CN207431380U - A kind of rotation adjusting mechanism of hydraulic shear - Google Patents
A kind of rotation adjusting mechanism of hydraulic shear Download PDFInfo
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- CN207431380U CN207431380U CN201721607193.2U CN201721607193U CN207431380U CN 207431380 U CN207431380 U CN 207431380U CN 201721607193 U CN201721607193 U CN 201721607193U CN 207431380 U CN207431380 U CN 207431380U
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- rotation axis
- rotating cylinder
- rotation
- connecting platform
- adjusting mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 239000000446 fuel Substances 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 238000010008 shearing Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 230000015271 coagulation Effects 0.000 abstract description 2
- 238000005345 coagulation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 38
- 230000000694 effects Effects 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Working Measures On Existing Buildindgs (AREA)
Abstract
The utility model is related to a kind of rotation adjusting mechanisms of hydraulic shear, including rotation axis, rotating cylinder and nut, upper shell includes upper connecting platform, lower housing includes lower connecting platform, on, washer is equipped between lower connecting platform, on, lower connecting platform is equipped with the through hole passed through for rotation axis, rotation axis is equipped with annular projection and circlip for shaft, on, lower connecting platform is arranged between nut and annular projection, rotating cylinder is arranged between annular projection and circlip for shaft, rotating cylinder is equipped with rotation-preventing mechanism, rotation-preventing mechanism includes block and the confined planes with block cooperation, block is mounted on lower housing, confined planes are arranged on the outer surface of rotating cylinder.The utility model is simple in structure, the micro-adjustment to the shearing inclination for cutting tooth is realized not only through the working arm of digging machine, enable the shear plane and wall body vertical for cutting tooth, shear efficiency that is horizontal, vertical and tilting coagulation figure wall is improved, and entirely adjustment process does not interfere with the oil circuit supply of hydraulic cylinder.
Description
Technical field
The utility model is related to a kind of rotation adjusting mechanisms of hydraulic shear, belong to technical field of engineering machinery.
Background technology
During demolishing buildings, hydraulic shear is widely used as one of forcible entry rescue tool, can by hydraulic shear
Operation is sheared or shredded to the concrete wall of building, reinforcing bar etc., achievees the purpose that demolition of buildings or rescue.
Hydraulic shear mainly includes upper shell, lower housing and the left and right shear body being arranged on lower housing, hydraulic cylinder, upper casing
Body is connected with digging machine working arm, is in block-like wall block structure for being sheared, cutting tooth can hold very much during demolition of buildings
It is easily shredded and completes shearing work, it is of less demanding to cutting tooth and wall block shearing inclination, but at demolition of buildings initial stage, due to
There are vertical, transverse direction or the concrete wall being obliquely installed in building, hydraulic shear cuts tooth when clamping concrete wall, past
It cannot cut tooth perpendicular to concrete wall structure and always tilt, can not ajust toward the shear plane for cutting tooth, if without adjusting
It is whole, can not only influence the dismounting of building, and long-time service can also damage hydraulic shear cut toothing.
It is existing exist cut tooth can 360 degree rotate hydraulic shears, pivoting support such as may be employed, although pivoting support can be real
Now to cutting tooth to positive justification, but pivoting support one causes the hydraulic system of hydraulic shear more complicated, and two-revolution supporting is more good at
Significantly the rotation of tooth is cut in adjustment, of high cost for just finely tuning for cutting tooth.
The working arm of existing digging machine can be finely adjusted to cutting tooth, if but directly often being adjusted with working arm adjustment
Journey can influence the supply of oil circuit, and repeatedly oil pipe winding deformation is susceptible to oil leakage phenomenon after adjustment, is cut in face of only need to finely tune
The shearing inclination of tooth and wall, therefore need to set one kind simple in structure, the shearing inclination for cutting tooth and wall can be finely adjusted
Mechanical rotation adjusting mechanism can make full use of the active force of the working arm of digging machine to cut tooth and wall to adjust, correct
Shearing inclination, satisfaction cuts tooth fine tuning to positive requirement, while is also avoided that the oil circuit for influencing hydraulic shear.
Utility model content
In view of the deficienciess of the prior art, offer is a kind of simple in structure, adjustment shearing inclination facilitates fast the utility model
Victory, shear efficiency is high, and does not disturb the rotation adjusting mechanism of the hydraulic shear of the supply of hydraulic oil.
The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of rotation adjusting mechanism of hydraulic shear, bag
It includes to connect the rotation axis of upper and lower casing, the rotating cylinder being sleeved on the outside of the rotation axis and connect with the rotation axle thread
The nut connect, the upper shell include upper connecting platform and are arranged on connecting platform to be used for what is be connected with digging machine working arm
Top shaft mounting hole, the lower housing include lower connecting platform, and washer is equipped between the upper and lower connecting platform, described upper and lower
Connecting platform is equipped with the through hole passed through for the rotation axis, and the outer surface of the rotation axis is equipped with and the nut thread
The external screw thread of connection, the rotation axis are equipped with for the annular projection to lower connecting platform /V and for rotating cylinder /V
Circlip for shaft, the upper and lower connecting platform is arranged between the nut and annular projection, and the rotating cylinder is arranged on
Between the annular projection and the circlip for shaft, it is tightly connected between the rotating cylinder and the rotation axis；
The top of the rotation axis is equipped with oil inlet and oil return opening, and the rotating cylinder is equipped with fuel feed hole and oil return hole, institute
It states oil inlet to connect with the fuel feed hole by oil inlet runner, the oil return opening is connected by oil return runner with the oil return hole；
The rotating cylinder is equipped with rotation-preventing mechanism, and the rotation-preventing mechanism includes block and the confined planes with block cooperation, institute
Block is stated on the lower housing, the confined planes are arranged on the outer surface of the rotating cylinder.
The beneficial effects of the utility model are：Top axis connection on the working arm and upper shell of digging machine, hydraulic shear are cut
Body clamps wall to be removed, passes to upper shell by the rotation of working arm, rotation axis and lower housing rotate therewith, hydraulic shear
Cut tooth on the lower housing, so as to ajust the shearing inclination for cutting tooth and dismantling concrete wall, the working arm rotation of digging machine
The shearing inclination process of tooth is cut in adjustment, although rotation axis rotates, rotating cylinder remains stationary as under the action of rotation-preventing mechanism, it is ensured that
The connection of oil pipe and oilhole, in rotation axis below ring shaped oil passage remain and connected with oilhole, it is ensured that the hydraulic pressure of hydraulic cylinder
The supply of oil.In short, the utility model is simple in structure, and it is easy to adjust, it is cut not only through the working arm realization of digging machine to cutting tooth
The micro-adjustment of corner cut degree so that cut the shear plane energy and wall body vertical of tooth, improve horizontal, vertical and inclination coagulation figure wall
Shear efficiency, and entirely adjustment process does not interfere with the oil circuit supply of hydraulic cylinder.
Based on the above technical solutions, the utility model can also do following improvement.
Further, the rotation axis is connected by T-shaped set with the lower connecting platform.
Advantageous effect using above-mentioned further scheme is to reduce abrasion of the rotation axis rotation process to lower connecting platform,
Ensure the support strength of lower housing.
Further, sealing ring is equipped between the rotation axis and the rotating cylinder.
Advantageous effect using above-mentioned further scheme is that hydraulic oil is supplied by rotation axis, rotating cylinder for hydraulic cylinder,
Rotation axis and the leakproofness of rotating cylinder are improved, avoids hydraulic fluid leak.
Further, it is respectively equipped with groove on the upper and lower surface of the washer.
Advantageous effect using above-mentioned further scheme is that fitting is closer, increases the leakproofness for being vertically connected with platform.
Further, spacer sleeve is equipped between the top of the rotating cylinder and the annular projection.
Advantageous effect using above-mentioned further scheme is that spacer sleeve can be used nylon and be made, to reduce rotation axis
Drive the abrasion of annular projection rotation process rotating cylinder, annular projection.
Further, the lower part of the rotation axis is equipped with protection washer.
Advantageous effect using above-mentioned further scheme is that protective pad snare is used to that axis be protected to use mounted in the outside of rotation axis
Circlip, reduces rotation axis rotation process, abrasion of the rotating cylinder not rotated to circlip for shaft, and extending shaft is kept off with elasticity
The service life of circle.
Further, the rotating cylinder is equipped with to accommodate the annular groove of the protection washer.
Advantageous effect using above-mentioned further scheme is that protection washer is embedded into annular groove, and installation is more stablized.
Further, the bottom of the upper connecting platform is equipped with limited step.
Advantageous effect using above-mentioned further scheme is that limited step can carry out /V to the outer profile of washer.
Description of the drawings
Fig. 1 is the main structure diagram of the utility model；
Fig. 2 is the overlooking the structure diagram of the utility model；
Fig. 3 is the structure diagram of the rotating cylinder of the utility model；
Fig. 4 is the structure diagram that the utility model is applied to hydraulic shear；
In figure, 1, rotation axis；2nd, rotating cylinder；3. nut；4th, upper connecting platform；5th, lower connecting platform；6th, washer；7th, it is annular
Protrusion；8th, circlip for shaft；9th, fuel feed hole；10th, oil return hole；11st, oil inlet runner；12nd, oil return runner；13rd, confined planes；14、
Block；15th, oil inlet；16th, oil return opening；17th, T-shaped set；18th, sealing ring；19th, groove；20th, washer is protected；21st, spacer sleeve；23、
Limited step；24th, top shaft mounting hole；25th, upper shell；26th, lower housing；27th, tooth is cut on a left side；28th, tooth is cut on the right side；29th, left hydraulic oil
Cylinder；30th, right hydraulic cylinder.
Specific embodiment
The principle and feature of the utility model are described below in conjunction with example, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
As shown in Figure 1-Figure 3, the rotation adjusting mechanism of a kind of hydraulic shear, the rotation axis including being used to connect upper and lower casing
1st, the rotating cylinder 2 being sleeved on the outside of the rotation axis and the nut 3 being threadedly coupled with the rotation axis, the upper shell include upper
Connecting platform 4 and be arranged on connecting platform for the top shaft mounting hole 24 that is connected with digging machine working arm, the lower casing
Body includes lower connecting platform 5, and washer 6 is equipped between the upper and lower connecting platform, and the upper and lower connecting platform is equipped with and is used for
The through hole that the rotation axis passes through, the outer surface for stretching out the rotation axis of the upper connecting platform are equipped with and the nut spiral shell
The external screw thread of line connection, the rotation axis are equipped with for the annular projection 7 to lower connecting platform /V and for rotating cylinder
The circlip for shaft 8 of /V, the upper and lower connecting platform are arranged between the nut and annular projection, the rotating cylinder
It is arranged between the annular projection and the circlip for shaft, is tightly connected between the rotating cylinder and the rotation axis；
The top of the rotation axis is equipped with oil inlet 15 and oil return opening 16, and the rotating cylinder is equipped with fuel feed hole 9 and oil return
Hole 10, the oil inlet are connected by oil inlet runner 11 with the fuel feed hole, the oil return opening by oil return runner 12 with it is described
Oil return hole connects；
The rotating cylinder is equipped with rotation-preventing mechanism, and the rotation-preventing mechanism includes block 14 and the confined planes with block cooperation
13, the confined planes are perpendicular, and the block is mounted on the lower housing, and the confined planes are arranged on the rotating cylinder
Outer surface.
The rotation axis is connected by T-shaped set 17 with the lower connecting platform.Rotation axis rotation process is reduced to lower connection
The abrasion of platform ensures the support strength of lower housing.
Sealing ring 18 is equipped between the rotation axis and the rotating cylinder.For hydraulic oil by rotation axis, rotating cylinder is hydraulic pressure
Oil cylinder is supplied, and is improved rotation axis and the leakproofness of rotating cylinder, is avoided hydraulic fluid leak.
Groove 19 is respectively equipped on the upper and lower surface of the washer.
Spacer sleeve 20 is equipped between the top of the rotating cylinder and the annular projection.Spacer sleeve can be used nylon make and
Into to reduce abrasion of the rotation axis drive annular projection rotation process rotating cylinder to annular projection.
The lower part of the rotation axis is equipped with protection washer 20.Protective pad snare is used to that axis be protected to use mounted in the outside of rotation axis
Circlip, reduces rotation axis rotation process, abrasion of the rotating cylinder not rotated to circlip for shaft, and extending shaft is kept off with elasticity
The service life of circle.
The rotating cylinder is equipped with to accommodate the annular groove of the protection washer.Protection washer is embedded into annular groove,
Installation is more stablized.
The bottom of the upper connecting platform is equipped with limited step 23.Limited step can carry out /V to the outer profile of washer.
The working arm of digging machine is cutting for hydraulic shear with the top axis connection on upper shell 25, the shear body impetus of hydraulic shear
Body clamps wall to be removed, and the working arm action of digging machine, upper shell is transferred the force to by the action of working arm at this time,
Rotation axis and lower housing 26 rotate therewith, and tooth 27 is cut on the left side of hydraulic shear, tooth 28 is cut on lower housing in the right side, and tooth is cut so as to ajust
With the shearing inclination of dismantling concrete wall, the working arm of digging machine rotates the shearing inclination process that tooth is cut in adjustment, although rotation axis
It rotates, but rotating cylinder remains stationary as under the action of rotation-preventing mechanism, it is ensured that the connection of oil pipe and oilhole, oil are entered by oil inlet
Subsequently into ring shaped oil passage corresponding with fuel feed hole in vertical oil duct in rotation axis, no matter how rotation axis rotates, annular oil
Road is remained to be connected with fuel feed hole, is always the oil circuit fuel feeding of hydraulic cylinder, and similarly oil return circuit also normally circulates, it is ensured that left
Hydraulic cylinder 29, right hydraulic cylinder 30 hydraulic oil supply.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modifications, equivalent replacements and improvements are made should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. the rotation adjusting mechanism of a kind of hydraulic shear, which is characterized in that rotation axis, suit including being used to connect upper and lower casing
Rotating cylinder on the outside of the rotation axis and the nut being threadedly coupled with the rotation axis, the upper shell include upper connecting platform
And be arranged on connecting platform for the top shaft mounting hole that is connected with digging machine working arm, the lower housing includes lower connection
Platform, washer is equipped between the upper and lower connecting platform, and the upper and lower connecting platform is equipped with and is passed through for the rotation axis
Through hole, the outer surface of the rotation axis is equipped with external screw thread be connected with the nut thread, and the rotation axis is equipped with use
In the annular projection to lower connecting platform /V and for the circlip for shaft to rotating cylinder /V, the upper and lower connection is put down
Platform is arranged between the nut and annular projection, and the rotating cylinder is arranged on the annular projection and the circlip for shaft
Between, it is tightly connected between the rotating cylinder and the rotation axis；
The top of the rotation axis be equipped with oil inlet and oil return opening, the rotating cylinder be equipped with fuel feed hole and oil return hole, it is described into
Hydraulic fluid port is connected by oil inlet runner with the fuel feed hole, and the oil return opening is connected by oil return runner with the oil return hole；
The rotating cylinder is equipped with rotation-preventing mechanism, and the rotation-preventing mechanism includes block and the confined planes with block cooperation, the gear
Block is mounted on the lower housing, and the confined planes are arranged on the outer surface of the rotating cylinder.
2. the rotation adjusting mechanism of hydraulic shear according to claim 1, which is characterized in that the rotation axis passes through T-shaped set
It is connected with the lower connecting platform.
3. the rotation adjusting mechanism of hydraulic shear according to claim 1 or 2, which is characterized in that the rotation axis with it is described
Sealing ring is equipped between rotating cylinder.
4. the rotation adjusting mechanism of hydraulic shear according to claim 1, which is characterized in that the upper and lower surface of the washer
On be respectively equipped with groove.
5. the rotation adjusting mechanism of hydraulic shear according to claim 1, which is characterized in that the top of the rotating cylinder and institute
It states and spacer sleeve is equipped between annular projection.
6. the rotation adjusting mechanism of hydraulic shear according to claim 1, which is characterized in that the lower part of the rotation axis is equipped with
Protect washer.
7. the rotation adjusting mechanism of hydraulic shear according to claim 6, which is characterized in that the rotating cylinder is equipped with and is used for
Accommodate the annular groove of the protection washer.
8. the rotation adjusting mechanism of hydraulic shear according to claim 1, which is characterized in that the bottom of the upper connecting platform
Equipped with limited step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721607193.2U CN207431380U (en) | 2017-11-27 | 2017-11-27 | A kind of rotation adjusting mechanism of hydraulic shear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721607193.2U CN207431380U (en) | 2017-11-27 | 2017-11-27 | A kind of rotation adjusting mechanism of hydraulic shear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207431380U true CN207431380U (en) | 2018-06-01 |
Family
ID=62288035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721607193.2U Active CN207431380U (en) | 2017-11-27 | 2017-11-27 | A kind of rotation adjusting mechanism of hydraulic shear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207431380U (en) |
-
2017
- 2017-11-27 CN CN201721607193.2U patent/CN207431380U/en active Active
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