bearing pad 702, an outer bearing pad 703 and a small deep groove ball bearing 704, wherein the bearing seat 701 is arranged on the X-axis bevel gear flange 106, the small deep groove ball bearing 704 is respectively arranged between the upper part and the lower part of the bearing seat 701 and the X-axis adjusting shaft 105, the outer bearing pad 703 is arranged between the outer rings of the upper part and the lower part of the small deep groove ball bearing 704, and the inner bearing pad 702 is arranged between the inner rings of the upper part and the lower part of the small deep groove ball bearing 704. The bearing assembly 7 adopts a double-deep groove ball bearing structure, and the structure can counteract partial axial force generated when the conical gear structure acts while stabilizing the adjusting shaft; meanwhile, the modularized design is adopted, so that the maintenance is convenient.
An X protective cover 107 is arranged on the periphery of the X-axis conical gear transmission mechanism 104, and the X protective cover 107 is arranged on the X-axis frame 101; the X-axis adjusting shaft 105 is an X-axis bevel gear shaft. Copper pads are arranged between the X-axis first conical gear 104-1 and the corresponding bearing assembly 7, and copper pads are arranged between the X-axis second conical gear 104-2 and the X-axis frame 101. Copper sleeves 6 are respectively arranged between the two ends of the X-axis adjusting screw 103 and the X-axis frame 101, the copper sleeves 6 have a self-lubricating function, can bear larger radial force, and are suitable for outdoor use.
The X-axis adjusting mechanism 1 is characterized in that an X-axis adjusting screw 103 and an X-axis adjusting sliding block 102 are assembled and installed on an X-axis frame 101 through a copper sleeve 6, one end of the X-axis adjusting screw 103 is fixedly installed through a limiting sleeve and a pin shaft, an X-axis second conical gear 104-2 is installed at the other end of the X-axis adjusting screw, a copper pad is arranged between the X-axis second conical gear 104-2 and the X-axis frame 101, the direction of a force output shaft is converted from horizontal to vertical through the meshing of the two conical gears, and meanwhile, an X-axis adjusting shaft 105, a small deep groove ball bearing 704 and a bearing pad sleeve are assembled into a transmission mechanism to be connected with the conical gears. When an operator rotates the adjusting shaft in the X-axis direction by using a special tool, the X-axis conical gear transmission mechanism 104 is transmitted to the X-axis adjusting sliding block 102 through the X-axis adjusting screw 103, so that the fine adjustment of the X-axis direction of the track plate is realized.
The Y-direction adjusting mechanism 2 comprises a Y-axis frame 201, a Y-axis adjusting slide block 202, a Y-axis adjusting screw 203, a Y-axis bevel gear transmission mechanism 204 and a Y-axis adjusting shaft 205, wherein the Y-axis frame 201 is fixedly connected to the X-axis adjusting slide block 102, the Y-axis adjusting slide block 202 is slidably connected to the Y-axis frame 201, the Y-axis adjusting screw 203 is in threaded connection with the Y-axis adjusting slide block 202, one end of the Y-axis adjusting screw 203 is fixedly connected with the output end of the Y-axis bevel gear transmission mechanism 204, and the input end of the Y-axis bevel gear transmission mechanism 204 is fixedly connected with the Y-axis adjusting shaft 205. The structural design of the Y-direction adjusting mechanism 2 realizes the transmission of a Y-direction high-precision T-shaped screw rod, and the Y-axis adjusting shaft is consistent with the X, Z adjusting shaft in direction through a bevel gear transmission structure, so that the adjusting operation is unified.
The Y-axis conical gear transmission mechanism 204 comprises a Y-axis first conical gear 204-1 and a Y-axis second conical gear 204-2, the Y-axis first conical gear 204-1 is meshed with the Y-axis second conical gear 204-2, the axial direction of the Y-axis first conical gear 204-1 is perpendicular to the axial direction of the Y-axis second conical gear 204-2, the Y-axis first conical gear 204-1 is fixedly connected with a Y-axis adjusting shaft 205, and the Y-axis second conical gear 204-2 is fixedly connected with a Y-axis adjusting screw 203; the Y-axis frame 201 is fixedly connected with a Y-axis bevel gear flange 206, and the Y-axis adjusting shaft 205 supports the Y-axis adjusting shaft 205 through a bearing assembly 7 arranged on the Y-axis bevel gear flange 206.
The structure of the bearing assembly 7 on the Y-axis bevel gear flange 206 is the same as the structure of the bearing assembly 7 on the X-axis bevel gear flange 106. A Y-axis protective cover 207 is arranged on the periphery of the Y-axis conical gear transmission mechanism 204, and the Y-axis protective cover 207 is installed on the Y-axis frame 201; the Y-axis adjusting shaft 205 is a Y-axis bevel gear shaft. Copper pads are arranged between the Y-axis first conical gear 204-1 and the corresponding bearing assembly 7, and copper pads are arranged between the Y-axis second conical gear 204-2 and the Y-axis frame 201. Similarly, copper bushings 6 are provided between the Y-axis frame 201 and both ends of the Y-axis adjusting screw 203.
