CN110280940A - A kind of swivel adjustable flexibility tooling and method - Google Patents
A kind of swivel adjustable flexibility tooling and method Download PDFInfo
- Publication number
- CN110280940A CN110280940A CN201910717663.8A CN201910717663A CN110280940A CN 110280940 A CN110280940 A CN 110280940A CN 201910717663 A CN201910717663 A CN 201910717663A CN 110280940 A CN110280940 A CN 110280940A
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- Prior art keywords
- swivel
- vertical plate
- movable vertical
- fixed board
- chassis
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- Pending
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000003414 extremity Anatomy 0.000 description 21
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 1
- -1 rectangular tube Substances 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of swivel adjustable flexibility tooling and methods, it solves the problems, such as that there are positioning accuracies is poor for swivel welding in the prior art, it is high with swivel cutting stock precision, the beneficial effect of reliable welding quality, its scheme is as follows: a kind of swivel adjustable flexibility tooling, including chassis, chassis surface is equipped with slide plate, and slide plate can be realized with respect to chassis and be slided；Fixed board is fixedly installed in chassis, and terminal pad is equipped on the inside of fixed board, and terminal pad can be realized with one end of the main limb of swivel to be welded and be connected；Movable vertical plate, movable vertical plate is fixed on sled surface, and movable vertical plate is oppositely arranged with fixed board, and positioning seat is equipped on the inside of movable vertical plate, and positioning seat can be realized with the other end of the main limb of swivel to be welded and be connected.
Description
Technical field
The present invention relates to derrick crane fields, more particularly to a kind of swivel adjustable flexibility tooling and method.
Background technique
Main component one of of the swivel as derrick crane, welding quality, processing precision direct influence it is entire
Can tower machine upper structure run reliably and with long-term and security performance.It is to solve large-sized structural parts welding matter using robot welding
One very effective approach of amount, but robot welding is faced with a series of problem, as cutting stock precision early period can not be accurate
The problems such as guarantee, spot welding position precision can not accurately control, whole positioning accuracy is lower, to influence swivel welding quality.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of swivel adjustable flexibility toolings, convenient for to be welded
Stablizing for the main limb of swivel is fixed, and positioning accuracy is high, and spot welding position precision is high, so that swivel after the completion of welding be effectively ensured
Quality.
A kind of concrete scheme of swivel adjustable flexibility tooling is as follows:
A kind of swivel adjustable flexibility tooling, comprising:
Chassis, chassis surface are equipped with slide plate, and slide plate can be realized with respect to chassis and be slided；
Fixed board is fixedly installed in chassis, and terminal pad is equipped on the inside of fixed board, and terminal pad can be with rotation to be welded
Realize connection in one end of the main limb of trochanter；
Movable vertical plate, movable vertical plate is fixed on sled surface, and movable vertical plate is oppositely arranged with fixed board, movable vertical plate
Inside is equipped with positioning seat, and positioning seat can be realized with the other end of the main limb of swivel to be welded and be connected.
Above-mentioned swivel adjustable flexibility tooling, by the setting of fixed board and movable vertical plate, movable vertical plate is in slide plate
Drive under can be realized sliding, can according to the determination of the length carry out activity vertical plate position of swivel, and be cooperatively connected disk and
The setting of positioning seat, it is higher to swivel positioning accuracy, the position precision of spot welding has been correspondinglyd increase, ensure that swivel welding
Quality.
Further, the slide plate width is arranged beyond the width of the chassis, and the two sides of slide plate are respectively provided with L-type
Bottom wing listrium, bottom wing listrium horizontal segment upper surface install sliding block, are respectively provided with top flange plate in the two sides of chassis, top flange plate
Lower surface is equipped with the sliding rail cooperated with sliding block, and sliding rail is fixed on chassis, and chassis remains stationary, under external force, promotion activity
Vertical plate, respective slide is mobile relative to sliding rail, so that movable vertical plate is moved to the direction close to or far from fixed board；
The length setting for being shorter in length than the chassis of the sliding rail, the length of sliding block and the length of slide plate are consistent, sliding block
Groove is arranged in middle part, is used to accommodate sliding rail in groove, and shape and the shape of sliding rail are adapted in groove, such slide plate only exists
The part side of chassis carries out opposite sliding, avoids the interference to fixed board.
