CN108687711A - A kind of mining bracket hydraulic pin remover - Google Patents
A kind of mining bracket hydraulic pin remover Download PDFInfo
- Publication number
- CN108687711A CN108687711A CN201810627641.8A CN201810627641A CN108687711A CN 108687711 A CN108687711 A CN 108687711A CN 201810627641 A CN201810627641 A CN 201810627641A CN 108687711 A CN108687711 A CN 108687711A
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- piston rod
- rod
- pull rod
- hollow piston
- rear end
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- 238000005065 mining Methods 0.000 title claims abstract description 29
- 238000000605 extraction Methods 0.000 claims abstract description 18
- 238000002955 isolation Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
The present invention relates to mining equipment technical fields, provide a kind of mining bracket hydraulic pin remover, including the extraction hydraulic cylinder and support device removably fitted together;It includes cylinder body to extract hydraulic cylinder, and cylinder body inner seal sleeve is equipped with hollow piston rod, and the rear end of cylinder body is removably secured equipped with guiding end cap;Pull rod is arranged in hollow piston rod, back end of tie rod portion is equipped with pull rod adjusting apparatus, and the rear end of pull rod, which is twisted, is equipped with stop nut, and the front end of pull rod, which is twisted, is equipped with pull head, and the power output end of pull head is equipped with external screw thread;Support device includes being removably mounted on the support base of cylinder body front end, and sliding is equipped with the inside curved support plate of at least two openings in support base.Mining bracket hydraulic pin remover provided by the invention, it is easy to carry, easy to use, pull pin it is efficient, applied widely, convenient for promote and use.
Description
Technical field
The present invention relates to mining equipment technical field more particularly to a kind of mining bracket hydraulic pin removers.
Background technology
Mining high working face hydraulic support use is increasingly extensive, along with the increase of mining height, hydraulic support stand height, work
Resistance, single rack weight are also higher and higher, then pedestal and link connector pin axis, caving shield and link connector pin axis, caving shield with
The size of top beam connecting link pin is also increasing, when holder needs gug overhaul or underground is overhauled, the dismounting work of large-scale axis pin
Make most manually brute-force, removal efficiency is low, and security risk is big, is the key link for perplexing hydraulic support and smoothly disintegrating, and pass through
Cross long-term use and remove that comparison is hard, the task of holder maintenance work is thus caused to aggravate, to detaching hydraulic support and
Repair brings prodigious labor intensity.
Invention content
The purpose of the present invention is to provide a kind of easy to carry, easy to use, efficient and high safety coefficient mines of pulling pin
With bracket hydraulic pin removal.
The invention is realized in this way a kind of mining bracket hydraulic pin remover, including what is removably fitted together are pulled out
Go out hydraulic cylinder and support device;
The extraction hydraulic cylinder includes cylinder body, and the cylinder body inner seal sleeve is equipped with hollow piston rod, the rear end of the cylinder body
It is removably secured equipped with end cap is oriented to, the guiding end cap is sheathed on the hollow piston rod, the hollow piston rod
Back segment peripheral surface is equipped with the sliding slot extended along its axial screw, and the inner wall for being oriented to end cap is equipped with compatible therewith lead
To slide unit, the hollow piston rod can the extending direction of sliding slot described in the driving lower edge of external hydraulic station move back and forth;
Be arranged with pull rod in the hollow piston rod, the back end of tie rod portion be equipped with for adjust the pull rod relative to
The pull rod adjusting apparatus of the hollow piston rod extension elongation, the rear end of the pull rod, which is twisted, is equipped with stop nut, the pull rod
Front end passes through the support device, and removably twists and be equipped with pull head, and the power output end of the pull head is equipped with external screw thread;
The support device includes being removably mounted on the support base of the cylinder body front end, before the support base
At least two T shape sliding slots, T shapes sliding slot the extending centrally out along the support base, the branch are laid on end face
Sliding is equipped with the inside curved support plate of at least two openings, axis and the pull rod of the curved support plate on support group seat
Axis collinear is arranged, and is equipped at the mounting portion of curved support plate rear end and is adapted T shape slide units, the T with the T shapes sliding slot
The sliding of shape slide unit is embedded in the T shapes sliding slot, is twisted on the T shapes slide unit and is equipped with trip bolt, the inner end of the trip bolt
On the slot bottom for acting against the T shapes sliding slot.
