CN219404039U - Positioning device for maintaining railway locomotive wheelset - Google Patents
Positioning device for maintaining railway locomotive wheelset Download PDFInfo
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- CN219404039U CN219404039U CN202320650122.XU CN202320650122U CN219404039U CN 219404039 U CN219404039 U CN 219404039U CN 202320650122 U CN202320650122 U CN 202320650122U CN 219404039 U CN219404039 U CN 219404039U
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- positioning
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- lifting
- maintenance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The utility model relates to a positioning device for railway locomotive wheelset maintenance, which relates to the technical field of railway locomotive maintenance and comprises a support frame, wherein a group of support seats are fixedly arranged on the support frame, support grooves are formed in the support seats, bases are fixedly arranged on end walls at two ends of the support frame, lifting hydraulic cylinders are fixedly arranged on the bases, lifting seats are fixedly arranged on output shafts of the lifting hydraulic cylinders, a group of positioning seats are symmetrically arranged on the lifting seats, and laminating grooves are formed in opposite faces of the positioning seats. The application has the effects of reducing the labor cost of replacing the bearing by the wheel set and improving the maintenance efficiency of the wheel set.
Description
Technical Field
The utility model relates to the technical field of railway locomotive maintenance, in particular to a positioning device for railway locomotive wheelset maintenance.
Background
The locomotive wheel pair is a part of the locomotive, which is contacted with the steel rail, and consists of a left wheel and a right wheel firmly pressed on the same axle, and the locomotive wheel pair is usually required to be stably placed and then replaced when the locomotive wheel pair is replaced.
The related art is designed with the China patent with the authorized bulletin number of CN217020063U to provide a locomotive wheelset positioning device, which comprises a base, wherein a bidirectional driving element is arranged on the base, ejector rods are arranged at two ends of the bidirectional driving element, and a positioning block is arranged at one end, far away from the bidirectional driving element, of the ejector rods. After wheels of the wheel set roll between the positioning blocks, the bidirectional driving element enables the ejector rod to move, and the ejector rod drives the positioning blocks to rotate upwards around the pins, so that the positioning blocks position the wheel set, and then bearings of the wheel set are replaced.
In carrying out the present application, the inventors have found that at least the following problems exist in this technology: after the bearing is changed, whether the bearing is installed qualified or not needs to be detected by using the running-in machine, and because the wheels of the wheel set are mutually attached to the positioning blocks, a special lifting mechanism is needed to lift the wheel set, so that the wheel set is in a suspended state and is convenient for the running-in machine to rotate, but because the wheel set is large in size and heavy in mass, the wheel set needs to be lifted on the lifting equipment by using lifting equipment, so that the wheel set needs to be matched by a plurality of people for bearing replacement, and the labor cost is increased.
Disclosure of Invention
In order to reduce the labor cost of replacing bearings by wheel sets and improve the maintenance efficiency of the wheel sets, the application provides a positioning device for maintaining the wheel sets of railway locomotives
The application provides a positioner is used in maintenance of railway locomotive wheelset adopts following technical scheme:
the utility model provides a positioner is used in maintenance of railway locomotive wheelset, includes the support frame, fixed a set of supporting seat that sets up on the support frame, set up the supporting slot on the supporting seat, all fixed the setting base on the support frame both ends end wall, fixed the setting lift pneumatic cylinder on the base, fixed the setting lift seat on the output shaft of lift pneumatic cylinder, the symmetry sets up a set of positioning seat on the lift seat, set up the laminating groove on the positioning seat opposite face.
Through adopting above-mentioned technical scheme, start the lift pneumatic cylinder, make the lift pneumatic cylinder drive the lift seat and upwards move, the lift seat drives the locating seat and upwards moves, make the locating seat be higher than the supporting seat, place the wheel of wheel pair between the locating seat, then slide the locating seat and make the wheel of wheel pair fix in laminating inslot, then change the bearing of wheel pair, after the bearing is changed, the lift pneumatic cylinder drives the lift seat and moves down, the lift seat drives the locating seat and moves down, make the axletree card of wheel pair establish in the supporting inslot, and make the wheel of wheel pair and laminating inslot separate, and then make the wheel of wheel pair unsettled, be convenient for running-in machine drive wheel pair rotate, reach the effect that reduces the wheel pair and change the bearing human cost, improve wheel pair maintenance efficiency.
Preferably, the base is fixedly provided with a plurality of auxiliary hydraulic cylinders, and an output shaft of each auxiliary hydraulic cylinder is fixedly connected with the bottom wall of the lifting seat.
Through adopting above-mentioned technical scheme, lift pneumatic cylinder and supplementary pneumatic cylinder synchronous motion, and then reach the wheel pair on the lifting seat and carry out stable support.
Preferably, the lifting seat is provided with a transverse adjusting groove, the transverse adjusting groove is rotationally provided with a transverse screw rod, the transverse adjusting groove is internally sliding and provided with a transverse adjusting seat, the transverse adjusting seat is in threaded connection with the transverse screw rod, and the positioning seat is slidingly arranged on the transverse adjusting seat.
Through adopting above-mentioned technical scheme, when the wheel pair is located the positioning seat top, rotate horizontal lead screw, horizontal lead screw drives horizontal adjustment seat and slides, and horizontal adjustment seat slides and drives the positioning seat and slide, makes the positioning seat be located the wheel pair under.
Preferably, the transverse adjusting seat is provided with a driving groove, a double-output-rod hydraulic cylinder is fixedly arranged in the driving groove, an output shaft of the double-output-rod hydraulic cylinder is rotatably provided with a driving arm, the driving arm is provided with a connecting groove, a driving block is slidably arranged in the connecting groove, and the driving block is fixedly connected with the positioning seat.
Through adopting above-mentioned technical scheme, when the wheel pair wheel is located between the positioning seat, start two pole pneumatic cylinders, two pole pneumatic cylinders drive the actuating arm and remove, and the actuating arm drives the positioning seat and rotates, makes laminating groove and the wheel pair wheel on the positioning seat support each other tightly.
Preferably, a positioning cylinder is fixedly arranged on the lifting seat, a positioning block is fixedly arranged on an output shaft of the positioning cylinder, and a positioning groove is formed in the positioning block.
Through adopting above-mentioned technical scheme, when placing the wheelset hoist and mount between the positioning seat, at first start the location cylinder, the location cylinder drives the locating piece and upwards moves, makes the axletree of wheelset place in the constant head tank earlier, and then makes the position of wheelset carry out preliminary location, then the location cylinder drives the wheelset and moves down, makes the wheelset be located between the positioning seat and supports the wheelset, and the staff of being convenient for adjusts the positioning seat according to the wheelset position.
Preferably, the positioning groove and the attaching groove are internally and fixedly provided with rubber layers.
Through adopting above-mentioned technical scheme, the frictional force between constant head tank inner rubber layer increase wheel pair axletree and the constant head tank, the frictional force between wheel pair wheel and the laminating groove is increased to the rubber layer in the laminating groove, and then reduces the condition that the wheel pair removed when changing the bearing.
Preferably, a plurality of auxiliary grooves are formed in the inner wall of the supporting groove, and auxiliary wheels are rotatably arranged in the auxiliary grooves.
Through adopting above-mentioned technical scheme, when the axletree card of lifting seat downwardly moving messenger wheel pair was established in the supporting groove, the axletree of wheel pair was laminated each other with the auxiliary wheel in the auxiliary tank, when running-in machine driven wheel pair rotated, the auxiliary wheel reduced the frictional force between wheel pair and the supporting groove, the wheel pair of being convenient for rotated.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the wheel pair maintenance efficiency is improved by arranging the supporting frame, the supporting seat, the supporting groove, the base, the lifting hydraulic cylinder, the lifting seat, the positioning seat and the attaching groove, so that the labor cost for replacing the bearing of the wheel pair is reduced;
2. the positioning seat is positioned right below the wheel set wheels by arranging the transverse adjusting groove, the transverse screw rod and the transverse adjusting seat;
3. through setting up drive slot, two pole pneumatic cylinders, actuating arm, spread groove and drive block, make laminating groove and the laminating of wheel pair wheel on the positioning seat.
Drawings
Fig. 1 is a schematic structural view of a positioning device for repairing a railway locomotive wheelset according to an embodiment of the present application.
Fig. 2 is a cross-sectional view showing the positional relationship of the lift cylinder and the auxiliary cylinder in the embodiment of the present application.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a cross-sectional view of a railroad locomotive wheelset maintenance positioning device in an embodiment of the present application.
Fig. 5 is an enlarged view of a portion B in fig. 4.
Fig. 6 is an enlarged view of a portion C in fig. 4.
Reference numerals illustrate: 1. a support frame; 11. a base; 2. a support base; 21. a support groove; 3. a lifting seat; 31. a lifting hydraulic cylinder; 32. an auxiliary hydraulic cylinder; 4. a positioning seat; 41. a bonding groove; 42. a double-rod hydraulic cylinder; 5. a transverse adjusting seat; 51. a transverse adjustment groove; 52. a transverse screw rod; 6. a driving groove; 61. a driving arm; 611. a connecting groove; 612. a driving block; 7. positioning a cylinder; 71. a positioning block; 72. a positioning groove; 8. a rubber layer; 9. an auxiliary wheel; 91. an auxiliary groove.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-6.
The embodiment of the application discloses positioner for railway locomotive wheelset maintenance references fig. 1 and 2, and it includes support frame 1, and a set of supporting seat 2 of symmetry installation on the support frame 1 sets up supporting groove 21 on the supporting seat 2. The two end walls of the supporting frame 1 are welded with the base 11, the base 11 is provided with the lifting hydraulic cylinder 31 and a group of auxiliary hydraulic cylinders 32, the output shaft of the lifting hydraulic cylinder 31 is provided with the lifting seat 3, and the output shaft of the auxiliary hydraulic cylinder 32 is welded with the bottom wall of the lifting seat 3. A group of positioning seats 4 are symmetrically arranged on the lifting seat 3, and laminating grooves 41 are formed on opposite surfaces of the positioning seats 4. The lifting hydraulic cylinder 31 and the auxiliary hydraulic cylinder 32 are started, the lifting hydraulic cylinder 31 and the auxiliary hydraulic cylinder 32 synchronously drive the lifting seat 3 to move upwards, and the lifting seat 3 drives the positioning seat 4 to move upwards, so that the positioning seat 4 is higher than the supporting seat 2. Then, the wheels of the wheel set are placed between the positioning seats 4, and the positioning seats 4 are moved to fix the wheels of the wheel set in the fitting grooves 41, so that the bearings of the wheel set are replaced. When the bearing is replaced, the lifting hydraulic cylinder 31 and the auxiliary hydraulic cylinder 32 drive the lifting seat 3 to synchronously move downwards, and the lifting seat 3 drives the positioning seat 4 to move downwards, so that the axle of the wheel set is clamped in the supporting groove 21, and the wheels of the wheel set are separated from the attaching groove 41. And then the wheel of messenger's wheelset is unsettled, and the running-in machine drive wheel pair of being convenient for is rotatory, reaches the effect that reduces the wheelset and changes the cost of labor, improves wheelset maintenance efficiency.
In order to attach the attaching groove 41 on the positioning seat 4 to the wheel set wheel, referring to fig. 4 and 5, the lifting seat 3 is provided with a lateral adjustment groove 51, and the lateral adjustment groove 51 is rotatably provided with a lateral screw rod 52. The transverse adjusting groove 51 is slidably provided with a transverse adjusting seat 5, and the transverse adjusting seat 5 is in threaded connection with a transverse screw rod 52. The transverse adjusting seat 5 is provided with a driving groove 6, and a double-rod hydraulic cylinder 42 is arranged in the driving groove 6. The driving arm 61 is rotatably arranged on the output shaft of the double-rod hydraulic cylinder 42, the driving arm 61 is provided with a connecting groove 611, a driving block 612 is slidably arranged in the connecting groove 611, and the driving block 612 is welded with the positioning seat 4. When the wheel set is positioned above the positioning seat 4, the transverse screw rod 52 is rotated, the transverse screw rod 52 drives the transverse adjusting seat 5 to slide, and the transverse adjusting seat 5 slides to drive the positioning seat 4 to slide, so that the positioning seat 4 is positioned right below the wheel set. Then, the double-rod hydraulic cylinder 42 is started, the double-rod hydraulic cylinder 42 drives the driving arm 61 to move, and the driving arm 61 drives the positioning seat 4 to rotate, so that the attaching groove 41 on the positioning seat 4 and the wheel pair wheels are mutually abutted.
In order to facilitate the operator to adjust the positioning block 71 according to the wheel position, referring to fig. 1 to 3, the lifting seat 33 is provided with a positioning cylinder 7, the output shaft of the positioning cylinder 77 is welded with the positioning block 71, and the positioning block 71 is provided with a positioning groove 72. When the wheel set is hoisted and placed between the positioning seats 4, the positioning cylinder 7 is started first, and the positioning cylinder 7 drives the positioning block 71 to move upwards, so that the axle of the wheel set is placed in the positioning groove 72 first, and then the position of the wheel set is initially positioned. Then the positioning cylinder 7 drives the wheel pair to move downwards, so that the wheel pair is positioned between the positioning seats 4 and supports the wheel pair, and the positioning seats 4 are convenient for workers to adjust according to the wheel positions.
In order to reduce the movement of the wheel set during bearing replacement, referring to fig. 3 and 5, rubber layers 8 are adhered to the inside of both the positioning groove 72 and the adhering groove 41. The rubber layer 8 in the positioning groove 72 increases the friction between the axle of the wheel set and the positioning groove 72, and the rubber layer 8 in the attaching groove 41 increases the friction between the wheel set wheel and the attaching groove 41, so that the wheel set is not easy to move.
In order to facilitate the running-in wheel set to rotate, referring to fig. 3 and 6, a plurality of auxiliary grooves 91 are formed on the inner wall of the supporting groove 21, and the auxiliary wheels 9 are rotatably disposed in the auxiliary grooves 91. When the axle of the wheel set is clamped in the supporting groove 21, the auxiliary wheel 9 reduces the friction force between the wheel set and the supporting groove 21, and is convenient for the running-in machine to drive the wheel set to rotate.
The implementation principle of the positioning device for maintaining the railway locomotive wheelset provided by the embodiment of the application is as follows: the lifting hydraulic cylinder 31 and the auxiliary hydraulic cylinder 32 are started, the lifting hydraulic cylinder 31 and the auxiliary hydraulic cylinder 32 synchronously drive the lifting seat 3 to move upwards, and the lifting seat 3 drives the positioning seat 4 to move upwards, so that the positioning seat 4 is higher than the supporting seat 2. The positioning cylinder 7 drives the positioning block 71 to move upwards, so that the axle of the wheel set is firstly placed in the positioning groove 72, and the position of the wheel set is initially positioned; then the positioning cylinder 7 drives the wheel set to move downwards, so that the wheel set is positioned above the positioning seat 4 to support the wheel set. The transverse screw rod 52 is rotated after the wheel set is positioned above the positioning seat 4 to enable the positioning seat 4 to be positioned right below the wheel set, and then the double-rod hydraulic cylinder 42 is started to enable the fitting groove 41 on the positioning seat 4 to be mutually abutted with the wheels of the wheel set, so that the bearings of the wheel set are replaced. When the bearing is replaced, the lifting hydraulic cylinder 31 and the auxiliary hydraulic cylinder 32 drive the lifting seat 3 to synchronously move downwards, and the lifting seat 3 drives the positioning seat 4 to move downwards, so that the axle of the wheel set is clamped in the supporting groove 21, and the wheels of the wheel set are separated from the attaching groove 41. And then the wheel of messenger's wheelset is unsettled, and the running-in machine drive wheel pair of being convenient for is rotatory, reaches the effect that reduces the wheelset and changes the cost of labor, improves wheelset maintenance efficiency.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (7)
1. The utility model provides a positioner is used in maintenance of railway locomotive wheelset, includes support frame (1), its characterized in that: the support frame (1) is fixedly provided with a group of supporting seats (2), supporting grooves (21) are formed in the supporting seats (2), bases (11) are fixedly arranged on end walls of two ends of the support frame (1), lifting hydraulic cylinders (31) are fixedly arranged on the bases (11), lifting seats (3) are fixedly arranged on output shafts of the lifting hydraulic cylinders (31), a group of positioning seats (4) are symmetrically arranged on the lifting seats (3), and attaching grooves (41) are formed in opposite surfaces of the positioning seats (4).
2. The positioning device for maintenance of a railway locomotive wheelset according to claim 1, wherein: the lifting device is characterized in that a plurality of auxiliary hydraulic cylinders (32) are fixedly arranged on the base (11), and an output shaft of each auxiliary hydraulic cylinder (32) is fixedly connected with the bottom wall of the lifting seat (3).
3. The positioning device for maintenance of a railway locomotive wheelset according to claim 1, wherein: the lifting seat (3) is provided with a transverse adjusting groove (51), the transverse adjusting groove (51) is rotationally provided with a transverse screw rod (52), the transverse adjusting groove (51) is internally slid to be provided with a transverse adjusting seat (5), the transverse adjusting seat (5) is in threaded connection with the transverse screw rod (52), and the positioning seat (4) is slidably arranged on the transverse adjusting seat (5).
4. A railroad locomotive wheelset maintenance positioning apparatus as set forth in claim 3 wherein: the automatic positioning device is characterized in that a driving groove (6) is formed in the transverse adjusting seat (5), a double-rod hydraulic cylinder (42) is fixedly arranged in the driving groove (6), a driving arm (61) is rotatably arranged on an output shaft of the double-rod hydraulic cylinder (42), a connecting groove (611) is formed in the driving arm (61), a driving block (612) is slidably arranged in the connecting groove (611), and the driving block (612) is fixedly connected with the positioning seat (4).
5. The positioning device for maintenance of a railway locomotive wheelset according to claim 1, wherein: the lifting seat (3) is fixedly provided with a positioning cylinder (7), an output shaft of the positioning cylinder (7) is fixedly provided with a positioning block (71), and the positioning block (71) is provided with a positioning groove (72).
6. The positioning device for maintenance of a railway locomotive wheelset according to claim 5, wherein: a rubber layer (8) is fixedly arranged in each of the positioning groove (72) and the attaching groove (41).
7. The positioning device for maintenance of a railway locomotive wheelset according to claim 1, wherein: a plurality of auxiliary grooves (91) are formed in the inner wall of the supporting groove (21), and auxiliary wheels (9) are rotationally arranged in the auxiliary grooves (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320650122.XU CN219404039U (en) | 2023-03-29 | 2023-03-29 | Positioning device for maintaining railway locomotive wheelset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320650122.XU CN219404039U (en) | 2023-03-29 | 2023-03-29 | Positioning device for maintaining railway locomotive wheelset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219404039U true CN219404039U (en) | 2023-07-25 |
Family
ID=87206578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320650122.XU Active CN219404039U (en) | 2023-03-29 | 2023-03-29 | Positioning device for maintaining railway locomotive wheelset |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219404039U (en) |
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2023
- 2023-03-29 CN CN202320650122.XU patent/CN219404039U/en active Active
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