CN202001034U - Hydraulic clamping device and prop dismounting machine - Google Patents
Hydraulic clamping device and prop dismounting machine Download PDFInfo
- Publication number
- CN202001034U CN202001034U CN2011200541220U CN201120054122U CN202001034U CN 202001034 U CN202001034 U CN 202001034U CN 2011200541220 U CN2011200541220 U CN 2011200541220U CN 201120054122 U CN201120054122 U CN 201120054122U CN 202001034 U CN202001034 U CN 202001034U
- Authority
- CN
- China
- Prior art keywords
- clamp
- hydraulic
- prop
- push rod
- clamping
- 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
Links
Images
Abstract
The utility model discloses a hydraulic clamping device, which is arranged on a spindle of a prop dismounting machine and used for clamping a single hydraulic prop. The hydraulic clamping device comprises a shaft sleeve (20), a clamping mechanism, a thrust bearing (13) and a compaction mechanism, wherein the shaft sleeve (20) is fixed on the spindle, and the clamping mechanism is arranged at the end part of the shaft sleeve (20) and rotates along with the spindle with the shaft sleeve (20); the compaction mechanism is sleeved on the shaft sleeve (20) in an idle state, and is stationary and does not rotate along the spindle, and the compaction mechanism transfers clamping force by the thrust bearing (13) to the clamping mechanism to clamp the single hydraulic prop; and the compaction mechanism comprises a Z-type oil cylinder and a control device thereof, and the control device controls the Z-type oil cylinder and further controls the clamping mechanism to clamp or release the single hydraulic prop. The hydraulic clamping device is applied to the prop dismounting machine, has high use efficiency, and is convenient to operate, the clamping position bears force evenly, the oil cylinder has little deformation, the auxiliary time is saved, the impact on equipment is reduced, and the service life is prolonged.
Description
Technical field
The utility model relates to the frame for movement design field, relates in particular to the hydraulic clamp and the prop dismounting machine that use on a kind of prop dismounting machine.
Background technology
Hydraulic prop is the important support apparatus of coal mine work area, and consumption is big, maintenance task is heavy, and its B-C post dismounting is labour intensity maximum in the maintenance work, a poorest link of condition of work.
The hydraulic prop prop dismounting machine is that post equipment is torn in the hydraulic prop special use open, has the column efficiency of tearing open height, repair quality is good and alleviates advantages such as labor strength.As use the pillar that prop dismounting machine dismounting corrosion is serious, be difficult to dismounting, and then need it to have very big clamping force distance, existing clamping mode mainly contains two kinds:
The mechanical type chuck clamps, and is installed on the main shaft of prop dismounting machine, is used to clamp hydraulic prop; Operation is wasted time and energy, and often needs artificial hand hammer to pound tightly; Unbalance stress, local distortion is big, often causes hydraulic prop cylinder bulletin useless.
Unidirectional self energizing effort is eccentric to be clamped, and is installed on the main shaft of prop dismounting machine, is used to clamp hydraulic prop, though easy to operate, necessary back-to-back starting motor is lost time when unclamping, and equipment is impacted big; Clamping the position is that line contact with the monomer column oil cylinder, stressed concentrating, and aggravation eccentric card wearing and tearing, and oil cylinder local distortion is big, circularity and cylindricity are overproof, increase the workload of following operation recovery oil cylinder physical dimension, are out of shape and cause oil cylinder to scrap when serious.
The utility model content
The purpose of this utility model provide a kind of service efficiency height, easy to operate, to clamp the position stressed evenly, hydraulic clamp that is applied to prop dismounting machine and prop dismounting machine that the oil cylinder distortion is little.
The purpose of this utility model is achieved through the following technical solutions:
A kind of hydraulic clamp is installed on the main shaft of prop dismounting machine, is used to clamp hydraulic prop, comprising: axle sleeve 20, clamping device, thrust bearing 13 and hold-down mechanism; Axle sleeve 20 is fixed on the main shaft by bolt 1 and small washer 2, and clamping device is located at axle sleeve 20 ends and axle sleeve 20 with main shaft gyration; Hold-down mechanism is placed on the axle sleeve 20 static not with main shaft gyration; Hold-down mechanism is passed to clamping device by thrust bearing 13 with clamping force hydraulic prop is clamped;
Described hold-down mechanism comprises Z type oil cylinder and control device thereof, and control device is controlled Z type oil cylinder and then controlled the clamping device clamping or unclamp hydraulic prop.
Described clamping device comprises: preceding end plate 4, radially clamp mechanism, axial clamp mechanism;
Preceding end plate 4 is fixed in axle sleeve 20, comprises the disk and the sleeve of one, and disk is provided with the one group axial hole of assembled shaft to clamp mechanism; Sleeve is provided with and assembles radially one group of radial hole of clamp mechanism; One group is three or four;
Axially the clamp mechanism front end is equipped with the inclined-plane with footpath clamp mechanism end, and two inclined-planes cooperate the clamping force with hold-down mechanism to be passed to radially clamp mechanism front end, clamp hydraulic prop.
Be provided with steel ball 7 between described two inclined-planes.
Described radially clamp mechanism comprises one group of clamp 3 and radial push rod 6; In one group of axial hole before radial push rod 6 is located on the disk of end plate 4, radial push rod 6 ends are the terminal inclined-plane of described footpath clamp mechanism, and front end connects clamp 3.
Described radially clamp mechanism also comprises the back-moving spring 5 of radial push rod 6, is located between the sleeve of radial push rod 6 and preceding end plate 4.
Described axial clamp mechanism comprises one group of axial push rod 8, push-plate 10; The disk rear of end plate 4 before push-plate 10 is positioned at, be placed on the axle sleeve 20, in one group of radial hole before axially push rod 8 is located on the disk of end plate 4, axially push rod 8 front ends are described clamp mechanism front end inclined-plane, and the rear end is fixed on the push-plate 10 by nut 11 and large washer 12.
Described axial clamp mechanism also comprises axial push rod 8 disk spring 9 that resets, and is located between the disk of push-plate 10 and preceding end plate 4, drives axial push rod 8 by push-plate 10 and resets.
Described Z type oil cylinder comprises Z type cylinder body 15, Z type piston 17, small sealing ring 14 and large sealing packing ring 16; Z type cylinder body 15 comprises two sections stairstepping endoporus of size, and Z type piston 17 comprises two sections ladder oblique crank Zs of size; Small sealing ring 14 is located at Z type cylinder body 15 and Z type piston 17 front end minor diameter axis hole cooperation places, and large sealing packing ring 16 is located at Z type cylinder body 15 and Z type piston 17 front end major diameter axis hole cooperation places;
Z type cylinder body 15 connects thrust bearings 13 and clamping is added is passed to clamping device hydraulic prop is clamped.
Described Z type piston 17 is placed on the axle sleeve 20, and and 20 on axle sleeve be provided with angular contact ball bearing 18; Angular contact ball bearing 18 passes through thrust ring 19 axial location on axle sleeve 20.
A kind of prop dismounting machine is used to dismantle hydraulic prop, and any described hydraulic clamp that is used to clamp hydraulic prop of claim 1 to 9 is installed on the main shaft of prop dismounting machine.
The technical scheme that provides by above-mentioned the utility model as can be seen, hydraulic clamp described in the utility model is applied to prop dismounting machine, the service efficiency height, easy to operate, to clamp the position stressed evenly, the oil cylinder distortion is little.Save non-cutting time, minimizing equipment impacts, and increases the service life.
Description of drawings
Fig. 1 is the front view of the structural representation of hydraulic clamp described in the utility model;
Fig. 2 is the left view of the structural representation of hydraulic clamp described in the utility model;
Fig. 3 is the hydraulic scheme of hydraulic clamp described in the utility model.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills belong to protection domain of the present utility model not making the every other embodiment that is obtained under the creative work prerequisite.
Below in conjunction with accompanying drawing the utility model embodiment is described in further detail.
Embodiment one
As shown in Figure 1, a kind of hydraulic clamp is installed on the main shaft of prop dismounting machine, is used to clamp hydraulic prop, comprising: axle sleeve 20, clamping device, thrust bearing 13 and hold-down mechanism.
Axially the clamp mechanism front end is equipped with the inclined-plane with footpath clamp mechanism end, and two inclined-planes cooperate the clamping force with hold-down mechanism to be passed to radially clamp mechanism front end, clamp hydraulic prop.
Radially clamp mechanism comprises one group of clamp 3 and radial push rod 6; In one group of axial hole before radial push rod 6 is located on the disk of end plate 4, radial push rod 6 ends are the terminal inclined-plane of described footpath clamp mechanism, and front end connects clamp 3.
Described radially clamp mechanism also comprises the back-moving spring 5 of radial push rod 6, is located between the sleeve of radial push rod 6 and preceding end plate 4.
Axially clamp mechanism comprises one group of axial push rod 8, push-plate 10; The disk rear of end plate 4 was placed on the axle sleeve 20 before push-plate 10 was positioned at, and in one group of radial hole before axially push rod 8 is located on the disk of end plate 4, axially push rod 8 front ends are described clamp mechanism front end inclined-plane, and the rear end is fixed on the push-plate 10.
Described axial clamp mechanism also comprises axial push rod 8 disk spring 9 that resets, and is located between the disk of push-plate 10 and preceding end plate 4, drives axial push rod 8 by push-plate 10 and resets.
Be provided with steel ball 7 between described two inclined-planes.Have groove at radial push rod 6 ends in this example, be used to install steel ball 7.
Hold-down mechanism is placed on the axle sleeve 20 static not with main shaft gyration; Hold-down mechanism adds clamping by thrust bearing 13 and is passed to clamping device hydraulic prop is clamped;
Described hold-down mechanism comprises Z type oil cylinder and control device thereof, and control device is controlled Z type oil cylinder and then controlled the clamping device clamping or unclamp hydraulic prop.Described Z type oil cylinder comprises Z type cylinder body 15, Z type piston 17, small sealing ring 14 and large sealing packing ring 16; Z type cylinder body 15 comprises two sections stairstepping endoporus of size, and Z type piston 17 comprises two sections ladder oblique crank Zs of size; Small sealing ring 14 is located at Z type cylinder body 15 and Z type piston 17 front end minor diameter axis hole cooperation places, and large sealing packing ring 16 is located at Z type cylinder body 15 and Z type piston 17 front end major diameter axis hole cooperation places; Z type cylinder body connects 15 and connects thrust bearing 13 and clamping is added be passed to clamping device hydraulic prop is clamped.
Described Z type piston 17 is placed on the axle sleeve 20, and and 20 on axle sleeve be provided with angular contact ball bearing 18; Angular contact ball bearing 18 passes through thrust ring 19 axial location on axle sleeve 20.
In addition, the hydraulic power unit that connects prop dismounting machine for the oil circuit of the control device of the just described Z type of controlling party oil cylinder.
The utility model also comprises a kind of prop dismounting machine, is used to dismantle hydraulic prop, and the hydraulic clamp that above-mentioned being used to clamps hydraulic prop is installed on its main shaft.
Operating principle, axle sleeve 20 endoporus cooperate with prop dismounting machine main gear reducer shaft, by the flat key transmitting torque.During work, highly pressurised liquid is entered between Z type cylinder body 15 and the Z-shaped piston 17, Z-shaped piston 17 promotes push-plate 10, disk spring 9 is compressed, axially push rod 8 is moved to the left, and moves radially by steel ball 7 compressing radial push rods 6, and briquetting 3 clamps the hydraulic prop that is disassembled.Clamp the back and start main motor, rotate together by prop dismounting machine main gear reducer shaft drive axle sleeve 20, preceding end plate 4, back-moving spring 5, radial push rod 6, steel ball 7, axial push rod 8, disk spring 9, push-plate 10.The Z type cylinder body 15 of remainder, small sealing ring 14, large sealing packing ring 16, Z-shaped piston 17 and thrust ball bearing 13 rotating parts are isolated, and keep static.
In the time of need unclamping, Z type cylinder body 15 admission chambers are communicated with fuel tank, compressed disk spring 9 promotes push-plate 10 and moves to right, driving axial push rod 8 moves right, back-moving spring 5 promotes radial push rod 6 and outwards moves, and recovers initial position, unclamps the clamped hydraulic prop that is disassembled.
The power of hold-down mechanism is from the hydraulic power unit of supporting prop dismounting machine, the hydraulic system principle as shown in Figure 3:
When stepping up device work, handle hand-operated direction valve 21 to right position, pass through right position, the hydraulic control one-way valve 23 of hand-operated direction valve 21 from the pressure oil of hydraulic pump 22, enter clamping cylinder (Z type oil cylinder), Z type piston 17 stretches out, promote push-plate 10 compression disk springs 9, axially push rod 8 promotes radial push rod 6 and moves clamping work pieces;
Handle hand-operated direction valve 21 and recover meta, clamping cylinder (Z type oil cylinder) keeps clamped condition.
When the void of finishing the work is unclamped, handle hand-operated direction valve 22 to position, a left side, enter the control mouth of hydraulic control one-way valve 23 from the pressure oil of hydraulic pump 22, open hydraulic control one-way valve 23, the position, a left side of clamping cylinder liquid (Z type oil cylinder), hydraulic control one-way valve 23, hand-operated direction valve 21 communicates with fuel tank, compressed disk spring 9 unclamps clamping device, recovers initial position.
In addition, also be provided with overflow valve 24 and safety valve 25 in the hydraulic system.
In sum, hydraulic clamp described in the utility model, be applied on the prop dismounting machine after, have the following advantages:
1. greatly reduce and tear post labour intensity open, clamp, only unclamp and to move control valve, need not artificial hand hammer and beat.
2. improve work efficiency, save non-cutting time, when unclamping reversal valve is moved to the released position and get final product, need not back-to-back starting master motor.
3. minimizing equipment impacts, increase the service life, unclamp not back-to-back starting master motor, make the start-stop impact number of times of main motor, main gear reducer reduce half, and starting current is 5-7 times of rated current, impact to reducer gear during starting is the most serious, so but adopt revolution hydraulic clamp significant prolongation equipment life.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.
Claims (10)
1. a hydraulic clamp is installed on the main shaft of prop dismounting machine, is used to clamp hydraulic prop, it is characterized in that, comprising: axle sleeve (20), clamping device, thrust bearing (13) and hold-down mechanism; Axle sleeve (20) is fixed on the main shaft, and clamping device is located at axle sleeve (20) end and axle sleeve (20) with main shaft gyration; Hold-down mechanism is placed in axle sleeve (20) and goes up static not with main shaft gyration; Hold-down mechanism is passed to clamping device by thrust bearing (13) with clamping force hydraulic prop is clamped;
Described hold-down mechanism comprises Z type oil cylinder and control device thereof, and control device is controlled Z type oil cylinder and then controlled the clamping device clamping or unclamp hydraulic prop.
2. hydraulic clamp according to claim 1 is characterized in that, described clamping device comprises: preceding end plate (4), radially clamp mechanism, axial clamp mechanism;
Preceding end plate (4) is fixed in axle sleeve (20), comprises the disk and the sleeve of one, and disk is provided with the one group axial hole of assembled shaft to clamp mechanism; Sleeve is provided with and assembles radially one group of radial hole of clamp mechanism; One group is three or four;
Axially the clamp mechanism front end is equipped with the inclined-plane with footpath clamp mechanism end, and two inclined-planes cooperate the clamping force with hold-down mechanism to be passed to radially clamp mechanism front end, clamp hydraulic prop.
3. hydraulic clamp according to claim 2 is characterized in that, is provided with steel ball (7) between described two inclined-planes.
4. according to claim 2 or 3 described hydraulic clamps, it is characterized in that described radially clamp mechanism comprises one group of clamp (3) and radial push rod (6); Radial push rod (6) is located in one group of axial hole on the disk of preceding end plate (4), and radial push rod (6) end is the terminal inclined-plane of described footpath clamp mechanism, and front end connects clamp (3).
5. hydraulic clamp according to claim 4 is characterized in that, described radially clamp mechanism also comprises the back-moving spring (5) of radial push rod (6), is located between the sleeve of radial push rod (6) and preceding end plate (4).
6. according to claim 2 or 3 described hydraulic clamps, it is characterized in that described axial clamp mechanism comprises one group of axial push rod (8), push-plate (10); Push-plate (10) is positioned at the disk rear of preceding end plate (4), be placed on the axle sleeve (20), axially push rod (8) is located in one group of radial hole on the disk of preceding end plate (4), and axially push rod (8) front end is described clamp mechanism front end inclined-plane, and the rear end is fixed on the push-plate (10).
7. hydraulic clamp according to claim 6, it is characterized in that, described axial clamp mechanism also comprises axial push rod (8) disk spring (9) that resets, and is located between the disk of push-plate (10) and preceding end plate (4), drives axial push rod (8) by push-plate (10) and resets.
8. according to claim 1,2 or 3 described hydraulic clamps, it is characterized in that described Z type oil cylinder comprises Z type cylinder body (15), Z type piston (17), small sealing ring (14) and large sealing packing ring (16); Z type cylinder body (15) comprises two sections stairstepping endoporus of size, and Z type piston (17) comprises two sections ladder oblique crank Zs of size; Small sealing ring (14) is located at Z type cylinder body (15) and Z type piston (17) front end minor diameter axis hole cooperation place, and large sealing packing ring (16) is located at Z type cylinder body (15) and Z type piston (17) front end major diameter axis hole cooperation place;
Z type cylinder body (15) connects thrust bearing (13) and clamping is added is passed to clamping device hydraulic prop is clamped.
9. hydraulic clamp according to claim 8 is characterized in that, described Z type piston (17) is placed on the axle sleeve (20), and and axle sleeve (20) between be provided with angular contact ball bearing (18); Angular contact ball bearing (18) passes through thrust ring (19) axial location on axle sleeve (20).
10. a prop dismounting machine is used to dismantle hydraulic prop, it is characterized in that, any described hydraulic clamp that is used to clamp hydraulic prop of claim 1 to 9 is installed on the main shaft of prop dismounting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200541220U CN202001034U (en) | 2011-03-03 | 2011-03-03 | Hydraulic clamping device and prop dismounting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200541220U CN202001034U (en) | 2011-03-03 | 2011-03-03 | Hydraulic clamping device and prop dismounting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202001034U true CN202001034U (en) | 2011-10-05 |
Family
ID=44703779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200541220U Expired - Fee Related CN202001034U (en) | 2011-03-03 | 2011-03-03 | Hydraulic clamping device and prop dismounting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202001034U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470283A (en) * | 2013-08-26 | 2013-12-25 | 焦作欣扬程煤矿设备有限公司 | Novel upright assembling and disassembling device for upright columns of hydraulic support |
| CN104234728A (en) * | 2014-09-23 | 2014-12-24 | 中国矿业大学 | Automatic dismounting device for all hydraulic single prop |
| CN114059943A (en) * | 2021-11-19 | 2022-02-18 | 中铁二院工程集团有限责任公司 | Synchronous rotating hydraulic chuck for kilometer-level horizontal rope drill rod |
-
2011
- 2011-03-03 CN CN2011200541220U patent/CN202001034U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470283A (en) * | 2013-08-26 | 2013-12-25 | 焦作欣扬程煤矿设备有限公司 | Novel upright assembling and disassembling device for upright columns of hydraulic support |
| CN103470283B (en) * | 2013-08-26 | 2015-08-26 | 焦作欣扬程煤矿设备有限公司 | Hydraulic support column novel vertical type disassemblerassembler |
| CN104234728A (en) * | 2014-09-23 | 2014-12-24 | 中国矿业大学 | Automatic dismounting device for all hydraulic single prop |
| CN114059943A (en) * | 2021-11-19 | 2022-02-18 | 中铁二院工程集团有限责任公司 | Synchronous rotating hydraulic chuck for kilometer-level horizontal rope drill rod |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106926267B (en) | A kind of major diameter slurry shield machine hobboing cutter tool-changing mechanical arm | |
| CN202001034U (en) | Hydraulic clamping device and prop dismounting machine | |
| CN102284852A (en) | Semi-automatic torsional spring installation equipment | |
| CN101708605A (en) | Platform for disassembling and assembling disc hob | |
| CN203956455U (en) | A kind of roll bearing charging apparatus | |
| CN207606775U (en) | Locomotive axle box bearing press mounting tooling | |
| CN203475432U (en) | Rotating clamping structure in piling machine | |
| CN202137560U (en) | Hydraulic chuck | |
| CN201922232U (en) | Machine for disassembling and assembling automobile principal axis pin | |
| CN212497532U (en) | Gasoline engine generator flywheel takes out frock | |
| CN210413388U (en) | Special device for disassembling driving device of fully-suspended locomotive | |
| CN210069251U (en) | Non-excavation of pipeline is restoreed preliminary treatment steel strutting arrangement | |
| CN110919590A (en) | Vertical jack dismouting machine | |
| CN204997601U (en) | Mechanical seal extracting tool of pump | |
| CN220179225U (en) | Special tool for dismounting high-pressure nitrogen pump shaft sleeve | |
| CN203791237U (en) | Screw propulsion cleaning device for derusting bolt | |
| CN219467128U (en) | Detachable four-column oil press | |
| CN211193736U (en) | A auxiliary device for oil field maintenance | |
| CN2633900Y (en) | Double anode turning mechanism | |
| CN216731598U (en) | Breaking hammer piston and piston sleeve dismounting tool | |
| CN202001035U (en) | Machine for mounting or dismounting hydraulic pillar | |
| CN217494133U (en) | Multifunctional cylinder dismantling machine | |
| CN213470764U (en) | Honing device based on lathe is reformed transform | |
| CN210518006U (en) | Vertical worm gear barring machine with clutch braking system | |
| CN211517333U (en) | Vertical jack dismouting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20120303 |