CN218300412U - Special contact type equipotential transfer rod for live-wire operation elevator - Google Patents

Abstract

The utility model discloses a special contact type equipotential transfer rod for a live working lift, which comprises a U-shaped frame, a clamping plate is symmetrically arranged on the inner side of the U-shaped frame, a wire is installed on one side above the U-shaped frame, and a wire is installed below the U-shaped frame. The insulating rods are symmetrically installed, wherein the insulating rods are electrically connected to the lower clamping plate through the connector, and the wires are electrically connected to the upper clamping plate. A guide rod is fixed on one side of the plate corresponding to the guide rod groove, a spring is sleeved on the guide rod between the clamping plate and the guide rod groove, and a push rod groove runs through the middle part of the U-shaped frame. In the utility model, while the equipotential transfer rod can be quickly connected with the cable, the connection can be fixed by the locking mechanism, so as to avoid pulling the equipotential transfer rod under force, resulting in the separation of the equipotential transfer rod and the cable, which can effectively Improve the safety of the connection between the cable and the equipotential transfer rod, and avoid danger caused by easy separation.

Description

A special contact type equipotential transfer rod for live working lifts

technical field

The utility model relates to the technical field of equipotential transfer rods, in particular to a contact-type equipotential transfer rod specially used for live working elevators.

Background technique

Equipotential work is a work in which the operator and live equipment are at the same potential after being insulated from the ground with the help of various insulating tools. At this time, the relationship between the human body and the charged body is: charged body-human body-insulator-earth (tower ), in the equipotential operation, it is necessary to use a contact equipotential transfer rod.

Current contact type equipotential transfer rods, such as the publication number: CN216085349U proposes a special contact type equipotential transfer rod for live work elevators. The equipotential transfer rods are connected with cables through conductive wire clamps. The duckbill impact clamp can quickly clamp and disengage the live wire through the duckbill impact clamp. The conductive wire clamp is in close contact with the live wire, which can avoid the phenomenon of back discharge.

When the existing contact type equipotential transfer rod is used, although it can quickly clamp and disengage the live wire through the duckbill impact clamp, the conductive wire clamp is in close contact with the live wire, and the phenomenon of back discharge can be avoided. The equipotential transfer rod is connected to the cable through the conductive wire clip. The conductive wire clip is elastic. After the connection, when it is pulled, it is easy to separate the conductive wire clip from the cable, causing the equipotential transfer rod to detach from the cable. It causes the staff to be out of the equipotential state, which is easy to cause safety accidents. It is impossible to quickly connect the equipotential transfer rod and the cable while fixing the connection between the equipotential transfer rod and the cable, which is inconvenient to use.

Utility model content

The purpose of the utility model is to provide a special contact-type equipotential transfer rod for live working lifts, which can quickly connect the equipotential transfer rod to the cable and fix the connection through the locking mechanism to avoid stress. Pulling the equipotential transfer rod causes the separation of the equipotential transfer rod and the cable, which can effectively improve the safety of the connection between the cable and the equipotential transfer rod, and avoid the purpose of easily separating and causing danger.

In order to achieve the above purpose, the utility model provides the following technical solutions: a special contact type equipotential transfer rod for live work lifts, including a U-shaped frame, and the inner side of the U-shaped frame is symmetrically provided with a clamping plate, and the U-shaped Wires are installed on one side above the frame, and insulating rods are symmetrically installed below the U-shaped frame, wherein,

The insulating rod is electrically connected to the lower clamping plate through the connecting piece, the wire is electrically connected to the upper clamping plate, and the U-shaped frame near the middle of the clamping plate has a guide bar groove. A guide rod is fixed on one side of the clamping plate corresponding to the guide rod groove, a spring is set on the guide rod between the clamping plate and the guide rod groove, and a push rod groove runs through the middle of the U-shaped frame;

There is a push rod running through the inside of the push rod groove, and the push rod drives the clamping plates on both sides to move in opposite directions through the transmission mechanism. the locking mechanism.

Preferably, the inner middle part of the clamping plate is a circular arc concave surface, and the end of the clamping plate away from the push rod is inclined towards the inside.

Preferably, a baffle is fixed at one end of the push rod located in the U-shaped frame, and a drive rod is rotatably connected to an end of the baffle far away from the push rod, and a drive rod is rotatably connected to a clamping plate at an end far away from the baffle.

Preferably, the locking mechanism includes a fixing frame, and a fixing frame is installed on the outer side of the U-shaped frame close to the top of the push rod. A locking bar groove is opened at the bottom of the fixing frame, and a lock The top of the push rod is equidistantly fixed with first lock teeth, the bottom of the lock rod is equidistantly fixed with second lock teeth, and the top of the lock rod is provided with a thread groove, and the thread groove is internally threaded. There is an adjusting screw rod, which is rotatably connected with the locking rod, and a knob is fixed on the end of the adjusting screw rod near the outer side of the locking rod.

Preferably, the lock bar is in the shape of a rectangular column, and the pitch of the second lock teeth below the lock bar is equal to the pitch of the first lock teeth.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. In the present utility model, while the equipotential transfer rod can be quickly connected to the cable, the connection can be fixed by the locking mechanism, so as to avoid pulling the equipotential transfer rod under force, causing the equipotential transfer rod to be separated from the cable. It can effectively improve the safety of the connection between the cable and the equipotential transfer rod, and avoid danger caused by easy separation.

2. In the utility model, the knob is turned, and the knob drives the adjustment screw to rotate. The rectangular columnar lock rod avoids being driven by the adjustment screw to rotate, so that the adjustment screw can be driven to move up and down through the threaded connection with the lock rod. When the lock rod drives When the second lock tooth is separated from the first lock tooth, the push rod can be moved left and right in the push rod groove so that the clamping plates can approach or move away from each other. When the lock rod drives the second lock tooth to mesh with the first lock tooth At this time, the position of the push rod can be fixed to avoid the movement of the push rod, so as to achieve the purpose of fixing the clamping plate and avoid the force of the clamping plate to open and separate from the cable.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the three-dimensional structure of the lock bar of the present invention;

Fig. 3 is a schematic diagram of a partially enlarged structure at A in Fig. 1 of the present utility model.

In the figure: 1. U-shaped frame; 2. Clamping plate; 3. Conductor; 4. Insulation rod; 5. Connector; 6. Guide rod groove; 7. Guide rod; 8. Spring; 9. Push rod groove; 10, push rod; 11, baffle plate; 12, transmission rod; 13, fixed frame; 14, lock rod groove; 15, lock rod; 16, first lock tooth; 17, second lock tooth; 18, thread groove; 19. Adjusting screw; 20. Knob.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example:

Please refer to Fig. 1 to Fig. 3, the utility model provides a technical solution: a special contact type equipotential transfer rod for a live working lift, including a U-shaped frame 1, and the inner side of the U-shaped frame 1 is symmetrically provided with a clamping plate 2 , the upper side of the U-shaped frame 1 is equipped with a wire 3, and the lower part of the U-shaped frame 1 is symmetrically installed with an insulating rod 4, wherein,

The insulating rod 4 is electrically connected to the lower clamping plate 2 through the connector 5, the wire 3 is electrically connected to the upper clamping plate 2, and the U-shaped frame 1 near the middle of the clamping plate 2 has a guide rod groove 6 running through it. A guide rod 7 is fixed on the side of the plate 2 corresponding to the guide rod groove 6, a spring 8 is set on the guide rod 7 between the clamping plate 2 and the guide rod groove 6, and a push rod groove 9 runs through the middle of the U-shaped frame 1;

A push rod 10 runs through the inside of the push rod groove 9, and the push rod 10 drives the clamping plates 2 on both sides to move in opposite directions at the same time through the transmission mechanism. tight body.

Please refer to Figures 1 to 3, the middle part of the inner side of the clamping plate 2 is a circular arc concave surface, and the end of the clamping plate 2 away from the push rod 10 is inclined inwardly, and the end of the push rod 10 located in the U-shaped frame 1 is fixed with a baffle 11. The end of the baffle 11 away from the push rod 10 is rotatably connected to the transmission rod 12, and the end of the transmission rod 12 away from the baffle 11 is rotatably connected to the clamping plate 2. When it is necessary to connect the equipotential transfer rod to the cable, unlock it After the mechanism fixes the push rod 10, the inclined surface of the clamping plate 2 is pressed against the surface of the cable, and the U-shaped frame 1 is pushed hard. Away, open the clamping plate 2, and at the same time, the clamping plate 2 drives the push rod 10 to move to the left. When the cable moves into the concave surface of the clamping plate 2, the spring 8 drives the clamping plate 2 and the push rod 10 to reset. The connection between the equipotential transfer rod and the cable can be completed, and then the push rod 10 is fixed by the locking mechanism to prevent the push rod 10 from moving under force. The equipotential transfer rod can be quickly connected to the cable and can pass through The locking mechanism fixes the connection to prevent the equipotential transfer rod from being pulled by force, resulting in the separation of the equipotential transfer rod from the cable, which can effectively improve the safety of the connection between the cable and the equipotential transfer rod, and avoid danger caused by easy separation .

Referring to Fig. 1 to Fig. 3, the locking mechanism comprises a fixed frame 13, and the outside of the U-shaped frame 1 near the top of the push rod 10 is equipped with a fixed frame 13, and the bottom of the fixed frame 13 is provided with a locking rod groove 14, and the locking rod groove 14 The inside is provided with a lock bar 15, the top of the push rod 10 is equidistantly fixed with the first lock teeth 16, the bottom of the lock bar 15 is equidistantly fixed with the second lock teeth 17, and the top of the lock bar 15 is provided with a thread groove 18, and the thread groove 18 internal threads are connected with adjusting screw rod 19, and adjusting screw rod 19 is rotationally connected with locking rod 15, and adjusting screw rod 19 is fixed with knob 20 near the end of locking rod 15 outside, and locking rod 15 is a rectangular column, and the second locking rod 15 below The pitch of the lock teeth 17 is equal to the pitch of the first lock teeth 16. Turn the knob 20, and the knob 20 will drive the adjustment screw 19 to rotate, and the rectangular columnar lock rod 15 will avoid being driven by the adjustment screw 19 to rotate, so that the adjustment screw 19 can pass through The threaded connection with the lock rod 15 drives it to move up and down. When the lock rod 15 drives the second lock tooth 17 to separate from the first lock tooth 16, the push rod 10 can be moved left and right in the push rod groove 9, so that the clip The holding plate 2 can be close to or far away from each other. When the lock bar 15 drives the second lock tooth 17 to mesh with the first lock tooth 16, the position of the push rod 10 can be fixed to prevent the push rod 10 from moving, so as to achieve the clamping The purpose of fixing the plate 2 is to prevent the clamping plate 2 from being opened by force and separated from the cable.

