CN204827504U - Three a set of formula end tail supports - Google Patents
Three a set of formula end tail supports Download PDFInfo
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- CN204827504U CN204827504U CN201520585891.1U CN201520585891U CN204827504U CN 204827504 U CN204827504 U CN 204827504U CN 201520585891 U CN201520585891 U CN 201520585891U CN 204827504 U CN204827504 U CN 204827504U
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Abstract
The utility model belongs to the technical field of mine equipment, specifically provide a three a set of formula end tail supports, including support subject, set up in the base of support subject bottom, set up in the back timber at support subject top, wherein, the base includes side arm base, well rest base seat, after -frame base, all connect through two sets of lapse jack between side arm base, well rest base seat, the after -frame base, the back timber is all corresponding articulated through the stand with the base, this three a set of formula end tail supports, through the design of strutting the comprehensive hydraulic prop who adopts working face end tail increase side arm + well frame + after -frame, two sets of bases lapse jack has been solved and has been held the tailstock to move the difficult problem of booster quantity not sufficient, the problem of combine and to put working face end tail and strut to combine with the working face and adopt not phase -match of the equipment of strutting is solved, eliminate the comprehensive caving coal working face of adopting of puzzlement simultaneously and held tail and advance heading to strut the potential safety hazard that the ability is not enough, promoted and combined the level of mechanization of putting working face end tail region and strutting, ensured comprehensive high -efficient production safely of putting the working face.
Description
Technical field
The utility model belongs to mining equiment technical field, is specifically related to a kind of three frame one group of formula end tail support.
Background technology
Hydraulic support is at fully-mechanized mining working roof supporting and balance roof pressure, provides protection and a kind of iron and steel structure in supporting coal work space to operating personnel, coal mining, haulage device; End tail support is the support apparatus of the safe mouth of fully-mechanized mining working, is combine to adopt an indispensable part in three machine corollary equipments.The investment of hydraulic support accounts for work plane and combines the use more than 60 ~ 70% of adopting a complete set of equipment gross investment, its compliance and reliability be determine work plane can safety, High-efficient Production key factor; Hydraulic support is using highly pressurised liquid as medium, under the instruction of hydraulic control component, carried out the action of each structural member of support by hydraulic actuator (column, jack), thus realized the setting prop needed for coal-face supporting, propelling and Roof Control, fall post, pushing and sliding, move frame four basic functions and various miscellaneous function.
China started the fully-mechanized mining equipment of the countries such as extensive equipment Imported From German EMH Company, Britain from 1973, experienced by digestion, absorb and improve the process improved, defined more perfect design, manufacture and research system.Initial hydraulic support has brettis, frame, shield, its performance and reliability poor; By introducing two-pier shielding type and the four-leg shock support of foreign country, the representative support of scientific research personnel's independent development is as QY series and ZY series stent, wherein QY31 and ZY35 support obtains and promotes the use of in a big way, and this in period support reliability still with abroad there is a big difference, and the translational speed of support is slower.
In addition, the design of hydraulic support must match with the equipment of work plane, and the ∏ type steel shed hydraulic prop supporting that existing coal mine fully-mechanized mining working end tail adopts, labor strength is large, supporting intensity is low, safety condition is poor, can not ensure the safety of Coal Mining Equipment Complement work plane, High-efficient Production.
Utility model content
The purpose of this utility model is that the labor strength that the ∏ type steel shed hydraulic prop supporting overcoming the employing of existing coal mine fully-mechanized mining working end tail exists is large, and supporting intensity is low, safety condition difference problem.
For this reason, the utility model provides a kind of three frame one group of formula end tail support, the back timber comprising rack body, be arranged at base bottom rack body, be arranged at rack body top, wherein, described rack body comprises side arm, middle frame and after-frame successively, described base comprises side arm base, middle frame base, after-frame base, and described side arm base is all fixedly connected with by advancing jack with between after-frame base with middle frame base, middle frame base; Described back timber comprises side arm back timber, middle frame back timber, after-frame back timber, and described side arm back timber and side arm base, described middle frame back timber and middle frame base, described after-frame back timber and after-frame base are all by column chain connection; The front end of described side arm back timber, middle frame back timber, after-frame back timber is provided with extensible canopy; The first four-bar linkage structure is fixedly connected with between described side arm back timber and side arm base; Reverse-four-link-bar structure is fixedly connected with between described middle frame back timber and middle frame base; The second four-bar linkage structure is fixedly connected with between described after-frame back timber and after-frame base; The extensible canopy of described middle frame back timber coordinates the advancing jack between side arm base and middle frame base and side arm back timber to cooperatively interact, and ensures carrying out smoothly of working face; The extensible canopy of described after-frame back timber front end adds the supporting scope of whole end tail support, enhances the support capacity of whole end tail support.
Above-mentioned a kind of three frame one group of formula end tail support, described side arm base is all fixedly connected with by advancing jack with between after-frame base with middle frame base, middle frame base, the bi-directional push-pull action of advancing jack realize side arm, middle frame, after-frame certainly move frame operation.
Above-mentioned a kind of three frame one group of formula end tail support, described side arm back timber is identical apart from the height value of frame base, after-frame back timber distance after-frame base in side arm base, middle frame back timber distance, described base all adopts box-type rigid base, integral rigidity and intensity good, base contacts area is large, is conducive to reducing the specific pressure to base plate.
Above-mentioned a kind of three frame one group of formula end tail support, described first four-bar linkage structure, reverse-four-link-bar structure all adopt double leval jib four-column type structure; Described second four-bar linkage structure adopts double leval jib two pole structure, the horizontal thrust contributing to keeping stable beam-ends distance and bear.
Above-mentioned a kind of three frame one group of formula end tail support, described back timber both sides are respectively arranged with interchangeable one-sided movable side protection plate, face guard; High strength steel plate Combination Welding all selected by described side arm, middle frame and after-frame, and the process all eliminated stress after assembly welding; Described face guard and back timber hinged, play wall supporting, interim before beam action; Described side guard board improves the protective capacities of support.
The beneficial effects of the utility model: this three frame that the utility model provides one group of formula end tail support, by increasing the design of the hydraulic prop supporting using side arm+middle frame+after-frame to fully-mechanized mining working end tail, define a kind of three frame one group of formula end tail support, two groups of base advancing jacks solve the difficult problem that end tailstock moves booster quantity not sufficient; Solve the tail supporting of fully mechanized coal face end and work plane combines the problem of adopting support apparatus and not matching; Eliminate the potential safety hazard of puzzlement comprehensive extracting and caving face termination and winnning-off supporting; Improve the mechanization degree of fully mechanized coal face end tail region supporting, ensure the safety of fully mechanized coal face, High-efficient Production, practical.
Below with reference to drawings and Examples, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment side arm 3.
Fig. 2 is the connection block diagram of the utility model embodiment side arm base 6, middle frame base 7, after-frame base 8.
Fig. 3 is the structural representation of frame 4 in the utility model embodiment.
Fig. 4 is the structural representation of the utility model embodiment after-frame 5.
Description of reference numerals: 1, reverse-four-link-bar structure; 2, the second four-bar linkage structure; 3, side arm; 4, middle frame; 5, after-frame; 6, side arm base; 7, middle frame base; 8, after-frame base; 9, advancing jack; 10, side arm back timber; 11, middle frame back timber; 12, after-frame back timber; 13, the first four-bar linkage structure.
Detailed description of the invention
Reaching for setting forth the utility model further the technological means and effect that predetermined object takes, below in conjunction with drawings and Examples to detailed description of the invention of the present utility model, architectural feature and effect thereof, being described in detail as follows.
Embodiment 1:
One three frame shown in composition graphs 1 to Fig. 4 one group of formula end tail support, the back timber comprising rack body, be arranged at base bottom rack body, be arranged at rack body top, wherein, rack body comprises side arm 3, middle frame 4 and after-frame 5 successively, base comprises side arm base 6, middle frame base 7, after-frame base 8, and side arm base 6 is all fixedly connected with by advancing jack 9 with between after-frame base 8 with middle frame base 7, middle frame base 7; Back timber comprises side arm back timber 10, middle frame back timber 11, after-frame back timber 12, and side arm back timber 10 and side arm base 6, middle frame back timber 11 and middle frame base 7, after-frame back timber 12 and after-frame base 8 are all by column chain connection; The front end of side arm back timber 10, middle frame back timber 11, after-frame back timber 12 is provided with extensible canopy; The first four-bar linkage structure 13 is fixedly connected with between side arm back timber 10 and side arm base 6; Reverse-four-link-bar structure 1 is fixedly connected with between middle frame back timber 11 and middle frame base 7; The second four-bar linkage structure 2 is fixedly connected with between after-frame back timber 12 and after-frame base 8; The extensible canopy of middle frame back timber 11 coordinates the advancing jack 9 between side arm base 6 and middle frame base 7 to cooperatively interact with side arm back timber 10, ensures carrying out smoothly of working face; The extensible canopy of after-frame back timber 12 front end adds the supporting scope of whole end tail support, enhances the support capacity of whole end tail support.
Wherein, side arm back timber 10 apart from side arm base 6, middle frame back timber 11 apart from frame base 7, after-frame back timber 12 identical apart from the height value of after-frame base 8, base all adopts box-type rigid base, box-type rigid base integral rigidity and intensity good, base contacts area is large, be conducive to reducing the specific pressure to base plate, and be provided with end tune oil cylinder, possess backing positions side conditioning function.
Wherein, the first four-bar linkage structure 13, reverse-four-link-bar structure 1 all adopt double leval jib four-column type structure; Second four-bar linkage structure 2 adopts double leval jib two pole structure; The horizontal thrust contributing to keeping stable beam-ends distance and bear.
Wherein, back timber both sides are respectively arranged with one-sided movable side protection plate, face guard; High strength steel plate Combination Welding all selected by side arm 3, middle frame 4 and after-frame 5, and the process all eliminated stress after assembly welding; Wherein, face guard and back timber hinged, play wall supporting, interim before beam action; Side guard board improves the protective capacities of support entirety.
Embodiment 2:
On the basis of embodiment 1, the one-sided movable side protection plate that back timber both sides are arranged, side is fixed, side is movable, the limit gusset of fixed side guard board and beam, can increase the bulk strength of beam, alleviate support quality, and movable side backplate then has good gear cash sealing and guidance quality, supporting width is adjustable flexibly, adaptable to the change of crossheading face; And the face guard of back timber both sides is interchangeable, be applicable to left and right working face mining, and hinged with back timber entirety, play wall supporting, interim front beam action; Side guard board combines with face guard, improves the protective capacities of support entirety.
Embodiment 3:
On the basis of embodiment 1, middle frame back timber 11, middle frame base 7 are two joint structures, and are all connected by high-strength pin between two joint structures, are convenient to tear fortune open and install; Base all adopts box-type rigid base, and it has good rigidity, feature that intensity is large, and base contacts area is large, is conducive to reducing the specific pressure to base plate, and is provided with the end and adjusts oil cylinder, possesses backing positions side conditioning function.
Embodiment 4:
On the basis of embodiment 1, the first four-bar linkage structure 13, reverse-four-link-bar structure 1 all adopt double leval jib four-column type structure, and the second four-bar linkage structure 2 adopts double leval jib two pole structure, the horizontal thrust contributing to keeping stable beam-ends distance and bear; Two pole structures that second four-bar linkage structure 2 adopts, adapt with the tail end short beam of after-frame back timber 12, can adapt to the safety requirements of work plane corner supporting better.
This three frame one group of formula end tail support, be applied to the end tail of fully-mechanized mining working, possess setting prop, fall post, pushing and sliding, move frame four elemental motions, the high-pressure emulsion that these actions all utilize pumping plant to supply promote several different hydraulic jack thus coordinate the piston rod of advancing jack 9, column and extensible canopy flexible come.
Setting prop: when needs support rising supporting roof, staff can pull column control valve handle to setting prop position, high-pressure emulsion enters the cavity of resorption (plunger shaft) of column through hydraulic control one-way valve, promotes piston and rises, make the back timber close contact top board be connected with piston rod; Post falls: when needs support decline back timber leaves top board, staff can pull column control valve handle to falling post position, high-pressure emulsion enters the epicoele (rod end chamber) of column through hydraulic control one-way valve, column piston rod is declined, make back timber leave top board, column cavity of resorption (plunger shaft) is in back liquid status always.
