An inflatable cable termination quick disconnect device and method of use

Abstract

The application discloses a kind of inflatable cable terminal quick dismounting device and its using method, it is related to electric power cable construction repair field, including base, guide mechanism, inflation unit, clamping unit and adjusting assembly, the center of the base is provided with round hole;The guide mechanism includes fixed plate and two connecting rods, connecting rod is equipped with guide sleeve, guide sleeve is fixedly installed on base, so that base can slide along connecting rod, the present application is by starting high-pressure air pump, makes high-pressure air by inflation pipe, cylindrical main body and conical air head injects into T head, under the action of high-pressure air, make solidified silicon grease loose, also can offset part of negative pressure in the cavity of T head, to achieve the purpose that T head and equipment connecting piece or cable separate, to effectively reduce cable terminal dismounting time, improve dismounting efficiency, save labor cost, and can avoid to cause damage to T head and equipment connecting piece, it is favorable to equipment safe operation, reduce maintenance cost.

Description

Technical Field

[0001] The invention belongs to the field of power cable construction and repair, and particularly relates to an inflatable cable terminal quick disassembly device and a use method thereof. Background Art

[0002] When connecting both ends of a power cable to other electrical equipment, a connection device called a cable terminal is required that meets certain insulation and sealing requirements. Cable terminals can be divided into indoor terminals (referred to as indoor terminals), outdoor terminals (referred to as outdoor terminals), and equipment terminals (T-type terminals, elbow-type terminals), depending on the application.

[0003] T-type connectors have excellent electrical properties and are resistant to tearing, ozone, oxidation, corrosion, and mechanical strength. They are widely used in power distribution networks.

[0004] Currently, manual disassembly is still used during T-type connector construction and repair (including removing the connection between the T-type connector and the equipment, and the connection between the T-type connector and the cable). However, due to the long-term operation of the cable terminal, the silicone grease inside it gradually solidifies and adheres to the equipment connector. In addition, the T-type connector generally adopts a negative pressure chamber structure. Under the action of external air pressure, it is very difficult to remove the T-type connector. It requires multiple people to use ropes, and even use sharp tools to pry it open and shake it to remove it. In some cases, the T-type connector is directly damaged in order to remove it. On the one hand, it is time-consuming and labor-intensive, inefficient, and prolongs maintenance time. On the other hand, it will cause certain damage to the T-type connector and equipment connector, increasing equipment operation and maintenance costs.

[0005] Therefore, we propose an inflatable cable terminal quick disassembly device to solve the above problems. Summary of the Invention

[0006] In view of the problem that manual disassembly is still used during the construction and emergency repair of T-heads, which is time-consuming and labor-intensive, inefficient, and may also cause certain damage to the T-head and equipment connectors, increasing equipment operation and maintenance costs, the present invention provides an inflatable cable terminal quick disassembly device and a method for using the same.

[0007] The solution adopted by the present invention to solve the technical problem is: an inflatable cable terminal quick-disassembly device, comprising a base, a guide mechanism, an inflating unit, a clamping unit and an adjustment component, wherein a circular hole is opened at the center of the base;

[0008] The guide mechanism includes a fixed plate and two connecting rods. The connecting rods are provided with guide sleeves, which are fixedly mounted on the base so that the base can slide along the connecting rods. The fixed plate is fixedly mounted on the right ends of the two connecting rods.

[0009] The clamping unit comprises a clamping plate, two connecting pieces and two connecting blocks, the two connecting blocks are fixedly installed at the left ends of the two connecting rods, an arc-shaped hoop is fixedly installed between the two connecting blocks, the clamping plate is arranged at the opening end of the arc-shaped hoop, and the clamping plate and the connecting block are detachably connected through the connecting piece.

[0010] The inflating unit comprises a cylindrical main body and a high-pressure air pump, the cylindrical main body is arranged in the circular hole, an inflating joint is installed at the top of the cylindrical main body, and the high-pressure air pump and the inflating joint are connected through an inflating pipe.

[0011] The left and right ends of the cylindrical main body are fixedly connected with a conical air head and a baffle plate respectively, the baffle plate is in contact with the right side surface of the base, the conical air head and the inner cavity of the cylindrical main body are in communication with each other, and the end, away from the cylindrical main body, of the conical air head is an inflating port.

[0012] The adjusting assembly is installed on the fixed plate and connected with the baffle plate, and is used to drive the baffle plate and the base to move.

[0013] Preferably, the top and the bottom of the base are fixedly installed with handles respectively.

[0014] Preferably, the lower end of the connecting block is provided with a threaded hole one, and the two ends of the clamping plate are respectively provided with threaded holes two.

[0015] Preferably, the connecting piece is a connecting bolt, the connecting bolt passes through the threaded hole one and is connected with the threaded hole two.

[0016] Preferably, the adjusting assembly comprises an adjusting lead screw, a connecting seat and a fixed nut, the fixed nut is installed on the fixed plate, the adjusting lead screw is threadedly connected with the fixed nut, the optical axis end of the adjusting lead screw is sleeved with a bearing, the bearing is installed on the connecting seat, and the connecting seat is fixedly installed on the right side surface of the baffle plate.

[0017] Preferably, the right end of the adjusting lead screw is provided with a rotating rod.

[0018] Preferably, the adjusting assembly is a hydraulic rod installed on the fixed plate, and the telescopic end of the hydraulic rod passes through the fixed plate and is connected with the baffle plate.

[0019] Preferably, the device further comprises a two-section threaded rod, the left and right ends of the two-section threaded rod are threadedly connected with a plug and a connecting nut respectively, and the connecting nut is fixedly installed on the left side of the inner wall of the cylindrical main body.

[0020] Preferably, the end, away from the two-section threaded rod, of the plug is provided with a six-rib groove.

[0021] A use method of the inflatable cable terminal quick dismounting device, comprising the following steps:

[0022] S1, when the T-shaped head is removed from the connection with the device, the arc-shaped hoop is buckled outside the T-shaped head, the clamping plate is in contact with the left side of the two connecting blocks, the clamping plate is connected with the connecting block by using the connecting piece, the T-shaped head is fixed between the clamping plate and the arc-shaped hoop;

[0023] S2, the lower end of the T-shaped head is fixed by using the pipe clamp, so that the gas is prevented from flowing to the lower end, and the T-shaped head is prevented from being separated from the cable connection part in advance;

[0024] S3, the adjusting assembly is operated to move the baffle disc, the base and the conical air head to the T-shaped head, and the conical air head is inserted into the tail end of the T-shaped head;

[0025] S4, the inflation pipe is connected with the inflation joint, the high-pressure air pump is started, the high-pressure air is injected into the T-shaped head through the inflation pipe, the cylindrical main body and the conical air head, the solidified silicone grease is loosened under the action of the high-pressure air, and part of the negative pressure in the cavity of the T-shaped head is offset, so that the T-shaped head is separated from the device connector, finally, the high-pressure air pump is turned off;

[0026] S5, then, when the T-shaped head needs to be removed from the cable, the pipe clamp is first removed, then one end of the double-section threaded rod is inserted into the front end of the T-shaped head and is threadedly connected with the connecting nut;

[0027] S6, the plug is threadedly connected with the other end of the double-section threaded rod, the six-sided wrench is inserted into the six-sided groove, the plug is screwed into the front end of the T-shaped head by operating the six-sided wrench, the front end of the T-shaped head is plugged, and the gas is prevented from flowing out through the front end of the T-shaped head;

[0028] S7, the high-pressure air pump is started, the high-pressure air is injected into the T-shaped head through the inflation pipe, the cylindrical main body and the conical air head, the solidified silicone grease is loosened under the action of the high-pressure air, and part of the negative pressure in the cavity of the T-shaped head is offset, so that the T-shaped head is separated from the cable, finally, the cable is removed, and the high-pressure air pump is turned off.

[0029] Compared with the prior art, the beneficial effects of the present application are:

[0030] 1, by starting the high-pressure air pump, the high-pressure air is injected into the T-shaped head through the inflation pipe, the cylindrical main body and the conical air head, the solidified silicone grease is loosened under the action of the high-pressure air, and part of the negative pressure in the cavity of the T-shaped head is offset, so that the T-shaped head is separated from the device connector or the cable, thereby effectively reducing the cable terminal dismounting time, improving the dismounting efficiency, saving the labor cost, and avoiding damage to the T-shaped head and the device connector, which is beneficial to the safe operation of the device and reduces the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a front view structural schematic diagram of the present application.

[0032] Figure 2 It is a schematic diagram of the three-dimensional structure of the present application;

[0033] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the present application;

[0034] Figure 4 It is a schematic diagram of the present application when the T-shaped head is disconnected from the equipment;

[0035] Figure 5 It is a schematic diagram of the present application when the T-shaped head is disconnected from the cable.

[0036] In the figure: 1 base, 2 handle, 31 stop disc, 32 cylindrical body, 33 conical air head, 34 inflation connector, 41 connecting seat, 42 fixed plate, 43 fixed nut, 44 adjusting lead screw, 45 rotating rod, 5 guide sleeve, 6 connecting rod, 71 connecting block, 72 arc clamp, 73 connecting bolt, 74 clamping plate, 81 double-section threaded rod, 82 plug, 83 connecting nut, 84 hexagonal groove, 91 inflation pipe, 92 high-pressure air pump, 10 T-shaped head, 11 pipe clamp. DETAILED DESCRIPTION

[0037] The present application will be further described below in conjunction with the drawings and examples.

[0038] Please refer to Figures 1-5 , the present application provides a kind of inflatable cable terminal quick dismounting device and the technical scheme of use method thereof:

[0039] Example one:

[0040] According to Figures 1-5 It includes base 1, guide mechanism, inflation unit, clamping unit and adjusting assembly, a circular hole is formed in the center of base 1, handle 2 is fixedly installed on the top and bottom of base 1 respectively, to facilitate the user to use handle 2, lift the device and carry it.

[0041] The guide mechanism includes fixed plate 42 and two connecting rods 6, connecting rod 6 is sleeved with guide sleeve 5, guide sleeve 5 is fixedly installed on base 1, so that base 1 can slide along connecting rod 6, and fixed plate 42 is fixedly installed on the right end of the two connecting rods 6.

[0042] The clamping unit comprises a clamping plate 74, two connecting pieces and two connecting blocks 71, the two connecting blocks 71 are fixedly installed at the left ends of the two connecting rods 6 respectively, an arc-shaped hoop 72 is fixedly installed between the two connecting blocks 71, the clamping plate 74 is arranged at the opening end of the arc-shaped hoop 72, a threaded hole one is formed in the lower end of the connecting block 71, threaded holes two are formed at the two ends of the clamping plate 74 respectively, the connecting piece is a connecting bolt 73, the connecting bolt 73 passes through the threaded hole one and is connected with the threaded hole two, the clamping plate 74 and the connecting block 71 are connected, and the T-shaped head 10 is fixed between the clamping plate 74 and the arc-shaped hoop 72.

[0043] The inflating unit comprises a cylindrical main body 32 and a high-pressure air pump 92, the cylindrical main body 32 is arranged in the circular hole, the top of the cylindrical main body 32 is provided with an inflating connector 34, and the high-pressure air pump 92 and the inflating connector 34 are connected through an inflating pipe 91.

[0044] The left and right ends of the cylindrical main body 32 are fixedly connected with a conical air head 33 and a baffle disc 31 respectively, the baffle disc 31 is in contact with the right side surface of the base 1, the conical air head 33 and the inner cavity of the cylindrical main body 32 are in communication with each other, the end, away from the cylindrical main body 32, of the conical air head 33 is an inflating port, and the conical air head 33 is conical in shape and connected with the tail end of the cable terminal, which can adapt to the European and American elbow-shaped head 10 interfaces and improve the use range of the device.

[0045] The adjusting assembly comprises an adjusting lead screw 44, a connecting seat 41 and a fixing nut 43, the fixing nut 43 is installed on a fixing plate 42, the right end of the adjusting lead screw 44 is provided with a rotating rod 45, the adjusting lead screw 44 is threadedly connected with the fixing nut 43, the optical axis end of the adjusting lead screw 44 is sleeved with a bearing, the bearing is installed on the connecting seat 41, the connecting seat 41 is fixedly installed on the right side surface of the baffle disc 31, the rotating rod 45 is rotated in a forward direction to drive the rotation of the adjusting lead screw 44, the adjusting lead screw 44 drives the baffle disc 31 and the base 1 to move and move towards the T-shaped head 10 in the rotating process, so that the conical air head 33 is inserted into the tail end of the T-shaped head 10, and the conical air head 33 is prevented from being separated from the T-shaped head 10 in the inflating process.

[0046] Further comprising a two-section threaded rod 81, the left and right ends of the two-section threaded rod 81 are threadedly connected with a plug 82 and a connecting nut 83 respectively, the connecting nut 83 is fixedly installed on the inner wall left side of the cylindrical main body 32, the end, away from the two-section threaded rod 81, of the plug 82 is provided with a hexagonal groove 84, which facilitates the user to insert a hexagonal wrench into the hexagonal groove 84 and drive the rotation of the plug 82 by operating the hexagonal wrench, so that the plug 82 is screwed into the front end of the T-shaped head 10, the front end of the T-shaped head 10 is plugged, and the gas is prevented from flowing out through the front end of the T-shaped head 10.

[0047] In specific use, the use method of the inflatable cable terminal quick dismounting device comprises the following steps:

[0048] S1, when the T-head 10 is removed from the device, the arc clamp 72 is buckled on the outside of the T-head 10, the clamping plate 74 is in contact with the left side of the two connecting blocks 71, and the connecting bolt 73 is used to connect and fix the clamping plate 74 and the connecting block 71, so as to fix the T-head 10 between the clamping plate 74 and the arc clamp 72;

[0049] S2, the lower end of the T-head 10 is locked and fixed by the pipe clamp 11 to prevent gas from flowing to the lower end, causing the T-head 10 to separate from the cable connection part in advance;

[0050] S3, the positive rotation of the adjusting screw rod 44 is driven by operating the rotating rod 45, and the adjusting screw rod 44 moves the baffle plate 31, the base 1 and the conical air head 33 towards the T-head 10 in the rotating process, and the conical air head 33 is inserted into the tail end of the T-head 10;

[0051] S4, connect the inflation pipe 91 with the inflation joint 34 (as shown in Figure 4 ), start the high-pressure air pump 92, and inject high-pressure air into the T-head 10 through the inflation pipe 91, the cylindrical main body 32 and the conical air head 33, so that the solidified silicone grease is loosened, and part of the negative pressure in the cavity of the T-head 10 is also offset, so as to achieve the purpose of separating the T-head 10 from the device connection, and finally, after disassembly, the high-pressure air pump 92 is closed;

[0052] S5, then, when the T-head 10 needs to be removed from the cable, first disassemble the pipe clamp 11, then insert one end of the double-section threaded rod 81 into the front end of the T-head 10 and threadedly connect it with the connecting nut 83;

[0053] S6, threadedly connect the plug 82 with the other end of the double-section threaded rod 81, insert the hexagonal wrench into the hexagonal groove 84, and operate the hexagonal wrench to screw the plug 82 into the front end of the T-head 10 to plug the front end of the T-head 10 to prevent gas from flowing out through the front end of the T-head 10 (as shown in Figure 5 );

[0054] S7, start the high-pressure air pump 92, inject high-pressure air into the T-head 10 through the inflation pipe 91, the cylindrical main body 32 and the conical air head 33, so that the solidified silicone grease is loosened, and part of the negative pressure in the cavity of the T-head 10 is also offset, so as to achieve the purpose of separating the T-head 10 from the cable, and finally, after the cable is removed, the high-pressure air pump 92 is closed.

[0055] Example two:

[0056] On the basis of example one, the difference is that the adjusting assembly is a hydraulic rod installed on the fixed plate 42, and the telescopic end of the hydraulic rod penetrates through the fixed plate 42 and is connected with the baffle plate 31.

Claims

1. An inflatable cable terminal quick-release device, comprising a base, a guide mechanism, an inflating unit, a clamping unit, and an adjustment assembly, characterized in that: A circular hole is provided at the center of the base; The guide mechanism includes a fixed plate and two connecting rods. The connecting rods are provided with guide sleeves, which are fixedly mounted on the base so that the base can slide along the connecting rods. The fixed plate is fixedly mounted on the right ends of the two connecting rods. The clamping unit includes a clamping plate, two connecting pieces and two connecting blocks. The two connecting blocks are respectively fixedly installed at the left ends of the two connecting rods. An arc-shaped clamp is fixedly installed between the two connecting blocks. The clamping plate is arranged at the open end of the arc-shaped clamp. The clamping plate and the connecting blocks are detachably connected by the connecting piece. The inflation unit includes a cylindrical body and a high-pressure air pump. The cylindrical body is arranged in the circular hole, and an inflation connector is installed on the top of the cylindrical body. The high-pressure air pump and the inflation connector are connected by an inflation tube. The left and right ends of the cylindrical body are respectively fixedly connected with a conical air head and a baffle plate, the baffle plate contacts the right side of the base, the conical air head and the inner cavity of the cylindrical body are connected to each other, and the end of the conical air head away from the cylindrical body is the inflation port; The adjusting component is installed on the fixing plate and connected with the baffle plate to drive the baffle plate and the base to move.

2. The inflatable cable terminal quick release device according to claim 1, characterized in that: Handles are fixedly mounted on the top and bottom of the base respectively.

3. The inflatable cable terminal quick-disassembly device according to claim 1, characterized in that: The lower end of the connecting block is provided with a first threaded hole, and the two ends of the clamping plate are respectively provided with second threaded holes.

4. The inflatable cable terminal quick-disassembly device according to claim 3, characterized in that: The connecting piece is a connecting bolt, which passes through the first threaded hole and is connected to the second threaded hole.

5. The inflatable cable terminal quick-disassembly device according to claim 1, characterized in that: The adjustment assembly includes an adjusting screw, a connecting seat and a fixing nut. The fixing nut is installed on the fixing plate. The adjusting screw is threadedly connected to the fixing nut. The optical axis end is provided with a bearing. The bearing is installed on the connecting seat. The connecting seat is fixedly installed on the right side of the baffle.

6. The inflatable cable terminal quick-disassembly device according to claim 5, characterized in that: The right end of the adjusting screw is provided with a rotating rod.

7. The inflatable cable terminal quick-disassembly device according to claim 1, characterized in that: The adjustment component is a hydraulic rod installed on the fixed plate, and the telescopic end of the hydraulic rod passes through the fixed plate and is connected to the baffle.

8. The inflatable cable terminal quick-disassembly device according to claim 1, characterized in that: It also includes a double-section threaded rod, the left and right ends of the double-section threaded rod are respectively threadedly connected with a plug and a connecting nut, and the connecting nut is fixedly installed on the left side of the inner wall of the cylindrical body.

9. The inflatable cable terminal quick-release device according to claim 8, characterized in that: A hexagonal groove is formed on one end of the plug away from the double-section threaded rod.

10. The method for using the inflatable cable terminal quick-disassembly device according to claim 9, characterized in that: The following steps are involved: S1. When removing the connection between the T-head and the equipment, place the arc clamp buckle on the outside of the T-head so that the clamping plate contacts the left sides of the two connecting blocks. Use the connector to connect and fix the clamping plate to the connecting blocks, and fix the T-head between the clamping plate and the arc clamp. S2. Use a pipe clamp to lock the lower end of the T-type connector to prevent gas from flowing to the lower end and causing the T-type connector to separate from the cable connection part prematurely; S3. Operate the adjustment assembly to move the baffle, base, and conical air head toward the T-shaped head, and insert the conical air head into the tail end of the T-shaped head; S4. Connect the inflation tube to the inflation connector, start the high-pressure air pump, and inject high-pressure air into the T-shaped head through the inflation tube, cylindrical body, and conical air head. Under the action of the high-pressure air, the solidified silicone grease is loosened, and at the same time, the negative pressure in the cavity of the T-shaped head is partially offset, thereby achieving the purpose of separating the T-shaped head from the equipment connector. Finally, after disassembly, turn off the high-pressure air pump; S5. Next, when it is necessary to remove the connection between the T-shaped head and the cable, first remove the pipe clamp, then insert one end of the double-section threaded rod through the front end of the T-shaped head and thread it into the connecting nut; S6. Thread the plug into the other end of the double-section threaded rod, insert a hexagonal wrench into the hexagonal groove, and use the hexagonal wrench to screw the plug into the front end of the T-shaped head to seal the front end of the T-shaped head and prevent gas from flowing out through the front end of the T-shaped head. S7. Start the high-pressure air pump and inject high-pressure air into the T-head through the inflation tube, cylindrical body and conical air head. Under the action of high-pressure air, the solidified silicone grease is loosened. At the same time, it can also offset part of the negative pressure in the cavity of the T-head to achieve the purpose of separating the T-head from the cable. Finally, after the cable is removed, turn off the high-pressure air pump.

Images