As an improvement scheme, the stage casing peripheral surface of the hollow piston rod is equipped with close with the inner wall of the cylinder body
The isolation boss of adaptation is sealed, the front cavity that the front end face of the isolation boss is located in the cylinder body is to extract hydraulic cavities, institute
It states extraction hydraulic cavities by external connector to be connected with external hydraulic station, the back segment of the hollow piston rod is arranged with compression bullet
Spring, the rotation direction of the compressed spring is identical as the rotation direction of the sliding slot, and it is convex that the front end of the compressed spring acts against the isolation
On the rear end face of platform, the rear end of the compressed spring acts against the front end for being oriented to end cap.
As an improvement scheme, the pull rod adjusting apparatus include at least two successively screw thread socket adjusting screw threads
Set, after the front end of the adjusting thread bush of front end is detachably inserted into the hollow piston rod by axis pin
End, on the front end face that the rear end of the adjusting thread bush of rearmost end acts against the stop nut.
As an improvement scheme, the pull rod adjusting apparatus includes the adjusting pad of at least two plug connections successively
Block, the adjustment cushion block C-shaped in configuration, and its rear and front end face is respectively equipped with slot that is compatible and radially extending
And slotting platform, the adjustment cushion block are removably arranged on the pull rod, the front end for being located at the adjustment cushion block of front end is logical
The rear end that spacer pin is detachably inserted into the hollow piston rod is crossed, is abutted against positioned at the rear end of the adjustment cushion block of rearmost end
On the front end face of the stop nut.
As an improvement scheme, the front ends of all curved support plates couples also by T shapes slide unit-T shape sliding slots
Form, common cunning can be slidably embedded on annular pressure seat, offered on the rear and front end face of the annular pressure seat
T shapes sliding slot compatible with the T shapes slide unit.
As an improvement scheme, the extraction hydraulic cylinder further includes pull rod extension rod, before the pull rod extension rod
End can couple with the rear end thread connection of the pull rod, the rear end of the pull rod extension rod with the stop nut.
As an improvement scheme, the extraction hydraulic cylinder further includes piston rod extension rod, the piston rod extension rod
Internal-and external diameter for hollow-core construction, the piston rod extension rod is identical as the internal-and external diameter of the hollow piston rod respectively, the piston
The rear end of extension rod can be threadedly coupled with the forward end seal of the hollow piston rod.
As an improvement scheme, the cylinder body be equipped with handle.
By adopting the above-described technical solution, beneficial effects of the present invention are as follows:
Mining bracket hydraulic pin remover provided by the invention, since it is provided with the extraction liquid removably fitted together
Cylinder pressure and support device so that it is split carrying convenient for staff, is fitted together again at work;
It is removably secured in the rear end of cylinder body equipped with end cap is oriented to, edge is equipped on the back segment peripheral surface of hollow piston rod
The sliding slot that its axial screw extends, and compatible guiding slide unit therewith is equipped on the inner wall for being oriented to end cap so that hollow work
Stopper rod can also be rotated when being moved forward and backward along the hand of spiral of sliding slot, during pulling pin, then axis pin rotation can be driven to extract, subtracted
It pulls pin less resistance, improves working efficiency;
Pull head is removably twisted to the front end for being located at pull rod, then is convenient for staff according to the axis pin of different-diameter, beats
The difference of the diameter of threaded hole selects the pull head of different-diameter, it is ensured that effect of pulling pin improves efficiency of pulling pin;
Pull rod adjusting apparatus is equipped in back end of tie rod portion is then convenient for staff to adjust pull rod relative to hollow piston rod
Extension elongation be adapted to extract different length axis pin, increase its applicability;
The support device that above structure is arranged then is convenient for staff according to different pin diameters, adjusts curved support
Plate avoids staff and replaces the work fiber crops that support device is brought in the case where ensuring the stability of strutting system of support device
It is tired, and the dismounting frequency of parts can also be reduced, mitigate the working strength of staff, improves working efficiency.
Mining bracket hydraulic pin remover provided by the invention, easy to carry, easy to use, the efficient, scope of application of pulling pin
Extensively, it is convenient for promoting and using.
Description of the drawings
Fig. 1 is the structural schematic diagram of mining bracket hydraulic pin remover provided by the invention;
Fig. 2 is the structural representation sectional view of mining bracket hydraulic pin remover shown in Fig. 1;
Fig. 3 is the structural schematic diagram of hollow piston rod provided by the invention;
Fig. 4 is the structural schematic diagram of support base provided by the invention;
Fig. 5 is the structural schematic diagram of curved support plate provided by the invention;
Fig. 6 is the structural schematic diagram of adjustment cushion block provided by the invention;
Wherein:1- extracts hydraulic cylinder, and 10- pull heads, 11- cylinder bodies, 12- hollow piston rods, 121- sliding slots, 122- is isolated convex
Platform, 13- are oriented to end cap, 14- external connectors, 15- compressed springs, 16- pull rods, 17- stop nuts, 18- pull rod extension rods, 19-
Piston rod extension rod, 2- support devices, 21- support bases, 211-T shape sliding slots, 22- curved support plates, 221-T shape slide units,
23- trip bolts, 24- annular pressure seats, 3- pull rod adjusting apparatus, 3a- adjusting thread bush, 3b- adjustment cushion blocks, 31b- slots,
32b- slotting platforms, 4- handles.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Mining bracket hydraulic pin remover provided by the invention includes the extraction hydraulic cylinder removably fitted together and branch
Support arrangement;It includes cylinder body to extract hydraulic cylinder, and cylinder body inner seal sleeve is equipped with hollow piston rod, and the rear end of cylinder body, which is removably secured, to be set
There are guiding end cap, the back segment peripheral surface of hollow piston rod to be equipped with the sliding slot extended along its axial screw, be oriented to the inner wall of end cap
It is equipped with compatible guiding slide unit therewith;Pull rod is arranged in hollow piston rod, back end of tie rod portion is equipped with pull rod adjustment dress
It sets, the rear end of pull rod, which is twisted, is equipped with stop nut, and the front end of pull rod, which is twisted, is equipped with pull head, and the power output end of pull head is equipped with external screw thread;
Support device includes being removably mounted on the support base of cylinder body front end, in support base sliding equipped at least two be open to
Interior curved support plate.
Fig. 1 and Fig. 2 collectively illustrates the structural schematic diagram of mining bracket hydraulic pin remover provided by the invention, for the ease of
Illustrate, this figure only provides structure division related to the present invention.
Mining bracket hydraulic pin remover includes the extraction hydraulic cylinder 1 removably fitted together and support device 2;It pulls out
It includes cylinder body 11 to go out hydraulic cylinder 1, and 11 inner seal sleeve of cylinder body is equipped with hollow piston rod 12, and the rear end of cylinder body 11, which is removably secured, to be set
Have and be oriented to end cap 13, is oriented to end cap 13 and is sheathed on hollow piston rod 12, as shown in figure 3, the back segment periphery of hollow piston rod 12
Face is equipped with the sliding slot 121 extended along its axial screw, and the inner wall for being oriented to end cap 13 is equipped with compatible guiding slide unit therewith
(not identified in figure), in this embodiment, the stage casing peripheral surface of hollow piston rod 12 is equipped with fits with the inner wall sealing of cylinder body 11
The front cavity of the isolation boss 122 matched, the interior front end face for being located at isolation boss 122 of cylinder body 11 is to extract hydraulic cavities, extraction liquid
Pressure chamber is connected by external connector 14 with external hydraulic station, and the back segment of hollow piston rod 12 is arranged with compressed spring 15, compression
The rotation direction of spring 15 is identical as the rotation direction of sliding slot 121, and the front end of compressed spring 15 acts against on the rear end face of isolation boss 122,
The rear end of compressed spring 15 acts against the front end of end cover 13 so that hollow piston rod 12 under the driving of external hydraulic station to
After move, and when moving before necessary, resetted under the elastic force effect of compressed spring 15, in above process hollow piston rod 12
Extending direction along sliding slot 121 rotates, and during pulling pin, then axis pin rotation can be driven to extract, reduce resistance of pulling pin, improve work
Make efficiency;
Pull rod 16 is arranged in hollow piston rod 12,16 rear end of pull rod is equipped with for adjusting pull rod 16 relative to hollow
The pull rod adjusting apparatus 3 of 12 extension elongation of piston rod is extracted the axis pin of different length with adaptation, increases its applicability;Pull rod 16
Rear end twist and be equipped with stop nut 17, the front end of pull rod 16 passes through support device 2, and removably twists and be equipped with pull head 10, draws
First 10 power output end is equipped with external screw thread, after adopting the structure, staff can be convenient for according to the axis pin of different-diameter, institute
The difference for beating the diameter of threaded hole, selects the pull head 10 of different-diameter, it is ensured that effect of pulling pin improves efficiency of pulling pin;
Support device 2 includes being removably mounted on the support base 21 of 11 front end of cylinder body, as shown in figure 4, support base
It is laid at least two T shapes sliding slots 211 on 21 front end face, 211 extending centrally out along support base 21 of T shapes sliding slot,
Sliding is equipped with the inside curved support plate 22 of at least two openings, axis and the pull rod 16 of curved support plate 22 in support base 21
Axis collinear setting, with T shapes sliding slot 211 be adapted T shapes as shown in figure 5, being equipped at the mounting portion of 22 rear end of curved support plate
Slide unit 221, the sliding of T shapes slide unit 221 are embedded in T shapes sliding slot 211, are twisted on T shapes slide unit 221 and are equipped with trip bolt 23, fasten spiral shell
The inner end of nail 23 acts against on the slot bottom of T shapes sliding slot 211;With the above structure, staff can be straight according to different axis pins
Diameter adjusts the supporting and space that each curved support plate 22 surrounds jointly, the case where ensuring the stability of strutting system of support device 2
Under, it avoids staff and replaces the work trouble that support device 2 is brought, and the carrying of parts can also be reduced, mitigate work
Make the working strength of personnel, improves working efficiency.
In this embodiment, the form that the front end of all curved support plates 22 couples also by T shapes slide unit-T shape sliding slots,
Common cunning can be slidably embedded on annular pressure seat 24, after adopting the structure, can lead to the front end of each curved support plate 22
Annular pressure seat 24 is crossed to be fixed together, it is ensured that the stability of its support construction, on the rear and front end face of annular pressure seat 24
T shapes sliding slot (not identified in figure) compatible with T shapes slide unit 221 is offered, then can be installed in addition with arc branch with the extraction of axis pin
Fagging 22 and annular pressure seat 24 continue to extract to be adapted to length of pulling pin convenient for axis pin.
In this embodiment, pull rod adjusting apparatus 3 includes at least two adjusting thread bush 3a that screw thread is socketed successively, position
It is detachably inserted by axis pin the rear end of hollow piston rod 12 in the front end of the adjusting thread bush 3a of front end, is located at most
The rear end of the adjusting thread bush 3a of rear end acts against on the front end face of stop nut 17, the pull rod adjusting apparatus adopted the structure
3, each adjusting thread bush 3a is adjusted convenient for the appropriate spiral of staff, to increase or decrease the length of pull rod adjusting apparatus 3, to
Pull rod 16 is adjusted relative to 12 extension elongation of hollow piston rod, to be adapted to the length of the axis pin to be extracted.
As another constructive embodiment of pull rod adjusting apparatus 3, as shown in fig. 6, pull rod adjusting apparatus 3 includes at least
The adjustment cushion block 3b of two plug connections successively adjusts cushion block 3b C-shaped in configuration, and its rear and front end face is respectively equipped with and mutually fits
Slot 31b that is matching and radially extending and slotting platform 32b, adjustment cushion block 3b are removably arranged on pull rod 16, are located at most
The front end of the adjustment cushion block 3b of front end is detachably inserted into the rear end of hollow piston rod 12 by spacer pin (not shown),
On the front end face that the rear end of the adjustment cushion block 3b of rearmost end acts against stop nut 17, the pull rod tune that adopts the structure
Engagement positions 3, can be by way of increasing or decreasing adjustment cushion block 3b, and adjustment pull rod 16 is stretched out relative to hollow piston rod 12 and grown
Degree, to be adapted to the length of the axis pin to be extracted.
In this embodiment, it further includes pull rod extension rod 18 to extract hydraulic cylinder 1, and the front end of pull rod extension rod 18 can be with pull rod
The rear end of 16 rear end thread connection, pull rod extension rod 18 can couple with stop nut 17, can so reduce the design of pull rod 16
Length reduces the occupied space in complete equipment storage and transfer process, improves its portability, and in practical work process,
According to actual condition, it is lengthened or shortened the active length of pull rod 16 by increasing or decreasing pull rod extension rod 18, to be adapted to not
With the extraction of the axis pin of length.
In this embodiment, it further includes piston rod extension rod 19 to extract hydraulic cylinder 1, and piston rod extension rod 19 is hollow knot
The internal-and external diameter of structure, piston rod extension rod 19 is identical as the internal-and external diameter of hollow piston rod 12 respectively, the rear end of piston rod extension rod 19
It can be connect with the nose threads of hollow piston rod 12, the front end of pull rod extension rod can so reduce sky with pull head thread connection
It is indecisive and changeable the design length of stopper rod 12, reduces the occupied space in complete equipment storage and transfer process, improves its portability, and
In practical work process, according to actual condition, hollow piston is lengthened or shortened by increasing or decreasing piston rod extension rod 19
The active length of bar 12, to be adapted to the extraction of the axis pin of different length.
In this embodiment, cylinder body 1 is equipped with handle 4, then can take and hold convenient for staff, improves what it was transported and operated
Convenience.
The installation of mining bracket hydraulic pin remover provided by the invention and process of pulling pin are as follows:
First, according to the length for the axis pin extracted, corresponding piston rod extension rod 19 is chosen, and be installed in hollow
The front end of piston rod 12, i.e. built-up piston bar;
Then, according to the diameter of the axis pin to be extracted, matched support base 21 and annular pressure seat are chosen
24, support base 21 is installed to the front end of cylinder body 11, then installation curved support plate 22 and annular pressure seat 24 successively, adjusts arc
The diameter space that shape support plate 22 is surrounded, and tighten trip bolt 23, i.e. cylinder body support combinations body;
Then, pull head 10 is installed in the front end of hollow piston rod 12, and the front end of pull head 10 is screwed into the threaded hole of axis pin
It is interior, further according to the length of piston rod extension rod 19 and the assembly of hollow piston rod 12, corresponding pull rod extension rod 18 is chosen, and
It is installed in the rear end of pull rod 16, i.e. pull rod assembly;
Then, cylinder body support combinations body and pull rod assembly, make piston rod assembly be set on pull rod assembly, then
Pull rod adjusting apparatus 3 is mounted on to the rear end of pull rod extension rod 18, and screws on stop nut 17, and is adjusted by adjusting pull rod
Device 3 makes the front end of annular pressure seat 24 act against in the axial rack of pin, and connects external hydraulic station, and so far completing should
The preparation of pulling pin of mining bracket hydraulic pin remover;
Start to pull pin operation when, inject hydraulic oil into cylinder body 11, piston rod assembly made to move backward, drive pull rod group
Zoarium gradually extracts axis pin, and in withdrawal process, axis pin is driven by pull rod assembly with the rotation of piston rod assembly
Rotation is extracted;
If the rear shifting of piston rod assembly reaches extreme limit of travel, still there is part axis pin not extract, then can pass through dismounting
Piston rod extension rod 19 and pull rod extension rod 18 or the form for being installed in addition with curved support plate 22 and annular pressure seat 24 increase and extract
The opposite stroke of pulling pin of hydraulic cylinder, axis pin is extracted completely;
After axis pin is extracted, the hydraulic oil in extraction hydraulic cylinder 1 can be made to flow back, make sky by the reversal valve of control hydraulic station
Stopper rod 12 of being indecisive and changeable resets under the elastic force effect of compressed spring 15, while axis pin is released the mining bracket pin removal, then will
Axis pin and related assembling parts are removed successively, in order to its transfer and are carried.
Mining bracket hydraulic pin remover provided by the invention, easy to carry, easy to use, the efficient, scope of application of pulling pin
Extensively, it is convenient for promoting and using.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (8)
1. a kind of mining bracket hydraulic pin remover, it is characterised in that:Including the extraction hydraulic cylinder that removably fits together and
Support device;
The extraction hydraulic cylinder includes cylinder body, and the cylinder body inner seal sleeve is equipped with hollow piston rod, and the rear end of the cylinder body is removable
It is fixed with guiding end cap with unloading, the guiding end cap is sheathed on the hollow piston rod, the back segment of the hollow piston rod
Peripheral surface is equipped with the sliding slot extended along its axial screw, and the inner wall for being oriented to end cap is equipped with compatible guiding therewith and slides
Platform, the hollow piston rod can the extending direction of sliding slot described in the driving lower edge of external hydraulic station move back and forth;
Pull rod is arranged in the hollow piston rod, the back end of tie rod portion is equipped with for adjusting the pull rod relative to described
The pull rod adjusting apparatus of hollow piston rod extension elongation, the rear end of the pull rod, which is twisted, is equipped with stop nut, the front end of the pull rod
It across the support device, and removably twists and is equipped with pull head, the power output end of the pull head is equipped with external screw thread;
The support device includes being removably mounted on the support base of the cylinder body front end, the front end face of the support base
On be laid at least two T shape sliding slots, T shapes sliding slot the extending centrally out along the support base, the branch support group
Sliding is equipped with the inside curved support plate of at least two openings, the axis of the axis and the pull rod of the curved support plate on seat
It is conllinear to be arranged, it is equipped at the mounting portion of curved support plate rear end and is adapted T shape slide units with the T shapes sliding slot, the T shapes are slided
Platform sliding is embedded in the T shapes sliding slot, is twisted on the T shapes slide unit and is equipped with trip bolt, the inner end of the trip bolt abuts against
On the slot bottom of the T shapes sliding slot.
2. mining bracket hydraulic pin remover as described in claim 1, it is characterised in that:The stage casing periphery of the hollow piston rod
Face is equipped with is isolated boss with what the inner wall sealing of the cylinder body was adapted to, and the front end face of the isolation boss is located in the cylinder body
Front cavity be extract hydraulic cavities, the extraction hydraulic cavities are connected by external connector with external hydraulic station, described hollow
The back segment of piston rod is arranged with compressed spring, and the rotation direction of the compressed spring is identical as the rotation direction of the sliding slot, the compression bullet
The front end of spring acts against on the rear end face of the isolation boss, before the rear end of the compressed spring acts against the guiding end cap
End.
3. mining bracket hydraulic pin remover as described in claim 1, it is characterised in that:The pull rod adjusting apparatus includes at least
Two successively screw thread socket adjusting thread bush, be located at front end the adjusting thread bush front end by axis pin removably
It is plugged in the rear end of the hollow piston rod, the stop nut is acted against positioned at the rear end of the adjusting thread bush of rearmost end
Front end face on.
4. mining bracket hydraulic pin remover as described in claim 1, it is characterised in that:The pull rod adjusting apparatus includes at least
The adjustment cushion block of two plug connections successively, the adjustment cushion block C-shaped in configuration, and its rear and front end face is respectively equipped with and mutually fits
Slot that is matching and radially extending and slotting platform, the adjustment cushion block are removably arranged on the pull rod, before being located at most
The front end of the adjustment cushion block at end is detachably inserted into the rear end of the hollow piston rod by spacer pin, is located at rearmost end
The rear end of the adjustment cushion block act against on the front end face of the stop nut.
5. mining bracket hydraulic pin remover as described in claim 1, it is characterised in that:The front end of all curved support plates
Also by the form of T shapes slide unit-T shape sliding slots connection, common slide can be slidably embedded on annular pressure seat, and the annular is pressed
T shapes sliding slot compatible with the T shapes slide unit is offered on the rear and front end face of power seat.
6. mining bracket hydraulic pin remover as claimed in claim 5, it is characterised in that:The extraction hydraulic cylinder further includes pull rod
The front end of extension rod, the pull rod extension rod can be with the rear end thread connection of the pull rod, and the rear end of the pull rod extension rod can
Couple with the stop nut.
7. such as claim 1 to 6 any one of them mining bracket hydraulic pin remover, it is characterised in that:The extraction hydraulic cylinder
Further include piston rod extension rod, the piston rod extension rod is hollow-core construction, the internal-and external diameter of the piston rod extension rod respectively with
The internal-and external diameter of the hollow piston rod is identical, and the rear end of the piston extension rod can be with the forward end seal spiral shell of the hollow piston rod
Line connects.
8. mining bracket hydraulic pin remover as claimed in claim 7, it is characterised in that:The cylinder body is equipped with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810627641.8A CN108687711A (en) | 2018-06-19 | 2018-06-19 | A kind of mining bracket hydraulic pin remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810627641.8A CN108687711A (en) | 2018-06-19 | 2018-06-19 | A kind of mining bracket hydraulic pin remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108687711A true CN108687711A (en) | 2018-10-23 |
Family
ID=63848815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810627641.8A Pending CN108687711A (en) | 2018-06-19 | 2018-06-19 | A kind of mining bracket hydraulic pin remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108687711A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293515A (en) * | 2019-07-02 | 2019-10-01 | 重庆宝润矿山机械制造有限公司 | A kind of pin pulling out device and its working method |
| CN112589712A (en) * | 2020-11-26 | 2021-04-02 | 陕西时盛科邦建设工程有限公司 | Leak-proof antifriction pin shaft dismounting mechanism |
| CN113084746A (en) * | 2020-04-24 | 2021-07-09 | 郑州合新机电设备有限公司 | Pin puller |
| WO2023102067A1 (en) * | 2021-11-30 | 2023-06-08 | Enerpac Tool Group Corp. | Pin puller assembly and methods |
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| JP2001335283A (en) * | 2000-05-29 | 2001-12-04 | Tadano Eng:Kk | Assembly/disassembly type portal lifter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110293515A (en) * | 2019-07-02 | 2019-10-01 | 重庆宝润矿山机械制造有限公司 | A kind of pin pulling out device and its working method |
| CN113084746A (en) * | 2020-04-24 | 2021-07-09 | 郑州合新机电设备有限公司 | Pin puller |
| CN112589712A (en) * | 2020-11-26 | 2021-04-02 | 陕西时盛科邦建设工程有限公司 | Leak-proof antifriction pin shaft dismounting mechanism |
| WO2023102067A1 (en) * | 2021-11-30 | 2023-06-08 | Enerpac Tool Group Corp. | Pin puller assembly and methods |
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Application publication date: 20181023 |