CN210615704U - Assembling tool for central pin bush for urban railway vehicle bogie traction device - Google Patents
Assembling tool for central pin bush for urban railway vehicle bogie traction device Download PDFInfo
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- CN210615704U CN210615704U CN201921623775.9U CN201921623775U CN210615704U CN 210615704 U CN210615704 U CN 210615704U CN 201921623775 U CN201921623775 U CN 201921623775U CN 210615704 U CN210615704 U CN 210615704U
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Abstract
An assembling tool of a center pin bush for a traction device of a bogie of an urban railway vehicle relates to the technical field of assembling of traction devices of bogies of urban railway vehicles, and comprises a positioning seat, two guide rods, a base and a pressing block; the positioning seat comprises a positioning seat bottom plate and a positioning seat boss, each guide rod comprises an upper thin section and a lower thick section which are coaxially and fixedly connected, the front part of the base is fixedly connected with a lateral positioning block, the rear part of the base is fixedly connected with an annular positioning boss, and the pressing block comprises a pressing block peripheral boss and a pressing block inner cover plate. The utility model discloses can simplify the assembly process that the draw beam is constituteed and the central pin bushing, reduce the equipment process to equipment and operating personnel skill level's demand, control equipment process realizes that the draw beam constitutes the accurate positioning with the central pin bushing, improves the equipment qualification rate.
Description
Technical Field
The utility model relates to a city railway vehicle bogie draw gear equipment technical field, concretely relates to city railway vehicle bogie draw gear is with equipment frock of center pin bush.
Background
The traction device of the bogie of the urban railway vehicle is an important part for connecting the bogie and a vehicle body and transmitting longitudinal force between the vehicle body and the bogie. The traction device comprises a traction beam assembly, a central pin sleeve, a transverse stop assembly, a transverse shock absorber, a traction pull rod assembly, a central pin lower cover, a positioning pin and the like. Wherein, as shown in fig. 1, the towing beam assembly 1 which plays a key transmission role needs to be assembled with the central pin bush 2 in an interference fit manner before the system is assembled. The draft sill assembly 1 comprises a draft sill 1-1, a draft sill center tube 1-2 and two vertical baffles 1-3, wherein the draft sill center tube 1-2 is fixedly connected to the center of the draft sill 1-1, and the two vertical baffles 1-3 are symmetrically and fixedly connected to the positions below the front or rear end face of the draft sill center tube 1-2. As shown in fig. 2 to 6, the outside of the central pin bush 2 is of a cylindrical structure, the inside of the central pin bush 2 is a tapered inner cavity 2-1 with the inner diameter gradually decreasing from top to bottom, a cylindrical upper boss 2-3 is arranged at the upper end of the central pin bush 2, an annular upper groove 2-2 is arranged at the periphery of the upper boss 2-3 of the central pin bush 2, a lower boss 2-6 is arranged at the lower end of the central pin bush 2, an annular lower first-order groove 2-4 is arranged at the periphery of the lower boss 2-6 of the central pin bush 2, an annular lower second-order groove 2-5 is arranged at the periphery of the inner part of the lower boss 2-6 of the central pin bush 2, two symmetrical small circular arc grooves 2-6-1 of the central pin bush are arranged on the inner side wall of the lower boss 2-6 along the boss diameter direction, and threads are.
In the assembling process of the draft sill assembly 1 and the central pin bush 2, the central pin bush 2 and the draft sill central cylinder 1-2 are required to be coaxially and accurately positioned, and the symmetrical center lines of the small circular arc grooves 2-6-1 of the two central pin bushes are ensured to be superposed with the center line of the draft sill 1-1 along the longitudinal direction of the bogie.
At present, the assembly method of the draft sill assembly 1 and the center pin bush 2 is as follows:
1) the surface of a central hole of the traction beam assembly 1 and the surface of an excircle of the central pin bush 2 are cleaned, no corrosion, oil stain, impurities and the like are confirmed, the size of the central hole of the traction beam assembly 1 is measured by using an inner diameter scale, the size of the excircle of the central pin bush 2 is measured by using an outer diameter micrometer, and the correct matching size of the traction beam assembly 1 and the central pin bush 2 is ensured.
2) And marking the central line of the draft sill assembly 1 along the longitudinal direction of the bogie on the non-assembly surface by using a scribing detection platform.
3) And marking the symmetrical central lines of the two small circular arc grooves 2-6-1 of the central pin bush 2 on the non-assembly surface by using a marking detection platform.
4) The traction beam assembly 1 is placed on a single-column press workbench, and a thin layer of special lubricating grease is smeared on the surface of an inner hole of the traction beam assembly 1.
5) The central pin bush 2 is placed on the draft sill assembly 1, the positions of the draft sill assembly 1 and the central pin bush 2 are adjusted, the longitudinal center line of a bogie on the draft sill assembly 1 is aligned with the symmetrical center lines of two central pin bush small arc grooves 2-6-1 of the central pin bush 2, and a thin layer of special lubricating grease is smeared on the surface of the outer side wall of the central pin bush 2.
6) And starting the single-column press to press the central pin bush 2 into the designated position of the central cylinder 1-2 of the traction beam assembly 1.
Although the above assembling method can realize the assembling of the draft sill assembly 1 and the center pin bush 2, the following two disadvantages exist:
1) in the assembling process, two professional devices, namely a marking detection platform and a single-column press, are needed, and the process is relatively complicated. In addition, the scribing detection platform is complex to operate and has high requirements on the operating skill level of operators.
2) Although the two identification lines of the traction beam assembly 1 and the central pin bush 2 before assembly are aligned, in the assembly process, under the action of lubricating grease, the traction beam assembly 1 and the central pin bush 2 are in a relatively free sliding state, the identification lines of two workpieces may have an included angle after assembly, the included angle is random in size, a certain unqualified probability exists, and the assembly result cannot be guaranteed to be 100% qualified.
SUMMERY OF THE UTILITY MODEL
In order to solve the loaded down with trivial details of technology that current assembly method exists, require higher to operating personnel's operating skill level to and draw beam composition and central round pin bush equipment back qualification rate can not reach 100% technical problem, the utility model provides an urban railway vehicle bogie is equipment frock of central round pin bush for draw gear.
The utility model provides a technical scheme as follows that technical problem took:
the assembling tool for the central pin bush for the urban railway vehicle bogie traction device comprises a positioning seat, two guide rods, a base and a pressing block;
the positioning seat comprises a positioning seat bottom plate and a positioning seat boss, the positioning seat boss is fixedly connected to the upper end face of the positioning seat bottom plate, threads are arranged on the outer side wall of the positioning seat boss, and the outer diameter of the positioning seat boss is smaller than or equal to the inner diameter of a boss at the lower part of the central pin bush; the two sides of the positioning seat bottom plate are respectively provided with a positioning seat through hole, the two sides of the positioning seat boss are respectively provided with a large positioning seat arc groove, the arc radius of the large positioning seat arc groove is smaller than that of the positioning seat through hole, the large positioning seat arc groove and the positioning seat through hole are coaxially arranged, the arc radius of the large positioning seat arc groove is equal to that of the small center pin sleeve arc groove, and the large positioning seat arc groove and the small center pin sleeve arc groove are encircled to form a complete arc groove;
each guide rod comprises an upper thin section and a lower thick section which are coaxially and fixedly connected, the two upper thin sections penetrate through the positioning seat through hole and then are inserted into the positioning seat large arc groove, and the tops of the two lower thick sections are inserted into and fixedly connected with the positioning seat through hole;
the front part of the base is fixedly connected with a lateral positioning block, the rear part of the base is fixedly connected with an annular positioning boss, and the distance between the rear end face of the lateral positioning block and the central shaft of the positioning boss is equal to the distance between the front end face of the vertical baffle of the traction device and the central shaft of the central cylinder of the traction beam; the inner diameter of the positioning boss is equal to the outer diameter of the lower boss and larger than the outer diameter of the positioning seat bottom plate, and the outer diameter of the positioning boss is equal to the outer diameter of the first-order groove at the lower part of the central pin bush; the base is provided with two guide through holes in the positioning boss, the diameter of each guide through hole is equal to the outer diameter of the thick section of the lower part of each guide rod, the guide through holes and the positioning seat through holes are coaxially arranged in a one-to-one correspondence mode, the thick section of the lower part is connected with the guide through holes in a sliding mode, and the positioning seat bottom plate is placed in the positioning boss;
the briquetting includes the peripheral boss of briquetting and the peripheral boss in the briquetting, and the peripheral boss of briquetting links firmly at the periphery of the inner cover plate of briquetting, and the center of the apron is equipped with a briquetting screw in the briquetting, and the internal diameter of the peripheral boss of briquetting is greater than the external diameter of the upper portion boss of central cotter bush, and the external diameter of the peripheral boss of briquetting is less than the external diameter of the upper portion recess of central cotter bush.
The utility model has the advantages as follows:
1) adopt the utility model discloses an equipment frock has cancelled the marking off alignment process that central cotter and draw beam are constituteed, promptly, no longer need marking off detection platform and professional marking off detection operator, has reduced the equipment process to equipment and operating personnel skill level's demand, has simplified assembly process, has improved work efficiency.
2) In the assembling process, the guide rod always guides and controls the position of the central pin bush and the traction beam, so that the central pin bush and the traction beam are prevented from deviating, accurate positioning is realized, the precision is higher than that of the traditional marking alignment, the method is stable and reliable, and the 100% qualification rate in the assembling process is ensured.
Drawings
FIG. 1 is a schematic view of the draft sill assembly and center pin sleeve configuration.
Fig. 2 is an axial sectional structural view of the center pin sleeve.
Fig. 3 is a schematic bottom view of the center pin sleeve.
Fig. 4 is a schematic perspective view of the inverted center pin bush.
Fig. 5 is a perspective view of the draft sill assembly.
FIG. 6 is an axial cross-sectional structural view of the trailing beam assembly and center pin sleeve after assembly.
Fig. 7 is an explosion structure diagram of the assembly tool of the center pin bush for the urban railway vehicle bogie traction device.
Fig. 8 is a schematic top view of the positioning seat of the present invention.
Fig. 9 is an axial sectional structural schematic view of the positioning seat of the present invention.
Fig. 10 is a schematic view of the partial assembly relationship between the positioning seat and the guide rod of the present invention.
Fig. 11 is a schematic view of the assembled positioning seat and guide rod in the present invention.
Fig. 12 is a schematic axial sectional view of the positioning seat, the guide rod and the center pin bush of the present invention after being assembled.
Figure 13 is utilized the utility model discloses the equipment frock of central pin bush for urban railway vehicle bogie draw gear is to central pin bush and draw beam constitution before assembling the schematic structure drawing.
Figure 14 is the structure sketch map after utilizing the utility model discloses central pin bush's equipment frock is assembled central pin bush and draw beam composition for urban railway vehicle bogie draw gear.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 7 to 11, the utility model discloses city railway vehicle bogie draw gear includes with the equipment frock of center pin cover: the positioning seat 3, the two guide rods 4, the base 5 and the pressing block 6; the positioning seat 3 comprises a positioning seat bottom plate 3-1 and a positioning seat boss 3-2, the positioning seat boss 3-2 is fixedly connected to the upper end face of the positioning seat bottom plate 3-1, the outer side wall of the positioning seat boss 3-2 is provided with threads, and the outer diameter of the positioning seat boss 3-2 is smaller than or equal to the inner diameter of a lower boss 2-6 of the central pin sleeve 2; the two sides of the positioning seat bottom plate 3-1 are respectively provided with a positioning seat through hole 3-1-1, the two sides of the positioning seat boss 3-2 are respectively provided with a positioning seat large arc groove 3-2-1, the arc radius of the positioning seat large arc groove 3-2-1 is smaller than the radius of the positioning seat through hole 3-1-1, the positioning seat large arc groove 3-2-1 and the positioning seat through hole 3-1-1 are coaxially arranged, the arc radius of the positioning seat large arc groove 3-2-1 is equal to the radius of the central pin sleeve small arc groove 2-6-1, and the positioning seat large arc groove 3-2-1 and the central pin sleeve small arc groove 2-6-1 are encircled to form a complete arc groove.
Each guide rod 4 comprises an upper thin section 4-1 and a lower thick section 4-2 which are coaxially and fixedly connected, the two upper thin sections 4-1 are inserted into the large arc groove 3-2-1 of the positioning seat after penetrating through the through hole 3-1-1 of the positioning seat, and the tops of the two lower thick sections 4-2 are inserted into and fixedly connected with the through hole 3-1-1 of the positioning seat. When the guide rod 4 is used, one end of the guide rod penetrates into the two small circular arc grooves 2-6-1 of the central pin bush 2 through the positioning seat 3, and the other end of the guide rod penetrates through the guide through hole 5-3 of the base 5, so that the positioning and guiding effects in the connecting and assembling process are achieved, and the central pin bush 2 is prevented from rotating in the assembling process.
The front part of the base 5 is fixedly connected with a lateral positioning block 5-1, the rear part of the base 5 is fixedly connected with an annular positioning boss 5-2, and the distance between the rear end face of the lateral positioning block 5-1 and the central shaft of the positioning boss 5-2 is equal to the distance between the front end face of a vertical baffle 1-3 of the traction device and the central shaft of a central cylinder 1-2 of the traction beam; the inner diameter of the positioning boss 5-2 is equal to the outer diameter of the lower boss 2-6 and larger than the outer diameter of the positioning seat bottom plate 3-1, and the outer diameter of the positioning boss 5-2 is equal to the outer diameter of the lower first-order groove 2-4 of the central pin sleeve 2; two guide through holes 5-3 are formed in the positioning boss 5-2 of the base 5, the diameter of each guide through hole 5-3 is equal to the outer diameter of the lower thick section 4-2 of the guide rod 4, the guide through holes 5-3 and the positioning seat through holes 3-1-1 are coaxially arranged in a one-to-one correspondence mode, the lower thick section 4-2 is connected with the guide through holes 5-3 in a sliding mode, and the positioning seat bottom plate 3-1 is placed in the positioning boss 5-2.
The pressing block 6 comprises a pressing block peripheral boss 6-1 and a pressing block inner cover plate 6-2, the pressing block peripheral boss 6-1 is fixedly connected to the periphery of the pressing block inner cover plate 6-2, a pressing block screw hole 6-2-1 is formed in the center of the pressing block inner cover plate 6-2, the inner diameter of the pressing block peripheral boss 6-1 is larger than the outer diameter of an upper boss 2-3 of the central pin bush 2, and the outer diameter of the pressing block peripheral boss 6-1 is smaller than the outer diameter of an upper groove 2-2 of the central pin bush 2. Place on the up end of central cotter 2 when briquetting 6 uses, be connected with single-column press pressure head in the assembling process, transmit the pressure of single-column press to central cotter 2 on, prevent that single-column press and central cotter 2 direct contact from causing mar or damage.
As shown in fig. 12 to 14, the assembling process of the center pin bush 2 and the draft sill assembly 1 by using the assembling tool of the center pin bush for the urban railway vehicle bogie traction device of the present invention is as follows:
1) the surface of a central hole of the traction beam assembly 1 and the surface of an excircle of the central pin bush 2 are cleaned, no corrosion, oil stain, impurities and the like are confirmed, the size of the central hole of the traction beam assembly 1 is measured by using an inner diameter scale, the size of the excircle of the central pin bush 2 is measured by using an outer diameter micrometer, and the correct matching size of the traction beam assembly 1 and the central pin bush 2 is ensured.
2) Placing a base 5 on a single-column press workbench, placing a traction beam assembly 1 on the base 5, and enabling the front end face of a front vertical baffle 1-3 to be close to the rear end face of a lateral positioning block 5-1; and (3) coating a thin layer of special lubricating grease on the surface of the inner hole of the traction beam assembly 1.
3) The positioning seat 3 is arranged in a threaded hole in the inner side wall of a boss 2-6 at the lower part of the central pin sleeve 2, and the two guide rods 4 penetrate into the two small circular arc grooves 2-6-1 of the central pin sleeve 2 through the positioning seat 3.
4) Two guide rods 4 of the assembled center pin bush 2 penetrate through a guide through hole 5-3 of a base 5 through a traction beam assembly 1, and a thin layer of special lubricating grease is smeared on the outer wall surface of the center pin bush 2; a pressing block 6 is placed on the upper end face of the center pin boss 2.
5) And starting the single-column press to press the central pin bush 2 into the designated position of the traction beam assembly 1.
Utilize the utility model discloses city railway vehicle bogie equipment frock of central pin bush for draw gear can simplify the draw beam and constitute 1 and the assembly process of central pin bush 2, reduces the equipment process to equipment and operating personnel skill level's demand, and the process of control equipment realizes that the draw beam constitutes 1 and the accurate positioning of central pin bush 2, has improved the equipment qualification rate.
Claims (1)
1. The assembling tool for the central pin bush for the urban railway vehicle bogie traction device is characterized by comprising a positioning seat (3), two guide rods (4), a base (5) and a pressing block (6);
the positioning seat (3) comprises a positioning seat bottom plate (3-1) and a positioning seat boss (3-2), the positioning seat boss (3-2) is fixedly connected to the upper end face of the positioning seat bottom plate (3-1), the outer side wall of the positioning seat boss (3-2) is provided with threads, and the outer diameter of the positioning seat boss (3-2) is smaller than or equal to the inner diameter of a lower boss (2-6) of the central pin sleeve (2); two sides of the positioning seat bottom plate (3-1) are respectively provided with a positioning seat through hole (3-1-1), two sides of the positioning seat boss (3-2) are respectively provided with a positioning seat large arc groove (3-2-1), the arc radius of the positioning seat large arc groove (3-2-1) is smaller than the radius of the positioning seat through hole (3-1-1), the positioning seat large arc groove (3-2-1) and the positioning seat through hole (3-1-1) are coaxially arranged, the arc radius of the positioning seat large arc groove (3-2-1) is equal to the radius of the central pin sleeve small arc groove (2-6-1), and the positioning seat large arc groove (3-2-1) and the central pin sleeve small arc groove (2-6-1) are encircled to form a complete arc groove;
each guide rod (4) comprises an upper thin section (4-1) and a lower thick section (4-2) which are coaxially and fixedly connected, the two upper thin sections (4-1) penetrate through the positioning seat through hole (3-1-1) and then are inserted into the positioning seat large arc groove (3-2-1), and the tops of the two lower thick sections (4-2) are inserted into and fixedly connected with the positioning seat through hole (3-1-1);
the front part of the base (5) is fixedly connected with a lateral positioning block (5-1), the rear part of the base (5) is fixedly connected with a circular positioning boss (5-2), and the distance between the rear end face of the lateral positioning block (5-1) and the central shaft of the positioning boss (5-2) is equal to the distance between the front end face of a vertical baffle (1-3) of the traction device and the central shaft of a central cylinder (1-2) of a traction beam; the inner diameter of the positioning boss (5-2) is equal to the outer diameter of the lower boss (2-6) and larger than the outer diameter of the positioning seat bottom plate (3-1), and the outer diameter of the positioning boss (5-2) is equal to the outer diameter of the first-order groove (2-4) at the lower part of the central pin sleeve (2); the base (5) is provided with two guide through holes (5-3) in the positioning boss (5-2), the diameter of each guide through hole (5-3) is equal to the outer diameter of the lower thick section (4-2) of the guide rod (4), the guide through holes (5-3) and the positioning seat through holes (3-1-1) are coaxially arranged in a one-to-one correspondence mode, the lower thick section (4-2) is connected with the guide through holes (5-3) in a sliding mode, and the positioning seat bottom plate (3-1) is placed in the positioning boss (5-2);
the pressing block (6) comprises a pressing block peripheral boss (6-1) and a pressing block inner cover plate (6-2), the pressing block peripheral boss (6-1) is fixedly connected to the periphery of the pressing block inner cover plate (6-2), a pressing block screw hole (6-2-1) is formed in the center of the pressing block inner cover plate (6-2), the inner diameter of the pressing block peripheral boss (6-1) is larger than the outer diameter of an upper boss (2-3) of the central pin bush (2), and the outer diameter of the pressing block peripheral boss (6-1) is smaller than the outer diameter of an upper groove (2-2) of the central pin bush (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921623775.9U CN210615704U (en) | 2019-09-26 | 2019-09-26 | Assembling tool for central pin bush for urban railway vehicle bogie traction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921623775.9U CN210615704U (en) | 2019-09-26 | 2019-09-26 | Assembling tool for central pin bush for urban railway vehicle bogie traction device |
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| CN210615704U true CN210615704U (en) | 2020-05-26 |
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| CN201921623775.9U Active CN210615704U (en) | 2019-09-26 | 2019-09-26 | Assembling tool for central pin bush for urban railway vehicle bogie traction device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001617A (en) * | 2021-11-17 | 2022-02-01 | 中车长春轨道客车股份有限公司 | Quick detecting device and method for parallelism of traction beam assembly |
| CN114310212A (en) * | 2020-09-29 | 2022-04-12 | 中冶宝钢技术服务有限公司 | Copper bush installation guide device and method |
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2019
- 2019-09-26 CN CN201921623775.9U patent/CN210615704U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310212A (en) * | 2020-09-29 | 2022-04-12 | 中冶宝钢技术服务有限公司 | Copper bush installation guide device and method |
| CN114310212B (en) * | 2020-09-29 | 2023-09-19 | 中冶宝钢技术服务有限公司 | Copper bush installation guiding device and method |
| CN114001617A (en) * | 2021-11-17 | 2022-02-01 | 中车长春轨道客车股份有限公司 | Quick detecting device and method for parallelism of traction beam assembly |
| CN114001617B (en) * | 2021-11-17 | 2023-05-16 | 中车长春轨道客车股份有限公司 | Rapid detection device and detection method for parallelism of traction beam assembly |
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