CN202483601U - Large clearance floating whole top beam combination suspended hydraulic support - Google Patents
Large clearance floating whole top beam combination suspended hydraulic support Download PDFInfo
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- CN202483601U CN202483601U CN2012201139268U CN201220113926U CN202483601U CN 202483601 U CN202483601 U CN 202483601U CN 2012201139268 U CN2012201139268 U CN 2012201139268U CN 201220113926 U CN201220113926 U CN 201220113926U CN 202483601 U CN202483601 U CN 202483601U
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- spring
- guide
- back timber
- top beam
- carriage
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Abstract
The utility model discloses a large clearance floating whole top beam combination suspended hydraulic support and belongs to the technical field of mining equipment. The large clearance floating whole top beam combination suspended hydraulic support comprises a top beam, hydraulic columns and a bracket. A movable cylinder is arranged between the bracket and the top beam, a guide groove is fixed below the top beam, and a height-difference-adjusting mechanism is arranged on the bracket. The height-difference-adjusting mechanism comprises a spring sleeve and a guide shaft, wherein a spring I is arranged in the spring sleeve, and a guide seat and a spring pressing piece are respectively arranged on the guide shaft in a sleeved mode. The guide seat is fixed on a top plate of the bracket and extends into the guide groove, and the size of the guide seat is matched with the size of the groove. Both sides of the spring pressing piece are in overlap joint with base plates on both sides of the groove. A spring II is arranged on the guide shaft in a sleeved mode and located between a roof plate and the spring pressing piece. The large clearance floating whole top beam combination suspended hydraulic support has the advantages that by arranging the upper spring and the lower spring on the guide shaft, lifting amplitude is enlarged and guide clearance is variable, so the guide shaft can be protected from being damaged; and by adding an inclined hydraulic column, safety property is improved.
Description
Technical field
The utility model relates to a kind of suspension moving hydraulic support, belongs to the mining equiment technical field.
Background technology
When existing integral top beam combined suspension moving hydraulic support uses under coal mine, though have simple in structure, reduce labor strength, advantage such as raise labour efficiency.But in coal-face supporting process, there is following problem:
1, owing to the coal seam fluctuations, the top board out-of-flatness of formation, and joist and adjacent joists connect into an integral body; Limited the heave amplitude of adjacent stent, perhaps caused the damage of connector, the disclosed technical scheme of Chinese patent ZL200820029910.2 has solved this problem to a certain extent; But its single spring travel is little; Adjust highly limitedly, and the structure of its slide block makes that the gap of gathering sill and bearing pin of back timber is very little, and the guiding clearance is changeless; Bearing pin and slide block are easy to receive the horizontal shear force of back timber and cause and damage distortion, the down-hole maintenance difficult, influence ordinary production.
2, support opposing top board is pressed first and is not enough along the ability of the thrust of the horizontal direction of advance of the face direction, and safety is not enough.
Summary of the invention
In order to overcome the weak point of above-mentioned prior art, the utility model provides a kind of big play integral top beam combined suspension moving hydraulic support that floats, and two groups of springs up and down are set, and increased heave amplitude, and the guiding clearance is variable, and the protection axis of guide is not damaged.
The utility model is realized through following technical scheme: a kind of big play integral top beam combined suspension moving hydraulic support that floats, and it comprises back timber, the front and back end of back timber all is hinged with vertical hydraulic vertical prop; The slip underneath of described back timber is connected with carriage, between carriage and the described back timber mobile oil cylinder is housed, and described back timber below is fixed with gathering sill; The line of rabbet joint is arranged below the gathering sill, the difference in height guiding mechanism is arranged on the described carriage, described difference in height guiding mechanism comprises the spring spool that is fixed on the carriage; Having the axis of guide vertically to pass carriage in the spring spool upwards is inserted in the described gathering sill; There is back-up ring the lower end of the described axis of guide, and there is top board the upper end of the axis of guide, and the spring I is arranged in the described spring spool; Press on the top board of described carriage the upper end of spring I; Press on described back-up ring the lower end of spring I, it is characterized in that: be set with guide holder and spring lock block on the described axis of guide, described guide holder is fixed on the top board of described carriage; It is interior and suitable with the size of the line of rabbet joint that guide holder stretches into the described line of rabbet joint; Described spring lock block is positioned at described gathering sill, and the both sides overlap joint of spring lock block is set with the spring II on the described axis of guide on the base plate on described line of rabbet joint both sides; Press below described top board the upper end of spring II, and press on described spring lock block the lower end of spring II.
The front end of described back timber has preceding guard beam, and preceding guard beam oil cylinder is arranged between preceding guard beam and the back timber, and there is spillplate the rear end of described back timber.
The rear end of described back timber increases has an inclination hydraulic vertical prop.
The lower periphery of described guide holder is fixed with the liner plate that is slidingly connected with described gathering sill.
The beneficial effect of the utility model is:
1, made full use of the height space of back timber; Two groups of springs up and down are set on the axis of guide; The stroke that the difference in height guiding mechanism fluctuates increases about one times, and the difference in height guiding mechanism an ancient egg-shaped, holed wind instrument of having avoided causing inadequately because of stroke is bad, and the durability of equipment obviously improves; Make suspension moving hydraulic support better adapt to the fluctuations of roof, avoid empty top phenomenon.
2, the line of rabbet joint of back timber gathering sill and the guiding clearance between the axis of guide change, can be along with the support work of back timber and carriage and the demands of different that moves forward and change.Back timber rises during supporting, and guide holder withdraws from outside the line of rabbet joint, and it is big that the guiding clearance becomes; The probability that the axis of guide receives the back timber horizontal shear force significantly reduces; The protection axis of guide is not damaged, and the angle that back timber allows to swing increases, and can better adapt to the fluctuations of roof; After back timber fell, guide holder got into the line of rabbet joint, and it is very little that the guiding clearance becomes, and guaranteed the guiding accuracy when the occurred level direction relatively moves between back timber and carriage, stable.
3, the rear end of back timber increases has an inclination hydraulic vertical prop, and the drag of opposing horizontal force direction significantly improves, and has obviously improved the anti-horizontal lateral force of support and the top power of cutting of roof weighting power, has improved security performance.
Description of drawings
According to accompanying drawing and embodiment the utility model is further specified below.
Fig. 1 is the utility model front view;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is an axis of guide mechanism partial enlarged drawing.
Among the figure, 1, spillplate, 2, the inclination hydraulic vertical prop, 3, back timber, 3-1, gathering sill, 3-2, the line of rabbet joint,
4, carriage, 5, move oil cylinder, 6, preceding guard beam, 7, preceding guard beam oil cylinder, 8, hydraulic vertical prop, 9, the axis of guide, 10, the spring II, 11, spring lock block, 12, the spring I, 13, spring spool, 14, top board, 15, guide holder, 16, back-up ring.
The specific embodiment
Like Fig. 1, Fig. 2, a kind of big play shown in Figure 3 integral top beam combined suspension moving hydraulic support that floats; It comprises back timber 3; The front and back end of back timber 3 respectively is hinged with two vertical hydraulic vertical props 8, and the slip underneath of back timber 3 is connected with carriage 4, is equipped with between carriage 4 and the back timber 3 to move oil cylinder 5; It is hinged to move oil cylinder 5 one ends and carriage 4, and the other end and back timber 3 front ends are hinged.Described back timber 3 belows are welded with gathering sill 3-1, line of rabbet joint 3-2 are arranged below the gathering sill 3-1, on the described carriage 4 the difference in height guiding mechanism are arranged; Described difference in height guiding mechanism comprises the spring spool 13 that is fixed on the carriage 4, has the axis of guide 9 vertically to pass carriage 4 in the spring spool 13 and upwards is inserted in the described gathering sill 3-1, and there is back-up ring 16 lower end of the described axis of guide 9; There is top board 14 upper end of the axis of guide 9; In the described spring spool 13 spring I 12 is arranged, press on the top board of described carriage 4 upper end of spring I 12, and press on described back-up ring 16 lower end of spring I 12; Be set with guide holder 15 and spring lock block 11 on the described axis of guide 9; Described guide holder 15 is fixed on the top board of described carriage 4, and it is interior and suitable with the size of line of rabbet joint 3-2 that guide holder 15 stretches into described line of rabbet joint 3-2, and described spring lock block 11 is positioned at described gathering sill 3-1; The both sides overlap joint of spring lock block 11 is on the base plate on described line of rabbet joint 3-2 both sides; Be set with spring II 10 on the described axis of guide 9, press below described top board 14 upper end of spring II 10, and press on described spring lock block 11 lower end of spring II 10.
The front end of described back timber 3 has preceding guard beam 6, and preceding guard beam oil cylinder 7 is arranged between preceding guard beam 6 and the back timber 3, and there is spillplate 1 rear end of described back timber 3.
Increasing between two hydraulic vertical props 8 of the rear end of described back timber 3 has an inclination hydraulic vertical prop 2, and the drag of opposing horizontal force direction significantly improves, and has obviously improved the anti-horizontal lateral force of support and the top power of cutting of roof weighting power, has improved security performance.
The lower periphery of described guide holder 15 is fixed with the liner plate that is slidingly connected with described gathering sill 3-1.
Under nature, the height of described spring II 10 is not less than the height of spring I 12, can guarantee that the stroke that the difference in height guiding mechanism fluctuates doubles above.
The utility model has made full use of the height space of back timber, and two groups of springs up and down are set on the axis of guide, and hydraulic vertical prop 8 rises back timber during supporting; When there was difference in height in adjacent two back timbers, back timber rose to drive on the spring lock block 11 and moves, and spring II 10 is compressed; And then drive the axis of guide 9 risings, and spring I 12 is compressed, and the stroke that the difference in height guiding mechanism fluctuates increases about one times; The difference in height guiding mechanism an ancient egg-shaped, holed wind instrument of having avoided causing inadequately because of stroke is bad; The durability of equipment obviously improves, and makes suspension moving hydraulic support better adapt to the fluctuations of roof, avoids empty top phenomenon.
The line of rabbet joint of the gathering sill 3-1 of back timber and the guiding clearance between the axis of guide 9 change, can be along with the support work of back timber and carriage and the demands of different that moves forward and change.Back timber rises during supporting, and guide holder withdraws from outside the line of rabbet joint, and it is big that the guiding clearance becomes; The probability that the axis of guide receives the back timber horizontal shear force significantly reduces; The protection axis of guide is not damaged, and the angle that back timber allows to swing increases, and can better adapt to the fluctuations of roof; After back timber fell, guide holder got into the line of rabbet joint, it is very little that the guiding clearance becomes, when the occurred level direction relatively moves between back timber and carriage, and the guiding accuracy that has guaranteed, stable.
Claims (4)
1. the big play integral top beam combined suspension moving hydraulic support that floats; It comprises back timber (3); The front and back end of back timber (3) all is hinged with vertical hydraulic vertical prop (8), and the slip underneath of described back timber (3) is connected with carriage (4), between carriage (4) and the described back timber (3) mobile oil cylinder (5) is housed; Described back timber (3) below is fixed with gathering sill (3-1); The line of rabbet joint (3-2) is arranged below the gathering sill (3-1), and described carriage has the difference in height guiding mechanism on (4), and described difference in height guiding mechanism comprises the spring spool (13) that is fixed on the carriage (4); Having the axis of guide (9) vertically to pass carriage (4) in the spring spool (13) upwards is inserted in the described gathering sill (3-1); There is back-up ring (16) lower end of the described axis of guide (9), and there is top board (14) upper end of the axis of guide (9), and spring I (12) is arranged in the described spring spool (13); Press on the top board of described carriage (4) upper end of spring I (12); Press on described back-up ring (16) lower end of spring I (12), it is characterized in that: be set with guide holder (15) and spring lock block (11) on the described axis of guide (9), described guide holder (15) is fixed on the top board of described carriage (4); It is interior and suitable with the size of the line of rabbet joint (3-2) that guide holder (15) stretches into the described line of rabbet joint (3-2); Described spring lock block (11) is positioned at described gathering sill (3-1), and the both sides overlap joint of spring lock block (11) is set with spring II (10) on the described axis of guide (9) on the base plate on the described line of rabbet joint (3-2) both sides; Press below described top board (14) upper end of spring II (10), and press on described spring lock block (11) lower end of spring II (10).
2. the big play according to claim 1 integral top beam combined suspension moving hydraulic support that floats; It is characterized in that: the front end of described back timber (3) has preceding guard beam (6); Between preceding guard beam (6) and the back timber (3) preceding guard beam oil cylinder (7) is arranged, there is spillplate (1) rear end of described back timber (3).
3. the big play according to claim 1 and 2 integral top beam combined suspension moving hydraulic support that floats is characterized in that: the rear end of described back timber (3) increases has an inclination hydraulic vertical prop (2).
4. the big play according to claim 1 and 2 integral top beam combined suspension moving hydraulic support that floats, it is characterized in that: the lower periphery of described guide holder (15) is fixed with the liner plate that is slidingly connected with described gathering sill (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201139268U CN202483601U (en) | 2012-03-23 | 2012-03-23 | Large clearance floating whole top beam combination suspended hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201139268U CN202483601U (en) | 2012-03-23 | 2012-03-23 | Large clearance floating whole top beam combination suspended hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202483601U true CN202483601U (en) | 2012-10-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201139268U Expired - Fee Related CN202483601U (en) | 2012-03-23 | 2012-03-23 | Large clearance floating whole top beam combination suspended hydraulic support |
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| Country | Link |
|---|---|
| CN (1) | CN202483601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195458A (en) * | 2013-03-20 | 2013-07-10 | 徐州天能矿山机械有限责任公司 | Underground coal mine large channel end socket suspension hydraulic support |
-
2012
- 2012-03-23 CN CN2012201139268U patent/CN202483601U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195458A (en) * | 2013-03-20 | 2013-07-10 | 徐州天能矿山机械有限责任公司 | Underground coal mine large channel end socket suspension hydraulic support |
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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: 20121010 Termination date: 20150323 |
|
| EXPY | Termination of patent right or utility model |