CN203888677U - Back-lock-type hinge locking device of rear box door of dumper - Google Patents
Back-lock-type hinge locking device of rear box door of dumper Download PDFInfo
- Publication number
- CN203888677U CN203888677U CN201420266702.XU CN201420266702U CN203888677U CN 203888677 U CN203888677 U CN 203888677U CN 201420266702 U CN201420266702 U CN 201420266702U CN 203888677 U CN203888677 U CN 203888677U
- Authority
- CN
- China
- Prior art keywords
- door hinge
- hinge pin
- back door
- nut
- locking device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a back-lock-type hinge locking device of a rear box door of a dumper. The back-lock-type hinge locking device comprises a rear door hinge pin, a gasket, an inner-side nut, an outer-side nut, an elastic cylindrical pin, a lubricating grease nozzle, a rear door hinge pin fixing seat and a rear door hinge arm, the rear door hinge pin fixing seat is fixedly mounted on a side plate of a dumper box, the rear door hinge arm is fixedly mounted on the rear box door, the rear door hinge arm and the rear door hinge pin fixing seat are provided with connecting holes correspondingly and connected by the rear door hinge pin through the connecting holes, the gasket, the inner-side nut, the outer-side nut and the elastic cylindrical pin are mounted sequentially on the outer side of the rear door hinge pin, a threaded hole of the inner-side nut is positioned in the center of the inner-side nut, and a threaded hole of the outer-side nut is not positioned in the center of the outer-side nut. Depending on conical surface locking when the two eccentric nuts are tightened, the elastic cylindrical pin penetrates the lower side of the rear door hinge pin, impact, on the rear door hinge pin, by cargo can be effectively resisted, and the back-lock-type hinge locking device is reliable in performance.
Description
Technical field
The utility model belongs to latching device technical field, is specifically related to a kind of back of the body locking-type hinge locking device for body of tipper carriage rear cargo door.
Background technology
At present, after dumping car on market, chamber door S. A. locking form adopts nut to coordinate spring cotter or packing ring to coordinate the forms such as spring cotter more, spring cotter intensity a little less than, in the process of driving sometimes because of condition of road surface is poor or when sudden stop compartment significantly beat and cause spring cotter fracture, until breast board comes off behind compartment, cause larger potential safety hazard.Therefore, a kind of sensitive, reliable lock, robust novel rear chamber door S. A. latching device opened of market demand.
Summary of the invention
The above-mentioned technical matters existing in order to overcome prior art field, the purpose of this utility model is, chamber door back of the body locking-type hinge locking device after a kind of dumping car is provided, and improves the reliability of dumping car driving process, avoids potential safety hazard.
Chamber door back of the body locking-type hinge locking device after the dumping car that the utility model provides, it comprises back door hinge pin, packing ring, inner screw nut, outboard nut, elastic cylindrical pin, lubrication adapter, back door hinge pin permanent seat and back door hinge arm, described back door hinge pin permanent seat is fixedly mounted on the side plate of railway carriage, described back door hinge arm is fixedly mounted on rear chamber door, described back door hinge arm and back door hinge pin permanent seat correspondence are provided with connecting bore, back door hinge pin connects both by both connecting bores, back door hinge pin outside is provided with packing ring successively, inner screw nut, outboard nut, elastic cylindrical pin, the tapped bore of described inner screw nut is positioned at nut center, the tapped bore of outboard nut is not or not nut center.
Chamber door back of the body locking-type hinge locking device after dumping car, described back door hinge pin permanent seat comprises two parallel adapter plates, between two adapter plates, is provided with slot, back door hinge arm is plugged in the slot of back door hinge pin permanent seat; Described inner screw nut and outboard nut are provided with cone match face; Described elastic cylindrical pin is arranged on the downside of back door hinge pin; The tail end of described back door hinge pin is provided with lubrication adapter.
Chamber door back of the body locking-type hinge locking device after the dumping car that the utility model provides, conical surface locking while relying on two eccentric nuts to tighten, additional back door hinge pin downside, through elastic cylindrical pin, can effectively be resisted the impact of goods to back door hinge pin, dependable performance, has effectively avoided potential safety hazard.
Brief description of the drawings
Fig. 1 is the integral structure schematic diagram of an embodiment of the utility model;
Fig. 2 is the connection diagram of back door hinge pin permanent seat and back door hinge arm.
In figure, mark:
1. back door hinge pin; 2. packing ring; 3. inner screw nut; 4. outboard nut; 5. elastic cylindrical pin; 6. lubrication adapter; 7. back door hinge pin permanent seat; 8. back door hinge arm; 9. adapter plate.
Detailed description of the invention
With reference to the accompanying drawings, in conjunction with an embodiment, after the dumping car that the utility model is provided, chamber door back of the body locking-type hinge locking device is described in detail.
Embodiment
With reference to Fig. 1-Fig. 2, chamber door back of the body locking-type hinge locking device after the dumping car of the present embodiment, it comprises back door hinge pin 1, packing ring 2, inner screw nut 3, outboard nut 4, elastic cylindrical pin 5, lubrication adapter 6, back door hinge pin permanent seat 7 and back door hinge arm 8, described back door hinge pin permanent seat 7 is fixedly mounted on the side plate of railway carriage, described back door hinge arm 8 is fixedly mounted on rear chamber door, described back door hinge pin permanent seat 7 comprises two parallel adapter plates 9, between two adapter plates, be provided with slot, back door hinge arm 8 is plugged in the slot of back door hinge pin permanent seat.Described back door hinge arm 8 and back door hinge pin permanent seat 7 both correspondences are provided with connecting bore, while locking, back door hinge pin 1 connects both by both connecting bores, packing ring 2, inner screw nut 3, outboard nut 4, elastic cylindrical pin 5 is installed successively in link pin outside afterwards and is fixed.
Chamber door back of the body locking-type hinge locking device after dumping car, described inner screw nut and outboard nut are provided with cone match face, and the downside of back door hinge pin arranges elastic cylindrical pin, reliable lock; The tail end of described back door hinge pin is provided with lubrication adapter, can be lubricated back door hinge pin, extends the service life of back door hinge pin.
Claims (5)
1. chamber door back of the body locking-type hinge locking device after a dumping car, it is characterized in that: it comprises back door hinge pin, packing ring, inner screw nut, outboard nut, elastic cylindrical pin, lubrication adapter, back door hinge pin permanent seat and back door hinge arm, described back door hinge pin permanent seat is fixedly mounted on the side plate of railway carriage, described back door hinge arm is fixedly mounted on rear chamber door, described back door hinge arm and back door hinge pin permanent seat correspondence are provided with connecting bore, back door hinge pin connects both by both connecting bores, back door hinge pin outside is provided with packing ring successively, inner screw nut, outboard nut, elastic cylindrical pin, the tapped bore of described inner screw nut is positioned at nut center, the tapped bore of outboard nut is not or not nut center.
2. chamber door back of the body locking-type hinge locking device after dumping car according to claim 1, it is characterized in that: described back door hinge pin permanent seat comprises two parallel adapter plates, between two adapter plates, be provided with slot, back door hinge arm is plugged in the slot of back door hinge pin permanent seat.
3. chamber door back of the body locking-type hinge locking device after dumping car according to claim 1, is characterized in that: described inner screw nut and outboard nut are provided with cone match face.
4. chamber door back of the body locking-type hinge locking device after dumping car according to claim 1, is characterized in that: described elastic cylindrical pin is arranged on the downside of back door hinge pin.
5. chamber door back of the body locking-type hinge locking device after dumping car according to claim 1, is characterized in that: the tail end of described back door hinge pin is provided with lubrication adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420266702.XU CN203888677U (en) | 2014-05-23 | 2014-05-23 | Back-lock-type hinge locking device of rear box door of dumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420266702.XU CN203888677U (en) | 2014-05-23 | 2014-05-23 | Back-lock-type hinge locking device of rear box door of dumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203888677U true CN203888677U (en) | 2014-10-22 |
Family
ID=51715121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420266702.XU Expired - Fee Related CN203888677U (en) | 2014-05-23 | 2014-05-23 | Back-lock-type hinge locking device of rear box door of dumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203888677U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2018204602B2 (en) * | 2017-07-26 | 2020-02-27 | Oregon Tool, Inc. | Blade pin and associated cutting element |
| CN117227856A (en) * | 2023-11-13 | 2023-12-15 | 山东德瑞矿山机械有限公司 | Connecting structure of self-unloading wagon box and chassis of underground mine truck |
-
2014
- 2014-05-23 CN CN201420266702.XU patent/CN203888677U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2018204602B2 (en) * | 2017-07-26 | 2020-02-27 | Oregon Tool, Inc. | Blade pin and associated cutting element |
| CN117227856A (en) * | 2023-11-13 | 2023-12-15 | 山东德瑞矿山机械有限公司 | Connecting structure of self-unloading wagon box and chassis of underground mine truck |
| CN117227856B (en) * | 2023-11-13 | 2024-01-26 | 山东德瑞矿山机械有限公司 | Connecting structure of self-unloading wagon box and chassis of underground mine truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 |