CN211915585U - Electric drill for punching vertical connecting rod of isolating switch - Google Patents
Electric drill for punching vertical connecting rod of isolating switch Download PDFInfo
- Publication number
- CN211915585U CN211915585U CN202020375262.7U CN202020375262U CN211915585U CN 211915585 U CN211915585 U CN 211915585U CN 202020375262 U CN202020375262 U CN 202020375262U CN 211915585 U CN211915585 U CN 211915585U
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- Prior art keywords
- connecting rod
- vertical connecting
- cover
- rod
- electric drill
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- 238000004080 punching Methods 0.000 title claims description 10
- 238000005553 drilling Methods 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 238000009423 ventilation Methods 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 14
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 14
- 241001330002 Bambuseae Species 0.000 abstract description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 14
- 239000011425 bamboo Substances 0.000 abstract description 14
- 238000003825 pressing Methods 0.000 abstract description 7
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model discloses an isolator vertical connecting rod punches and uses electric drill, which comprises a housin, install the motor in the casing, connect the perpendicular handle at the casing lower extreme, establish at the casing front end and with the output shaft's of motor chuck, install the drilling rod at the chuck front end, outside the drilling rod by back to preceding cover in proper order be equipped with location cover and a location section of thick bamboo, location cover and casing rigid coupling, a location section of thick bamboo passes through T shape guide bar and location cover sliding connection, the cover is equipped with compression spring on the T shape guide bar between a location cover and a location section of thick bamboo, a location section of thick bamboo is by compression spring drive and drilling rod front end alignment arrangement. The utility model discloses can get into through the location section of thick bamboo of suit outside the drilling rod and embrace the screw hole on pressing from both sides, when the drilling rod is rotatory, under the separation effect of a location section of thick bamboo, the drilling rod passes the internal thread that can not wear and tear the screw hole when embracing the screw hole on pressing from both sides, convenient reaching through embracing the screw hole on pressing from both sides and beat the purpose of constant head tank on perpendicular connecting rod, saved the time, and then improved work efficiency, shortened the power off time.
Description
Technical Field
The utility model relates to an electric power overhauls the instrument field, especially relates to an isolator perpendicular connecting rod punches and uses electric drill.
Background
In recent years, with the progress of routine tests, inspection and maintenance and operation of 220kV spacer equipment, the 220kVGW16/17 type disconnecting switch produced 2006 and 2007 sometimes has the situation that the opening and closing are not in place during the opening and closing process. As shown in fig. 2, the main reason for this is that the clasping clip b acting on the vertical link a of the disconnecting switch is loosened, so that the vertical link a slips in the clasping clip b, and when the clasping clip b rotates along with the output shaft c of the transmission mechanism, the vertical link a cannot synchronously rotate due to the slip, so that the switching-on and switching-off are not in place. In order to solve the above problem, a threaded hole b1 is usually formed in the clip b and arranged along the radial direction of the vertical link a, a stop nail d is screwed into the threaded hole b1, and the stop nail d abuts against the vertical link a in the clip b, thereby further tightly fixing the vertical link a in the clip b.
However, in long-term practice, we find that the vertical link a is loosened again only by the pressing force when the stop nail d is in line contact with the vertical link a. In order to further solve the not hard up problem of vertical connecting rod a, maintainer can make the constant head tank of beating out on the vertical connecting rod a with ending the department that position nail d corresponds usually with the electric drill, will end position nail d and directly penetrate the constant head tank on the vertical connecting rod a, through the constant head tank with end the further purpose that reaches more firm fixed vertical connecting rod a of position nail d's cooperation. When a positioning groove is drilled on the vertical connecting rod a, in order to prevent the position of the positioning groove from deviating and ensure that the internal thread of the threaded hole b1 of the original holding clamp is not damaged, the disconnecting switch operating mechanism is generally disassembled, the holding clamp and the vertical connecting rod are disassembled, and the vertical connecting rod is placed on a tool table for professional drilling. However, the operation is troublesome and impractical in the process, a great deal of time is consumed in the processes of disassembly and installation of the isolating switch operating mechanism, drilling of the vertical connecting rod and the like, the power failure time is prolonged indirectly, and the power supply reliability and the economic benefit of a power grid are seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide one kind neither can damage the screw hole internal thread, isolator vertical rod that simple operation again punches electric drill.
The utility model provides an isolator vertical connecting rod punches electric drill, which comprises a housin, install the motor in the casing, connect the perpendicular handle at the casing lower extreme, establish at the casing front end and with the output shaft's of motor chuck, install the drilling rod at the chuck front end, outside the drilling rod by back to preceding cover in proper order be equipped with location cover and a location section of thick bamboo, location cover and casing rigid coupling, a location section of thick bamboo passes through T shape guide bar and location cover sliding connection, the cover is equipped with compression spring on the T shape guide bar between a location cover and a location section of thick bamboo, a location section of thick bamboo is by compression spring drive and drilling rod front end alignment arrangement.
In order to prevent the reaction force applied to the end of the drill rod from being directly transmitted to the motor, the chuck comprises a square sleeve, a square connecting block and a pressure spring, wherein the square sleeve is arranged in the positioning cover and fixedly connected with the output shaft of the motor, the square connecting block and the pressure spring are sequentially sleeved in the square sleeve from front to back, and the front end of the square connecting block is driven by the pressure spring to extend out of the square sleeve to be fixedly connected with the drill rod.
For the convenience of operation, a U-shaped handle is fixedly connected to the rear end of the shell.
For improving the air circulation in the casing, and then improve the radiating effect of motor the casing top is equipped with a plurality of ventilation holes that communicate with the motor surface.
For convenience, the utility model discloses use in the dark environment, effectively improve practicality and ease for use, the position cover is the echelonment that the front end is little, the rear end is big, installs the light on the preceding terminal surface of position cover big end section.
In order to avoid the positioning barrel from being caught by the threads when being inserted into the threaded hole, the front end of the positioning barrel is in a conical shape.
And scales are marked on the T-shaped guide rod for more accurately controlling the depth of the positioning groove.
The drill bit diameter of the drill rod is 10 mm.
The utility model discloses can get into through the location section of thick bamboo of suit outside the drilling rod and embrace the screw hole on pressing from both sides, when the drilling rod is rotatory, under the separation effect of a location section of thick bamboo, the drilling rod passes the internal thread that can not wear and tear the screw hole when embracing the screw hole on pressing from both sides, convenient reaching through embracing the screw hole on pressing from both sides and beat the purpose of constant head tank on perpendicular connecting rod, saved the time, and then improved work efficiency, shortened the power off time.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a vertical link, a clamp and a transmission mechanism of a 220kVGW16/17 type isolating switch in the prior art.
The labels shown in the figures and the corresponding component names are:
1. a housing; 2. a motor; 3. a vertical grip; 4. a chuck; 5. a drill stem; 6. a positioning cover; 7. a T-shaped guide bar; 8. a positioning cylinder; 9. a compression spring; 10. a U-shaped handle; 11. a vent hole; 12. an illuminating lamp; 13. a storage battery; 14. a control switch; 21. a fixed block; 41. a square sleeve; 42. a square connecting block; 43. a pressure spring; 61. a guide ring; 81. a limiting ring.
Detailed Description
As can be seen from figure 1, the electric drill for punching the vertical connecting rod of the isolating switch comprises a shell 1, a motor 2, a vertical grip 3, a chuck 4, a drill rod 5, a positioning cover 6 and a positioning cylinder 8,
the shell 1 consists of a rear cover and a cover plate fixedly connected to the front end of the rear cover through screws, and the shell 1 is hollow as a whole;
the motor 2 is clamped in the shell 1 through a plurality of fixing blocks 21, and an output shaft of the motor 2 extends out of the cover plate and is in clearance connection with the cover plate;
the vertical grip 3 is vertically connected to the lower end of the shell 1 through a screw, the vertical grip 3 is integrally of a hollow cylindrical structure, a storage battery 13 is fixedly arranged in the vertical grip 3, a control switch 14 is arranged on the outer wall of the vertical grip 3, the motor 2 is electrically connected with the control switch 14 through a lead, and the storage battery 13 is electrically connected with the control switch 14 through a lead;
the chuck 4 is arranged at the front end of the cover plate of the shell 1 and is fixedly connected with the output shaft of the motor 2, and the chuck 4 and the output shaft of the motor 2 are coaxially arranged;
the rear end of the drill rod 5 is fixedly connected with the chuck 4 through a bolt, and the drill rod 5 and the chuck 4 are coaxially arranged;
the positioning cover 6 is sleeved on the rear end section of the drill rod 5 and the outer side of the chuck 4 in a clearance mode, the rear end of the positioning cover 6 is fixedly connected with a cover plate of the shell 1 through screws, a guide ring 61 is welded on the outer peripheral surface of the front end of the positioning cover 6, at least two T-shaped guide rods 7 are arranged on the guide ring 61 in a central symmetry mode, wing rod sections of the T-shaped guide rods 7 face the shell 1, web rod sections of the T-shaped guide rods 7 are sleeved on the guide ring 61 in a clearance mode, and the axial lines of the web rod sections of the T-shaped guide rods 7 are arranged in parallel with the axial line of the drill rod 5;
the positioning cylinder 8 is sleeved outside the front end section of the drill rod 5 in a clearance way, a limiting ring 81 is welded on the peripheral surface of the rear end of the positioning cylinder 8, the limiting ring 81 and the guide rings 61 are arranged in parallel face to face, the limiting ring 81 is welded and connected with the front end surface of each T-shaped guide rod 7, the positioning cylinder 8 is connected with the positioning cover 6 in a sliding way through the T-shaped guide rods 7,
and compression springs 9 are sleeved on the T-shaped guide rods 7 between the guide ring 61 of the positioning cover 6 and the limiting ring 81 of the positioning cylinder 8, and the front end surface of the positioning cylinder 8 is tightly propped by the compression springs 9 and is aligned with the front end surface of the drill rod 5.
From fig. 1, the utility model discloses a chuck 4 includes square sleeve 41, square connecting block 42 and pressure spring 43, square sleeve 41 arrange in the position fixing cover 6 and with the coaxial rigid coupling of motor 2's output shaft, square connecting block 42 and pressure spring 43 by preceding suit to the back in square sleeve 41, square connecting block 42's front end is tightly stretched out from square sleeve 41 antetheca by pressure spring 43 top, the coaxial rigid coupling of front end of bolt and square connecting block 42 is passed through to the rear end of drilling rod 5. When the head end of drilling rod 5 beaten the constant head tank on perpendicular connecting rod a, the reaction force that the head end of drilling rod 5 received can be used on pressure spring 43 through square connecting block 42, and then the reaction force that 5 head ends of pressure spring 43 can effectual buffering drilling rod received prevents that the reaction force that 5 head ends of drilling rod received from directly transmitting motor 2 to play the purpose of protection motor 2.
As can be seen from fig. 1, the present invention further includes a U-shaped handle 10 welded to the rear end of the housing 1.
It can also be seen from fig. 1 that a plurality of ventilation holes 11 communicated with the internal cavity are arranged at the top of the rear cover of the housing 1, the ventilation holes 11 are communicated with the upper surface of the motor 2, and the ventilation performance of the air in the housing 1 can be improved through the arrangement of the ventilation holes 11, so that the heat dissipation effect of the motor 2 can be improved.
As can be seen from fig. 1, the positioning cover 6 of the present invention is a stepped tubular structure with a small front end and a large rear end, the front end surface of the large end section of the positioning cover 6 is provided with the illuminating lamp 12, the illuminating lamp 12 is electrically connected with the control switch 14 through a wire, and the illuminating lamp 12 can be turned on through the control switch 14 at night or in a dark environment through the arrangement of the illuminating lamp 12, so that the present invention can be used in a dark environment, and the practicability of the present invention is effectively improved; the inner diameter of the small end section of the positioning cover 6 is 1-2 mm larger than the diameter of the drill rod 5.
The drill bit diameter of the drill rod 5 of the utility model is 10 mm.
As can be seen from fig. 1, the front end of the positioning tube 8 is tapered, and when the front end of the positioning tube 8 is inserted into the threaded hole b1, it is not caught by the internal thread of the threaded hole b 1.
The utility model discloses mark on the T shape guide bar 7 has the scale, when a location section of thick bamboo 8 inserts in the screw hole b1, can know the distance that drilling rod 5 head end gos forward accurately according to the scale, and then the degree of depth of constant head tank is beaten in control that can be accurate.
The utility model discloses in, the external diameter of a location section of thick bamboo 8 can be according to the size design of screw hole b1, not just confine to a size.
The utility model is suitable for an isolator's maintenance work, at the maintenance in-process, when discovering that isolator's of a certain department perpendicular connecting rod an and embrace and press from both sides when taking place not hard up between the b, use the utility model discloses a process as follows:
firstly, the stop nail d on the holding clamp b is twisted off, then the maintenance worker can lift the utility model by one hand through the U-shaped handle 10, and the other hand can stably hold the utility model through the vertical handle 3;
secondly, inserting the front end of the positioning cylinder 8 into a threaded hole b1 originally screwed into the stop nail d on the holding clamp b;
thirdly, the control switch 14 is pressed by fingers holding the vertical grip 3, so that the motor 2 runs, and the drill rod 5 is driven to synchronously rotate by the square sleeve 41 when the motor 2 runs;
fourthly, after the drill rod 5 rotates, the limiting ring 81 is pushed to the side of the vertical connecting rod a, so that the front end face of the limiting ring 81 is attached to the side wall of the holding clamp b, and then the limiting ring 81 is continuously pushed to the side wall of the vertical connecting rod a, so that the limiting ring 81 and the positioning cylinder 8 are not moved, the guide ring 61 and the drill rod 5 can continuously move forwards, the compression springs 9 on the T-shaped guide rods 7 can be compressed when the guide ring 61 moves forwards, the compression force of the compression springs 9 can be applied to the limiting ring 81, so that the limiting ring 81 can more stably support the side wall of the holding clamp b, and the positioning cylinder 8 is effectively prevented from shaking; meanwhile, the head end of the drill rod 5 extends out of the positioning cylinder 8 and is in contact with the outer wall of the vertical connecting rod a in the holding clamp b, so that a positioning groove is formed in the outer wall of the vertical connecting rod a at the position corresponding to the threaded hole b1, in the process, the advancing distance of the head end of the drill rod can be accurately known according to the scales marked on the T-shaped guide rod 7, and the depth of the positioning groove can be accurately controlled;
after the positioning groove is punched, the control switch 14 is pressed, the operation of the motor 2 is stopped, and then the utility model is pulled in the opposite direction, so that the drill rod 5 and the positioning cylinder 8 are withdrawn from the threaded hole b1, and the positioning groove punching work on the vertical connecting rod a is completed;
sixthly, the stop nail d is screwed into a threaded hole b1 on the holding clamp b, so that the head end of the stop nail d is embedded into a punched positioning groove, and the purpose of reinforcing the connection between the vertical connecting rod a and the holding clamp b can be achieved.
Claims (8)
1. The utility model provides an isolator vertical connecting rod punches and uses electric drill, includes casing (1), installs motor (2) in the casing, connects perpendicular handle (3) at the casing lower extreme, establishes chuck (4) at the casing front end and with the output shaft of motor, installs drilling rod (5) at the chuck front end, its characterized in that: the drill rod is externally sleeved with a positioning cover (6) and a positioning cylinder (8) from back to front in sequence, the positioning cover is fixedly connected with the shell, the positioning cylinder is connected with the positioning cover in a sliding mode through a T-shaped guide rod (7), a compression spring (9) is sleeved on the T-shaped guide rod between the positioning cover and the positioning cylinder, and the positioning cylinder is driven by the compression spring to be aligned with the front end of the drill rod.
2. The disconnecting switch vertical connecting rod punching electric drill according to claim 1, characterized in that: the chuck comprises a square sleeve (41) which is arranged in the positioning cover and fixedly connected with the output shaft of the motor, a square connecting block (42) and a pressure spring (43) which are sequentially sleeved in the square sleeve from front to back, and the front end of the square connecting block is driven by the pressure spring to extend out of the square sleeve to be fixedly connected with the drill rod.
3. The disconnecting switch vertical connecting rod punching electric drill according to claim 1, characterized in that: and a U-shaped handle (10) is fixedly connected to the rear end of the shell.
4. The disconnecting switch vertical connecting rod punching electric drill according to claim 1, characterized in that: the top of the shell is provided with a plurality of ventilation holes (11) communicated with the surface of the motor.
5. The disconnecting switch vertical connecting rod punching electric drill according to claim 1, characterized in that: the positioning cover is in a step shape with a small front end and a large rear end, and an illuminating lamp (12) is installed on the front end face of the large end section of the positioning cover.
6. The disconnecting switch vertical connecting rod punching electric drill according to claim 1, characterized in that: scales are marked on the T-shaped guide rod.
7. The disconnecting switch vertical connecting rod punching electric drill according to claim 1, characterized in that: the front end of the positioning cylinder is in a conical shape.
8. The electric drill for drilling the vertical connecting rod of the disconnecting switch according to any one of claims 1 to 7, wherein: the drill bit diameter of the drill rod is 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020375262.7U CN211915585U (en) | 2020-03-23 | 2020-03-23 | Electric drill for punching vertical connecting rod of isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020375262.7U CN211915585U (en) | 2020-03-23 | 2020-03-23 | Electric drill for punching vertical connecting rod of isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211915585U true CN211915585U (en) | 2020-11-13 |
Family
ID=73355023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020375262.7U Active CN211915585U (en) | 2020-03-23 | 2020-03-23 | Electric drill for punching vertical connecting rod of isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211915585U (en) |
-
2020
- 2020-03-23 CN CN202020375262.7U patent/CN211915585U/en active Active
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