Cable connection device for cable well

Abstract

The present invention discloses a cable wiring device for a cable well, which relates to the field of cable connection technology, including a box body and two wiring units located in the box body, each of the wiring units including an arc-shaped support plate, a conductive plate, a knife assembly and a ring knife assembly, the arc-shaped support plate is fixedly connected in the box body, the ring knife assembly includes a plurality of cutters arranged in a ring array along the base circle where the arc-shaped support plate is located, each of the cutters is connected to the box body by centripetal sliding, the knife assembly includes two cutters arranged in parallel, the conductive plate is connected to the box body by rotation; a lifting frame is provided in the box body for vertical sliding, and the two cutters of each wiring unit are connected to the lifting frame for horizontal reverse sliding; when the lifting frame moves downward, the cutters of the ring knife assembly slide and close to perform ring cutting on the cable skin. Through the above technical scheme, the present invention realizes a simple and convenient wiring process, thereby improving the working efficiency of connecting cables.

Description

Technical Field

[0001] The invention relates to the technical field of cable connection, in particular to a cable wiring device for a cable well. Background Art

[0002] A cable well, also called a cable tunnel or cable channel, is an underground or ground structure specially designed to accommodate and protect cables. Cable wells are generally divided into manhole wells and handhole wells. Manhole wells are larger, and people can go down into the well to perform construction operations. Handhole wells are smaller, and usually only hands can be inserted into them for operations. They are mainly used on branch lines. Junction boxes are usually used to connect the cables inside the cable well, so as to adapt to various harsh environments, such as humidity, high temperature, corrosion, etc., making the maintenance and management of electrical equipment more convenient.

[0003] The patent with announcement number CN220358703U discloses a cable wiring positioning device, including a wiring positioning device body, a wiring positioning component is fixedly installed inside the wiring positioning device body, a protective plate is fixedly installed on the right side of the wiring positioning component, an adjustment slot is opened below the protective plate, a first rotating column is fixedly installed inside the protective plate, a second rotating column is fixedly installed on the left side of the first rotating column, a threaded rod is fixedly installed below the second rotating column, and the side of the threaded rod is engaged and connected with an adjustment column; the protective plate is pushed out from the inside of the adjustment slot by passing the cable through the first wiring port, the first rotating column and the second rotating column are twisted to drive the threaded rod to engage with the inside of the adjustment column, the insulating push rod is controlled to connect the wiring and descend, the cable pressure plate and the insulating pressure plate are pushed out to fix the cable, the cable is easy to install and disassemble, and the positioning is accurate.

[0004] In the prior art such as the above-mentioned patent, during the process of wiring the cable, the cable is first inserted into the stripping port for stripping, then the stripped cable is pulled out, and finally the stripped cable is inserted into the wiring port for wiring. The operation steps are relatively cumbersome, which affects the work efficiency of connecting the cables. Summary of the invention

[0005] The object of the present invention is to provide a cable wiring device for a cable well to solve the deficiencies in the above-mentioned prior art.

[0006] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cable wiring device for a cable well, comprising a box body and two wiring units located in the box body, each of the wiring units comprising an arc-shaped support plate, a conductive plate, a knife assembly and a ring knife assembly, the arc-shaped support plate is fixedly connected in the box body, the ring knife assembly comprises a plurality of cutters arranged in a ring array along a base circle where the arc-shaped support plate is located, each of the cutters is connected to the box body for centripetal sliding, the knife assembly comprises two cutters arranged in parallel, and the conductive plate is connected to the box body for rotation; a lifting frame is vertically slidably arranged in the box body, and the two cutters of each wiring unit are connected to the lifting frame for horizontal reverse sliding; when the lifting frame moves downward, the cutters of the ring knife assembly slide and close to perform ring cutting on the cable sheath, and at the same time, the two cutters of the knife assembly radially cut the cable sheath in the fitted state, and then separate to peel off the cable sheath, and then the conductive plate rotates to the corresponding cable core for conductive fitting.

