Guide mechanism for rail running carrying equipment

Abstract

The utility model discloses a guide mechanism for rail running carrying equipment. The guide mechanism comprises a fixed plate, a mounting seat, a rotating shaft, a first guide bearing and a second guide bearing, the fixing plates are arranged on the two sides of the wheel respectively, a round hole is formed in one end of each fixing plate, a bearing seat is arranged in each hole, the wheel shaft is connected into the bearing seats through bearings, and a plurality of connecting holes are formed in the other end of each fixing plate. The mounting base is fixed on the connecting hole of the fixing plate and is of a square column structure, a through hole is formed in the middle of the mounting base in the axial direction of the mounting base, and an internal thread is arranged at the upper end of the interior of the through hole; the rotating shaft is mounted in the through hole in the mounting seat and comprises a main shaft, and an eccentric shaft is arranged at the bottom end of the main shaft; and the first guide bearing is sleeved on the eccentric shaft on one side of the wheel. The two bearings are arranged on the track, so that the track is just clamped between the two bearings, a guiding effect is provided for the wheels, the wheels are always kept in contact with the track, and the carrying equipment can stably advance along the track when running on the tracks with different sizes.

Description

Technical Field

[0001] The embodiments of the utility model belong to the technical field of rail travel guide technology, and more specifically, relate to a guide mechanism for rail travel carrying equipment. Background Art

[0002] During advanced maintenance work on high-speed trains, numerous devices are required to transport materials along various tracks. Some of these operations, such as automated frame stripping and cleaning, component cleaning, and wheel set stripping and cleaning, require precise control of the material's position. Existing tracks include both standard and non-standard rails, and the dimensional deviations caused by installation and wear between these two types of rails necessitate guide mechanisms that require both precise guidance and easy adjustment to accommodate various track sizes. Consequently, existing transport carts, whether with or without wheel flanges, lack precise guidance perpendicular to the track, making these operations challenging.

[0003] Chinese patent publication number CN106139599 discloses a guide device for a rail-mounted power supply vehicle, comprising a front guide bearing group, a rear guide bearing group, and a connecting frame connected between the front and rear guide bearing groups. The front and rear guide bearing groups each include two power supply guide bearings, two power supply fixed wheels, and a power supply support wheel. The power supply support wheel is supported on the upper end surface of an I-shaped rail. The two power supply guide bearings are horizontally arranged at the waist of the I-shaped rail, and the gap between the two power supply guide bearings is slightly larger than the width of the waist of the I-shaped rail. The two power supply fixed wheels are vertically arranged at the lower part of the upper end surface of the I-shaped rail. The power supply vehicle is provided with an independently movable power supply guide device, which tightly limits the movement trajectory of the power supply vehicle to the load-bearing rail.

[0004] However, the Chinese patent application number CN106139599 cannot adapt to different track sizes to achieve precise control of the guidance. Therefore, a need exists for a guidance mechanism for rail-based vehicles that provides convenient adjustment capabilities while ensuring precise control on the track. Utility Model Content

[0005] To address the aforementioned deficiencies or improvements in the prior art, the present invention provides a guide mechanism for rail-travel vehicles. By rotating the shafts on either side of the wheel according to the width of the track, the spacing between the first and second guide bearings is adjusted so that the two bearings precisely sandwich the track. This provides guidance for the wheel and ensures constant contact between the wheel and track, allowing the vehicle to travel stably along the track when traveling on tracks of varying sizes.

[0006] In order to achieve the above-mentioned object, an embodiment of the present utility model provides a guide mechanism for a rail-travel vehicle, comprising: a fixing plate, a mounting seat, a rotating shaft, a first guide bearing, and a second guide bearing;

[0007] The fixing plate is provided on each side of the wheel, with a circular hole at one end and a bearing seat in the hole. The wheel axle is connected to the bearing seat through a bearing, and a plurality of connecting holes are provided at the other end.

[0008] The mounting seat is fixed to the connection hole of the fixing plate and is a square column structure. A through hole is provided in the middle of the mounting seat along its axial direction, and an internal thread is provided at the upper end of the through hole.

[0009] The rotating shaft is installed in the through hole on the mounting seat, and includes a main shaft, and an eccentric shaft is provided at the bottom end of the main shaft;

[0010] The first guide bearing is sleeved on the eccentric shaft on one side of the wheel, and the second guide bearing is sleeved on the eccentric shaft on the other side of the wheel, providing guidance for the wheel and ensuring that the wheel always maintains contact with the track.

[0011] Furthermore, the main shaft is a cylindrical shaft, the diameter of which is the same as the diameter of the through hole on the mounting seat, and an external thread is provided on the upper end, which is connected to the internal thread on the upper end of the through hole on the mounting seat through the thread.

[0012] Furthermore, an adjustment disk is provided between the eccentric shaft and the main shaft;

[0013] The adjusting disk is a disc-shaped structure, fixedly connected to the end of the main shaft without threads, and is concentrically arranged with the main shaft.

[0014] Furthermore, the eccentric shaft is a cylindrical shaft with a diameter and length smaller than the main shaft. Its top surface is fixed to the bottom surface of the adjustment disk and close to the edge of the adjustment disk. A shallow groove is opened downward at its bottom end as an anti-loosening groove, and a threaded hole is opened in the anti-loosening groove.

[0015] Furthermore, the end of the main shaft provided with threads is also provided with a square shaft;

[0016] The square shaft is arranged at one end of the main shaft with an external thread and is fixedly connected to the end face. Its cross-section is square, and an adjustment hole is also opened on the top of the square shaft. The adjustment hole is plum blossom-shaped, cross-shaped, straight-line-shaped, square or hexagonal.

[0017] Furthermore, an anti-loosening block is provided in the anti-loosening slot of the eccentric shaft;

[0018] The anti-loosening block is a limiting plate with the same width as the anti-loosening slot. Its two ends extend out of the anti-loosening slot, and a countersunk through hole is opened in the middle, which is fixed in the anti-loosening slot by screws.

[0019] Furthermore, a mounting pad is provided between the fixing plate and the mounting seat;

[0020] The thickness of the mounting pad is set to be various. When facing wheels or tracks of different sizes, mounting pads of different thicknesses are selected to adjust the distance between the mounting seats on both sides.

[0021] Furthermore, the first guide bearing and the second guide bearing are both cylindrical roller bearings;

[0022] The two guide bearings are of the same model, and the corresponding bearings are determined by tracks of different sizes. The two guide bearings are respectively connected to the eccentric shafts on both sides of the wheel.

[0023] Furthermore, a shaft sleeve is provided between the first guide bearing, the second guide bearing and the adjustment plate, and the thickness of the shaft sleeve is less than or equal to the thickness of the inner rings of the two guide bearings.

[0024] Furthermore, one end of the main shaft with an external thread passes upward from the bottom of the mounting seat along the through hole, so that the main shaft is connected with the internal thread of the through hole through the external thread at its upper end and then passes through the through hole.

[0025] In general, the above technical solutions conceived by the present invention can achieve the following beneficial effects compared with the prior art:

[0026] 1. The present invention relates to a guide mechanism for a rail-travel vehicle. By rotating the shafts on either side of the wheel according to the width of the track, the spacing between the first and second guide bearings is adjusted so that the two bearings exactly sandwich the track. This provides guidance for the wheel and ensures that the wheel and track remain in contact at all times, allowing the vehicle to travel stably along the track when traveling on tracks of different sizes.

[0027] 2. The present invention provides a guide mechanism for rail-travel vehicles, wherein the thickness of the mounting pads is set to be various. When facing wheels or tracks of different sizes, mounting pads of different thicknesses are selected to adjust the distance between the mounting seats on both sides and perform a coarse adjustment on the guide spacing to initially enable the wheel to remain in the center position of the track.

[0028] 3. The utility model is a guide mechanism for rail-travel transport equipment. Both ends of the first guide bearing and the second guide bearing are provided with shaft sleeves and anti-loosening blocks to limit the two guide bearings to prevent the first guide bearing or the second guide bearing from falling off during the movement of the trolley, causing the guide mechanism to fail.

[0029] 4. The utility model is a guide mechanism for a rail-travel vehicle. A corresponding wrench or screwdriver is used to apply torque to the opposite shaft to rotate the rotating shaft to change the distance between the first guide bearing and the second guide bearing. The gap between the two guide bearings meets the width requirements of the track, and the two guide bearings are adjusted simultaneously through the main shafts on both sides of the wheel to improve the accuracy of the gap adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the installation of a guide mechanism for a rail-travel vehicle according to an embodiment of the present utility model;

[0031] Figure 2 This is a structural schematic diagram of a guide mechanism for a rail-travel vehicle according to an embodiment of the present utility model;

[0032] Figure 3 This is a schematic diagram of the connection between a rotating shaft and a guide bearing of a guide mechanism for a rail-travel vehicle according to an embodiment of the present utility model;

[0033] Figure 4 The present invention is a schematic diagram of a rotating shaft structure of a guide mechanism for a rail-travel transport device according to an embodiment of the present invention.

[0034] In all the drawings, the same reference numerals represent the same technical features, specifically: 1-fixed plate, 2-mounting pad, 3-mounting seat, 4-rotating shaft, 401-main shaft, 402-square shaft, 403-adjusting disk, 404-eccentric shaft, 405-anti-loosening block, 5-first guide bearing, 6-second guide bearing. DETAILED DESCRIPTION

[0035] In order to make the purpose, 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 only intended to explain the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

[0036] like Figure 1 、 2As shown, an embodiment of the present invention provides a guide mechanism for a rail-travel vehicle, comprising a fixing plate 1 disposed on either side of a wheel, a mounting seat 3 connected to one end of the fixing plate 1, a mounting pad 2 disposed between the fixing plate 1 and the mounting seat 3, a rotating shaft 4 disposed on the mounting seat 3, and a first guide bearing 5 and a second guide bearing 6 disposed at the bottom of the rotating shaft 4. By rotating the rotating shaft 4 on either side of the wheel according to the width of the track, the spacing between the first guide bearing 5 and the second guide bearing 6 is adjusted so that the two bearings precisely sandwich the track, providing guidance for the wheel and ensuring constant contact between the wheel and the track, allowing the vehicle to travel stably along the track when traveling on tracks of different sizes.

[0037] A fixed plate 1 is installed on each side of the wheel. One end of each plate has a circular hole housing a bearing seat, into which the wheel axle is connected via a bearing. The other end of each plate has multiple connection holes, positioned to avoid the wheel between the two plates. The top of each plate 1 is connected to the bottom plate of the trolley, ensuring that it does not rotate around the wheel axle during operation, causing the components mounted on it to shift position and affect the steering effect.

[0038] The mounting seat 3 is fixed to the connecting hole of the fixing plate 1, and the mounting seats 3 on both sides are arranged on the inner sides of the two fixing plates 1. The mounting seat 3 is a square column structure, and a plurality of threaded holes are provided on one side thereof. The threaded holes correspond to the positions of the connecting holes of the fixing plate 1, and the two edges on the other side opposite to the surface are chamfered. A through hole is provided in the middle of the mounting seat 3 along its axial direction to connect the upper and lower ends of the mounting seat 3, and the upper end of the through hole is provided with an internal thread. The fixing plate 1 and the mounting seat 3 are connected by the mounting pad 2. The thickness of the mounting pad 2 is set to a variety. When facing wheels or tracks of different sizes, mounting pads 2 of different thicknesses are selected to adjust the distance between the mounting seats 3 on both sides, and the spacing of the guides is roughly adjusted to initially enable the wheels to remain in the center position of the track.

[0039] like Figure 3 、 4As shown, the rotating shaft 4 is installed in the through-hole on the mounting base 3 and includes a main shaft 401, a square shaft 402, an adjustment disk 403, and an eccentric shaft 404. The main shaft 401 is a cylindrical shaft with the same diameter as the through-hole on the mounting base 3. The upper end is provided with an external thread, which is threadedly connected to the internal thread at the upper end of the through-hole on the mounting base 3. The square shaft 402 is provided at the end of the main shaft 401 provided with the external thread and is fixedly connected to the end face. Its cross-section is square, and the top of the square shaft 402 also has an adjustment hole, which is in the shape of a plum blossom, a cross, a straight line, a square, or a hexagon. The adjustment disk 403 is a disc-shaped structure, fixedly connected to the end of the main shaft 401 without the thread, and is concentric with the main shaft 401. The eccentric shaft 404 is a cylindrical shaft with a diameter and length smaller than the main shaft 401. Its top surface is fixed to the bottom surface of the adjustment disk 403 and close to the edge of the adjustment disk 403. A shallow groove is opened downward at its bottom end as an anti-loosening slot, and a threaded hole is opened in the anti-loosening slot.

[0040] A first guide bearing 5 is mounted on the eccentric shaft 404 on one side of the wheel, while a second guide bearing 6 is mounted on the eccentric shaft 404 on the other side. Both the first and second guide bearings 5 ​​and 6 are cylindrical roller bearings of the same model, though different models can be selected to accommodate different track sizes. They are connected to the eccentric shaft 404 on either side of the wheel. Bushings are positioned between the first and second guide bearings 5 ​​and 6 and the adjustment disk 403. These bushings are thicker than or equal to the thickness of the inner rings of the two guide bearings to prevent friction with the adjustment disk 403, which could cause the two guide bearings to rotate unsmoothly. Both the first and second guide bearings 5 ​​and 6 rotate freely on the eccentric shaft 404. Rotation of the main shaft 401 causes the central axis of the eccentric shaft 404 to shift, thereby changing the gap between the first and second guide bearings 5 ​​and 6.

[0041] The anti-loosening slot of the eccentric shaft 404 is also equipped with an anti-loosening block 405. This anti-loosening block 405 is a stopper plate with the same width as the slot. Its two ends extend outside the slot and a countersunk hole is located in the middle, which is fixed to the slot with screws. The anti-loosening block 405 and the sleeve sandwich the first and second guide bearings 5 ​​and 6, respectively, to prevent them from falling off during the movement of the trolley, thereby causing the guide mechanism to fail.

[0042] Preferably, the externally threaded end of the spindle 401 extends upward through the through-hole at the bottom of the mounting seat 3, allowing the spindle 401 to connect with the internal threads of the through-hole via its upper external threads and then exit through the through-hole, thereby ensuring that the rotating shaft 4 does not fall out of the mounting seat 3 while remaining rotatable. A torque is applied to the square shaft 402 using a corresponding wrench or screwdriver to rotate the rotating shaft 4, thereby changing the distance between the first guide bearing 5 and the second guide bearing 6. The gap between the two guide bearings meets the track width requirements. The two guide bearings are simultaneously adjusted through the spindles 401 on both sides of the wheel to improve the accuracy of the gap adjustment.

[0043] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A guide mechanism for a rail-travel vehicle, characterized in that: include: A fixed plate (1), a mounting seat (3), a rotating shaft (4), a first guide bearing (5), and a second guide bearing (6); The fixing plate (1) is provided on each side of the wheel, with a circular hole at one end, a bearing seat provided in the hole, the wheel axle is connected to the bearing seat via a bearing, and a plurality of connection holes are provided at the other end; The mounting seat (3) is fixed on the connection hole of the fixing plate (1) and is a square column structure. A through hole is provided in the middle of the mounting seat (3) along its axial direction, and an internal thread is provided at the upper end of the through hole. The rotating shaft (4) is installed in the through hole on the mounting seat (3), and includes a main shaft (401). The bottom end of the main shaft (401) is provided with an eccentric shaft (404); The first guide bearing (5) is sleeved on the eccentric shaft (404) on one side of the wheel, and the second guide bearing (6) is sleeved on the eccentric shaft (404) on the other side of the wheel, providing a guiding function for the wheel and ensuring that the wheel always maintains contact with the track; An adjustment disk (403) is further provided between the eccentric shaft (404) and the main shaft (401); The adjustment disk (403) is a disc-shaped structure, fixedly connected to the end of the main shaft (401) that is not provided with threads, and is concentrically arranged with the main shaft (401); The eccentric shaft (404) is a cylindrical shaft with a diameter and length smaller than the main shaft (401), and its top surface is fixed to the bottom surface of the adjustment disk (403) and close to the edge of the adjustment disk (403). A shallow groove is opened downward at its bottom end as an anti-loosening slot, and a threaded hole is opened in the anti-loosening slot. The main shaft (401) is provided with a square shaft (402) at one end provided with a thread; The square shaft (402) is provided at one end of the main shaft (401) provided with an external thread and is fixedly connected to the end face. Its cross section is square, and an adjustment hole is also provided at the top of the square shaft (402). The adjustment hole is in the shape of a plum blossom, a cross, a straight line, a square or a hexagon. An anti-loosening block (405) is further provided in the anti-loosening slot of the eccentric shaft (404); The anti-loosening block (405) is a limit plate with the same width as the anti-loosening slot, with both ends extending out of the anti-loosening slot and a countersunk through hole in the middle for being fixed in the anti-loosening slot by screws; The first guide bearing (5) and the second guide bearing (6) are both cylindrical roller bearings; The two guide bearings are of the same model, and the corresponding bearings are determined by tracks of different sizes, and the two guide bearings are respectively connected to the eccentric shafts (404) on both sides of the wheel; A shaft sleeve is further provided between the first guide bearing (5), the second guide bearing (6) and the adjustment disk (403), and the thickness of the shaft sleeve is less than or equal to the thickness of the inner rings of the two guide bearings; The anti-loosening block (405) and the shaft sleeve clamp the first guide bearing (5) and the second guide bearing (6) in the middle to limit their positions.

2. A guide mechanism for a rail-travel vehicle according to claim 1, characterized in that: The main shaft (401) is a cylindrical shaft having the same diameter as the diameter of the through hole on the mounting seat (3). An external thread is provided on the upper end thereof, and the thread is connected to the internal thread on the upper end of the through hole on the mounting seat (3).

3. A guide mechanism for a rail-travel vehicle according to claim 1 or 2, characterized in that: A mounting pad (2) is further provided between the fixing plate (1) and the mounting seat (3); The thickness of the mounting pad (2) is set to be various. When facing wheels or tracks of different sizes, mounting pads (2) of different thicknesses are selected to adjust the distance between the mounting seats (3) on both sides.

4. A guide mechanism for a rail-travel vehicle according to claim 1 or 2, characterized in that: One end of the main shaft (401) with an external thread passes upward along the through hole from the bottom of the mounting seat (3), so that the main shaft (401) is connected with the internal thread of the through hole through the external thread at its upper end and then passes through the through hole.

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