CN109202499A - Clamp for machining and clamping method for rotating platform of crane - Google Patents
Clamp for machining and clamping method for rotating platform of crane Download PDFInfo
- Publication number
- CN109202499A CN109202499A CN201811451641.3A CN201811451641A CN109202499A CN 109202499 A CN109202499 A CN 109202499A CN 201811451641 A CN201811451641 A CN 201811451641A CN 109202499 A CN109202499 A CN 109202499A
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- China
- Prior art keywords
- centering
- clamp
- crane
- rotating platform
- hold
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of clamp for machining and clamping method for rotating platform of crane.Clamp for machining includes jig platform and two centering clamp systems, two centering clamp systems are respectively arranged at the rear and front end of jig platform respectively to progress centering clamping at the preceding hinge Kong Chu of rotating platform of crane and rear hinge hole, centering clamp system includes main structure and is symmetrically arranged two centering structures in the left and right sides of main structure, and two centering structures are moved relative to main structure synchronous backward to clamp rotating platform of crane.Clamp for machining of the invention realizes the positioning of the centering to turntable using two centering clamp systems for being located at rear and front end automatically, and high degree of automation improves processing quality and improves the efficiency of centering clamping.
Description
Technical field
The present invention relates to technical field of engineering machinery, in particular to a kind of clamp for machining and clamping for rotating platform of crane
Method.
Background technique
Rotating platform of crane is structural member important on crane, and semi-girder is assemblied on rotating platform of crane to complete to lift dynamic
Make.Being fitted by the preceding hinge hole being arranged on turntable and rear hinge hole and realize due to semi-girder and turntable, turntable
Preceding hinge hole and the processing quality in rear hinge hole be important qualifying point in turntable processing.And the clamping effect of turntable is straight
Connect the processing quality in the preceding hinge hole and rear hinge hole that affect turntable.
Currently, the fixture of turntable mainly includes backer, lead screw, pressing plate and threaded rod.The centering of turntable clamping compresses
By manually adjusting to tighten lead screw completion, clamping effect relies heavily on the level of skill of worker, therefore is difficult
Guarantee the consistency of turntable pressing force and then not can guarantee the consistency of processing quality.And the large labor intensity of worker, clamping
Low efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of clamp for machining and clamping method for rotating platform of crane, to improve processing
Quality.
First aspect present invention provides a kind of clamp for machining for rotating platform of crane, comprising:
Jig platform；With
Two centering clamp systems are respectively arranged at the rear and front end of jig platform respectively to the preceding hinge of rotating platform of crane
Centering clamping is carried out at spot hole and at rear hinge hole, centering clamp system includes main structure and is symmetrically arranged in main body knot
Two centering structures of the left and right sides of structure, two centering structures are moved relative to main structure synchronous backward to clamp crane
Turntable.
In some embodiments, centering clamp system is movably disposed in the longitudinal direction relative to jig platform.
In some embodiments, centering clamp system further includes the pressure sensing part for being set to the medial surface of centering structure,
Pressure sensing part for incuding centering structure to the size of the pressing force of rotating platform of crane, when pressing force reaches setting value pair in
Structure stop motion.
In some embodiments, clamp for machining further includes hold-down mechanism, and hold-down mechanism is for rotating platform of crane to be pressed to
On jig platform.
In some embodiments, hold-down mechanism includes the bottom plate compacting machine compressed for the bottom plate to rotating platform of crane
Structure, bottom plate hold-down mechanism include being arranged movably in a vertical direction to compress or loosen the hold-down head of bottom plate.
In some embodiments, hold-down mechanism includes the circumferentially spaced at least two bottom plates hold-down mechanism along bottom plate
In some embodiments, hold-down head is movably disposed in the horizontal plane close to or far from bottom plate.
In some embodiments, hold-down mechanism includes the rear sealing plate pressure compressed for the rear sealing plate to rotating platform of crane
Tight mechanism, rear sealing plate hold-down mechanism include that can be rotatably set relative to jig platform around vertical axes and move along the vertical direction
The pressure arm of ground setting.
In some embodiments, two centering clamp systems include the rear centering clamp system positioned at rear end, clamp for machining
It further include the support portion for being set to jig platform rear end, rear centering clamp system and rear sealing plate hold-down mechanism are all set in support portion
On, support portion is movably disposed along the longitudinal direction relative to jig platform.
In some embodiments, clamp for machining further includes lifting body, and lifting body is used for the rear side to rotating platform of crane
It is supported.
In some embodiments, lifting body includes the jacking head being arranged movably in a vertical direction, and jacking head is used for
It is abutted at the top of the notch on the oblique sealing plate of rotating platform of crane.
In some embodiments, jacking head is movably disposed in the longitudinal direction relative to jig platform.
In some embodiments, clamp for machining further includes laser centring device, and laser centring device is for issuing lasing area
To form the benchmark that rotating platform of crane carries out centering.
In some embodiments, two centering clamp systems include the preceding centering clamp system positioned at front end, laser alignment
Before device is set on centering clamp system.
In some embodiments, clamp for machining further includes the guide post for being set to the left and right sides of jig platform, guide post
With inclined guide surface.
In some embodiments, clamp for machining further includes putting down for rotating platform of crane to be pressed to fixture in the height direction
Hold-down mechanism on platform, for lifting body, control system and and the control system being supported on rear side of rotating platform of crane
The operation panel of setting is coupled, operation button is provided on operation panel, control system receives the operation that operation button is sent and refers to
Show signal and controls centering clamp system, hold-down mechanism and lifting body auto-action according to operation instruction signal.
Second aspect of the present invention provides a kind of clamp for machining using any one of first aspect present invention to rotating platform of crane
The clamping method for carrying out clamping, includes the following steps:
The centering structure for controlling two centering clamp systems moves automatically realizes centering.
In some embodiments, clamping method further includes controlling two moving automatically to middle structure to middle clamp system
Realize the lasing area issued after centering using laser centring device to rear in preceding middle clamp system and rear centering clamp system
The position of one centering clamp system is finely adjusted.
In some embodiments, preceding centering clamp system and centering are clamped using the lasing area that laser centring device issues
The position of a centering clamp system in mechanism is finely adjusted including first by the lasing area and the preceding centering clamp system
Carry out centering with the position of another centering clamp system in rear centering clamp system, then again to preceding centering clamp system and
Afterwards the position of a centering clamp system in centering clamp system be finely adjusted so that one centering clamp system with
The lasing area centering.
In some embodiments, clamp for machining further includes the support portion for being set to jig platform rear end, rear centering clamping machine
Structure is set on support portion, and support portion is movably disposed along the longitudinal direction relative to jig platform, to rear centering clamp system
Position be finely adjusted it is mobile mobile with centering clamp system after driving including control support portion.
In some embodiments, clamp for machining further includes bottom plate hold-down mechanism, lifting body and rear sealing plate hold-down mechanism, dress
Clamping method further includes compressing after realizing automatic centering to rotating platform of crane, carries out compression to rotating platform of crane and includes:
The hold-down head of control bottom plate hold-down mechanism moves inward to setting position；
The compressed oil cylinder that bottom plate hold-down mechanism is controlled after hold-down head is moved to setting position acts so that hold-down head presses to
Bottom plate；
The oil pressure of compressed oil cylinder detect and when the oil pressure of compressed oil cylinder reaches during hold-down head presses to bottom plate
The jacking head decline of control lifting body when to the first oil pressure map value；
Control compressed oil cylinder acts again and when the oil pressure of compressed oil cylinder reaches the second oil pressure map after jacking head decline
Control jacking head rises when value.
In some embodiments, rotating platform of crane is compressed further include:
The top lift of detection jacking head during control jacking head rises；
Sealing plate hold-down mechanism acts so that pressure arm carries out rear sealing plate after controlling after top lift reaches top lift setting value
It compresses；
The detecting to the pressing force of pressure arm during being compressed to rear sealing plate, when the pressing force of pressure arm reaches
The compression to rotating platform of crane is completed when pressing force setting value.
Based on technical solution provided by the invention, clamp for machining of the invention is right using two that are located at rear and front end
Middle clamp system realizes that the centering to turntable positions automatically, high degree of automation, improves processing quality and improves centering clamping
Efficiency.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the stereochemical structure of rotating platform of crane；
Fig. 2 is the preceding hinge hole of rotating platform of crane and the schematic diagram in rear hinge hole；
Fig. 3 is structural schematic diagram of the clamp for machining of the embodiment of the present invention after piece uploading；
Fig. 4 is structural schematic diagram of the clamp for machining of the embodiment of the present invention before piece uploading；
Fig. 5 is the structural schematic diagram of the preceding centering clamp system in Fig. 4；
Fig. 6 is the structural schematic diagram of the bottom plate hold-down mechanism in Fig. 4；
Fig. 7 is the structural schematic diagram of the lifting body in Fig. 4；
Fig. 8 is the structural schematic diagram of the rear centering clamp system and rear sealing plate hold-down mechanism in Fig. 4；
Fig. 9 is the automatic impaction flow chart of the clamp for machining of the embodiment of the present invention.
Each appended drawing reference respectively represents:
1, rotating platform of crane；11, side plate；12, rear sealing plate；13, oblique sealing plate；14, bottom plate；A, preceding hinge hole；B, rear hinge
Hole；
2, clamp for machining；20, lifting body；21, jig platform；22, preceding centering clamp system；221, front body structure；
222, preceding centering structure；223, driving mechanism；23, rear centering clamp system；231, rear main structure；232, rear centering structure；
24, support portion；25, rear sealing plate hold-down mechanism；251, pressure arm；252, down pressing oil cylinder；253, support column；26, bottom plate hold-down mechanism；
261, hold-down head；262, track body；263, driving mechanism；27, guide post；28, laser centring device；29, locating piece.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In the following description, so-called " preceding " driving direction for referring to crane；" rear " refers to opposite with " preceding "
Side, " left side " and " right side " refer to the left and right directions in face of being formed when front.
As shown in Figure 1, rotating platform of crane 1 includes two side plates 11 for being arranged at intervals at the left and right sides, is set to two sides
Rear sealing plate 12 and oblique sealing plate 13 between plate 11 and positioned at rear side and the bottom plate 14 for being set to bottom.Wherein oblique sealing plate 13 tilts
Setting.As shown in Fig. 2, rotating platform of crane 1 includes the rear hinge hole B positioned at the preceding hinge hole A of front side and positioned at rear side.
As shown in Figure 3 and Figure 4, the clamp for machining for rotating platform of crane of the embodiment of the present invention includes:
Jig platform 21；With
Two centering clamp systems are respectively arranged at the rear and front end of jig platform 21 respectively to rotating platform of crane 1
Centering clamping is carried out at preceding hinge Kong Chu and rear hinge hole, centering clamp system includes main structure and is symmetrically arranged in master
Two centering structures of the left and right sides of body structure, two centering structures are moved relative to main structure synchronous backward to have clamped
Heavy-duty machine turntable.
The clamp for machining of the embodiment of the present invention is realized automatically using two centering clamp systems for being located at rear and front end
Centering positioning to turntable, high degree of automation improve processing quality and improve the efficiency of centering clamping.
In the present embodiment, two centering clamp systems include preceding centering clamp system 22 and rear centering clamp system 23.
Two centering clamp systems are movably disposed on 21 front-rear directions both with respect to jig platform.As shown in Figures 3 and 4, exist
After rotating platform of crane piece uploading, preceding centering clamp system 22 and rear centering clamp system 23 along jig platform 21 to middle part move with
Rotating platform of crane is clamped.Before rotating platform of crane piece uploading, preceding centering clamp system 22 and rear centering clamp system 23 are equal
It is moved outward along jig platform to provide enough spaces for turntable piece uploading to facilitate piece uploading.And the centering of the present embodiment
Clamp system is moved relative to jig platform 21 allows the jig platform of the present embodiment for different to position of articulating point
Turntable carries out centering and clamps to improve the applicability of jig platform.
As shown in figure 5, the preceding centering clamp system 22 of the present embodiment includes front body structure 221, is movably arranged at
Two preceding centering structures 222 in front body structure 221 and the drive for driving front body structure 221 to move along jig platform 21
Motivation structure 223.Centering structure 222 can drive positive anti-leading screw to realize centering movement by servo motor before two of them.Driving machine
Structure 223 can drive ball-screw to realize the driving to front body structure 221 using servo motor.
In order to be detected to whether centering clamp system completes centering and prevent that clamping force is excessive and causes to damage to turntable
Bad, the preceding centering clamp system 22 of the present embodiment further includes the pressure sensing part of the medial surface of centering structure 222 before being set to, pressure
Power sensing part is used to incude preceding centering structure 222 to the size of the pressing force of rotating platform of crane, when pressing force reaches setting value
Preceding centering structure stop motion.
As shown in figure 8, the rear centering clamp system 23 of the present embodiment is main after including rear main structure 231 and being symmetrically disposed on
Rear centering structure 232 in body structure 231.
The rear centering clamp system 23 of the present embodiment is located on support portion 24, and support portion 24 is removable relative to jig platform 21
It is arranged dynamicly and is moved with centering clamp system 23 after drive.
Using it is above-mentioned it is preceding to middle clamp system 22 and after middle clamp system 23 is completed to turntable in after also need
The centering of turntable is further finely tuned.As shown in figure 4, the clamp for machining of the present embodiment further includes centering folder before being set to
Laser centring device 28 in tight mechanism 22, laser centring device 28 form rotating platform of crane for issuing lasing area and carry out pair
In benchmark.The lasing area issued using laser centring device 28 measures the preceding hinge inner face of rotating platform of crane as benchmark respectively
With the distance of rear hinge inner face to lasing area, then control that support portion 24 is mobile to be carried out with centering clamp system 23 after driving again
It moves integrally, is finally completed the centering of turntable.
Specifically in the present embodiment, the position of lasing area and preceding centering clamp system 22 is subjected to centering first, then again
The position of rear centering clamp system 23 is finely adjusted so that rear centering clamp system 23 carries out centering with lasing area.
In the unshowned embodiment of other accompanying drawings, first the position of lasing area and rear centering clamp system can also be carried out
Then centering is again finely adjusted the position of preceding centering clamp system so that preceding centering clamp system and lasing area centering.
, can also be on the basis of lasing area in the unshowned embodiment of other accompanying drawings, centering clamping machine before finely tuning respectively
The position of structure and rear centering clamp system carries out centering.
In order to facilitate the upper and lower pieces of turntable, the clamp for machining of the present embodiment further includes the left and right two for being set to jig platform 21
The guide post 27 of side, guide post 27 have inclined guide surface.
The clamp for machining of the present embodiment further includes locating piece 29.When by turntable piece uploading, the notch on turntable bottom plate is worn
To realize that the front-rear direction to turntable carries out coarse positioning on the locating piece 29.
Complete to rotating platform of crane in after also need to compress rotating platform of crane.
The clamp for machining of the present embodiment further includes hold-down mechanism.Hold-down mechanism is used in the height direction by rotating platform of crane
It is pressed on jig platform 21.As shown in figure 4, the hold-down mechanism of the present embodiment includes carrying out for the bottom plate to rotating platform of crane
The bottom plate hold-down mechanism 26 of compression, as shown in fig. 6, the bottom plate hold-down mechanism 26 of the present embodiment includes hold-down head 261, hold-down head
261 are arranged movably in a vertical direction to loosen or compress bottom plate.
The chassis hold-down mechanism 26 of the present embodiment further includes the compression for driving hold-down head 261 to move in the vertical direction
Oil cylinder.It can judge that hold-down head 261 is to the pressing force of bottom plate by the detection of the oil pressure to compressed oil cylinder in compaction process
The no reliable compression enough to guarantee different product turntable bottom plate.
In order to be compressed to bottom plate comprehensively, the hold-down mechanism of the present embodiment include along bottom plate it is circumferentially spaced extremely
Few two bottom plate hold-down mechanisms 26.
Preferably, the hold-down mechanism of the present embodiment includes compressing along circumferentially spaced three of bottom plate or four bottom plates
Mechanism 26.The bottom plate hold-down mechanism 26 of the present embodiment can come according to the actual situation relative to the angle of the center line of jig platform
It adjusts.
In order to facilitate the piece uploading or lower part of rotating platform of crane, the hold-down head 261 of the present embodiment is in the horizontal plane movably
It is arranged close to or far from bottom plate.As shown in figure 4, hold-down head 261 is respectively positioned on outside in turntable non-piece uploading；As shown in figure 3,
Hold-down head 261 is inwards moved to the top on bottom plate and moves down to realize the compression to bottom plate after turntable piece uploading.And
And it is arranged such but also the clamp for machining of the present embodiment is suitable for the different bottom plate positions of different product.
Specifically, as shown in fig. 6, the hold-down mechanism of the present embodiment further includes the track extended in the horizontal plane and for driving
The driving mechanism 263 that dynamic hold-down head 261 is moved along track.
Specifically, the track of the present embodiment is formed by the groove of the medial surface of spaced two track bodies 262.
Specifically in the present embodiment, there is certain angle between the extending direction of track and the front-rear direction of jig platform.
In order to be compressed to turntable comprehensively, as shown in figure 4, the hold-down mechanism of the present embodiment further includes for crane
The rear sealing plate hold-down mechanism 25 that the rear sealing plate of turntable is compressed.As shown in figure 8, the rear sealing plate hold-down mechanism 25 of the present embodiment wraps
Include the pressure arm 251 that can be rotatably set relative to jig platform 21 around vertical axes and be movably disposed along short transverse.
As shown in figure 8, the rear sealing plate hold-down mechanism 25 of the present embodiment is including support column 253 and for controlling 251 edge of pressure arm
The mobile down pressing oil cylinder 252 of short transverse.Pressure arm 251 is sheathed on support column 253, drive of the pressure arm 251 in down pressing oil cylinder 252
Under can be moved up and down along support column 253.And pressure arm 251 is sheathed on support column 253 therefore pressure arm 251 and can turn around vertical axes
It is dynamic.Control pressure arm 251 first turns an angle to turntable side (in Fig. 8 institute when sealing plate hold-down mechanism 25 acts after actuation
When the position shown, 90 ° are rotated) after, move downward pressure arm 251 to realize to turntable
It compresses.Opposite movement can be achieved to loosen turntable.
The rear sealing plate hold-down mechanism 25 of the present embodiment is also disposed on support portion 24, rear sealing plate hold-down mechanism 25 also with
The movement of support portion 24 and move.
Due to turntable center of gravity rearward, when turntable is placed on jig platform 21 turntable be in retroverted state.For
Turntable is leveled, the clamp for machining of the present embodiment further includes lifting body 20, and lifting body 20 is used to turn in crane
The rear side of platform jacks up so that entire rotating platform of crane keeps horizontal.
As shown in fig. 7, the lifting body 20 of the present embodiment includes jacking head 201 and the top for lifting jacking head 201
Rise mechanism 202.After being compressed using above-mentioned hold-down mechanism to turntable, control lifting body 201 will jack head 201 and push up upwards
It rises and is extremely abutted with the notch top edge of oblique sealing plate.
Specifically, as shown in Figure 1, the oblique sealing plate 13 of the present embodiment has square breach, jacking head 201 and the square breach
Top abut.
In order to make the lifting body of the present embodiment be applicable to different product, the jacking head 201 of the present embodiment is relative to folder
Tool platform 21 is movably disposed in the longitudinal direction.Specifically, as shown in fig. 7, lifting body 20 includes being located at lifting body
Matrix below 202 and the driving mechanism 203 for driving matrix mobile.
It should be noted that could alternatively be other various forms of for above each driving mechanism of the present embodiment
Driving method, such as oil cylinder, cylinder, the modes such as motor.
The clamp for machining of the present embodiment further includes control system and couples the operation panel of setting, the behaviour with control system
Make to be provided with operation button on panel, control system receives the operation instruction signal that operation button is sent and believed according to operation instruction
Number control centering clamp system, hold-down mechanism and lifting body auto-action.
There are four operation buttons for setting on the operation panel of the present embodiment.Four operation buttons include key movement, a key
Centering, a key compress and a key unclamps.Staff, which operates this four operation buttons, can make each mechanism of entire clamp for machining
Realize auto-action.Wherein the mobile achievable preceding centering clamp system of a key and rear centering clamp system are automatically moved into specific bit
It sets.One key centering can realize the centering structure of preceding centering clamp system and rear centering clamp system while carry out centering movement.One
Key, which compresses, can be achieved hold-down mechanism and lifting body auto-action.The release of one key can be achieved all mechanisms and be automatically moved to initially
Position.
The control system that Fig. 9 shows the present embodiment compresses operation for a key and carries out automatically to hold-down mechanism and lifting body
The course of work of control.
In rotating platform of crane piece uploading using locating piece 29 as front-rear direction benchmark, using guide post 27 as left and right directions base
Standard simultaneously falls in the gap position of the oblique sealing plate of turntable on lifting body 20.Since rotating platform of crane itself retreats, this
When turntable bottom plate may be able to not be horizontally disposed with, that is to say, that can not be bonded with jig platform.Therefore the bottom plate of the present embodiment
Hold-down mechanism and lifting body need interoperation be just able to achieve reduce to bottom plate damage on the basis of bottom plate is compressed.
The specific method is as follows:
The hold-down head for controlling bottom plate hold-down mechanism first moves inward to setting position and is moved to setting in hold-down head
Compressed oil cylinder movement is controlled behind position so that hold-down head presses to bottom plate.
The oil pressure of compressed oil cylinder detect and when the oil pressure of compressed oil cylinder reaches during hold-down head presses to bottom plate
The jacking head decline of control lifting body causes to compress when to the first oil pressure map value to avoid continuing compressing bottom plate downwards
The top lift of power and jacking head is interfered and is damaged to turntable.
Control compressed oil cylinder acts again and when the oil pressure of compressed oil cylinder reaches the second oil pressure map after jacking head decline
Control jacking head rises after value.
After staff operates key compression button, four hold-down heads of four bottom plate hold-down mechanisms of the present embodiment are equal
Simultaneously to the medial movement of jig platform 21.The clamp for machining of the present embodiment includes being detected for the position to hold-down head
Position detection part, the real time position of hold-down head is sent to control system by position detection part during hold-down head moves inward
Whether system, control system judge hold-down head to setting position.After control system judges hold-down head to setting position, control
System controls the compressed oil cylinder simultaneously operation of each bottom plate hold-down mechanism and is compressed with driving hold-down head to move downward realization, is compressing
It is detected in the process by the oil pressure to compressed oil cylinder with whether pressing force of the interpretation pressing force to bottom plate be enough.If control system
System judges the jacking head decline that lifting body is controlled when the oil pressure of compressed oil cylinder reaches the first oil pressure map value and control system
The dropping distance of jacking head is measured in real time, controls bottom plate hold-down mechanism again after jacking head and dropping to designated position
Compressed oil cylinder acts again and control jacking head rises after the oil pressure of compressed oil cylinder reaches the second oil pressure map value.In jacking head
Sealing plate compresses after being measured in real time during rising to the top lift of jacking head and controlling after top lift reaches setting value
The pressing force of sealing plate hold-down mechanism after mechanism action and simultaneously detection, completes the pressure to turntable after pressing force reaches setting value
Tightly.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (22)
1. a kind of clamp for machining for rotating platform of crane characterized by comprising
Jig platform (21)；With
Two centering clamp systems are respectively arranged at the rear and front end of the jig platform (21) to turn respectively to the crane
Centering clamping is carried out at the preceding hinge Kong Chu of platform (1) and rear hinge hole, the centering clamp system includes main structure and difference
Two centering structures of the left and right sides of the main structure are symmetrically disposed on, described two centering structures are relative to the main body
Structure synchronization counter motion is to clamp the rotating platform of crane.
2. the clamp for machining according to claim 1 for rotating platform of crane, which is characterized in that the centering clamp system
It is movably disposed in the longitudinal direction relative to the jig platform (21).
3. the clamp for machining according to claim 1 for rotating platform of crane, which is characterized in that the centering clamp system
It further include the pressure sensing part for being set to the medial surface of the centering structure, the pressure sensing part is for incuding the centering knot
Structure is to the size of the pressing force of the rotating platform of crane, and when the pressing force reaches setting value, structure stops fortune in described pair
It is dynamic.
4. the clamp for machining according to claim 1 for rotating platform of crane, which is characterized in that the clamp for machining also wraps
Hold-down mechanism is included, the hold-down mechanism is used to the rotating platform of crane being pressed to the jig platform (21).
5. the clamp for machining according to claim 4 for rotating platform of crane, which is characterized in that the hold-down mechanism includes
For the bottom plate hold-down mechanism (26) that the bottom plate to the rotating platform of crane is compressed, the bottom plate hold-down mechanism (26) includes
It is arranged movably in a vertical direction to compress or loosen the hold-down head of the bottom plate (261).
6. the clamp for machining according to claim 5 for rotating platform of crane, which is characterized in that the hold-down mechanism includes
Along the circumferentially spaced at least two bottom plate hold-down mechanisms (26) of the bottom plate.
7. the clamp for machining according to claim 5 for rotating platform of crane, which is characterized in that the hold-down head (261)
It is movably disposed in the horizontal plane close to or far from the bottom plate.
8. the clamp for machining according to claim 4 for rotating platform of crane, which is characterized in that the hold-down mechanism includes
For the rear sealing plate hold-down mechanism (25) that the rear sealing plate to rotating platform of crane is compressed, rear sealing plate hold-down mechanism (25) packet
Include the pressure arm that can be rotatably set around vertical axes and be arranged movably in a vertical direction relative to the jig platform (21)
(251)。
9. the clamp for machining according to claim 8 for rotating platform of crane, which is characterized in that described two centerings clamp
Mechanism includes the rear centering clamp system (23) positioned at rear end, and the clamp for machining further includes being set to the jig platform (21)
The support portion (24) of rear end, the rear centering clamp system (23) and the rear sealing plate hold-down mechanism (25) are all set in the branch
On support part (24), the support portion (24) is movably disposed along the longitudinal direction relative to the jig platform (21).
10. the clamp for machining according to claim 1 for rotating platform of crane, which is characterized in that the clamp for machining is also
Including lifting body (20), the lifting body (20) is used for being supported on rear side of the rotating platform of crane.
11. the clamp for machining according to claim 10 for rotating platform of crane, which is characterized in that the lifting body
It (20) include the jacking head (201) being arranged movably in a vertical direction, the jacking head (201) is used to turn with the crane
It is abutted at the top of notch on the oblique sealing plate of platform.
12. the clamp for machining according to claim 10 for rotating platform of crane, which is characterized in that the jacking head
(201) it is movably disposed in the longitudinal direction relative to the jig platform (21).
13. the clamp for machining according to claim 1 for rotating platform of crane, which is characterized in that the clamp for machining is also
Including laser centring device (28), the laser centring device (28) for issue lasing area with formed the rotating platform of crane into
The benchmark of row centering.
14. the clamp for machining according to claim 13 for rotating platform of crane, which is characterized in that described two centering folders
Tight mechanism includes the preceding centering clamp system (22) positioned at front end, and the laser centring device (28) is set to the preceding centering folder
In tight mechanism (22).
15. the clamp for machining according to claim 1 for rotating platform of crane, which is characterized in that the clamp for machining is also
Guide post (27) including being set to the left and right sides of the jig platform (21), the guide post (27) have oriented
Face.
16. the clamp for machining according to claim 1 for rotating platform of crane, which is characterized in that the clamp for machining is also
Including the rotating platform of crane is pressed on the jig platform (21) hold-down mechanism, for the rotating platform of crane
Lifting body (20), control system and the operation panel that setting is coupled with the control system that rear side is supported, the behaviour
Make to be provided with operation button on panel, the control system receives the operation instruction signal that the operation button is sent and according to institute
Operation instruction signal is stated to control the centering clamp system, the hold-down mechanism and the lifting body auto-action.
17. the dress that a kind of clamp for machining using as described in any one of claims 1 to 16 carries out clamping to rotating platform of crane
Clamping method, which is characterized in that the clamping method includes the following steps:
The centering structure for controlling described two centering clamp systems moves automatically realizes centering.
18. clamping method according to claim 17, which is characterized in that the clamping method further includes in control described two
The centering structure of a centering clamp system moves the lasing area issued after realization centering using laser centring device to preceding right automatically
The position of middle clamp system and a centering clamp system in rear centering clamp system is finely adjusted.
19. clamping method according to claim 18, which is characterized in that the lasing area pair issued using laser centring device
The position of a centering clamp system in preceding centering clamp system and centering clamp system is finely adjusted including first swashing described
The position of smooth surface and the preceding centering clamp system and another centering clamp system in rear centering clamp system carries out centering,
Then the position of a centering clamp system in preceding centering clamp system and rear centering clamp system is finely adjusted again so that
Obtain one centering clamp system and the lasing area centering.
20. clamping method according to claim 19, which is characterized in that the clamp for machining further includes being set to the folder
Has the support portion (24) of platform (21) rear end, the rear centering clamp system (23) is set on the support portion (24), described
Support portion (24) is movably disposed along the longitudinal direction relative to the jig platform (21), to the position of rear centering clamp system
It is finely adjusted mobile to drive the rear centering clamp system (23) mobile including controlling the support portion (24).
21. clamping method according to claim 17, which is characterized in that the clamp for machining further includes bottom plate hold-down mechanism
(26), lifting body (20) and rear sealing plate hold-down mechanism (25), the clamping method further include after realizing automatic centering to institute
It states rotating platform of crane to be compressed, carrying out compression to the rotating platform of crane includes:
The hold-down head (261) for controlling the bottom plate hold-down mechanism (26) moves inward to setting position；
Controlled after the hold-down head (261) is moved to setting position the bottom plate hold-down mechanism (26) compressed oil cylinder movement with
The hold-down head (261) is set to press to bottom plate；
The oil pressure of the compressed oil cylinder detect and when the compression during hold-down head (261) presses to bottom plate
The oil pressure of oil cylinder controls jacking head (201) decline of the lifting body (20) when reaching the first oil pressure map value；
The compressed oil cylinder is controlled after jacking head (201) decline to act again and when the oil pressure of the compressed oil cylinder reaches
The jacking head (201) is controlled when the second oil pressure map value to rise.
22. clamping method according to claim 21, which is characterized in that compressed to the rotating platform of crane and also wrapped
It includes:
The top lift of jacking head (201) is detected during controlling jacking head (201) and rising；
Sealing plate hold-down mechanism acts so that pressure arm carries out rear sealing plate after controlling after the top lift reaches top lift setting value
It compresses；
The detecting to the pressing force of pressure arm during being compressed to rear sealing plate, when the pressing force of the pressure arm reaches
The compression to rotating platform of crane is completed when pressing force setting value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811451641.3A CN109202499B (en) | 2018-11-30 | 2018-11-30 | Machining clamp and clamping method for crane rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811451641.3A CN109202499B (en) | 2018-11-30 | 2018-11-30 | Machining clamp and clamping method for crane rotary table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109202499A true CN109202499A (en) | 2019-01-15 |
| CN109202499B CN109202499B (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811451641.3A Active CN109202499B (en) | 2018-11-30 | 2018-11-30 | Machining clamp and clamping method for crane rotary table |
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| Country | Link |
|---|---|
| CN (1) | CN109202499B (en) |
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| CN110193743A (en) * | 2019-05-09 | 2019-09-03 | 徐州重型机械有限公司 | A kind of alignment positioning device and to boring machine |
| CN110900086A (en) * | 2019-12-21 | 2020-03-24 | 徐州智畅机器人系统有限公司 | Clamping tool for processing head and tail of crane arm |
| CN112828634A (en) * | 2020-12-31 | 2021-05-25 | 山东加法智能科技股份有限公司 | Long-arm-piece-adjustable quick-positioning machine tool fixture and clamping and positioning method |
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| CN110900086B (en) * | 2019-12-21 | 2024-04-12 | 徐州智畅机器人系统有限公司 | Clamping tool for processing head and tail of crane arm |
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|---|---|
| CN109202499B (en) | 2020-02-21 |
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