CN111300337A - Assembling and disassembling tool and method for drainage plate of power transmission cable terminal rod - Google Patents
Assembling and disassembling tool and method for drainage plate of power transmission cable terminal rod Download PDFInfo
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- CN111300337A CN111300337A CN202010138631.5A CN202010138631A CN111300337A CN 111300337 A CN111300337 A CN 111300337A CN 202010138631 A CN202010138631 A CN 202010138631A CN 111300337 A CN111300337 A CN 111300337A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000002788 crimping Methods 0.000 claims description 35
- 238000003825 pressing Methods 0.000 claims description 23
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
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- Clamps And Clips (AREA)
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Abstract
The invention discloses a dismounting tool for a drainage plate of a transmission cable terminal rod, which belongs to the field of electric power overhaul equipment. The invention also discloses a method for disassembling and assembling the drainage plate of the transmission cable terminal rod. The drainage plate assembling and disassembling device has the advantage that the working efficiency of maintenance personnel during assembling and disassembling of the drainage plate can be improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a mounting and dismounting tool and a mounting and dismounting method for a drainage plate of a transmission cable terminal rod, and particularly belongs to the field of electric power overhaul equipment.
[ background of the invention ]
Be provided with the drainage plate at transmission line cable termination (strain insulator) shaft tower, the drainage plate usually with the wire jumper drainage crimping adopt bolted connection between the pipe, then need open the inspection with the drainage plate when examining and accepting the maintenance, the purpose is to have impurity in the inspection drainage plate, have or not electrically conductive fat, whether the connection condition is good, have impurity in the drainage plate will arouse the drainage plate abnormal heat generation, will lead to the drainage plate fusing to cause the broken string accident under the long-time heavy current condition. Therefore, the inspection of the drainage plate is a relatively frequent work in the electric power overhaul work.
At present, the types of the cable terminal towers of the transmission line are multiple, and the height of a part of the tower (such as an SDLZD-24 tower type) tension-resistant drainage plate from a platform is about 2-4 meters. The operating personnel holds the drainage plate bolt that manual torque wrench can't touch the low department, need tear open with the help of the rope ladder, the dress, and this type of tower rope ladder is hung and is established the position higher, and every looks diversion board dismouting all need hang and establish once, waste time and energy, work efficiency is low, utilize traditional manual torque wrench simultaneously, bolt one end needs to be fixed a position, the manual torque wrench of other end reuse, this is to utilizing the maintainer of the aerial operation of rope ladder, the operation degree of difficulty is bigger, work efficiency is not high.
[ summary of the invention ]
The invention aims to overcome the defects of the prior art and provides a dismounting tool and a dismounting method for a drainage plate of a power transmission cable terminal rod, which can improve the working efficiency of maintainers in dismounting the drainage plate.
The technical scheme adopted by the invention is as follows:
the utility model provides an assembly and disassembly tools of transmission cable terminal pole drainage plate, adopts bolt, nut to be connected between drainage plate and the wire jumper drainage crimping pipe on the transmission cable terminal pole, and assembly and disassembly tools is including the tight frame of clamp that is used for pressing from both sides tight drainage plate and wire jumper drainage crimping pipe, press from both sides tight frame including the mount and with the removal frame that mount relative slip set up, drainage plate and wire jumper drainage crimping pipe are pressed from both sides tightly between mount and removal frame, be equipped with between mount and the removal frame and be used for pushing away the top push rod of opening both to and be used for making both to draw close to each other reset spring, be equipped with the first locating sleeve with bolt one end location on the mount, be equipped with the second locating sleeve with the nut location on the removal frame, second locating sleeve rotates to be connected on removing the frame, and second locating sleeve is connected with electric torque.
The invention has the following beneficial effects:
the invention designs a set of disassembling and assembling tools specially used for disassembling and assembling a drainage plate to replace the traditional disassembling and assembling method, and mainly comprises a clamping frame, wherein the clamping frame is used for clamping the drainage plate and a jumper drainage pressing pipe, and subsequent steps of bolt positioning and nut rotation driving can be carried out only after the drainage plate and the jumper drainage pressing pipe are clamped by the clamping frame. By means of the clamping frame, a maintainer can realize remote disassembly and assembly by utilizing the distance of the clamping frame without being very close to the drainage plate, the safety is high, the hanging of the rope ladder is not required to be frequently adjusted, and the working efficiency can be obviously improved.
In addition, as described above, the driving for the second positioning sleeve is from the electric torque wrench, which is very convenient for the maintainer, that is, the maintainer can hold the clamping frame with one hand and control the electric torque wrench with the other hand, and the whole operation process is simple and convenient. Furthermore, if the switch of the electric torque wrench is arranged on the clamping frame in an extending way, even one-hand operation can be realized, which is very helpful for the maintenance personnel working in the air, and means that the other hand can be freed for some auxiliary work.
Preferably, the disassembling tool further comprises an auxiliary clamping rod which is used for clamping the jumper drainage crimping pipe independently.
Preferably, the auxiliary clamping rod comprises a U-shaped plate, a threaded hole is formed in one end of the U-shaped plate, a rotating screw is in threaded fit with the threaded hole, a pressing block is arranged on the rotating screw, and the pressing block and the other end of the U-shaped plate clamp the jumper drainage crimping pipe.
Preferably, the auxiliary clamping rod is fixedly connected with the fixing frame, the fixing frame is provided with a detachable battery pack, the auxiliary clamping rod is provided with a switch box, and the ejecting push rod and the electric torque wrench are connected with the switch box through cables.
Preferably, the fixed frame is fixed with two guide rods, the end parts of the guide rods are provided with limit ends, the moving frame is provided with guide holes for the guide rods to pass through, and the reset spring is arranged between the limit ends and the moving frame.
Preferably, a rotating shaft hole is formed in the moving frame, the second positioning sleeve is located on the inner side of the moving frame, an extending shaft is arranged on the second positioning sleeve, the extending shaft penetrates through the rotating shaft hole from the inner side of the moving frame to the outer side of the moving frame, a reset plate is arranged on the outer side of the moving frame, and the reset plate is connected with the extending shaft through a bearing.
Preferably, two reset rods are arranged on the outer side of the moving frame, the reset plate is inserted on the two reset rods, and a pressure spring is arranged between the end part of each reset rod and the corresponding reset plate.
Preferably, the outer end of the extension shaft is provided with a coupling groove connected with the electric torque wrench, and an axial sliding gap is formed between the coupling groove and the coupling end of the electric torque wrench.
In addition, the invention also discloses a method for disassembling and assembling the drainage plate of the transmission cable terminal rod, the drainage plate on the transmission cable terminal rod is connected with the jumper drainage crimping pipe by adopting bolts and nuts, the method is characterized by comprising a disassembling and assembling tool, the disassembling and assembling tool comprises a clamping frame for clamping the drainage plate and the jumper drainage crimping pipe, the clamping frame comprises a fixed frame and a movable frame which is arranged in a sliding way relative to the fixed frame, the drainage plate and the jumper drainage crimping pipe are clamped between the fixed frame and the movable frame, a jacking push rod for jacking the fixed frame and the movable frame and a reset spring for enabling the fixed frame and the movable frame to be close to each other are arranged between the fixed frame and the movable frame, a first positioning sleeve positioned at one end of the bolt is arranged on the fixed frame, a second positioning sleeve positioned with the nut is arranged on the movable frame, the second positioning sleeve is rotationally connected on the movable frame, and is connected with an electric torque, the disassembling tool further comprises an auxiliary clamping rod, and the auxiliary clamping rod is used for independently clamping the jumper drainage crimping pipe;
the method for dismounting the nut between the drainage plate and the jumper drainage pressing pipe comprises the following steps:
s1, operating the ejection push rod to extend, and ejecting the push rod to abut against the movable frame and separate from the fixed frame;
s2, aligning a first positioning sleeve on the fixing frame to the end part of a required bolt, sleeving the bolt into the first positioning sleeve, and aligning a second positioning sleeve to a nut;
s3, operating the ejection push rod to retract, driving the moving frame to move towards the fixed frame by the reset spring, enabling the nut to be sleeved into the second positioning sleeve, and clamping the drainage plate and the jumper drainage pressure connecting pipe by the clamping frame;
s4, operating the auxiliary clamping rod to enable the auxiliary clamping rod to clamp the jumper drainage crimping pipe;
s5, starting the electric torque wrench, loosening the nut by the second positioning sleeve to finish the screwing off of the nut from the bolt;
s6, operating the ejection push rod again to extend to enable the movable frame and the fixed frame to be separated again, and then operating the auxiliary clamping rod again to enable the auxiliary clamping rod and the jumper drainage compression joint pipe to be separated, so that the first nut dismounting work is completed;
the nut installation method between the drainage plate and the jumper drainage pressing connection pipe comprises the following steps:
t1, operating the ejection push rod to extend, so that the ejection push rod abuts against the movable frame and is separated from the fixed frame;
t2, clamping the jumper drainage crimping pipe by using the auxiliary clamping rod, firstly putting a bolt into the jumper drainage crimping pipe, and putting a nut into the second positioning sleeve;
t3, holding the auxiliary clamping rod, lifting the whole assembly and disassembly tool, aligning the bolt with the mounting hole on the drainage plate, operating the ejection push rod to retract, and driving the movable frame to move towards the fixed frame by the reset spring so as to clamp the drainage plate and the jumper drainage crimping pipe;
t4, starting an electric torque wrench, and screwing a nut by a second positioning sleeve;
t5, operating the jacking push rod again to extend the jacking push rod, separating the moving frame from the fixed frame again, then loosening the auxiliary clamping rod, separating the auxiliary clamping rod from the jumper drainage compression joint pipe, and completing the installation work of the first nut.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a diagram illustrating a state of misalignment between a removal tool and a flow guide plate according to an embodiment of the present invention;
FIG. 2 is a first view of a first state in which a first removal tool is aligned with a flow guide plate according to an embodiment of the present invention;
FIG. 3 is a second view of a first embodiment of the present invention when the removal tool is aligned with the flow guide plate.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the following description, the terms such as "inner", "outer", "upper", "lower", "left", "right", etc., which indicate orientations or positional relationships, are used for convenience in describing embodiments and simplifying descriptions, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Example one
As shown in fig. 1 to 3, a dismounting tool for a drainage plate of a transmission cable terminal rod, wherein the drainage plate 11 on the transmission cable terminal rod is connected with a jumper drainage crimping tube 12 by a bolt 13 and a nut 14, the dismounting tool comprises a clamping frame for clamping the drainage plate 11 and the jumper drainage crimping tube 12, the clamping frame comprises a fixed frame 21 and a movable frame 22 arranged in a sliding manner relative to the fixed frame 21, the drainage plate 11 and the jumper drainage crimping tube 12 are clamped between the fixed frame 21 and the movable frame 22, a pushing-open push rod 3 for pushing the fixed frame 21 and the movable frame 22 open and a return spring 4 for enabling the fixed frame 21 and the movable frame 22 to approach each other, a first positioning sleeve 51 for positioning one end of the bolt 13 is arranged on the fixed frame 21, a second positioning sleeve 52 for positioning the nut 14 is arranged on the movable frame 22, and the second positioning sleeve 52 is rotatably connected to the movable frame 22, an electric torque wrench, not shown in the figures, is connected to the second positioning sleeve 52. The pushing rod 3 is an electric pushing rod, which mainly includes a driving motor 31, an outer tube 32 and a telescopic inner tube 33, and the specific structure of the electric pushing rod is disclosed in the prior art and will not be described herein.
In this embodiment, a set of assembling and disassembling tool specially used for assembling and disassembling the drainage plate 11 is designed to replace a traditional assembling and disassembling method, and the assembling and disassembling tool mainly comprises a clamping frame, the clamping frame is used for clamping the drainage plate 11 and the jumper drainage pressure welding pipe 12, and only after the clamping frame clamps the drainage plate 11 and the jumper drainage pressure welding pipe 12, subsequent steps of positioning the bolt 13 and driving the nut 14 to rotate can be performed, when the clamping frame clamps the drainage plate 11 and the jumper drainage pressure welding pipe 12, the first positioning sleeve 51 on the fixing frame 21 and the second positioning sleeve 52 on the moving frame 22 are respectively positioned with the bolt 13 and the nut 14, the first positioning sleeve 51 is not rotated, and the second positioning sleeve 52 is connected with an electric torque wrench, when the electric torque wrench rotates, the second positioning sleeve 52 is driven to rotate, so that the nut 14 is unscrewed from the bolt 13. By means of the clamping frame, a maintainer can realize remote disassembly and assembly by utilizing the distance of the clamping frame without being very close to the drainage plate 11, the safety is high, and the hanging of the rope ladder is not required to be frequently adjusted, so that the working efficiency can be obviously improved.
In addition, as mentioned above, the driving for the second positioning sleeve 52 comes from the electric torque wrench, which is very convenient for the service personnel, i.e. the service personnel can hold the clamping frame with one hand and control the electric torque wrench with the other hand, and the whole operation process is simple and convenient. Furthermore, if the switch of the electric torque wrench is arranged on the clamping frame in an extending way, even one-hand operation can be realized, which is very helpful for the maintenance personnel working in the air, and means that the other hand can be freed for some auxiliary work.
In addition, in the actual dismouting in-process, when bolt 13, nut 14 between drainage plate 11 and jumper drainage crimping pipe 12 only leave a set of, the condition that can take place rotation each other between drainage plate 11 and the jumper drainage crimping pipe 12, can produce certain interference to screw 14 unscrewing under this condition, in order to solve this technical problem, the assembly and disassembly tools still includes supplementary clamp bar 6, supplementary clamp bar 6 is used for pressing from both sides alone jumper drainage crimping pipe 12, utilizes an individual supplementary clamp bar 6 can fix with jumper drainage crimping pipe 12 alone for better dismouting.
The auxiliary clamping rod 6 is preferably fixedly connected with the fixing frame 21, so that the maintainer only needs to hold the auxiliary clamping rod 6 to operate, the auxiliary clamping rod 6 and the fixing frame 21 can be held at the same time, and the other hand can be released. In addition, in the present embodiment, it is preferable that the switch of the electric torque wrench and the switch of the push-open push rod 3 are extended to the auxiliary clamp rod 6 through cables, and at the same time, one switch box 64 is provided on the auxiliary clamp rod 6, and the switch box 64 is provided with a corresponding switch button, so that the maintenance worker can operate the fixing frame 21, the auxiliary clamp rod 6, the electric torque wrench, and the push-open push rod 3 by holding the auxiliary clamp rod 6. In order to supply power to the components such as the ejection push rod 3 and the electric torque wrench, in this embodiment, a battery slot 211 is provided on the fixing frame, and a battery pack is inserted into the battery slot 211, which is not shown in the figure.
Regarding the structure of the auxiliary clamping rod 6, in this embodiment, the auxiliary clamping rod 6 includes a U-shaped plate 61, the U-shaped plate 61 is fixedly connected to the fixing plate through a connecting plate, the U-shaped plate 61 includes an upper pressing plate 611 and a lower pressing plate 612, a threaded hole is formed in the lower pressing plate 612 at the lower end of the U-shaped plate 61, a rotating screw 62 is screwed into the threaded hole, when the rotating screw 62 rotates, the rotating screw can ascend or descend relative to the lower pressing plate 612, a pressing block 621 is formed in the rotating screw 62, the pressing block 621 is fixedly connected to the rotating screw 62, when clamping is required, the jumper drain pressure connection pipe 12 is positioned between the pressing block 621 and the upper pressing plate 611 at the upper end of the U-shaped plate 61, and the rotating screw 62 is rotated to clamp the jumper drain pressure connection.
For the specific structure of the return spring 4, two guide rods 40 are fixed on the fixed frame 21, and two guide rods 40 are arranged, so that the movable frame 22 and the fixed frame 21 do not rotate and only move relatively, a limiting end 41 is arranged at the end part of each guide rod 40, a guide hole for the guide rod 40 to pass through is arranged on the movable frame 22, and the return spring 4 is arranged between the limiting end 41 and the movable frame 22. In an actual working environment, the vertical lengths of the fixed frame 21 and the movable frame 22 may be different, but considering that if the vertical distance between the guide rod 40 and the second positioning sleeve 52 is too far, the pre-tightening force of the return spring 4 on the second positioning sleeve 52 may be insufficient, the vertical distance between the guide rod 40 and the second positioning sleeve 52 is preferably between 0.5m and 1.2 m.
For the mounting structure of the ejection push rod 3, a threaded hole is formed in the fixing frame 21, the ejection push rod 3 is connected with the threaded hole in a matched mode, one end of the ejection push rod 3 abuts against the moving frame 22, and a twisting handle 31 is arranged at the other end of the ejection push rod 3. The pushing-open push rod 3 is used to push against the moving frame 22 and move in the direction away from the fixed frame 21, when the pushing-open push rod 3 moves relatively towards the fixed frame 21 side, the moving frame 22 will move towards the fixed frame 21 again under the action of the return spring 4.
In this embodiment, a reset structure is further provided for the second positioning sleeve 52, specifically, a rotating shaft hole 221 is provided on the moving frame 22, the second positioning sleeve 52 is located on the inner side of the moving frame 22, the second positioning sleeve 52 is provided with an extending shaft 53, the extending shaft 53 passes through the rotating shaft hole 221 from the inner side of the moving frame 22 to the outer side of the moving frame 22, a reset plate 54 is provided on the outer side of the moving frame 22, the reset plate 54 and the extending shaft 53 are connected by a bearing, that is, the axial direction between the reset plate 54 and the extending shaft 53 is relatively fixed, but the directions of the reset plate 54 and the extending shaft 53 are freely rotatable in the circumferential direction, where both the axial direction and the circumferential direction are relative to the extending shaft 53. Two reset rods are arranged on the outer side of the moving frame 22, the reset plate 54 is inserted on the two reset rods, and a pressure spring 55 is arranged between the end part of the reset rod and the reset plate 54. When the second positioning sleeve 52 is unscrewed from the nut 14, the compression spring 55 is compressed, thereby moving the extension shaft 53. Meanwhile, the pressure spring 55 also provides a certain pretightening force for the second positioning sleeve 52, so that the sleeving stability between the second positioning sleeve 52 and the nut 14 is better.
In addition, in view of the large engaging force between the bolt 13 and the nut 14, when the second positioning sleeve 52 rotates, there may be a problem that the nut 14 is disengaged from the second positioning sleeve 52, and to solve such technical problems, in the present embodiment, a rotary electromagnet is connected to the second positioning sleeve 52, and the structure of the rotary electromagnet is widely disclosed in the prior art and not described herein, and when the rotary electromagnet is powered on and off to generate a suction force, the suction force between the second positioning sleeve 52 and the nut 14 may be always maintained, and when the nut 14 is unscrewed from the bolt 13, the nut 14 may be taken out from the second positioning sleeve 52 in a power-off manner. The rotary electromagnet is connected with the detachable battery pack through a cable, and the rotary electromagnet is connected with the switch box 64 through a cable.
In addition, in this embodiment, in order to fix the electric torque wrench conveniently, the movable frame 22 of this embodiment is provided with a fixing ring 223 for fixing the electric torque wrench. In order to solve the technical problem that the electric torque wrench is fixed and is limited in the axial direction of the extension shaft 53, but the extension shaft 53 itself moves in the axial direction, the outer end of the extension shaft 53 is provided with a coupling groove 531 connected with the electric torque wrench, and an axial sliding gap exists between the coupling groove 531 and the coupling end of the electric torque wrench. This allows the extension shaft 53 to move relative to the power torque wrench without affecting the coupling between the two.
The disassembling and assembling method of the disassembling and assembling tool of the embodiment is as follows:
dismounting method of the nut 14:
s1, operating the ejection push rod 3 to extend the ejection push rod 3, and enabling the ejection push rod 3 to abut against the movable frame 22 to separate the movable frame 22 from the fixed frame 21;
s2, aligning the first positioning sleeve 51 on the fixing frame 21 to the end of the required bolt 13, sleeving the bolt 13 into the first positioning sleeve 51, and aligning the second positioning sleeve 52 to the nut 14;
s3, the pushing rod 3 is operated to be pushed open to contract, the return spring 4 starts to drive the moving frame 22 to move towards the fixed frame 21, the nut 14 is sleeved into the second positioning sleeve 52, and the clamping frame is equivalent to clamping the drainage plate 11 and the jumper drainage pressure connecting pipe 12;
s4, screwing the auxiliary clamping rod 6 to enable the auxiliary clamping rod 6 to clamp the jumper drainage crimping pipe 12;
s5, starting the electric torque wrench, unscrewing the nut 14 by the second positioning sleeve 52, and compressing the compression spring 55 at the position of the reset plate 54 by the second positioning sleeve 52 in the unscrewing process so as to finish unscrewing the nut 14 from the bolt 13;
s6, operating the ejection push rod 3 again to extend the ejection push rod, separating the moving frame 22 from the fixed frame 21 again, and then screwing the auxiliary clamping rod 6 to separate the auxiliary clamping rod 6 from the jumper drainage pressure welding pipe 12, thereby completing the dismounting work of the first nut 14;
this may be repeated for the removal of a second, third, etc. nut 14.
The installation method between the drainage plate 11 and the jumper drainage crimping pipe 12 comprises the following steps:
t1, operating the ejection push rod 3 to extend the ejection push rod 3, and ejecting the ejection push rod 3 to abut against the movable frame 22 to separate the movable frame 22 from the fixed frame 21;
t2, clamping the jumper drainage crimping pipe 12 by using the auxiliary clamping rod 6, putting the bolt 13 into the jumper drainage crimping pipe 12, and putting the nut 14 into the second positioning sleeve 52;
t3, holding the auxiliary clamping rod 6, lifting the whole assembly and disassembly tool, aligning the bolt 13 with the mounting hole on the drainage plate 11, operating the jacking push rod 3 to retract, and starting the reset spring 4 to drive the movable frame 22 to move towards the fixed frame 21 so as to clamp the drainage plate 11 and the jumper drainage crimping tube 12;
t4, start the electric torque wrench, the second positioning socket 52 tighten the nut 14;
t5, finally, operating the jacking push rod 3 again to extend the jacking push rod so as to separate the moving frame 22 from the fixed frame 21 again, and then screwing the auxiliary clamping rod 6 so as to separate the auxiliary clamping rod 6 from the jumper drainage pressure welding pipe 12, thereby completing the installation work of the first nut 14;
this may be repeated for the installation of a second, third, etc. nut 14.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. A dismounting tool for a drainage plate of a transmission cable terminal pole is characterized in that the drainage plate on the transmission cable terminal pole is connected with a jumper drainage pressing pipe by bolts and nuts, it is characterized in that the dismounting tool comprises a clamping frame for clamping the drainage plate and the jumper drainage pressing pipe, the clamping frame comprises a fixed frame and a movable frame which is arranged in a sliding way relative to the fixed frame, the drainage plate and the jumper drainage pressing pipe are clamped between the fixed frame and the movable frame, a jacking push rod for jacking the fixed frame and the movable frame is arranged between the fixed frame and the movable frame, and a return spring for making the two close to each other, a first positioning sleeve positioned with one end of the bolt is arranged on the fixed frame, the movable rack is provided with a second positioning sleeve positioned with the nut, the second positioning sleeve is rotatably connected to the movable rack, and the second positioning sleeve is connected with an electric torque wrench.
2. The assembly and disassembly tool of an electrical transmission cable termination pole drainage plate of claim 1, further comprising an auxiliary clamping bar for individually clamping the jumper drain crimp tube.
3. The tool for removing and installing the drainage plate of the power transmission cable terminal rod as claimed in claim 2, wherein the auxiliary clamping rod comprises a U-shaped plate, a threaded hole is formed in one end of the U-shaped plate, a rotating screw is in threaded fit with the threaded hole, a pressing block is arranged on the rotating screw, and the pressing block and the other end of the U-shaped plate clamp the jumper drainage crimping pipe.
4. The tool for disassembling and assembling the drainage plate of the power transmission cable terminal rod of claim 2, wherein the auxiliary clamping rod is fixedly connected with a fixing frame, a detachable battery pack is arranged on the fixing frame, a switch box is arranged on the auxiliary clamping rod, and the ejecting push rod and the electric torque wrench are connected with the switch box through cables.
5. The tool for removing and installing the drainage plate of the power transmission cable terminal rod as claimed in claim 4, wherein a rotary electromagnet is connected to the second positioning sleeve, the rotary electromagnet is connected to the detachable battery pack through a cable, and the rotary electromagnet is connected to the switch box through a cable.
6. The tool for removing and installing the drainage plate of the power transmission cable terminal rod as claimed in claim 1, wherein two guide rods are fixed on the fixing frame, the end parts of the guide rods are provided with limiting ends, the moving frame is provided with guide holes for the guide rods to pass through, and the return spring is arranged between the limiting ends and the moving frame.
7. The tool for removing and installing the drainage plate of the power transmission cable terminal rod as claimed in claim 1, wherein the movable frame is provided with a rotating shaft hole, the second positioning sleeve is positioned on the inner side of the movable frame, the second positioning sleeve is provided with an extending shaft, the extending shaft passes through the rotating shaft hole from the inner side of the movable frame to the outer side of the movable frame, the outer side of the movable frame is provided with a reset plate, and the reset plate is connected with the extending shaft through a bearing.
8. The tool for removing and installing the drainage plate of the power transmission cable terminal rod as claimed in claim 7, wherein two release rods are disposed on the outer side of the movable frame, the release plate is inserted into the two release rods, and a compression spring is disposed between the end of the release rod and the release plate.
9. The tool for removing a current drainage plate from a power transmission cable terminal rod of claim 7, wherein the outer end of the extension shaft is provided with a coupling groove for connection with an electric torque wrench, and an axial sliding gap is formed between the coupling groove and the coupling end of the electric torque wrench.
10. A method for assembling and disassembling a drainage plate of a transmission cable terminal rod is characterized in that the drainage plate on the transmission cable terminal rod is connected with a jumper drainage crimping pipe through bolts and nuts, the method comprises an assembling and disassembling tool, the assembling and disassembling tool comprises a clamping frame for clamping the drainage plate and the jumper drainage crimping pipe, the clamping frame comprises a fixed frame and a movable frame which is arranged in a sliding mode relative to the fixed frame, the drainage plate and the jumper drainage crimping pipe are clamped between the fixed frame and the movable frame, a jacking push rod for jacking the fixed frame and the movable frame and a reset spring for enabling the fixed frame and the movable frame to be close to each other are arranged between the fixed frame and the movable frame, a first positioning sleeve for positioning one end of each bolt is arranged on the fixed frame, a second positioning sleeve for positioning the corresponding nut is arranged on the movable frame, the second positioning sleeve is rotationally connected to the movable frame, and is connected with an electric torque, the disassembling tool further comprises an auxiliary clamping rod, and the auxiliary clamping rod is used for independently clamping the jumper drainage crimping pipe;
the method for dismounting the nut between the drainage plate and the jumper drainage pressing pipe comprises the following steps:
s1, operating the ejection push rod to extend, and ejecting the push rod to abut against the movable frame and separate from the fixed frame;
s2, aligning a first positioning sleeve on the fixing frame to the end part of a required bolt, sleeving the bolt into the first positioning sleeve, and aligning a second positioning sleeve to a nut;
s3, operating the ejection push rod to retract, driving the moving frame to move towards the fixed frame by the reset spring, enabling the nut to be sleeved into the second positioning sleeve, and clamping the drainage plate and the jumper drainage pressure connecting pipe by the clamping frame;
s4, operating the auxiliary clamping rod to enable the auxiliary clamping rod to clamp the jumper drainage crimping pipe;
s5, starting the electric torque wrench, loosening the nut by the second positioning sleeve to finish the screwing off of the nut from the bolt;
s6, operating the ejection push rod again to extend to enable the movable frame and the fixed frame to be separated again, and then operating the auxiliary clamping rod again to enable the auxiliary clamping rod and the jumper drainage compression joint pipe to be separated, so that the first nut dismounting work is completed;
the nut installation method between the drainage plate and the jumper drainage pressing connection pipe comprises the following steps:
t1, operating the ejection push rod to extend, so that the ejection push rod abuts against the movable frame and is separated from the fixed frame;
t2, clamping the jumper drainage crimping pipe by using the auxiliary clamping rod, firstly putting a bolt into the jumper drainage crimping pipe, and putting a nut into the second positioning sleeve;
t3, holding the auxiliary clamping rod, lifting the whole assembly and disassembly tool, aligning the bolt with the mounting hole on the drainage plate, operating the ejection push rod to retract, and driving the movable frame to move towards the fixed frame by the reset spring so as to clamp the drainage plate and the jumper drainage crimping pipe;
t4, starting an electric torque wrench, and screwing a nut by a second positioning sleeve;
t5, operating the jacking push rod again to extend the jacking push rod, separating the moving frame from the fixed frame again, then loosening the auxiliary clamping rod, separating the auxiliary clamping rod from the jumper drainage compression joint pipe, and completing the installation work of the first nut.
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| CN202010138631.5A CN111300337B (en) | 2020-03-03 | 2020-03-03 | Disassembling tool and disassembling method for drainage plate of transmission cable terminal rod |
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| CN202010138631.5A CN111300337B (en) | 2020-03-03 | 2020-03-03 | Disassembling tool and disassembling method for drainage plate of transmission cable terminal rod |
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| CN111300337B CN111300337B (en) | 2024-05-17 |
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| CN113751758A (en) * | 2021-09-28 | 2021-12-07 | 国网山东省电力公司嘉祥县供电公司 | Overhauling tool and method for low-voltage electrician |
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| CN114473469A (en) * | 2022-03-09 | 2022-05-13 | 国网智能科技股份有限公司 | Overhead transmission line drainage plate bolt fastening device, robot and method |
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