CN209849771U - Anchor rope demolishs water cutting auxiliary device - Google Patents
Anchor rope demolishs water cutting auxiliary device Download PDFInfo
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- CN209849771U CN209849771U CN201920569561.1U CN201920569561U CN209849771U CN 209849771 U CN209849771 U CN 209849771U CN 201920569561 U CN201920569561 U CN 201920569561U CN 209849771 U CN209849771 U CN 209849771U
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Abstract
A water cutting auxiliary device for anchor cable dismantling relates to the technical field of water cutting, and comprises a single hydraulic prop, a water cutting spray gun horizontally and rotatably arranged on a single hydraulic prop plunger and a flexible shaft for controlling the water cutting spray gun to rotate, wherein the lower end of a shaft core of the flexible shaft is connected with a handle; still include the support end that is supported by monomer hydraulic prop plunger, this kind of anchor rope is demolishd water cutting auxiliary device and can be in the colliery in the pit the anchor rope when demolishing the supplementary cutting that carries out tool to lock on the anchor rope, convenient operation, factor of safety are high.
Description
The technical field is as follows:
the utility model relates to a water cutting technical field especially relates to an anchor rope is demolishd water cutting auxiliary device.
Background art:
in the coal mine underground production process, the difficulty of the demolition work of the roadway roof anchor cable is often large, the lockset on the anchor cable needs to be cut when the anchor cable is demolished, the coal mine underground condition is special, and the following dangerous factors exist: firstly, hidden dangers of gas and coal dust exist, open fire or sparks can be generated by gas cutting or a traditional cutting tool, so that gas explosion or coal dust explosion can be caused when the anchor cable is used for removing the underground anchor cable, and the danger coefficient is high; secondly, the anchor cable on the top plate of the underground roadway is high in height, and the dismounting operation needs ascending operation, so that the dismounting operation is troublesome, and the falling accident of personnel is easy to happen when the cutting operation is carried out at the high position; thirdly, the anchor rope loses effect after the tool to lock on the anchor rope is demolishd, and the roof condition is unclear, probably takes place to fall, causes the threat to personnel's health and the intact of equipment, and the personnel of demolising the anchor rope tool to lock of ascending a height still are in the eminence when the roof takes place to fall, then the operation personnel can be more dangerous.
The utility model has the following contents:
in order to solve the technical problem, the utility model provides a water cutting auxiliary device is demolishd to anchor rope can assist when the colliery is in the pit anchor rope and carry out the cutting of tool to lock on the anchor rope, and convenient operation, factor of safety are high.
The utility model discloses a realize through following technical scheme:
a water cutting auxiliary device for anchor cable dismantling is characterized by comprising a single hydraulic prop, a water cutting spray gun horizontally and rotatably arranged on a single hydraulic prop plunger and a flexible shaft for controlling the water cutting spray gun to rotate, wherein the lower end of a shaft core of the flexible shaft is connected with a handle; and a support end supported by the single hydraulic prop plunger.
The utility model discloses an in another aspect, still include the speed reducer, the input of speed reducer links to each other with the flexible axle, the output shaft and the water cutting spray gun of speed reducer are connected fixedly.
In another aspect of the present invention, the support end is an upper end of a single hydraulic prop plunger.
In another aspect of the present invention, a support nipple is fixed to the plunger of the single hydraulic prop, and the support end is an upper end of the support nipple.
In another aspect of the utility model, be fixed with the support nipple joint on the post alive of hydraulic prop, support the upper end of holding for supporting the nipple joint, the speed reducer is fixed on supporting the nipple joint.
In another aspect of the present invention, a horizontal connection pipe is fixed to the support nipple, a first sleeve is slidably sleeved on the horizontal connection pipe, a first locking screw hole is formed in a wall of the first sleeve, and a first locking bolt is engaged in the first locking screw hole; the first sleeve is further fixed with a fixing seat, and the speed reducer is fixed on the fixing seat.
The utility model discloses an in another aspect, the output shaft of speed reducer is improved level and is fixed with the second sleeve, and insert in the second sleeve the body of a gun slidable of water cutting spray gun, it has second locking screw to open on the second sleeve pipe wall, and second locking screw inner gearing has second locking bolt.
In another aspect of the utility model, the fixing base is "L" type platelike, the vertical part and the first sleeve pipe wall connection of fixing base are fixed, the horizontal part of fixing base is opened there is the connecting hole, and the axle core of flexible axle passes the connecting hole and is connected with the input of speed reducer.
The utility model discloses an in another aspect, still including fixing the connecting seat on hydraulic prop plunger upper portion, the speed reducer is fixed on the connecting seat.
The utility model has the advantages that:
the anchor cable dismantling water cutting auxiliary device can be used for cutting and dismantling the anchor cable on the top plate of the underground roadway through matching with a water cutting machine, open fire or sparks can not be generated, and gas and coal dust explosion caused by cutting operation is avoided; personnel do not need to ascend, the water cutting spray gun can be remotely controlled to rotate, the operation is convenient, and the safety factor is high; the cutting process and can play the supporting role to the roof after downcutting the anchor rope upper lock, avoided unexpected roof fall endanger personnel's health and equipment intact, factor of safety is high. In one aspect of the present invention, the provision of the speed reducer enables the operator to more easily operate the water cutting torch while controlling the water cutting torch to perform small-amplitude rotation; in one aspect of the utility model, the arrangement of the support short section enables the anchor cable water removal and cutting auxiliary device to have higher construction height; in one aspect of the utility model, the arrangement of the first sleeve and the second sleeve enables the speed reducer and the water cutting spray gun to be capable of adjusting the positions, thereby being suitable for different working environments; in one aspect of the present invention, the first and second locking bolts facilitate fixation of the first and second sleeves, respectively.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.
Fig. 2 is a schematic view of the construction state of embodiment 1 of the present invention.
Fig. 3 is a schematic view of a partial structure of a water cutting spray gun according to embodiment 1 of the present invention.
Fig. 4 is a schematic view of the overall structure of embodiment 2 of the present invention.
Fig. 5 is a schematic view of the overall structure of embodiment 3 of the present invention.
Fig. 6 is a schematic view of an internal structure of a rotary connector according to embodiment 3 of the present invention.
In the drawings: 1. the support nipple joint, 2, hydraulic prop's post alive, 3, hydraulic prop, 4, water cutting spray gun, 5, horizontal connecting pipe, 6, flexible axle, 7, handle, 8, high-pressure rubber tube, 9, indisputable tray, 10, tool to lock, 11, anchor rope line, 12, first sleeve pipe, 13, first locking bolt, 14, fixing base, 15, second locking bolt, 16, second sleeve pipe, 17, speed reducer, 18, connecting seat, 19, swivelling joint spare.
The specific implementation mode is as follows:
the following will further explain the embodiments of the present invention with reference to the drawings and examples:
in the description of the present invention, it should be understood that the description indicating the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
A water cutting auxiliary device for anchor cable dismantling comprises a single hydraulic prop 3, a water cutting spray gun 4 horizontally and rotatably mounted on a single hydraulic prop plunger and a flexible shaft 6 for controlling the water cutting spray gun 4 to rotate, wherein the lower end of a shaft core of the flexible shaft 6 is connected with a handle 7; and a support end supported by the single hydraulic prop plunger. The water cutting device is characterized by further comprising a speed reducer 17, wherein the input end of the speed reducer 17 is connected with the flexible shaft 6, and the output shaft of the speed reducer 17 is fixedly connected with the water cutting spray gun 4 (fixedly connected through a second sleeve 16). A support short section 1 is fixedly welded at the upper end of a plunger 2 of the single hydraulic prop, and the support end is the upper end of the support short section 1; the vertical distance between the water cutting spray gun 4 and the upper end of the support short section 1 is equal to the vertical distance between the position to be cut of the anchor rope lock 10 and the bottom end of the anchor rope iron tray 9. The speed reducer 17 is fixed on the support short section 1 in a specific fixing mode that a horizontal connecting pipe 5 is fixedly welded on the support short section 1, a first sleeve pipe 12 is slidably sleeved on the horizontal connecting pipe 5, a first locking screw hole is formed in the pipe wall of the first sleeve pipe 12, and a first locking bolt 13 is engaged in the first locking screw hole; a fixed seat 14 is further welded and fixed on the first sleeve 12, and the speed reducer 17 is fixed on the fixed seat 14. A second sleeve 16 is horizontally welded and fixed on an output shaft of the speed reducer 17, a gun body of the water cutting spray gun 4 can be slidably inserted into the second sleeve 16, a second locking screw hole is formed in the pipe wall of the second sleeve 16, and a second locking bolt 15 is engaged in the second locking screw hole. The fixing seat 14 is in an L-shaped plate shape, the vertical part of the fixing seat 14 is fixedly welded with the pipe wall of the first sleeve 12, the horizontal part of the fixing seat 14 is provided with a connecting hole, and the shaft core of the flexible shaft 6 penetrates through the connecting hole to be connected with the input end of the speed reducer 17. The bolt heads of the first locking bolt 13 and the second locking bolt 15 are arranged in a disc shape with a diameter that is sized to be screwed by hand.
When the anchor cable on the top plate of the underground roadway is dismantled, the water cutting spray gun 4 of the anchor cable dismantling water cutting auxiliary device is connected with a water cutting machine through a high-pressure rubber pipe 8, the position of the first sleeve 12 on the horizontal connecting pipe 5 and the position of the water cutting spray gun 4 in the second sleeve 16 are adjusted according to the field condition, so that the anchor cable dismantling water cutting auxiliary device is suitable for field cutting work, and the first locking bolt 13 and the second locking bolt 15 are screwed respectively to fix the first sleeve 12 and the water cutting spray gun 4 in the second sleeve 16. Standing the single hydraulic prop on a bottom plate below an anchor rope to be dismantled, injecting liquid into the single hydraulic prop 3 by using a liquid injection gun, lifting a plunger 2 of the single hydraulic prop upwards until the upper end (supporting end) of a supporting short section 1 is propped against an iron tray 9 of the anchor rope to be dismantled, adjusting the position and the direction of the anchor rope dismantling water cutting auxiliary device before the supporting end is propped firmly, enabling the position relation between a water cutting spray gun 4 and a lockset 10 of the anchor rope to be dismantled to be suitable for water cutting operation, enabling the supporting end to prop against the iron tray 9 of the anchor rope to be dismantled after the adjustment is completed, enabling personnel to avoid the anchor rope right below, starting a water cutting machine, and controlling the water cutting spray gun 4 to rotate by screwing a handle 7 so as to carry out water cutting operation. After cutting off the tool to lock 10 of anchor rope, close the water cutting machine, carry out the pressure release operation to monomer hydraulic prop, the roof condition is carefully observed to the pressure release in-process, if the discovery roof has the slump, stops the pressure release operation, in time takes the support measure to the roof, ensures safety, if the roof does not have the slump sign, then the pressure release falls with monomer hydraulic prop, and then removes this kind of anchor rope demolishs water cutting auxiliary device.
Water cutting is also known as water jet cutting or water knife cutting, and high-pressure water jet cutting is a special processing method. It uses the booster to pressurize the water, the water obtains the pressure energy, and then the pressure energy is ejected from the tiny nozzle, the pressure energy is converted into the kinetic energy, thereby forming the high-speed jet. The cutting is just to utilize the impact damage effect of the kinetic energy of the high-speed jet flow on the workpiece, so as to achieve the purposes of cutting off and forming. The water cutting process can not generate sparks, so that the safety coefficient of cutting work in a coal mine underground by adopting a water cutting mode is higher. However, because there is roof fall danger, construction position is high, and the water cutting equipment among the prior art can't be applied to the cutting of tunnel roof anchor rope safely, conveniently and demolish work, and adopted the utility model provides a water cutting auxiliary device is torn open to the anchor rope, then can conveniently, safely carry out the cutting of tool to lock 10 on the anchor rope.
The anchor cable dismantling water cutting auxiliary device can be used for cutting and dismantling the anchor cable on the top plate of the underground roadway through matching with a water cutting machine, open fire or sparks can not be generated, and gas and coal dust explosion caused by cutting operation is avoided; personnel do not need to ascend, the single hydraulic prop plays a role in lifting the water cutting spray gun 4, and an operator can remotely control the water cutting spray gun 4 to rotate through the handle 7 of the flexible shaft 6 so as to perform cutting operation, so that the operation is convenient, and the safety factor is high; the cutting process and the single hydraulic prop after the lock 10 on the anchor cable is cut down can play a supporting role on the top plate, so that the danger of life health of personnel and equipment integrity caused by sudden roof fall is avoided, and the safety coefficient is high. The speed reducer 17 enables an operator to more easily operate the water cutting spray gun 4 when the operator controls the water cutting spray gun to rotate in a small range; the arrangement of the support short section 1 enables the anchor cable dismantling water cutting auxiliary device to have higher construction height, and can be used for installing a fixed speed reducer 17 and a water cutting spray gun 4; the arrangement of the first sleeve 12 and the second sleeve 16 enables the speed reducer 17 and the water cutting spray gun 4 to be capable of adjusting positions, and therefore the water cutting spray gun is suitable for different working environments; the first and second locking bolts 13 and 15 facilitate the fixation of the first and second sleeves 12 and 16, respectively.
Example 2
A water cutting auxiliary device for anchor cable dismantling comprises a single hydraulic prop 3, a water cutting spray gun 4 horizontally and rotatably mounted on a single hydraulic prop plunger and a flexible shaft 6 for controlling the water cutting spray gun 4 to rotate, wherein the lower end of a shaft core of the flexible shaft 6 is connected with a handle 7; and a support end supported by the single hydraulic prop plunger. The supporting end is the upper end of a single hydraulic prop plunger. The water cutting device is characterized by further comprising a speed reducer 17, wherein the input end of the speed reducer 17 is connected with the flexible shaft 6, and the output shaft of the speed reducer 17 is fixedly connected with the water cutting spray gun 4. The hydraulic prop is characterized by further comprising a connecting seat 18 fixed to the upper portion of the single hydraulic prop plunger, the fixing mode is welding or clamping, and the speed reducer 17 is fixed to the connecting seat 18.
When the anchor cable on the top plate of the underground roadway is removed, the water cutting spray gun 4 of the anchor cable removing water cutting auxiliary device is connected with a water cutting machine through a high-pressure rubber pipe 8. Standing the single hydraulic prop on a bottom plate below an anchor rope to be dismantled, injecting liquid into the single hydraulic prop by using a liquid injection gun, lifting the movable prop of the single hydraulic prop upwards until the upper end (supporting end) of the movable prop of the single hydraulic prop is propped against an iron tray 9 of the anchor rope to be dismantled, adjusting the position and the direction of the anchor rope dismantling water cutting auxiliary device before the supporting end is propped firmly, enabling the position relation between a water cutting spray gun 4 and a lockset 10 of the anchor rope to be dismantled to be suitable for water cutting operation, enabling the supporting end to prop against the iron tray 9 of the anchor rope to be dismantled after the adjustment is completed, enabling personnel to avoid the position under the anchor rope, starting a water cutting machine, and controlling the water cutting spray gun 4 to rotate by screwing a handle 7 so as to carry out the water cutting operation. After cutting off the tool to lock 10 of anchor rope, close the water cutting machine, carry out the pressure release operation to monomer hydraulic prop, the roof condition is carefully observed to the pressure release in-process, if the discovery roof has the slump, stops the pressure release operation, in time takes the support measure to the roof, ensures safety, if the roof does not have the slump sign, then the pressure release falls with monomer hydraulic prop, and then removes this kind of anchor rope demolishs water cutting auxiliary device.
Because there is danger, the construction position height of roof fall, the water cutting equipment among the prior art can't be applied to the cutting of tunnel roof anchor rope safely, conveniently and demolish work, and adopted the utility model provides a water cutting auxiliary device is torn open to the anchor rope, then can conveniently, safely carry out the cutting of tool to lock 10 on the anchor rope.
