CN208906483U - A kind of railcar car door pair of nut roller bolt attaching/detaching apparatus - Google Patents
A kind of railcar car door pair of nut roller bolt attaching/detaching apparatus Download PDFInfo
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- CN208906483U CN208906483U CN201821616411.3U CN201821616411U CN208906483U CN 208906483 U CN208906483 U CN 208906483U CN 201821616411 U CN201821616411 U CN 201821616411U CN 208906483 U CN208906483 U CN 208906483U
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- convex platform
- positioning convex
- side plate
- roller bolt
- positioning
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Abstract
The utility model discloses a kind of railcar car door pair of nut roller bolt attaching/detaching apparatus, including pedestal, side plate, positioning convex platform, top shoe and sliding block；Side plate is fixed on pedestal, and side plate is equipped with hole；Positioning convex platform is fixed on the one side of side plate, and is located at the top in hole；Between positioning convex platform and side plate, top shoe moves up and down under positioning convex platform effect along side plate top shoe；Sliding block is fixed on pedestal, and the two sides of sliding block and the two sides of top shoe are located in the same vertical plane；The bottom surface of top shoe is in inclined-plane；The beneficial effects of the utility model are: convenient disassembly, time saving and energy saving, precise structure improves the installation reliability of roller bolt, solves the problems, such as that roller bolt disassembly efficiency is low.
Description
Technical field
The utility model belongs to subway train door device field, and in particular to a kind of railcar car door pair of nut rolling
Sell attaching/detaching apparatus.
Background technique
Car door pair of nut is the heavy connection of screw rod and door leaf, and pair of nut roller bolt is the portion directly with screw rod cooperation
Part, roller bolt pin shaft intensity is low compared with screw rod, easily wears.Subway train car door quantity is more, by taking A type vehicle as an example, 120, train
Door leaf amounts to 240 roller bolts, and replacement abrasion roller bolt pin shaft need to dismantle the components such as roller bolt metal (upper, circlip, due to rolling
Dynamic latch structure is not compact easy to assemble, and if dismounting is improper will lead to roller bolt and screw rod dyskinesia, be unable to drive door leaf and act,
Lead to car door failure.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of railcar car door pair of nut roller bolt
Attaching/detaching apparatus solves car door pair of nut roller bolt existing in the prior art technical problem not easy to disassemble.
To solve the above-mentioned problems, the utility model is achieved by following technical scheme:
A kind of railcar car door pair of nut roller bolt attaching/detaching apparatus, including pedestal, side plate, positioning convex platform, top shoe and
Sliding block；The side plate is fixed on the pedestal, and the side plate is equipped with hole；The positioning convex platform is fixed on the side plate
On one side, and it is located at the top in the hole；The top shoe is between the positioning convex platform and the side plate, the upper cunning
Block side plate described in positioning convex platform effect lower edge moves up and down；The sliding block is fixed on the pedestal, and sliding block
Two sides and the two sides of the top shoe be located in the same vertical plane；The bottom surface of the top shoe is in inclined-plane.
More preferably, the positioning convex platform is determined including the first positioning convex platform, the second positioning convex platform, third positioning convex platform, the 4th
Position boss；First positioning convex platform, second positioning convex platform are located in a vertical straight line, the third positioning convex platform, institute
The 4th positioning convex platform is stated to be located in another vertical straight line；First positioning convex platform is fixed on the side by the first positioning bolt
On plate, second positioning convex platform is fixed on the side plate by the second positioning bolt, and the third positioning convex platform passes through the
Three positioning bolts are fixed on the side plate, and the 4th positioning convex platform is fixed on the side plate by the 4th positioning bolt.
More preferably, the top surface of the sliding block is in inclined-plane, and the top surface slope of sliding block and the bottom surface of the top shoe are oblique
Rate opposite number each other.
More preferably, the bottom of the top shoe is equipped with the first groove, the top of the sliding block is equipped with the second groove.
It more preferably, further include operation handle, the operation handle is fixed on the side plate by fixing bolt, and the behaviour
Make handle and the side plate is respectively positioned on the same side of the top shoe.
More preferably, the diameter in the hole is greater than twice of roller bolt outer diameter.
It more preferably, further include first positioning hole for installing bearing, the first positioning hole is located on the pedestal.
It more preferably, further include second location hole for installing bearing, the second location hole is located on the pedestal.
More preferably, the bottom of the pedestal is equipped with U-type groove.
The beneficial effects of the utility model are:
By the way that top shoe, positioning convex platform is arranged, top shoe is set to move up and down under the action of positioning convex platform, the bottom of top shoe
Portion has tip in inclined-plane, and the intermediate position of roller bolt is overlapped with the tip of top shoe, and roller bolt is located on sliding block, when hand
Operation handle moves downward top shoe, and roller bolt separates under the action of top shoe tip, and roller bolt leans on the side of proximal panel
It is moved on pedestal after separation by the hole on side plate, convenient disassembly is time saving and energy saving, precise structure, achievable to roller bolt
Disassembly, improves the installation reliability of roller bolt, solves the problems, such as that roller bolt disassembly efficiency is low.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model railcar car door pair of nut roller bolt attaching/detaching apparatus.
Wherein:
1- pedestal, 11-U type groove, 2- side plate, 3- positioning convex platform (not shown), the first positioning convex platform of 31-, 32- second
Positioning convex platform, 33- third positioning convex platform, the 4th positioning convex platform of 34-, 4- top shoe, 5- sliding block, 6- operation handle, 7- are fixed
Bolt, 8- roller bolt, the gap 81-, 9- first positioning hole, 10- second location hole.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figure 1, the utility model provides a kind of railcar car door pair of nut roller bolt attaching/detaching apparatus, including pedestal
1, side plate 2, positioning convex platform 3, top shoe 4 and sliding block 5；2 plate of side is fixed on pedestal 1, and side plate 2 is equipped with hole；Positioning convex platform
It is fixed on the one side of side plate 2, and is located at the top in hole；Top shoe 4 is between positioning convex platform 3 and side plate 2, top shoe 4
It is moved up and down under the effect of positioning convex platform 3 along side plate 2；Sliding block 5 is fixed on pedestal 1, and the two sides of sliding block 5 and upper cunning
The two sides of block 4 are located in the same vertical plane；The bottom surface of top shoe 4 is in inclined-plane.Side plate 2 uses the thin plate system of 140*80*5mm
Make, the hole that the reserved diameter in centre is 35mm is used cooperatively, when separating 8 metal (upper of roller bolt for positioning rolling with sliding block 5
Dynamic pin 8.
Positioning convex platform 3 includes the first positioning convex platform 31, the second positioning convex platform 32, third positioning convex platform 33, the 4th convex
Platform 34；First positioning convex platform 31, the second positioning convex platform 32 are located in a vertical straight line, third positioning convex platform 33, the 4th convex
Platform 34 is located in another vertical straight line；First positioning convex platform 31 is fixed on side plate 2 by the first positioning bolt, the second convex
Platform 32 is fixed on side plate 2 by the second positioning bolt, and third positioning convex platform 33 is fixed on side plate 2 by third positioning bolt
On, the 4th positioning convex platform 34 is fixed on side plate 2 by the 4th positioning bolt.Positioning convex platform 3 is used to ensure top shoe 4 along vertical
Track movement.
The top surface of sliding block 5 is in inclined-plane, and the bottom surface slope of the top surface slope of sliding block 5 and top shoe 4 opposite number each other.
Top shoe 4,5 end design angle of sliding block are 30 °, with a thickness of 12mm, width 40mm.
The bottom of top shoe 4 is equipped with the first groove, the top of sliding block 5 is equipped with the second groove.First groove, the second groove
Width be 12mm, make gap 81 between car door pair of nut roller bolt metal (upper that can just realize positioning.
At gap 81 of the sliding block 5 for supporting 8 metal (upper of roller bolt when dismantling roller bolt 8, make with the cooperation of side plate 2
With fixed roller bolt 8,8 metal (upper gap of roller bolt is made to be located at 4 top of top shoe；Top shoe 4 is used cooperatively with sliding block 5,
It, being capable of 8 metal (upper of quick separating roller bolt when for 4 slide downward of top shoe.
Railcar car door pair of nut roller bolt attaching/detaching apparatus further includes operation handle 6, and operation handle 6 passes through fixing bolt
7 are fixed on side plate 2, and the operation handle 6 and side plate 2 are respectively positioned on the same side of top shoe 4.Operation handle 6 is for separating rolling
Operation top shoe 4 is facilitated to move when dynamic 8 metal (upper of pin.
The diameter in hole is greater than twice of 8 outer diameter of roller bolt.
Railcar car door pair of nut roller bolt attaching/detaching apparatus further includes the first positioning hole 9 for installing bearing, and first
Location hole 9 is located on pedestal 1.Railcar car door pair of nut roller bolt attaching/detaching apparatus further includes fixed for installing the second of bearing
Position hole 10, second location hole 10 are located on pedestal 1.First positioning hole 9 is the blind hole that aperture is 10mm, and aperture and roller bolt 8 are sold
Axis front end is in the same size, and roller bolt 8 is used for alignment pin when installing lower bearing.Second location hole 10 is that aperture is the logical of 14mm
Hole, aperture and 8 pin shaft rear end of roller bolt are in the same size, position rear end when dismounting bearing for roller bolt 8, and can meet pin shaft and tear open
It is fallen when unloading from through-hole.
First positioning hole 9, second location hole 10 are configured on pedestal 1, are the blind hole that aperture is 10mm, pore size and rolling
The dynamic pin pin shaft both ends diameter of axle is consistent, and roller bolt is used for alignment pin when installing lower bearing, and the dismounting for pin shaft and bearing positions.
The bottom of pedestal 1 is equipped with U-type groove 11.Pedestal 1 is made of the stainless steel plate of a height of 145*80*30mm of length and width.It is U-shaped
When the effect of slot 11 is roller bolt dismounting hinge pin, it can be dropped out out of slot, it is easy to disassemble.
The fast quick-detach application method of the utility model car door pair of nut roller bolt is as follows:
1, roller bolt 8 is placed across on the hole of sliding block 5 and side plate 2 and puts stabilization, it is ensured that between 8 metal (upper of roller bolt
Gap 81 is located at 2 top of sliding block；
2, operation handle 6 is operated, makes to put on top shoe 4 vertical downward movement to roller bolt 8, it is ensured that 4 bottom position of upper slide
At metal (upper gap 81, it is ensured that accurate positioning；
3, by top shoe 4 by extreme higher position sharp downward movement, make 8 metal (upper of roller bolt separate, roll at this time
8 lower bearing of pin has been dismantled；
4,8 upper bearing (metal) part of roller bolt is removed, pin shaft circlip is removed, pin shaft front end is placed on to the second location hole of bottom plate 1
10 position is touched pin shaft with rubber hammer, i.e., is detachably finished；
The utility model car door pair of nut roller bolt Fast Installation application method is as follows:
When replacement abrasion pin shaft, metal (upper is successively installed using first positioning hole 9, second location hole 10 on bottom plate 1, it is complete
At installation exercise；
The beneficial effects of the utility model are:
By the way that top shoe, positioning convex platform is arranged, top shoe is set to move up and down under the action of positioning convex platform, the bottom of top shoe
Portion has tip in inclined-plane, and the gap of roller bolt is overlapped with the tip of top shoe, and roller bolt is located on sliding block, and uses side plate
On hole be fixed, when hand operation handle, make top shoe sharp downward movement, roller bolt is under the action of top shoe tip
Separation, roller bolt move on pedestal after the separation of the side of proximal panel by the hole on side plate, reuse first on bottom plate
Location hole and second location hole complete the disassembly to roller bolt, and convenient disassembly is time saving and energy saving, and precise structure improves roller bolt
Installation reliability solves the problems, such as that roller bolt disassembly efficiency is low.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, therefore it is all without departing from the content of the technical scheme of the utility model, implement according to the technical essence of the utility model to above
Any modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention made by example.
Claims (9)
1. a kind of railcar car door pair of nut roller bolt attaching/detaching apparatus, which is characterized in that including pedestal, side plate, positioning convex platform,
Top shoe and sliding block；
The side plate is fixed on the pedestal, and the side plate is equipped with hole；The positioning convex platform is fixed on the one of the side plate
On side, and it is located at the top in the hole；The top shoe is between the positioning convex platform and the side plate, the top shoe
The side plate described in positioning convex platform effect lower edge moves up and down；
The sliding block is fixed on the pedestal, and the two sides of sliding block and the two sides of the top shoe are located at same erect
In straight plane；The bottom surface of the top shoe is in inclined-plane.
2. railcar car door pair of nut roller bolt attaching/detaching apparatus according to claim 1, which is characterized in that the positioning
Boss includes the first positioning convex platform, the second positioning convex platform, third positioning convex platform, the 4th positioning convex platform；First positioning convex platform,
Second positioning convex platform is located in a vertical straight line, and the third positioning convex platform, the 4th positioning convex platform are located at another perpendicular
On straight straight line；
First positioning convex platform is fixed on the side plate by the first positioning bolt, and second positioning convex platform passes through second
Positioning bolt is fixed on the side plate, and the third positioning convex platform is fixed on the side plate by third positioning bolt, institute
It is fixed on the side plate by the 4th positioning bolt to state the 4th positioning convex platform.
3. railcar car door pair of nut roller bolt attaching/detaching apparatus according to claim 1, which is characterized in that the downslide
The top surface of block is in inclined-plane, and the bottom surface slope of the top surface slope of sliding block and top shoe opposite number each other.
4. railcar car door pair of nut roller bolt attaching/detaching apparatus according to claim 3, which is characterized in that the upper cunning
The bottom of block is equipped with the first groove, the top of the sliding block is equipped with the second groove.
5. railcar car door pair of nut roller bolt attaching/detaching apparatus according to claim 4, which is characterized in that further include behaviour
Make handle, the operation handle is fixed on the side plate by fixing bolt, and the operation handle is respectively positioned on the side plate
The same side of the top shoe.
6. railcar car door pair of nut roller bolt attaching/detaching apparatus according to claim 1, which is characterized in that the hole
Diameter is greater than twice of roller bolt outer diameter.
7. railcar car door pair of nut roller bolt attaching/detaching apparatus according to claim 1, which is characterized in that further include using
In the first positioning hole of installation bearing, the first positioning hole is located on the pedestal.
8. railcar car door pair of nut roller bolt attaching/detaching apparatus according to claim 1, which is characterized in that further include using
In the second location hole of installation bearing, the second location hole is located on the pedestal.
9. railcar car door pair of nut roller bolt attaching/detaching apparatus according to claim 1, which is characterized in that the pedestal
Bottom be equipped with U-type groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821616411.3U CN208906483U (en) | 2018-09-30 | 2018-09-30 | A kind of railcar car door pair of nut roller bolt attaching/detaching apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821616411.3U CN208906483U (en) | 2018-09-30 | 2018-09-30 | A kind of railcar car door pair of nut roller bolt attaching/detaching apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208906483U true CN208906483U (en) | 2019-05-28 |
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ID=66614116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821616411.3U Active CN208906483U (en) | 2018-09-30 | 2018-09-30 | A kind of railcar car door pair of nut roller bolt attaching/detaching apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN208906483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660250A (en) * | 2020-05-18 | 2020-09-15 | 吴玉玲 | Dismounting device for rolling pin of nut pair of subway vehicle door |
-
2018
- 2018-09-30 CN CN201821616411.3U patent/CN208906483U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660250A (en) * | 2020-05-18 | 2020-09-15 | 吴玉玲 | Dismounting device for rolling pin of nut pair of subway vehicle door |
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