CN2301535Y - Hydraulic prop - Google Patents
Hydraulic prop Download PDFInfo
- Publication number
- CN2301535Y CN2301535Y CN 97250699 CN97250699U CN2301535Y CN 2301535 Y CN2301535 Y CN 2301535Y CN 97250699 CN97250699 CN 97250699 CN 97250699 U CN97250699 U CN 97250699U CN 2301535 Y CN2301535 Y CN 2301535Y
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- Prior art keywords
- hole
- column
- base
- jack
- expansion column
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Abstract
The utility model relates to a novel hydraulic support, which is characterized in that a support frame pillar is connected with a top and a bottom plates in the region enclosed by four pillars. An outer cylinder at the lower end of an original pillar can penetrate through a through hole on a base and is directly inserted into a soft bottom, the pillar is a telescopic pillar simultaneously, wherein, the first section of oil cylinder of the pillar is hinged with a top beam, the first section of movable column of the pillar can penetrate through a through hole on a top beam and is directly inserted into the top plate, so the utility model can accomplish soft top supporting with the soft bottom supporting simultaneously. The utility model has simple structure, easy fabrication and reliable performance. The thickness application range of the soft bottom and the soft top is large, and the utility model is an ideal supporting device for extracting coal beds at soft bottom top and soft top.
Description
The utility model relates to colliery comprehensive mechanization stope support, particularly relates to the hydraulic support of soft ground coal layer under the coal mine or the seam mining supporting of soft top.
At present domestic and international novel soft lower supporter is to be connected with reversed upright post on bearing carrier, and the through hole that reversed upright post passes on the base directly inserts at the soft end, to guarantee that bracket base is not absorbed in base plate.There is following some deficiency in this support pattern; The one, the styletable alive of reversed upright post directly inserts base plate, causes the cylinder damage more serious.The 2nd, when the existing soft end of work plane had soft top again, this support was just inapplicable, did not also find to be applicable to the hydraulic support of this condition as yet.
The purpose of this utility model is to design a kind of new type hydraulic bearer that can avoid the soft ground coal layer of the realization supporting of post cylinder damage alive.
The purpose of this utility model is to design and a kind ofly can supports the soft end and can support the new type hydraulic bearer on soft top simultaneously again.
The utility model is achieved in that
A kind of new type hydraulic bearer, it mainly comprises multi-expansion column, base, back timber, caving shield, passing jack etc., be characterized in the through hole of diameter greater than column outer shell external diameter being arranged in the flexible direction of base upper edge column, the outer cylinder of the lower end outer shell of multi-expansion column cooperates with the through hole on the base, in the zone that four root posts are surrounded, having one, to hold up its two ends of frame column hinged with back timber and base respectively.
In this technical scheme,, then when off working state, come supporting bracket by holding up the frame column because the outer cylinder end of column is the on-fixed end; In the time of in working order, the through hole that the column outer shell will pass on the base directly inserts base plate, realizes the supporting of the soft end and has avoided the damage of post cylinder alive.
In this technical scheme, its characteristics are that also the through hole of base is up-small and down-big shoulder hole, the following table of shoulder hole ladder cooperates with the upper table surface of column outer shell end suspension column, but column insertion base plate plays guide effect like this, and the column footing is scraped ground in the time of can also avoiding moving frame.
In this technical scheme, its characteristics also are on the outer cylinder of multi-expansion column outer shell lower end, towards prolonging direction one side of passing jack, having a leg-of-mutton column of flat square to reset splits, its right-angle side is affixed with it along the bus of multi-expansion column outer shell outer cylinder, another right-angle side is parallel with the column footing, column is inserted when regaining behind the base plate reset.
The utility model can also be realized like this:
On the basis of technique scheme, be characterized in that the first segment oil cylinder and the back timber of styletable alive of multi-expansion column is hinged, diameter is arranged greater than the live through hole of column diameter of this column first segment in back timber upper edge multi-expansion vertical column expanding direction.
In this technical scheme, in support when work,, if run into soft top, the first segment of the multi-expansion column post of living directly inserts top board by the through hole on the back timber, supports the soft end and supports the purpose on soft top simultaneously again thereby reach.
In this technical scheme, its characteristics also are on the first segment oil cylinder upper end outer cylinder of multi-expansion column styletable alive, be with a columnar fixed cover and affixed with it, the upper surface of fixed cover is circular arc upwards in the front projection of passing on the flexible direction of jack, on the direction perpendicular with passing the flexible direction of jack of the both sides of the outer cylinder of fixed cover, level is connected with two with one heart and pass the bearing pin in column axle center.The lower end of through hole on back timber, front projection on the flexible direction of passing jack, for be the center with the through hole axial line to fovea superior circular arc, this circular arc cooperates with the circular arc that fixed cover makes progress, around through hole, symmetry is connected with two planar shaped ears or side handles of a utensil that are parallel to each other and parallel with the flexible direction of passing jack, and the through hole concentric with bearing pin arranged on this plane, and this through hole cooperates with bearing pin.
In technique scheme, its characteristics are that also the multi-expansion column lower end second fuel-economizing cylinder and base are hinged.Increase this pin joint, can increase the support stability in when work, simultaneously, when holding up the frame column and break down, can play the supporting bracket effect.
In this technical scheme, its characteristics also are to be with a columnar tie and affixed with it on the upper end outer cylinder of the multi-expansion column lower end second fuel-economizing cylinder.The lower surface of tie is connected with columnar hold up a beam pad piece concentric with it, this holds up the external diameter of the aperture, inside of beam pad piece greater than the column lower end outer shell that contracts more, the both sides of its lower end outer cylinder symmetry, with passing the flexible direction of jack on the perpendicular direction, level is connected with one with one heart and pass the bearing pin of holding up beam pad piece axle center respectively.On base, have around the through hole one affixed with the concentric columnar cushion block of through hole with it, the aperture, inside of this cushion block is greater than the external diameter of multi-expansion column lower end outer shell, its upper surface is convex circular arc in the front projection of passing on the flexible direction of jack, cooperates with the lower surface of holding up the beam pad piece.Around cushion block on the base, be connected with one with the cushion block axle center symmetrical, go up the square tube shape briquetting of end face sealing, its four sides are parallel or vertical with the flexible direction of passing jack respectively, on it end face have greater than hold up beam pad piece external diameter and with base on the concentric through hole of through hole, the diameter of its through hole is less than holding up the distance between the two bearing pin outer ends on the beam pad piece, and less than the inside bore of its square tube briquetting itself, its inner bore is greater than holding up the distance between the two bearing pin outer ends on the beam pad piece, and two bearing pins of holding up on the beam pad piece place its square tube shape briquetting inside.
On the basis of technique scheme, its characteristics also are multi-expansion column upper end first segment oil cylinder, are provided with through hole near between the interior lateral wall of upper surface; Lateral wall near the upper surface also has through hole through the inside wall to close lower surface in the sidewall between the inside and outside wall; Lateral wall near the upper surface also is provided with through hole through the lateral wall to close lower surface in the sidewall between the inside and outside wall; Near the lateral wall of upper end through in the sidewall between the inside and outside wall to the piston of its lower end and pass piston and still be provided with through hole.Like this, be installation and the use that helps the hydraulic system oil circuit.
Main feature of the present utility model is:
1, the structure that its styletable of living directly inserts base plate with reversed upright post of the prior art is compared, because the utility model directly inserts soft seat with the through hole that the outer shell of column passes on the base, thereby avoided styletable alive to insert the defective that base plate causes the cylinder damage, increased the application life of support.
2, post directly inserts soft top because the utility model also can be lived the first segment of multi-expansion column, thereby under the situation that supports the soft end, has realized the supporting of soft top again simultaneously, has enlarged the scope of application of support.
3, in addition, the utility model also is designed to special construction with the multi-expansion column lower end second fuel-economizing cylinder, and promptly lateral wall etc. locates to be provided with through hole within it, thereby has avoided column to insert the damage that base plate causes hydraulic oil pipe, the folding change structure of hydraulic system.
Description of drawings:
Fig. 1: the structural representation of the utility model embodiment 1;
Fig. 2: the structural representation of the utility model embodiment 2;
Fig. 3: the structural representation of the utility model embodiment 3;
Fig. 4: be the A-A sectional view of Fig. 2;
Fig. 5: be the B-B sectional view of Fig. 3;
Fig. 6: the horizontal projection of multi-expansion column among the utility model embodiment 3;
The C-C sectional view of Fig. 7: Fig. 6;
The D-D sectional view of Fig. 8: Fig. 6;
The E-E sectional view of Fig. 9: Fig. 6;
The F-F sectional view of Figure 10: Fig. 6.
1-column, 2-are held up the frame column, the 3-ears or side handles of a utensil, and 4-tie, 5-are held up the beam pad piece, the 6-bearing pin, the 7-base, 8-passes jack, 9-front-axle beam, 10-back timber, the 11-caving shield, 12-front-axle beam jack, 13-connecting rod, 14-backing plate, 15-base plate through holes, 16-cushion block, 17-are held up beam column fixed head, 18-base loaded plate, and the 19-cap, the 20-column resets and splits, 21-column footing, 22-briquetting, 23-through hole, 24-post alive, cylinder among the 25-, the 26-outer shell, 27-piston, 28-fixed cover, 29-bearing pin.
Below in conjunction with accompanying drawing the utility model is further described:
Embodiment 1:
Referring to Fig. 1, the utility model mainly comprises multi-expansion column 1, base 7, back timber 10, caving shield 11, connecting rod 13, front-axle beam 9 is passed jack 8, front-axle beam jack 12, column footing 21 etc. have the through hole 15 of diameter greater than column 1 outer shell external diameter in the flexible direction of base upper edge column 1, and the outer cylinder of the lower end outer shell of multi-expansion column 1 cooperates with through hole 15 on the base 7.In the zone that four root posts are surrounded, there is one to hold up frame column 2, its two ends are hinged with back timber 10 and base 7 respectively.
Through hole 15 is a shoulder hole, column resets and splits 20 for the flat square triangle, the one right-angle side is along multi-expansion column outer shell lower end outer cylinder bus, affixed towards passing jack prolonging direction one side and multi-expansion column 1 outer shell lower end outer cylinder, and its another right-angle side parallels with column footing 21.
Embodiment 2:
Referring to Fig. 2, the first segment oil cylinder and the back timber 10 of the styletable alive of multi-expansion column 1 are hinged, in back timber 10 upper edge multi-expansion columns 1 flexible direction the through hole of diameter greater than this column 1 first segment column diameter alive are arranged.
Referring to Fig. 2 and Fig. 4, the first segment oil cylinder of the styletable alive of multi-expansion column 1 and back timber 10 articulated manner are: on the first segment oil cylinder upper end outer cylinder of multi-expansion column 1 piston end, be with a columnar fixed cover 28 and affixed with it, the upper surface of fixed cover is circular arc upwards in the front projection of passing thousand tops, 8 flexible directions, on the direction perpendicular of the both sides of the outer cylinder of fixed cover 28, uprightly flatly be connected with two with one heart and pass the bearing pin 6 in column 1 axle center with passing jack 8 flexible directions.The lower end of through hole on back timber 10, on the flexible direction of passing jack 8, having with the through hole axial line is the circular arc of center to fovea superior, this circular arc cooperates with the circular arc that fixed cover 28 makes progress, around through hole, along the flexible direction of passing jack 8, symmetry is connected with two planar shaped ears or side handles of a utensil 3 that are parallel to each other, the through hole concentric with bearing pin 6 arranged on the ears or side handles of a utensil 3, and this through hole cooperates with bearing pin 6.
Embodiment 3:
Referring to Fig. 3 and Fig. 5: multi-expansion column 1 lower end, second fuel-economizing cylinder and base 7 are hinged.Its articulated manner is: be with a columnar tie 4 and affixed with it on the upper end outer cylinder of the multi-expansion column 1 lower end second fuel-economizing cylinder.The lower surface of tie 4 is connected with columnar hold up a beam pad piece 5 concentric with it, hold up the external diameter of the aperture, inside of beam pad piece 5 greater than multi-expansion column 1 lower end outer shell, the both sides of its lower end outer cylinder symmetry, with passing jack 8 flexible directions on the perpendicular direction, level is connected with one with one heart and pass the bearing pin 29 of holding up beam pad piece 5 axle center respectively.On base 7, have around the through hole one affixed with the concentric cylindrical shape cushion block 16 of through hole with it, the aperture, inside of cushion block 16 is greater than the external diameter of multi-expansion column 1 lower end outer shell, the front projection of its upper surface on passing jack 8 stretches directions is convex circular arc.Around cushion block 16 on the base 7, be connected with one symmetrical with cushion block 16 axle center, the square tube shape briquetting 22 of last end face sealing, its four sides are parallel or vertical with the flexible direction of passing jack respectively, on it end face have greater than hold up beam pad piece 5 external diameters and with base 7 on the concentric through hole of through hole, the diameter of its through hole is less than holding up the distance between two bearing pins, 29 outer ends on the beam pad piece 5, and less than the inside bore of its square tube briquetting 22 itself, its inner bore is greater than holding up the distance between two bearing pins, 29 outer ends on the beam pad piece 5, and two bearing pins of holding up on the beam pad piece 5 29 place its square tube shape briquetting 22 inside.
Referring to Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10:
Referring to Fig. 7: the multi-expansion column 1 lower end second fuel-economizing cylinder is provided with through hole 23 near between the interior lateral wall of upper surface.
Referring to Fig. 8: the multi-expansion column 1 lower end second fuel-economizing cylinder, near the lateral wall of upper surface through through hole also being arranged to inside wall in the sidewall between the inside and outside wall near the lower surface.
Referring to Fig. 9: the multi-expansion column 1 lower end second fuel-economizing cylinder, near the lateral wall of upper surface through also being provided with through hole to lateral wall in the sidewall between the inside and outside wall near the lower surface.
Referring to Figure 10: the multi-expansion column 1 lower end second fuel-economizing cylinder, near the lateral wall of upper surface through in the sidewall between the inside and outside wall to piston 27 and pass piston 27 and still be provided with through hole.
Claims (8)
1, a kind of new type hydraulic bearer, it mainly comprises multi-expansion column, base, back timber, caving shield and the passing jack that is hinged, it is characterized in that described base upper edge multi-expansion vertical column expanding direction has the through hole of diameter greater than multi-expansion column external diameter, the outer cylinder of the lower end outer shell of described multi-expansion column cooperates with the through hole on the base, in the zone that four root posts are surrounded, having one, to hold up its two ends of frame column hinged with back timber and base respectively.
2, a kind of new type hydraulic bearer according to claim 1, the through hole that it is characterized in that described base is up-small and down-big shoulder hole, the following table of shoulder hole ladder cooperates with the upper table surface of column outer shell end suspension column.
3, a kind of new type hydraulic bearer according to claim 1, it is characterized in that on the outer cylinder of described multi-expansion column outer shell lower end, towards the prolonging direction and a side of passing jack, having a leg-of-mutton column of flat square to reset splits, its right-angle side is affixed with it along the bus of multi-expansion column outer shell outer cylinder, and another right-angle side is parallel with the column footing.
4, a kind of new type hydraulic bearer according to claim 1 is characterized in that the first segment oil cylinder and the back timber of described multi-expansion column styletable alive is hinged, and this vertical column expanding direction has the through hole greater than this column column diameter alive in the back timber upper edge.
5, a kind of new type hydraulic bearer according to claim 4, it is characterized in that on the first segment oil cylinder upper end outer cylinder of multi-expansion column styletable alive, be with a columnar fixed cover and affixed with it, the upper surface of fixed cover is circular arc upwards in the front projection of passing on the flexible direction of jack, on the direction perpendicular of the both sides of the outer cylinder of fixed cover with passing the flexible direction of jack, level is connected with two bearing pins concentric and that pass the column axle center, the lower end of through hole on back timber, front projection on the flexible direction of passing jack, have with the through hole axial line be the center to fovea superior circular arc, this circular arc cooperates with the circular arc that fixed cover makes progress, around through hole, symmetry is connected with two planar shaped ears or side handles of a utensil that are parallel to each other and parallel with the flexible direction of passing jack, the through hole concentric with bearing pin arranged on this plane, and this through hole cooperates with bearing pin.
6, a kind of new type hydraulic bearer according to claim 1 is characterized in that multi-expansion column lower end second fuel-economizing cylinder and base are hinged.
7, a kind of new type hydraulic bearer according to claim 6, it is characterized in that being with a columnar tie and affixed on the upper end outer cylinder of the described multi-expansion column lower end second fuel-economizing cylinder with it, the lower surface of tie is connected with columnar hold up a beam pad piece concentric with it, this holds up the external diameter of the aperture, inside of beam pad piece greater than multi-expansion column lower end outer shell, the both sides of its lower end outer cylinder symmetry, with passing the flexible direction of jack on the perpendicular direction, level is connected with a bearing pin respectively, on base, have around the through hole one affixed with the concentric columnar cushion block of through hole with it, the aperture, inside of this cushion block is greater than the external diameter of the lower end outer shell of multi-expansion column, its upper surface is convex circular arc in the front projection of passing on the flexible direction of jack, cooperate with the lower surface of holding up the beam pad piece, around cushion block on the base, be connected with one symmetrical with the cushion block axle center, the square tube shape briquetting of last end face sealing, its four sides are parallel or vertical with the flexible direction of passing jack respectively, on it end face have greater than hold up beam pad piece external diameter and with base on the concentric through hole of through hole, the diameter of its through hole is less than holding up the distance between the two bearing pin outer ends on the beam pad piece, and less than the inside bore of its square tube briquetting itself, its inner bore is greater than holding up the distance between the two bearing pin outer ends on the beam pad piece, and two bearing pins of holding up on the beam pad piece place its square tube shape briquetting inside.
8, a kind of new type hydraulic bearer according to claim 6, it is characterized in that described multi-expansion column upper end first segment oil cylinder, be provided with through hole near between the interior lateral wall of upper surface, lateral wall near the upper surface also has through hole through the sidewall between the inside and outside wall to the inside wall near the lower surface, also be provided with through hole near the lateral wall of upper surface through the sidewall between the inside and outside wall to lateral wall near the lower surface, near the lateral wall of upper end through in the sidewall between the inside and outside wall to the piston of its lower end and pass piston and still be provided with through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97250699 CN2301535Y (en) | 1997-08-20 | 1997-08-20 | Hydraulic prop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97250699 CN2301535Y (en) | 1997-08-20 | 1997-08-20 | Hydraulic prop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2301535Y true CN2301535Y (en) | 1998-12-23 |
Family
ID=33957197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97250699 Expired - Fee Related CN2301535Y (en) | 1997-08-20 | 1997-08-20 | Hydraulic prop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2301535Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333932B (en) * | 2008-07-31 | 2010-06-02 | 中国矿业大学 | Double layer hyperstatic hydraulic support |
| CN102536274A (en) * | 2012-01-10 | 2012-07-04 | 中煤北京煤矿机械有限责任公司 | Equipressure double-telescopic prop |
| CN103557015A (en) * | 2013-08-06 | 2014-02-05 | 四川华蓥山广能集团嘉华机械有限责任公司 | Multi-expansion hydraulic support column |
| CN104912580A (en) * | 2015-05-15 | 2015-09-16 | 四川华蓥山广能集团嘉华机械有限责任公司 | Two-stage hydraulic telescopic and one-stage mechanical telescopic hydraulic support frame upright post |
| CN106321132A (en) * | 2016-11-19 | 2017-01-11 | 无锡市洗选设备厂 | Shielding and supporting frame of sand washer |
| CN106321136A (en) * | 2016-11-19 | 2017-01-11 | 无锡市洗选设备厂 | Hydraulic shield support |
| CN106368726A (en) * | 2016-11-19 | 2017-02-01 | 无锡市洗选设备厂 | Rapid-connecting shield support assembly |
-
1997
- 1997-08-20 CN CN 97250699 patent/CN2301535Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333932B (en) * | 2008-07-31 | 2010-06-02 | 中国矿业大学 | Double layer hyperstatic hydraulic support |
| CN102536274A (en) * | 2012-01-10 | 2012-07-04 | 中煤北京煤矿机械有限责任公司 | Equipressure double-telescopic prop |
| CN103557015A (en) * | 2013-08-06 | 2014-02-05 | 四川华蓥山广能集团嘉华机械有限责任公司 | Multi-expansion hydraulic support column |
| CN104912580A (en) * | 2015-05-15 | 2015-09-16 | 四川华蓥山广能集团嘉华机械有限责任公司 | Two-stage hydraulic telescopic and one-stage mechanical telescopic hydraulic support frame upright post |
| CN106321132A (en) * | 2016-11-19 | 2017-01-11 | 无锡市洗选设备厂 | Shielding and supporting frame of sand washer |
| CN106321136A (en) * | 2016-11-19 | 2017-01-11 | 无锡市洗选设备厂 | Hydraulic shield support |
| CN106368726A (en) * | 2016-11-19 | 2017-02-01 | 无锡市洗选设备厂 | Rapid-connecting shield support assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |