CN102787857A - Hydraulic support caving shield and hydraulic support - Google Patents

Hydraulic support caving shield and hydraulic support Download PDF

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Publication number
CN102787857A
CN102787857A CN2012102662801A CN201210266280A CN102787857A CN 102787857 A CN102787857 A CN 102787857A CN 2012102662801 A CN2012102662801 A CN 2012102662801A CN 201210266280 A CN201210266280 A CN 201210266280A CN 102787857 A CN102787857 A CN 102787857A
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CN
China
Prior art keywords
main muscle
caving shield
cover plate
horizontal bar
hydraulic support
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Pending
Application number
CN2012102662801A
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Chinese (zh)
Inventor
郝玲
孟海岗
王悦勇
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Sany Heavy Equipment Co Ltd
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Sany Heavy Equipment Co Ltd
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Publication date
Application filed by Sany Heavy Equipment Co Ltd filed Critical Sany Heavy Equipment Co Ltd
Priority to CN2012102662801A priority Critical patent/CN102787857A/en
Publication of CN102787857A publication Critical patent/CN102787857A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a hydraulic support caving shield and a hydraulic support, wherein the hydraulic support caving shield includes a top plate arranged at the top of the caving shield and used for supporting, main bars and transverse bars that form the caving shield main body structure, a cover plate, and a connecting assembly matched and connected with the hydraulic support, wherein the main bars are arranged on the top plate; the transverse bars are arranged between the main bars; the cover plate is covered on the caving shield main body structure formed by the main bars and the transverse bars, matched with the caving shield main body structure, and connected with the main bars and/or the transverse bars; and the connecting assembly is arranged on the caving shield main body structure formed by the main bars and the transverse bars. Therefore, the hydraulic support caving shield and the hydraulic support not only can enhance the integral torsion resistance of the caving shield, but also can save the solder and the processing work-hour for welding.

Description

Hydraulic support caving shield and hydraulic support
Technical field
The present invention relates to engineering machinery field, particularly a kind of hydraulic support caving shield and hydraulic support.
Background technology
Hydraulic support is the support apparatus of fully-mechanized mining working, and the main effect of said hydraulic support is a supporting stope top board, the maintenance safe working space.
Along with the continuous development of coal mining, also increasingly high to the requirement of hydraulic support.What adopt usually at present, is caving shield shown in Figure 1.With reference to Fig. 1; It shows the form of structure of existing hydraulic support caving shield; As can be seen from Figure 1, existing hydraulic support caving shield be adopt by fritter cover plate 11 with about the main muscle 13, the form of structure that preceding latter linked horizontal bar 12 is formed a plurality of small box that are connected form.There is following shortcoming in existing caving shield:
1) the caving shield weld seam is many, stressed back easy of crack.
2) complex structure is difficult for processing, and it is many to expend man-hour.
3) split type cover plate torsional property is not high.
Summary of the invention
In view of this, the present invention proposes a kind of hydraulic support caving shield and hydraulic support, strengthens the intensity and the whole torsional property of hydraulic support and caving shield thereof.
For achieving the above object, technical scheme of the present invention is achieved in that
On the one hand, the invention provides a kind of hydraulic support caving shield, this hydraulic support caving shield comprises:
The top board that is positioned at the caving shield top and plays a supporting role; Constitute the main muscle and the horizontal bar of said caving shield agent structure; Wherein, this main muscle is arranged on the said top board; This horizontal bar is arranged between the said main muscle; Cover plate, its lid overlay on the caving shield agent structure that said main muscle, horizontal bar form and with said caving shield agent structure and adapt, and said cover plate is connected with said main muscle and/or horizontal bar; Be used for the coupling assembling that is connected with said hydraulic support, this coupling assembling is arranged on the caving shield agent structure that is made up of said main muscle and horizontal bar.
Preferably, in the said apparatus, said cover plate also is provided with the limited block of the said caving shield moving range of restriction.
Preferably, in the said apparatus, said cover plate offers fluting, and said cover plate is connected to said main muscle and/or horizontal bar through this slot welding.
Interchangeablely be, in the said apparatus, said cover plate offers fluting, convexes with double wedge on said main muscle and/or the horizontal bar, the corresponding cover of this double wedge be connected to said fluting and and said fluting between leave the gap; Wherein, said cover plate is connected to said main muscle and/or horizontal bar through said fluting, double wedge.
Preferably, in the said apparatus, said cover plate comprises that lid covers the anterior front end cover plate of said caving shield, lid covers the rear-end plate at said caving shield rear portion and the side cover plate that lid covers two sidepieces of said caving shield; Wherein, this front end cover plate and/or rear-end plate and/or side cover plate are one-body molded.
Preferably, in the said apparatus, said main muscle comprises the first main muscle, the second main muscle, the 3rd main muscle, the 4th main muscle; Said horizontal bar comprises first horizontal bar, second horizontal bar; Wherein, said front end cover plate covers on by on the said first main muscle, the second main muscle, the 3rd main muscle, the 4th main muscle and first horizontal bar that is connected with each main muscle respectively, the structure that second horizontal bar forms.
Preferably, in the said apparatus, said rear-end plate comprises first rear-end plate, second rear-end plate; Said horizontal bar also comprises: the 3rd horizontal bar, the 4th horizontal bar, the 5th horizontal bar; Said first rear-end plate covers on by on the said second main muscle, the 3rd main muscle and the 3rd horizontal bar that is connected with these two main muscle, the structure that the 4th horizontal bar forms; Said second rear-end plate covers on by on the said second main muscle, the 3rd main muscle and the 4th horizontal bar that is connected with these two main muscle, the structure that the 5th horizontal bar forms; Wherein, said first rear-end plate, second rear-end plate are formed in one or separate setting.
Further, in the said apparatus, said side cover plate cover respectively cover be arranged between the said first main muscle and the second main muscle, between the 3rd main muscle and the 4th main muscle; Wherein, said side cover plate comprises first side cover plate, second side cover plate and the 3rd side cover plate; This first side cover plate and/or second side cover plate and/or the 3rd side cover plate are formed in one.
Preferably, in the said apparatus, this caving shield also comprises: be stacked and placed on side guard board on the top board, this side guard board be connected to the slidably support connecting piece of said main muscle; Wherein, said side guard board is positioned at the outside of caving shield, and said main muscle also is provided with connecting hole, and said slidably support connecting piece slidably is connected to said main muscle through said connecting hole.
Further, in the said apparatus, said coupling assembling comprises: the ear seat is covered on the top that is used for being connected with the back timber of hydraulic support, and this top is covered the ear seat and is positioned at the front end of said main muscle and is connected with said main muscle; Be opened in the link hole on the said main muscle, said caving shield is connected with the connecting rod that is connected to hydraulic support foundation through this link hole.
Further, in the said apparatus, said coupling assembling also comprises: be used for the balance ear that is connected with back timber, this balance ear is positioned at the caving shield middle part, and is connected with said main muscle and/or horizontal bar.
On the other hand, the present invention also provides a kind of hydraulic support, and this hydraulic support is provided with any above-mentioned hydraulic support caving shield.
With respect to prior art, the present invention has following advantage:
The present invention adopts the monolithic cover plate, and mechanical property, effective agents enhance overall torsional property more reliably can be provided.
Further, hydraulic support caving shield of the present invention has adopted whole covering plate structure form, thereby has reduced original sectional type cover plate and the many places weld seam that screens beam main tendon; Not only have better intensity and safety factor; Effectively strengthen the whole torsional property of caving shield, and save the machining period of scolder and welding, and can effectively alleviate the weight of caving shield; And process simultaneously convenient, structure is simpler, and be convenient to safeguard.
The hydraulic support that the present invention proposes; Be provided with the described hydraulic support caving shield of above-mentioned arbitrary embodiment; Because above-mentioned any hydraulic support caving shield has above-mentioned technique effect, therefore, the hydraulic support that is provided with this hydraulic support caving shield also should possess the corresponding techniques effect.
Description of drawings
The accompanying drawing that constitutes a part of the present invention is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, does not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of existing hydraulic support caving shield;
Fig. 2 is the perspective view of embodiment of the invention hydraulic support caving shield;
Fig. 3 is the decomposing schematic representation of embodiment of the invention hydraulic support caving shield;
Fig. 4 is the assembling sketch map of embodiment of the invention hydraulic support caving shield;
Fig. 5 is the schematic top plan view of embodiment of the invention hydraulic support caving shield;
Fig. 6 is the schematic side view of embodiment of the invention hydraulic support caving shield.
Description of reference numerals
11 cover plates
12 horizontal bars
13 main muscle
20 top boards
21 main muscle
The 21a first main muscle
The 21b second main muscle
21c the 3rd main muscle
21d the 4th main muscle
22 horizontal bars
22a first horizontal bar
22b second horizontal bar
22c the 3rd horizontal bar
22d the 4th horizontal bar
22e the 5th horizontal bar
23 support horizontal bar
23a first supports horizontal bar
23b second supports horizontal bar
23c the 3rd supports horizontal bar
23d the 4th supports horizontal bar
24 front end cover plates
241 limited blocks
242 containing holes
243 flutings
243a first fluting
243b second fluting
243c the 3rd fluting
25 rear-end plates
251 first rear-end plates
252 second rear-end plates
26 side cover plates
261 first side cover plates
262 second side cover plates
263 the 3rd side cover plates
28 double wedges
281 first double wedges
282 second double wedges
283 the 3rd double wedges
30 link holes
The 30a first connecting rod connects the hole
The 30b second connecting rod connects the hole
31 connecting holes
31a first connecting hole
31b second connecting hole
31c the 3rd connecting hole
The ear seat is covered on 32 tops
The ear seat is covered on 321 first tops
The ear seat is covered on 322 second tops
323 ear flap plates
Earhole is covered on 324 tops
32a covers hinged otic placode in first top
32b covers hinged otic placode in second top
32c covers hinged otic placode in the 3rd top
32d covers hinged otic placode in the 4th top
40 balance ears
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the present invention can make up each other.
Basic thought of the present invention is: design a kind of new type hydraulic support caving shield, adopt the cover plate form after integrated cover plate or part are integrated, and limited block is designed in cover plate.So, not only can strengthen the whole torsional property of caving shield, and can save the machining period of scolder and welding.
Below in conjunction with accompanying drawing, each preferred embodiment of the present invention is described further:
With reference to Fig. 2, it shows the structure of embodiment of the invention hydraulic support caving shield, and this hydraulic support caving shield comprises: top board 20, main muscle 21, horizontal bar 22, cover plate and coupling assembling.Wherein:
Top board 20 is positioned at the caving shield top and plays a supporting role; Main muscle 21 constitutes said caving shield agent structure with horizontal bar 22.
Main muscle 21 is arranged on the said top board 20, and horizontal bar 22 is arranged between the said main muscle 21, and horizontal bar 22 is connected with said main muscle 21.
Said cover plate lid overlays on the caving shield agent structure that said main muscle 21, horizontal bar 22 form and with said caving shield agent structure and adapts, and said cover plate is connected with said main muscle 21 and/or horizontal bar 22.
Said coupling assembling is used for being connected with said hydraulic support, and said coupling assembling is arranged on the caving shield agent structure that is made up of said main muscle 21 and horizontal bar 22.
In the present embodiment, said coupling assembling comprises that the top that is used for being connected with the back timber of hydraulic support covers the ear seat, and this top is covered the ear seat and is positioned at the front end of said main muscle 21 and is connected with said main muscle 21.
In the present embodiment, said cover plate comprises that lid covers the anterior front end cover plate 24 of said caving shield, lid covers the rear-end plate 25 at said caving shield rear portion and the side cover plate 26 that lid covers two sidepieces of said caving shield.Wherein, this front end cover plate 24 and/or rear-end plate 25 and/or side cover plate 26 are one-body molded.
Be provided with four main muscle 21 in the hydraulic support caving shield of present embodiment; As shown in Figure 2; Be respectively the first main muscle 21a, the second main muscle 21b, the 3rd main muscle 21c, the 4th main muscle 21d; Their position is covered the ear seat according to the top of the back timber that is mated and is confirmed, like this, and after covering the ear seat and confirm the position of the first main muscle 21a, the second main muscle 21b, the 3rd main muscle 21c, the 4th main muscle 21d according to said top; The first main muscle 21a, the second main muscle 21b, the 3rd main muscle 21c, the 4th main muscle 21d are reasonably distributed and be welded on the top board 20, and and then confirm that in view of the above the top covers thickness and position that hinged otic placode is covered on each top of ear seat.
Here, in conjunction with Fig. 3 to Fig. 6 embodiments of the invention are described further:
As shown in Figure 3, said horizontal bar 22 reasonably is distributed between the first main muscle 21a, the second main muscle 21b, the 3rd main muscle 21c, the 4th main muscle 21d according to stressing conditions, and is connected with each main muscle.
In the present embodiment; Said hydraulic support caving shield has adopted the structure of cover plate form; Thereby can reduce original sectional type cover plate and the many places weld seam that screens beam main tendon, save the machining period of scolder and welding, can effectively increase the whole torsional property of caving shield simultaneously.
Preferably, said cover plate also is provided with the limited block 241 of the said caving shield moving range of restriction.Limited block 241 is arranged at the middle part of said cover plate, cooperate back timber adjustment caving shield upwards, downward moving range.
The limited block design that the caving shield front end is cooperated with back timber makes said limited block and said cover plate become global facility in said cover plate, and this not only can simplified design; Reduce manufacturing procedure; Save machining period, can also be easy to process, practice thrift the practicality more of cost and structure
In the present embodiment, said cover plate is through offering fluting, and adopts plug welding and said main muscle 21 and horizontal bar 22 to weld.Said cover plate offers the fluting 243 more than three,
Fluting 243 is an example with three, with reference to shown in Figure 3, is respectively the first fluting 243a, the second fluting 243b, the 3rd fluting 243c.Said cover plate adopts the plug welding mode to be soldered to said main muscle 21, horizontal bar 22 through the first fluting 243a, the second fluting 243b, the 3rd fluting 243c.
Interchangeable with above-mentioned connected mode is that said cover plate offers more than three and slots 243, and is to improve whole torsional property and guarantee that cover plate is connected with the tight of caving shield main body; Preferably convex with double wedge 28 on said main muscle 21, the horizontal bar 22; These double wedge 28 corresponding covers are connected to said fluting 243, and, leave appropriate gap between double wedge 28 after the socket and the fluting 243; To guarantee processing, easy for installation, rationally avoid inaccurate and can't the installing of causing in location that mismachining tolerance causes.Like this, double wedge 28 is matched with the fluting 243 of said cover plate, and apply plug welding, said cover plate plug welding is connected to said main muscle 21 and/or horizontal bar 22.
As shown in Figure 4, fluting 243 is an example with three, is respectively the first fluting 243a, the second fluting 243b, the 3rd fluting 243c.Corresponding fluting 243 is provided with three double wedges 28, is respectively: first double wedge 281, second double wedge 282, the 3rd double wedge 283.First double wedge 281, second double wedge 282, the 3rd double wedge 283 corresponding covers are connected to the first fluting 243a, the second fluting 243b, the 3rd fluting 243c.Leave appropriate gap between double wedge 28 after the socket and fluting 243 as first double wedge 281 and the first fluting 243a; Like this, between double wedge that matches 28 and fluting 243, apply plug welding, they are fixed; Not only increase the whole resistance to torsion of caving shield, and easy for installation.
In a preferred embodiment, said fluting 243 is a rectangular channel, and said double wedge 28 can be the rectangular teeth that matches with said fluting 243, and certainly, the shape of present embodiment cross-notching 243 and double wedge 28 does not limit.
Therefore, present embodiment adopts cover plate, not only can effectively improve torsional property, has better intensity and safety factor, and simple in structure, is convenient to safeguard.
Among above-mentioned each embodiment, said cover plate comprises that lid covers the anterior front end cover plate 24 of said caving shield, lid covers the rear-end plate 25 at said caving shield rear portion and the side cover plate 26 that lid covers two sidepieces of said caving shield.Wherein, this front end cover plate 24, rear-end plate 25 and side cover plate 26 are one-body molded.Optional is that front end cover plate 24 is one-body molded with rear-end plate 25; Perhaps, front end cover plate 24 is one-body molded with side cover plate 26; Perhaps, rear-end plate 25 is one-body molded with side cover plate 26.Preferably, front end cover plate 24, rear-end plate 25 and side cover plate 26 are one-body molded, constitute cover plate as a whole.
Optional is; Front end cover plate 24, rear-end plate 25 and side cover plate 26 separate or setting separated by a distance; In the present embodiment; Although front end cover plate 24, rear-end plate 25 and side cover plate 26 are the sectional type cover plate,, front end cover plate 24, rear-end plate 25, side cover plate 26 become one separately and integrate cover plate.Below front end cover plate 24, rear-end plate 25, side cover plate 26 after just integrating respectively be described further:
As shown in Figure 3; Front end cover plate 24 forms a whole cover plate alone, covers on the front end of the caving shield agent structure that is formed by the first main muscle 21a, the second main muscle 21b, the 3rd main muscle 21c, the 4th main muscle 21d and the first horizontal bar 22a that is connected with each main muscle respectively, the second horizontal bar 22b.
Said front end cover plate 24 also is provided with the limited block 241 of the said caving shield moving range of restriction.As shown in Figure 3, limited block 241 is arranged at the rear end of said front end cover plate 24, cooperate back timber adjustment caving shield upwards, downward moving range.
As shown in Figure 3, said front end cover plate 24 also offers containing hole 242, the parts that containing hole 242 ccontaining hydraulic supports are convexly equipped with out.
As shown in Figure 3; Rear-end plate 25 comprises first rear-end plate 251, second rear-end plate 252, and said first rear-end plate 251 covers on by on the said second main muscle 21b, the 3rd main muscle 21c and the 3rd horizontal bar 22c that is connected with these two main muscle, the structure that the 4th horizontal bar 22d forms; Said second rear-end plate 252 covers on by on the said second main muscle 21b, the 3rd main muscle 21c and the 4th horizontal bar 22d that is connected with these two main muscle, the structure that the 5th horizontal bar 22e forms.Wherein, said first rear-end plate 251, second rear-end plate 252 is formed in one or separate setting.
As shown in Figure 4, in the present embodiment, be provided with two side cover plates 26, respectively lid cover be arranged between the said first main muscle 21a and the second main muscle 21b, between the 3rd main muscle 21c and the 4th main muscle 21d.Wherein, said side cover plate 26 comprises first side cover plate 261, second side cover plate 262 and the 3rd side cover plate 263.This first side cover plate 261, second side cover plate 262 and the 3rd side cover plate 263 are formed in one.Optional is, this first side cover plate 261, second side cover plate 262 are one-body molded; Perhaps, first side cover plate 261 and the 3rd side cover plate 263 are formed in one; Perhaps, second side cover plate 262 and the 3rd side cover plate 263 are formed in one.
Preferably, among above-mentioned each embodiment, an outside side that is positioned at the outermost main muscle 21 of caving shield is provided with the support horizontal bar 23 that is used for roof supporting 20.Need to prove that supporting horizontal bar 23 can be provided with on the main muscle 21 of said caving shield one or both sides, said support horizontal bar 23 is connected with said main muscle 21, top board 20.More preferably, as shown in Figure 2, said support horizontal bar 23 comprises that first supports horizontal bar 23a, the second support horizontal bar 23b, the 3rd support horizontal bar 23c, the 4th support horizontal bar 23d.Wherein, the first support horizontal bar 23a, second supports horizontal bar 23b, the 3rd and supports horizontal bar 23c, the 4th support horizontal bar 23d arranges according to the stressing conditions of top board 20.
Preferably, among above-mentioned each embodiment, above-mentioned hydraulic support caving shield also comprises: be stacked and placed on side guard board on the top board 20, this side guard board be connected to the slidably support connecting piece of said main muscle 21.Said main muscle 21 also is provided with connecting hole 31, and said slidably support connecting piece such as jack through said connecting hole 31, slidably are connected to said side guard board the main muscle 21 that is positioned at the said caving shield outside.In the present embodiment, connecting hole 31 comprises the first connecting hole 31a, the second connecting hole 31b, the 3rd connecting hole 31c.Said slidably support connecting piece is corresponding to the first connecting hole 31a, the second connecting hole 31b, the 3rd connecting hole 31c, and said side guard board slidably is connected to main muscle 21.When need of work, open said slidably support connecting piece, sliding support is opened said side guard board.
Need to prove that the said side guard board of the side guard board of present embodiment is positioned at the outside of caving shield, said side guard board can one-sidedly be provided with, but also bilateral setting, and this depends primarily on job requirement and operating environment in the reality.Wherein, said one-sided setting is meant that the side at caving shield is provided with said side guard board.Said bilateral setting is meant in the both sides of caving shield said side guard board all is set.
Among above-mentioned each embodiment, said coupling assembling comprises: ear seat 32 is covered on the top that is used for being connected with the back timber of hydraulic support, and this top is covered ear seat 32 and is positioned at the front end of said main muscle 21 and is connected with said main muscle 21.This top is covered ear seat 32 and is comprised that ear seat 321 is covered on first top and ear seat 322 is covered on second top.
First the top cover ear seat 321 by first the top cover hinged otic placode 32a, second the top cover hinged otic placode 32b, ear flap plate 323 constitutes.
Second the top cover ear seat 322 by the 3rd the top cover hinged otic placode 32c, the 4th the top cover hinged otic placode 32d, ear flap plate 323 constitutes.
Preferably, hinged otic placode 32a is covered and the first main muscle 21a is one-body molded in this first top; Hinged otic placode 32b is covered on this second top and the second main muscle 21b is one-body molded.Hinged otic placode 32c is covered on the 3rd top and the 3rd main muscle 21c is one-body molded; Hinged otic placode 32d is covered on the 4th top and the 4th main muscle 21d is one-body molded.
This first top is covered hinged otic placode 32a, second top and is covered hinged otic placode 32b, the 3rd top and cover hinged otic placode 32c, the 4th top and cover and offer the top on the hinged otic placode 32d and cover earhole 324; Cover earhole 324 through this top, said hydraulic support caving shield is connected with the back timber of hydraulic support.
Interchangeablely be, the integrated form of structure of hinged otic placode is covered on above-mentioned elongated main muscle and top, replaceablely is: the analog structure form that ear seat 32 adopts foundry goods and matches with main muscle is covered on the top.In other words, first top is covered ear seat 321 and is covered ear seat 322 with second top and be parts independently, through being connected to main muscle 21 and/or horizontal bar 22 like connected modes such as welding.
Among above-mentioned each embodiment, said coupling assembling comprises: be used for the balance ear 40 that is connected with back timber, this balance ear 40 is positioned at the caving shield middle part, and is connected with said main muscle 21 and/or horizontal bar 22.Generally speaking, the caving shield that is used for two post hydraulic supports is provided with balance ear 40.
Among above-mentioned each embodiment, said coupling assembling comprises: be opened in the connecting rod hole 30 on each main muscle 21, connecting rod hole 30 comprises: first connecting rod meets hole 30a, second connecting rod meets hole 30b.Each connecting rod of hydraulic support through first connecting rod meet hole 30a, second connecting rod meets hole 30b, said caving shield is connected on the base of hydraulic support.
This shows that the hydraulic support caving shield of the embodiment of the invention has following advantage:,
1) embodiment of the invention adopts the monolithic cover plate, and mechanical property, effective agents enhance overall torsional property more reliably can be provided.
It is emphasized that described hydraulic support caving shield has adopted whole covering plate structure form, thereby reduced original sectional type cover plate and the many places weld seam that screens beam main tendon; Not only have better intensity and safety factor; Effectively strengthen the whole torsional property of caving shield, and save the machining period of scolder and welding, and can effectively alleviate the weight of caving shield; And process simultaneously convenient, structure is simpler, and be convenient to safeguard.
2) for making design more convenient simple, the embodiment of the invention adopts limited block and cover plate to be set to the mode of one.
The embodiment of the invention cooperates hydraulic support caving shield front end with back timber limited block design makes design simplification in cover plate, easy to process, saves machining period, practices thrift cost, and makes that processing is convenient, and structure is practical more.
3) for strengthening being connected of cover plate and main muscle, match opening the fluting of offering on double wedge and the cover plate on the main muscle, adopt such connected mode not only to have better intensity and safety factor, and process convenient.
The embodiment of the invention also provides a kind of engineering machinery; Hydraulic support for example, this hydraulic support is provided with the described hydraulic support caving shield of above-mentioned arbitrary embodiment, because above-mentioned any hydraulic support caving shield has above-mentioned technique effect; Therefore; The engineering machinery such as the hydraulic support that are provided with this hydraulic support caving shield also should possess the corresponding techniques effect, and its practical implementation process is similar to the above embodiments, does not give unnecessary details now.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (12)

1. a hydraulic support caving shield is characterized in that, comprising:
The top board that is positioned at the caving shield top and plays a supporting role (20);
Constitute the main muscle (21) and the horizontal bar (22) of said caving shield agent structure; Wherein, this main muscle (21) is arranged on the said top board (20), and this horizontal bar (22) is arranged between the said main muscle (21);
Cover plate, its lid overlay on the caving shield agent structure that said main muscle (21), horizontal bar (22) form and with said caving shield agent structure and adapt, and said cover plate is connected with said main muscle (21) and/or horizontal bar (22);
Be used for the coupling assembling that is connected with said hydraulic support, this coupling assembling is arranged on the caving shield agent structure that is made up of said main muscle (21) and horizontal bar (22).
2. hydraulic support caving shield according to claim 1 is characterized in that, said cover plate also is provided with the limited block (241) of the said caving shield moving range of restriction.
3. hydraulic support caving shield according to claim 2 is characterized in that, said cover plate offers fluting (243), and said cover plate is soldered to said main muscle (21) and/or horizontal bar (22) through this fluting (243).
4. hydraulic support caving shield according to claim 2; It is characterized in that; Said cover plate offers fluting (243); Convex with double wedge (28) on said main muscle (21) and/or the horizontal bar (22), the corresponding cover of this double wedge (28) be connected to said fluting (243) and and said fluting (243) between leave the gap;
Wherein, said cover plate is connected to said main muscle (21) and/or horizontal bar (22) through said fluting (243), double wedge (28).
5. according to each described hydraulic support caving shield of claim 1 to 4; It is characterized in that said cover plate comprises that lid covers the anterior front end cover plate (24) of said caving shield, lid covers the rear-end plate (25) at said caving shield rear portion and the side cover plate (26) that lid covers two sidepieces of said caving shield;
Wherein, this front end cover plate (24) and/or rear-end plate (25) and/or side cover plate (26) are one-body molded.
6. hydraulic support caving shield according to claim 5 is characterized in that, said main muscle (21) comprises the first main muscle (21a), the second main muscle (21b), the 3rd main muscle (21c), the 4th main muscle (21d); Said horizontal bar (22) comprises first horizontal bar (22a), second horizontal bar (22b);
Wherein, said front end cover plate (24) covers on the structure that is formed by the said first main muscle (21a), the second main muscle (21b), the 3rd main muscle (21c), the 4th main muscle (21d) and first horizontal bar (22a) that is connected with each main muscle respectively, second horizontal bar (22b).
7. hydraulic support caving shield according to claim 6 is characterized in that, said rear-end plate (25) comprises first rear-end plate (251), second rear-end plate (252); Said horizontal bar (22) also comprises: the 3rd horizontal bar (22c), the 4th horizontal bar (22d), the 5th horizontal bar (22e);
Said first rear-end plate (251) covers on by on the said second main muscle (21b), the 3rd main muscle (21c) and the 3rd horizontal bar (22c) that is connected with these two main muscle, the structure that the 4th horizontal bar (22d) forms; Said second rear-end plate (252) covers on by on the said second main muscle (21b), the 3rd main muscle (21c) and the 4th horizontal bar (22d) that is connected with these two main muscle, the structure that the 5th horizontal bar (22e) forms;
Wherein, said first rear-end plate (251), second rear-end plate (252) are formed in one or separate setting.
8. hydraulic support caving shield according to claim 7 is characterized in that, said side cover plate (26) cover respectively cover be arranged between the said first main muscle (21a) and the second main muscle (21b), between the 3rd main muscle (21c) and the 4th main muscle (21d);
Wherein, said side cover plate (26) comprises first side cover plate (261), second side cover plate (262) and the 3rd side cover plate (263); This first side cover plate (261) and/or second side cover plate (262) and/or the 3rd side cover plate (263) are formed in one.
9. according to each described hydraulic support caving shield of claim 1 to 4, it is characterized in that this caving shield also comprises: be stacked and placed on side guard board on the top board (20), this side guard board be connected to the slidably support connecting piece of said main muscle (21);
Wherein, said side guard board is positioned at the outside of caving shield, and said main muscle (21) also is provided with connecting hole (31), and said slidably support connecting piece slidably is connected to said main muscle (21) through said connecting hole (31).
10. according to each described hydraulic support caving shield of claim 1 to 4, it is characterized in that said coupling assembling comprises:
Ear seat (32) is covered on the top that is used for being connected with the back timber of hydraulic support, and this top is covered ear seat (32) and is positioned at the front end of said main muscle (21) and is connected with said main muscle (21);
Be opened in the link hole (30) on the said main muscle (21), said caving shield is connected with the connecting rod that is connected to hydraulic support foundation through this link hole (30).
11. hydraulic support caving shield according to claim 10 is characterized in that, said coupling assembling comprises:
Be used for the balance ear (40) that is connected with back timber, this balance ear (40) is positioned at the caving shield middle part, and is connected with said main muscle (21) and/or horizontal bar (22).
12. a hydraulic support is characterized in that, this hydraulic support is provided with each described hydraulic support caving shield of claim 1 to 11.
CN2012102662801A 2012-07-30 2012-07-30 Hydraulic support caving shield and hydraulic support Pending CN102787857A (en)

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CN106956085A (en) * 2017-03-08 2017-07-18 郑州煤矿机械集团股份有限公司 The butt welding method of hydraulic support shield beam
CN109098745A (en) * 2018-10-10 2018-12-28 郑州煤矿机械集团股份有限公司 For recycling the anti-down mechanism of shift-forward type advance timbering
CN112780318A (en) * 2021-02-22 2021-05-11 三一重型装备有限公司 Top beam and hydraulic support

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CN109098745A (en) * 2018-10-10 2018-12-28 郑州煤矿机械集团股份有限公司 For recycling the anti-down mechanism of shift-forward type advance timbering
CN112780318A (en) * 2021-02-22 2021-05-11 三一重型装备有限公司 Top beam and hydraulic support

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Application publication date: 20121121