WO2023240915A1

WO2023240915A1 - Data encryption device for 35kv line fault positioning system apparatus

Info

Publication number: WO2023240915A1
Application number: PCT/CN2022/131390
Authority: WO
Inventors: 李万飞; 刘永付; 谭浩; 周吉龙; 孟维旭; 李学妨; 张义河; 白双双; 冀恩举; 刘冲; 黄庆聪; 左登强; 余宗俊; 王伟; 李�杰
Original assignee: 云南电网有限责任公司普洱供电局
Priority date: 2022-06-15
Filing date: 2022-11-11
Publication date: 2023-12-21
Also published as: JP3247766U; CN114928974B; CN114928974A

Abstract

The present application relates to the technical field of power systems. Provided is a data encryption device for a 35kV line fault positioning system apparatus, the device comprising a base (1), a protective housing (5) and a data encryptor (2), wherein two sides of the data encryptor (2) are each provided with a moving groove (26) and an accommodating groove (31); an inner cavity of the accommodating groove (31) is fixedly connected to a folding pipe (32); a data mounting head (35) is fixedly connected to one end of the folding pipe (32); the folding pipe (32) electrically connects a connection circuit to the data mounting head (35); a drawing groove (43) is provided below the accommodating groove (31); a sliding block (23) is slidably mounted in an inner cavity of the drawing groove (43); a moving plate (33) is connected to one end of the sliding block (23), and the moving plate (33) is connected to the data mounting head (35) by means of a hinge; translation sliding grooves (22) are provided inside the data encryptor (2) and located at a front side and a rear side of the inner cavity of the drawing groove (43), and the translation sliding grooves (22) match the sliding block (23); and when the sliding block (23) is parallel to the translation sliding grooves (22), the data mounting head (35) can be slid to make the sliding block (23) enter inner cavities of the translation sliding grooves (22) to move, thereby adjusting the position of the data mounting head (35) and a wiring position.

Description

A data encryption device for 35KV line fault location system equipment

This application requests the priority of the Chinese patent application submitted to the State Intellectual Property Office on June 15, 2022, with the application number 202210682391.4 and the invention name is "A data encryption device for 35KV line fault locating system equipment", all of which The contents are incorporated into this application by reference.

Technical field

This application relates to the technical field of power systems, and specifically to a data encryption device for 35KV line fault location system equipment.

Background technique

High-voltage lines usually refer to transmission lines that carry voltages above 10kV. According to GB/T2900.50-2008, the voltage usually does not include 1000V. The voltage levels of China's domestic high-voltage transmission lines are generally divided into 35kV, 110kV, 220kV, 330kV, 500kV and 750kV. 35KV is the most common transmission line. In order to ensure the normal operation of circuit lines, power companies will use fault location system equipment to The fault data on the 35KV line is detected, and then the fault data is transmitted to the main power equipment in the control room.

In order to protect faulty data and prevent leakage, power equipment generally installs data encryptors to encrypt and protect the data. However, when installing data encryptors in the existing technology, they are usually installed with screws, and the installation position and installation angle are fixed. , which often results in the location of the connection port being blocked, affecting wiring. In addition, since the connecting heads of the data lines are of different sizes and the position of the traditional data encryptor interface is not adjustable, this causes direct conflict between the data lines and leads to inconvenience in use.

Contents of the invention

This application provides a data encryption device for 35KV line fault location system equipment to solve the problem that the existing device has a fixed installation position and angle and is inconvenient to use.

This application provides a data encryption device for 35KV line fault locating system equipment, including a base, a protective shell rotatably installed on the inner cavity of the base, and a data encryptor installed in the inner cavity of the upper protective shell;

There are moving slots on both sides of the data encryptor and a storage slot located below the moving slot. The inner cavity of the storage slot is fixedly connected with a folding tube. One end of the folding tube is fixedly connected with a data installation head. The folding tube is used to install the connecting line. socket, so that the connection line is electrically connected to the data installation head; there are pull-out slots located below the storage slot on both sides of the data encryptor, and a slider is slidably installed in the inner cavity of the pull-out slot, and one end of the slider is connected to The movable board is connected to the data installation head through a hinge. When the movable board moves to both sides, the position of the data installation head can be adjusted. There are translation devices inside the data encryptor and located on the front and rear sides of the inner cavity of the pull-out slot. chute, and the translation chute is adapted to the slide block. When the slide block is parallel to the translation chute, the data installation head can be slid so that the slide block moves into the inner cavity of the translation chute.

Optionally, a snap-in slot is provided on the upper surface of the data installation head; a moving block is slidably installed in the inner cavity of the moving slot, and a support spring is fixedly connected to the bottom of the moving block, and the bottom of the supporting spring is connected to the bottom of the inner cavity of the moving slot. , one end of the moving block is fixedly connected with a clamping block, and the clamping block is adapted to the clamping slot.

Optionally, a vertical through hole is provided on the top of the data encryptor, and a pressing column is movablely connected to the inner cavity of the vertical through hole, and the bottom of the pressing column is fixedly connected to the surface of the moving block.

Optionally, a base plate is fixedly connected to both sides of the data encryptor. A supporting air bag is fixedly connected to the upper surface of the base plate. A top plate is fixedly connected to the surface of the supporting air bag. A rubber pad is fixedly connected to the surface of the top plate, and the rubber pad is installed with the data. The bottom of the head is in contact, and the bottom of the data installation head is provided with a wiring port.

Optionally, there are shock-absorbing grooves at the top and bottom of the inner cavity of the protective shell. The inner cavity of the shock-absorbing groove is movable with a shock-absorbing plate. The surface of the shock-absorbing plate is fixedly connected with a rubber column, and the rubber column is encrypted with data. The surface of the damping plate is connected to the surface of the damping plate, and a buffer spring is installed on the other side of the damping plate, and the buffer spring is connected to the end of the inner cavity of the damping groove.

Optionally, a rotating ring is fixedly connected to the bottom of the protective shell, and the rotating ring is rotated and installed inside the base. Installation slots are provided at the top and bottom of the inner cavity of the protective shell, and an inflatable airbag is fixedly connected to the inner cavity of the installation slot. The top and bottom of the inner cavity of the protective shell are connected with heat dissipation nozzles. The top of the protective shell is fixedly connected with a second fan, and the second fan is connected to the inflatable airbag through an air duct. The top of the protective shell is equipped with a first fan. And the first fan is connected with the heat dissipation nozzle.

Optionally, there are guide grooves on both sides of the data encryptor. The inner cavities of two of the guide grooves are rotationally installed with limiting posts, and the inner cavities of the other two guide grooves are rotationally installed with screw rods, and both sides of the data encryptor are rotationally installed. An isolation cover is installed on the side, and a T-shaped slider is installed at the bottom of the isolation cover. The T-shaped slider is slidably installed into the inner cavity of the guide groove, and is threadedly connected to the screw rod and movablely socketed with the guide groove.

Optionally, a micro motor is fixedly connected to the bottom of the data encryptor, and one end of the output shaft of the micro motor is fixedly connected to the bottom of the screw rod.

Optionally, the number of storage slots and moving slots is the same and corresponds one to one.

Optionally, mounting plates are fixedly connected to both sides of the base. A transportation protective cover is installed on the outer threads of the mounting plate. Fastening bolts are movably installed on the bottom of the base. One end of the fastening bolt extends to the inside of the protective shell. The threaded sleeve is connected with a fastening nut, and the fastening nut is slidably installed inside the protective shell.

It can be seen from the above technical solutions that the data encryption device for 35KV line fault location system equipment provided by this application uses the folding tube, the data installation head, the clamping block, and the clamping slot to socket the connecting lines. , electrically connect the connecting line to the data installation head. Under normal circumstances, the data installation head is in a vertical state, making it difficult for dust to enter. When in use, rotate the data installation head so that the data installation head is in a parallel state. At this time, the card block snaps into the inner cavity of the card slot to fix the data installation head. Wiring can now be performed. In unusual circumstances, when there are many lines and the connectors are relatively large, the data installation head can be rotated so that the slot does not engage with the card block, and then the moving plate can be moved to both sides to adjust the position of the data installation head. , adjust the wiring position, you can also make the slider parallel to the translation chute, slide the data installation head left and right, so that the slider enters the inner cavity of the translation chute to move, you can adjust the direction of the data installation head, so that the data installation head can move Avoidance and dust-proof installation effect.

Furthermore, this application provides a data encryption device suitable for 35KV line fault locating system equipment. Through the cooperative use of the inflatable air bag and the second fan, when the data encryptor is collided or transported, the second fan can be started to inflate the device. Air is injected into the inner cavity of the air bag to expand the inflatable air bag, thereby making the inflatable air bag contact the data encryptor and fixing the data encryptor to prevent the data encryptor from being affected by external power equipment, which can effectively extend the service life of the data encryptor.

Furthermore, the data encryption device suitable for 35KV line fault locating system equipment provided by this application uses the installation groove, the protective shell and the rotating ring to connect the protective shell, so that the protective shell can The data encryptor is protected to prevent the data encryptor from being squeezed and collided. At the same time, the protective shell can rotate in the installation groove through the rotating ring. The direction of the data encryptor can be adjusted during installation, making the installation more convenient.

Description of the drawings

The description and drawings that constitute a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached picture:

Figure 1 is a schematic cross-sectional structural diagram of a data encryption device provided by an embodiment of the present application;

Figure 2 is a partial enlarged structural schematic diagram of component A of the data encryption device provided by the embodiment of the present application;

Figure 3 is a schematic structural diagram of the side of the data encryptor provided by the embodiment of the present application;

Figure 4 is a schematic structural diagram of a rotating ring provided by an embodiment of the present application;

Figure 5 is a schematic structural diagram of the front side of the protective housing provided by the embodiment of the present application.

In the picture: 1. Base; 2. Data encryptor; 3. Buffer spring; 4. Inflatable airbag; 5. Protective shell; 6. Installation slot; 7. Fastening bolts; 8. Fastening nuts; 9. Rotation Ring; 10. Shock absorbing plate; 11. Mounting plate; 12. Micro motor; 13. Transportation protective cover; 14. First fan; 15. Cooling nozzle; 16. Second fan; 20. Rubber column; 21. Shock absorption Slot; 22. Translation chute; 23. Slider; 24. Support spring; 25. Moving block; 26. Moving groove; 27. Vertical through hole; 28. Pressing column; 29. Isolation cover; 30. Clamp block; 31. Storage slot; 32. Folding tube; 33. Moving plate; 34. Snap slot; 35. Data installation head; 36. Rubber pad; 37. Support air bag; 38. Bottom plate; 39. Top plate; 40. Limit Column; 41. Guide groove; 42. Screw rod; 43. Pulling groove.

Detailed ways

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. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments.

Referring to Figures 1 to 5, the embodiment of the present application provides a data encryption device for 35KV line fault locating system equipment, including a base 1, a protective shell 5 rotatably installed on the inner cavity of the base 1, and a protective shell 5 installed on the inner cavity of the base 1. Protect the data encryptor 2 in the inner cavity of the housing 5.

There are moving slots 26 and a storage slot 31 located below the moving slot 26 on both sides of the data encryptor 2. A folding tube 32 is fixedly connected to the inner cavity of the storage slot 31, and a data installation head 35 is fixedly connected to one end of the folding tube 32. , the bottom of the data installation head 35 is provided with a wiring port, and the folding tube 32 is used to socket the connection line, so that the connection line is electrically connected to the data installation head 35 .

There are pull-out slots 43 located below the storage slot 31 on both sides of the data encryptor 2. A slider 23 is slidably installed in the inner cavity of the pull-out slot 43. One end of the slider 23 is connected to a moving plate 33, and the moving plate 33 It is connected to the data installation head 35 through a hinge; a translation chute 22 is provided inside the data encryptor 2 and at the front and rear sides of the inner cavity of the pull-out slot 43 , and the translation chute 22 is adapted to the slide block 23 .

The upper surface of the data installation head 35 is provided with a snap slot 34, and a moving block 25 is slidably installed in the inner cavity of the moving slot 26. The bottom of the moving block 25 is fixedly connected with a support spring 24, and the bottom of the support spring 24 is in contact with the inner cavity of the moving slot 26. is connected to the bottom of the moving block 25 , a clamping block 30 is fixedly connected to one end of the moving block 25 , and the clamping block 30 is adapted to the clamping groove 34 .

Under normal circumstances, the data installation head 35 is in a vertical state, and dust is not easy to enter. When in use, the data installation head 35 is rotated so that the data installation head 35 is in a parallel state. At this time, the clamping block 30 snaps into the inner cavity of the clamping groove 34 to lock the data. The mounting head 35 is fixed, and wiring can be performed at this time. When there are many lines and the connectors are relatively large, the data installation head 35 can be rotated so that the engaging slot 34 does not engage with the clamping block 30, and then the moving plate 33 can be moved to both sides to adjust the position of the data installation head 35. To adjust the wiring position, you can also make the slider 23 parallel to the translation chute 22, slide the data installation head 35 left and right, so that the slider 23 enters the inner cavity of the translation chute 22 to move, and adjust the orientation of the data installation head 35 so that The data installation head 35 has an installation effect of avoidance and dust prevention.

Further, a vertical through hole 27 is provided on the top of the data encryptor 2. The inner cavity of the vertical through hole 27 is movablely connected with a pressing column 28, and the bottom of the pressing column 28 is fixedly connected to the surface of the moving block 25. It is convenient to press the moving block 25 through the pressing column 28, so that the blocking block 30 and the blocking groove 34 are no longer stuck.

Further, both sides of the data encryptor 2 are fixedly connected with bottom plates 38 , the upper surface of the bottom plate 38 is fixedly connected with the supporting air bag 37 , the surface of the supporting air bag 37 is fixedly connected with the top plate 39 , and the surface of the top plate 39 is fixedly connected with the rubber pad 36 , and the rubber pad 36 is in contact with the bottom of the data mounting head 35 . The support air bag 37 is fixed through the bottom plate 38, and the top plate 39 is installed using the support air bag 37, so that the top plate 39 can move downward to make the rubber pad 36 closely fit the bottom of the data installation head 35 to prevent dust from contacting the connection port, and It plays a certain limiting role on the data installation head 35 .

Further, the top and bottom of the inner cavity of the protective housing 5 are provided with shock absorbing grooves 21. The inner cavity of the shock absorbing groove 21 is movablely connected with a shock absorbing plate 10, and the surface of the shock absorbing plate 10 is fixedly connected with a rubber column 20. The rubber column 20 is connected to the surface of the data encryptor 2 , and the buffer spring 3 is installed on the other side of the shock absorbing plate 10 , and the buffer spring 3 is connected to the end of the inner cavity of the shock absorbing groove 21 .

Further, a rotating ring 9 is fixedly connected to the bottom of the protective housing 5, and the rotating ring 9 is rotatably installed inside the base 1. The top and bottom of the inner cavity of the protective housing 5 are provided with mounting grooves 6, and the inner portion of the mounting groove 6 is provided with a mounting groove 6. The cavity is fixedly connected with an inflatable airbag 4. The top and bottom of the inner cavity of the protective shell 5 are connected with a heat dissipation nozzle 15. The top of the protective shell 5 is fixedly connected with a second fan 16, and the second fan 16 communicates with the inflatable airbag through an air duct. 4 are connected, when the data encryptor 2 is collided or transported, the second fan 16 can be started to inject air into the inner cavity of the inflatable air bag 4 to inflate the inflatable air bag 4, thereby making the inflatable air bag 4 contact the data encryptor 2. Fixing the data encryptor 2 prevents the data encryptor 2 from being affected by external power equipment, which can effectively extend the service life of the data encryptor 2 . The first fan 14 is installed on the top of the protective case 5, and the first fan 14 is connected to the heat dissipation nozzle 15. The heat dissipation nozzle 15 is used to blow air to the bottom and upper surface of the data encryptor 2, thereby increasing the heat dissipation of the data encryptor 2. Effect.

Further, guide grooves 41 are provided on both sides of the data encryptor 2, of which two guide grooves 41 have limiting posts 40 rotatably installed in the inner cavities, and screw rods 42 are rotatably installed in the inner cavities of the other two guide grooves 41, and Isolation covers 29 are installed on both sides of the data encryptor 2, and a T-shaped slider is installed at the bottom of the isolation cover 29. The T-shaped slider is slidably installed into the inner cavity of the guide groove 41, and is threadedly connected to the screw rod 42 and the screw rod 42 respectively. The guide groove 41 is movable socket.

Furthermore, the micromotor 12 is fixedly connected to the bottom of the data encryptor 2 , and one end of the output shaft of the micromotor 12 is fixedly connected to the bottom of the screw rod 42 .

Furthermore, the numbers of the storage slots 31 and the moving slots 26 are the same and correspond one to one.

Further, mounting plates 11 are fixedly connected to both sides of the base 1. A transportation protective cover 13 is installed on the outer threads of the mounting plate 11. Fastening bolts 7 are movably installed at the bottom of the base 1, and one end of the fastening bolt 7 extends. The fastening nut 8 is threadedly connected to the inside of the protective housing 5 , and the fastening nut 8 is slidably installed inside the protective housing 5 . The protective shell 5 is socketed using the mounting slot 6, so that the protective shell 5 can protect the data encryptor 2 and prevent the data encryptor 2 from being squeezed and collided. At the same time, the protective shell 5 can be protected by rotating the ring 9. By rotating the inner cavity of the installation slot 6, the direction of the data encryptor 2 can be adjusted during installation, making the installation more convenient. The protective housing 5 is easily fixed through the use of fastening bolts 7 and fastening nuts 8, so that the protective housing 5 is not easy to move after adjustment, thereby improving the stability of the device.

It can be seen from the above technical solution that the data encryption device for 35KV line fault locating system equipment provided by the embodiment of the present application uses the folding tube, the data installation head, the clamping block, and the clamping slot to use the folding tube to conduct the connection line Socket to electrically connect the connecting line to the data installation head. Under normal circumstances, the data installation head is in a vertical state, making it difficult for dust to enter. When in use, rotate the data installation head so that the data installation head is in a parallel state. At this time, the card block snaps into the inner cavity of the card slot to fix the data installation head. Wiring can now be performed. In unusual circumstances, when there are many lines and the connectors are relatively large, the data installation head can be rotated so that the slot does not engage with the card block, and then the moving plate can be moved to both sides to adjust the position of the data installation head. , adjust the wiring position, you can also make the slider parallel to the translation chute, slide the data installation head left and right, so that the slider enters the inner cavity of the translation chute to move, you can adjust the direction of the data installation head, so that the data installation head can move Avoidance and dust-proof installation effect.

Furthermore, the data encryption device suitable for 35KV line fault locating system equipment provided by the embodiment of the application uses the inflatable airbag and the second fan in conjunction. When the data encryptor is collided or transported, the second fan can be started. Inject air into the inner cavity of the inflatable airbag to inflate the inflatable airbag, thereby making the inflatable airbag contact the data encryptor and fixing the data encryptor to prevent the data encryptor from being affected by external power equipment, which can effectively extend the use of the data encryptor. life.

Further, the data encryption device suitable for 35KV line fault locating system equipment provided by the embodiment of the present application uses the installation groove, the protective shell and the rotating ring in cooperation, and uses the installation groove to socket the protective shell, thereby making the protective shell The body can protect the data encryptor to prevent the data encryptor from being squeezed and collided. At the same time, the protective shell can rotate in the inner cavity of the installation groove through the rotating ring. The direction of the data encryptor can be adjusted during installation, making the installation more convenient.

The above-described embodiments of the present application do not limit the scope of protection of the present application.

Claims

A data encryption device for 35KV line fault location system equipment, which is characterized in that it includes a base (1), a protective shell (5) rotatably installed on the inner cavity of the base (1), and a protective shell (5) installed on the inner cavity of the base (1). The data encryptor (2) in the inner cavity of the protective shell (5);

There are moving grooves (26) and a storage groove (31) located below the moving groove (26) on both sides of the data encryptor (2). A folding tube is fixedly connected to the inner cavity of the storage groove (31). (32), one end of the folding tube (32) is fixedly connected with a data installation head (35), and the folding tube (32) is used to socket the connection line so that the connection line is connected to the data installation head (35). ) are electrically connected; a pull-out slot (43) located below the storage slot (31) is provided on both sides of the data encryptor (2), and a slider is slidably installed in the inner cavity of the pull-out slot (43) (23), one end of the slider (23) is connected to a moving plate (33), and the moving plate (33) is connected to the data installation head (35) through a hinge. When the moving plate (33) When moving to both sides, the position of the data installation head (5) can be adjusted; translation chutes are provided inside the data encryptor (2) and at the front and rear sides of the inner cavity of the pull-out slot (43). (22), and the translation chute (22) is adapted to the slider (23). When the slider (23) is parallel to the translation chute (22), the data installation can be slid The head (35) moves the slider (23) into the inner cavity of the translation chute (22).
A data encryption device for 35KV line fault location system equipment according to claim 1, characterized in that the upper surface of the data installation head (35) is provided with a snap-in slot (34); the moving slot A moving block (25) is slidably installed in the inner cavity of (26). The bottom of the moving block (25) is fixedly connected with a support spring (24). The bottom of the support spring (24) is connected to the moving groove (26). The bottom of the inner cavity is connected, and one end of the moving block (25) is fixedly connected with a clamping block (30), and the clamping block (30) is adapted to the clamping groove (34).
A data encryption device for 35KV line fault location system equipment according to claim 2, characterized in that a vertical through hole (27) is provided on the top of the data encryptor (2), and the vertical through hole (27) is provided on the top of the data encryptor (2). The inner cavity of the through hole (27) is movablely sleeved with a pressing column (28), and the bottom of the pressing column (28) is fixedly connected to the surface of the moving block (25).
A data encryption device for 35KV line fault location system equipment according to claim 1, characterized in that, both sides of the data encryptor (2) are fixedly connected with base plates (38), and the base plates (38) are fixedly connected to both sides of the data encryptor (2). A support airbag (37) is fixedly connected to the upper surface of 38), a top plate (39) is fixedly connected to the surface of the support airbag (37), a rubber pad (36) is fixedly connected to the surface of the top plate (39), and the The rubber pad (36) is in contact with the bottom of the data installation head (35), and a wiring port is provided at the bottom of the data installation head (35).
A data encryption device for 35KV line fault location system equipment according to claim 1, characterized in that shock absorbing grooves (21) are provided at the top and bottom of the inner cavity of the protective housing (5), A damping plate (10) is movably connected to the inner cavity of the damping groove (21). A rubber column (20) is fixedly connected to the surface of the damping plate (10), and the rubber column (20) is connected to the The surface of the data encryptor (2) is connected, a buffer spring (3) is installed on the other side of the damping plate (10), and the buffer spring (3) is in the damping groove (21) Cavity end connection.
A data encryption device for 35KV line fault location system equipment according to claim 1, characterized in that a rotating ring (9) is fixedly connected to the bottom of the protective housing (5), and the rotating ring (9) 9) Rotately install to the inside of the base (1), the top and bottom of the inner cavity of the protective housing (5) are provided with mounting slots (6), and the inner cavity of the mounting slot (6) is fixedly connected There is an inflatable airbag (4). The top and bottom of the inner cavity of the protective housing (5) are connected with heat dissipation nozzles (15). The top of the protective housing (5) is fixedly connected with a second fan (16). And the second fan (16) is connected to the inflatable airbag (4) through an air duct, a first fan (14) is installed on the top of the protective shell (5), and the first fan (14) ) is connected to the heat dissipation nozzle (15).
A data encryption device for 35KV line fault location system equipment according to claim 1, characterized in that guide grooves (41) are provided on both sides of the data encryptor (2), two of which are The inner cavity of the guide groove (41) is rotatably installed with a limiting post (40), and the inner cavities of the remaining two guide grooves (41) are rotatably installed with screw rods (42), and the data encryptor (2) Isolation covers (29) are installed on both sides, and a T-shaped slider is installed at the bottom of the isolation cover (29). The T-shaped slider is slidably installed into the inner cavity of the guide groove (41), and is connected to the inner cavity of the guide groove (41) respectively. The screw rod (42) is threaded and movably connected with the guide groove (41).
A data encryption device for 35KV line fault location system equipment according to claim 7, characterized in that a micro motor (12) is fixedly connected to the bottom of the data encryptor (2), and the micro motor (12) One end of the output shaft is fixedly connected to the bottom of the screw rod (42).
A data encryption device for 35KV line fault location system equipment according to claim 1, characterized in that the number of the storage slots (31) and the moving slots (26) are the same and correspond one to one.
A data encryption device for 35KV line fault location system equipment according to claim 1, characterized in that mounting plates (11) are fixedly connected to both sides of the base (1), and the mounting plates A transportation protective cover (13) is installed on the outer thread of (11), and a fastening bolt (7) is movably installed on the bottom of the base (1). One end of the fastening bolt (7) extends to the protective shell. A fastening nut (8) is threadedly connected inside the body (5), and the fastening nut (8) is slidably installed inside the protective housing (5).