CN113783029B

CN113783029B - Quick access device for emergency power supply

Info

Publication number: CN113783029B
Application number: CN202111049105.2A
Authority: CN
Inventors: 袁晓松; 张大君; 刘金; 邹江华; 刘建; 李明虎; 袁学士
Original assignee: Guizhou Power Grid Co Ltd
Current assignee: Guizhou Power Grid Co Ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2023-04-28
Anticipated expiration: 2041-09-08
Also published as: CN113783029A

Abstract

The invention discloses a quick access device for an emergency power supply, which comprises a first wiring assembly, a first connecting pipe, a first copper core, a guide piece and an extrusion piece, wherein the first copper core is fixed in the first wiring pipe; the second wiring assembly is located one side of the first wiring assembly and comprises a second wiring tube, a second copper core, a binding post and a tensioning piece. According to the invention, the wiring efficiency between the emergency power supply and the cable is improved through the first wiring assembly and the second wiring assembly, the access operation is simplified, then the stability in the connection process is improved through the connecting assembly, and meanwhile, the dismounting efficiency of the device is improved.

Description

Quick access device for emergency power supply

Technical Field

The invention relates to the technical field of electrical equipment, in particular to a quick access device for an emergency power supply.

Background

The emergency power supply is an emergency power supply which is composed of a charger, an inverter, a storage battery, an isolation transformer, a change-over switch and other devices and is used for converting direct-current energy into alternating-current energy, the emergency power supply in the prior art is generally connected through complicated manual operation when being connected, and the emergency power supply needs to be disassembled and assembled again when a connected cable needs to be replaced, so that the working efficiency is low.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.

The present invention has been made in view of the above and/or problems occurring in the prior art quick access devices for emergency power supplies.

Therefore, the invention aims to solve the problems that in the prior art, the emergency power supply is generally connected by manually performing complicated operation when wiring is performed, and the emergency power supply needs to be disassembled and assembled again when a connected cable needs to be replaced, so that the working efficiency is low.

In order to solve the technical problems, the invention provides the following technical scheme: the quick access device for the emergency power supply comprises a first wiring assembly, a first connecting component, a second connecting component and a second connecting component, wherein the first wiring assembly comprises a first wiring pipe, a first copper core fixed in the first wiring pipe, a guide piece fixed in the first wiring pipe, and an extrusion piece arranged above the guide piece; the second wiring assembly is positioned on one side of the first wiring assembly and comprises a second wiring tube, a second copper core, a binding post and a tensioning piece, wherein the second copper core is positioned in the second wiring tube, the binding post is fixed at one end of the second wiring tube, and the tensioning piece is positioned between the binding post and the second copper core; the connecting assembly is arranged at the joint of the first wiring pipe and the second wiring pipe and comprises a fixed ring, a connecting ring, a fastening piece and a triggering piece, wherein the fixed ring is fixed on the surface of the first wiring pipe, the connecting ring is fixed on the surface of the second wiring pipe, the fastening piece is positioned on the fixed ring and is close to one side of the connecting ring, and the triggering piece is positioned on one side of the fixed ring and is far away from the connecting ring.

As a preferable scheme of the rapid access device for emergency power supply of the invention, the rapid access device comprises: the guide piece comprises a connecting block, a baffle and a fixing plate;

rectangular grooves are formed in one end of the first copper core, the connecting blocks are fixed to one end of the first copper core and located on two sides of the rectangular grooves, the baffle plates are fixed to the two connecting blocks, and the fixing plates are fixed to the inner walls of the first wire connecting tubes and located on the outer sides of the baffle plates.

As a preferable scheme of the rapid access device for emergency power supply of the invention, the rapid access device comprises: the extrusion piece comprises an extrusion plate, a threaded rod and a force borrowing block;

the stripper plate is located the top of fixed plate, the bottom of threaded rod with the top of stripper plate rotates to be connected, the top of threaded rod extends to the outside of first wiring pipe, and with borrow the power piece to be fixed.

As a preferable scheme of the rapid access device for emergency power supply of the invention, the rapid access device comprises: the extrusion piece also comprises a limit frame and a guide plate; the limiting frame is fixed on two sides of the extrusion plate, the guide plates are fixed on two sides of the inner wall of the first wiring pipe, and the guide plates slide in the limiting frame.

