CN104400503A - Reversible type angle steel drilling clamp - Google Patents
Reversible type angle steel drilling clamp Download PDFInfo
- Publication number
- CN104400503A CN104400503A CN201410717356.7A CN201410717356A CN104400503A CN 104400503 A CN104400503 A CN 104400503A CN 201410717356 A CN201410717356 A CN 201410717356A CN 104400503 A CN104400503 A CN 104400503A
- Authority
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- China
- Prior art keywords
- plate
- angle steel
- arc
- installing plate
- square backing
- 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.)
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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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a reversible type angle steel drilling clamp, and belongs to the technical field of mechanical processing clamp equipment. The reversible type angle steel drilling clamp comprises a supporting frame, a rotating stand and a compressing device; the supporting frame comprises a bottom plate, a supporting plate and an arc-shaped chute; the rotating stand comprises a mounting plate, a connecting plate and a quadrate cushion plate; the supporting plate is connected with the connecting plate through a rotating shaft; a rolling body in match with the arc-shaped chute is arranged at the lower part of the mounting plate; the rotating stand is positioned in the supporting frame and is in rotating match with the supporting frame; positioning pin holes are arranged in the end surfaces of the supporting plate and the connecting plate and used for positioning the rotating stand and the supporting frame; the compressing device comprises a short vertical column, a long vertical column, a connecting arc plate, a lead screw sleeve and a compressing lead screw; the compressing lead screw is used for compressing a component through a compressing block; the head part of the compressing block is in a shape of an opening angle of 90 degrees. According to the angle steel drilling clamp, the rotating plate can be rotated in 90 degrees for continuously drilling a flange surface of the angle steel, and thus the drilling precision and efficiency can be improved, and the angle steel processing quality can also be ensured.
Description
Technical field
The invention belongs to machining jig equipment technical field, be specifically related to a kind of reversible angle steel drill jig.
Background technology
At present, in steel construction processing, the jig of the use when carrying out Drilling operation to angle steel only has simple clamping function, because angle steel has face, two orthogonal edges of a wing, during boring, face, the edge of a wing will keep level, each boring can only process face, an edge of a wing, need to carry out second time clamping during processing second face, the edge of a wing, such processing causes the discontinuity of work, not only lose time, and two face, the edge of a wing Kong Qun between relative accuracy cannot ensure, sometimes even manufacture requirements is not reached, affect the installation accuracy of structure, in addition, traditional angle steel jig is due to the reason such as the pressure spot that is installed is very few, angle steel and jig laminating are not tight and angle steel rigidity is inadequate, therefore heavy wear can be produced to drill bit, further increase processing cost.
Summary of the invention
Instant invention overcomes deficiency of the prior art, provide a kind of jig that can overturn, ensure that the continuity that angle steel is processed; improve efficiency and the machining accuracy of work; eliminate the shortcoming of angle steel rigidity deficiency, protect machining tool, reduce maintenance cost.
Concrete technical scheme of the present invention:
A kind of reversible angle steel drill jig, comprise bracing frame, rotating turret and hold down gag, bracing frame comprises base plate, gripper shoe and cambered way, base plate fixes on the ground, gripper shoe is symmetricly set on base plate two ends, the gripper shoe lower surface at two ends is fixed with base plate upper surface respectively, dead eye and three dowel holes are provided with in the middle part of end face, it is the circumferentially same of the center of circle that three dowel holes are all positioned at bearing, two are had to be positioned at same level with dead eye in three dowel holes, another dowel hole is positioned at directly over dead eye, cambered way is arranged between the gripper shoe of two ends, cambered way lower surface and base plate upper surface are fixed, cambered way upper surface is to recessed arc, rotating turret comprises installing plate, connecting plate and square backing plate, be provided with rolling element bottom installing plate to match with the arc-shaped upper ends face of cambered way, connecting plate is symmetricly set on the two ends of installing plate, two ends connecting plate is vertical with installing plate, connecting plate lower surface and installing plate two ends are fixed, it is corresponding with the dead eye of gripper shoe in bracing frame and three dowel holes respectively that connecting plate end face is provided with connecting hole and three dowel holes, connecting hole is connected by rotating shaft with dead eye, rotating shaft one end and connecting hole are fixed, the other end is formed by bearing and dead eye and is rotatably assorted, square backing plate is arranged between two connecting plates, square backing plate is parallel with connecting plate, square backing plate lower surface and installing plate upper surface are fixed, hold down gag is positioned at installing plate upper surface and square backing plate opposite position, hold down gag comprises short column, long column, connect arc plate, screw set and compression leading screw, short column and long column lay respectively at outside square backing plate two ends, the upper surface of installing plate is all fixed in the lower end of short column and long column, connection arc plate is arcuate structure and end face is provided with long arc-shaped holes, connect arc plate two ends to fix with the upper end of short column and long column respectively, screw set is positioned at and connects arc plate side, screw set side is fixedly installed threaded rod and passes the long arc-shaped holes of connection arc plate and fixed by nut at opposite side, compress leading screw be arranged in screw set and coordinate with screw set, compress leading screw lower end and be provided with compact heap, compact heap upper end and compression leading screw lower end are for being rotatably assorted.
Described hold-down head lower end is dihedral hatch frame, and opening angle is 90 °.
The quantity of described cambered way is for being no less than 1, and all cambered waies are evenly distributed on the upper surface of base plate.
Described rolling element is steel wheel or bearing.
The quantity of described rolling element is three, is separately positioned on installing plate lower surface in the position corresponding with cambered way two ends and middle part.
The quantity of described square backing plate, for being no less than two, is evenly distributed on installing plate upper surface.
The quantity of described square backing plate is six, and six square backing plates are evenly distributed on installing plate upper surface.
The invention has the beneficial effects as follows: can when being installed without the need to secondary, realize the upset in face, angle steel two edges of a wing, respectively Drilling operation is carried out to the face, two edges of a wing of angle steel, ensure that the precision of two edge of a wing face groups, ensure that the continuity of processing, shorten process time, simultaneously by reasonably arranging the strong point and compressing point, ensure that the rigidity of angle steel, decrease the wearing and tearing of drill bit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of bracing frame and rotating turret in the present invention.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the structural representation of hold down gag in the present invention.
Fig. 5 is the left view of Fig. 4.
In accompanying drawing, 1, base plate, 2, gripper shoe, 3, cambered way, 4, dead eye, 5, dowel hole, 6, installing plate, 7, connecting plate, 8, square backing plate, 9, rolling element, 10, rotating shaft, 11, short column, 12, long column, 13, arc plate is connected, 14, screw set, 15, compress leading screw, 16, long arc-shaped holes, 17, compact heap, 18, alignment pin.
Detailed description of the invention
A kind of reversible angle steel drill jig, it is characterized in that: comprise bracing frame, rotating turret and hold down gag, bracing frame comprises base plate 1, gripper shoe 2 and cambered way 3, base plate 1 fixes on the ground, gripper shoe 2 is symmetricly set on base plate 1 two ends, gripper shoe 2 lower surface at two ends is fixed with base plate 1 upper surface respectively, dead eye 4 and three dowel holes 5 are provided with in the middle part of gripper shoe 2 end face, three dowel holes 5 are all positioned at dead eye 4, and to be the center of circle circumferentially same, two are had to be positioned at same level with dead eye 5 in three dowel holes 5, another dowel hole 5 is positioned at directly over dead eye 4, cambered way 3 is arranged between the gripper shoe 2 at base plate 1 two ends, cambered way 3 lower surface and base plate 1 upper surface are fixed, cambered way 3 upper surface is both sides arcs recessed to centre, rotating turret comprises installing plate 6, connecting plate 7 and square backing plate 8, be provided with rolling element 9 bottom installing plate 6 to match with the arc-shaped upper ends face of cambered way 3, connecting plate 7 is symmetricly set on the two ends of installing plate 6, connecting plate 7 is vertical with installing plate 6, connecting plate 7 lower surface and installing plate 6 two ends are fixed, it is corresponding with the dead eye 4 of gripper shoe in bracing frame 2 and three dowel holes 5 respectively that connecting plate 7 end face is provided with connecting hole and three dowel holes 5, connecting hole is connected by rotating shaft 10 with dead eye 4, rotating shaft 10 one end and connecting hole are fixed, the other end is formed by bearing and dead eye 4 and is rotatably assorted, square backing plate 8 is arranged between two connecting plates 7, square backing plate 8 is parallel with connecting plate 7, square backing plate 8 lower surface and installing plate 6 upper surface are fixed, hold down gag be positioned at installing plate 7 upper surface with square backing plate 8 opposite position, hold down gag comprises short column 11, long column 12, connect arc plate 13, screw set 14 and compression leading screw 15, short column 11 and long column 12 lay respectively at outside square backing plate 8 two ends, the upper surface of installing plate 6 is all fixed in the lower end of short column 11 and long column 12, connection arc plate 13 is for arcuate structure and end face is provided with long arc-shaped holes 16, connect arc plate 13 two ends to fix with the upper end of short column 11 and long column 12 respectively, screw set 14 is positioned at and connects arc plate 13 side, screw set 14 side is fixedly installed threaded rod and passes the long arc-shaped holes 16 of connection arc plate 13 and fixed by nut at opposite side, compress leading screw 15 be arranged in screw set 14 and coordinate with screw set 14, compress leading screw 15 lower end and be provided with compact heap 17, compact heap 17 upper end and compression leading screw 15 lower end are for being rotatably assorted.
Embodiment 1, as shown in Figures 1 to 5, rotating turret is arranged in bracing frame and is formed by rotating shaft 10 and bracing frame and is rotatably assorted, when needs carry out Drilling operation to angle steel, with alignment pin 18 through the dowel hole 5 of dead eye 4 left end and the dowel hole 5 of connecting hole left end, now the relative position between rotating turret and bracing frame is fixed by alignment pin 18, the quantity of the square backing plate 8 in rotating turret is two, be evenly distributed on installing plate 6 upper surface, square backing plate 8 upper left corner of rotating turret is an angle of 90 degrees, angle steel laminating is taken and is placed on all square backing plate 8 upper left corner in rotating turret, the corresponding hold down gag of each square backing plate, screw set 14 in each hold down gag is moved in the long arc-shaped holes 16 connecting arc plate 13, when compressing right angle just to angle steel of the compact heap 17 of leading screw 15, screw set 14 stops mobile, with the nut of long arc-shaped holes 16 opposite side by screw set 14 be connected arc plate 13 and fix, compress leading screw 15 to carry out in screw set 14 towards the rotation of angle steel, compact heap 17 lower end is dihedral hatch frame, opening angle is 90 °, compact heap 17 and compression leading screw 15 end are for being rotatably assorted, compact heap 17 does not rotate with compression leading screw 15, compact heap 17 keeps fitting with the right angle of angle steel, along with the movement compressing leading screw 15, compact heap 17 compresses angle steel gradually, when compress leading screw 15 promote compact heap 17 compress angle steel time, compress leading screw 15 to stop operating, now, angle steel is located clamping completely, Drilling operation is carried out in the face, the edge of a wing starting to be positioned at angle steel upper end.
After angle steel is positioned at face, the edge of a wing boring of upper end, alignment pin 18 in dowel hole 5 on the left of dead eye 4 is extracted out, now, rotating turret can be rotated around dead eye 4 by rotating shaft 10, rolling element 9 below rotating turret matches with cambered way 3, the quantity of cambered way 3 is for being no less than 1, all cambered waies 3 are evenly distributed on the upper surface of base plate 1, rolling element 9 is steel wheel or bearing, be preferably bearing, rolling element 9 corresponding to each cambered way 3 upper surface is three, be separately positioned on the position that installing plate 6 lower surface is corresponding at the two ends and middle part with cambered way 3, rolling element 9 pairs of rotating turrets play guiding and supporting role, when rotating turret is rotated counterclockwise after 90 degree, the relative position relation of rotating turret and bracing frame there occurs change, the rolling element 9 of cambered way 3 right-hand member is rotated to the left end of cambered way 3, dowel hole 5 before rotating turret rotates on the left of connecting hole is corresponding with the dowel hole 5 directly over dead eye 4, alignment pin 18 inserted the dowel hole 5 directly over dead eye 4 and pass the dowel hole 5 rotated on the left of front connecting hole, after alignment pin 18 is inserted, relative position between rotating turret and bracing frame maintains static, now, another face, edge of a wing of angle steel is rotated to horizontal level, Drilling operation can be carried out to this face, edge of a wing of angle steel, so just achieve and can carry out Drilling operation to face, two edges of a wing without the need to dismantling mobile angle steel.
Embodiment 2, as shown in Figure 3, the quantity of square backing plate 8 is six, six square backing plates 8 are evenly distributed on installing plate 6 upper surface, the corresponding hold down gag of each square backing plate, and six square backing plates add the strong point of angle steel, hold down gag corresponding to square backing plate adds the compression point to angle steel, the location of angle steel is more firm, and the rigidity of angle steel is better, makes the drilling effect of angle steel better.
The present invention can carry out the processing of upset continuous drilling to two of an angle steel face, the edge of a wing, ensure that the precision of two edge of a wing face groups, shorten process time, by rationally arranging the strong point and pressure spot, improve the rigidity behind angle steel location of knowing clearly, decrease the wearing and tearing of drill bit, extend the life-span of drill bit, reduce processing cost, improve the operating efficiency to angle steel drill.
Claims (7)
1. a reversible angle steel drill jig, it is characterized in that: comprise bracing frame, rotating turret and hold down gag, bracing frame comprises base plate (1), gripper shoe (2) and cambered way (3), base plate (1) fixes on the ground, gripper shoe (2) is symmetricly set on base plate (1) two ends, gripper shoe (2) lower surface at two ends is fixed with base plate (1) upper surface respectively, dead eye (4) and three dowel holes (5) are provided with in the middle part of gripper shoe (2) end face, three dowel holes (5) are all positioned at dead eye (4), and to be the center of circle circumferentially same, two are had to be positioned at same level with dead eye (5) in three dowel holes (5), another dowel hole (5) is positioned at directly over dead eye (4), cambered way (3) is arranged between the gripper shoe (2) at base plate (1) two ends, cambered way (3) lower surface and base plate (1) upper surface are fixed, cambered way (3) upper surface is both sides arcs recessed to centre, rotating turret comprises installing plate (6), connecting plate (7) and square backing plate (8), installing plate (6) bottom is provided with rolling element (9) and matches with the arc-shaped upper ends face of cambered way (3), connecting plate (7) is symmetricly set on the two ends of installing plate (6), connecting plate (7) is vertical with installing plate (6), connecting plate (7) lower surface and installing plate (6) two ends are fixed, it is corresponding with the dead eye (4) of gripper shoe in bracing frame (2) and three dowel holes (5) respectively that connecting plate (7) end face is provided with connecting hole and three dowel holes (5), connecting hole is connected by rotating shaft (10) with dead eye (4), rotating shaft (10) one end and connecting hole are fixed, the other end is formed by bearing and dead eye (4) and is rotatably assorted, square backing plate (8) is arranged between two connecting plates (7), square backing plate (8) is parallel with connecting plate (7), square backing plate (8) lower surface and installing plate (6) upper surface are fixed, hold down gag be positioned at installing plate (7) upper surface with square backing plate (8) opposite position, hold down gag comprises short column (11), long column (12), connect arc plate (13), screw set (14) and compression leading screw (15), short column (11) and long column (12) lay respectively at outside square backing plate (8) two ends, the upper surface of installing plate (6) is all fixed in the lower end of short column (11) and long column (12), connection arc plate (13) is for arcuate structure and end face is provided with long arc-shaped holes (16), connect arc plate (13) two ends to fix with the upper end of short column (11) and long column (12) respectively, screw set (14) is positioned at and connects arc plate (13) side, screw set (14) side is fixedly installed threaded rod and passes the long arc-shaped holes (16) of connection arc plate (13) and fixed by nut at opposite side, compress leading screw (15) be arranged in screw set (14) and coordinate with screw set (14), compress leading screw (15) lower end and be provided with compact heap (17), compact heap (17) upper end and compression leading screw (15) lower end are for being rotatably assorted.
2. a kind of reversible angle steel drill jig according to claim 1, is characterized in that: described compact heap (17) lower end is dihedral hatch frame, and opening angle is 90 °.
3. a kind of reversible angle steel drill jig according to claim 1, it is characterized in that: the quantity of described cambered way (3) is for being no less than 1, and all cambered waies (3) are evenly distributed on the upper surface of base plate (1).
4. a kind of reversible angle steel drill jig according to claim 1, is characterized in that: described rolling element (9) is steel wheel or bearing.
5. a kind of reversible angle steel drill jig according to claim 1, it is characterized in that: described rolling element (9) is three, be separately positioned on the position that installing plate (6) lower surface is corresponding at the two ends and middle part with cambered way (3).
6. a kind of reversible angle steel drill jig according to claim 1, is characterized in that: the quantity of described square backing plate (8), for being no less than two, is evenly distributed on installing plate (6) upper surface.
7. a kind of reversible angle steel drill jig according to claim 6, it is characterized in that: the quantity of described square backing plate (8) is six, six square backing plates (8) are evenly distributed on installing plate (6) upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410717356.7A CN104400503B (en) | 2014-12-01 | 2014-12-01 | A kind of reversible angle steel drill fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410717356.7A CN104400503B (en) | 2014-12-01 | 2014-12-01 | A kind of reversible angle steel drill fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104400503A true CN104400503A (en) | 2015-03-11 |
| CN104400503B CN104400503B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410717356.7A Active CN104400503B (en) | 2014-12-01 | 2014-12-01 | A kind of reversible angle steel drill fixture |
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| Country | Link |
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| CN (1) | CN104400503B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215728A (en) * | 2015-11-05 | 2016-01-06 | 王琼琦 | The rotary positioning tool of sketch plate hole machined |
| CN107662118A (en) * | 2017-11-25 | 2018-02-06 | 山西江淮重工有限责任公司 | The milling clamping tooling of circular arc clip end face |
| CN109351883A (en) * | 2018-11-07 | 2019-02-19 | 华北理工大学 | Manual steel bar bending tool and its operating method |
| CN109352382A (en) * | 2018-11-14 | 2019-02-19 | 菲舍尔航空部件（镇江）有限公司 | L shape corner fittings milling clamping tooling |
| CN109571050A (en) * | 2018-11-30 | 2019-04-05 | 重庆程顺汽车配件制造有限公司 | A kind of automobile parts overturning and positioning device |
| CN110682130A (en) * | 2019-10-24 | 2020-01-14 | 上海沪东造船柴油机配套有限公司 | No lug diesel engine frame < shape frock clamp for lifting by crane instrument processing |
| CN113263201A (en) * | 2021-05-18 | 2021-08-17 | 中国电建集团贵州电力设计研究院有限公司 | Movable clamp for drilling boost station disconnecting link and using method thereof |
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| JPH07178610A (en) * | 1993-12-21 | 1995-07-18 | Terada Tekko Kensetsu:Kk | Method of drilling angle steel and t-steel and drilling jig |
| CN202701851U (en) * | 2011-12-27 | 2013-01-30 | 中国二冶集团有限公司 | Angle iron boring mold with adjustable edge distance |
| CN203062338U (en) * | 2013-01-25 | 2013-07-17 | 防城港中一重工有限公司 | Clamp for drilling hole in angle iron |
| CN203245401U (en) * | 2012-12-17 | 2013-10-23 | 中国二冶集团有限公司 | Device for rapidly boring two sides of angle iron |
| CN103624290A (en) * | 2013-12-16 | 2014-03-12 | 中铁山桥集团有限公司 | Method for drilling long round hole of super-long rod piece |
| CN204339351U (en) * | 2014-12-01 | 2015-05-20 | 中铁山桥集团有限公司 | A kind of reversible angle steel drill jig |
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Patent Citations (6)
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| JPH07178610A (en) * | 1993-12-21 | 1995-07-18 | Terada Tekko Kensetsu:Kk | Method of drilling angle steel and t-steel and drilling jig |
| CN202701851U (en) * | 2011-12-27 | 2013-01-30 | 中国二冶集团有限公司 | Angle iron boring mold with adjustable edge distance |
| CN203245401U (en) * | 2012-12-17 | 2013-10-23 | 中国二冶集团有限公司 | Device for rapidly boring two sides of angle iron |
| CN203062338U (en) * | 2013-01-25 | 2013-07-17 | 防城港中一重工有限公司 | Clamp for drilling hole in angle iron |
| CN103624290A (en) * | 2013-12-16 | 2014-03-12 | 中铁山桥集团有限公司 | Method for drilling long round hole of super-long rod piece |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215728A (en) * | 2015-11-05 | 2016-01-06 | 王琼琦 | The rotary positioning tool of sketch plate hole machined |
| CN107662118A (en) * | 2017-11-25 | 2018-02-06 | 山西江淮重工有限责任公司 | The milling clamping tooling of circular arc clip end face |
| CN107662118B (en) * | 2017-11-25 | 2023-12-22 | 山西江淮重工有限责任公司 | Milling and clamping tool for arc-shaped clamp end face |
| CN109351883A (en) * | 2018-11-07 | 2019-02-19 | 华北理工大学 | Manual steel bar bending tool and its operating method |
| CN109351883B (en) * | 2018-11-07 | 2024-02-23 | 华北理工大学 | Manual reinforcing steel bar bending tool and operation method thereof |
| CN109352382A (en) * | 2018-11-14 | 2019-02-19 | 菲舍尔航空部件（镇江）有限公司 | L shape corner fittings milling clamping tooling |
| CN109571050A (en) * | 2018-11-30 | 2019-04-05 | 重庆程顺汽车配件制造有限公司 | A kind of automobile parts overturning and positioning device |
| CN110682130A (en) * | 2019-10-24 | 2020-01-14 | 上海沪东造船柴油机配套有限公司 | No lug diesel engine frame < shape frock clamp for lifting by crane instrument processing |
| CN113263201A (en) * | 2021-05-18 | 2021-08-17 | 中国电建集团贵州电力设计研究院有限公司 | Movable clamp for drilling boost station disconnecting link and using method thereof |
| CN113263201B (en) * | 2021-05-18 | 2023-02-14 | 中国电建集团贵州电力设计研究院有限公司 | Movable clamp for drilling boost station disconnecting link and using method thereof |
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| CN104400503B (en) | 2016-08-17 |
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