CN203973160U - A kind of novel pin pulling out device - Google Patents
A kind of novel pin pulling out device Download PDFInfo
- Publication number
- CN203973160U CN203973160U CN201420381343.2U CN201420381343U CN203973160U CN 203973160 U CN203973160 U CN 203973160U CN 201420381343 U CN201420381343 U CN 201420381343U CN 203973160 U CN203973160 U CN 203973160U
- Authority
- CN
- China
- Prior art keywords
- pin
- out device
- pulling out
- jack
- overcoat
- 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 kind of novel pin pulling out device, comprise pin pulling out device body, pin pulling out device body comprises pin pulling out device body, pin pulling out device body comprises the overcoat of an end opening and is placed in the jack in overcoat with piston rod, on the sidewall of overcoat, be evenly equipped with multiple installing holes, the sidewall of jack is provided with the locating hole of size corresponding to installing hole, and alignment pin passes installing hole and locating hole and jack and removably connects, and is also provided with the fixture that connects bearing pin on piston rod; Use the technical solution of the utility model, by alignment pin is passed to the locating hole on installing hole and the jack sidewall of diverse location, can be using piston rod as fulcrum, progressively extract bearing pin, improve operating efficiency, and can shorten the length of jack, saved cost; By fixed cover and hex nut fixed pin shaft, ensure the stability of the process of pulling pin, improve operating efficiency, ensure security.
Description
Technical field
The utility model relates to coal mine equipment technical field, particularly a kind of novel pin pulling out device.
Background technology
When the hinged large dismounting hinge pin of coal mine hydraulic supporting, difficulty is larger, removal force can reach 40-80 ton, particularly large mining height hydraulic support hole shaft clearance is less, is about about 0.6mm, when overhaul due to reasons such as stressed rear micro-deformation and corrosion and coal slime obstructions, even cannot dismantle, finally even blow with explosive, danger is larger, and structural member damages very serious, both affect operating efficiency, wasted again cost.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of convenient operation person and extracts in time bearing pin, cost-saving novel pin pulling out device.
For achieving the above object, the utility model provides following technical scheme: a kind of novel pin pulling out device, comprise pin pulling out device body, pin pulling out device body comprises the overcoat of an end opening and is placed in the jack in overcoat with piston rod, on the sidewall of overcoat, be evenly equipped with multiple installing holes, the sidewall of jack is provided with the locating hole of size corresponding to installing hole, and alignment pin passes installing hole and locating hole and jack and removably connects, and is also provided with the fixture that connects bearing pin on piston rod.
Preferably, fixture comprises the fixed cover being connected away from jack one end with piston rod and is placed in the hex nut in fixed cover, hex nut and the socket of bearing pin one end, on piston rod sidewall, be also connected with clamping semi-ring, clamp semi-ring inside bottom and be provided with the spring that connects piston rod sidewall, clamp semi-ring and clamp bearing pin near a side of bearing pin.
Preferably, overcoat is provided with cushion block near the end, one end of bearing pin.
Preferably, clamp between semi-ring and overcoat and be removably connected with positioning component.
Adopt the beneficial effect of above technical scheme to be: simple in structure, safe and reliable, on the sidewall of overcoat, be evenly equipped with multiple installing holes, the sidewall of jack is provided with the locating hole of size corresponding to installing hole, alignment pin passes installing hole and locating hole and jack and removably connects, by alignment pin is passed to the locating hole on installing hole and the jack sidewall of diverse location, can be using piston rod as fulcrum, progressively extract bearing pin, improve operating efficiency, and can shorten the length of jack, save cost; Piston rod is provided with the fixture that connects bearing pin, fixture comprises the fixed cover being connected away from jack one end with piston rod and is placed in the hex nut in fixed cover, hex nut and the socket of bearing pin one end, by fixed cover and hex nut fixed pin shaft, ensure the stability of the process of pulling pin, improve operating efficiency, ensured security; On piston rod sidewall, be also connected with clamping semi-ring, clamp semi-ring inside bottom and be provided with the spring that connects piston rod sidewall, clamp semi-ring and clamp bearing pin near a side of bearing pin, being convenient to clamp semi-ring can automatically open in the time stretching out overcoat, energy Automatic-clamping bearing pin while regaining in overcoat, the stability that has further improved the process of pulling pin, has improved operating efficiency, has ensured security; Overcoat is provided with cushion block near the end, one end of bearing pin, in the process of pulling pin, can prop up hydraulic support, has ensured the effect of pulling pin.Improve operating efficiency; Clamp between semi-ring and overcoat and be removably connected with positioning component, in the time clamping in semi-ring withdrawal overcoat, can fit with clamping semi-ring and overcoat respectively, improved security.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of novel pin pulling out device of the utility model.
In figure, be labeled as: 1, overcoat; 2, piston rod; 3, jack; 4, installing hole; 5, locating hole; 6, alignment pin; 7, bearing pin; 8, fixed cover; 9, hex nut; 10, clamp semi-ring; 11, cushion block; 12, hydraulic support; 13, positioning component.
Detailed description of the invention
Describe the preferred embodiment of a kind of novel pin pulling out device of the utility model in detail below in conjunction with accompanying drawing.