As a preferable scheme of the rapid access device for emergency power supply of the invention, the rapid access device comprises: the tensioning piece comprises a tensioning spring and a limiting plate, wherein two ends of the tensioning spring are respectively fixed with the second copper core and the binding post, and the limiting plate is fixed with the end face of the second copper core.

As a preferable scheme of the rapid access device for emergency power supply of the invention, the rapid access device comprises: the tensioning piece further comprises a protruding block, the protruding block is fixed on the limiting plate, a sliding groove is formed in the inner wall of the second wiring tube, and the protruding block slides in the sliding groove.

As a preferable scheme of the rapid access device for emergency power supply of the invention, the rapid access device comprises: the fastening piece comprises a bearing block, a first mounting block, a second mounting block, a fastening block, a reset spring and a limiting piece;

the bearing block is fixed on the fixed ring, the first installation block and the second installation block are both fixed on the outer side of the bearing block, a first through hole is formed in the second installation block, the fastening block is located in the first through hole, two ends of the reset spring are respectively fixed with the fastening block and the first installation block, the limiting piece is located between the first installation block and the second installation block, a fastening groove is formed in one side, close to the fixed ring, of the connecting ring, a second through hole is formed in the inner wall of the fastening groove, and the fastening block is matched with the second through hole.

As a preferable scheme of the rapid access device for emergency power supply of the invention, the rapid access device comprises: the limiting piece comprises a limiting block, a rectangular plate and a connecting plate;

the connecting plate is fixed in the inboard of the knot piece, the connecting plate is close to one side of rectangular plate is seted up flutedly, the stopper slides in the recess, the rectangular plate is located first installation piece with between the second installation piece, the guide way has been seted up on the rectangular plate, the stopper slide in the guide way.

As a preferable scheme of the rapid access device for emergency power supply of the invention, the rapid access device comprises: the trigger piece comprises a movable ring, a guide rod and a trigger rod;

the movable ring is located on the surface of the first wiring tube, one end of the guide rod is fixed with the fixed ring, the other end of the guide rod extends to the outer side of the movable ring, the trigger rod is fixed on the inner side of the movable ring, a third through hole is formed in the fixed ring, and the trigger rod is located in the third through hole.

As a preferable scheme of the rapid access device for emergency power supply of the invention, the rapid access device comprises: the trigger piece also comprises a connecting spring, and two ends of the connecting spring are respectively fixed with the movable ring and the fixed ring.

The invention has the beneficial effects that: according to the invention, the wiring efficiency between the emergency power supply and the cable is improved through the first wiring assembly and the second wiring assembly, the access operation is simplified, then the stability in the connection process is improved through the connecting assembly, and meanwhile, the dismounting efficiency of the device is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is an overall structure diagram of a quick access device for emergency power supply.

Fig. 2 is a diagram showing a connection structure of a first wire connection pipe and a first copper core of the quick access device for emergency power supply.

FIG. 3 is a block diagram of the connection of a guide member to an extrusion of a quick access device for an emergency power supply.

Fig. 4 is a diagram showing a connection structure of a second wire connection pipe and a second copper core of the quick access device for emergency power supply.

Fig. 5 is a diagram showing a structure of a tension member of the quick access device for emergency power supply.

Fig. 6 is a cross-sectional view of a second wiring assembly of the quick access device for emergency power.

Fig. 7 is a side view of a connection ring of the quick access device for emergency power.

Fig. 8 is a structure diagram showing connection between a fixed ring and a trigger of the quick access device for emergency power supply.

Fig. 9 is an enlarged view of portion a of fig. 8 of the quick access device for emergency power.

Fig. 10 is another view of the retainer of the quick access device for emergency power.

Fig. 11 is a rectangular plate structure diagram of a quick access device for emergency power.

Fig. 12 is a view showing a trigger structure of the quick access device for emergency power supply.

Detailed Description

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 8, a first embodiment of the present invention provides a quick access device for emergency power, which includes a first wiring assembly 100, a second wiring assembly 200, and a connection assembly 300, wherein the first wiring assembly 100 and the second wiring assembly 200 are used for accessing cables and emergency power, and the connection assembly 300 is used for improving installation efficiency and stability between the first wiring assembly 100 and the second wiring assembly 200.

Specifically, the first wire connection assembly 100 includes a first wire connection tube 101, a first copper core 102 fixed in the first wire connection tube 101, a guide 103 fixed in the first wire connection tube 101, and an extrusion 104 disposed above the guide 103.

Referring to fig. 3, the cable is inserted from one end of the first wire pipe 101 until it contacts the first copper core 102, at which time the guide 103 and the pressing member 104 press the cable, preventing the cable from being accidentally dropped during use; a first copper core 102 is secured within the first wire tube 101, which extends outwardly away from one end of the cable.

The second wiring assembly 200 is located at one side of the first wiring assembly 100, and comprises a second wiring tube 201, a second copper core 202, a wiring terminal 203 and a tensioning piece 204, wherein the second copper core 202 is located in the second wiring tube 201, the wiring terminal 203 is fixed at one end of the second wiring tube 201, and the tensioning piece 204 is located between the wiring terminal 203 and the second copper core 202.

Referring to fig. 5 and 6, the second copper core 202 slides in the second wire connection pipe 201, and can be pushed inwards by the first copper core 102 during wire connection, and at the moment, an outward force is applied to the second copper core 202 through the tensioning piece 204, so that the second copper core 202 is always in close contact with the first copper core 102, and separation of the second copper core and the first copper core is avoided; a protrusion is fixed at the port of the second wiring pipe 201 for preventing the second copper core 202 from being separated from the second wiring pipe 201; the binding post 203 is provided with a screw, and a wire of the emergency power supply can be fixed on the binding post 203 through the screw.

The connection assembly 300 is disposed at the connection position between the first wire connection tube 101 and the second wire connection tube 201, and comprises a fixing ring 301, a connection ring 302, a fastening piece 303 and a triggering piece 304, wherein the fixing ring 301 is fixed on the surface of the first wire connection tube 101, the connection ring 302 is fixed on the surface of the second wire connection tube 201, the fastening piece 303 is located on one side, close to the connection ring 302, of the fixing ring 301, and the triggering piece 304 is located on one side, far away from the connection ring 302, of the fixing ring 301.

Referring to fig. 8, the fixing ring 301 and the connection ring 302 are closely attached to each other when connected, improving the connection accuracy; the fastening member 303 is used to connect the fixing ring 301 and the connecting ring 302, and the triggering member 304 is used to install and release the fastening member 303, thereby improving the convenience of installation of the device.

Example 2

Referring to fig. 3 to 6, a second embodiment of the present invention is based on the previous embodiment.

Specifically, the guide 103 includes a connection block 103a, a baffle 103b, and a fixing plate 103c;

a rectangular groove S is formed in one end of the first copper core 102, a connecting block 103a is fixed to one end of the first copper core 102 and located on two sides of the rectangular groove S, a baffle 103b is fixed to the two connecting blocks 103a, and a fixing plate 103c is fixed to the inner wall of the first wire connection tube 101 and located on the outer side of the baffle 103 b.

Referring to fig. 3, the fixing plate 103c and the baffle plate 103b are chamfered, and when the cable enters the first wire connection pipe 101, the cable sequentially enters the rectangular groove S from the tops of the fixing plate 103c and the baffle plate 103b, and is guided out from the bottom of the baffle plate 103b by the rectangular groove S, so that the cable can be stably installed while being in contact with the first copper core 102.

Extrusion 104 includes extrusion plate 104a, threaded rod 104b, and force-assisted block 104c;

the extrusion plate 104a is located above the fixing plate 103c, the bottom end of the threaded rod 104b is rotatably connected to the top of the extrusion plate 104a, and the top end of the threaded rod 104b extends to the outside of the first wire connection tube 101 and is fixed to the force-applying block 104 c.

Referring to fig. 3, the extrusion plate 104a is U-shaped, the fixing plate 103c is located in a U-shaped groove, and when a worker manually rotates the force-aid block 104c and the threaded rod 104b, the threaded rod 104b drives the extrusion plate 104a to move, and a cable is clamped between the extrusion plate 104a and the fixing plate 103c, so that the stability of cable installation is improved.

The extrusion 104 further includes a stop frame 104d and a guide plate 104e; the limiting frame 104d is fixed on both sides of the pressing plate 104a, the guide plate 104e is fixed on both sides of the inner wall of the first wire connection pipe 101, and the guide plate 104e slides in the limiting frame 104 d.

Referring to fig. 3, the limiting frame 104d and the guide plate 104e are used for limiting the extrusion 104, so as to avoid deviation during clamping and influence the clamping effect.

The tensioning member 204 comprises a tensioning spring 204a and a limiting plate 204b, wherein two ends of the tensioning spring 204a are respectively fixed with the second copper core 202 and the binding post 203, and the limiting plate 204b is fixed with the end face of the second copper core 202.

Referring to fig. 5, the tensioning spring 204a pushes the second copper core 202 towards the first copper core 102, so that the second copper core 202 can always contact with the first copper core 102, and can adapt to the position of the first copper core 102 during installation, thereby improving the convenience of installation.

The tensioning member 204 further includes a protrusion 204c, the protrusion 204c is fixed on the limiting plate 204b, the inner wall of the second wire connection tube 201 is provided with a chute M, and the protrusion 204c slides in the chute M.

Referring to fig. 6, the bump 204c and the chute M are used for limiting the limiting plate 204b and the second copper core 202, so as to prevent the second copper core 202 from rotating during the moving process, and influence the sensitivity of the contact between the second copper core 202 and the first copper core 102.

Example 3

Referring to fig. 7 to 12, a third embodiment of the present invention is based on the first two embodiments.

Specifically, the fastening member 303 includes a receiving block 303a, a first mounting block 303b, a second mounting block 303c, a fastening block 303d, a return spring 303e, and a stopper 303f;

the bearing block 303a is fixed on the fixed ring 301, the first installation block 303b and the second installation block 303c are both fixed on the outer side of the bearing block 303a, the second installation block 303c is provided with a first through hole K1, the fastening block 303d is positioned in the first through hole K1, two ends of the reset spring 303e are respectively fixed with the fastening block 303d and the first installation block 303b, the limiting piece 303f is positioned between the first installation block 303b and the second installation block 303c, one side of the connecting ring 302, which is close to the fixed ring 301, is provided with a fastening groove N, the inner wall of the fastening groove N is provided with a second through hole K2, and the fastening block 303d is matched with the second through hole K2.

Referring to fig. 8 and 9, the fastening member 303 is provided with at least four groups, and is uniformly distributed on the fixing ring 301 in a ring shape; the fastening groove N is arc-shaped, the fastening piece 303 can slide in the fastening groove N, the second through hole K2 is formed in one side close to the fixed ring 301, one end of the fastening piece 303d close to the fixed ring 301 is subjected to chamfering treatment, and the fastening piece can be inserted into the second through hole K2; during installation, the reset spring 303e pushes the fastening block 303d, so that the fastening block 303d is inserted into the second through hole K2, and the fixing ring 301 can be limited by the fastening block 303d, thereby completing the installation between the first wiring tube 101 and the second wiring tube 201.

The limiting member 303f includes a limiting block 303f-1, a rectangular plate 303f-2, and a connecting plate 303f-3;

the connecting plate 303f-3 is fixed on the inner side of the fastening block 303d, a groove is formed in one side, close to the rectangular plate 303f-2, of the connecting plate 303f-3, the limiting block 303f-1 slides in the groove, the rectangular plate 303f-2 is located between the first mounting block 303b and the second mounting block 303c, a guide groove J is formed in the rectangular plate 303f-2, and the limiting block 303f-1 slides in the guide groove J.

Referring to fig. 11, a first concave V1, a first convex V2, a second concave V3, and a second convex V4 are disposed on the groove, the stopper 303f-1 is located at the first concave V1 in the original state, when the stopper 303f-1 moves, the stopper 303f-1 slides into the second concave V3 from the first concave V1, at this time, the second concave V3 limits the stopper 303f-1, and meanwhile, the return spring 303e pushes the fastening block 303d and the stopper 303f-1, so that the stopper 303f-1 cannot be separated from the second concave V3, and when the stopper 303f-1 is jacked up again, the stopper 303f-1 cannot return or be blocked due to the blocking of the first convex V2 on the stopper 303f-1, but moves along the second convex V4 until returning to the first concave V1, so that the fastening block 303d can be plugged into the second through hole K2 and the action of separating from the second through hole K2 repeatedly.

