CN202194677U - Bottom uplifting device for hydraulic support and hydraulic support - Google Patents
Bottom uplifting device for hydraulic support and hydraulic support Download PDFInfo
- Publication number
- CN202194677U CN202194677U CN2011202560870U CN201120256087U CN202194677U CN 202194677 U CN202194677 U CN 202194677U CN 2011202560870 U CN2011202560870 U CN 2011202560870U CN 201120256087 U CN201120256087 U CN 201120256087U CN 202194677 U CN202194677 U CN 202194677U
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- hydraulic support
- deck
- lifting device
- pin
- support bottom
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Abstract
The utility model provides a bottom uplifting device for a hydraulic support and a hydraulic support. The bottom uplifting device for a hydraulic support comprises a stand fixed to the pedestal of the hydraulic support, and a bottom uplifting power unit provided with a fixing ring and arranged on the stand through the fixing ring. The bottom uplifting device and the hydraulic support are effectively suitable for the exploitation of a thin seam and are small in longitudinal occupation space, easy in disassembly and maintenance, large in effective bottom uplifting stroke and good in bottom uplifting effect, which solves the problem that the exploitation of a thin seam is restricted by the special dimension.
Description
Technical field
The utility model relates to engineering machinery field, is meant a kind of hydraulic support bottom lifting device and hydraulic support especially.
Background technology
China is the main producing coal country in the world, and the colliery sum surpasses other All Countries colliery number sums of the whole world, and the girdle reserves accounted for nearly five minutes one of the coal gross reserves, and thin seam mining satisfies the national economic development and plays an important role for keeping coal production.
Hydraulic support is the support apparatus of fully-mechanized mining working, and its main effect is a supporting stope top board, and the maintenance safe working space is passed work plane and felled and transported equipment.Hydraulic support through bottom lifting device is set, solves because of base plate anti-pressure ability deficiency causes the support front end and pricks the end when the base plate geological conditions is softer, thereby the passing and support self reach of equipment are felled and transported in influence.The bottom lifting device structure that generally adopts in the prior art is established Connection Block above lifting end jack; Connection Block is hinged on the base, through bolt with Connection Block with lift end jack and fix, the shortcoming that this structure exists be take up room bigger; Be applicable to medium-thickness seam, can't be applicable to girdle.Therefore, press for a kind of bottom lifting device that can effectively be suitable for thin seam mining.
The utility model content
The utility model proposes a kind of hydraulic support bottom lifting device and hydraulic support, and a kind of bottom lifting device and hydraulic support that effectively is suitable for thin seam mining is provided.
The technical scheme of the utility model is achieved in that
A kind of hydraulic support bottom lifting device comprises:
Deck, said deck are fixed on the base of said hydraulic support;
Lift end power set, the said end power set of lifting are provided with retainer ring, and the said end power set of lifting are arranged on the said deck through said retainer ring.
Preferably, said deck is specially the U-shaped deck that the steel plate welding forms.
Preferably, said retainer ring is arranged at said middle part of lifting end power set.
Preferably, also comprise:
Fixture block and bearing pin, said fixture block is provided with first pin-and-hole;
On the said retainer ring symmetry be provided with two cylinder ears, said deck is provided with the circular port and second pin-and-hole;
Wherein, said cylinder ear is installed in the said circular port, and said fixture block is pushed down said cylinder ear, and bearing pin inserts said first pin-and-hole and said second pin-and-hole successively.
Preferably, also be provided with rectangular opening on the said deck, said fixture block is provided with a rectangle convex, and said fixture block snaps in to said rectangular opening through said rectangle convex.
Preferably, also comprise:
Fixture;
The head of said bearing pin also is provided with the 3rd pin-and-hole, and said fixture inserts in said the 3rd pin-and-hole.
Preferably, the said end power set of lifting are specially jack.
Preferably, said deck is fixed in the gap bridge front end of said base.
A kind of hydraulic support comprises foregoing hydraulic support bottom lifting device.
The utility model technical scheme provides a kind of bottom lifting device and hydraulic support that effectively is suitable for thin seam mining; It is little vertically to take up room, and has solved the problem of thin seam mining time space size restrictions, and dismounting maintenance easily; It is big effectively to lift end stroke, and it is effective to lift the end.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of hydraulic support bottom lifting device first embodiment of the utility model;
Fig. 2 is for lifting the structural representation of end power set among Fig. 1.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
With reference to Fig. 1 and Fig. 2, in first embodiment of a kind of hydraulic support bottom lifting device of the utility model, said hydraulic support bottom lifting device comprises deck 1 and lifts end power set 5.
Said deck 1 is fixed on the base of said hydraulic support; The said end power set 5 of lifting are provided with retainer ring 51, and the said end power set 5 of lifting are arranged on the said deck 1 through said retainer ring 51.
In a preferred embodiment of the utility model, said deck 1 is fixed in the gap bridge front end of said base, and certainly, said deck 1 also can be arranged at other positions of said base, and said deck 1 can be fixed in through the mode of screw or welding on the said base.
Said deck 1 is preferably the U-shaped deck that steel plate welding forms, and certainly, said deck 1 also can be that other materials are made, and said deck 1 can also be other shape, and like rectangle etc., the utility model does not limit this.
In the utility model, the said end power set 5 of lifting are preferably jack, and certainly, the said end power set 5 of lifting can also adopt other power set such as telescopic oil cylinder.
In a preferred embodiment of the utility model, said retainer ring 51 is arranged at said middle part of lifting end power set 5.Certainly; Said retainer ring 51 does not limit to yet and is arranged at said middle part of lifting end power set 5; Can also be arranged on said other positions of lifting end power set 5, like 1/3rd places, 2/3rds places or other positions, in order to make vertically taking up room of the said hydraulic support bottom lifting device of the utility model little; This said retainer ring 51 is preferably disposed on said place of lifting on the end power set 5 near 1/2nd, takes up room thereby can farthest save vertically.
In a preferred embodiment of the utility model, said hydraulic support bottom lifting device also comprises fixture block 2 and bearing pin 3, and said fixture block 2 is provided with first pin-and-hole; On the said retainer ring 51 symmetry be provided with two cylinder ears 52, said U-shaped deck is provided with the circular port and second pin-and-hole; Wherein, said cylinder ear 52 is installed in the said circular port, and said fixture block 2 is pushed down said cylinder ear 52, and bearing pin 3 inserts said first pin-and-hole and said second pin-and-hole successively.
Further, also be provided with rectangular opening on the said U-shaped deck, said fixture block 2 is provided with a rectangle convex, and said fixture block 2 snaps in to said rectangular opening through said rectangle convex.
Preferably, said hydraulic support bottom lifting device also comprises fixture 4; The head of said bearing pin 3 also is provided with the 3rd pin-and-hole, and said fixture 4 inserts in said the 3rd pin-and-hole, and said fixture 4 can be D type card, bolt, cottor pin or other fixed structure.
The described hydraulic support bottom lifting device of the utility model is installed in the cylinder ear 52 of lifting end power set 5 in the circular port of deck 1 when assembling; Then; Fixture block 2 is pushed down the cylinder ear of lifting end power set 5, and the pin-and-hole of fixture block 2 is alignd with the pin-and-hole of deck 1, again bearing pin 3 is inserted in the pin-and-hole of deck 1 and fixture block 2 successively; At last fixture 4 is inserted in the pin-and-hole of bearing pin 3 heads, thereby will lift end power set 5 reliable fixation.
Take out from the hydraulic support bottom lifting device if will lift end power set 5, only need fixture 4, bearing pin 3, fixture block 2 are dismantled successively, just can take out lifting end power set 5 easily.
The utility model technical scheme provides a kind of bottom lifting device and hydraulic support that effectively is suitable for thin seam mining; It is little vertically to take up room, and has solved the problem of thin seam mining time space size restrictions, and dismounting maintenance easily; It is big effectively to lift end stroke, and it is effective to lift the end.
In addition; The invention also discloses a kind of hydraulic support; Said hydraulic support comprises the described hydraulic support bottom lifting device like preceding each embodiment, and each embodiment of said front describes in detail said hydraulic support bottom lifting device, for length is considered; Repeat no more at this, get final product with reference to the description of front relevant portion.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. a hydraulic support bottom lifting device is characterized in that, comprising:
Deck (1), said deck (1) is fixed on the base of said hydraulic support;
Lift end power set (5), the said end power set (5) of lifting are provided with retainer ring (51), and the said end power set (5) of lifting are arranged on the said deck (1) through said retainer ring (51).
2. hydraulic support bottom lifting device according to claim 1 is characterized in that, said deck (1) is specially the U-shaped deck that the steel plate welding forms.
3. hydraulic support bottom lifting device according to claim 2 is characterized in that, said retainer ring (51) is arranged at said middle part of lifting end power set (5).
4. according to each described hydraulic support bottom lifting device of claim 1 to 3, it is characterized in that, also comprise:
Fixture block (2) and bearing pin (3), said fixture block (2) is provided with first pin-and-hole;
What said retainer ring (51) was gone up symmetry is provided with two cylinder ears (52), and said deck (1) is provided with the circular port and second pin-and-hole;
Wherein, said cylinder ear (52) is installed in the said circular port, and said fixture block (2) is pushed down said cylinder ear (52), and bearing pin (3) inserts said first pin-and-hole and said second pin-and-hole successively.
5. hydraulic support bottom lifting device according to claim 4 is characterized in that, said deck also is provided with rectangular opening on (1), and said fixture block (2) is provided with a rectangle convex, and said fixture block (2) snaps in to said rectangular opening through said rectangle convex.
6. hydraulic support bottom lifting device according to claim 5 is characterized in that, also comprises:
Fixture (4);
The head of said bearing pin (3) also is provided with the 3rd pin-and-hole, and said fixture (4) inserts in said the 3rd pin-and-hole.
7. hydraulic support bottom lifting device according to claim 6 is characterized in that, the said end power set (5) of lifting are specially jack.
8. hydraulic support bottom lifting device according to claim 7 is characterized in that, said deck (1) is fixed in the gap bridge front end of said base.
9. a hydraulic support is characterized in that, comprises like each described hydraulic support bottom lifting device of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202560870U CN202194677U (en) | 2011-07-20 | 2011-07-20 | Bottom uplifting device for hydraulic support and hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202560870U CN202194677U (en) | 2011-07-20 | 2011-07-20 | Bottom uplifting device for hydraulic support and hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202194677U true CN202194677U (en) | 2012-04-18 |
Family
ID=45949594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202560870U Expired - Fee Related CN202194677U (en) | 2011-07-20 | 2011-07-20 | Bottom uplifting device for hydraulic support and hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202194677U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758546A (en) * | 2013-12-06 | 2014-04-30 | 中煤北京煤矿机械有限责任公司 | Anti-slide bottom-lifting mechanism for hydraulic support |
| CN104196552A (en) * | 2014-07-16 | 2014-12-10 | 三一重型装备有限公司 | Bottom lifting device and hydraulic support |
-
2011
- 2011-07-20 CN CN2011202560870U patent/CN202194677U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758546A (en) * | 2013-12-06 | 2014-04-30 | 中煤北京煤矿机械有限责任公司 | Anti-slide bottom-lifting mechanism for hydraulic support |
| CN104196552A (en) * | 2014-07-16 | 2014-12-10 | 三一重型装备有限公司 | Bottom lifting device and hydraulic support |
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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: 20120418 Termination date: 20160720 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |