CN202192405U - Hydraulic automatic pin pulling device - Google Patents
Hydraulic automatic pin pulling device Download PDFInfo
- Publication number
- CN202192405U CN202192405U CN2011201790860U CN201120179086U CN202192405U CN 202192405 U CN202192405 U CN 202192405U CN 2011201790860 U CN2011201790860 U CN 2011201790860U CN 201120179086 U CN201120179086 U CN 201120179086U CN 202192405 U CN202192405 U CN 202192405U
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- Prior art keywords
- piston rod
- pin
- cylinder
- pin pulling
- pulling
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- Expired - Fee Related
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- 238000000926 separation method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 239000012530 fluid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Abstract
The utility model discloses a hydraulic automatic pin pulling device, which comprises a supporting cylinder body, a pin pulling cylinder body, a supporting cylinder piston rod, a pin pulling cylinder piston rod and a bolt connector; the pin pulling cylinder body is arranged in the supporting cylinder body, and the supporting cylinder body and the pin pulling cylinder body are concentrically nested and assembled; the piston rod of the supporting cylinder adopts a closed hollow shaft design, the piston rod of the pin pulling cylinder is arranged inside the piston rod of the supporting cylinder, and the piston rod of the pin pulling cylinder and the piston rod of the supporting cylinder are concentrically nested and assembled; the top end of the piston rod of the pin pulling cylinder is provided with a bolt connector which is connected with the pin shaft; the hydraulic automatic pin pulling device is arranged on the bearing support base, the height of the bearing support base is adjustable, the hydraulic automatic pin pulling device is connected with a hydraulic station, and the hydraulic station is provided with a hydraulic control system. The device has the advantages of reasonable structure, convenient use, safety, reliability and large tension force, and solves the problems of troublesome, time-consuming, labor-consuming and unsafe manual hammering of the original workers.
Description
Technical field
The utility model relates to and is applied to the automatic pin pulling out device of a kind of hydraulic pressure that mine hydraulic bracket and main equipment alignment pin are extracted, and uses this device easily bearing pin to be extracted.
Background technology
The coal-face hydraulic support relies on highly pressurised liquid, column and corresponding power jack to realize crane, pushing and sliding and move four elemental motions of frame, and the connection of each moving-member adopts bearing pin to connect more.Because large hydraulic support volume weight is bigger, can't go into the well on the whole, therefore must go into the well on the split ability.So just relate to the various connecting link pin work on the dismounting hydraulic support, some bearing pins are bigger, and remove relatively effort through long-term use.Cause the maintenance work task of support to increase the weight of thus, this has brought very big labour intensity certainly will for the maintenance work of hydraulic pressure support and maintenance, and operating safety factor is not high yet.
The utility model content
The purpose of the utility model provides the automatic pin pulling out device of a kind of convenient and reliable hydraulic pressure.
The purpose of the utility model realizes through following technical scheme:
The automatic pin pulling out device of the hydraulic pressure of the utility model comprises the shoring cylinder body, the cylinder cylinder body of pulling pin, shoring piston rod, the cylinder piston rod of pulling pin, Bolt Connector; The cylinder cylinder body of pulling pin is located at the shoring cylinder interior, the shoring cylinder body and the cylinder cylinder body nested, concentric assembling of pulling pin; The shoring piston rod adopts closed hollow shaft design, and it is inner that the cylinder piston rod of pulling pin is located at the shoring piston rod, cylinder piston rod and the shoring piston rod nested, concentric of pulling pin assembling; The pull pin top of cylinder piston rod is provided with Bolt Connector, and Bolt Connector connects with bearing pin; The automatic pin pulling out device of hydraulic pressure is located at and carries on the base for supporting, carries the adjustable height of base for supporting, and the automatic pin pulling out device of hydraulic pressure is connected with Hydraulic Station, and Hydraulic Station is provided with hydraulic control system.
Technical scheme by above-mentioned the utility model provides can be found out, the automatic pin pulling out device of the described hydraulic pressure of the utility model is rational in infrastructure; Easy to use; Safe and reliable, can realize automatic tension, the function that tightening force is big, solved that the artificial hammering of original workman is bothersome, time-consuming, effort, unsafe problem; Reduce post workman's workload, reduced investment.
Description of drawings
Fig. 1 is the automatic pin pulling out device structural representation of hydraulic pressure;
Fig. 2 is that the automatic pin pulling out device of hydraulic pressure is connected sketch map with Hydraulic Station;
Fig. 3 is the Bolt Connector structural representation;
Fig. 4 is a bolt sleeve structural representation;
Fig. 5 is the sleeve structural representation.
The specific embodiment
The automatic pin pulling out device of the hydraulic pressure of the utility model; The specific embodiment that it is preferable such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, the automatic pin pulling out device of hydraulic pressure comprise shoring cylinder body 1, the cylinder cylinder body 2 of pulling pin, shoring piston rod 3, pull pin cylinder piston rod 4 and Bolt Connector 5.
The cylinder cylinder body 2 of pulling pin is located at shoring cylinder body 1 inside, the shoring cylinder body 1 and the cylinder cylinder body 2 nested, concentric assembling of pulling pin.
Shoring piston rod 3 adopts closed hollow shaft design, and the cylinder piston rod 4 of pulling pin is located at shoring piston rod 3 inside, cylinder piston rod and the shoring piston rod nested, concentric of pulling pin assembling.
The pull pin top of cylinder piston rod 4 is provided with internal thread hole, is connected with Bolt Connector 5 through internal thread.
The automatic pin pulling out device of hydraulic pressure is installed in and carries on the base for supporting 6, carries the adjustable height of base for supporting 6, and the automatic pin pulling out device of hydraulic pressure connects with Hydraulic Station 18.
The automatic pin pulling out device of the hydraulic pressure of the utility model is mainly used a kind of device that mine hydraulic bracket and main equipment alignment pin are extracted, and it has following innovative point:
The automatic pin pulling out device of hydraulic pressure adopts the assembling of double hydraulic cylinder cylinder body nested, concentric, and is simple in structure, saves the space, easy to use, can from equipment, extract bearing pin is disposable.
The automatic pin pulling out device shoring of hydraulic pressure piston rod adopts hollow shaft to install, and plays the effect of supporting and protecting the cylinder piston rod of pulling pin simultaneously.
The double hydraulic cylinder piston rod of the automatic pin pulling out device of hydraulic pressure adopts closed nested, concentric to install, and has guaranteed the stability of pin pulling out device in running.
The automatic pin pulling out device of hydraulic pressure adopts the special bolt connector, and Bolt Connector adopts the hydraulic quick coupler mode to connect with bearing pin, has guaranteed the versatility of pin pulling out device.
Further specify below in conjunction with the operation principle of accompanying drawing the automatic pin pulling out device of hydraulic pressure:
During use; Earlier with the automatic pin pulling out device of hydraulic pressure its centre-height of position adjustment according to the equipment bearing pin of dismantling; Hydraulic Station gets into the cylinder of pulling pin at hydraulic control system effect downforce oil from hydraulic fluid port 9; The cylinder piston rod 4 of under the effect of control oil, pulling pin stretches out, and reaches range and stops, and the automatic pin pulling out device of hydraulic pressure links up through Bolt Connector 5 and bearing pin then; Hydraulic Station gets into shoring at hydraulic control system effect downforce oil from hydraulic fluid port 7; Shoring piston rod 3 stretches out under the effect of control oil, reaches range and stops, and the stroke of shoring piston rod 3 is greater than 20 millimeters of the strokes of the cylinder piston rod of pulling pin; And the aperture of shoring piston 3 is bigger 6 millimeters than the external diameter of Bolt Connector; The top that guarantees the shoring piston rod contacts with the equipment end face, and thrust is provided, and is then that the carrying base for supporting 6 of the automatic pin pulling out device of hydraulic pressure is fixing; After the fixation, shoring shoring piston rod 3 under the effect of control oil keeps original position; Control oil gets into the cylinder of pulling pin from hydraulic fluid port 10 then, and the cylinder piston rod 4 of pulling pin is shunk, and drives Bolt Connector 5 and shrinks; Bolt Connector 5 connects with bearing pin; Thereby can extract bearing pin is disposable down in the effect of control oil pressure, to feed control from oil-in 8 oily for hydraulic system after bearing pin was extracted, and the shoring piston rod is contracted to original position; Then bearing pin is removed, this moment, the whole process of pulling pin was accomplished.
The beneficial effect of the utility model is:
Rational in infrastructure, easy to use, safe and reliable, can realize automatic tension, the function that tightening force is big.
Solved that the artificial hammering of original workman is bothersome, time-consuming, effort, unsafe problem.
Reduce post workman's workload, reduced investment.
The equipment simple installation, easy to operate.
The above; Be merely the preferable specific embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.
Claims (5)
1. automatic pin pulling out device of hydraulic pressure; It is characterized in that the automatic pin pulling out device of said hydraulic pressure comprises the shoring cylinder body, the cylinder cylinder body of pulling pin, shoring piston rod, pull pin cylinder piston rod and Bolt Connector, the top of the said cylinder piston rod of pulling pin is provided with Bolt Connector; Said Bolt Connector connects with bearing pin; The automatic pin pulling out device of said hydraulic pressure is located at and carries on the base for supporting, the adjustable height of said carrying base for supporting, and the automatic pin pulling out device of said hydraulic pressure is connected with Hydraulic Station.
2. the automatic pin pulling out device of hydraulic pressure according to claim 1 is characterized in that, the said cylinder cylinder body of pulling pin is located at the shoring cylinder interior, said shoring cylinder body and the said cylinder cylinder body nested, concentric assembling of pulling pin.
3. the automatic pin pulling out device of hydraulic pressure according to claim 1; It is characterized in that; Said shoring piston rod adopts closed hollow shaft design, and it is inner that the said cylinder piston rod of pulling pin is located at the shoring piston rod, said shoring piston rod and the said cylinder piston rod nested, concentric assembling of pulling pin.
4. the automatic pin pulling out device of hydraulic pressure according to claim 1 is characterized in that said Bolt Connector comprises sleeve, separation pad, connecting bolt and connector.
5. the automatic pin pulling out device of hydraulic pressure according to claim 1 is characterized in that the top of the said cylinder piston rod of pulling pin is provided with internal thread hole, and the said cylinder piston rod of pulling pin is connected through internal thread with said Bolt Connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201790860U CN202192405U (en) | 2011-05-30 | 2011-05-30 | Hydraulic automatic pin pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201790860U CN202192405U (en) | 2011-05-30 | 2011-05-30 | Hydraulic automatic pin pulling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202192405U true CN202192405U (en) | 2012-04-18 |
Family
ID=45947336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201790860U Expired - Fee Related CN202192405U (en) | 2011-05-30 | 2011-05-30 | Hydraulic automatic pin pulling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202192405U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328197A (en) * | 2011-05-30 | 2012-01-25 | 泰安力博机电科技有限公司 | Hydraulic automatic pin pulling device |
| CN111673673A (en) * | 2020-06-29 | 2020-09-18 | 广西玉柴机器股份有限公司 | Electrical control type pin pulling device |
-
2011
- 2011-05-30 CN CN2011201790860U patent/CN202192405U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328197A (en) * | 2011-05-30 | 2012-01-25 | 泰安力博机电科技有限公司 | Hydraulic automatic pin pulling device |
| CN111673673A (en) * | 2020-06-29 | 2020-09-18 | 广西玉柴机器股份有限公司 | Electrical control type pin pulling device |
| CN111673673B (en) * | 2020-06-29 | 2024-03-29 | 广西玉柴机器股份有限公司 | Electrical control type pin pulling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LIBO HEAVY MACHINE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: TAI'AN LIBO MECHANICAL TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 271000 Shandong city of Tai'an Province in the new North Main Street West Tianmen Patentee after: Libo Heavy Machine Technology Co., Ltd. Address before: 271000 Shandong city of Tai'an Province in the new North Main Street West Tianmen Patentee before: Tai'an Libo Mechanical Technology Co., Ltd. |
|
| 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: 20120418 Termination date: 20200530 |