Fig. 1 shows the detailed description of the invention of a kind of novel pin pulling out device of the utility model: this novel pin pulling out device, comprise pin pulling out device body, pin pulling out device body comprises the overcoat 1 of an end opening and is placed in the jack 3 in overcoat 1 with piston rod 2, on the sidewall of overcoat 1, be evenly equipped with multiple installing holes, the sidewall of jack 3 is provided with the locating hole 5 of size corresponding to installing hole 4, alignment pin 6 removably connects through installing hole 4 and locating hole 5 and jack 3, by the locating hole 5 that alignment pin 6 is passed on installing hole 4 and the jack sidewall of diverse location, can be using piston rod 2 as fulcrum, progressively extract bearing pin 7, improve operating efficiency, and can shorten the length of jack 3, save cost.
On piston rod 2, be also provided with the fixture that connects bearing pin 7, fixture comprises the fixed cover 8 being connected away from jack 3 one end with piston rod 2 and is placed in the hex nut 9 in fixed cover 8, hex nut 9 and bearing pin 7 one end sockets, by fixed cover 8 and hex nut 9 fixed pin shafts 7, ensure the stability of the process of pulling pin, improve operating efficiency, ensured security.
On piston rod 2 sidewalls, be also connected with and clamp semi-ring 10, clamp semi-ring 10 inside bottom and be provided with the spring that connects piston rod sidewall, clamp semi-ring 10 and clamp bearing pin 7 near a side of bearing pin 7, being convenient to clamp semi-ring 10 can automatically open in the time stretching out overcoat 1, energy Automatic-clamping bearing pin 7 when withdrawal overcoat 1 is interior, the stability that has further improved the process of pulling pin, has improved operating efficiency, has ensured security.
Overcoat 1 is provided with cushion block 11 near the end, one end of bearing pin 7, in the process of pulling pin, can prop up hydraulic support 12, has ensured the effect of pulling pin, and has improved operating efficiency; Clamp between semi-ring 10 and overcoat 1 and be removably connected with positioning component 13, regain overcoat 1 and can fit with clamping semi-ring 10 and overcoat 1 respectively when interior when clamping semi-ring 10, improved security.
Above-described is only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, do not departing under the prerequisite of the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (4)
1. a novel pin pulling out device, comprise pin pulling out device body, it is characterized in that: described pin pulling out device body comprises the overcoat of an end opening and is placed in the jack in overcoat with piston rod, on the sidewall of overcoat, be evenly equipped with multiple installing holes, the sidewall of jack is provided with the locating hole of size corresponding to installing hole, alignment pin passes installing hole and locating hole and jack and removably connects, and is also provided with the fixture that connects bearing pin on piston rod.
2. novel pin pulling out device according to claim 1, it is characterized in that: described fixture comprises the fixed cover being connected away from jack one end with piston rod and is placed in the hex nut in fixed cover, hex nut and the socket of bearing pin one end, on piston rod sidewall, be also connected with clamping semi-ring, clamp semi-ring inside bottom and be provided with the spring that connects piston rod sidewall, clamp semi-ring and clamp bearing pin near a side of bearing pin.
3. novel pin pulling out device according to claim 2, is characterized in that: described overcoat is provided with cushion block near the end, one end of bearing pin.
4. novel pin pulling out device according to claim 3, is characterized in that: between described clamping semi-ring and overcoat, be removably connected with positioning component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381343.2U CN203973160U (en) | 2014-07-11 | 2014-07-11 | A kind of novel pin pulling out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381343.2U CN203973160U (en) | 2014-07-11 | 2014-07-11 | A kind of novel pin pulling out device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203973160U true CN203973160U (en) | 2014-12-03 |
Family
ID=51970644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420381343.2U Expired - Fee Related CN203973160U (en) | 2014-07-11 | 2014-07-11 | A kind of novel pin pulling out device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203973160U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107283153A (en) * | 2017-05-27 | 2017-10-24 | 宁波帅特龙集团有限公司 | A kind of bearing pin pulling attachment and its operating method |
| CN107932419A (en) * | 2017-12-21 | 2018-04-20 | 淮南矿业(集团)有限责任公司 | Hydraulic pressure pin pulling out device and the method pulled pin using the device |
| CN109605271A (en) * | 2018-12-28 | 2019-04-12 | 南京高速齿轮制造有限公司 | Adjustable latch dismounting structure |
-
2014
- 2014-07-11 CN CN201420381343.2U patent/CN203973160U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107283153A (en) * | 2017-05-27 | 2017-10-24 | 宁波帅特龙集团有限公司 | A kind of bearing pin pulling attachment and its operating method |
| CN107932419A (en) * | 2017-12-21 | 2018-04-20 | 淮南矿业(集团)有限责任公司 | Hydraulic pressure pin pulling out device and the method pulled pin using the device |
| CN109605271A (en) * | 2018-12-28 | 2019-04-12 | 南京高速齿轮制造有限公司 | Adjustable latch dismounting structure |
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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 |
Granted publication date: 20141203 Termination date: 20170711 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |