CN202115542U - Safety pin for connection of mining vehicles - Google Patents
Safety pin for connection of mining vehicles Download PDFInfo
- Publication number
- CN202115542U CN202115542U CN2011202123421U CN201120212342U CN202115542U CN 202115542 U CN202115542 U CN 202115542U CN 2011202123421 U CN2011202123421 U CN 2011202123421U CN 201120212342 U CN201120212342 U CN 201120212342U CN 202115542 U CN202115542 U CN 202115542U
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- CN
- China
- Prior art keywords
- hook
- latch hook
- safety pin
- draw ring
- latch
- 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 discloses a safety pin for connection of mining vehicles, which comprises a bolt, a locking mechanism and a pull ring. One end of the bolt is fixedly connected with the locking mechanism, and the pull ring is arranged on the locking mechanism. The safety pin for connection of mining vehicles has the advantages that the safety pin is simple in structure, safe, reliable, simple and convenient in pin releasing, simple in operation, low in manufacturing cost, less in modification of mining vehicles, high in adaptability and the like.
Description
Technical field
The utility model relates to a kind of mine car, is specifically related to a kind of mine car bunching and uses safety pin.
Background technology
In actual production, the sliding train in inclined lane accident accounts for the first place of mine shipping accident, wherein because the derailing accident that is caused that comes off voluntarily of bunching connecting pin accounts for 60% of whole derailing accident.So the anticreep measure of connecting device is to guarantee that first of security improvement closes, and also is a most important pass.Clearly stipulate " inclined gallery promote the necessary anticreep of connecting device " in " safety regulations in coal mine ".Existing mine car standard security pin is to lean on lateral pin on the latch to be screwed in the plug helix of mine car plug housing to realize the locking pin function.But when using this standard security pin, each latch all must rotate to an angle by manual work with pulling pin, and operation is extremely inconvenient, and is difficult to realize the automation decoupling device, and efficient is low, and it is powerful to work.
For this reason, multiple safety pin with certain automatic releasing hook function is developed.For example, patent No. ZL93233183.1 discloses a kind of " Safety for mine car night bolt ", and it is to adopt in the safety box to install claw and cooperate pull bar to realize self-locking and automatic releasing hook ability; Patent No. ZL200620009494.0 discloses a kind of " tiltedly draw and promote the automatic releasing hook lockweight ", and it is to utilize the knife-edge forced locking device to carry out the locking pin function, and it is out of stock automatically to utilize the chain haulage effect to realize.And for example, patent No. ZL200920025375.8 discloses " a kind of mine car is used latch ", has adopted " hook head pin-key-retainer-draw ring " formula structure to realize self-locking and automatic out of stock function.In addition, also have disclosed multi-form mine cars such as patent No. ZL94236191.1, patent No. ZL96211718.8, patent No. ZL200420079169.2 to use safety pin.
Above-mentioned mine car is with safety pin or complex structure or safe reliability is lower or mine car is changed big or complicated operation when using, still do not satisfy well simple in structure, self-locking reliable, be convenient to that automation is out of stock, cost is low and to field application requirements such as the mine car structural modification are few.
The utility model content
The utility model is in order to solve weak point of the prior art, provide a kind of simple in structure, self-locking reliable, be convenient to that automation is out of stock, low cost of manufacture, mine car bunching few to the mine car structural modification, that applicability is strong are used safety pin.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: the mine car bunching is used safety pin, comprises latch, catch gear and draw ring, and said latch one end is captiveed joint with catch gear, and draw ring is located on the catch gear.
Said catch gear comprises the T type lock hook seat that is made up of transverse part and vertical part, and vertical part one end is captiveed joint with transverse part central authorities, and the vertical part other end is captiveed joint with latch one end; The transverse part two ends are hinged with structure identical left latch hook and right latch hook respectively; Left side latch hook and right latch hook lower end are equipped with a plain hook relatively, and plain hook is positioned at the below, vertical part, is provided with the through hole of parallel axes in transverse part in the vertical part; Connect through an extension spring that is located in the through hole between left side latch hook and the right latch hook; Draw ring is provided with two, and one of them draw ring is located at the left end of left latch hook, and another draw ring is located at the right-hand member of right latch hook.
Said left latch hook and right latch hook all bend setting in the transverse part hinged place with T type lock hook seat, and the angle that is bent to form is the obtuse angle.
The angle at said obtuse angle is 135 °.
Adopt technique scheme, have following beneficial effect:
1. simple in structure, safe and reliable.Directly be articulated in the left latch hook of lock hook seat, right latch hook and latch with pin and realize being connected and self-locking of mine car bunching, required part is few, and is simple in structure, significantly reduced the potential safety hazard point; In addition; Have double self-locking function, extension spring can realize the pulling force self-locking, and the weight of left latch hook and right latch hook self can realize gravity self-locking; Thereby avoided greatly improving the safe reliability of safety pin self-locking because accidentalia such as extension spring inefficacy, fracture cause out of stock possibility.
2. out of stock easy, simple to operate.When out of stock, only need lift two draw rings on left latch hook, the right latch hook with a certain size external force, overcome tension spring tension with (or) bending arm deadweight on the latch hook, but just release continue to lift, just can be out of stock, out of stock convenience, simple to operate.
3. low cost of manufacture, applicability is strong.The utility model need not special processing parts, can directly utilize other parts such as existing standard pin rod (removing two ears) and lock hook seat simply to assemble low cost of manufacture; During use, both can be directly installed on the original plug housing of mine car (only need install lock ring additional), and also can be installed in special-purpose plug housing (need add load onto special-purpose plug housing for the mine car of no plug housing), mine car is changed less, applicability is strong.
Description of drawings
Fig. 1 is the mounting structure scheme drawing of the utility model.
The specific embodiment
As shown in Figure 1, the mine car bunching of the utility model is used safety pin, comprises latch 1, catch gear, draw ring 2 and draw ring 3, and an end of latch 1 is captiveed joint with catch gear, and draw ring 2 is located on the catch gear with draw ring 3.Catch gear comprises the T type lock hook seat 6 that is made up of transverse part 4 and vertical part 5; Vertical part 5 one ends and transverse part 4 are central captives joint, and vertical part 5 other ends are captiveed joint with latch 1 one ends, and transverse part 4 two ends are hinged with structure identical left latch hook 7 and right latch hook 8 through a bearing pin 13 respectively; Left side latch hook 7 is respectively equipped with plain hook 9 and plain hook 10 relatively with right latch hook 8 lower ends; Plain hook 9 is positioned at the below, vertical part with plain hook 10, is provided with the through hole 11 of parallel axes in transverse part 4 in the vertical part 5, connects through an extension spring 12 that is located in the through hole 11 between left latch hook 7 and the right latch hook 8; Draw ring 2 is located at the left end of left latch hook 7, and draw ring 3 is located at the right-hand member of right latch hook 8.Left side latch hook 7 all bends setting with transverse part 4 hinged places of right latch hook 8 and T type lock hook seat 6, is bent to form obtuse angle A, and the angle of obtuse angle A is 135 °, and this makes when upwards spurring draw ring 2 with draw ring 3, the little purpose that can reach release of more laborsaving and pull distance.
When work is used; Be inserted in latch 1 on the standard plug housing of mine car band draw-in groove; Circular shackle concordant of plug housing cylindrical welding with the plug housing upper surface; Plain hook 9 on the latch hook 7 of a left side under the effect of extension spring 12, has been realized the self-locking of safety pin after hooking the circular shackle on the standard plug housing with the plain hook 10 on the right latch hook 8.During release, upwards spur draw ring 2 and draw ring 3 with external force, overcome extension spring 12 with (or) the power effect of left latch hook 7,8 deadweights of right latch hook, plain hook 9 and plain hook 10 are just from the shackle disengagement of plug housing.Upwards lift latch 1 then, latch 1 is extracted from plug housing fully, accomplish out of stock process.
For the special-purpose plug housing of mine car in the welding of original pin hole coaxial line, this special-purpose plug housing is the sleeve of a band bulge loop, and its internal diameter is slightly larger than or equals the pin hole with mine car.Latch 1 inserts in the pin hole of special-purpose plug housing, and the plain hook 9 on the left latch hook 7 and the plain hook 10 on the right latch hook 8 hook the sleeve of the band bulge loop on the special-purpose plug housing, under the effect of extension spring 12, realize self-locking, releasing process identical with on the standard plug housing.
Claims (4)
1. the mine car bunching is used safety pin, comprises latch, catch gear and draw ring, it is characterized in that: said latch one end is captiveed joint with catch gear, and draw ring is located on the catch gear.
2. mine car bunching according to claim 1 is used safety pin, it is characterized in that: said catch gear comprises the T type lock hook seat that is made up of transverse part and vertical part, and vertical part one end is captiveed joint with transverse part central authorities; The vertical part other end is captiveed joint with latch one end, and the transverse part two ends are hinged with structure identical left latch hook and right latch hook respectively, and left latch hook and right latch hook lower end are equipped with a plain hook relatively; Plain hook is positioned at the below, vertical part; Be provided with the through hole of parallel axes in transverse part in the vertical part, connect through an extension spring that is located in the through hole between left latch hook and the right latch hook, draw ring is provided with two; One of them draw ring is located at the left end of left latch hook, and another draw ring is located at the right-hand member of right latch hook.
3. mine car bunching according to claim 2 is used safety pin, it is characterized in that: said left latch hook and right latch hook all bend setting in the transverse part hinged place with T type lock hook seat, and the angle that is bent to form is the obtuse angle.
4. mine car bunching according to claim 3 is used safety pin, it is characterized in that: the angle at said obtuse angle is 135 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202123421U CN202115542U (en) | 2011-06-22 | 2011-06-22 | Safety pin for connection of mining vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202123421U CN202115542U (en) | 2011-06-22 | 2011-06-22 | Safety pin for connection of mining vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202115542U true CN202115542U (en) | 2012-01-18 |
Family
ID=45456628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202123421U Expired - Fee Related CN202115542U (en) | 2011-06-22 | 2011-06-22 | Safety pin for connection of mining vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202115542U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457582A (en) * | 2018-12-21 | 2019-03-12 | 合肥佳恩特机械制造有限公司 | A kind of telescopic spreading machine frame |
| CN111927762A (en) * | 2020-09-03 | 2020-11-13 | 李春城 | Bidirectional plunger hydraulic pump |
-
2011
- 2011-06-22 CN CN2011202123421U patent/CN202115542U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457582A (en) * | 2018-12-21 | 2019-03-12 | 合肥佳恩特机械制造有限公司 | A kind of telescopic spreading machine frame |
| CN111927762A (en) * | 2020-09-03 | 2020-11-13 | 李春城 | Bidirectional plunger hydraulic pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20120622 |