Wherein, the Y-direction adjusting mechanism 2 is characterized in that a Y-axis adjusting screw 203 and a Y-axis adjusting sliding block 202 are assembled and installed on a Y-axis frame 201 through a copper sleeve 6, one end of the Y-axis adjusting screw 203 is fixedly installed through a limiting sleeve and a pin shaft, a Y-axis second conical gear 204-2 is installed at the other end of the Y-axis adjusting screw, a copper pad is arranged between the Y-axis second conical gear 204-2 and the Y-axis frame 201, the direction of a force output shaft is converted from horizontal to vertical through the meshing of the two conical gears, and meanwhile, a transmission mechanism is formed by the Y-axis adjusting shaft 205, a deep groove ball bearing and a bearing pad sleeve. When an operator rotates the Y-axis adjusting shaft by using a special tool, the Y-axis bevel gear transmission mechanism 204 is transmitted to the Y-axis adjusting sliding block 202 through the Y-axis adjusting screw 203, so that the fine adjustment of the Y-axis direction of the track plate is realized.
The Z-direction adjusting mechanism 3 comprises a Z-axis supporting seat 301, a Z-axis supporting seat 302, a Z-axis adjusting screw 303, a gear reduction mechanism 304 and a Z-axis adjusting shaft 305, wherein the Z-axis supporting seat 301 is fixedly connected to the Y-axis adjusting slide block 202, the Z-axis supporting seat 302 is slidably connected to the Z-axis supporting seat 301, the Z-axis adjusting screw 303 is in threaded connection with the Z-axis supporting seat 302, the upper part of the Z-axis adjusting screw 303 is connected with the output end of the gear reduction mechanism 304, and the input end of the gear reduction mechanism 304 is fixedly connected with the Z-axis adjusting shaft 305. Similarly, copper sleeves 6 are respectively arranged between the two ends of the Z-axis adjusting screw 303 and the Z-axis supporting seat 301. The structural design of the Z-direction adjusting mechanism 3 realizes the transmission of a high-precision T-shaped screw rod in the Z direction, and adopts a spur gear speed reduction design, so that the torque can be amplified and adjusted to 1.5 times; meanwhile, the spur gear structure can transmit larger torque, and can meet the requirement of large torque transmission in the Z-axis direction.
The gear reduction mechanism 304 comprises a large cylindrical gear 304-1 and a small cylindrical gear 304-2, the large cylindrical gear 304-1 is meshed with the small cylindrical gear 304-2, the axial direction of the large cylindrical gear 304-1 is parallel to the axial direction of the small cylindrical gear 304-2, the large cylindrical gear 304-1 is fixedly connected with a Z-axis adjusting screw 303, and the small cylindrical gear 304-2 is fixedly connected with a Z-axis adjusting shaft 305; the top of the Z-axis support base 301 is fixedly connected with a Z-axis gear plate 306, and the Z-axis adjusting shaft 305 is supported by the Z-axis gear plate 306.
The periphery of the gear reduction mechanism 304 is covered with a Z-axis gear cover 307, and the Z-axis gear cover 307 is arranged on a Z-axis gear plate 306; the Z-axis adjustment shaft 305 is a Z-direction power shaft.
The track plate connecting block 4 is hinged with the Z-axis support 302 through a step pin 401, one end of the step pin 401 is provided with a pin hole, and the pin hole is inserted with a function of preventing the step pin 401 from falling off.
Wherein, the Z-direction adjusting mechanism 3 is characterized in that a Y-axis adjusting screw 203 and a Y-axis adjusting sliding block 202 are assembled and installed on a Z-axis frame through a copper sleeve 6, a large cylindrical gear 304-1 is installed at the top end of the Y-axis adjusting screw 203, the necessary input torque in the vertical direction is reduced through the engagement of the large cylindrical gear 304-2, and meanwhile, a small cylindrical gear 304-2 and a large deep groove ball bearing 8 are assembled into a transmission mechanism to be connected with the large cylindrical gear 304-1. When an operator rotates the Z-axis adjusting shaft 305 by using a special tool, the Z-axis adjusting shaft is driven to the Z-axis support 302 through a gear reduction mechanism 304 by a lifting adjusting screw rod, so that the fine adjustment of the Z-axis direction of the track plate is realized; the track plate connecting block 4 of the fine adjustment support is attached to the track plate, and the track plate connecting block and the track plate are combined into a hinge structure through the step pin 401, so that the requirement of complete attachment under different working conditions is met.
