CN203050755U - Automatic movement type advance support bracket group - Google Patents
Automatic movement type advance support bracket group Download PDFInfo
- Publication number
- CN203050755U CN203050755U CN 201320098484 CN201320098484U CN203050755U CN 203050755 U CN203050755 U CN 203050755U CN 201320098484 CN201320098484 CN 201320098484 CN 201320098484 U CN201320098484 U CN 201320098484U CN 203050755 U CN203050755 U CN 203050755U
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- oil cylinder
- bracket
- base
- advance support
- back timber
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Abstract
The utility model provides an automatic movement type advance support bracket group consisting of a front bracket, a middle part propelling mechanism and a back bracket, which are connected in sequence; the middle part propelling mechanism is composed of a propelling beam, an inclined support oil cylinder and a propelling oil cylinder, one end of the propelling beam is connected with the base of the front bracket, and the other end of the propelling beam is connected with the base of the back bracket through the propelling oil cylinder; and the inclined support oil cylinder is connected between the propelling beam and the front bracket. The automatic movement type advance support bracket group provided by the utility model is arranged at the outlet of an air vent of a working surface in an upright post supporting and shielding bracket type, so that the air blockage area of the bracket on the ventilation of the working surface is reduced, the ventilation of the working surface is facilitated, the stability is good, and the weight of the bracket is further reduced. Meanwhile, the safety and reliability of the bracket are improved, the labor intensity of workers is reduced, and the safety of support working is improved.
Description
Technical field
The utility model relates to for coal mine fully-mechanized mining working return airway advance support, is specifically related to a kind of automatic moving type advance support rack group.
Background technology
For guarantee the excavation of construction of tunnel under the coal mine face stabilizer and the ancillary method that is ahead of excavation taked, as advance anchor bolt supporting or leading little steel pipe supporting, leading pipe shed support and grouting reinforcement rock and intercept advance support measure such as water.Stipulate according to " safety regulations in coal mine ": fully-mechanized mining working return airway advance support scope can not be less than 20m.
At present, in the leading 20m scope of domestic return airway, the general support pattern that adopts individual prop frame plate beam, this support pattern are difficult to adapt to the high mechanization of current coal mine fully-mechanized mining working, the production model that high-yield and high-efficiency advances fast, and have following point in the supporting process:
1, under the softer or broken situation of, roadway surrounding rock big at face pressure, can occur that the tunnel is difficult to management and section shrinks, the tunnel needs keep in repair repeatedly when serious, has increased cost of winning;
2, big, the poor stability of labor strength and support speed are slow, can not be complementary with the high-yield and high-efficiency fully-mechanized mining working.
Therefore, the urgent need development is a kind of can satisfy the preceding supporting of 20m wide-ultra, can realize that again the quick advance support rack that advances of work plane becomes the needs in the current production.
The utility model content
The utility model will solve above-mentioned deficiency exactly, and a kind of automatic moving type advance support rack group is provided, and realizes that fully-mechanized mining working advances fast, with the quick production model that advances of high-yield and high-efficiency, and has guaranteed production safety.
In order to reach above-mentioned effect, the utility model provides a kind of automatic moving type advance support rack group, is connected to form successively by side arm, middle part thrust gear and after-frame; Described middle part thrust gear is by passing beam, diagonal brace oil cylinder and passing oil cylinder and form, and an end of described passing beam is connected with the base of side arm, and the other end of passing beam is connected with the base of after-frame by passing oil cylinder; Described diagonal brace oil cylinder is connected in to be passed between beam and the side arm.
Pass beam in this device and form soft base with side arm base and diagonal brace oil cylinder, the diagonal brace oil cylinder can be passed the beam pendulum angle according to the variation adjustment on floor, tunnel, to adapt to the roadway floor fluctuations.
Described side arm and after-frame include base and back timber, are installed with column between described base and the back timber; Described back timber below also is provided with caving shield, and the lower end of described caving shield is respectively equipped with front rod and the back link that is connected with base; Described diagonal brace oil cylinder is connected between the back link of passing beam and side arm.
Described caving shield is connected with back timber by universal joint cross.After using universal joint cross to connect, back timber can tilt left, right, front and rear, and the ability that adapts to the return airway top board strengthens rapidly, and the top board that has satisfied in the large tracts of land supporting scope tilts or the out-of-flatness phenomenon.The cross connector can also make caving shield and connection bearing pin be subjected to the moment of torsion that produces from back timber, and more common force piece further reduces, and has both satisfied requirement of strength, has alleviated weight support frame again, makes support in use more flexible.
Be connected with two passing oil cylinders that are arranged side by side between the base of described passing beam and after-frame.Passing oil cylinders for two can control separately, can realize tuningout and about turn, thereby reach the flexible control of support being passed direction.
Connect the top effect preferably in order to adapt to return airway top board condition better, to reach, described back timber is the hinge type back timber, and the both sides of described back timber are provided with the rollover beam.Hinged forward and backward beam can be realized 15 ° of swings up and down under the effect of short column jack, to adapt to rugged top board in the tunnel.Have the rollover beam about front and rear beam respectively, to realize the protecting top to greatest extent, avoid the top board stone to stride, injure the personnel in the pit by a crashing object.
Advance support rack group of the present utility model adopts upright supports protected type frame type, good stability.Groups of holders is positioned over face-airing mouth exit, therefore adopts narrow caving shield, narrow bar linkage structure to reduce the choke area of support to face-airing, is conducive to face-airing, and has further reduced weight support frame.Back timber adopts the universal type cross head to be connected with caving shield, makes the main canopy body to the various uneven condition better adaptability of return airway top board, can effectively alleviate groups of holders simultaneously and bear horizontal torsional moment, has improved stent safety, reliability.Frame adopts the monolithic base before and after the support, can effectively reduce the base specific pressure, reduces support to the destruction of base plate.
Groups of holders of the present utility model further strengthens than individual prop the roadway surrounding rock control ability, can effectively control the roof collapse accident of leading pressure influence section.After using the advance support rack group, the quantity that can suitably reduce bolting with wire mesh and set up H shaped steel shack, and the working space under the advance support rack, safety is better than individual prop.And make return airway completely abolish the individual prop supporting, and greatly reduce labor strength, improved the safety of supporting operation; Owing to realized the automation of advance support operation, accelerated advance support speed simultaneously, more can be complementary with the high-yield and high-efficiency fully-mechanized mining working.
So, this device had both satisfied at present " safety regulations in coal mine " to return airway supporting requirement, guarantee coal mine fully-mechanized mining working safety again, produced efficiently, further reduced cost of production and labor strength, had bigger economic benefit and social benefit.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the utility model structural representation;
Fig. 2 is side arm structural representation in the utility model;
Among the figure: the 1-back timber, the 2-column, the 3-base, the 4-front rod, the 5-back link, 6-diagonal brace oil cylinder, 7-passes beam, and 8-passes oil cylinder, 9-caving shield.
The specific embodiment
As shown in Figure 1 and Figure 2, a kind of automatic moving type advance support rack group is connected to form successively by side arm, middle part thrust gear and after-frame; Described middle part thrust gear is by passing beam 7, diagonal brace oil cylinder 6 and passing oil cylinder 8 and form, and an end of described passing beam 7 is connected with the base 3 of side arm, and the other end of passing beam 7 is connected with the base of after-frame by two passing oil cylinders 8 that are arranged side by side; Described side arm and after-frame include base 3 and back timber 1, are installed with column 2 between described base 3 and the back timber 1; Described back timber 1 below is connected with caving shield 9 by universal joint cross, and the lower end of described caving shield 9 is respectively equipped with the front rod 4 and back link 5 that is connected with base 3; Described diagonal brace oil cylinder 6 is connected between the back link 5 of passing beam 7 and side arm.Described back timber 1 is the hinge type back timber, and the both sides of described back timber 1 are provided with the rollover beam.
