CN108942031A - Hydraulic jack apical canaliculus components welding tooling - Google Patents
Hydraulic jack apical canaliculus components welding tooling Download PDFInfo
- Publication number
- CN108942031A CN108942031A CN201810696733.1A CN201810696733A CN108942031A CN 108942031 A CN108942031 A CN 108942031A CN 201810696733 A CN201810696733 A CN 201810696733A CN 108942031 A CN108942031 A CN 108942031A
- Authority
- CN
- China
- Prior art keywords
- tool disk
- hole
- rectangle joint
- long stripes
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 23
- 239000007787 solid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 210000005239 tubule Anatomy 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 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
- 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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Abstract
Hydraulic jack apical canaliculus components welding tooling, including motor, the rotation axis being vertically arranged, the clamp system for being used to clamp rectangle joint to be welded that the tool disk of side on the rotating shaft is arranged and is arranged in tool disk, the rotation axis lower part is connected with the output shaft of motor, top is fixedly connected with tool disk, the clamp system includes two and holds down assembly and two adjustment components, described two hold down assembly is separately positioned at the adjacent two side walls of rectangle joint, and two adjustment components are separately positioned on other two side-walls of rectangle joint.The present invention realizes automation rotation rectangle joint and tubule, so that rotation speed is more uniform and stablizes, weld seam is continuous when welding the later period, and clamp system is adjustable, to be suitable for rectangle joint of different specifications and sizes, the scope of application is wider.
Description
Technical field
The present invention relates to hydraulic jack manufacturing technology field more particularly to hydraulic jack apical canaliculus components welding works
Dress.
Background technique
In hydraulic jack production process, diameter is that the pipe between 20 millimeters to 30 millimeters is known as tubule, and tubule is welded
It connects on rectangle joint, is always a technological difficulties in hydraulic jack production.Current welding is by worker's craft
It carries out, worker takes tubule to rotate on the other hand, another hand holds welding gun, rotates tubule on one side, welds on one side, rotation speed is also difficult
To control, weld seam cannot be continuous.And if rectangle joint volume is larger, worker is held and rotation is all extremely difficult, causes to give birth to
Produce low efficiency, poor welding quality.
Summary of the invention
In order to solve the above-mentioned technical problem, the object of the present invention is to provide hydraulic jack apical canaliculus components welding toolings, certainly
Dynamicization rotates rectangle joint and tubule, so that rotation speed is more uniform and stablizes, weld seam is continuous when welding the later period, folder
Tight mechanism is adjustable, to be suitable for rectangle joint of different specifications and sizes, the scope of application is wider.
The technical scheme adopted by the invention is that: hydraulic jack apical canaliculus components welding tooling, including motor, be vertically arranged
Rotation axis, setting on the rotating shaft square tool disk and be arranged in tool disk for clamping the folder of rectangle joint to be welded
Tight mechanism, the rotation axis lower part are connected with the output shaft of motor, and top is fixedly connected with tool disk, the clamp system packet
It includes two and holds down assembly and be separately positioned on the adjacent two side walls of rectangle joint with two adjustment components, described two hold down assembly
Place, two adjustment components are separately positioned on other two side-walls of rectangle joint, described to hold down assembly including fixed plate, compress spiral shell
Bar and the pressure plate being arranged between fixed plate and rectangle joint, the fixed plate is fixedly connected with tool disk, in fixed plate
It is provided with the tapped through hole matched with clamping screw, clamping screw is fixed after passing through the tapped through hole in fixed plate with pressure plate
Connection, the adjustment component include vertical plate, level board and adjust bolt, and the vertical plate is supported and is attached on rectangle joint, vertically
The bottom of plate is vertical with level board to be fixedly connected, and long stripes through hole, the length side of long stripes through hole are provided on the level board
It is arranged to along vertical plate to rectangle joint direction, the width of long stripes through hole is less than the diameter for adjusting the head of bolt, adjusts spiral shell
The diameter of the bar portion of bolt is less than the width of long stripes through hole, is provided in the tool disk corresponding with long stripes through hole recessed
The lower section of long stripes through hole is arranged in slot, groove, and the bar portion for adjusting bolt is pressed on the bottom wall of groove after long stripes through hole
On.
The tool disk is horizontally disposed.
The fixed plate is vertical with tool disk to be fixedly connected.
The vertical plate and level board are integrally formed.
The rotation axis is vertical with tool disk to be fixedly connected.
Compared with prior art, the invention has the following advantages: that the object of the present invention is to provide hydraulic jacks is small
Tube assembly welding tooling, automation rotation rectangle joint and tubule weld the later period so that rotation speed is more uniform and stablizes
When weld seam can be continuous, clamp system is adjustable, thus be suitable for rectangle joint of different specifications and sizes, the scope of application is more
Extensively.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the overlooking structure diagram that clamp system is matched with rectangle joint.
Specific embodiment
It elaborates in the following with reference to the drawings and specific embodiments to the present invention.
Embodiment 1
As shown in Figure 1 to Figure 2, hydraulic jack apical canaliculus components welding tooling including motor 1, the rotation axis being vertically arranged 4, is set
The clamp system for being used to clamp rectangle joint 5 to be welded setting the tool disk 6 above rotation axis 4 and being arranged in tool disk 6,
4 lower part of rotation axis is connected with the output shaft of motor 1, and top is fixedly connected with tool disk 6, after motor 1 starts, rotation axis
4 drive tool disk 6 to rotate.
Tubule 7 is arranged with above rectangle joint 5.
The clamp system includes two hold down assembly 2 and two adjustment components 3.
Described two hold down assembly 2 is separately positioned at the adjacent two side walls of rectangle joint 5, and two adjustment components 3 divide
It She Zhi not be in other two side-walls of rectangle joint 5.
It is described hold down assembly 2 include fixed plate 201, clamping screw 202 and be arranged in fixed plate 201 and rectangle joint 5
Between pressure plate 203, the fixed plate 201 is fixedly connected with tool disk 6, is provided in fixed plate 201 and clamping screw 202
The tapped through hole matched, clamping screw 202 are fixedly connected with pressure plate 203 after passing through the tapped through hole in fixed plate 201, lead to
Crossing rotation clamping screw 202 drives pressure plate 203 mobile, and pressure plate 203 is made to be tightly pressed against the side wall of corresponding rectangle joint 5
On.
The adjustment component 3 includes vertical plate 301, level board 302 and adjusts bolt 303, and the vertical plate 301 is supported and is attached to
On rectangle joint 5, the bottom of vertical plate 301 is vertical with level board 302 to be fixedly connected, and is provided with strip on the level board 302
The length direction of shape through-hole 304, long stripes through hole 304 is arranged along vertical plate 301 to 5 direction of rectangle joint, long stripes through hole 304
Width be less than the diameter for adjusting the head of bolt 303, the diameter for adjusting the bar portion of bolt 303 is less than long stripes through hole 304
Width is provided with groove corresponding with long stripes through hole 304 in the tool disk 6, and long stripes through hole 304 is arranged in groove
Lower section, the bar portion for adjusting bolt 303 are pressed on the bottom wall of groove after long stripes through hole 304.
Two hold down assembly 2 and two adjustment components 3 rectangle joint 5 is gripped, make rectangle joint 5 with tool disk 6
Rotation and rotate.Adjusting bolt 303 can move along 304 length direction of long stripes through hole, level board 302 and vertical plate 301 with
The relative position of tool disk 6 can change, so that clamp system adapts to the rectangle joint 5 of different size.
When using the present invention, welding gun is fixed between rectangle joint 5 and tubule 7, due to rectangle joint 5 and tubule 7 one
With rotation, welding gun welds together rectangle joint 5 and tubule 7.
The tool disk 6 is horizontally disposed, is maintained at 6 center of tool disk in rotary course and stablizes.
The fixed plate 201 is vertical with tool disk 6 to be fixedly connected.
The vertical plate 301 is integrally formed with level board 302, more durable.
The rotation axis 4 is vertical with tool disk 6 to be fixedly connected, stable structure.
Embodiment 2
As shown in Figure 1 to Figure 2, hydraulic jack apical canaliculus components welding tooling including motor 1, the rotation axis being vertically arranged 4, is set
The clamp system for being used to clamp rectangle joint 5 to be welded setting the tool disk 6 above rotation axis 4 and being arranged in tool disk 6,
4 lower part of rotation axis is connected with the output shaft of motor 1, and top is fixedly connected with tool disk 6, after motor 1 starts, rotation axis
4 drive tool disk 6 to rotate.
Tubule 7 is arranged with above rectangle joint 5.
The clamp system includes two hold down assembly 2 and two adjustment components 3.
Described two hold down assembly 2 is separately positioned at the adjacent two side walls of rectangle joint 5, and two adjustment components 3 divide
It She Zhi not be in other two side-walls of rectangle joint 5.
It is described hold down assembly 2 include fixed plate 201, clamping screw 202 and be arranged in fixed plate 201 and rectangle joint 5
Between pressure plate 203, the fixed plate 201 is fixedly connected with tool disk 6, is provided in fixed plate 201 and clamping screw 202
The tapped through hole matched, clamping screw 202 are fixedly connected with pressure plate 203 after passing through the tapped through hole in fixed plate 201, lead to
Crossing rotation clamping screw 202 drives pressure plate 203 mobile, and pressure plate 203 is made to be tightly pressed against the side wall of corresponding rectangle joint 5
On.
The adjustment component 3 includes vertical plate 301, level board 302 and adjusts bolt 303, and the vertical plate 301 is supported and is attached to
On rectangle joint 5, the bottom of vertical plate 301 is vertical with level board 302 to be fixedly connected, and is provided with strip on the level board 302
The length direction of shape through-hole 304, long stripes through hole 304 is arranged along vertical plate 301 to 5 direction of rectangle joint, long stripes through hole 304
Width be less than the diameter for adjusting the head of bolt 303, the diameter for adjusting the bar portion of bolt 303 is less than long stripes through hole 304
Width is provided with groove corresponding with long stripes through hole 304 in the tool disk 6, and long stripes through hole 304 is arranged in groove
Lower section, the bar portion for adjusting bolt 303 are pressed on the bottom wall of groove after long stripes through hole 304.
Two hold down assembly 2 and two adjustment components 3 rectangle joint 5 is gripped, make rectangle joint 5 with tool disk 6
Rotation and rotate.Adjusting bolt 303 can move along 304 length direction of long stripes through hole, level board 302 and vertical plate 301 with
The relative position of tool disk 6 can change, so that clamp system adapts to the rectangle joint 5 of different size.
The tool disk 6 is horizontally disposed, is maintained at 6 center of tool disk in rotary course and stablizes.
The fixed plate 201 is vertical with tool disk 6 to be fixedly connected.
The vertical plate 301 is integrally formed with level board 302, more durable.
The rotation axis 4 is vertical with tool disk 6 to be fixedly connected, stable structure.
The tool disk 6 is rounded.
Embodiment 3
As shown in Figure 1 to Figure 2, hydraulic jack apical canaliculus components welding tooling including motor 1, the rotation axis being vertically arranged 4, is set
The clamp system for being used to clamp rectangle joint 5 to be welded setting the tool disk 6 above rotation axis 4 and being arranged in tool disk 6,
4 lower part of rotation axis is connected with the output shaft of motor 1, and top is fixedly connected with tool disk 6, after motor 1 starts, rotation axis
4 drive tool disk 6 to rotate.
Tubule 7 is arranged with above rectangle joint 5.
The clamp system includes two hold down assembly 2 and two adjustment components 3.
Described two hold down assembly 2 is separately positioned at the adjacent two side walls of rectangle joint 5, and two adjustment components 3 divide
It She Zhi not be in other two side-walls of rectangle joint 5.
It is described hold down assembly 2 include fixed plate 201, clamping screw 202 and be arranged in fixed plate 201 and rectangle joint 5
Between pressure plate 203, the fixed plate 201 is fixedly connected with tool disk 6, is provided in fixed plate 201 and clamping screw 202
The tapped through hole matched, clamping screw 202 are fixedly connected with pressure plate 203 after passing through the tapped through hole in fixed plate 201, lead to
Crossing rotation clamping screw 202 drives pressure plate 203 mobile, and pressure plate 203 is made to be tightly pressed against the side wall of corresponding rectangle joint 5
On.
The adjustment component 3 includes vertical plate 301, level board 302 and adjusts bolt 303, and the vertical plate 301 is supported and is attached to
On rectangle joint 5, the bottom of vertical plate 301 is vertical with level board 302 to be fixedly connected, and is provided with strip on the level board 302
The length direction of shape through-hole 304, long stripes through hole 304 is arranged along vertical plate 301 to 5 direction of rectangle joint, long stripes through hole 304
Width be less than the diameter for adjusting the head of bolt 303, the diameter for adjusting the bar portion of bolt 303 is less than long stripes through hole 304
Width is provided with groove corresponding with long stripes through hole 304 in the tool disk 6, and long stripes through hole 304 is arranged in groove
Lower section, the bar portion for adjusting bolt 303 are pressed on the bottom wall of groove after long stripes through hole 304.
Two hold down assembly 2 and two adjustment components 3 rectangle joint 5 is gripped, make rectangle joint 5 with tool disk 6
Rotation and rotate.Adjusting bolt 303 can move along 304 length direction of long stripes through hole, level board 302 and vertical plate 301 with
The relative position of tool disk 6 can change, so that clamp system adapts to the rectangle joint 5 of different size.
The tool disk 6 is horizontally disposed, is maintained at 6 center of tool disk in rotary course and stablizes.
The fixed plate 201 is vertical with tool disk 6 to be fixedly connected.The fixed plate 201 is in rectangle.
The vertical plate 301 is integrally formed with level board 302, more durable.
The rotation axis 4 is vertical with tool disk 6 to be fixedly connected, stable structure.
Embodiment 4
As shown in Figure 1 to Figure 2, hydraulic jack apical canaliculus components welding tooling including motor 1, the rotation axis being vertically arranged 4, is set
The clamp system for being used to clamp rectangle joint 5 to be welded setting the tool disk 6 above rotation axis 4 and being arranged in tool disk 6,
4 lower part of rotation axis is connected with the output shaft of motor 1, and top is fixedly connected with tool disk 6, after motor 1 starts, rotation axis
4 drive tool disk 6 to rotate.
Tubule 7 is arranged with above rectangle joint 5.
The clamp system includes two hold down assembly 2 and two adjustment components 3.
Described two hold down assembly 2 is separately positioned at the adjacent two side walls of rectangle joint 5, and two adjustment components 3 divide
It She Zhi not be in other two side-walls of rectangle joint 5.
It is described hold down assembly 2 include fixed plate 201, clamping screw 202 and be arranged in fixed plate 201 and rectangle joint 5
Between pressure plate 203, the fixed plate 201 is fixedly connected with tool disk 6, is provided in fixed plate 201 and clamping screw 202
The tapped through hole matched, clamping screw 202 are fixedly connected with pressure plate 203 after passing through the tapped through hole in fixed plate 201, lead to
Crossing rotation clamping screw 202 drives pressure plate 203 mobile, and pressure plate 203 is made to be tightly pressed against the side wall of corresponding rectangle joint 5
On.
The adjustment component 3 includes vertical plate 301, level board 302 and adjusts bolt 303, and the vertical plate 301 is supported and is attached to
On rectangle joint 5, the bottom of vertical plate 301 is vertical with level board 302 to be fixedly connected, and is provided with strip on the level board 302
The length direction of shape through-hole 304, long stripes through hole 304 is arranged along vertical plate 301 to 5 direction of rectangle joint, long stripes through hole 304
Width be less than the diameter for adjusting the head of bolt 303, the diameter for adjusting the bar portion of bolt 303 is less than long stripes through hole 304
Width is provided with groove corresponding with long stripes through hole 304 in the tool disk 6, and long stripes through hole 304 is arranged in groove
Lower section, the bar portion for adjusting bolt 303 are pressed on the bottom wall of groove after long stripes through hole 304.
Two hold down assembly 2 and two adjustment components 3 rectangle joint 5 is gripped, make rectangle joint 5 with tool disk 6
Rotation and rotate.Adjusting bolt 303 can move along 304 length direction of long stripes through hole, level board 302 and vertical plate 301 with
The relative position of tool disk 6 can change, so that clamp system adapts to the rectangle joint 5 of different size.
The tool disk 6 is horizontally disposed, is maintained at 6 center of tool disk in rotary course and stablizes.The tool disk 6 is in
It is round.
The fixed plate 201 is vertical with tool disk 6 to be fixedly connected.The fixed plate 201 is in rectangle.
The vertical plate 301 is integrally formed with level board 302, more durable.
The rotation axis 4 is vertical with tool disk 6 to be fixedly connected, stable structure.
Above-described embodiment based on the technical solution of the present invention, gives detailed embodiment and specifically operated
Journey, but protection scope of the present invention is not limited to the above embodiments.
Claims (5)
1. hydraulic jack apical canaliculus components welding tooling, it is characterised in that: including motor (1), the rotation axis (4) being vertically arranged,
The tool disk (6) being arranged above rotation axis (4) and setting are used to clamp rectangle joint to be welded (5) on tool disk (6)
Clamp system, rotation axis (4) lower part is connected with the output shaft of motor (1), and top is fixedly connected with tool disk (6),
The clamp system holds down assembly (2) including two and two adjustment components (3), described two hold down assembly (2) are respectively set
At the adjacent two side walls of rectangle joint (5), two adjustment components (3) are separately positioned on rectangle joint (5) other two side
At wall, hold down assembly (2) include fixed plate (201), clamping screw (202) and are arranged in fixed plate (201) and rectangle
Pressure plate (203) between connector (5), the fixed plate (201) are fixedly connected with tool disk (6), and fixed plate is arranged on (201)
After thering is the tapped through hole matched with clamping screw (202), clamping screw (202) to pass through the tapped through hole on fixed plate (201)
It is fixedly connected with pressure plate (203), the adjustment component (3) includes vertical plate (301), level board (302) and adjusting bolt
(303), the vertical plate (301) is supported and is attached on rectangle joint (5), and the bottom of vertical plate (301) is vertical with level board (302) solid
It is fixed to connect, it is provided with long stripes through hole (304) on the level board (302), the length direction of long stripes through hole (304) is along vertical
Plate (301) is arranged to rectangle joint (5) direction, and the width of long stripes through hole (304) is less than the straight of the head for adjusting bolt (303)
Diameter, the diameter for adjusting the bar portion of bolt (303) are less than the width of long stripes through hole (304), be provided on the tool disk (6) with
The corresponding groove of long stripes through hole (304), groove setting adjust the bar of bolt (303) in the lower section of long stripes through hole (304)
Portion is pressed on the bottom wall of groove after passing through long stripes through hole (304).
2. hydraulic jack apical canaliculus components welding tooling as described in claim 1, it is characterised in that: tool disk (6) water
Flat setting.
3. hydraulic jack apical canaliculus components welding tooling as described in claim 1, it is characterised in that: the fixed plate (201)
It is vertical with tool disk (6) to be fixedly connected.
4. hydraulic jack apical canaliculus components welding tooling as described in claim 1, it is characterised in that: the vertical plate (301)
It is integrally formed with level board (302).
5. hydraulic jack apical canaliculus components welding tooling as described in claim 1, it is characterised in that: the rotation axis (4) with
Tool disk (6) is vertically fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810696733.1A CN108942031A (en) | 2018-06-29 | 2018-06-29 | Hydraulic jack apical canaliculus components welding tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810696733.1A CN108942031A (en) | 2018-06-29 | 2018-06-29 | Hydraulic jack apical canaliculus components welding tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108942031A true CN108942031A (en) | 2018-12-07 |
Family
ID=64484167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810696733.1A Pending CN108942031A (en) | 2018-06-29 | 2018-06-29 | Hydraulic jack apical canaliculus components welding tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108942031A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006125131A (en) * | 2004-11-01 | 2006-05-18 | Hiroshi Takatori | Device for assembling joints |
| CN102941429A (en) * | 2012-12-04 | 2013-02-27 | 珠海格力电器股份有限公司 | Welding positioning device |
| CN104551543A (en) * | 2013-10-29 | 2015-04-29 | 中国电子科技集团公司第十八研究所 | Manufacture method of centrifugal acceleration testing device of thermal battery |
| CN206717331U (en) * | 2017-03-24 | 2017-12-08 | 毛森 | A kind of weld jig |
| CN107442997A (en) * | 2017-09-15 | 2017-12-08 | 哈尔滨工程大学 | A kind of small-sized hand-operated clamping lifting turning operation platform |
| CN206871800U (en) * | 2017-05-18 | 2018-01-12 | 李晓旭 | A kind of adjustable for height wire wound bracket for earch wrie storing unit |
| CN206883199U (en) * | 2017-07-05 | 2018-01-16 | 大连誉程精密机械有限公司 | A kind of valve body lathe process clamping tooling |
| CN108067802A (en) * | 2016-11-18 | 2018-05-25 | 凤城市润桥机械制造有限公司 | A kind of booster valve plate welding tooling combination |
| CN208483427U (en) * | 2018-06-29 | 2019-02-12 | 平顶山平煤机煤矿机械装备有限公司 | Hydraulic jack apical canaliculus components welding tooling |
-
2018
- 2018-06-29 CN CN201810696733.1A patent/CN108942031A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006125131A (en) * | 2004-11-01 | 2006-05-18 | Hiroshi Takatori | Device for assembling joints |
| CN102941429A (en) * | 2012-12-04 | 2013-02-27 | 珠海格力电器股份有限公司 | Welding positioning device |
| CN104551543A (en) * | 2013-10-29 | 2015-04-29 | 中国电子科技集团公司第十八研究所 | Manufacture method of centrifugal acceleration testing device of thermal battery |
| CN108067802A (en) * | 2016-11-18 | 2018-05-25 | 凤城市润桥机械制造有限公司 | A kind of booster valve plate welding tooling combination |
| CN206717331U (en) * | 2017-03-24 | 2017-12-08 | 毛森 | A kind of weld jig |
| CN206871800U (en) * | 2017-05-18 | 2018-01-12 | 李晓旭 | A kind of adjustable for height wire wound bracket for earch wrie storing unit |
| CN206883199U (en) * | 2017-07-05 | 2018-01-16 | 大连誉程精密机械有限公司 | A kind of valve body lathe process clamping tooling |
| CN107442997A (en) * | 2017-09-15 | 2017-12-08 | 哈尔滨工程大学 | A kind of small-sized hand-operated clamping lifting turning operation platform |
| CN208483427U (en) * | 2018-06-29 | 2019-02-12 | 平顶山平煤机煤矿机械装备有限公司 | Hydraulic jack apical canaliculus components welding tooling |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20181207 |