The specific working process of the utility model is as follows:
before operation, the fine adjustment support is connected with the track plate through a special screw, and the track plate connecting block 4 of the fine adjustment support is hinged with the Z-axis support 302 and can be completely attached to the track plate.
Fine tuning in X direction: the operator uses professional tools (according to the instruction of the technician) to rotate the X-axis adjusting shaft 105, the X-axis adjusting shaft 105 rotates, torque is transmitted to the X-axis adjusting screw 103 through the X-axis conical gear transmission mechanism 104, and the X-axis adjusting slider 102 is driven by the X-axis adjusting screw 103, so that the fine adjustment of the X-axis direction of the track plate is realized.
Fine tuning in Y direction: the operator uses specialized tools (according to the instruction of the technician), rotates the Y-axis adjusting shaft 205, transmits torque to the Y-axis adjusting screw 203 through the Y-axis bevel gear transmission mechanism 204, and drives the Y-axis adjusting slide block 202 through the Y-axis adjusting screw 203, thereby realizing the fine adjustment of the Y-axis direction of the track plate.
Fine tuning in Z direction: the operator uses specialized tools (according to the instruction of the technician), rotates the Z-axis adjusting shaft 305, increases torque through the gear reduction mechanism 304 and transmits the torque to the Z-axis adjusting screw 303, and drives the Z-axis support 302 to drive the track plate adjusting block to move up and down through the Z-axis adjusting screw 303, so that the fine adjustment of the Z-axis direction of the track plate is realized.
According to the fine adjustment support, the transmission structure of the high-precision T-shaped screw rod is adopted to replace the original screw rod transmission, so that the precision of the existing fine adjustment support can be greatly improved, and the accuracy of operation is improved; the gear reduction mechanism 304 reduces the torque required during adjustment, and reduces the labor intensity of manual operation; the adjusting shafts of the X, Y, Z three shafts are upwards in a consistent manner, so that the operation difficulty and the space requirement are reduced, and preconditions are provided for future full-automatic and semi-automatic fine adjustment; the hinge structure is added at the joint of the rail plate, so that the joint of the rail plate and the rail plate can be bonded in all directions, and the requirements of different operation environments are met.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model in any way, but any simple modification, equivalent variation and modification of the above embodiments according to the technical principles of the present utility model are within the scope of the technical solutions of the present utility model.
Claims (9)
1. A CRTS III type slab ballastless track slab fine adjustment support comprises an X-direction adjustment mechanism, a Y-direction adjustment mechanism, a Z-direction adjustment mechanism and a backing plate, wherein the X-direction adjustment mechanism, the Y-direction adjustment mechanism and the Z-direction adjustment mechanism are respectively used for adjusting a track slab in a X, Y, Z three-dimensional direction; the method is characterized in that:
the X-direction adjusting mechanism is arranged on the base plate, the Y-direction adjusting mechanism is arranged on the X-direction adjusting mechanism, and the Z-direction adjusting mechanism is arranged on the Y-direction adjusting mechanism;
the fine adjustment support also comprises a track plate connecting block, and the track plate connecting block is hinged with a Z-axis support of the Z-direction adjusting mechanism, so that the fine adjustment support is completely attached to the track plate;
the respective adjusting shafts of the X-direction adjusting mechanism, the Y-direction adjusting mechanism and the Z-direction adjusting mechanism are all vertically upwards; the Z-direction adjusting mechanism is provided with a gear reduction mechanism for reducing the torque required during Z-axis adjustment.
2. The CRTS III type slab ballastless track slab fine adjustment support of claim 1, wherein the X-direction adjustment mechanism comprises an X-axis frame, an X-axis adjustment slide block, an X-axis adjustment screw rod, an X-axis bevel gear transmission mechanism and an X-axis adjustment shaft, the X-axis frame is fixedly connected to a base plate, the X-axis adjustment slide block is slidingly connected in the X-axis frame, the X-axis adjustment screw rod is in threaded connection with the X-axis adjustment slide block, one end of the X-axis adjustment screw rod is fixedly connected with the output end of the X-axis bevel gear transmission mechanism, and the input end of the X-axis bevel gear transmission mechanism is fixedly connected with the X-axis adjustment shaft;
the Y-direction adjusting mechanism comprises a Y-axis frame, a Y-axis adjusting slide block, a Y-axis adjusting screw rod, a Y-axis bevel gear transmission mechanism and a Y-axis adjusting shaft, wherein the Y-axis frame is fixedly connected to the X-axis adjusting slide block, the Y-axis adjusting slide block is slidably connected in the Y-axis frame, the Y-axis adjusting screw rod is in threaded connection with the Y-axis adjusting slide block, one end of the Y-axis adjusting screw rod is fixedly connected with the output end of the Y-axis bevel gear transmission mechanism, and the input end of the Y-axis bevel gear transmission mechanism is fixedly connected with the Y-axis adjusting shaft;
z is to guiding mechanism includes Z axle supporting seat, Z axle support, Z axle adjusting screw, gear reduction mechanism and Z axle adjustment axle, Z axle supporting seat fixed connection is on Y axle adjustment slider, Z axle support sliding connection is in Z axle supporting seat, Z axle adjusting screw and Z axle support threaded connection, gear reduction mechanism's output is connected on Z axle adjusting screw's upper portion, gear reduction mechanism's input and Z axle adjustment axle fixed connection.
