CN205806062U - The single-piston rod twin-tub cylinder oil cylinder of hydraulic support - Google Patents

The single-piston rod twin-tub cylinder oil cylinder of hydraulic support Download PDF

Info

Publication number
CN205806062U
CN205806062U CN201620674291.7U CN201620674291U CN205806062U CN 205806062 U CN205806062 U CN 205806062U CN 201620674291 U CN201620674291 U CN 201620674291U CN 205806062 U CN205806062 U CN 205806062U
Authority
CN
China
Prior art keywords
cylinder
piston rod
oil cylinder
hydraulic support
cylinder barrel
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 - Fee Related
Application number
CN201620674291.7U
Other languages
Chinese (zh)
Inventor
周宝生
崔志刚
余聪
孙奇志
郑立勇
汤守义
刘延东
龙波
李林
张养恒
杨静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KAILUAN (GROUP) Co Ltd TECHNOLOGY CENTER
Original Assignee
KAILUAN (GROUP) Co Ltd TECHNOLOGY CENTER
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KAILUAN (GROUP) Co Ltd TECHNOLOGY CENTER filed Critical KAILUAN (GROUP) Co Ltd TECHNOLOGY CENTER
Priority to CN201620674291.7U priority Critical patent/CN205806062U/en
Application granted granted Critical
Publication of CN205806062U publication Critical patent/CN205806062U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Actuator (AREA)

Abstract

This utility model relates to the single-piston rod twin-tub cylinder oil cylinder of a kind of hydraulic support, including cylinder barrel, piston rod and fairlead, it is characterised in that: cylinder barrel includes left side cylinder barrel and right side cylinder barrel;The left end of piston rod is provided with left hand piston head;The right-hand member of piston rod is provided with right hand piston head.The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, can individually or simultaneously control arranged on left and right sides backplate expanding-contracting action, oil cylinder two ends cylinder barrel engaging lug is connected with side guard plate pull bar connecting shaft, the fixing employing of oil cylinder will be fixed on the middle part of support integral top beam or caving shield in the middle of piston rod, change conventional stent single-piston rod, the mentality of designing of single cylinder cylinder and action form, it is highly suitable for above high-end hydraulic support using, improve hydraulic support overhaul efficiency, reduce the cost of overhaul.

Description

The single-piston rod twin-tub cylinder oil cylinder of hydraulic support
Technical field
This utility model relates to the support apparatus of coal mine fully-mechanized mining mechanical coal mining work surface--hydraulic support, specifically, Relate to the single-piston rod twin-tub cylinder oil cylinder of a kind of hydraulic support.
Background technology
Hydraulic support is the support apparatus of coal mine fully-mechanized mining mechanical coal mining work surface, is ensureing coal mining activity, construction safety Etc. aspect play Main Function.Hydraulic support is typically divided into light-duty, medium-sized by working resistance and has big setting load and senior engineer Make the high-end hydraulic support of resistance.But in real work, existing high-end hydraulic support, when left and right work surface is changed, needs First to go up well and to switch side guard plate, its reason be traditional high-side hydraulic support be all side equipped with oil cylinder, can only the side guard plate of side Can be with expanding-contracting action, it is impossible to meet the needs of the side guard plate expanding-contracting action of both sides.
Utility model content
For above-mentioned deficiency of the prior art, this utility model provides a kind of simple in construction, improves work efficiency, it is possible to Meet the single-piston rod twin-tub cylinder oil cylinder of the hydraulic support of the side guard plate expanding-contracting action needs of both sides.
Technical solution adopted in the utility model is:
The single-piston rod twin-tub cylinder oil cylinder of a kind of hydraulic support, including cylinder barrel, piston rod and fairlead, it is characterised in that: Cylinder barrel includes left side cylinder barrel and right side cylinder barrel;
The left end of piston rod is provided with left hand piston head;
The right-hand member of piston rod is provided with right hand piston head;
Left side cylinder barrel is connected with the left end of piston rod;
Right side cylinder barrel is connected with the right-hand member of piston rod;
Left hand piston head is arranged in the cylinder barrel of left side;
Right hand piston head is arranged in the cylinder barrel of right side;
In the middle part of piston rod, left side is provided with left side oil cylinder withdrawal interface and left side oil cylinder stretches out interface;
In the middle part of piston rod, right side is provided with right side oil cylinder withdrawal interface and right side oil cylinder stretches out interface;
Left side oil cylinder is regained interface and is connected with left side withdrawal oil supplying hole;
Left side oil cylinder stretches out interface and stretches out oil supplying hole with left side and be connected;
Right side oil cylinder is regained interface and is connected with right side withdrawal oil supplying hole;
Right side oil cylinder stretches out interface and stretches out oil supplying hole with right side and be connected;
Left side oil cylinder is regained interface and is connected with left side cylinder barrel epicoele by left side withdrawal oil supplying hole;
Left side oil cylinder stretches out interface and stretches out oil supplying hole by left side and be connected with left side cylinder barrel cavity of resorption;
Right side oil cylinder is regained interface and is connected with right side cylinder barrel epicoele by right side withdrawal oil supplying hole;
Right side oil cylinder stretches out interface and stretches out oil supplying hole by right side and be connected with right side cylinder barrel cavity of resorption;
Fairlead includes left side fairlead and right side fairlead;
Fairlead dust ring and fairlead black box it is provided with between fairlead and piston rod;
Piston head black box it is provided with between piston head and cylinder barrel.
Described piston head end is provided with piston head backing-up screw.
The beneficial effect of this utility model hinge structure:
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, can individually or simultaneously control left and right two Side guard plate expanding-contracting action, oil cylinder two ends cylinder barrel engaging lug is connected with side guard plate pull bar connecting shaft, and the fixing employing of oil cylinder is by piston The middle part of support integral top beam or caving shield it is fixed in the middle of bar.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, changes conventional stent single-piston rod, single cylinder cylinder Mentality of designing and action form, be highly suitable for above high-end hydraulic support use, also solve common and high-end hydraulic pressure and prop up When frame uses in different operating face, left and right, well is needed to fall the difficult problem of side guard plate.It is the high-end liquid of comprehensive mining machinery work surface from now on The preferable oil cylinder that pressure support is first-selected.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, can solve conventional hydraulic support need to be by support A difficult problem for side guard plate switched by well, not only improves hydraulic support left and right work surface conversion efficiency, but also can improve hydraulic support Overhaul efficiency, reduces the cost of overhaul.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, compact conformation, adjusting range are big, installing space Little, it is to avoid traditional oil cylinder cannot install and use a difficult problem for double oil cylinder because of insufficient space.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, easy accessibility, and solve cylinder barrel and push rod The difficult problem that weld bond is easy to crack and cost is high.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, enter, return liquid interface use the most threaded, Design medium position on single-piston rod, twin-tub cylinder be arranged above with into, return liquid interface, make this product can be diameter 105 millimeters Steel pipe in pass through, such oil cylinder is very convenient dismounting and installation in down-hole.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, uses and is fixed on hydraulic support by the middle of piston rod Fixed form in the middle part of integral top beam or caving shield one, than traditional oil cylinder install, dismantle convenient.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, uses double feed liquor, the design of double back liquid, makes Can be with single movement about twin-tub cylinder, it is also possible to action simultaneously, operate more flexible and convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support;
Fig. 2 is the partial enlargement structural representation of the A of Fig. 1;
Fig. 3 is the partial enlargement structural representation of the B of Fig. 1.
Critical piece symbol description in accompanying drawing:
In figure:
1, cylinder barrel;2, piston rod;3, fairlead;4, fairlead dust ring;5, fairlead black box;6, piston head seals Assembly;7, piston head;8, interface regained by oil cylinder;9, oil supplying hole is regained;10, backing-up screw;11, oil return fabrication hole blocks up;12, oil cylinder Stretch out interface;13, oil supplying hole is stretched out.
Detailed description of the invention
Referring to the drawings and this utility model is described in detail by embodiment:
Accompanying drawing 1-3 understands, the single-piston rod twin-tub cylinder oil cylinder of a kind of hydraulic support, including cylinder barrel 1, piston rod 2 and guiding Set 3, cylinder barrel 1 includes left side cylinder barrel and right side cylinder barrel;
The left end of piston rod is provided with left hand piston head 7;
The right-hand member of piston rod is provided with right hand piston head 7;
Left side cylinder barrel 1 is connected with the left end of piston rod 2;
Right side cylinder barrel 1 is connected with the right-hand member of piston rod 2;
Left hand piston head 7 is arranged in the cylinder barrel 1 of left side;
Right hand piston head 7 is arranged in the cylinder barrel 1 of right side;
In the middle part of piston rod 2, left side is provided with left side oil cylinder withdrawal interface 8 and left side oil cylinder stretches out interface 12;
In the middle part of piston rod, right side is provided with right side oil cylinder withdrawal interface 8 and right side oil cylinder stretches out interface 12;
Left side oil cylinder is regained interface 8 and is connected with left side withdrawal oil supplying hole 9;
Left side oil cylinder stretches out interface 12 and stretches out oil supplying hole 13 with left side and be connected;
Right side oil cylinder is regained interface and is connected with right side withdrawal oil supplying hole;
Right side oil cylinder stretches out interface and stretches out oil supplying hole with right side and be connected;
Left side oil cylinder is regained interface and is connected with left side cylinder barrel epicoele by left side withdrawal oil supplying hole;
Left side oil cylinder stretches out interface and stretches out oil supplying hole by left side and be connected with left side cylinder barrel cavity of resorption;
Right side oil cylinder is regained interface and is connected with right side cylinder barrel epicoele by right side withdrawal oil supplying hole;
Right side oil cylinder stretches out interface and stretches out oil supplying hole by right side and be connected with right side cylinder barrel cavity of resorption;
Fairlead includes left side fairlead and right side fairlead;
Fairlead dust ring 4 and fairlead black box 5 it is provided with between fairlead and piston rod;
Piston head black box 6 it is provided with between piston head and cylinder barrel.
Described piston head end is provided with piston head backing-up screw.
Twin-tub cylinder 1 is separately mounted to the outside at piston rod 2 two ends, and fairlead 3 uses threaded cylinder barrel 1, piston head 7 points It is not fixed on the two ends of piston rod 2, and with backing-up screw 10 fixed piston head, twin-tub cylinder 1 can be respectively at the two ends of piston rod 2 Realize expanding-contracting action.Fairlead dust ring 4 is arranged on the outer end of fairlead 3, and cleaning piston rod 2 surface coal dust, fairlead seals Assembly 5 is arranged on the inside of fairlead 3, prevents emulsion from spilling from piston rod 2 surface, and piston head black box 6 is arranged on work Above chock plug 7, preventing the upper and lower working chamber of cylinder barrel 1 from mutually ganging up, withdrawal fabrication hole blocks up 11 and prevents from regaining fluid and stretching out fluid Gang up.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, its structure includes piston rod, cylinder barrel and fairlead, Cylinder barrel is separately mounted to the two ends of piston rod.Its innovation is, two cylinder barrels are separately mounted to the two ends of a piston rod, cylinder Cylinder and piston rod use threaded guide sleeve to fix.
Above-mentioned high-end hydraulic support single-piston rod twin-tub cylinder oil cylinder, is arranged on the interior of high-end hydraulic support integral top beam Portion, and there is the side guard plate function stretching out and regaining both sides individually or simultaneously, after-poppet back timber width is all regained in side guard plate both sides Degree is 1.65 meters, and after high-end bracket side backplate both sides are all stretched out, set cap Breadth Maximum is than standard high-end hydraulic support 1.85 meters big 50 millimeters, make high end support adjusting range bigger.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, can individually or simultaneously control left and right two Side guard plate expanding-contracting action, oil cylinder two ends cylinder barrel engaging lug is connected with side guard plate pull bar connecting shaft, and the fixing employing of oil cylinder is by piston The middle part of support integral top beam or caving shield it is fixed in the middle of bar.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, changes conventional stent single-piston rod, single cylinder cylinder Mentality of designing and action form, be highly suitable for above high-end hydraulic support use, also solve common and high-end hydraulic pressure and prop up When frame uses in different operating face, left and right, well is needed to fall the difficult problem of side guard plate.It is the high-end liquid of comprehensive mining machinery work surface from now on The preferable oil cylinder that pressure support is first-selected.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, can solve conventional hydraulic support need to be by support A difficult problem for side guard plate switched by well, not only improves hydraulic support left and right work surface conversion efficiency, but also can improve hydraulic support Overhaul efficiency, reduces the cost of overhaul.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, compact conformation, adjusting range are big, installing space Little, it is to avoid traditional oil cylinder cannot install and use a difficult problem for double oil cylinder because of insufficient space.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, easy accessibility, and solve cylinder barrel and push rod The difficult problem that weld bond is easy to crack and cost is high.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, enter, return liquid interface use the most threaded, Design medium position on single-piston rod, twin-tub cylinder be arranged above with into, return liquid interface, make this product can be diameter 105 millimeters Steel pipe in pass through, such oil cylinder is very convenient dismounting and installation in down-hole.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, uses and is fixed on hydraulic support by the middle of piston rod Fixed form in the middle part of integral top beam or caving shield one, than traditional oil cylinder install, dismantle convenient.
The single-piston rod twin-tub cylinder oil cylinder of this utility model hydraulic support, uses double feed liquor, the design of double back liquid, makes Can be with single movement about twin-tub cylinder, it is also possible to action simultaneously, operate more flexible and convenient.

Claims (2)

1. a single-piston rod twin-tub cylinder oil cylinder for hydraulic support, including cylinder barrel, piston rod and fairlead, it is characterised in that: cylinder Cylinder includes left side cylinder barrel and right side cylinder barrel;
The left end of piston rod is provided with left hand piston head;
The right-hand member of piston rod is provided with right hand piston head;
Left side cylinder barrel is connected with the left end of piston rod;
Right side cylinder barrel is connected with the right-hand member of piston rod;
Left hand piston head is arranged in the cylinder barrel of left side;
Right hand piston head is arranged in the cylinder barrel of right side;
In the middle part of piston rod, left side is provided with left side oil cylinder withdrawal interface and left side oil cylinder stretches out interface;
In the middle part of piston rod, right side is provided with right side oil cylinder withdrawal interface and right side oil cylinder stretches out interface;
Left side oil cylinder is regained interface and is connected with left side withdrawal oil supplying hole;
Left side oil cylinder stretches out interface and stretches out oil supplying hole with left side and be connected;
Right side oil cylinder is regained interface and is connected with right side withdrawal oil supplying hole;
Right side oil cylinder stretches out interface and stretches out oil supplying hole with right side and be connected;
Left side oil cylinder is regained interface and is connected with left side cylinder barrel epicoele by left side withdrawal oil supplying hole;
Left side oil cylinder stretches out interface and stretches out oil supplying hole by left side and be connected with left side cylinder barrel cavity of resorption;
Right side oil cylinder is regained interface and is connected with right side cylinder barrel epicoele by right side withdrawal oil supplying hole;
Right side oil cylinder stretches out interface and stretches out oil supplying hole by right side and be connected with right side cylinder barrel cavity of resorption;
Fairlead includes left side fairlead and right side fairlead;
Fairlead dust ring and fairlead black box it is provided with between fairlead and piston rod;
Piston head black box it is provided with between piston head and cylinder barrel.
The single-piston rod twin-tub cylinder oil cylinder of hydraulic support the most according to claim 1, it is characterised in that: described piston head end It is provided with piston head backing-up screw.
CN201620674291.7U 2016-06-30 2016-06-30 The single-piston rod twin-tub cylinder oil cylinder of hydraulic support Expired - Fee Related CN205806062U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620674291.7U CN205806062U (en) 2016-06-30 2016-06-30 The single-piston rod twin-tub cylinder oil cylinder of hydraulic support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620674291.7U CN205806062U (en) 2016-06-30 2016-06-30 The single-piston rod twin-tub cylinder oil cylinder of hydraulic support

Publications (1)

Publication Number Publication Date
CN205806062U true CN205806062U (en) 2016-12-14

Family

ID=57512950

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620674291.7U Expired - Fee Related CN205806062U (en) 2016-06-30 2016-06-30 The single-piston rod twin-tub cylinder oil cylinder of hydraulic support

Country Status (1)

Country Link
CN (1) CN205806062U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105927610A (en) * 2016-06-30 2016-09-07 开滦(集团)有限责任公司技术中心 Single-piston-rod double-cylinder-barrel oil cylinder of hydraulic support

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105927610A (en) * 2016-06-30 2016-09-07 开滦(集团)有限责任公司技术中心 Single-piston-rod double-cylinder-barrel oil cylinder of hydraulic support

Similar Documents

Publication Publication Date Title
CN105927610A (en) Single-piston-rod double-cylinder-barrel oil cylinder of hydraulic support
CN201606344U (en) Double-acting multistage hydraulic cylinder
CN102434530A (en) Differential-type plunger composite oil cylinder
CN205806062U (en) The single-piston rod twin-tub cylinder oil cylinder of hydraulic support
CN208123162U (en) Monoblock type cylinder connecting device on hydraulic support
CN108302088A (en) Monoblock type cylinder connecting device on hydraulic support
CN203592972U (en) Novel fast self-lifting and self-locking chassis
CN104265620B (en) The oil field plunger oil-well pump Dynamic Seal combination plunger assembly with protection device
CN205968057U (en) Valve body and rubber enclose assembly devices's unit of extracting
CN201255107Y (en) Assembly type piston rod structure convenient to replacing drilling pump piston
CN104196714B (en) Oil field plunger oil-well pump Dynamic Seal combination plunger assembly
CN205047578U (en) Numerical control hydraulic pressure sheet material tubulation make -up machine and hydraulic cylinder thereof
CN208473918U (en) Hydraulic support lateral thruster
CN106089157A (en) Accumulation of energy balance type hydraulic pumping unit
CN202047840U (en) Plug-in type hard seal manual reversing valve
CN102588241B (en) Concrete pump and pumping mechanism thereof
CN204041434U (en) The Dynamic Seal combination plunger assembly of oil field plunger oil-well pump with protective gear
CN202007674U (en) Integral sealing column
CN204041435U (en) Oil field plunger oil-well pump Dynamic Seal combination plunger assembly
CN103437793A (en) Integral spring return plug-in type hand-operated reversing valve
CN2864087Y (en) Underwell anti-injection oil discharger
CN220101697U (en) Novel buffer structure
CN201546740U (en) Lifting prop for tunnel drilling rig
CN203239363U (en) Balance jack used for hydraulic support
CN221256720U (en) Sealing device for rod and pipe annulus of hydraulic pumping unit

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: 20161214

Termination date: 20210630

CF01 Termination of patent right due to non-payment of annual fee