CN212735889U - Separation frock of urban rail passenger train draw beam center pin bush and king pin - Google Patents
Separation frock of urban rail passenger train draw beam center pin bush and king pin Download PDFInfo
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- CN212735889U CN212735889U CN202021110788.9U CN202021110788U CN212735889U CN 212735889 U CN212735889 U CN 212735889U CN 202021110788 U CN202021110788 U CN 202021110788U CN 212735889 U CN212735889 U CN 212735889U
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Abstract
The patent of the utility model discloses a separation frock of urban rail passenger train draw beam center pin bushing and core pin, including screw thread, joint, cylindrical cushion. The joint is located directly over this separation frock, and the below is 4 rings of threaded rods, and the frock bottom is cylindrical metal cushion, and whole frock uses the mould to pour the shaping, but the big moment of torsion is rotatory. This urban rail passenger train draw beam center pin bush and core pin separation frock has effectively solved and has dismantled the urban rail passenger train and dismantle behind the two bonding of draw beam center pin bush and core pin operation in-process unable separation, work load is big, dismantle that the process is loaded down with trivial details, extravagant manpower and materials etc. not enough, can stabilize quick carry out relevant operation.
Description
Technical Field
The utility model belongs to the technical field of the rail vehicle technique and specifically relates to a separation frock of city rail passenger train draw beam center pin bush and king pin is related to.
Background
With the rapid development of urban rail passenger cars, a plurality of technical problems are exposed when the rail vehicles are maintained in daily life, and in the process of fault treatment and daily maintenance of urban rail passenger cars, the separation work of a central pin bush and a central pin of a traction beam of a bogie is often involved. Urban rail passenger train draw beam passes through central cotter 5 and fixes 4 fixed connections of core pin (as shown in figure 3) in the automobile body below, the pulling equipment comprises draw beam, central cotter, traction pull rod etc. the core pin adopts the awl cooperation with central cotter, automobile body and the direct rotational torque of bogie are transmitted by frictional force, for reducing the vehicle and open the impact that causes of opening, the central cotter adopts vertical foraminiferous structure, because the eccentric mounting structure of central cotter and traction pull rod leads to the draw beam to have the slope tendency, and the central cotter bending stiffness of rubber foraminiferous structure is lower, cause the draw beam excessively to incline, lead to draw beam and crossbeam to collide with. In order to solve the problem, the center pin bush of the existing vehicle needs to be replaced by a center pin bush with a structure without holes and higher bending rigidity. When the center pin is separated from the center pin sleeve of the traction beam, the center pin sleeve of the traction beam and the center pin sleeve are bonded together and cannot be separated due to long-time operation and gravity action of a vehicle, and due to the specific mechanical structure between the center pin sleeve of the traction beam and the center pin, the difficulty coefficient is higher during separation, the operation is inconvenient, a large amount of manpower and material resources are wasted, and the efficiency is low.
Therefore, the problem to be solved urgently is to develop a using tool which is convenient for separating the central pin sleeve and the central pin of the urban rail passenger car traction beam.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a convenient separation tool of urban rail passenger train draw beam center pin bushing and core pin to solve present urban rail passenger train draw beam center pin bushing and the unable separation of core pin and dismantle, the operating efficiency is low, the big scheduling problem of work load.
The technical scheme is as follows: the utility model provides a separation frock of city rail passenger train draw beam center cotter way and core pin, including the external screw thread double-screw bolt, connect, cylindrical metal cushion, connect and be located directly over the separation frock, connect the below to be the external screw thread double-screw bolt, external screw thread double-screw bolt below is cylindrical metal cushion, the diameter of cylindrical metal cushion is greater than core pin centre bore diameter, the height that highly is greater than cylindrical metal cushion of external screw thread double-screw bolt, the external screw thread double-screw bolt is twisted into the core pin below with draw beam center cotter internal thread hole cooperation for make cylindrical metal cushion and the ejecting core pin of core pin contact transmission torsion.
Preferably, the external threaded stud, the joint and the cylindrical metal cushion block are integrally connected in a pouring mode and are made of carbon steel.
Further preferably, the tool joint is a hexagonal bolt type joint, and a corresponding sleeve and a torque wrench are required to apply torque to the tool joint when the tool joint is used.
Further preferably, the external threaded stud is matched with the internal screw hole of the center pin in size, and the size is M90-6H.
Further preferably, the height of the cylindrical metal cushion block is 20 mm.
The utility model provides a city rail passenger train pulls beam center cotter way and core pin separation frock working process as follows: when separation operation is carried out, firstly, a center pin bolt and a fixing bolt connected with a traction beam by other equipment are dismounted, a traction beam center pin sleeve and a center pin separation tool are screwed into threads on the lower portion of the center pin sleeve, after the tool is continuously screwed 1 button by using a center pin bolt mounting tool sleeve and a torque wrench, as the rigid matching of the traction beam center pin sleeve and the center pin is damaged, the center pin fixedly mounted on a vehicle body is acted by upward acting force, the bogie traction beam center pin sleeve is acted by gravity downward, the traction beam center pin sleeve and the center pin are separated, then the separation tool is screwed down, and a lifting trolley is pushed to protect the traction beam.
