CN113954903B - Dismounting device and dismounting method for locomotive traction pin - Google Patents
Dismounting device and dismounting method for locomotive traction pin Download PDFInfo
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- CN113954903B CN113954903B CN202111444555.1A CN202111444555A CN113954903B CN 113954903 B CN113954903 B CN 113954903B CN 202111444555 A CN202111444555 A CN 202111444555A CN 113954903 B CN113954903 B CN 113954903B
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- traction pin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
- B61G7/10—Mounting of the couplings on the vehicle
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention provides a dismounting device and a dismounting method for a locomotive traction pin and a locomotive. The dismounting device for the locomotive traction pin comprises a lifting device, a fixing device and a power device. The lifting device is fixedly connected to the crank arm seat (1) and used for dragging the traction pin (2) when the traction pin (2) is loosened. The fixing device is used for fixedly connecting the traction pin (2). The power device acts on the fixing device to detach the traction pin (2). The dismounting device for the locomotive traction pin can fix the traction pin and finish the dismounting without damage. The method utilizes the designed cushion block (3) and a plurality of standard part studs (32) and M24 nuts (5) and uses a longer torque wrench or a hydraulic torque tool to screw the M24 nuts (5), so that larger axial force can be generated to realize easy disassembly of the traction pin (2). The pulling-out process of the traction pin (2) is stable, and the traction pin (2) and the crank arm seat (1) are not damaged.
Description
Technical Field
The invention relates to the field of traction pin dismounting, in particular to a dismounting device and a dismounting method for a locomotive traction pin.
Background
The HXN3 platform diesel locomotive traction device adopts a bilateral flat pull rod structure and mainly comprises two traction rods, two crank arms and a connecting rod. One end of the traction rod is connected with the vehicle body through a pin, the other end of the traction rod is connected with a crank arm, and the crank arm is fixed on the bogie frame through a pin. The connecting rod is connected with the two crank arms, so that the force transmission of the left and right traction rods is kept uniform. And maintenance-free ball bearings are arranged in connecting pin holes at two ends of the traction rod, so that the vibration displacement of the bogie relative to the vehicle body and the flexible rotation of each rod piece can be adapted. The traction device can reduce the height of a traction point of the bogie and improve the adhesion utilization rate of the locomotive.
The traction device of the locomotive is characterized in that traction pins are arranged at the crank arm and the crank arm seat of the framework, and a nylon bushing in a crank arm hole and the traction pin rotate relatively. The friction force of the sliding friction is large due to the traction force and the braking force generated when the locomotive runs, and after a period of time, the gap between the nylon bushing and the traction pin is enlarged, namely the nylon bushing or the traction pin needs to be replaced. The assembly structure of the towing pin is a non-sealing structure. All parts are in small clearance fit, and the traction pin is fixed by the fixing plate and cannot rotate. Water and gas can enter the clearance and cause the clearance to generate rust corrosion and even generate mutual rust corrosion, so that the disassembly of the traction pin is difficult.
Disclosure of Invention
The invention aims to provide a dismounting device for a locomotive traction pin, which can fix the traction pin and finish the dismounting without damage.
The invention also aims to provide a method for disassembling the locomotive traction pin.
The invention also aims to provide the locomotive.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
according to one aspect of the invention, a dismounting device for a locomotive kingpin is provided. The traction pin is arranged on the crank arm seat of the traction device. The dismounting device for the locomotive traction pin comprises a lifting device, a fixing device and a power device. And the lifting device is fixedly connected to the crank arm seat and is used for dragging the traction pin when the traction pin is loosened. The fixing device is used for fixedly connecting the traction pin. A power means acts on the securing means to remove the kingpin.
According to an embodiment of the present invention, the lifting device is a pad, and an upper portion of the pad is provided with a groove to receive an end portion of the towing pin.
According to an embodiment of the present invention, the cushion block is rectangular, and four corners of the cushion block are provided with 4 first through holes, and the cushion block is fixed to the crank arm base through 4 bolts.
According to an embodiment of the invention, the dismounting device for the locomotive traction pin further comprises four washers, and the washers are sleeved on the bolts in a one-to-one correspondence manner and are positioned between the cushion block and the crank arm seat.
According to an embodiment of the present invention, the fixing device includes a stud and a nut, the towing pin is provided with a bolt hole, the middle portion of the cushion block is provided with a second through hole, after the cushion block is fixed, the bolt hole is aligned with the second through hole, so that one end of the stud is screwed into the bolt hole through the second through hole, and the nut is screwed to the other end of the stud.
According to an embodiment of the invention, the bolt hole is a bolt hole of M24, the second through hole is a through hole of phi 26, the stud is a bolt rod of M24X60, and the nut is a nut of M24.
According to an embodiment of the invention, wherein the power means is a long torque wrench or a long hydraulic torque wrench.
A method of disassembling a locomotive kingpin, comprising:
disassembling a fixing plate arranged on the crank arm seat, and exposing four threaded holes in the crank arm seat and bolt holes of the traction pins;
fixing the lifting device at the lower end of the crank arm seat through the threaded hole;
a stud is adopted to penetrate through a second through hole of the lifting device and is screwed into a bolt hole of the traction pin;
screwing the nut to the other end of the stud;
turning the nut with a longer torque wrench or hydraulic torque tool to rotate the kingpin;
and sequentially disassembling the nut and the lifting device, and taking down the traction pin.
According to an embodiment of the present invention, a washer is sleeved on the stud bolt, so that the washer is located between the lifting device and the crank arm seat.
According to an embodiment of the invention, the lifting device is a cushion block, the upper surface of the cushion block is provided with a groove for accommodating the end part of the towing pin, and the depth of the groove is greater than the length of the towing pin extending out of the lower end of the crank arm seat.
One embodiment of the present invention has the following advantages or benefits:
the invention discloses a dismounting device for a locomotive traction pin. The lifting device is fixedly connected to the crank arm seat and used for dragging the traction pin when the traction pin is loosened. The fixing device is used for fixedly connecting the traction pin. And the power device acts on the fixing device and provides power for the fixing device so as to disassemble the fixing device and further disassemble the traction pin.
Drawings
The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
FIG. 1 is a schematic illustration of a disassembly apparatus for a locomotive kingpin, shown in accordance with an exemplary embodiment.
FIG. 2 is a block diagram illustrating a configuration of a spacer according to an exemplary embodiment.
Wherein the reference numerals are as follows:
1. a crank arm seat; 2. a tow pin; 3. cushion blocks; 31. a first through hole; 32. a bolt; 33. a second through hole; 34. a groove; 4. a stud; 5. a nut; 6. a crank arm; 7. a nylon bushing.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.
As shown in fig. 1 to 2, fig. 1 is a schematic view illustrating a disassembling device for a tow pin of a locomotive provided by the invention. Fig. 2 shows a schematic structural diagram of a spacer block 3 provided by the present invention.
The dismounting device for the locomotive traction pin comprises a lifting device, a fixing device and a power device. The lifting device is fixedly connected to the crank arm seat 1 and is used for dragging the traction pin 2 when the traction pin 2 is loosened. The fixing device is used for fixedly connecting the traction pin 2. The power means acts on the fixing means to remove the draw pin 2.
The HXN3 internal combustion locomotive traction device adopts a double-side flat pull rod structure, a traction pin 2 is arranged at a crank arm 6 and a framework crank arm seat 1 of the locomotive traction device, and a nylon bush 7 in a hole of the crank arm 6 and the traction pin 2 rotate relatively. The friction force of the sliding friction is large due to the traction force and the braking force generated when the locomotive runs, and after a period of application, the gap between the nylon bushing 7 and the traction pin 2 is enlarged, namely the nylon bushing 7 or the traction pin 2 needs to be replaced. The assembled structure of the kingpin 2 is a non-sealed structure. All parts are in small clearance fit, and the traction pin 2 is fixed by the fixing plate and cannot rotate. Water and gas can enter the gap and cause the gap to be rusted and even mutually rusted, so that the traction pin 2 is difficult to disassemble. The lifting device, the fixing device and the power device are combined for use. The towing pin 2 is rotatably removed and fixed to prevent damage to other components.
In a preferred embodiment of the invention, the lifting device is a spacer block 3, and the upper part of the spacer block 3 is provided with a groove 34 for accommodating the end of the towing pin 2. The cushion block 3 is cuboid, and four corners of the cushion block 3 are provided with 4 first through holes 31 with 13.5 phi and fixed on the crank arm seat 1 through 4 bolts 32 with M12X 65. The gasket is 4, and the suit is on bolt 32 one-to-one, and is located between cushion 3 and the connecting lever seat 1.
As shown in figures 1 and 2, a cushion block 3 is designed, and the cushion block 3 is provided with a groove 34, 4 light holes phi 13.5 and a light hole phi 26 in the middle. The groove 34 on the cushion block 3 is used for holding the loose traction pin 2 to prevent the loose traction pin from falling off, and the cushion block 3 is fixed on the crank arm seat 1 through 4M 12X65 bolts 32 and 4 gaskets. Preferably, the cushion block 3 is a cushion block in a rectangular parallelepiped shape, a groove 34 is dug in the middle of the upper surface of the cushion block, and the size of the groove 34 is matched with that of the towing pin 2 so as to conveniently support the towing pin 2 when the towing pin 2 is loosened.
In a preferred embodiment of the present invention, the fixing device comprises a stud 4 and a nut 5, the towing pin 2 is provided with a bolt hole, the middle portion of the cushion block 3 is provided with a second through hole 33, after the cushion block 3 is fixed, the bolt hole is aligned with the second through hole 33 so that one end of the stud 4 is screwed into the bolt hole through the second through hole 33, and the nut 5 is screwed to the other end of the stud 4. The bolt hole is a bolt hole of M24, the second through hole 33 is a through hole of phi 26, the stud 4 is a bolt shank of M24X60, and the nut 5 is a nut of M24.
As shown in fig. 1, the stud 4 and the nut 5 of the fixture are standard pieces. One end of the stud bolt 4 is screwed into the bolt hole of the traction pin 2 through the second through hole 33 of the cushion block 3, and the other end of the stud bolt is fixed through the nut 5, so that the traction pin 2 and the cushion block 3 are fixed together.
In a preferred embodiment of the invention, the power means is a long torque wrench or a long hydraulic torque wrench.
As shown in fig. 1, the nut 5 of M24 is tightened by a large torque wrench, generating an axial force. By means of the lever principle, a great force can be applied to the nut 5, so that the draw pin can be removed. The pulling-out process of the traction pin 2 is stable, the traction pin 2 and the crank arm seat 1 are not damaged, and the labor intensity is greatly reduced. The additional cost caused by replacing the nylon bush 7 is effectively reduced, and the loss of other locomotive parts caused by hammering by a hammer is avoided.
The dismounting device for the locomotive traction pin utilizes a cushion block 3, a stud 4 and a nut 5 of an M24, and the nut 5 of the M24 is screwed by a large torque wrench or a hydraulic torque tool to generate axial force. Can apply very big power for nut 5 through lever principle to dismantle towing pin 2, cushion 3 can guarantee that the towing pin 2 is not hard up can hold towing pin 2, does not have any potential safety hazard.
The method for disassembling the locomotive traction pin comprises the following steps: a fixing plate arranged on the crank arm seat 1 is disassembled, so that four threaded holes in the crank arm seat 1 and bolt holes in the traction pins 2 are exposed; fixing the lifting device at the lower end of the crank arm seat 1 through a threaded hole; the stud 4 is screwed into the bolt hole of the traction pin 2 through the second through hole 33 of the lifting device; screwing the nut 5 to the other end of the stud 4; the nut 5 is screwed by a long torque wrench or a hydraulic torque tool to rotate the draw pin 2; and (4) sequentially removing the nut 5 and the lifting device, and taking down the traction pin 2. The double-end stud 4 is sleeved with a gasket, so that the gasket is positioned between the lifting device and the crank arm seat 1. The lifting device is a cushion block 3, a groove 34 for accommodating the end part of the traction pin is formed in the upper surface of the cushion block 3, and the depth of the groove 34 is greater than the length of the traction pin 2 extending out of the lower end of the crank arm seat 1.
Wherein, the stud bolt 4 of M24X60 is screwed into the threaded hole of M24 of the towing pin 2; the cushion block 3 is fixedly connected to the crank arm seat 1 through 4 bolts 32 of M12X65 and 4 gaskets; screwing the nut 5 of the M24 to the stud 4 of the M24X 60; and the nut 5 of M24 is tightened by a longer torque wrench or hydraulic torque tool to remove the draw pin 2.
The method utilizes the designed cushion block 3 and the studs 4 and the nuts 5 of the M24 of some standard parts and uses a longer torque wrench or a hydraulic torque tool to screw the nuts 5 of the M24, so that larger axial force can be generated to realize easy disassembly of the traction pin 2. The pulling-out process of the traction pin 2 is stable, and the traction pin 2 and the crank arm seat 1 are not damaged.
The locomotive comprises the dismounting device for the locomotive traction pin and realizes the nondestructive dismounting of the traction pin 2 by adopting the dismounting method for the locomotive traction pin. The loss of other locomotive parts caused by the hammer is avoided. Moreover, the disassembly process is easier and easier to operate manually.
In embodiments of the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or units must have a specific direction, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the embodiments of the present invention.
In the description herein, the appearances of the phrase "one embodiment," "a preferred embodiment," or the like, are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present embodiment by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.
Claims (7)
1. The utility model provides a locomotive is dismounting device for towing pin, towing pin (2) are installed on towing device's crank arm seat (1), its characterized in that includes:
the lifting device is fixedly connected to the crank arm seat (1) and used for dragging the traction pin (2) when the traction pin (2) is loosened;
the fixing device is used for fixedly connecting the traction pin (2); and
the power device acts on the fixing device to enable the traction pin (2) to rotate and detach the traction pin (2);
the lifting device is a cushion block (3), and a groove (34) is formed in the upper portion of the cushion block (3) to accommodate the end portion of the traction pin (2); the cushion block (3) is cuboid, 4 first through holes (31) are formed in four corners of the cushion block (3), and the cushion block is fixed to the crank arm seat (1) through 4 bolts (32); fixing device includes stud (4) and nut (5), the bolt hole has been seted up in towing pin (2), second through-hole (33) have been seted up at the middle part of cushion (3), works as cushion (3) are fixed the back the bolt hole aligns second through-hole (33) are so that the one end of stud (4) is passed through second through-hole (33) screw in the bolt hole, just nut (5) screw in the other end of stud (4).
2. The dismounting device for the locomotive traction pin according to claim 1, further comprising four washers, wherein the four washers are sleeved on the bolt (32) in a one-to-one correspondence manner and are located between the cushion block (3) and the crank arm seat (1).
3. The dismounting device for the locomotive kingpin according to claim 1, wherein the bolt hole is a bolt hole of M24, the second through hole (33) is a through hole of phi 26, the stud bolt (4) is a bolt rod of M24X60, and the nut (5) is a nut of M24.
4. The apparatus as claimed in claim 3, wherein the power device is a long torque wrench or a long hydraulic torque wrench.
5. A method for disassembling a kingpin of a locomotive based on the disassembling apparatus of any one of claims 1 to 4, comprising:
disassembling a fixing plate arranged on the crank arm seat (1) to expose four threaded holes on the crank arm seat (1) and bolt holes of the traction pin (2);
fixing the lifting device at the lower end of the crank arm seat (1) through the threaded hole;
a stud (4) is adopted to penetrate through a second through hole (33) of the lifting device and is screwed into a bolt hole of the traction pin (2);
screwing the nut (5) to the other end of the stud (4);
-screwing the nut (5) by means of a longer torque wrench or hydraulic torque tool to turn the draw pin (2);
and sequentially disassembling the nut (5) and the lifting device, and taking down the traction pin (2).
6. The method for disassembling a vehicle towing pin according to claim 5, wherein a washer is sleeved on the stud (4) so as to be positioned between the lifting device and the crank arm base (1).
7. The method for disassembling a locomotive towing pin according to claim 5, characterized in that the lifting device is a cushion block (3), the upper surface of the cushion block (3) is provided with a groove (34) for accommodating the end of the towing pin, and the depth of the groove (34) is greater than the length of the towing pin (2) extending out of the lower end of the crank arm seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111444555.1A CN113954903B (en) | 2021-11-30 | 2021-11-30 | Dismounting device and dismounting method for locomotive traction pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111444555.1A CN113954903B (en) | 2021-11-30 | 2021-11-30 | Dismounting device and dismounting method for locomotive traction pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113954903A CN113954903A (en) | 2022-01-21 |
| CN113954903B true CN113954903B (en) | 2023-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111444555.1A Active CN113954903B (en) | 2021-11-30 | 2021-11-30 | Dismounting device and dismounting method for locomotive traction pin |
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| CN (1) | CN113954903B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204801813U (en) * | 2015-07-29 | 2015-11-25 | 齐齐哈尔轨道交通装备有限责任公司 | Rail vehicle and concave joint of joint connector thereof |
| CN205836836U (en) * | 2016-07-12 | 2016-12-28 | 中车株洲电力机车有限公司 | A kind of traction apparatus detaching structure |
| CN208453005U (en) * | 2018-07-26 | 2019-02-01 | 株洲时代新材料科技股份有限公司 | A kind of gyrocar center traction device |
| CN209717561U (en) * | 2019-08-15 | 2019-12-03 | 成都中车四方轨道车辆有限公司 | A kind of towing pin hydraulic disassembling device |
-
2021
- 2021-11-30 CN CN202111444555.1A patent/CN113954903B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204801813U (en) * | 2015-07-29 | 2015-11-25 | 齐齐哈尔轨道交通装备有限责任公司 | Rail vehicle and concave joint of joint connector thereof |
| CN205836836U (en) * | 2016-07-12 | 2016-12-28 | 中车株洲电力机车有限公司 | A kind of traction apparatus detaching structure |
| CN208453005U (en) * | 2018-07-26 | 2019-02-01 | 株洲时代新材料科技股份有限公司 | A kind of gyrocar center traction device |
| CN209717561U (en) * | 2019-08-15 | 2019-12-03 | 成都中车四方轨道车辆有限公司 | A kind of towing pin hydraulic disassembling device |
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| Publication number | Publication date |
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| CN113954903A (en) | 2022-01-21 |
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