Advance support rack group of the present utility model adopts upright supports protected type frame type, good stability, groups of holders are positioned over face-airing mouth exit, have reduced the choke area of support to face-airing, be conducive to face-airing, and further reduced weight support frame.Back timber adopts the universal type cross head to be connected with caving shield, makes the main canopy body to the various uneven condition better adaptability of return airway top board, can effectively alleviate groups of holders simultaneously and bear horizontal torsional moment, has improved stent safety, reliability.Frame adopts the monolithic base before and after the support, can effectively reduce the base specific pressure, reduces support to the destruction of base plate.Groups of holders has strengthened the roadway surrounding rock control ability, can effectively control the roof collapse accident of leading pressure influence section.And the quantity that reduces bolting with wire mesh and set up H shaped steel shack, greatly reduce labor strength, improved the safety of supporting operation.Owing to realized the automation of advance support operation, accelerated advance support speed simultaneously, more can be complementary with the high-yield and high-efficiency fully-mechanized mining working.
Above embodiment is not limited only to protection domain of the present utility model, all make amendment based on basic thought of the present utility model or change all belong to protection domain of the present utility model.
Claims (5)
1. an automatic moving type advance support rack group is characterized in that: connected to form successively by side arm, middle part thrust gear and after-frame; Described middle part thrust gear is by passing beam, diagonal brace oil cylinder and passing oil cylinder and form, and an end of described passing beam is connected with the base of side arm, and the other end of passing beam is connected with the base of after-frame by passing oil cylinder; Described diagonal brace oil cylinder is connected in to be passed between beam and the side arm.
2. a kind of automatic moving type advance support rack group according to claim 1, it is characterized in that: described side arm and after-frame include base and back timber, are installed with column between described base and the back timber; Described back timber below also is provided with caving shield, and the lower end of described caving shield is respectively equipped with front rod and the back link that is connected with base; Described diagonal brace oil cylinder is connected between the back link of passing beam and side arm.
3. a kind of automatic moving type advance support rack group according to claim 1, it is characterized in that: described caving shield is connected with back timber by universal joint cross.
4. a kind of automatic moving type advance support rack group according to claim 1 is characterized in that: be connected with two passing oil cylinders that are arranged side by side between the base of described passing beam and after-frame.
5. a kind of automatic moving type advance support rack group according to claim 2, it is characterized in that: described back timber is the hinge type back timber, and the both sides of described back timber are provided with the rollover beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320098484 CN203050755U (en) | 2013-02-27 | 2013-02-27 | Automatic movement type advance support bracket group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320098484 CN203050755U (en) | 2013-02-27 | 2013-02-27 | Automatic movement type advance support bracket group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203050755U true CN203050755U (en) | 2013-07-10 |
Family
ID=48733719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320098484 Expired - Fee Related CN203050755U (en) | 2013-02-27 | 2013-02-27 | Automatic movement type advance support bracket group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203050755U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405425A (en) * | 2014-10-29 | 2015-03-11 | 开滦能源化工股份有限公司范各庄矿业分公司 | Self-moving advanced supporting equipment of heading machine |
| CN108729939A (en) * | 2018-04-28 | 2018-11-02 | 中国矿业大学 | A kind of two degrees of freedom is threadingly advanced formula temporary support device |
-
2013
- 2013-02-27 CN CN 201320098484 patent/CN203050755U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405425A (en) * | 2014-10-29 | 2015-03-11 | 开滦能源化工股份有限公司范各庄矿业分公司 | Self-moving advanced supporting equipment of heading machine |
| CN108729939A (en) * | 2018-04-28 | 2018-11-02 | 中国矿业大学 | A kind of two degrees of freedom is threadingly advanced formula temporary support device |
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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: 20130710 Termination date: 20150227 |
|
| EXPY | Termination of patent right or utility model |