The trigger 304 includes a movable ring 304a, a guide bar 304b, and a trigger bar 304c;

the movable ring 304a is located on the surface of the first wire connection tube 101, one end of the guide rod 304b is fixed with the fixed ring 301, the other end extends to the outer side of the movable ring 304a, the trigger rod 304c is fixed to the inner side of the movable ring 304a, a third through hole K3 is formed in the fixed ring 301, and the trigger rod 304c is located in the third through hole K3.

Referring to fig. 9, the third through hole K3 corresponds to the fastening block 303d in position, and when the movable ring 304a is pushed, the trigger lever 304c penetrates the third through hole K3 and completes the pushing action of the fastening block 303 d.

The trigger 304 further includes a connection spring 304d, and both ends of the connection spring 304d are fixed to the movable ring 304a and the fixed ring 301, respectively.

Referring to fig. 12, the connection spring 304d pushes the movable ring 304a to move outward, preventing the trigger lever 304c from accidentally pushing the fastening block 303d, affecting the stability of its installation.

When the emergency power supply wire is used, the wire of the emergency power supply is fixed on the wiring terminal 203 through a screw, one end of a cable to be tested is inserted into the first wiring tube 101, at the moment, the threaded rod 104b is manually rotated, the extrusion plate 104a is driven to move through the threaded rod 104b, the cable is clamped between the extrusion plate 104a and the fixed plate 103c, the first wiring tube 101 is installed at one end of the second wiring tube 201, the fastening piece 303 is positioned in the fastening groove N, the first wiring tube 101 is rotated, the fastening piece 303d corresponds to the second through hole K2, at the moment, the movable ring 304a is manually pushed inwards, the fastening piece 303d is pushed through the trigger rod 304c, at the moment, the limiting block 303f-1 slides into the first concave V1 from the second concave V3, the fastening piece 303d and the limiting block 303f-1 are pushed through the reset spring 303e, and the limiting block 303f-1 cannot be separated from the first concave V1, so that the fastening piece 303d is inserted into the second through hole K2, and the installation performance and the convenience and the stability of the first wiring tube 101 and the second wiring tube 201 are improved through the fastening piece 303 d; when the detachable ring 304a is required to be detached, the movable ring 304a is pushed inwards again, the fastening block 303d is pushed by the trigger rod 304c, the limiting block 303f-1 slides into the second concave surface V3 from the first concave surface V1, at this time, the second concave surface V3 limits the limiting block 303f-1, so that the limiting block 303f-1 cannot be separated from the second concave surface V3, and then the first wiring tube 101 is rotated, so that the fastening piece 303 is separated from the fastening groove N.

It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.

Claims

1. The utility model provides a quick access arrangement for emergency power source which characterized in that: comprising the steps of (a) a step of,

a first wiring assembly (100) comprising a first wiring tube (101), a first copper core (102) fixed inside the first wiring tube (101), a guide member (103) fixed inside the first wiring tube (101), and an extrusion member (104) disposed above the guide member (103);

a second wiring assembly (200) located at one side of the first wiring assembly (100) and comprising a second wiring tube (201), a second copper core (202), a binding post (203) and a tensioning piece (204), wherein the second copper core (202) is located in the second wiring tube (201), the binding post (203) is fixed at one end of the second wiring tube (201), and the tensioning piece (204) is located between the binding post (203) and the second copper core (202);

the connecting assembly (300) is arranged at the joint of the first wiring tube (101) and the second wiring tube (201), and comprises a fixed ring (301), a connecting ring (302), a fastening piece (303) and a triggering piece (304), wherein the fixed ring (301) is fixed on the surface of the first wiring tube (101), the connecting ring (302) is fixed on the surface of the second wiring tube (201), the fastening piece (303) is positioned on one side, close to the connecting ring (302), of the fixed ring (301), and the triggering piece (304) is positioned on one side, far away from the connecting ring (302), of the fixed ring (301);

the guide piece (103) comprises a connecting block (103 a), a baffle (103 b) and a fixing plate (103 c);

