CN209010004U - A kind of clamping device of hollow - Google Patents
A kind of clamping device of hollow Download PDFInfo
- Publication number
- CN209010004U CN209010004U CN201821519370.6U CN201821519370U CN209010004U CN 209010004 U CN209010004 U CN 209010004U CN 201821519370 U CN201821519370 U CN 201821519370U CN 209010004 U CN209010004 U CN 209010004U
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- hollow
- clamping
- oil
- clamping device
- piston rod
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Abstract
The utility model provides a kind of clamping device of hollow, including the lift piston rod being mechanically connected with handling and the clamping end inside hollow can be extend into, the clamping end includes the power device fixed with the lift piston rod and the gripping block that multiple balanced output ends with the power device are connect, and the gripping block is stretched under the drive of the power device to support and fix with the inner wall of the hollow.A kind of clamping device of hollow provided by the utility model realizes clamping inside hollow, not damaged to the outer surface of hollow, and hollow clamping position is uniform by vehicle, and field labor intensity is effectively reduced, easy to operate.
Description
Technical field
The utility model relates to clamping device, especially a kind of clamping device of hollow.
Background technique
In processing and manufacturing field at this stage, the clamping device of workpiece mainly includes with manual, hydraulic, air pressure, electric power, electricity
Magnetic etc. is the clamping device of power source.And the handling for hollow, most of factory are still rope coil by the way of
Tie up formula handling.This handling mode is more convenient for miniature workpiece or blank, but for larger workpiece, this mode is operated
Cumbersome, danger coefficient is high, and typically no security mechanism, seriously threatens the life security of operator.Further, since pneumatic
It is small with the clamping force of electric power clamping device, it is poor to clamp rigidity；Electromagnetic clamp device higher cost, inconvenient maintenance.
Utility model content
The utility model main purpose is to solve the above problems and insufficient, provides a kind of clamping device of hollow.
To achieve the above object, the clamping device of a kind of hollow provided by the utility model, technical solution is:
A kind of clamping device of hollow including the lift piston rod being mechanically connected with handling and can be extend into hollow
The clamping end in portion, the clamping end include filling with the fixed power device of the lift piston rod and the multiple balanced and power
Set output end connection gripping block, the gripping block under the drive of the power device stretch with in the hollow
Wall support is fixed.
Further, be fixed on the lift piston rod can with the shaft shoulder of the lift piston rod cooperate and limit described in
The mounting plate of clamping end installation site and axial displacement on the lift piston rod.
Further, axle sleeve is arranged with outside the lift piston rod, the bottom of the axle sleeve and mounting plate socket are solid
It is fixed.
Further, the clamping end further includes fixed plate, and the power device is fixed in the fixed plate.
Further, the power device includes tetrad oil cylinder, and four output ends of the tetrad oil cylinder pass through folder respectively
Hold piston rod with the gripping block is replaceable is fixedly connected.
Further, the power device further includes the reset bullet that each clamp piston bar can be made to reply original state
Spring.
Further, the power device includes providing the oil sources of pressure oil, the oil sources and institute for the tetrad oil cylinder
Tetrad oil cylinder is stated to be connected to by oil inlet conduit and five-way valve.
Further, oil-supplying switch valve is provided on the oil inlet conduit.
Further, guide valve is additionally provided on the oil inlet conduit.
Further, it is also communicated with draining conduit on the tetrad oil cylinder, is provided with oil drain switch on the draining conduit
Valve.
In conclusion a kind of hollow clamping device provided by the utility model has following excellent compared with present technology
Point:
1. realizing clamping inside hollow, make to clamp position uniform force, oil cylinder deformation is small；
2. after clamping device is in place, only need to manipulate oil valve can be realized clamp operation, without manpower clamping even hand
Hammer is pounded tightly, and when need to unclamp also without human intervention, field labor intensity significantly reduces, easy to operate；
3. clamping device mode capable of hoisting has the workpiece of machined inner surface, wirerope is to during avoiding existing handling
The damage of machined surface；
4. gripping block is Replacement Part, the hollow of different structure is realized by changing the shape of gripping block to work
The effective clamping and handling of part.
Detailed description of the invention:
A kind of Fig. 1: hollow clamping device structural representation cross-sectional view of the utility model；
Fig. 2: a kind of hollow clamping device A of the utility model to schematic diagram；
A kind of Fig. 3: the clamping end structural representation cross-sectional view of hollow clamping device of the utility model；
Wherein, lift piston rod 1, axle sleeve 2, oil sources 3, check valve 4, reset spring 5, gripping block 6, tetrad oil cylinder 7, Oil Guide
Pipe 8, five-way valve 9, fixed plate 10, control valve group 11, oil-supplying switch valve 12, fuel feeding interface 13, oil drain switch valve 14, draining connects
Mouth 15, draining conduit 16, oil inlet conduit 17, mounting plate 18, hollow 19, fuel tank 20, clamp piston bar 21, oil cylinder chamber 22 push away
Plate 23.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing.
A kind of clamping device of hollow including the lift piston rod 1 being mechanically connected with handling and can extend into hollow
Clamping end inside 19, clamping end include the power device fixed with lift piston rod 1 and multiple balanced defeated with 1 power device
The gripping block 6 of outlet connection, gripping block are stretched under the drive of power device to support and fix with the inner wall of hollow 19.
It is specific to introduce it by taking cylindric hollow 19 as an example for a kind of clamping device of hollow provided by the utility model
Structure is constituted, as shown in Figure 1, the top of lift piston rod 1 and handling are mechanically connected, the bottom of lift piston rod 1 with extend into
19 hollow space of the hollow and clamping end for playing clamping action is fixed, to complete hollow under the drive of handling machinery
19 handling.The lower part of 1 body of rod of lift piston rod, the top of clamping end, suit are fixed with mounting plate 18, mounting plate 18 and promotion
The shaft shoulder of piston rod 1 cooperates, and limits installation site and axial displacement of the clamping end in lift piston rod 1, the ear mount of mounting plate 18
Further pass through square pin with the ear mount of lift piston rod 1 to connect, it is opposite with lift piston rod 1 for limiting mounting plate 18
Rotation.In the top of mounting plate 18, axle sleeve 2 is further sleeved with outside lift piston rod 1, the bottom of axle sleeve 2 is flared equipped with variable diameter, installation
The top of plate 18 is inserted into flaring, as shown in Figure 1, the ear mount part of mounting plate 18, is inserted into the flaring of 2 bottom of axle sleeve,
And mounting plate 18 and axle sleeve 2 fix relative position by screw at flaring.
Fixed plate 10 is bolted on the lower part of mounting plate 8, and clamping end is fixed in fixed plate 10, by fixed plate 10
It plays a supporting role to clamping end, clamping end includes power device and fixes with the output end of power device to rise to hollow 19
Lateral surface to the gripping block 6 of clamping action, gripping block 6 is cambered surface, and cambered surface radius is identical as the inside radius of hollow 19, in reality
Border should be in, and the interior shape of the outer side edges and hollow 19 of gripping block 6 matches, and can replace, so that entire clamping
Device is suitable for the clamping handling of hollow 19 of different shapes.In embodiment provided by the utility model, power device is
Tetrad oil cylinder 7, including be in criss-cross oil cylinder chamber 22, the inside of oil cylinder chamber 22 cooperates 23 roof of oil cylinder chamber by four pieces of push plates 23
Rodless cavity is formed with bottom wall, through-hole is provided on the front side wall of four output ends of oil cylinder chamber 22, clamp piston bar 21 passes through logical
Hole, one end are connect with the push plate 23 inside tetrad oil cylinder 7, and the other end is detachably fixed with gripping block 6, in be held
The structure of empty part 19 is different, the fixed different gripping block 6 of replacement.It is set with reset spring 5 on clamping piston bar 21, resets bullet
Spring 5 is arranged between the inside of the front side wall of 22 output end of push plate 23 and oil cylinder chamber, during clamping handling, in tetrad oil cylinder
Under 7 people uses, clamp piston bar 21 overcomes the spring force of reset spring 5 to move out, and makes the inside of gripping block 6 Yu hollow 19
Wall offsets, and plays support in the inside of hollow 19 and fixes, to play clamping action.To avoid power device in fixed plate 10
On fall off, on the periphery of fixed plate 10, be provided with restriction protrusion, the fixing of oil cylinder chamber 22 is scheduled on the space that restriction protrusion surrounds
It is interior, offset on the inside of the outside of the front side wall of 22 output end of oil cylinder chamber and restriction protrusion, in a normal state, gripping block 6 it is interior
There are gaps for the lateral surface of side and restriction protrusion, in order to the disassembly, installation and replacement of gripping block 6.
Tetrad oil cylinder 7 is oil circuit portion in the utility model as shown in figure 1 shown in black pipeline portions and Fig. 3 by oil pressure actuated
Divide schematic diagram, the control valve group 11 on oil circuit includes oil-supplying switch valve 12, oil drain switch valve 15, and 17 one end of oil inlet conduit passes through confession
Oily interface 13 is connected to oil sources 3, and the other end is connected to oil guide pipe 8, and the other end of oil guide pipe 8 passes through five-way valve 9 and tetrad oil cylinder 7
Connection, is connected to oil-supplying switch valve 12 on oil inlet conduit 17, and control oil sources 3 realizes clamp operation to 7 fuel feeding of tetrad oil cylinder.It leads
Oil pipe 8 is connected to draining conduit 16 simultaneously, and draining conduit 16 is connected to by oil return interface 15 with fuel tank 20, is connected on draining conduit 16
It removes heat by catharsis oil circuit breaker valve 15, realizes the separation after clamping with hollow 19.Oil inlet conduit 17 and draining conduit 16 are as shown in Figure 3
Though A, B point punishment is connected to oil guide pipe 8.To avoid during draining, oil pressure recoils into oil inlet conduit 17, and the anti-fuel feeding that pushes away is opened
Valve 12 is closed, oil return is entered in oil sources 3, check valve 4 is additionally provided on oil inlet conduit 17, further, check valve 4 is arranged
On oil inlet conduit 17 between oil-supplying switch valve 12 and five-way valve, one-way conduction.
When clamping device works, oil-supplying switch valve 12 is opened, oil drain switch valve 14 is in close state at this time, and oil sources 3 mentions
The pressure oil of confession is entered in the rodless cavity of tetrad oil cylinder 7 by check valve 4, oil guide pipe 8 and five-way valve 9, with the increasing of pressure
Greatly, overcoming spring force, clamp piston bar 21 is shot out, and is offseted by gripping block 6 and 19 inner wall of hollow, and it is close to support, it is real
Now treat the clamping of the hollow 19 of handling.After the completion of clamping, close oil-supplying switch valve 2, check valve 3 and use under, power
Device is in state of pressure keeping, and clamping device is in clamped condition always for hollow 19, starts crane operation.Complete handling
Afterwards, oil drain switch valve 14 is opened, 7 rodless cavity of tetrad oil cylinder is connected to by five-way valve 9 and oil guide pipe 8 with draining conduit 16, multiple
Under the acting in opposition of position 5 spring force of spring, 21 fast retractile of clamp piston bar to initial position is realized to by the hollow of handling
19 release, returns to initial position.Oil drain switch valve 14 is closed, tetrad oil cylinder 7 is in original state, waits subsequent operation.
It should be noted that in embodiment provided by the utility model, power device is using tetrad oil cylinder 7 and matched
Oil circuit, in practical applications, can concrete shape according to the hollow 19 of handling to be clamped, size, weight, determine the class of oil cylinder
Type, the quantity of output end and corresponding gripping block 6, size, the shape of gripping block 6 can also be replaced as needed, so as to in
Empty part 19 matches.And other power sources, such as hydraulic, any power common in the prior art of electric power can also be used in power device
Source, the balanced output end with power device of gripping block 6 are fixed, and 19 uniform force of hollow is made.In the present invention, institute above
Orientation shown in Fig. 1 is subject in the various orientation stated, such as upper and lower, bottom, top, and hollow 19 is vertically placed, and promotes piston
Bar 1 is vertical with oil cylinder chamber 22 fixed, can be as needed in practical just use, and lift piston rod 1 and oil cylinder chamber 22 are with any angle
Fixed, lift piston rod 1 carries out the angle and the detachable fixation of mode of handling with handling machinery.Power device work
In state, any angle state can be at.
In conclusion a kind of hollow clamping device provided by the utility model has following excellent compared with present technology
Point:
1. realizing clamping inside hollow, make to clamp position uniform force, oil cylinder deformation is small；
2. after clamping device is in place, only need to manipulate oil valve can be realized clamp operation, without manpower clamping even hand
Hammer is pounded tightly, and when need to unclamp also without human intervention, field labor intensity significantly reduces, easy to operate；
3. clamping device mode capable of hoisting has the workpiece of machined inner surface, wirerope is to during avoiding existing handling
The damage of machined surface；
4. gripping block is Replacement Part, the hollow of different structure is realized by changing the shape of gripping block to work
The effective clamping and handling of part.
As described above, similar technical solution can be derived in conjunction with given plan content.But it is all without departing from this
The content of utility model technical solution, it is made by the above technical examples according to the technical essence of the present invention any simply to repair
Change, equivalent variations and modification, is still within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of clamping device of hollow, it is characterised in that: including the lift piston rod being mechanically connected with handling and can protrude into
Clamping end inside to hollow, the clamping end include the power device fixed with the lift piston rod and it is multiple balanced and
The power device output end connection gripping block, the gripping block under the drive of the power device stretch with it is described
The inner wall of hollow, which supports, to be fixed.
2. a kind of clamping device of hollow as described in claim 1, it is characterised in that: be fixed on the lift piston rod
It can cooperate with the shaft shoulder of the lift piston rod and limit the clamping end installation site and axial direction on the lift piston rod
The mounting plate of displacement.
3. a kind of clamping device of hollow as claimed in claim 2, it is characterised in that: be arranged with outside the lift piston rod
Axle sleeve, the bottom of the axle sleeve are sleeved and fixed with the mounting plate.
4. a kind of clamping device of hollow as described in claim 1, it is characterised in that: the clamping end further includes fixing
Plate, the power device are fixed in the fixed plate.
5. a kind of clamping device of hollow as described in claim 1, it is characterised in that: the power device includes tetrad oil
Cylinder, four output ends of the tetrad oil cylinder pass through respectively clamp piston bar with the gripping block is replaceable is fixedly connected.
6. a kind of clamping device of hollow as claimed in claim 5, it is characterised in that: the power device further includes that can make
Each clamp piston bar replys the reset spring of original state.
7. a kind of clamping device of hollow as claimed in claim 5, it is characterised in that: the power device is including being described
Tetrad oil cylinder provides the oil sources of pressure oil, and the oil sources is connected to the tetrad oil cylinder by oil inlet conduit and five-way valve.
8. a kind of clamping device of hollow as claimed in claim 7, it is characterised in that: be provided with confession on the oil inlet conduit
Oil circuit breaker valve.
9. a kind of clamping device of hollow as claimed in claim 8, it is characterised in that: be additionally provided on the oil inlet conduit
Guide valve.
10. a kind of clamping device of hollow as claimed in claim 7, it is characterised in that: be also connected on the tetrad oil cylinder
There is draining conduit, is provided with oil drain switch valve on the draining conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821519370.6U CN209010004U (en) | 2018-09-18 | 2018-09-18 | A kind of clamping device of hollow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821519370.6U CN209010004U (en) | 2018-09-18 | 2018-09-18 | A kind of clamping device of hollow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209010004U true CN209010004U (en) | 2019-06-21 |
Family
ID=66833417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821519370.6U Active CN209010004U (en) | 2018-09-18 | 2018-09-18 | A kind of clamping device of hollow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209010004U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110316505A (en) * | 2019-07-15 | 2019-10-11 | 龙游志达环保设备有限公司 | A kind of concrete duct installation equipment for sewerage system construction |
| CN110577143A (en) * | 2019-08-30 | 2019-12-17 | 海洋石油工程股份有限公司 | Tubular pile hoisting equipment and using method thereof |
-
2018
- 2018-09-18 CN CN201821519370.6U patent/CN209010004U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110316505A (en) * | 2019-07-15 | 2019-10-11 | 龙游志达环保设备有限公司 | A kind of concrete duct installation equipment for sewerage system construction |
| CN110577143A (en) * | 2019-08-30 | 2019-12-17 | 海洋石油工程股份有限公司 | Tubular pile hoisting equipment and using method thereof |
| CN110577143B (en) * | 2019-08-30 | 2021-08-27 | 海洋石油工程股份有限公司 | Tubular pile hoisting equipment and using method thereof |
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