The anchor cable dismantling water cutting auxiliary device can be used for cutting and dismantling the anchor cable on the top plate of the underground roadway through matching with a water cutting machine, open fire or sparks can not be generated, and gas and coal dust explosion caused by cutting operation is avoided; personnel do not need to ascend, the single hydraulic prop plays a role in lifting the water cutting spray gun 4, and an operator can remotely control the water cutting spray gun 4 to rotate through the handle 7 of the flexible shaft 6 so as to perform cutting operation, so that the operation is convenient, and the safety factor is high; the cutting process and the single hydraulic prop after the lock 10 on the anchor cable is cut down can play a supporting role on the top plate, so that the danger of life health of personnel and equipment integrity caused by sudden roof fall is avoided, and the safety coefficient is high. The provision of the speed reducer 17 enables the operator to more easily operate when controlling the water-cutting torch 4 to perform small-amplitude rotation.
Example 3
A water cutting auxiliary device for anchor cable dismantling comprises a single hydraulic prop 3, a water cutting spray gun 4 horizontally and rotatably mounted on a single hydraulic prop plunger and a flexible shaft 6 for controlling the water cutting spray gun 4 to rotate, wherein the lower end of a shaft core of the flexible shaft 6 is connected with a handle 7; and a support end supported by the single hydraulic prop plunger. The supporting end is the upper end of a single hydraulic prop plunger. The water cutting spray gun is characterized by further comprising a connecting seat 18 fixed to the upper portion of the single hydraulic prop plunger, the fixing mode is welding or clamping, the water cutting spray gun 4 is horizontally and rotatably installed and fixed on the connecting seat 18 through a rotary connecting piece 19, and the rotary connecting piece 19 is fixedly welded between the water cutting spray gun 4 and the connecting seat 18.
When the anchor cable on the top plate of the underground roadway is removed, the water cutting spray gun 4 of the anchor cable removing water cutting auxiliary device is connected with a water cutting machine through a high-pressure rubber pipe 8. Standing the single hydraulic prop on a bottom plate below an anchor rope to be dismantled, injecting liquid into the single hydraulic prop by using a liquid injection gun, lifting the movable prop of the single hydraulic prop upwards until the upper end (supporting end) of the movable prop of the single hydraulic prop is propped against an iron tray 9 of the anchor rope to be dismantled, adjusting the position and the direction of the anchor rope dismantling water cutting auxiliary device before the supporting end is propped firmly, enabling the position relation between a water cutting spray gun 4 and a lockset 10 of the anchor rope to be dismantled to be suitable for water cutting operation, enabling the supporting end to prop against the iron tray 9 of the anchor rope to be dismantled after the adjustment is completed, enabling personnel to avoid the position under the anchor rope, starting a water cutting machine, and controlling the water cutting spray gun 4 to rotate by screwing a handle 7 so as to carry out the water cutting operation. After cutting off the tool to lock 10 of anchor rope, close the water cutting machine, carry out the pressure release operation to monomer hydraulic prop, the roof condition is carefully observed to the pressure release in-process, if the discovery roof has the slump, stops the pressure release operation, in time takes the support measure to the roof, ensures safety, if the roof does not have the slump sign, then the pressure release falls with monomer hydraulic prop, and then removes this kind of anchor rope demolishs water cutting auxiliary device.
The water cutting process can not generate sparks, so that the safety coefficient of cutting work in a coal mine underground by adopting a water cutting mode is higher. However, because there is roof fall danger, construction position is high, and the water cutting equipment among the prior art can't be applied to the cutting of tunnel roof anchor rope safely, conveniently and demolish work, and adopted the utility model provides a water cutting auxiliary device is torn open to the anchor rope, then can conveniently, safely carry out the cutting of tool to lock 10 on the anchor rope.
The anchor cable dismantling water cutting auxiliary device can be used for cutting and dismantling the anchor cable on the top plate of the underground roadway through matching with a water cutting machine, open fire or sparks can not be generated, and gas and coal dust explosion caused by cutting operation is avoided; personnel do not need to ascend, the single hydraulic prop plays a role in lifting the water cutting spray gun 4, and an operator can remotely control the water cutting spray gun 4 to rotate through the handle 7 of the flexible shaft 6 so as to perform cutting operation, so that the operation is convenient, and the safety factor is high; the cutting process and the single hydraulic prop after the lock 10 on the anchor cable is cut down can play a supporting role on the top plate, so that the danger of life health of personnel and equipment integrity caused by sudden roof fall is avoided, and the safety coefficient is high.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (9)
1. The anchor cable dismantling water cutting auxiliary device is characterized by comprising a single hydraulic prop (3), a water cutting spray gun (4) horizontally and rotatably mounted on a single hydraulic prop plunger and a flexible shaft (6) for controlling the water cutting spray gun (4) to rotate, wherein the lower end of a shaft core of the flexible shaft (6) is connected with a handle (7); and a support end supported by the single hydraulic prop plunger.
2. The anchor cable dismantling water cutting auxiliary device as claimed in claim 1, further comprising a speed reducer (17), wherein an input end of the speed reducer (17) is connected with the flexible shaft (6), and an output shaft of the speed reducer (17) is fixedly connected with the water cutting spray gun (4).
3. The anchor rope dismantling water cutting assist device as claimed in claim 1 or 2, wherein said support end is an upper end of a single hydraulic prop plunger.
4. The anchor cable dismantling water cutting auxiliary device as claimed in claim 1 or 2, wherein a support short section (1) is fixed on the plunger of the hydraulic prop, and the support end is the upper end of the support short section (1).
5. The anchor cable dismantling water cutting auxiliary device as claimed in claim 2, wherein a support short section (1) is fixed on a plunger of the single hydraulic prop, the support end is an upper end of the support short section (1), and the speed reducer (17) is fixed on the support short section (1).
6. The anchor cable dismantling water cutting auxiliary device as claimed in claim 5, wherein a horizontal connecting pipe (5) is fixed on the support short section (1), a first sleeve (12) is slidably sleeved on the horizontal connecting pipe (5), a first locking screw hole is formed in the wall of the first sleeve (12), and a first locking bolt (13) is engaged in the first locking screw hole; a fixed seat (14) is further fixed on the first sleeve (12), and the speed reducer (17) is fixed on the fixed seat (14).
7. The anchor cable dismantling water cutting auxiliary device as claimed in claim 6, wherein a second sleeve (16) is horizontally fixed on the output shaft of the speed reducer (17), the body of the water cutting spray gun (4) is slidably inserted into the second sleeve (16), a second locking screw hole is formed in the wall of the second sleeve (16), and a second locking bolt (15) is engaged in the second locking screw hole.
8. The anchor cable dismantling water cutting auxiliary device as claimed in claim 6, wherein the fixing seat (14) is in an L-shaped plate shape, a vertical portion of the fixing seat (14) is fixedly connected with a pipe wall of the first sleeve (12), a horizontal portion of the fixing seat (14) is provided with a connecting hole, and a shaft core of the flexible shaft (6) penetrates through the connecting hole to be connected with an input end of the speed reducer (17).
9. The anchor cable dismantling water cutting auxiliary device as claimed in claim 2, further comprising a connecting seat fixed on the upper portion of the single hydraulic prop plunger, wherein the speed reducer (17) is fixed on the connecting seat.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920569561.1U CN209849771U (en) | 2019-04-24 | 2019-04-24 | Anchor rope demolishs water cutting auxiliary device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920569561.1U CN209849771U (en) | 2019-04-24 | 2019-04-24 | Anchor rope demolishs water cutting auxiliary device |
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| CN209849771U true CN209849771U (en) | 2019-12-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038984A (en) * | 2019-04-24 | 2019-07-23 | 辽宁艾热机电科技有限公司 | A kind of anchor cable dismounting Water Cutting auxiliary device |
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2019
- 2019-04-24 CN CN201920569561.1U patent/CN209849771U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038984A (en) * | 2019-04-24 | 2019-07-23 | 辽宁艾热机电科技有限公司 | A kind of anchor cable dismounting Water Cutting auxiliary device |
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