CN105983934A - Adjustable wrench - Google Patents
Adjustable wrench Download PDFInfo
- Publication number
- CN105983934A CN105983934A CN201510042034.1A CN201510042034A CN105983934A CN 105983934 A CN105983934 A CN 105983934A CN 201510042034 A CN201510042034 A CN 201510042034A CN 105983934 A CN105983934 A CN 105983934A
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- China
- Prior art keywords
- claw
- knob
- pedestal
- adjustable
- connector
- 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.)
- Granted
Links
- 210000000078 claw Anatomy 0.000 claims description 91
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 39
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses an adjustable wrench. The adjustable wrench includes a handle and a working section; the working section includes an adjustment device and at least two clamping jaws, the clamping jaws are distributed in the circumference direction of the working section, the adjustment device is arranged to adjust the clamping jaws to move in the radial direction of the working section at the same time to approach or depart from the center of the working section, and a clamping opening formed by the plurality of clamping jaws can be adjusted. The adjustable wrench can be applied to work pieces with different specifications, and can be rapidly adjusted.
Description
Technical field
The present invention relates to hand-operated tools, particularly relate to a kind of adjustable spanner.
Background technology
The hand-operated tools of general spanner etc includes handle and the claw being installed on handle, and claw can edge
The direction of handle extends or extends along the direction vertical with handle, and multiple claws are constituted can be with work pieces mate
Bayonet socket.When actually used, people typically require the workpiece in the face of different size and model, and only
The spanner having corresponding model can stablize effective and work pieces mate.If the bayonet socket of spanner is with workpiece not
Coupling, then spanner will be unable to use or in use easily get loose, and therefore typically requires root
Select the spanner of corresponding model according to the concrete size of workpiece.Owing to species and the model of workpiece are different,
Therefore people typically require the hand-operated tools preparing different model of all kinds, and this is very inconvenient.
United States Patent (USP) US7997168B2 discloses a kind of adjustable ratchet wrench, is used for tightening or unclamps spiral shell
Screw bolt and nut.Including a pair mobilizable claw and adjusting means.This adjustable ratchet wrench is mainly sharp
With thumb wheel driven gear axle rotate so that mobilizable claw along gear shaft towards or away from movement,
Reach to regulate the bayonet socket size that claw is formed, to adapt to the bolt of different model or nut.Although it is this
Adjustable ratchet wrench achieves the function of regulation claw, but its practicality is low-down.One is
Because the inconvenient operation of thumb wheel, two are because the transmission mechanism poor stability of itself, and three are because
A pair claw being regulated by gear shaft is in use built on the sand.
Therefore, those skilled in the art to be devoted to exploitation a kind of easy to operate, stability is high, adjustable
The adjustable spanner of the size of joint bayonet socket.
Content of the invention
Because the drawbacks described above of prior art, the technical problem to be solved is to provide one
Easy to operate, the high adjustable spanner of stability, it is achieved the bayonet socket distance of spanner can be regulated, claw with
Workpiece is tightly fastened.
For achieving the above object, the invention provides a kind of adjustable spanner, including handle and work portion,
Handle has the first end and the second end on the other side, and the second end has the head for receiving work portion
Portion, work portion includes at least two claw, and claw is circumferentially distributed along work portion, and along work portion
Axially extending, adjustable spanner also includes adjusting means, and adjusting means is arranged for regulating claw,
Make claw radially simultaneously moving in work portion, close to or away from the center in work portion.
In a further embodiment, work portion also includes pedestal, and claw is slidably disposed in pedestal
On, claw has clamping face；Handle strip moving base rotates, and pedestal drive claw turns along the axis of pedestal
Dynamic, claw is by clamping face output moment of torsion.
In a further embodiment, pedestal having groove portion, wherein be arranged to can be with claw in groove portion
Coordinate so that claw can move along groove portion.
In a further embodiment, adjusting means includes knob and connector, and knob is coaxial with pedestal,
Connector direction is perpendicular to the axis of knob, and knob and connector have the cone flank of tooth that can coordinate, knob
Rotated by cone flank of tooth band follower link；Connector passes through claw, the wherein external screw thread of connector and card
Claw is driven to move along groove portion when the screw-internal thread fit of pawl makes connector rotate.
In other examples, adjusting means includes knob and connector, and knob is coaxial with pedestal,
The axis of connector is perpendicular to the axis of knob, and knob and connector have the cone flank of tooth that can coordinate, card
Pawl has bar portion, and bar portion has the external screw thread coordinating with connector, drives claw when connector rotates
Move along groove portion.
In other examples, adjusting means is knob, and the lower surface of knob has flat thread knot
Structure, the upper surface of claw has the arcuation flank of tooth, and flat thread structure coordinates with the arcuation flank of tooth so that knob
Claw is driven to move along groove portion during rotation.
In a further embodiment, work portion also includes reversing arrangement, and reversing arrangement includes ratchet unit
Part, pawl element coordinates with the tooth of the ratchet face on pedestal so that pawl element optionally drives
Pedestal is in the first direction or second direction rotates, and then skids on other direction, and first direction is
Clockwise or counterclockwise, second direction is the opposite direction of first direction；Reversing switch, commutation is opened
Close for switching the direction that pawl element band moving base rotates；Handle has can accommodate the of reversing arrangement
One space.
In a further embodiment, reversing switch includes spring and limiting component, and handle has and can hold
Receiving the second space of spring, second space is connecting towards side, work portion with the first space, limiting section
Part coordinates with pawl element, and spring applies pretightning force by limiting component to pawl element.
In a further embodiment, spring is arranged in limiting component.
In a further embodiment, reversing switch also includes plectrum, and plectrum is connected with pawl element.
In a further embodiment, pedestal includes the first rotatable parts and the second rotatable parts, first
Rotatable parts and the second rotatable parts are bolted, and the first rotatable parts have joins with pawl element
The ratchet face closing, groove location is on the second rotatable parts.
In a further embodiment, work portion has no less than two claws.
In a further embodiment, work portion has three claws.
In a further embodiment, claw is I shape, is nested in the groove portion of pedestal.
In a further embodiment, clamping face is optionally set to medial surface and the outside of claw
Face.
In a further embodiment, clamping face is V-arrangement face.
In a further embodiment, clamping face is shaped face.
In a further embodiment, pedestal and knob heart axis direction wherein has through hole.
In a further embodiment, under the medial surface of handle, edge is limited in claw in groove portion.
In a further embodiment, claw is uniformly distributed along the circumference in work portion.
In a further embodiment, claw is used for clamping workpiece, such as the securing member such as bolt, nut.
The adjustable spanner of the present invention achieves bayonet socket between claw apart from adjustable, and claw is connected tightly with workpiece
Close, easy to operate, regulation is quick, and stability is high and has auto-lock function, can effectively prevent claw from pressing from both sides
After clamping of workpieces, when spanner drives workpiece to rotate, claw gets loose.
Make into one below with reference to the technique effect to the design of the present invention, concrete structure and generation for the accompanying drawing
Step explanation, to be fully understood from the purpose of the present invention, feature and effect.
Brief description
Fig. 1 is the front view of the adjustable spanner of embodiments of the invention 1.
Fig. 2 shows the work portion of the adjustable spanner of embodiments of the invention 1.
Fig. 3 shows adjusting means and the claw of embodiments of the invention 1.
Fig. 4 shows the adjusting means of embodiments of the invention 1 and another set-up mode of claw.
Fig. 5 is the A-A sectional view of the second rotatable parts of embodiments of the invention 1.
Fig. 6 show the adjustable spanner of embodiments of the invention 1 in reversing arrangement.
Fig. 7 is the sectional view of the reversing arrangement of the adjustable spanner of embodiments of the invention 1.
Fig. 8 shows claw and the clamping face thereof of embodiments of the invention 1.
Fig. 9 shows the work portion of the adjustable spanner of embodiments of the invention 2.
Figure 10 is the upward view of the knob in Fig. 9.
Figure 11 is the stereogram of the claw in Fig. 9.
Detailed description of the invention
Embodiment 1
As it is shown in figure 1, the adjustable spanner of the present invention includes handle 10 and work portion 20, handle 10 has
Have the first end 12 and the second end 13 on the other side.There is on second end 13 head 11 (seeing Fig. 2)
And be connected with work portion 20.Work portion 20 is provided with claw 23, and claw 23 can be by being arranged to
Different shapes is to be configured to be applicable to operate all kinds of workpiece.The adjustable spanner of the present invention can have two
Or multiple claw.The present embodiment preferably has 3 claws, and circumferentially distributed along work portion 20.
The structure in the work portion 20 of the adjustable spanner of the present embodiment as shown in Figures 2 and 3, including pedestal
22nd, claw the 23rd, reversing arrangement 24 and adjusting means 21.Head 11 and the pedestal 22 of handle 10
Connect, optionally carried by reversing arrangement 24 moving base 22 around its axis to first direction or second
Direction rotates, and then skids at other direction, and wherein first direction is clockwise direction or counterclockwise
Direction, second direction is contrary with first direction.Pedestal 22 is provided with groove portion 224, groove portion 224 and card
Pawl 23 matches so that claw 23 can slide along groove portion 224, and such as claw 23 can be set to I-shaped
Type is nested in pedestal 22.Adjusting means 21 is for regulating position in groove portion 224 for the claw 23.
Specifically, the adjusting means 21 of the present embodiment includes knob 211 and connector 212.Connector 212
Including there is the near-end 2121 of the cone flank of tooth 2123 and there is externally threaded far-end 2122.Connector 212
Through claw 23 and by far-end 2122 with claw 23 to threaded.The lower surface of knob 211
2113 is tooth-shape structure, under the cone flank of tooth 2123 of the near-end 2121 of connector 212 and knob 211
End face 2113 engages so that when knob 211 rotates, and connector 212 drives claw 23 along groove portion 224
Mobile.Knob 211 keeps coaxial also by alignment pin 225 with pedestal 22, improves knob 211
Stability when regulation claw 23 moves.(seeing Fig. 4) in other examples, claw 23 can
It is set to that there is bar portion 234, bar portion 234 has external screw thread.The company of passing through of bar portion 234 of claw 23
Fitting 212 is simultaneously connected with connector 212 by screw thread.The near-end 2121 of connector 212 has cone
The flank of tooth 2123, engages with the tooth-shape structure on the lower surface 2113 of knob 211 so that knob 211
During rotation, connector 212 drives claw 23 to move along groove portion 224.
In order to easy to use, in the present embodiment, knob 211 be provided with two and protrude from knob 211
The spine on surface, can be by turning moment be applied with turning knob 211 to Liang Tiao spine during use.
In other examples, it is also possible to the outer peripheral face of knob 211 is set to the surface being applicable to grip,
I.e. can be by the outer peripheral face turning knob 211 of Easy holding knob 211.
The pedestal 22 of the present embodiment includes the first rotatable parts 221 and the second rotatable parts 222, wherein
The groove portion 224 of pedestal 22 is positioned on the second rotatable parts 222, the first rotatable parts 221 and second
Rotatable parts 222 are bolted to connection.The outer peripheral face of the first rotatable parts 221 includes ratchet face.
Being illustrated in figure 5 the A-A sectional view of the second rotatable parts 222, groove portion 224 Central Symmetry is distributed in
It on second rotatable parts 222, is more than the other end by paracentral end 2241 width, is used for holding
Receive the near-end 2121 of connector 212.In other examples, pedestal 22 also can be integral piece,
The i.e. part of the outer peripheral face of pedestal 22 is ratchet face.
The structure of the reversing arrangement 24 of the present embodiment as shown in Figure 6, including by plectrum 2422 and spacing
The reversing switch 242 of parts 2421 composition and pawl element 241.Wherein pawl element 241 and limit
Position parts 2421 lay respectively at the first space 113 in handle 10 and second space 114 (seeing Fig. 7).
It is provided with rotating shaft 2423 on plectrum 2422, pass through handle 10 and be connected with pawl element 241.Plectrum
2422 and pawl element 241 can 2423 axis synchronous axial system around the shaft.
Applicant discloses pawl element 241 in international patent application (PCT/CN2013/070641)
Structure and working principle.Pawl element 241 i.e. in the present embodiment and the first rotatable parts 221 and
Reversing switch 242 forms ratchet part, it is achieved the ratcher function of adjustable spanner, and passes through reversing switch
242 switching rotation directions.Other pawl element structure also refer to United States Patent (USP) US6789447B1,
Pawl element in US7587961B1 or UK Patent Application GB2041272A.
As shown in Figure 8, the claw 23 of the present embodiment is I shape, is used for and the groove portion on pedestal 22
224 coordinate.Claw 23 also includes clamping face 231, in being optionally set to depending on fastener constructions
Side or lateral surface.If the clamping face 231 of the claw 23 in the present embodiment is medial surface, for
Exterior angle appended claims.As it was previously stated, claw 23 can move in the groove portion 224 of pedestal 22, many
The clamping face 231 of individual claw 23 constitutes the bayonet socket for grip fastener, and bayonet socket is arrived in clamping face 231
The distance at center is the radius of bayonet socket.Particular configuration can be set on clamping face 231, as shown in Figure 7
For V-arrangement face, for the seamed edge of workpiece with the use of.
Embodiment 2
Such as the adjustable spanner of embodiment 1, in the present embodiment, the knot in the work portion 20 of adjustable spanner
Structure is as it is shown in figure 9, include pedestal the 22nd, claw the 23rd, reversing arrangement 24 and knob 211.Wherein base
Seat 22 includes the first rotatable parts 221 and the second rotatable parts 222, the first rotatable parts 221 and the
Two rotatable parts 222 are respectively provided with the outer flank of tooth that can cooperate and inner toothed surface so that the first rotation section
Part 221 can drive the second rotatable parts 222 rotatable around its axis.The head 11 of handle 10 and pedestal
22 connect, and are optionally carried moving base 22 around its axis to first direction or the by reversing arrangement 24
Two directions rotate, and then skid at other direction, and wherein first direction is clockwise direction or inverse time
Pin direction, second direction is contrary with first direction.Second rotatable parts 222 are provided with groove portion 224,
Groove portion 224 matches with claw 23 so that claw 23 can slide along groove portion 224.The present embodiment is preferred
It is three pairs of claws 23, and circumferentially distributed along work portion 20.
Figure 10-11 shows the upward view of the knob 211 of the present embodiment and the stereogram of claw 23.From
It can be seen that the center of the lower surface 2113 of knob 211 has a bar portion 2111 in Figure 10, to
One rotatable parts 221 extend across the first rotatable parts 221 and the second rotatable parts 222, make rotation
Button 211 keeps coaxial with the first rotatable parts 221 and the second rotatable parts 222.Under knob 211
End face 2113 has flat thread structure 2112, its projection on the lower surface 2113 of knob 211
For snail line, helix can be one group, two or more sets, and the present embodiment is preferably one group.Card
The upper surface 235 of pawl 23 contacts with the lower surface 2113 of knob 211, claw as shown in figure 11
The upper surface 235 of 23 has arcuation tooth-shape structure 232, the flat thread of the lower surface with knob 211
Structure 2112 cooperation makes knob 211 can slide with claw 23 when pivoting.Concrete,
When knob 211 rotates to first direction or second direction, claw 23 will be close to or away from knob 211
Center.In order to easy to use, in the present embodiment, knob 211 be provided with two and protrude from rotation
The spine on the surface of button 211, can be by applying turning moment to rotate rotation to Liang Tiao spine during use
Button 211.
The structure of the reversing arrangement 24 of the present embodiment is consistent with embodiment 1, as shown in Figure 6, including
The reversing switch 242 being made up of plectrum 2422 and limiting component 2421 and pawl element 241.Spine
Pawl element 241 and the first rotatable parts 221 and reversing switch 242 form ratchet part, it is achieved adjustable
The ratcher function of spanner, and switch rotation direction by reversing switch 242.
In the clamping face 231 of the claw 23 of the present embodiment is optionally set to depending on fastener constructions
Side or lateral surface.As shown in figure 11, in the clamping face 231 of the claw 23 of the present embodiment is set to
Side, clamping face 231 is plane.
The preferred embodiment of the present invention described in detail above.It should be appreciated that the common of this area
Technology just can make many modifications and variations according to the design of the present invention without creative work.Cause
This, all technical staff in the art are under this invention's idea on the basis of existing technology by patrolling
Collect analysis, reasoning or the available technical scheme of limited experiment, all should be by claims
Determined by protection domain.
Claims (20)
1. an adjustable spanner, including handle and work portion, described handle has the first end and in contrast
The second end, described second end has the head for receiving described work portion, and described work portion includes
At least two claw, described claw is circumferentially distributed along described work portion, and along the axle in described work portion
To extension, it is characterised in that described adjustable spanner also includes adjusting means, described adjusting means is set
It is set to, for regulating described claw, make described claw radially simultaneously moving in described work portion, connect
Center close or remote from described work portion.
2. adjustable spanner as claimed in claim 1, it is characterised in that described work portion also includes pedestal,
Described claw is slidably disposed on described pedestal, and described claw has clamping face；Described handle strip
Moving described pedestal to rotate, described pedestal drives described claw along the axis rotation of described pedestal, described card
Pawl exports moment of torsion by described clamping face.
3. adjustable spanner as claimed in claim 2, it is characterised in that there is on described pedestal groove portion,
Described groove portion is arranged to coordinate with described claw so that described claw can move along described groove portion.
4. adjustable spanner as claimed in claim 3, it is characterised in that described adjusting means includes knob
And connector, described knob is coaxial with described pedestal, and described connector direction is perpendicular to described knob
Axis, described knob and described connector have the cone flank of tooth that can coordinate, and described knob passes through described cone
The flank of tooth drives described connector to rotate；Described connector passes through described claw, wherein said connector
External screw thread makes described connector drive described claw edge when rotating with the screw-internal thread fit of described claw
Described groove portion moves.
5. adjustable spanner as claimed in claim 3, it is characterised in that described adjusting means includes knob
And connector, described knob is coaxial with described pedestal, and the axis of described connector is perpendicular to described knob
Axis, described knob and described connector have the cone flank of tooth that can coordinate, and described claw has bar portion,
There is in described bar portion the external screw thread coordinating with described connector, drive described when described connector rotates
Claw moves along described groove portion.
6. adjustable spanner as claimed in claim 3, it is characterised in that described adjusting means is knob,
The lower surface of described knob has flat thread structure, and the upper surface of described claw has the arcuation flank of tooth,
Described flat thread structure coordinates with the described arcuation flank of tooth so that drive described card during described knob
Pawl moves along described groove portion.
7. the adjustable spanner as described in claim 4-6, it is characterised in that described work portion also includes changing
To device, described reversing arrangement includes
Pawl element, described pawl element coordinates with the tooth of the ratchet face on described pedestal so that described
Pawl element optionally drives described pedestal in the first direction or second direction rotates, the opposing party
Upwards then skidding, described first direction is for clockwise or counterclockwise, and described second direction is
The opposite direction of first direction；
Reversing switch, described reversing switch drives described pedestal to rotate for switching described pawl element
Direction；
Described handle has the first space that can accommodate described reversing arrangement.
8. adjustable spanner as claimed in claim 7, it is characterised in that described reversing switch includes spring
And limiting component, described handle has the second space that can accommodate described spring, and described second space exists
Connecting towards side, work portion with described first space, described limiting component is joined with described pawl element
Closing, described spring applies pretightning force by described limiting component to described pawl element.
9. adjustable spanner as claimed in claim 8, it is characterised in that described spring is arranged on described limit
In the parts of position.
10. adjustable spanner as claimed in claim 9, it is characterised in that described reversing switch also includes
Plectrum, described plectrum is connected with described pawl element.
11. adjustable spanners as claimed in claim 7, it is characterised in that described pedestal includes first turn
Dynamic component and the second rotatable parts, described first rotatable parts and described second rotatable parts pass through bolt
Connecting, described first rotatable parts have the ratchet face coordinating with described pawl element, described groove location
On described second rotatable parts.
12. adjustable spanners as described in claim 4-6, it is characterised in that described work portion has much
In two claws.
13. adjustable spanners as claimed in claim 12, it is characterised in that described work portion has three
Claw.
14. adjustable spanners as claimed in claim 12, it is characterised in that described claw is I shape,
It is nested in the described groove portion of described pedestal.
15. adjustable spanners as claimed in claim 3, it is characterised in that described clamping face is alternative
The medial surface being set to described claw and lateral surface.
16. adjustable spanners as claimed in claim 15, it is characterised in that described clamping face is shaped face
Or V-arrangement face.
17. adjustable spanners as described in claim 4-6, it is characterised in that described pedestal and described knob
On heart axis direction, there is through hole wherein.
18. adjustable spanners as described in claim 4-6, it is characterised in that under the medial surface of described handle
Edge is limited in described claw in described groove portion.
19. adjustable spanners as claimed in claim 1, it is characterised in that described claw is along described work
The circumference in portion is uniformly distributed.
20. adjustable spanners as claimed in claim 15, it is characterised in that described claw is used for clamping work
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042034.1A CN105983934B (en) | 2015-01-28 | 2015-01-28 | Adjustable spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042034.1A CN105983934B (en) | 2015-01-28 | 2015-01-28 | Adjustable spanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105983934A true CN105983934A (en) | 2016-10-05 |
| CN105983934B CN105983934B (en) | 2024-02-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510042034.1A Active CN105983934B (en) | 2015-01-28 | 2015-01-28 | Adjustable spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105983934B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175602A (en) * | 2016-08-07 | 2017-09-19 | 廖伟登 | Inner ＆ outer polygon plays sub-device |
| WO2019196100A1 (en) * | 2018-04-13 | 2019-10-17 | 杭州联和工具制造有限公司 | Socket and socket wrench |
| CN112692769A (en) * | 2020-12-18 | 2021-04-23 | 贵州电网有限责任公司 | Adjustable ratchet wrench special-shaped combination tool |
| CN112936183A (en) * | 2021-04-07 | 2021-06-11 | 中建中新建设工程有限公司 | Rapid short pipe dismounting tool |
| CN113400232A (en) * | 2021-06-22 | 2021-09-17 | 江苏科技大学 | Detection device for electromechanical equipment based on ship |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175602A (en) * | 2016-08-07 | 2017-09-19 | 廖伟登 | Inner ＆ outer polygon plays sub-device |
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| CN112936183A (en) * | 2021-04-07 | 2021-06-11 | 中建中新建设工程有限公司 | Rapid short pipe dismounting tool |
| CN112936183B (en) * | 2021-04-07 | 2022-11-04 | 中建中新建设工程有限公司 | Rapid short pipe dismounting tool |
| CN113400232A (en) * | 2021-06-22 | 2021-09-17 | 江苏科技大学 | Detection device for electromechanical equipment based on ship |
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| CN105983934B (en) | 2024-02-23 |
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