CN113799049B - Spring dismounting tool for on-load switch tapping switch bolt mechanism and use method thereof - Google Patents
Spring dismounting tool for on-load switch tapping switch bolt mechanism and use method thereof Download PDFInfo
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- CN113799049B CN113799049B CN202111248158.7A CN202111248158A CN113799049B CN 113799049 B CN113799049 B CN 113799049B CN 202111248158 A CN202111248158 A CN 202111248158A CN 113799049 B CN113799049 B CN 113799049B
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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
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Abstract
The invention discloses a spring dismounting tool for a bolt mechanism of a tap switch of an on-load switch and a use method thereof, wherein the dismounting tool comprises a fixed clamp and a movable clamp, and the movable clamp comprises a movable clamp body, a guide rod and a movable clamp chuck which are arranged on the movable clamp body; the fixing clamp comprises a fixing clamp body, a fixing handle and a fixing clamp chuck, wherein the fixing handle and the fixing clamp chuck are arranged on the fixing clamp body, the fixing clamp chuck and the movable clamp chuck are arranged oppositely, a through hole for a guide rod to pass through is formed in the fixing clamp body, and a driving mechanism for driving the guide rod to move towards the fixing clamp body and temporarily clamp the guide rod is further arranged on the fixing clamp body. The invention can protect the maintainer from injury, simultaneously prevent the spring from distortion and deformation, prevent the spring from being ejected to hurt people, reduce the damage of the spring and the influence of the action performance of the switch caused during the disassembly and the assembly, and solve the problems that the manual disassembly is easy to cause personnel injury and the damage of the spring is caused during the disassembly with an improper tool, and the action performance of the switch is influenced.
Description
Technical Field
The invention belongs to the field of equipment overhaul, and particularly relates to a tool for disassembling and assembling springs of a bolt mechanism of a tap switch of an on-load switch and a use method of the tool.
Background
The on-load voltage regulating switch gun mechanism for transformer is used to provide switching energy for on-load voltage regulating switch. The mechanism action is realized by compressing and storing energy by two springs and then releasing the energy suddenly, the spring energy determines the switching speed of the switch, and the performance of the switch is directly influenced. The bolt mechanism relies on spring compression over dead center release to switch rapidly, completing bridging switching of two voltage level differences in about 50 milliseconds. If the time is too long, the bridging time is too long, so that the circulation action time generated between the two voltage stages is long, and the resistor for limiting the current is heated and blown by overcurrent for a long time, thereby causing the explosion of the switch. The spring dismounting test of the gun mechanism is not provided with a proper tool, and the spring is easy to damage due to long-term manual dismounting and damage caused by dismounting with an improper tool, so that the switch action performance is influenced.
Disclosure of Invention
The invention aims at overcoming the defects, and provides a switch capable of solving the problems that manual disassembly is easy to cause personnel injury and spring damage is caused when an improper tool is used for disassembly, and the action performance of the switch is affected.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the spring dismounting tool for the on-load switch tapping switch gun mechanism comprises a fixed clamp and a movable clamp, wherein the movable clamp comprises a movable clamp body, and a guide rod and a movable clamp chuck which are arranged on the movable clamp body; the fixing clamp comprises a fixing clamp body, a fixing handle and a fixing clamp chuck, wherein the fixing handle and the fixing clamp chuck are arranged on the fixing clamp body, the fixing clamp chuck and the movable clamp chuck are arranged oppositely, a through hole for the guide rod to pass through is formed in the fixing clamp body, and a driving mechanism for driving the guide rod to move towards the fixing clamp body and temporarily clamp the guide rod is further arranged on the fixing clamp body.
Further, the driving mechanism comprises a shaking handle, a friction pushing block, a pushing spring, an anti-back pushing block, an anti-back spring and a pushing button;
the fixing clamp body is provided with a cavity, a through hole in the fixing clamp body penetrates through the cavity, one end of the pushing spring is installed on the inner wall of the cavity far away from the penetration of the guide rod, the other end of the pushing spring is connected with the friction pushing block, the shaking handle is rotatably installed on the fixing clamp body, one end of the shaking handle penetrates through the cavity and is abutted to one side of the friction pushing block far away from the pushing spring, the anti-withdrawal jacking block is rotatably installed in the cavity, one end of the anti-withdrawal spring is installed on the inner wall of the cavity, the other end of the anti-withdrawal spring is abutted to one side of the anti-withdrawal jacking block far away from the penetration of the guide rod, the pushing button is slidably installed on the side of the fixing clamp body far away from the penetration of the guide rod and penetrates into the cavity, and when the pushing button slides inwards, the friction pushing block and the anti-withdrawal jacking block are respectively provided with action holes for the penetration of the guide rod.
Further, the guide rod is a square rod.
Further, U-shaped openings are formed in the end portions of the fixed clamp chuck and the movable clamp chuck.
Further, the tool for disassembling and assembling the spring of the on-load switch tapping switch gun mechanism further comprises a spring protection sleeve, wherein the spring protection sleeve is of an arc structure with an opening, and the arc structure is sleeved on the spring of the on-load switch tapping switch gun mechanism.
Further, the spring protection sleeve is of a round tube structure with three fourths of circumferences of an opening, and the inner diameter of the round tube structure is equal to the diameter of a spring of a trigger mechanism of the tap switch of the on-load switch.
Further, grooves for the fixed clamp chuck and the movable clamp chuck to enter are formed in the two ends of the spring protection sleeve.
The invention also provides a using method of the spring dismounting tool for the on-load switch tapping switch bolt mechanism, and the spring mounting method comprises the following steps:
s11, the guide rod penetrates through a through hole of the fixing clamp body, and at the moment, the movable clamp head and the fixing clamp head are oppositely arranged;
s12, adjusting the distance between the movable clamp and the fixed clamp to be slightly larger than the length of a bolt mechanism spring of the tap switch of the on-load switch, and clamping the movable clamp and the fixed clamp into two ends of the spring;
s13, driving the guide rod to move towards the clamping body direction of the fixed clamp through the driving mechanism so as to enable the movable clamp and the movable clamp head on the movable clamp to move towards the fixed clamp direction, and continuously compressing the spring through the movable clamp head and the fixed clamp head;
s14, when the length of the spring is smaller than the spring position of the mechanism box, the spring is placed in the corresponding spring mounting position in the mechanism box;
s15, one side of the spring is sleeved in the spring installation position of the mechanism box, the limit on the guide rod is released to release the spring, the other side of the spring is sleeved in the spring installation position of the mechanism box, and the spring installation of the loaded Guan Fenjie switch bolt mechanism is completed.
The invention also provides a using method of the tool for disassembling and assembling the spring of the bolt mechanism of the on-load switch tapping switch, and the method for disassembling the spring comprises the following steps:
s21, the guide rod penetrates through a through hole of the fixing clamp body, and at the moment, the movable clamp head and the fixing clamp head are oppositely arranged;
s22, adjusting the distance between the movable clamp and the fixed clamp to be slightly larger than the length of a bolt mechanism spring of the tap switch of the on-load switch, and clamping the movable clamp and the fixed clamp into two ends of the spring;
s23, driving the guide rod to move towards the clamping body direction of the fixed clamp through the driving mechanism so as to enable the movable clamp and the movable clamp head on the movable clamp to move towards the fixed clamp direction, and compressing the spring through the movable clamp head and the fixed clamp head;
s24, when the length of the spring is smaller than the spring position of the mechanism box, one side of the spring leaves the spring installation position of the mechanism box, and the spring can be taken out from the whole mechanism box;
s25, after the spring is taken out of the mechanism box, the limit on the guide rod is released to release the spring, and the spring of the on-load switch tapping switch gun mechanism is removed.
Compared with the prior art, the invention has the beneficial effects that: the tool for disassembling and assembling the spring of the on-load switch tapping switch gun mechanism and the use method thereof protect maintenance personnel from being damaged, simultaneously ensure that the spring is not distorted and deformed, not pop up to hurt people, reduce the influence of spring damage and switch action performance caused during disassembly and assembly, and solve the problems that personnel damage is easy to cause during manual disassembly and the spring damage is caused during disassembly by using an improper tool, and the switch action performance is influenced. The invention has the advantages of simple structure, simple assembly, small occupied space, light weight, scientific and practical operation, and no dependence on external driving.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic view of a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view (in part) of the guide rod of the present invention as it passes through the fixation clamp;
FIG. 3 is a schematic view of a spring protection sleeve according to a preferred embodiment of the present invention;
fig. 4 is a schematic illustration of the implementation of a preferred embodiment of the present invention.
Wherein the symbols shown in the figures are: 10-fixing clips; 11-a fixing clamp body; 12-fixing a handle; 13-fixing the clamp head; 14-shaking the handle; 15-friction pushing blocks; 16-a propulsion spring; 17-an anti-withdrawal top block; 18-an anti-return spring; 19-pushing the button; 110-cavity; 111-through holes; 20-a movable clamp; 21-a movable clamp body; 22-a guide rod; 23-a movable clamp head; 30-a spring protective sleeve; 40-a mechanism box; 50-on-load switch tap-changer bolt work spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that, the azimuth or positional relationship indicated by the term "inner" or the like is based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that is commonly put when the inventive product is used, only for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, 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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 3, a spring assembly and disassembly tool for a bolt mechanism of an on-load tap changer according to a preferred embodiment of the present invention includes a fixed clip 10, a movable clip 20 and a spring protection sleeve 30.
The movable clamp 20 comprises a movable clamp body 21, a guide rod 22 arranged on the movable clamp body 21 and a movable clamp head 23. In the preferred embodiment, the movable clamp body 21 has a square structure and is entirely square. The guide rod 22 is fixedly arranged on the side surface of the movable clamp body 21, and the movable clamp head 23 is fixedly arranged on the bottom surface of the movable clamp body 21, at this time, when the guide rod 22 moves, the movable clamp body 21 and the movable clamp head 23 thereon can be driven to move together.
The guide rod 22 is a square rod, specifically a square rod structure with a rectangular rod shape, and its cross section is square.
The end of the movable clamping head 23 is provided with a U-shaped opening, in this preferred embodiment, the movable clamping head 23 is of a sheet structure, the bottom end of the movable clamping head is provided with a U-shaped opening, and the U-shaped opening can be matched with the arc-shaped top surfaces of the mounting lugs at the two ends of the mounting clamping seat for the spring of the loaded opening Guan Fenjie switch bolt mechanism.
The fixing clip 10 includes a fixing clip body 11, a fixing handle 12 provided on the fixing clip body 11, and a fixing clip head 13. In the preferred embodiment, the fixing clip 11 has a square structure and is entirely square. The fixed handle 12 is fixedly installed at the top of the fixed clip body 11, and the fixed handle 12 has an arc-shaped side surface so that a user holds the fixed handle 12 on the arc-shaped side surface while holding it, thereby making the holding more comfortable. In the preferred embodiment, the fixed handle 12 and the fixed clamp body 11 are integrally formed. The fixing clip head 13 is fixedly arranged on the bottom surface of the fixing clip body 11. The end of the fixing clip 13 is provided with a U-shaped opening, in this preferred embodiment, the fixing clip 13 is of a sheet structure, the bottom end of the fixing clip is provided with a U-shaped opening, and the U-shaped opening can be matched with the arc-shaped top surfaces of the mounting lugs at the two ends of the mechanism box for loading the Guan Fenjie switch bolt mechanism spring. The fixed clamp jaw 13 and the movable clamp jaw 23 are arranged oppositely, so that when the guide rod 22 moves to drive the movable clamp body 21 and the movable clamp jaw 23 thereon to move together, the fixed clamp jaw 13 and the movable clamp jaw 23 have a movement toward or away from each other, and when the fixed clamp jaw 13 and the movable clamp jaw 23 are moved toward each other, the loaded bolt mechanism spring is clamped open Guan Fenjie and the spring is shortened.
The fixed clamp body 11 is provided with a through hole 111 for the guide rod 22 to pass through, the through hole 111 is a square hole which is matched with the peripheral structure of the guide rod 22, and the guide rod 22 can be inserted into the through hole 111 and can move along the through hole 111 so as to realize the movement of the fixed clamp head 13 and the movable clamp head 23 which are close to each other or far from each other.
The fixed clamp body 11 is also provided with a driving mechanism for driving the guide rod 22 to move towards the fixed clamp body 11 and temporarily clamping the guide rod 22, the guide rod 22 can be driven to move towards the fixed clamp body 11 through the driving mechanism, at the moment, the movable clamp body 21 and the movable clamp head 23 on the movable clamp body move towards the fixed clamp body 11 together, and the movable clamp head 23 moves towards the fixed clamp head 13 so that the movable clamp head and the fixed clamp body are close to each other, so that the spring of the on-load switch tapping switch gun mechanism is clamped and compressed. The drive mechanism also has the effect of temporarily gripping the guide bar 22 to maintain the position of the guide bar 22 on the fixed clamp jaw 13 and thus the distance between the fixed clamp jaw 13 and the movable clamp jaw 23 to maintain the compression of the on-load tap-changer bolt mechanism spring.
In the preferred embodiment, the drive mechanism includes a swing handle 14, a friction pushing block 15, a pushing spring 16, an anti-back jack block 17, an anti-back spring 18, and a push button 19.
The fixing clip body 11 is provided with a cavity 110, and in the preferred embodiment, the fixing clip body 11 is of a hollow structure inside to form the cavity 110.
The through hole 111 on the fixing clip body 11 passes through the cavity 110, and the through hole 111 is opened from one side of the fixing clip body 11 and completely penetrates through the other side. One end of the pushing spring 16 is arranged on the inner wall of the cavity 110 far away from the penetration of the guide rod 22, the other end of the pushing spring 16 is connected with the friction pushing block 15, the pushing spring 16 is a compression spring, the inner diameter of the pushing spring is larger than that of the guide rod 22 so that the guide rod 22 can penetrate through and is not contacted with the pushing spring 16, and the friction pushing block 15 is of a sheet-shaped structure. The rocking handle 14 is rotatably mounted on the top of the fixing clip body 11, one end of the rocking handle 14 penetrates into the cavity 110 and is abutted against one side of the friction pushing block 15 away from the pushing spring 16, the abutted part is the side surface of the top of the friction pushing block 15, a gap is formed at the end of the rocking handle 14 penetrating into the cavity 110, and when the guide rod 22 passes through, the rocking handle can just penetrate through the gap and is not contacted with the end of the rocking handle 14. The rocking handle 14 is arc-shaped and is located on the top of the fixed clamp body 11 together with the fixed handle 12, and when the rocking handle is used, a user holds the fixed handle 12 and the rocking handle 14 simultaneously, and presses the rocking handle 14 to enable the rocking handle 14 to swing downwards towards the fixed handle 12 to rotate. The anti-withdrawal block 17 is of a sheet structure, the bottom of the anti-withdrawal spring 18 is rotatably installed in the cavity 110, one end of the anti-withdrawal spring 18 is installed on the inner wall of the cavity 110, the other end of the anti-withdrawal spring 18 is abutted against one side, far away from the penetration of the guide rod 22, of the anti-withdrawal block 17, the anti-withdrawal spring 18 is a pressure spring and has a trend of driving the anti-withdrawal block 17 to rotate, the anti-withdrawal block 17 is in a slightly inclined state at this time, and the inner side diameter of the anti-withdrawal spring 18 is larger than that of the guide rod 22 so that the guide rod 22 can pass through and is not contacted with the anti-withdrawal spring 18. The friction pushing block 15 and the anti-withdrawal jacking block 17 are respectively provided with an action hole for the guide rod 22 to pass through, the action holes are square holes which are slightly larger than the guide rod 22, and the guide rod 22 passes through the fixing clamp body 11.
The pushing button 19 is slidably mounted on the side surface of the fixing clip body 11 penetrating the guide rod 22 and penetrating the cavity 110, and can push the anti-withdrawal jacking block 17 when the pushing button 19 slides inwards.
When the guide rod 22 is inserted into the action holes on the friction pushing block 15 and the anti-backing block 17, the shaking handle 14 is pressed to swing towards the direction of the fixed handle 12 to drive the friction pushing block 15 to move towards the direction away from the movable clamp 20, at the moment, the friction pushing block 15 is driven to move, and when the part where the shaking handle 14 is abutted is at the top side surface of the friction pushing block 15, the friction pushing block 15 is pushed by the end part of the shaking handle 14, the friction pushing block 15 has a certain inclination, the inclined friction pushing block 15 enables the action hole of the friction pushing block 15 to be in contact with the guide rod 22 and has a certain friction force, so that the guide rod 22 can be driven to move together, namely the movable clamp body 21 and the movable clamp 23 thereon are driven to move together towards the direction of the fixed clamp 10, when the guide rod 22 moves, the anti-backing block 17 is driven to rotate and compress the anti-backing spring 18, and when the anti-backing spring 18 is compressed to a certain amount and the anti-backing block 17 swings to a certain amount, the anti-backing block 17 can be driven to rotate towards the initial direction opposite to the movement direction of the guide rod 22, namely, at the moment, the inclined friction pushing block 15 is driven to move upwards, and the guide rod 22 is driven to move upwards, and the anti-backing spring 22 is driven to move towards the opposite to the direction of the movable clamp body 21, and the anti-backing block 22 is driven to move towards the opposite to the direction, and the anti-backing spring 16, and the anti-backing spring 22 is driven to move opposite to move under the action of the anti-backing spring, and the anti-backing block 16, and the anti-backing spring. The rocking handle 14 is pressed and released for a plurality of times, so that the guide rod 22 can move towards the direction of the fixed clamp 10, namely the movable clamp head 23 can move towards the direction of the fixed clamp head 13 continuously, and compression of a spring of a trigger mechanism of the on-load switch tapping switch is realized. When the limit on the guide rod 22 needs to be released, the pushing button 19 is pressed to push the anti-withdrawal block 17, so that the anti-withdrawal block 17 is basically in a state perpendicular to the guide rod 22, at the moment, the friction force between the anti-withdrawal block 17 and the guide rod 22 is smaller, the limit on the guide rod 22 by the anti-withdrawal block 17 is released, at the moment, the movable clamp head 23 and the fixed clamp head 13 have a mutual moving away trend under the action of a loaded switch tapping switch gun mechanism spring, or the movable clamp 20 is manually pulled, the movable clamp head 23 moves in a direction away from the fixed clamp head 13, and the compression of the loaded switch tapping switch gun mechanism spring is released.
The spring protection sleeve 30 is a circular arc structure with an opening, which is sleeved on the spring of the on-load switch tapping switch gun mechanism, and the opening is arranged on the side surface and extends from one end to the other end. In the preferred embodiment, the spring protection sleeve 30 is a circular tube structure with three-quarters of the circumference of the opening, the inner diameter of the circular tube structure is equal to the diameter of the on-load switch tapping switch bolt mechanism spring, at this time, the spring protection sleeve 30 can be sleeved from one end of the on-load switch bolt mechanism spring and basically wrapped on the outer side of the on-load switch tapping switch bolt mechanism spring, and because the spring protection sleeve 30 is of the circular tube structure with three-quarters of the circumference, on one hand, the on-load switch bolt mechanism spring cannot be discharged from the opening, on the other hand, the inner diameter of the circular tube structure is equal to the diameter of the on-load switch bolt mechanism spring, at this time, the on-load switch bolt mechanism spring can only be compressed, arc-shaped arch of the spring can be restrained, when the spring cannot be ejected, the spring protection sleeve 30 plays the role of preventing the on-load switch bolt mechanism spring from being ejected, and the spring from being ejected to hurt people can be effectively prevented. The spring protecting sleeve 30 has slots for the fixed clamp 13 and the movable clamp 23 to enter, and when the fixed clamp 13 and the movable clamp 23 are close to each other to compress the spring, the slots can enter the slots at the two ends of the spring protecting sleeve 30, and the structure makes the spring protecting sleeve 30 as long as possible to wrap the outside of the spring without obstructing the movement of the fixed clamp 13 and the movable clamp 23.
The invention also provides a method for using the spring dismounting tool of the on-load switch tapping switch bolt mechanism of the preferred embodiment, referring to fig. 4, the spring mounting method comprises the following steps:
s11, a guide rod 22 passes through a through hole 111 of the fixed clamp body 11, and the movable clamp head 23 and the fixed clamp head 13 are oppositely arranged at the moment;
s12, adjusting the distance between the movable clamp 23 and the fixed clamp 13 to be slightly larger than the length of a bolt mechanism spring 50 of the tap switch of the on-load switch, and clamping the movable clamp 23 and the fixed clamp 13 into two ends of the spring; before clamping the movable clamp head 23 and the fixed clamp head 13 into the two ends of the spring, the spring protection sleeve 30 is sleeved on the on-load switch tapping switch gun mechanism spring 50;
s13, driving the guide rod 22 to move towards the direction of the fixed clamp body 11 through the driving mechanism, and continuously pressing the shaking handle 14 to enable the movable clamp 20 and the movable clamp 23 on the movable clamp to move towards the direction of the fixed clamp 10, wherein at the moment, the movable clamp 23 and the fixed clamp 13 are mutually close to each other so as to continuously compress the spring through the movable clamp 23 and the fixed clamp 13;
s14, when the length of the spring is smaller than the spring position of the mechanism box 40, the spring is placed in the corresponding spring mounting position of the mechanism box 40;
s15, one side of the spring is sleeved in the spring installation position of the mechanism box 40, the pushing button 19 is pressed to release the spring by releasing the limit on the guide rod 22, at the moment, the on-load switch tapping switch bolt mechanism spring is released, the other side of the spring is sleeved in the spring installation position of the mechanism box 40, and the on-load switch bolt mechanism spring 50 is installed.
In the method for using the spring dismounting tool of the on-load switch tapping switch bolt mechanism, the spring dismounting method comprises the following steps:
s21, a guide rod 22 passes through a through hole 111 of the fixed clamp body 11, and the movable clamp head 23 and the fixed clamp head 13 are oppositely arranged at the moment;
s22, adjusting the distance between the movable clamp 23 and the fixed clamp 13 to be slightly larger than the length of a bolt mechanism spring 50 of the tap switch of the on-load switch, and clamping the movable clamp 23 and the fixed clamp 13 into two ends of the spring; before clamping the movable clamp head 23 and the fixed clamp head 13 into the two ends of the spring, the spring protection sleeve 30 is sleeved on the on-load switch tapping switch gun mechanism spring 50;
s23, driving the guide rod 22 to move towards the direction of the fixed clamp body 11 through the driving mechanism, and continuously pressing the shaking handle 14 to enable the movable clamp 20 and the movable clamp 23 on the movable clamp to move towards the direction of the fixed clamp 10, wherein at the moment, the movable clamp 23 and the fixed clamp 13 are mutually close to each other so as to compress a spring through the movable clamp 23 and the fixed clamp 13;
s24, when the length of the spring is smaller than the spring position of the mechanism box 40, one side of the spring leaves the spring installation position of the mechanism box 40, and the spring can be integrally taken out from the mechanism box 40;
s25, after the spring is taken out from the mechanism box 40, the pushing button 19 is pressed to release the limit on the guide rod 22 so as to release the spring, the movable clamp head 23 and the fixed clamp head 13 release the compression on the spring, and the on-load switch tapping switch gun mechanism spring 50 is removed.
The tool for disassembling and assembling the spring of the on-load switch tapping switch gun mechanism and the use method thereof protect maintenance personnel from being damaged, simultaneously ensure that the spring is not distorted and deformed, not pop up to hurt people, reduce the influence of spring damage and switch action performance caused during disassembly and assembly, and solve the problems that personnel damage is easy to cause during manual disassembly and the spring damage is caused during disassembly by using an improper tool, and the switch action performance is influenced. The invention has the advantages of simple structure, simple assembly, small occupied space, light weight, scientific and practical operation, and no dependence on external driving.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides an on-load switch tapping switch rifle bolt mechanism spring dismouting frock, includes fixation clamp (10) and activity clamp (20), its characterized in that:
the movable clamp (20) comprises a movable clamp body (21), a guide rod (22) arranged on the movable clamp body (21) and a movable clamp head (23);
the fixing clamp (10) comprises a fixing clamp body (11), a fixing handle (12) and a fixing clamp chuck (13), wherein the fixing handle (12) and the fixing clamp chuck (13) are arranged on the fixing clamp body (11), the fixing clamp chuck (13) and the movable clamp chuck (23) are oppositely arranged, a through hole (111) for the guide rod (22) to pass through is formed in the fixing clamp body (11), and a driving mechanism for driving the guide rod (22) to move towards the fixing clamp body (11) and temporarily clamp the guide rod (22) is further arranged on the fixing clamp body (11);
the spring protection sleeve (30) is of an arc structure with an opening, and the arc structure is sleeved on a spring of a bolt mechanism of the tap switch of the on-load switch;
the spring protection sleeve (30) is of a round tube structure with three fourths of circumferences of an opening, and the inner diameter of the round tube structure is equal to the diameter of a spring of a trigger mechanism of the tap switch of the on-load switch;
grooves for the fixed clamp head (13) and the movable clamp head (23) to enter are formed in the two ends of the spring protection sleeve (30), so that when the fixed clamp head (13) and the movable clamp head (23) are close to each other to compress a spring, the grooves can be formed in the two ends of the spring protection sleeve (30).
2. The on-load switch tap-changer bolt-a-mechanism spring dismounting tool of claim 1, wherein:
the driving mechanism comprises a shaking handle (14), a friction pushing block (15), a pushing spring (16), an anti-withdrawal jacking block (17), an anti-withdrawal spring (18) and a pushing button (19);
the utility model discloses a push button, including fixed clamp press from both sides body (11), fixed clamp press from both sides body (11) and is provided with cavity (110), through-hole (111) on fixed clamp press from both sides body (11) pass cavity (110), push spring (16) one end is installed on the inner wall that cavity (110) kept away from guide arm (22) and penetrates, the other end with friction propulsion piece (15) are connected, shake handle (14) rotation and install on fixed clamp press from both sides body (11), its one end penetrate cavity (110) and with friction propulsion piece (15) keep away from one side looks butt of push spring (16), prevent moving back kicking block (17) rotate and install in cavity (110), prevent moving back spring (18) one end and install on cavity (110) inner wall, the other end and prevent moving back kicking block (17) keep away from one side that guide arm (22) penetrated, push button (19) slidable mounting is on the side that fixed clamp press from body (11) guide arm (22) and penetrate cavity (110), and when push button (19) inwards slide, can move back kicking block (17) and prevent moving back on the hole (15) and let to move back respectively.
3. The on-load switch tap-changer bolt-a-mechanism spring dismounting tool of claim 1, wherein:
the guide rod (22) is a square rod.
4. The on-load switch tap-changer bolt-a-mechanism spring dismounting tool of claim 1, wherein:
u-shaped openings are formed in the end portions of the fixed clamp head (13) and the movable clamp head (23).
5. A method of using the spring disassembly tool for a bolt mechanism of an on-load tap changer according to any one of claims 1 to 4, wherein:
the spring mounting comprises the following steps:
s11, the guide rod (22) passes through a through hole (111) of the fixed clamp body (11), and the movable clamp head (23) and the fixed clamp head (13) are oppositely arranged at the moment;
s12, adjusting the distance between the movable clamp (23) and the fixed clamp (13) to be slightly larger than the length of a spring of a tapping switch bolt mechanism of the on-load switch, and clamping the movable clamp (23) and the fixed clamp (13) into two ends of the spring;
s13, driving the guide rod (22) to move towards the fixed clamp body (11) through the driving mechanism so as to enable the movable clamp (20) and the movable clamp head (23) on the movable clamp to move towards the fixed clamp (10), and continuously compressing the spring through the movable clamp head (23) and the fixed clamp head (13);
s14, when the length of the spring is smaller than the spring position of the mechanism box, the spring is placed in the corresponding spring mounting position in the mechanism box;
s15, one side of the spring is sleeved in the spring installation position of the mechanism box, the limit on the guide rod (22) is released to release the spring, the other side of the spring is sleeved in the spring installation position of the mechanism box, and the spring installation of the loaded Guan Fenjie switch bolt mechanism is completed.
6. A method of using the spring disassembly tool for a bolt mechanism of an on-load tap changer according to any one of claims 1 to 4, wherein:
the spring dismantling comprises the following steps:
s21, the guide rod (22) passes through a through hole (111) of the fixed clamp body (11), and the movable clamp head (23) and the fixed clamp head (13) are oppositely arranged at the moment;
s22, adjusting the distance between the movable clamp (23) and the fixed clamp (13) to be slightly larger than the length of a spring of a tapping switch bolt mechanism of the on-load switch, and clamping the movable clamp (23) and the fixed clamp (13) into two ends of the spring;
s23, driving the guide rod (22) to move towards the direction of the fixed clamp body (11) through the driving mechanism, so that the movable clamp (20) and the movable clamp head (23) on the movable clamp move towards the direction of the fixed clamp (10), and compressing the spring through the movable clamp head (23) and the fixed clamp head (13);
s24, when the length of the spring is smaller than the spring position of the mechanism box, one side of the spring leaves the spring installation position of the mechanism box, and the spring can be taken out from the whole mechanism box;
s25, after the spring is taken out of the mechanism box, the limit on the guide rod (22) is released to release the spring, and the on-load switch tapping switch gun mechanism spring is removed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111248158.7A CN113799049B (en) | 2021-10-26 | 2021-10-26 | Spring dismounting tool for on-load switch tapping switch bolt mechanism and use method thereof |
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| CN202111248158.7A CN113799049B (en) | 2021-10-26 | 2021-10-26 | Spring dismounting tool for on-load switch tapping switch bolt mechanism and use method thereof |
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| CN113799049B true CN113799049B (en) | 2023-09-01 |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR7501227U (en) * | 1995-07-18 | 1997-11-18 | Fernando Polino | Hardware arrangement for disassembling the spring / damper assembly |
| CN2917997Y (en) * | 2006-05-19 | 2007-07-04 | 张孔力 | Carpenters' clamps |
| CN201841521U (en) * | 2010-09-29 | 2011-05-25 | 常州市德春电器有限公司 | Device for assembling spring on spring shaft |
| CN203738705U (en) * | 2014-03-23 | 2014-07-30 | 国网山东莒南县供电公司 | Novel auxiliary tool for dismounting energy storage springs |
| CN104507642A (en) * | 2012-10-26 | 2015-04-08 | 哈蔡特沃克霍曼泽维有限责任两合公司 | Stationary spring tensioning device comprising a universal tension plate apparatus |
| CN205021469U (en) * | 2015-09-30 | 2016-02-10 | 北汽福田汽车股份有限公司 | Spring sectional fixture |
| CN107186638A (en) * | 2016-03-14 | 2017-09-22 | 上海齐迈五金有限公司 | A kind of telescopic quick clip |
| CN207344505U (en) * | 2017-09-14 | 2018-05-11 | 国网浙江省电力公司杭州供电公司 | Breaker of switch cabinet energy-stored spring replacer |
| CN109249349A (en) * | 2017-07-12 | 2019-01-22 | 平高集团有限公司 | A kind of spring assembly auxiliary handling tooling |
| CN110936331A (en) * | 2019-11-04 | 2020-03-31 | 广东电网有限责任公司 | Portable spring assembly and disassembly tools |
| CN210791339U (en) * | 2019-09-16 | 2020-06-19 | 象山骅马塑电有限公司 | Quick clamp for woodworker |
| CN113211383A (en) * | 2021-06-15 | 2021-08-06 | 郑州精通汽车零部件有限公司 | Spring assembly and disassembly tools |
| CN113427424A (en) * | 2021-06-30 | 2021-09-24 | 安徽安凯汽车股份有限公司 | Passenger train door air spring sectional fixture |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7784774B2 (en) * | 2006-04-19 | 2010-08-31 | Irwin Industrial Tool Company | Assembly method and apparatus |
| US8833210B2 (en) * | 2012-10-03 | 2014-09-16 | Hsin-Hsien Huang | Hand tool having a pressing spring |
-
2021
- 2021-10-26 CN CN202111248158.7A patent/CN113799049B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR7501227U (en) * | 1995-07-18 | 1997-11-18 | Fernando Polino | Hardware arrangement for disassembling the spring / damper assembly |
| CN2917997Y (en) * | 2006-05-19 | 2007-07-04 | 张孔力 | Carpenters' clamps |
| CN201841521U (en) * | 2010-09-29 | 2011-05-25 | 常州市德春电器有限公司 | Device for assembling spring on spring shaft |
| CN104507642A (en) * | 2012-10-26 | 2015-04-08 | 哈蔡特沃克霍曼泽维有限责任两合公司 | Stationary spring tensioning device comprising a universal tension plate apparatus |
| CN203738705U (en) * | 2014-03-23 | 2014-07-30 | 国网山东莒南县供电公司 | Novel auxiliary tool for dismounting energy storage springs |
| CN205021469U (en) * | 2015-09-30 | 2016-02-10 | 北汽福田汽车股份有限公司 | Spring sectional fixture |
| CN107186638A (en) * | 2016-03-14 | 2017-09-22 | 上海齐迈五金有限公司 | A kind of telescopic quick clip |
| CN109249349A (en) * | 2017-07-12 | 2019-01-22 | 平高集团有限公司 | A kind of spring assembly auxiliary handling tooling |
| CN207344505U (en) * | 2017-09-14 | 2018-05-11 | 国网浙江省电力公司杭州供电公司 | Breaker of switch cabinet energy-stored spring replacer |
| CN210791339U (en) * | 2019-09-16 | 2020-06-19 | 象山骅马塑电有限公司 | Quick clamp for woodworker |
| CN110936331A (en) * | 2019-11-04 | 2020-03-31 | 广东电网有限责任公司 | Portable spring assembly and disassembly tools |
| CN113211383A (en) * | 2021-06-15 | 2021-08-06 | 郑州精通汽车零部件有限公司 | Spring assembly and disassembly tools |
| CN113427424A (en) * | 2021-06-30 | 2021-09-24 | 安徽安凯汽车股份有限公司 | Passenger train door air spring sectional fixture |
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