Pushing and sliding and move frame (conveyer and support reach): conveyer and support reach be all by connecting side arm base 6 and middle frame base 7, advancing jack 9 between middle frame base 7 and after-frame base 8 come.When needs conveyer moves forward, pull advancing jack 9 control valve handle to pushing and sliding position, high-pressure emulsion enters the back cavity (plunger shaft) of advancing jack, and rod end chamber returns liquid, is at this moment fulcrum with support, extensible canopy is stretched out, conveyer is pushed to rib; When needs support moves forward, post unloading is first fallen, pull advancing jack 9 control valve handle to moving rack position, high-pressure emulsion enters the ante-chamber (rod end chamber) of advancing jack 9 through hydraulic control one-way valve, plunger shaft returns liquid, at this moment be fulcrum with conveyer, promote cylinder body and the pedestal forward lead of advancing jack 9, support is pulled to rib.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (5)
1. a frame one group of formula end tail support, the back timber comprising rack body, be arranged at base bottom rack body, be arranged at rack body top, it is characterized in that: described rack body comprises side arm (3), middle frame (4) and after-frame (5) successively, described base comprises side arm base (6), middle frame base (7), after-frame base (8), and described side arm base (6) is with middle frame base (7), be all fixedly connected with by advancing jack (9) between middle frame base (7) with after-frame base (8); Described back timber comprises side arm back timber (10), middle frame back timber (11), after-frame back timber (12), and described side arm back timber (10) and side arm base (6), described middle frame back timber (11) and middle frame base (7), described after-frame back timber (12) and after-frame base (8) are all by column chain connection; The front end of described side arm back timber (10), middle frame back timber (11), after-frame back timber (12) is provided with extensible canopy; The first four-bar linkage structure (13) is fixedly connected with between described side arm back timber (10) and side arm base (6); Reverse-four-link-bar structure (1) is fixedly connected with between described middle frame back timber (11) and middle frame base (7); The second four-bar linkage structure (2) is fixedly connected with between described after-frame back timber (12) and after-frame base (8).
2. its a kind of three frame according to claim 1 one group of formula end tail support, be characterised in that: described side arm base (6) with middle frame base (7), be all fixedly connected with by advancing jack (9) between middle frame base (7) with after-frame base (8), the bi-directional push-pull action of advancing jack (9) realize side arm (3), middle frame (4), after-frame (5) certainly move frame operation.
3. a kind of three frame according to claim 1 one group of formula end tail support, it is characterized in that: described side arm back timber (10) is identical apart from the height value of frame base (7), after-frame back timber (12) distance after-frame base (8) in side arm base (6), middle frame back timber (11) distance, and described base all adopts box-type rigid base.
4. a kind of three frame according to claim 1 one group of formula end tail support, is characterized in that: described first four-bar linkage structure (13), reverse-four-link-bar structure (1) all adopt double leval jib four-column type structure; Described second four-bar linkage structure (2) adopts double leval jib two pole structure.
5. its a kind of three frame according to claim 1 one group of formula end tail support, is characterised in that: described back timber both sides are respectively arranged with interchangeable one-sided movable side protection plate, face guard; High strength steel plate Combination Welding all selected by described side arm (3), middle frame (4) and after-frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520585891.1U CN204827504U (en) | 2015-08-06 | 2015-08-06 | Three a set of formula end tail supports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520585891.1U CN204827504U (en) | 2015-08-06 | 2015-08-06 | Three a set of formula end tail supports |
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| Publication Number | Publication Date |
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| CN204827504U true CN204827504U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520585891.1U Active CN204827504U (en) | 2015-08-06 | 2015-08-06 | Three a set of formula end tail supports |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412528A (en) * | 2018-04-23 | 2018-08-17 | 山东塔高矿业机械装备制造有限公司 | Based on the hydraulic support device and method for protecting support for extending tunnel |
-
2015
- 2015-08-06 CN CN201520585891.1U patent/CN204827504U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412528A (en) * | 2018-04-23 | 2018-08-17 | 山东塔高矿业机械装备制造有限公司 | Based on the hydraulic support device and method for protecting support for extending tunnel |
| CN108412528B (en) * | 2018-04-23 | 2019-09-17 | 山东塔高矿业机械装备制造有限公司 | Based on the hydraulic support device and method for protecting support for extending tunnel |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |