CN205135686U - Colliery is light -duty advance support hydraulic support in pit - Google Patents
Colliery is light -duty advance support hydraulic support in pit Download PDFInfo
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- CN205135686U CN205135686U CN201520932165.2U CN201520932165U CN205135686U CN 205135686 U CN205135686 U CN 205135686U CN 201520932165 U CN201520932165 U CN 201520932165U CN 205135686 U CN205135686 U CN 205135686U
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- back timber
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Abstract
The utility model discloses a colliery is light -duty advance support hydraulic support in pit belongs to mine support equipment technical field. It mainly comprises the unit support that the multirow was arranged with great ease, every unit support include and unit back timber and unit base be connected with the hydraulic pressure stand between unit back timber and the unit base, every the unit back timber with global flexible roof beam subassembly, upper and lower vertical jack and the jack of constituteing through flexible roof beam and interior flexible roof beam respectively horizontal from top to bottom of unit base articulates rather than adjacent unit. The utility model discloses an each other takes a step to go forward for the fulcrum in turn leading support, rearmounted support, removes lightly, swift, has reduced workman's intensity of labour by a wide margin, improvement security performance, the emergence of reduction accident.
Description
Technical field
The utility model relates to a kind of mining equiment, specifically belongs to the hydraulic support technical field of a kind of coal face two ends lame advanced supporting.
Background technology
In existing underground coal mine coal-face exploitation process, goaf constantly expands, the weight of its overlying rock shifts to the coal and rock deep of surrounding, thus form advanced support pressure in work plane front, the driving in work plane two lane, make the weight of tunnel overlying rock transfer on the coal body of both sides equally, form lateral support pressure in both sides, tunnel.Lane, work plane front two is in the overlaying influence district of ahead work face abutment pressure and two lane lateral support pressure, and roadway deformation amount is large, destroys serious, the measures such as strengthening supporting need be taked to ensure the normal safe back production of work plane.At present, the mode of China's fully-mechanized mining working advance support is mainly two kinds;
One is the form adopting the combined supporting such as hydraulic prop, i iron metallic support.This kind of scheme mechanization degree is not high, and labour intensity is large.
Two is adopt forepoling hydraulic support; Enough setting loads and working resistance can be provided.Existing all kinds support is mostly based on support shield type or protected type force piece, increases the compositions such as forestope, front column, front base.But the part dimension of existing various forepoling hydraulic support is comparatively large, the space mounting less in down-hole, transition transport inconvenience.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art part, the utility model provides a kind of underground coal mine light-duty forepoling hydraulic support, flexible operation, easy to install and use, greatly alleviates the labour intensity of workman.
The utility model is achieved by the following technical solution: the light-duty forepoling hydraulic support of a kind of underground coal mine, the unit rack that it arranges in length and breadth primarily of many rows is formed, each described unit rack comprises unit back timber and unit base, be connected with hydraulic vertical prop between unit back timber and unit base, the side face of each described unit back timber and described unit base is evenly equipped with orthogonal articulated section, four positions;
The telescopic beam assembly be made up of extensible canopy and interior extensible canopy is hinged with between each described unit back timber and its longitudinally adjacent unit back timber, adopt to be slidably matched between described extensible canopy and interior extensible canopy and nest together, between extensible canopy and interior extensible canopy, longitudinal jack is housed, one end of upper longitudinal jack is hinged on described extensible canopy, and the other end of upper longitudinal jack is hinged on described interior extensible canopy; Horizontal jack is hinged with between each described unit back timber and its laterally adjacent unit back timber;
Lower longitudinal jack is hinged with between each described unit base and its longitudinally adjacent unit base; Lower horizontal jack is hinged with between each described unit base and its laterally adjacent unit base.
The upper end of described hydraulic vertical prop and the lower end of described unit back timber hinged, the lower end of described hydraulic vertical prop is fixedly connected with described unit base is vertical.
Described unit back timber and the side face articulated section of unit base are vertical hinged-supports, and the two ends of described upper horizontal jack are connected with described unit back timber by adapter sleeve; The two ends of described lower horizontal jack are connected with described unit base by adapter sleeve.
Described unit back timber and the side face articulated section of unit base are horizontal hinged-supports, and one end of described upper horizontal jack is connected with described unit back timber by adapter sleeve; One end of described lower horizontal jack is connected with described unit base by adapter sleeve.
The beneficial effects of the utility model are: between the utility model extensible canopy, interior extensible canopy, length can with the telescopic variation of longitudinal extension jack, and the width dimensions of support is along with the collapsing length of transversal stretching jack changes.The utility model is preposition support, rearmounted support each other fulcrum alternately take a step to advance, mobile light, quick, considerably reduce the labour intensity of workman, improve security performance, the generation of minimizing accident.
Accompanying drawing explanation
According to drawings and embodiments the utility model is further illustrated below.
Fig. 1 is the utility model structural representation;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the structural representation of the another kind of embodiment of the utility model adapter sleeve.
In figure, (1) unit back timber, (2) extensible canopy, (3) interior extensible canopy, on (4), under longitudinal jack, (40), horizontal jack, (7) adapter sleeve, (8) unit base, (9) control valve under horizontal jack, (60) is gone up in longitudinal jack, (5) hydraulic vertical prop, (6).
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3 shows, the light-duty forepoling hydraulic support of a kind of underground coal mine, with the direction consistent with tunnel bearing of trend for longitudinal direction; The unit rack that it arranges in length and breadth primarily of many rows is formed, each described unit rack comprises unit back timber 1 and unit base 8, be connected with hydraulic vertical prop 5 between unit back timber 1 and unit base 8, the side face of each described unit back timber 1 and described unit base 8 is evenly equipped with orthogonal articulated section, four positions;
The telescopic beam assembly be made up of extensible canopy 2 and interior extensible canopy 3 is hinged with between each described unit back timber 1 and its longitudinally adjacent unit back timber, adopt to be slidably matched between described extensible canopy 2 and interior extensible canopy 3 and nest together, longitudinal jack 4 is housed between extensible canopy 2 and interior extensible canopy 3, one end of upper longitudinal jack 4 is hinged on described extensible canopy 2, and the other end of upper longitudinal jack 4 is hinged on described interior extensible canopy 3; Horizontal jack 6 is hinged with between each described unit back timber 1 and its laterally adjacent unit back timber;
Lower longitudinal jack 40 is hinged with between each described unit base 8 and its longitudinally adjacent unit base; Lower horizontal jack 60 is hinged with between each described unit base 8 and its laterally adjacent unit base.
The upper end of described hydraulic vertical prop 5 and the lower end of described unit back timber 1 hinged, the lower end of described hydraulic vertical prop 5 is fixedly connected with described unit base 8 is vertical.
As shown in Figure 3, described unit back timber 1 and the side face articulated section of unit base 8 are vertical hinged-supports, and the two ends of described upper horizontal jack 6 are connected with described unit back timber 1 by adapter sleeve 7; The two ends of described lower horizontal jack 60 are connected with described unit base 8 by adapter sleeve 7.When the effect of adapter sleeve 7 mainly makes unit rack advance, between horizontal unit rack, flexibility is better.
As shown in Figure 4, described unit back timber 1 and the side face articulated section of unit base 8 are horizontal hinged-supports, and one end of described upper horizontal jack 6 is connected with described unit back timber 1 by adapter sleeve 7; One end of described lower horizontal jack 60 is connected with described unit base 8 by adapter sleeve 7.
The each described unit base 8 of the utility model is equipped with control valve 9, the action of each oil cylinder is controlled.
Use procedure of the present utility model is:
When tunnel extends forward, when needing movable light forepoling hydraulic support, first need the hydraulic vertical prop 5 of movement retract, unit back timber 1 declines and to depart from top board, then, longitudinal extension jack fluid injection up and down simultaneously, promotion extensible canopy 2, interior extensible canopy 3 extend a step pitch, then by hydraulic vertical prop 5 fluid injection under unit back timber 1, make it to stretch out top, unit back timber 1 and top board connect top, complete the supporting after a mobile step pitch.This type support is preposition support, rearmounted support each other fulcrum alternately take a step advance.
Between the utility model extensible canopy, interior extensible canopy, length can with the telescopic variation of longitudinal extension jack, and the width dimensions of support is along with the collapsing length of transversal stretching jack changes.The utility model is preposition support, rearmounted support each other fulcrum alternately take a step to advance, mobile light, quick, considerably reduce the labour intensity of workman, improve security performance, the generation of minimizing accident.
Claims (4)
1. the light-duty forepoling hydraulic support of underground coal mine, it is characterized in that: the unit rack that it arranges in length and breadth primarily of many rows is formed, each described unit rack comprises unit back timber (1) and unit base (8), be connected with hydraulic vertical prop (5) between unit back timber (1) and unit base (8), the side face of each described unit back timber (1) and described unit base (8) is evenly equipped with orthogonal articulated section, four positions;
The telescopic beam assembly be made up of extensible canopy (2) and interior extensible canopy (3) is hinged with between each described unit back timber (1) and its longitudinally adjacent unit back timber, adopt to be slidably matched between described extensible canopy (2) and interior extensible canopy (3) and nest together, longitudinal jack (4) is housed between extensible canopy (2) and interior extensible canopy (3), one end of upper longitudinal jack (4) is hinged on described extensible canopy (2), and the other end of upper longitudinal jack (4) is hinged on described interior extensible canopy (3); Horizontal jack (6) is hinged with between each described unit back timber (1) and its laterally adjacent unit back timber;
Lower longitudinal jack (40) is hinged with between each described unit base (8) and its longitudinally adjacent unit base; Lower horizontal jack (60) is hinged with between each described unit base (8) and its laterally adjacent unit base.
2. the light-duty forepoling hydraulic support of underground coal mine according to claim 1, it is characterized in that: the upper end of described hydraulic vertical prop (5) and the lower end of described unit back timber (1) hinged, the lower end of described hydraulic vertical prop (5) is fixedly connected with described unit base (8) is vertical.
3. the light-duty forepoling hydraulic support of underground coal mine according to claim 1, it is characterized in that: described unit back timber (1) and the side face articulated section of unit base (8) are vertical hinged-supports, the two ends of described upper horizontal jack (6) are connected with described unit back timber (1) by adapter sleeve (7); The two ends of described lower horizontal jack (60) are connected with described unit base (8) by adapter sleeve (7).
4. the light-duty forepoling hydraulic support of underground coal mine according to claim 1, it is characterized in that: described unit back timber (1) and the side face articulated section of unit base (8) are horizontal hinged-supports, one end of described upper horizontal jack (6) is connected with described unit back timber (1) by adapter sleeve (7); One end of described lower horizontal jack (60) is connected with described unit base (8) by adapter sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520932165.2U CN205135686U (en) | 2015-11-20 | 2015-11-20 | Colliery is light -duty advance support hydraulic support in pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520932165.2U CN205135686U (en) | 2015-11-20 | 2015-11-20 | Colliery is light -duty advance support hydraulic support in pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205135686U true CN205135686U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520932165.2U Expired - Fee Related CN205135686U (en) | 2015-11-20 | 2015-11-20 | Colliery is light -duty advance support hydraulic support in pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205135686U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677538A (en) * | 2020-06-16 | 2020-09-18 | 陕西竹园嘉原矿业有限公司 | Circulating rolling type advance hydraulic support and using method thereof |
| CN112922648A (en) * | 2021-04-07 | 2021-06-08 | 中国矿业大学 | Rail mounted hydraulic pressure sectional shelf-unit |
-
2015
- 2015-11-20 CN CN201520932165.2U patent/CN205135686U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677538A (en) * | 2020-06-16 | 2020-09-18 | 陕西竹园嘉原矿业有限公司 | Circulating rolling type advance hydraulic support and using method thereof |
| CN112922648A (en) * | 2021-04-07 | 2021-06-08 | 中国矿业大学 | Rail mounted hydraulic pressure sectional shelf-unit |
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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: 20160406 Termination date: 20161120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |