CN203248180U - Hydraulic support with caving shield hinged with middle part of top beam - Google Patents
Hydraulic support with caving shield hinged with middle part of top beam Download PDFInfo
- Publication number
- CN203248180U CN203248180U CN 201320293866 CN201320293866U CN203248180U CN 203248180 U CN203248180 U CN 203248180U CN 201320293866 CN201320293866 CN 201320293866 CN 201320293866 U CN201320293866 U CN 201320293866U CN 203248180 U CN203248180 U CN 203248180U
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- CN
- China
- Prior art keywords
- caving shield
- hinged
- top beam
- jack
- back timber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a hydraulic support with a caving shield hinged with the middle part of a top beam and belongs to the technical field of supporting equipment for a coal mine underground stope face. The technical scheme is that the hydraulic support comprises a base (1), the caving shield (4), the top beam (5) and a hydraulic jack (6), wherein one end of the caving shield is hinged with the rear part of the base through swing rods; the other end of the caving shield is hinged with the middle part of the top beam; one end of the hydraulic jack penetrating the caving shield is arranged at the middle part of the base; the other end of the hydraulic jack is hinged with the real part of the top beam; the caving shield and the hydraulic jack are arranged in a crossed manner. According to the hydraulic support with the caving shield hinged with the middle part of the top beam, because the caving shield and the top beam are hinged with the middle part of the top beam, the hydraulic jack used for supporting the top beam directly supports the top beam through penetrating the caving shield, the adjustment between the top beam and the caving shield is not required to be carried out by a balance jack, so that the structure of the support is simpler, the horizontal projection is smaller, and the supporting intensity is higher; the hydraulic support with the caving shield hinged with the middle part of the top beam has the characteristics of simple structure, stable performance and high supporting intensity.
Description
Technical field
The utility model relates to the hydraulic support that a kind of caving shield is hinged on the back timber middle part, belongs to the support apparatus technical field of stope under the coal mine.
Background technology
Hydraulic support is a kind of support apparatus that coal mine fully-mechanized mining working uses, generally the main members such as double swing-bar by base, back timber, caving shield, hydraulic jack, a stabilization form, the background technology existing problems are: back timber tail end and the caving shield front end of hydraulic support are hinged, hydraulic jack withstands on the place ahead supporting top beam of caving shield, and back timber must rely on balance jack to regulate, this is not only so that the vertical equity projection of support is excessive, affect the supporting intensity of support, also so that the structure relative complex of support, manufacturing cost is too high.
The utility model content
The utility model purpose provides the hydraulic support that a kind of caving shield is hinged on the back timber middle part, caving shield is hinged on the back timber middle part, and make hydraulic jack pass the caving shield supporting top beam, simple in structure, the stable performance of support, supporting intensity are high, do not need balance jack to regulate between back timber and the caving shield, solve the problems referred to above that background technology exists.
Technical solutions of the utility model are: a kind of caving shield is hinged on the hydraulic support at back timber middle part, comprises base, caving shield, back timber and hydraulic jack, and an end of caving shield is hinged on the base rear portion by fork, and the other end of caving shield is hinged on the back timber middle part; Hydraulic jack one end that passes caving shield is arranged on the base middle part, and the hydraulic jack other end is hinged on the rear portion of back timber, caving shield and hydraulic jack arranged crosswise.
Described caving shield is provided with through hole, and hydraulic jack is passed the through hole on the caving shield.
Described caving shield is connected with base with upper pendulum bar by draft link; The front end of described back timber is provided with flexible jack and extensible canopy, and is provided with side guard board and thruster jack; The front end of described base is provided with advancing jack.
The beneficial effects of the utility model: the utility model caving shield is hinged on the back timber middle part, and hydraulic jack is intersected pass the caving shield supporting top beam, because caving shield is articulated and connected at the middle part of back timber, the hydraulic jack that is used for supporting top beam is passed the direct supporting top beam of caving shield, do not need balance jack to regulate between back timber and the caving shield, so that the structure of support is more simple, horizontal projection is less, supporting intensity is larger; Have simple in structure, stable performance, supporting intensity high.
Description of drawings
Fig. 1 is the utility model example structure schematic diagram;
Among the figure: base 1, draft link 2, upper pendulum bar 3, caving shield 4, back timber 5, hydraulic jack 6, flexible jack 7, extensible canopy 8, side guard board 9, thruster jack 10, advancing jack 11.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
A kind of caving shield is hinged on the hydraulic support at back timber middle part, comprises base 1, caving shield 4, back timber 5 and hydraulic jack 6, and an end of caving shield is hinged on the base rear portion by fork, and the other end of caving shield is hinged on the back timber middle part; Hydraulic jack one end that passes caving shield is arranged on the base middle part, and the hydraulic jack other end is hinged on the rear portion of back timber, caving shield and hydraulic jack arranged crosswise.
Described caving shield is provided with through hole, and hydraulic jack is passed the through hole on the caving shield.
Described caving shield is connected with upper pendulum bar and is connected with base by draft link 2; The front end of described back timber is provided with flexible jack 7 and extensible canopy 8, and is provided with side guard board 9 and thruster jack 10; The front end of described base is provided with advancing jack 11.
The utility model caving shield is hinged on the back timber middle part, not only so that the compact conformation of support, longitudinal size and the horizontal projection of support reduce, supporting intensity at the constant situation lower carriage of hydraulic jack working resistance increases, because the utility model has been cancelled the balance jack of design between back timber and caving shield, the balance of back timber relies on the hydraulic jack of supporting top beam to regulate fully; More reasonable in order to ensure the strong point distribution that hydraulic jack withstands on the back timber; support adopts hydraulic jack to pass caving shield and is supported on novel designs on the back timber; in the support height change procedure; passing the hydraulic jack of caving shield supporting top beam and the intersecting angle of caving shield and the angle of caving shield and back timber all changes; so design according to the amplitude peak that jack swings for the hole on the caving shield that passes hydraulic jack; therefore; can not enter this hole in order to ensure the spoil in goaf impacts hydraulic jack; not only be designed with the protection facility on the caving shield, also structurally utilize spoil to stride backward " angle of repose " and suitably adjust back timber length and protected.
Claims (3)
1. a caving shield is hinged on the hydraulic support at back timber middle part, it is characterized in that: comprise base (1), caving shield (4), back timber (5) and hydraulic jack (6), one end of caving shield is hinged on the base rear portion by fork, and the other end of caving shield is hinged on the back timber middle part; Hydraulic jack one end that passes caving shield is arranged on the base middle part, and the hydraulic jack other end is hinged on the rear portion of back timber, caving shield and hydraulic jack arranged crosswise.
2. a kind of caving shield according to claim 1 is hinged on the hydraulic support at back timber middle part, and it is characterized in that: described caving shield is provided with through hole, and hydraulic jack is passed the through hole on the caving shield.
3. a kind of caving shield according to claim 1 is hinged on the hydraulic support at back timber middle part, it is characterized in that: described caving shield is connected 3 by draft link (2) with upper pendulum bar) be connected with base; The front end of described back timber is provided with flexible jack (7) and extensible canopy (8), and is provided with side guard board (9) and thruster jack (10); The front end of described base is provided with advancing jack (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320293866 CN203248180U (en) | 2013-05-27 | 2013-05-27 | Hydraulic support with caving shield hinged with middle part of top beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320293866 CN203248180U (en) | 2013-05-27 | 2013-05-27 | Hydraulic support with caving shield hinged with middle part of top beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203248180U true CN203248180U (en) | 2013-10-23 |
Family
ID=49374625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320293866 Expired - Fee Related CN203248180U (en) | 2013-05-27 | 2013-05-27 | Hydraulic support with caving shield hinged with middle part of top beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203248180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314597A (en) * | 2014-11-05 | 2015-01-28 | 冀中能源股份有限公司 | Self-moving end hydraulic support |
-
2013
- 2013-05-27 CN CN 201320293866 patent/CN203248180U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314597A (en) * | 2014-11-05 | 2015-01-28 | 冀中能源股份有限公司 | Self-moving end hydraulic support |
| CN104314597B (en) * | 2014-11-05 | 2016-07-06 | 冀中能源股份有限公司 | A kind of automatic moving type end hydraulic support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20140527 |