CN201486576U - Connecting device - Google Patents
Connecting device Download PDFInfo
- Publication number
- CN201486576U CN201486576U CN2009201458755U CN200920145875U CN201486576U CN 201486576 U CN201486576 U CN 201486576U CN 2009201458755 U CN2009201458755 U CN 2009201458755U CN 200920145875 U CN200920145875 U CN 200920145875U CN 201486576 U CN201486576 U CN 201486576U
- Authority
- CN
- China
- Prior art keywords
- back timber
- height
- regulating mechanism
- linkage
- top beam
- 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 - Lifetime
Links
Images
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a connecting device of a top beam and a height adjusting mechanism on a fully-mechanized mining hydraulic supporting frame of a mine underground coal mining working surface. The connecting device comprises a top beam whose rear end is connected with an upper end of a height adjusting mechanism, a chassis which is connected with the lower end of the height adjusting mechanism, a supporting post supporting between the top beam and the chassis, wherein the height adjusting mechanism can be a four-rod mechanism, a single swinging rod mechanism or a vertical guiding rail mechanism connected between the top beam and the chassis, and a supporting protective type supporting frame and the height adjusting mechanism in the protective type supporting frame comprise protective beams. The connecting device is characterized in that the top beam and the height adjusting mechanism are connected through a hinge which not only can swing upwards and downwards, but also can rotate around an axial cord which is in parallel with a central line of the top beam. A left to right limiting device and a top to bottom limiting device are installed between the top beam and the height adjusting mechanism. After the structure is adopted, the top beam and the height adjusting mechanism can swing on each direction, thereby decomposing huge torque among all parts of the supporting frame and alleviating the weight of the supporting frame.
Description
Technical field
The utility model relates to a kind of back timber of the comprehensive mining hydraulic bracket of coal-face supporting roof under the coal mine and linkage between the height-regulating mechanism of being used for, and the height-regulating mechanism here comprises four-bar mechanism, single wobbling pole mechanism and perpendicular guide rail mechanism commonly used in the comprehensive mining hydraulic bracket.
Background technology
Comprehensive mining hydraulic bracket comprises parts such as height-regulating mechanism between back timber, chassis, back timber and the chassis and pillar.Height-regulating mechanism also comprises caving shield in protected type and support shield type comprehensive mining hydraulic bracket.Comprehensive mining hydraulic bracket adopts box rigid unitary back timber or hinged integral top beam, adopts rigid chassis.In protected type and support shield type comprehensive mining hydraulic bracket back timber rear portion and rigidity, the equal caving shield in the left and right sides is hinged during lifting, in standing support back timber and rigidity, equal four-bar mechanism or the perpendicular guide rail mechanism in the left and right sides is hinged during lifting.For enough rigidity and intensity are arranged, top beam rear end all adopts two place's hinges of apart from each other to connect in comprehensive mining hydraulic bracket.This connected mode, make back timber when supporting not ceiling, can only swing at above-below direction around hinge axis, though can not remedy by the gap that increases relevant pan at ordinary times in other direction when running into top board, will bear huge moment of torsion as long as transfinite.In order to bear such moment of torsion, during the design comprehensive mining hydraulic bracket all is to make these parts have very high strength and stiffness could resist huge moment of flexure and moment of torsion, so comprehensive mining hydraulic bracket is all very heavy, for example weighing 8 tons still belongs to light hydraulic support, and heavy reaches tens tons even tens tons.For example the Coal Industry Press mentions in " top coal caving technology and caving roof coal hydraulic support " book of nineteen ninety-five publication, the support model of being produced by the design of Zhengzhou coal machine factory is: " caving roof coal hydraulic support " of ZFSB3200/16/28, weigh 13.9 tons, support model are: " the lapping caving roof coal hydraulic support " of ZFP5200/17/32 weighs 18.15 tons; The support model of being produced by Beijing coal machine factory design is: the caving roof coal hydraulic support of BC600-14.2/26 weighs 16.5 tons or the like.Since too heavy, so difficult makes to apply to be subjected to influence.
In addition, the equipment that is used for supporting roof also has a class support, for example: slippage bracket, cantilever support, integral top beam cantilever support etc. is applicable to the support of " hydraulic prop for sliding mine caps general technical specifications ", the common feature of this class support is the walking of can not standing voluntarily, does not belong to comprehensive mining hydraulic bracket.
The utility model content
The technical problems to be solved in the utility model provides a kind of linkage, makes between back timber and the height-regulating mechanism to swing on all directions, thereby dissolves huge moment of torsion between the support each several part, alleviates weight support frame.In order to address the above problem, this a kind of linkage of utility model, comprise the back timber that the rear end is connected with the height-regulating mechanism upper end, the chassis that is connected with the height-regulating mechanism lower end, prop up the pillar between back timber and chassis, height-regulating mechanism wherein can be four-bar mechanism, single wobbling pole mechanism or the perpendicular guide rail mechanism that is connected between back timber and the chassis, and height-regulating mechanism comprises caving shield in chock shield and shield.It is characterized in that between back timber and height-regulating mechanism with swinging up and down, can connect around the hinge of the rotational parallel again with the center line of back timber.Left and right sides stopping means is housed, the back timber stopping means up and down of amplitude of rolling to each side when the restriction back timber can be housed around the rotational parallel with the center line of back timber between back timber and height-regulating mechanism between back timber and height-regulating mechanism.
Described a kind of linkage is characterized in that the hinge between described back timber and height-regulating mechanism can be a spherical linkage, or the pin formula hinge in big gap is arranged.
Described spherical linkage comprises the outside that wraps in bulb for the ball-and-socket of the Internal Spherical Surface band gland, inner.One of them is linked to be integral body described ball-and-socket and back timber and height-regulating mechanism, and bulb is linked to be integral body with wherein another.
Described spherical linkage also has another kind of structure, comprise the inner cylindrical drum of cylinder that is, be contained in the cylindrical drum and external surface some be the bulb of sphere, bulb is limited in the locating part of cylindrical drum inside, back timber and height-regulating mechanism one of them and cylindrical drum are linked to be integral body, and another and bulb are linked to be integral body.
The described pin formula hinge that big gap is arranged is a pin-and-hole with pin between the gap and the size in the gap between articulated slab and the articulated slab can satisfy the pin formula hinge of back timber around an angle of the rotational parallel with the back timber center line.
Described a kind of linkage is characterized in that between back timber and the height-regulating mechanism it being that the cross hinge connects.
Described a kind of linkage is characterized in that described left and right sides stopping means is the plane of making in the left and right sides of top beam rear end perpendicular to back timber, and the two ends, the left and right sides of height-regulating mechanism upper end are made and can be withstood the arcwall face that this plane prevents that back timber from swinging.
Described a kind of linkage is characterized in that described stopping means up and down is that the check chain that the restriction back timber swings up and down amplitude can be housed between back timber and the height-regulating mechanism.
Described a kind of linkage is characterized in that described stopping means up and down is that the positive stop that the restriction back timber swings up and down amplitude can be housed between back timber and the height-regulating mechanism.
After adopting such structure, back timber can swing up and down, and can center on the rotational parallel with the back timber center line again, when running into top board not at ordinary times, can paste and obey, avoid original consequent huge bending moment and moment of torsion, thereby reach the purpose that reduces back timber and weight support frame in top board.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is that a kind of linkage of the utility model is applied to the front view on the hydraulic shield support.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the sectional view of first kind of embodiment of a kind of linkage of the utility model in the B-B position of Fig. 2.
Fig. 4 is that first kind of embodiment of a kind of linkage of the utility model is at the locational sectional drawing of the C-C of Fig. 2.
Fig. 5 is that second kind of embodiment of a kind of linkage of the utility model is at the locational sectional view of the B-B of Fig. 2.
Fig. 6 is the sectional view of the third embodiment of a kind of linkage of the utility model on the B-B of Fig. 2.
Fig. 7 is that the 4th kind of embodiment of a kind of linkage of the utility model is at the locational sectional view of the B-B of Fig. 2.
Fig. 8 is the D-D sectional view of Fig. 7.
The specific embodiment
Be applied to front view on the hydraulic shield support in conjunction with a kind of linkage of Fig. 1, comprise: the preceding beam 1 that is connected with preceding beam oil cylinder 3 by pin 2, by pin 4 be connected with preceding beam oil cylinder 3 and the following back timber 5 that is connected with pillar 19, chassis 18, tail boom oil cylinder 12 and height-regulating mechanism in caving shield 6.In the height-regulating mechanism of forming by front rod 15, back link 14, caving shield 6, one end of front rod 15 and back link 14 is connected with caving shield 6 by pin 7,8, the other end is connected with chassis 18 by pin 16,17, one end of tail boom is connected the other end by pin 10 and is connected with tail boom oil cylinder 12 by pin 13 with caving shield 6, the other end of tail boom oil cylinder 12 is connected with caving shield 6 by pin 9.
In conjunction with Fig. 2, Fig. 2 gets the bid and understands that described a kind of linkage and stopping means are applied to the position in the hydraulic shield support.The back timber 5 that is connected with pillar 19 below comprising, the preceding beam oil cylinder 3 that is connected with preceding beam 1 is connected with back timber 5 by pin 4.The left and right sides of back timber 5 rear ends is passed through pin 25,23, stopping means 24 respectively and is connected with caving shield 6 by pin 20,22, stopping means 21, and stopping means 24,21 usefulness is chain among this embodiment, and the rear end of caving shield 6 is connected with tail boom 11.The two ends of tail boom oil cylinder 12 are connected with tail boom 11 with caving shield 6 by pin 9, pin 13 respectively.
In conjunction with Fig. 3, Fig. 3 discloses a kind of first kind of embodiment of linkage, and promptly spherical linkage connects.Wherein said spherical linkage comprises: with back timber 5 fuse the inside of band gland 30 be Internal Spherical Surface ball-and-socket 29, with height-regulating mechanism in the bulb 31 that fuses of caving shield 6.
Fig. 5 discloses second kind of embodiment of described a kind of linkage: the bulb 27 that fuses with caving shield 6 in the height-regulating mechanism, be contained in the cylindrical drum 42 that fuses with back timber 5, bulb 27 is connected by an end of pin 28 and locating part 26, the other end of locating part 26 is connected with back timber 5 by pin 41, and locating part 26 usefulness chains are made in second kind of embodiment.
In conjunction with Fig. 6, the third embodiment of a kind of linkage is disclosed, pin formula hinge connects.Comprise: be welded on articulated slab 38 on the back timber 5, be welded on articulated slab 39, pin 32 on the caving shield 6 in the height-regulating device.The size that it is characterized in that the gap between gap between pin-and-hole 40 and the pin 32 and articulated slab 38 and the articulated slab 39 can satisfy back timber 5 around the rotational parallel with the center line of back timber 5.
Disclose a kind of the 4th kind of embodiment of linkage in conjunction with Fig. 7 and Fig. 8, the cross hinge connects.The axle 33 of the inside that comprise the axle sleeve 34 that welds together with back timber 5, is enclosed in axle sleeve 34 is connected with 37 by the flap 36 of the caving shield 6 in pin 35 and the height-regulating device.
Disclose a kind of left and right sides stopping means of linkage and stopping means up and down in conjunction with Fig. 4, may be used in above any embodiment.Left and right sides stopping means comprises: the two ends, the left and right sides of caving shield 6 upper ends in the height-regulating mechanism are provided with arcwall face 43, back timber 5 rear end faces 44 that prevent back timber 5 and swing.Stopping means comprises that pin 20, pin 22, restriction back timber 5 swing up and down the stopping means 21 of amplitude up and down, stopping means 21 usefulness chains are made in this embodiment, one end of stopping means 21 is connected with back timber 5 by pin 20, and the other end passes through pin 22 and is connected with caving shield 6 in the height-regulating mechanism.
In first kind of embodiment, by spherical linkage back timber and caving shield are linked together, utilize bulb characteristics free to rotate in ball-and-socket, back timber not only can be swung up and down, can also center on the rotational parallel with the back timber center line.When top board not at ordinary times, back timber can be docile and obedient freely on top board, avoided original consequent huge bending moment and moment of torsion, thereby reach the purpose that reduces back timber and weight support frame.
In second kind of embodiment, basic principle is identical with first kind of embodiment, and advantage is more easy for installation than first kind of embodiment.
In the third embodiment, adopted the bigger pin formula hinge in gap, can satisfy the purpose that back timber freely rotates equally.
In the 4th kind of embodiment, by the cross hinge caving shield in back timber and the height-regulating mechanism is linked together, back timber not only can be swung up and down, can also center on the rotational parallel with the back timber center line.
Certainly flap 36 and 37 spacing can be increased to the width near back timber, back timber 5 is not only limited to caving shield 6 yet and is connected, but also can directly be connected with the height-regulating mechanism of the standing support that does not have caving shield 6, also can add spring reverse motion between back timber and height-regulating mechanism or the caving shield, this moment, back timber equally can be freely docile and obedient on top board, avoids original consequent huge bending moment and moment of torsion.So simple conversion still drops in the novel protected scope of this use.
Claims (9)
1. be used for back timber on the comprehensive mining hydraulic bracket of coal-face under the coal mine and the linkage between the height-regulating mechanism, comprise: the back timber (5) that the rear end is connected with the height-regulating mechanism upper end, the chassis (18) that is connected with the height-regulating mechanism lower end, prop up the pillar (19) between back timber (5) and chassis (18), height-regulating mechanism wherein can be the four-bar mechanism that is connected between back timber (5) and chassis (18), single wobbling pole mechanism or perpendicular guide rail mechanism, height-regulating mechanism comprises caving shield (6) in chock shield and shield, it is characterized in that between back timber (5) and height-regulating mechanism with swinging up and down, can connect around the hinge of the rotational parallel again with the center line of back timber (5), between back timber (5) and height-regulating mechanism left and right sides stopping means is housed, back timber (5) both sides swung up and down the stopping means up and down of amplitude when restriction back timber (5) can be housed between back timber (5) and height-regulating mechanism around the rotational parallel with the center line of back timber (5).
2. linkage as claimed in claim 1 is characterized in that the hinge that is positioned between described back timber (5) and the height-regulating mechanism can be a spherical linkage, or the pin formula hinge in big gap is arranged.
3. linkage as claimed in claim 1 or 2 is characterized in that described spherical linkage comprises the outside that wraps in bulb (31) for the ball-and-socket of Internal Spherical Surface (29) band gland (30), inner.One of them is linked to be integral body described ball-and-socket (29) and back timber (5) and height-regulating mechanism, and bulb (31) and wherein another are linked to be integral body.
4. linkage as claimed in claim 1 or 2, it is characterized in that described spherical linkage comprises the inner cylindrical drum of cylinder (42) that is, be contained in the cylindrical drum (42) and external surface some be the bulb of sphere (27), bulb (27) is limited in the inner locating part (26) of cylindrical drum (42), back timber (5) and height-regulating mechanism one of them and cylindrical drum (42) are linked to be integral body, and another and bulb (27) are linked to be integral body.
5. linkage as claimed in claim 1 or 2, it is characterized in that the bigger pin formula hinge in described gap be pin-and-hole (40) with pin (32) between the gap and the size in the gap between articulated slab (38) and the articulated slab (39) can satisfy the pin formula hinge of back timber (5) around an angle of the rotational parallel with the back timber center line.
6. linkage according to claim 1 is characterized in that between back timber (5) and the height-regulating mechanism it being that the cross hinge connects.
7. linkage as claimed in claim 1, it is characterized in that described left and right sides stopping means is the plane (44) of making in the left and right sides of top beam rear end perpendicular to back timber, the two ends, the left and right sides of height-regulating mechanism upper end are made and can be withstood the arcwall face (43) that plane (44) prevents that back timber (5) from swinging.
8. linkage as claimed in claim 1 is characterized in that stopping means up and down is back timber both sides check chain (21) and/or (24) of amplitude of oscillation degree up and down when restriction back timber (5) can be housed between back timber (5) and the height-regulating mechanism around the rotational parallel with the center line of back timber (5).
9. linkage as claimed in claim 1 is characterized in that stopping means up and down is the positive stop of the amplitude that swings up and down of back timber both sides when restriction back timber (5) can be housed between back timber (5) and the height-regulating mechanism around the rotational parallel with the center line of back timber (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201458755U CN201486576U (en) | 2009-03-13 | 2009-03-13 | Connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201458755U CN201486576U (en) | 2009-03-13 | 2009-03-13 | Connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201486576U true CN201486576U (en) | 2010-05-26 |
Family
ID=42425458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201458755U Expired - Lifetime CN201486576U (en) | 2009-03-13 | 2009-03-13 | Connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201486576U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104274A (en) * | 2012-11-29 | 2013-05-15 | 郑州四维机电设备制造有限公司 | Front top beam multi-step-pitch filling hydraulic support |
| CN101832145B (en) * | 2009-03-13 | 2015-07-22 | 李泽宇 | Connecting device |
-
2009
- 2009-03-13 CN CN2009201458755U patent/CN201486576U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832145B (en) * | 2009-03-13 | 2015-07-22 | 李泽宇 | Connecting device |
| CN103104274A (en) * | 2012-11-29 | 2013-05-15 | 郑州四维机电设备制造有限公司 | Front top beam multi-step-pitch filling hydraulic support |
| CN103104274B (en) * | 2012-11-29 | 2016-03-23 | 卡特彼勒（郑州）有限公司 | Before a kind of, back timber multi-pace fills hydraulic support |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105092222B (en) | A kind of loading device of girder steel monolithic stability bearingtest | |
| CA1238880A (en) | Articulation for tower crane boom that has a parking position | |
| CN102002936B (en) | Dynamic compactor capable of realizing amplitude-variable followup of A-bracket with arm support | |
| CN101723260B (en) | Superlift device for telescopic boom and telescopic boom type crane | |
| CN201486576U (en) | Connecting device | |
| CN102303821B (en) | Luffing tower crane with balanced type suspension arm based on traction luffing of steel rope | |
| CN201087088Y (en) | Counterbalance weight self-adaptive control device of luffing jib type tower crane | |
| CN101832145B (en) | Connecting device | |
| CN202766117U (en) | Universal detector for diagonal pulling of lifting hook steel wire rope | |
| CN103145054A (en) | Jib tail bracket as well as jib and hoisting equipment comprising same | |
| CN2863755Y (en) | Levelling device for overhead working truck platform draw-in rod | |
| CN202731612U (en) | Safety door and engineering machine | |
| CN201396070Y (en) | Adjustment mechanism and drilling rig with same | |
| CN102071669B (en) | Hydraulic cylinder for driving diagonal-drawing gantry crane or diagonal-drawing trolley type hoist trolley | |
| CN201071068Y (en) | Retral swing pitch mechanism for controlling control cabin direction | |
| CN209724388U (en) | A kind of postposition guide rod hydraulic support | |
| CN201826867U (en) | Socket | |
| CN102807157A (en) | Universal cable-stayed detection device of lifting hook wire rope | |
| CN208791059U (en) | Tower crane main rope rope supporting device | |
| CN206553112U (en) | A kind of general's pillar ocean platform crane anti-squat system | |
| CN207903777U (en) | A kind of balancing device of crane | |
| CN202829505U (en) | Adjustment device for hydraulic aerial engineering cage and thereof platform | |
| CN110182498B (en) | Frame for vertical box body and transport vehicle | |
| CN202707105U (en) | Top beam structure and hydraulic support | |
| CN220013806U (en) | Light excavator structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100526 Effective date of abandoning: 20090313 |
|
| RGAV | Abandon patent right to avoid regrant |