a rectangular groove (S) is formed in one end of the first copper core (102), the connecting block (103 a) is fixed to one end of the first copper core (102) and located on two sides of the rectangular groove (S), the baffle (103 b) is fixed to the two connecting blocks (103 a), and the fixing plate (103 c) is fixed to the inner wall of the first wiring tube (101) and located on the outer side of the baffle (103 b);

the extrusion piece (104) comprises an extrusion plate (104 a), a threaded rod (104 b) and a force borrowing block (104 c);

the extrusion plate (104 a) is positioned above the fixed plate (103 c), the bottom end of the threaded rod (104 b) is rotationally connected with the top of the extrusion plate (104 a), and the top end of the threaded rod (104 b) extends to the outer side of the first wire connecting tube (101) and is fixed with the force-aid block (104 c);

the extrusion (104) further comprises a limit frame (104 d) and a guide plate (104 e); the limiting frame (104 d) is fixed on two sides of the extrusion plate (104 a), the guide plate (104 e) is fixed on two sides of the inner wall of the first wiring tube (101), and the guide plate (104 e) slides in the limiting frame (104 d);

the connecting ring (302) is close to one side of the fixed ring (301) and is provided with a fastening groove (N), the inner wall of the fastening groove (N) is provided with a second through hole (K2), and a fastening block (303 d) of the fastening piece (303) is matched with the second through hole (K2).

2. The quick access device for emergency power supply of claim 1, wherein: the tensioning piece (204) comprises a tensioning spring (204 a) and a limiting plate (204 b), wherein two ends of the tensioning spring (204 a) are respectively fixed with the second copper core (202) and the binding post (203), and the limiting plate (204 b) is fixed with the end face of the second copper core (202).

3. The quick access device for emergency power supply according to claim 2, wherein: the tensioning piece (204) further comprises a protruding block (204 c), the protruding block (204 c) is fixed on the limiting plate (204 b), a sliding groove (M) is formed in the inner wall of the second wiring tube (201), and the protruding block (204 c) slides in the sliding groove (M).

4. A quick access device for emergency power according to claim 3, characterized in that: the fastening piece (303) comprises a bearing block (303 a), a first mounting block (303 b), a second mounting block (303 c), a fastening block (303 d), a reset spring (303 e) and a limiting piece (303 f);

the bearing block (303 a) is fixed on the fixed ring (301), the first installation block (303 b) and the second installation block (303 c) are both fixed on the outer side of the bearing block (303 a), a first through hole (K1) is formed in the second installation block (303 c), the fastening block (303 d) is located in the first through hole (K1), two ends of the return spring (303 e) are respectively fixed with the fastening block (303 d) and the first installation block (303 b), and the limiting piece (303 f) is located between the first installation block (303 b) and the second installation block (303 c).

5. The quick access device for emergency power according to claim 4, wherein: the limiting piece (303 f) comprises a limiting block (303 f-1), a rectangular plate (303 f-2) and a connecting plate (303 f-3);

the connecting plate (303 f-3) is fixed on the inner side of the fastening block (303 d), a groove is formed in one side, close to the rectangular plate (303 f-2), of the connecting plate (303 f-3), the limiting block (303 f-1) slides in the groove, the rectangular plate (303 f-2) is located between the first mounting block (303 b) and the second mounting block (303 c), a guide groove (J) is formed in the rectangular plate (303 f-2), and the limiting block (303 f-1) slides in the guide groove (J).

6. The quick access device for emergency power according to claim 5, wherein: the trigger piece (304) comprises a movable ring (304 a), a guide rod (304 b) and a trigger rod (304 c);

the movable ring (304 a) is located on the surface of the first wiring tube (101), one end of the guide rod (304 b) is fixed with the fixed ring (301), the other end of the guide rod extends to the outer side of the movable ring (304 a), the trigger rod (304 c) is fixed on the inner side of the movable ring (304 a), a third through hole (K3) is formed in the fixed ring (301), and the trigger rod (304 c) is located in the third through hole (K3).

7. The quick access device for emergency power according to claim 6, wherein: the trigger piece (304) further comprises a connecting spring (304 d), and two ends of the connecting spring (304 d) are respectively fixed with the movable ring (304 a) and the fixed ring (301).