Working principle: This kind of special contact type equipotential transfer rod for live work elevators, when in use, connects the wire 3 to the elevator electrically, and then connects the U-shaped frame 1 to the cable, so that the staff is in an equipotential state , when the U-shaped frame 1 is connected to the cable, release the fixing of the push rod 10 by the locking mechanism, and then make the inclined surface of the clamping plate 2 touch the surface of the cable, push the U-shaped frame 1 hard, and the clamping plate 2 The force on the inclined surface makes the clamping plate 2 overcome the elastic force of the spring 8 and move away from each other, and the clamping plate 2 is opened. At the same time, the clamping plate 2 drives the push rod 10 to move to the left. When the cable moves into the concave surface of the clamping plate 2 When the spring 8 drives the clamping plate 2 and the push rod 10 to reset, the connection between the equipotential transfer rod and the cable can be completed, and then the push rod 10 is fixed by the locking mechanism to prevent the push rod 10 from moving under force. While the equipotential transfer rod can be quickly connected to the cable, the connection can be fixed by the locking mechanism, so as to prevent the equipotential transfer rod from being pulled by force, resulting in the separation of the equipotential transfer rod from the cable, which can effectively improve the connection between the cable and the cable. The safety of the equipotential transfer rod connection avoids danger caused by easy separation, and when the knob 20 is turned, the knob 20 drives the adjustment screw 19 to rotate, and the rectangular columnar locking rod 15 is prevented from being driven by the adjustment screw 19 to rotate, so that the adjustment screw 19 It can be driven to move up and down through the threaded connection with the lock bar 15. When the lock bar 15 drives the second lock tooth 17 to separate from the first lock tooth 16, the push rod 10 can be moved left and right in the push rod groove 9, so that Make the clamping plates 2 close to or far away from each other. When the lock bar 15 drives the second lock tooth 17 to mesh with the first lock tooth 16, the position of the push rod 10 can be fixed to prevent the push rod 10 from moving, so as to achieve The purpose of fixing the clamping plate 2 is to prevent the clamping plate 2 from opening under force and separating from the cable.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a special contact type equipotential transfer stick of live working lift, includes U type frame (1), its characterized in that: the inner side of the U-shaped frame (1) is symmetrically provided with clamping plates (2), one side of the upper part of the U-shaped frame (1) is provided with a lead (3), the lower part of the U-shaped frame (1) is symmetrically provided with an insulating rod (4), wherein,

the insulation rod (4) is electrically connected with the clamping plate (2) below through a connecting piece (5), the lead (3) is electrically connected with the clamping plate (2) above, a guide rod groove (6) penetrates through one side, close to the middle of the clamping plate (2), of the U-shaped frame (1), a guide rod (7) is fixed on one side, corresponding to the guide rod groove (6), of the clamping plate (2), a spring (8) is sleeved on the guide rod (7) between the clamping plate (2) and the guide rod groove (6), and a push rod groove (9) penetrates through the middle of the U-shaped frame (1);

push rod (10) have been run through to the inside in push rod groove (9), push rod (10) pass through drive mechanism and drive both sides grip block (2) and remove to opposite direction simultaneously, the outside that U type frame (1) is close to the top is provided with and is used for preventing push rod (10) drunkenness's locking mechanism.

2. The special contact type equipotential transfer bar for a live working elevator according to claim 1, wherein: the middle part of the inner side of the clamping plate (2) is an arc concave surface, and one end surface of the clamping plate (2) far away from the push rod (10) is obliquely arranged towards the inner side.

3. The special contact type equipotential transfer bar of a live working elevator according to claim 1, wherein: push rod (10) are located one end in U type frame (1) and are fixed with baffle (11), baffle (11) are kept away from push rod (10) one end and are rotated and be connected with transfer line (12), transfer line (12) are kept away from baffle (11) one end and are rotated with grip block (2) and be connected.

4. The special contact type equipotential transfer bar for a live working elevator according to claim 1, wherein: locking mechanism includes mount (13), mount (13) are installed in the outside that U type frame (1) is close to push rod (10) top, locking lever groove (14) have been seted up to the bottom of mount (13), the inside in locking lever groove (14) is provided with locking lever (15), the top equidistance of push rod (10) is fixed with first lock tooth (16), the bottom equidistance of locking lever (15) is fixed with second lock tooth (17), thread groove (18) have been seted up at the top of locking lever (15), thread groove (18) female connection has adjusting screw (19), adjusting screw (19) are connected with locking lever (15) rotation, the end fixing that adjusting screw (19) are close to the locking lever (15) outside has knob (20).

5. The special contact type equipotential transfer bar for a live working elevator according to claim 4, wherein: the lock rod (15) is in a rectangular column shape, and the tooth pitch of the second lock tooth (17) below the lock rod (15) is equal to the tooth pitch of the first lock tooth (16).

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