The utility model provides a small easy operation of city rail passenger train draw beam center pin bushing and core pin separation frock has solved draw beam center pin bushing and unable separation of core pin, work load are big, complex operation, shortcoming such as long time, can be fast convenient carry out relevant operation.
Drawings
Fig. 1 is a front view of the tool of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic structural view of a connection mode of a towing beam center pin sleeve and a center pin.
Detailed Description
The invention will be further explained below with reference to specific embodiments, without limiting the invention.
As shown in fig. 1 and 2, the separation tool for the central pin bush and the central pin of the urban rail passenger car traction beam comprises an external thread stud 1, a hexagonal bolt type joint 2 and a cylindrical metal cushion block 3, wherein the hexagonal bolt type joint 2 is positioned right above the separation tool, the external thread stud 1 is arranged below the hexagonal bolt type joint 2, the cylindrical metal cushion block 3 is arranged below the external thread stud 1, the diameter of the cylindrical metal cushion block 3 is larger than the diameter of the central hole of the central pin, the height of the external thread stud 1 is larger than the height of the cylindrical metal cushion block 3, the external thread stud 1 is in threaded fit with the central pin bush of the traction beam and is twisted into the lower part of the central pin, and the cylindrical metal cushion block is in contact with the central pin to transmit.
As the improvement of the technical scheme, the external thread stud 1 is matched with the internal screw hole of the central pin sleeve in size, and the size is M90-6H.
As the improvement of the technical scheme, the upper part of the tool is a hexagonal bolt type joint, and a corresponding sleeve and a torque wrench are required to apply torque to the tool when the tool is used.
As the improvement of the technical scheme, the external thread stud 1, the hexagonal bolt type joint 2 and the cylindrical metal cushion block 3 are integrally connected in a pouring mode and are made of carbon steel.
As the improvement of the technical scheme, in order to meet the torque transmission between the tool and the center pin, the height of the cylindrical metal cushion block 3 at the bottom of the tool is 20 mm.
The embodiments of the present invention are written in a progressive manner, emphasizing the differences of the various embodiments, and similar parts can be referred to each other.
As shown in fig. 3, when disassembling, the center pin bolt 6, the center pin sleeve lower cover 8 of the towing beam and other fixing bolts of the equipment connected with the towing beam are disassembled. Because the inner hole of the central pin bush is a stepped hole, the upper part 7 of the stepped hole is a non-threaded hole, and the lower part is a threaded hole, when the external thread stud part of the tool is screwed into the central pin bush 5, the upper cylindrical metal cushion block enters the upper non-threaded hole, and along with the screwing of the tool, the upper cylindrical metal cushion block contacts the central pin 4 to further eject the central pin, so that the central pin bush of the traction beam is separated from the central pin.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. The utility model provides a separation frock of city rail passenger train draw beam center pin bush and core pin which characterized in that: the method comprises the following steps: the outer screw thread double-screw bolt (1), connect (2), cylindrical metal cushion (3), connect (2) and be located the separation frock directly over, connect (2) below to be outer screw thread double-screw bolt (1), outer screw thread double-screw bolt (1) below is cylindrical metal cushion (3), the diameter of cylindrical metal cushion (3) is greater than the core pin centre bore diameter, the height that highly is greater than cylindrical metal cushion (3) of outer screw thread double-screw bolt (1), outer screw thread double-screw bolt (1) and draft sill center cotter thread fit twist into the core pin below, be used for making cylindrical metal cushion (3) and the ejecting core pin of core pin contact transmission torsion.
2. The tool for separating the center pin bush from the center pin of the urban rail passenger car traction beam as claimed in claim 1, is characterized in that: the external thread stud (1), the joint (2) and the cylindrical metal cushion block (3) are integrally connected in a pouring mode and are made of carbon steel.
3. The tooling for separating the center pin bush from the center pin of the urban rail passenger car traction beam as claimed in claim 1 or 2, is characterized in that: the joint (2) is a hexagonal bolt type joint.
4. The tool for separating the center pin bush from the center pin of the urban rail passenger car traction beam as claimed in claim 1, is characterized in that: the external thread stud (1) is matched with the size of the screw hole in the central pin bush of the traction beam.
5. The tool for separating the center pin bush from the center pin of the urban rail passenger car traction beam as claimed in claim 1, is characterized in that: the height of the cylindrical metal cushion block (3) is 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021110788.9U CN212735889U (en) | 2020-06-16 | 2020-06-16 | Separation frock of urban rail passenger train draw beam center pin bush and king pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021110788.9U CN212735889U (en) | 2020-06-16 | 2020-06-16 | Separation frock of urban rail passenger train draw beam center pin bush and king pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212735889U true CN212735889U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021110788.9U Active CN212735889U (en) | 2020-06-16 | 2020-06-16 | Separation frock of urban rail passenger train draw beam center pin bush and king pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212735889U (en) |
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2020
- 2020-06-16 CN CN202021110788.9U patent/CN212735889U/en active Active
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