3. The CRTS III type slab ballastless track slab fine adjustment support of claim 2, wherein the X-axis conical gear transmission mechanism comprises an X-axis first conical gear and an X-axis second conical gear, the X-axis first conical gear is meshed with the X-axis second conical gear, the axial direction of the X-axis first conical gear is perpendicular to the axial direction of the X-axis second conical gear, the X-axis first conical gear is fixedly connected with an X-axis adjusting shaft, and the X-axis second conical gear is fixedly connected with an X-axis adjusting screw; the X-axis frame is fixedly connected with an X-axis bevel gear flange, and the X-axis adjusting shaft is supported by a bearing assembly arranged on the X-axis bevel gear flange.
4. The CRTS III slab ballastless track slab fine adjustment support of claim 3, wherein the bearing assembly on the X-axis bevel gear flange comprises a bearing seat, an inner bearing pad sleeve, an outer bearing pad sleeve and a small deep groove ball bearing, the bearing seat is arranged on the X-axis bevel gear flange, the small deep groove ball bearings are respectively arranged between the upper part and the lower part of the bearing seat and the X-axis adjustment shaft, the outer bearing pad sleeves are arranged between the outer rings of the upper and the lower small deep groove ball bearings, and the inner bearing pad sleeves are arranged between the inner rings of the upper and the lower small deep groove ball bearings.
5. The CRTS III type slab ballastless track slab fine adjustment support of claim 2, wherein the Y-axis conical gear transmission mechanism comprises a Y-axis first conical gear and a Y-axis second conical gear, the Y-axis first conical gear is meshed with the Y-axis second conical gear, the axial direction of the Y-axis first conical gear is perpendicular to the axial direction of the Y-axis second conical gear, the Y-axis first conical gear is fixedly connected with a Y-axis adjustment shaft, and the Y-axis second conical gear is fixedly connected with a Y-axis adjustment screw; the Y-axis frame is fixedly connected with a Y-axis bevel gear flange, and the Y-axis adjusting shaft is supported by a bearing assembly arranged on the Y-axis bevel gear flange.
6. The CRTS iii-type slab ballastless track slab fine adjustment support of claim 5, wherein the structure of the bearing assembly on the Y-axis bevel gear flange is identical to the structure of the bearing assembly on the X-axis bevel gear flange.
7. The CRTS iii-type slab ballastless track slab fine adjustment support according to claim 2, wherein the gear reduction mechanism comprises a large cylindrical gear and a small cylindrical gear, the large cylindrical gear and the small cylindrical gear are meshed, the axial direction of the large cylindrical gear is parallel to the axial direction of the small cylindrical gear, the large cylindrical gear is fixedly connected with a Z-axis adjusting screw, and the small cylindrical gear is fixedly connected with a Z-axis adjusting shaft; the top fixedly connected with Z axle gear board of Z axle supporting seat, Z axle adjustment axle is supported through Z axle gear board.
8. The CRTS iii type slab ballastless track slab fine adjustment support according to claim 2, wherein copper sleeves are respectively arranged between the two ends of the X-axis adjusting screw and the X-axis frame, between the two ends of the Y-axis adjusting screw and the Y-axis frame, and between the two ends of the Z-axis adjusting screw and the Z-axis support.
9. The CRTS iii-type slab ballastless track slab fine adjustment support of claim 1, wherein the track slab connection block is hinged with the Z-axis support through a step pin, one end of the step pin is provided with a pin hole, and a cotter pin for preventing the step pin from falling out is inserted into the pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321528853.3U CN220099546U (en) | 2023-06-15 | 2023-06-15 | CRTS III type slab ballastless track slab fine adjustment support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321528853.3U CN220099546U (en) | 2023-06-15 | 2023-06-15 | CRTS III type slab ballastless track slab fine adjustment support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220099546U true CN220099546U (en) | 2023-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321528853.3U Active CN220099546U (en) | 2023-06-15 | 2023-06-15 | CRTS III type slab ballastless track slab fine adjustment support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220099546U (en) |
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2023
- 2023-06-15 CN CN202321528853.3U patent/CN220099546U/en active Active
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