Further, the setting quantity of the positioning seat is identical as the main limb quantity of swivel to be welded, and positioning seat includes fourth
The deck of font, the side of deck and movable vertical plate are fastenedly connected, and the other side of deck opens that there are two location hole, two location holes
The line at center and the angle of one of location hole horizontal center line axis are 45 °, because the end of the main limb of swivel is equally set
Have an aperture, face where two apertures of the main limb one end of swivel be it is orthogonal, positioning seat deck passes through to two location holes
Restriction, can be realized positioning holes center axis and aperture central axis be arranged in same axis, be convenient for locating shaft to rotation to be welded
The connection of trochanter and positioning seat improves positioning accuracy.
Further, the swivel welder further includes locating shaft, and locating shaft is inserted into determining for the positioning seat
The position hole and main outlimb aperture of swivel to be welded, locating shaft two ends size are less than middle part size, and middle part of locating shaft diameter is less than etc.
In the aperture of location hole.
Further, in order to improve the stability and fastness that fixed board is arranged, the chassis top surface is described solid
Determine that fixed board support is installed on the outside of vertical plate, fixed board support is fixedly connected with fixed board；
Fixed board support includes two, and fixed activity vertical plate branch stays at the two sides on the outside of the fixed board, in order to
The stability of fixed board setting is further increased, and fixed board support is right angle trigonometry form, one of fixed board is straight
Angle side is connect with the chassis, and another right angle side is connect with fixed board.
Further, in order to improve the stability and fastness that movable vertical plate is arranged, the slide plate upper surface is in the work
Movable vertical plate support is installed, movable vertical plate support is fixedly connected with movable vertical plate on the outside of dynamic vertical plate.
Further, the movable vertical plate support includes two, and two movable vertical plate branch stay at outside the movable vertical plate
The two sides of side, and movable vertical plate support is right angle trigonometry form, a right angle side of movable vertical plate is connect with the slide plate, another
Right angle side is connect with movable vertical plate.
Further, the connection panel surface is provided with multiple first fastener holes, and the first bolt is realized across the first fastener hole
Be connected with fixed board, connection panel surface is provided with the second fastener hole, the second bolt by the second fastener hole realize terminal pad with to
Weld the main limb of swivel connection, the main limb of swivel to be welded is fixed by the second bolt in this way, thus further increase to
Weld the positioning accuracy in swivel blanking process.
Further, the structure of the movable vertical plate and fixed board is identical as shape, both for cuboid, cuboid
One side is hollow, and another side is equipped with multiple through-holes, the through-hole side of fixed board with movable the through-hole side of vertical plate is opposite sets
It sets.
A kind of application method of swivel adjustable flexibility tooling, including following content:
Opposite chassis moving slide board, so that mobile activity vertical plate, the setting for swivel to be welded provide space；
It is connect by the terminal pad of fixed board with one end of the main limb of swivel to be welded；
Opposite chassis moving slide board, movable vertical plate is mobile to fixed board side, by the main limb other end of swivel to be welded with
The connection of positioning seat；
To swivel to be welded carry out spot welding, after the completion of welding, hang swivel with hanging device, separate swivel with connect
The connection of disk, positioning seat, swivel is hung out.
Compared with prior art, the beneficial effects of the present invention are:
1) present invention is by integrally-built setting, and convenient for fixing to stablizing for the main limb of swivel to be welded, positioning accuracy is high,
Spot welding position precision is high, so that the quality and service life of swivel after the completion of welding be effectively ensured.
2) present invention passes through the cooperation of sliding rail and sliding block, can effectively drive slide plate to realize relative to chassis and slide, thus
The distance between realization activity vertical plate and fixed board are adjustable, are easily installed swivel to be welded, also facilitate soldered rotation
Trochanter is hung out.
3) present invention is by the setting of positioning seat and positioning disk, not only can the main limb effectively to swivel to be welded carry out it is steady
It is fixed fixed, and can guarantee the precision of swivel blanking to be welded, the subsequent spot welding precision of effective guarantee.
4) present invention is by the setting of positioning seat location hole, convenient for being aligned for positioning seat and the main limb aperture of swivel to be welded,
It is convenient to pass through rotary shaft stationary positioned seat and the main limb of swivel to be welded, the blanking of the main limb of swivel to be welded is not only facilitated, but also
The dismounting work after the completion of subsequent welding is facilitated to carry out.
Detailed description of the invention
The Figure of description for constituting a part of the invention is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.
Fig. 1 is the main view of swivel adjustable flexibility tooling in the embodiment of the present invention；
Fig. 2 is the top view of swivel adjustable flexibility tooling in the embodiment of the present invention；
Fig. 3 is the schematic diagram of movable vertical plate or fixed board in the embodiment of the present invention；
Fig. 4 is the top view of chassis in the embodiment of the present invention；
Fig. 5 (a) is the side sectional view of positioning disk in the embodiment of the present invention；
Fig. 5 (b) is the front view of positioning disk in the embodiment of the present invention；
Fig. 6 is chassis schematic diagram in the embodiment of the present invention；
Fig. 7 is chassis part-structure enlarged drawing in the embodiment of the present invention；
In figure: 1. chassis, six square bolts in 2., 3. sliding blocks, 4. sliding rails, 5. slide plates, 6. bolts, 7. movable vertical plates supports,
8. movable vertical plate, 9. positioning seats, 10. swivels to be welded, 11. positioning disks, 12. fixed boards, the support of 13. fixed boards, 14. is fixed
Position axis, 15. first bolts, 16. second bolts, 17. through-holes, 18. stiffener plates, 19. first fastener holes, 20. second fastener holes,
21. threaded hole, 22. location holes, 23. bottom wing listriums, 24. top flange plates.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the present invention.Unless another
It indicates, all technical and scientific terms used herein has usual with general technical staff of the technical field of the invention
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, the deficiencies in the prior art, in order to solve technical problem as above, this hair
Bright to propose a kind of swivel adjustable flexibility tooling, with reference to the accompanying drawings of the specification, the present invention is further elaborated.
In a kind of typical embodiment of the invention, as shown in Figure 1, a kind of swivel adjustable flexibility tooling, including bottom
Fixed board 12 is fixedly installed in frame 1, the side of chassis 1, the slidably setting activity vertical plate of the opposite relative to fixed board 12
8, the fixation to swivel to be welded is realized by movable vertical plate 8 and fixed board 12.
As shown in figure 4, chassis 1 is the truss structure as made of H steel, rectangular tube, steel plate butt welding (specifically without limitation), bottom
The upper surface of frame 1 is horizontal plane, and slide plate 5 is arranged in 1 upper surface of chassis, and slide plate 5 can be an entire plate or slide plate 5 is to engrave
Hollow structure, shape is close with 1 upper surface shape of chassis, and convenient for the promotion of movable vertical plate, the width of slide plate 5 is greater than the width of chassis 1
Degree, as shown in Figure 6 and Figure 7, and the two sides of slide plate 5 are respectively provided with the bottom wing listrium 23 of L-type, the vertical section and cunning of bottom wing listrium 23
5 end of plate is connected, and sliding block 3 is installed in 23 horizontal segment upper surface of bottom wing listrium, is respectively provided with top flange plate 24 in the two sides of chassis 1,
The lower surface of top flange plate 24 is equipped with the sliding rail 4 cooperated with sliding block 3, and sliding rail 4 is fixed on 1 upper limb of chassis by interior six square bolt 2
Listrium 24, interior six square bolt 2 cooperate with the threaded hole 21 for being set to chassis 1, and 3 one side of sliding block and sliding rail 4 cooperate, and another side passes through spiral shell
Bolt is fixed on the bottom wing listrium of slide plate 5, and the two sides of chassis 1 are symmetrical arranged sliding rail 4 and sliding block 3.
5 upper surface of slide plate is fastened with movable vertical plate support 7, movable vertical plate 8 respectively by hinged bolts 6, movable vertical plate 8
Length direction be vertically arranged with sliding rail 4, is equally fixed by bolt between movable vertical plate support 7 and movable vertical plate 8,
The inside of movable vertical plate 8 is arranged positioning seat 9, and positioning seat 9 is fixed by bolts in the surface of movable vertical plate 8, and positioning seat 9 according to
The position of the main limb of swivel is configured, and the positioning seat 9 at left and right sides of same horizontal line is oppositely arranged, and passes through promotion activity in this way
Vertical plate 8 drives swivel to be moved forward and backward on sliding rail 4.
It should be noted that positioning seat 9 includes T-shaped deck, the side of deck is fastenedly connected with movable vertical plate 8, blocks
The other side of seat is opened there are two location hole 22, the line at two 22 centers of location hole and one of 22 horizontal middle spindle of location hole
The angle of line is 45 °, because the main outlimb of swivel is equipped with aperture, in this way in the main limb of fixation, passes through master by locating shaft 14
The aperture in shaft end portion and the location hole 2 of deck, can be realized the fixation of main limb Yu positioning seat 9.
Fixed board 12, fixed board 12 and fixed board are installed in the other side relative to movable vertical plate 8 by chassis 1
13 connection of support, fixed board support 13 and fixed board 12 are fixed on chassis each by bolt.Terminal pad 11 passes through first
Bolt 15 is fixed on the medial surface of fixed board 12, is oppositely arranged with movable vertical plate 8, and terminal pad 11 is disk, Fig. 5 (a) and Fig. 5
(b) shown in, 11 surface of terminal pad is provided with multiple first fastener holes 19, passes through the first fastener hole 19 for the first bolt 15 and fixes
Vertical plate 12 is connected, and 11 surface of terminal pad is also provided with multiple second fastener holes 20, for the second bolt 16 to be arranged, realizes the second spiral shell
The connection of bolt 16 and the main limb of swivel 10 to be welded.
Wherein, fixed board 12 and movable structure, the shape of vertical plate 8 are close or identical, both for cuboid, such as Fig. 3
Shown, one side is hollow, and the side of another side and fixed board and movable vertical plate is equipped with multiple through-holes 17, is convenient for terminal pad 11
Or the installation of positioning seat 9, meanwhile, the quality of fixed board 12 and movable vertical plate 8 is also reduced, convenient for the shifting to movable vertical plate 8
It is dynamic, and stiffener plate 18 is set on the inside of fixed board 12 and movable vertical plate 8, to avoid 8 through-hole of fixed board 12 and movable vertical plate
The deformation of side.
A kind of application method of swivel adjustable flexibility tooling, including following content:
Opposite 1 moving slide board 5 of chassis, so that mobile activity vertical plate 8, the setting for swivel to be welded provide space；
It is connect by the terminal pad 11 of fixed board 12 with one end of the main limb of swivel 10 to be welded by the second bolt 16；
Opposite chassis 1 moves backward slide plate 5, and movable vertical plate 8 is mobile to 12 side of fixed board, will be to be welded by locating shaft 14
The main limb other end of swivel is connect with positioning seat 9；
Spot welding is carried out to swivel to be welded, after the completion of welding, with hanging device as driving or other lifting machines hang rotation
Trochanter removes locating shaft 14, to the side promotion activity vertical plate 8 far from fixed board 12, and removes the second bolt 16, will rotate
Section is hung out.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of swivel adjustable flexibility tooling characterized by comprising
Chassis, chassis surface are equipped with slide plate, and slide plate can be realized with respect to chassis and be slided；
Fixed board is fixedly installed in chassis, and terminal pad is equipped on the inside of fixed board, and terminal pad can be with swivel to be welded
Realize connection in one end of main limb；
Movable vertical plate, movable vertical plate is fixed on sled surface, and movable vertical plate is oppositely arranged with fixed board, on the inside of movable vertical plate
Equipped with positioning seat, positioning seat can be realized with the other end of the main limb of swivel to be welded and be connected.
2. a kind of swivel adjustable flexibility tooling according to claim 1, which is characterized in that the slide plate width exceeds institute
The width setting of chassis is stated, and the two sides of slide plate are respectively provided with the bottom wing listrium of L-type, the installation of bottom wing listrium horizontal segment upper surface is slided
Block is respectively provided with top flange plate in the two sides of chassis, and the lower surface of top flange plate is equipped with the sliding rail cooperated with sliding block；
The length setting for being shorter in length than the chassis of the sliding rail.
3. a kind of swivel adjustable flexibility tooling according to claim 1, which is characterized in that the setting number of the positioning seat
Amount is identical as the main limb quantity of swivel to be welded, and positioning seat includes T-shaped deck, and the side of deck and movable vertical plate fasten
Connection, the other side of deck are opened there are two location hole, the line of two positioning holes centers and one of location hole horizontal centre
The angle of axis is 45 °.
4. a kind of swivel adjustable flexibility tooling according to claim 1, which is characterized in that the chassis top surface is in institute
It states and fixed board support is installed on the outside of fixed board, fixed board support is fixedly connected with fixed board；
Fixed board support includes two, and fixed activity vertical plate branch stays at the two sides on the outside of the fixed board, and fixed vertical
Plate support is right angle trigonometry form, and a right angle side of fixed board is connect with the chassis, another right angle side and fixed board
Connection.
5. a kind of swivel adjustable flexibility tooling according to claim 1, which is characterized in that the slide plate upper surface is in institute
It states and movable vertical plate support is installed on the outside of movable vertical plate, movable vertical plate support is fixedly connected with movable vertical plate.
6. a kind of swivel adjustable flexibility tooling according to claim 5, which is characterized in that the activity vertical plate support packet
Two are included, two movable vertical plate branch stay at the two sides on the outside of the movable vertical plate, and movable vertical plate support is right angled triangle
One right angle side of formula, movable vertical plate is connect with the slide plate, and another right angle side is connect with movable vertical plate.
7. a kind of swivel adjustable flexibility tooling according to claim 3, which is characterized in that it further include locating shaft, positioning
Axis is inserted into location hole and the main outlimb aperture of swivel to be welded of the positioning seat.
8. a kind of swivel adjustable flexibility tooling according to claim 1, which is characterized in that the connection panel surface is provided with
Multiple first fastener holes, the first bolt pass through the realization of the first fastener hole and are connected with fixed board, and it is tight that connection panel surface is provided with second
Solid hole, the second bolt realize the connection of terminal pad and the main limb of swivel to be welded by the second fastener hole.
9. a kind of swivel adjustable flexibility tooling according to claim 1, which is characterized in that the activity vertical plate and fixation
The structure of vertical plate is identical as shape, and both for cuboid, cuboid one side is hollow, and another side is equipped with multiple through-holes, Gu
The through-hole side of the through-hole side and movable vertical plate of determining vertical plate is oppositely arranged.
10. a kind of application method of swivel adjustable flexibility tooling according to claim 1 to 9, feature exist
In, including following content:
Opposite chassis moving slide board, so that mobile activity vertical plate, the setting for swivel to be welded provide space；
It is connect by the terminal pad of fixed board with one end of the main limb of swivel to be welded；
Opposite chassis moving slide board, movable vertical plate is mobile to fixed board side, by the main limb other end of swivel to be welded and positioning
The connection of seat；
Spot welding is carried out to swivel to be welded, after the completion of welding, hangs swivel with hanging device, separate swivel and terminal pad,
The connection of positioning seat, swivel is hung out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910717663.8A CN110280940A (en) | 2019-08-05 | 2019-08-05 | A kind of swivel adjustable flexibility tooling and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910717663.8A CN110280940A (en) | 2019-08-05 | 2019-08-05 | A kind of swivel adjustable flexibility tooling and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110280940A true CN110280940A (en) | 2019-09-27 |
Family
ID=68024962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910717663.8A Pending CN110280940A (en) | 2019-08-05 | 2019-08-05 | A kind of swivel adjustable flexibility tooling and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110280940A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110789845A (en) * | 2019-11-13 | 2020-02-14 | 中国航发动力股份有限公司 | Spacing protection frock of installation section |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202763362U (en) * | 2012-09-24 | 2013-03-06 | 中联重科股份有限公司 | Welding positioning device |
| CN203304825U (en) * | 2013-05-15 | 2013-11-27 | 山东大汉建设机械有限公司 | Universal assembling and welding tool |
| CN105834607A (en) * | 2016-05-16 | 2016-08-10 | 天津市奥联特钢结构安装工程有限公司 | Heavy type tower crane section assembling table and assembling method |
| CN208363118U (en) * | 2018-05-23 | 2019-01-11 | 厦门昊恒工贸有限公司 | Node is installed in beam stake for assembled ground |
| CN210587759U (en) * | 2019-08-05 | 2020-05-22 | 大汉科技股份有限公司 | Adjustable flexible frock of swivel joint |
-
2019
- 2019-08-05 CN CN201910717663.8A patent/CN110280940A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202763362U (en) * | 2012-09-24 | 2013-03-06 | 中联重科股份有限公司 | Welding positioning device |
| CN203304825U (en) * | 2013-05-15 | 2013-11-27 | 山东大汉建设机械有限公司 | Universal assembling and welding tool |
| CN105834607A (en) * | 2016-05-16 | 2016-08-10 | 天津市奥联特钢结构安装工程有限公司 | Heavy type tower crane section assembling table and assembling method |
| CN208363118U (en) * | 2018-05-23 | 2019-01-11 | 厦门昊恒工贸有限公司 | Node is installed in beam stake for assembled ground |
| CN210587759U (en) * | 2019-08-05 | 2020-05-22 | 大汉科技股份有限公司 | Adjustable flexible frock of swivel joint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110789845A (en) * | 2019-11-13 | 2020-02-14 | 中国航发动力股份有限公司 | Spacing protection frock of installation section |
| CN110789845B (en) * | 2019-11-13 | 2021-06-22 | 中国航发动力股份有限公司 | Spacing protection frock of installation section |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190927 |
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| RJ01 | Rejection of invention patent application after publication |