[0007] Furthermore, a push rod is fixedly connected to the conductive plate, a push folding rail is vertically slidably provided in the box body, and one end of the push rod is slidably connected to the push folding rail.

[0008] Furthermore, a screw rod is rotatably connected in the box body, the push folding rail and the lifting frame are both threadedly sleeved on the screw rod, and the top end of the screw rod passes through the side wall of the box body and is fixedly connected with a rotating handle.

[0009] Furthermore, an elastic member is arranged between the two push rods.

[0010] Furthermore, each of the ring cutters is fixedly connected with a convex rod, the box body is rotatably connected with a ring, a plurality of arc-shaped short rails are arranged in a circular array on the ring, one end of the convex rod passes through the side wall of the box body and extends to the interior of the arc-shaped short rail, the ring is fixedly connected with an L rod, the lifting frame is fixedly connected with a right-angle guide rail, one end of the L rod passes through the side wall of the box body and extends to the interior of the right-angle guide rail.

[0011] Furthermore, a telescopic rod is fixedly connected to one side of the two cutting knives that are away from each other, and the cutting knives are slidably connected to the lifting frame through the telescopic rod. A control rod is fixedly connected to the telescopic rod, and an opening and closing slide rail is fixedly connected to the box body. The opening and closing slide rail includes a closing groove, an arc groove and an open groove that are connected from top to bottom, and one end of the control rod is slidably connected to the opening and closing slide rail.

[0012] Furthermore, one end of the arc-shaped support plate is fixedly connected with a stopper.

[0013] In the above technical scheme, the present invention provides a cable wiring device for a cable well, which controls the screw to rotate forward, drives the lifting frame to slide downward, and drives the cutting knives in the ring knife assembly to slide and close in the box body to perform ring cutting on the cable skin; at the same time, the lifting frame drives the two cutting knives in the knife assembly to be in a fitted state to perform wire cutting on the cable skin; then the lifting frame drives the two cutting knives to be in an open state to peel and cut off the cable skin after wire cutting (so that the cable core is exposed); by controlling the screw to rotate in the opposite direction, the screw drives the push folding rail to slide upward, and the push folding rail pushes the two conductive plates to rotate downward through the push rod, so that the two conductive plates are conductively fitted with their corresponding cable cores. The wiring process is simple and convenient, thereby improving the work efficiency of connecting cables. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0015] Figure 1 A schematic diagram of the overall structure provided by an embodiment of the present invention;

[0016] Figure 2 A schematic diagram of the structure of a conductive plate provided in an embodiment of the present invention;

[0017] Figure 3 A schematic diagram of the structure of a lifting frame provided by an embodiment of the present invention;

[0018] Figure 4 A schematic diagram of the structure of an opening and closing slide rail provided in an embodiment of the present invention;

[0019] Figure 5 A schematic diagram of the structure of an arc-shaped support plate provided in an embodiment of the present invention;

[0020] Figure 6 A schematic diagram of the structure of a push folding rail provided in an embodiment of the present invention;

[0021] Figure 7 A schematic diagram of the structure of a knife sticking assembly provided in an embodiment of the present invention;

[0022] Figure 8 A schematic structural diagram of a ring knife assembly provided in an embodiment of the present invention.

[0023] Description of reference numerals:

[0024] 1. Box body; 11. Arc-shaped support plate; 12. Conductive plate; 13. Lifting frame; 2. Ring knife assembly; 21. Cutter; 22. Protruding rod; 23. Ring; 24. Arc-shaped short rail; 25. L rod; 26. Right-angle guide rail; 3. Knife sticking assembly; 31. Cutter; 32. Telescopic rod; 33. Control rod; 34. Opening and closing slide rail; 35. Closing groove; 36. Arc-shaped groove; 37. Slotting; 4. Screw; 41. Turning handle; 5. Push rod; 51. Push folding rail; 6. Stop block; 7. Elastic member. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] See also Figure 1-8 A cable wiring device for a cable well provided by an embodiment of the present invention comprises a box body 1 and two wiring units located in the box body 1, each wiring unit comprises an arc-shaped support plate 11, a conductive plate 12, a knife assembly 3 and a ring knife assembly 2, the arc-shaped support plate 11 is fixedly connected in the box body 1, the ring knife assembly 2 comprises a plurality of cutters 21 arranged in a ring array along the base circle where the arc-shaped support plate 11 is located, each cutter 21 is connected to the box body 1 by centripetal sliding, the knife assembly 3 comprises two cutters 31 arranged in parallel, and the conductive plate 12 is connected to the box body 1 by rotation; a lifting frame 13 is vertically slidably arranged in the box body 1, and the two cutters 31 of each wiring unit are connected to the lifting frame 13 by horizontal reverse sliding; when the lifting frame 13 moves downward, each cutter 21 of the ring knife assembly 2 slides and closes to perform ring cutting on the cable skin, and at the same time, the two cutters 31 of the knife assembly 3 radially cut the cable skin in the fitted state, and then separate to peel off the cable skin, and then the conductive plate 12 rotates to the corresponding cable core for conductive fitting.

[0027] Specifically, a push rod 5 is fixedly connected to the conductive plate 12, a push folding rail 51 is vertically slidably provided in the box body 1, and one end of the push rod 5 is slidably connected to the push folding rail 51. A screw rod 4 is rotatably connected in the box body 1, and the push folding rail 51 and the lifting frame 13 are both threadedly sleeved on the screw rod 4. The top end of the screw rod 4 passes through the side wall of the box body 1 and is fixedly connected to a rotating handle 41. A stopper 6 is fixedly connected to one end of the arc-shaped support plate 11.

[0028] Specifically, each ring cutter is fixedly connected with a protruding rod 22, a ring 23 is rotatably connected to the box body 1, a plurality of arc-shaped short rails 24 are arranged in a circular array on the ring 23, one end of the protruding rod 22 passes through the side wall of the box body 1 and extends to the interior of the arc-shaped short rail 24, an L-rod 25 is fixedly connected to the ring 23, a right-angle guide rail 26 is fixedly connected to the lifting frame 13, one end of the L-rod 25 passes through the side wall of the box body 1 and extends to the interior of the right-angle guide rail 26.

[0029] Specifically, a telescopic rod 32 is fixedly connected to the side where the two cutting knives 31 are away from each other, and the cutting knives 31 are slidably connected to the lifting frame 13 through the telescopic rod 32. A control rod 33 is fixedly connected to the telescopic rod 32, and an opening and closing slide rail 34 is fixedly connected inside the box body 1. The opening and closing slide rail 34 includes a groove 35, an arc groove 36 and a groove 37 connected from top to bottom, and one end of the control rod 33 is slidably connected to the opening and closing slide rail 34.

[0030] In the above technical scheme, the present invention provides a cable wiring device for a cable well, which inserts the cable to be wired into the plug hole on the box body 1, so that one end of the cable moves along the arc-shaped support plate 11 toward the stopper 6 until one end of the cable contacts the stopper 6 on the arc-shaped support plate 11, and controls the rotating handle 41 to rotate forward on the box body 1, and the rotating handle 41 drives the screw 4 to rotate forward in the box body 1, and the screw 4 drives the lifting frame 13 on the outside thereof to slide vertically downward in the box body 1, and the lifting frame 13 is moved downward. The right-angle guide rail 26 on the outside thereof is driven to slide vertically downward. The right-angle guide rail 26 pushes the L-rod 25 and the ring 23 to rotate around the axis of the cable on the box body 1 through its horizontal end. The ring 23 drives the multiple arc-shaped short rails 24 on the inside thereof to rotate synchronously. Under the limiting effect of the arc-shaped short rails 24, the multiple arc-shaped short rails 24 drive the multiple cutters 21 to slide along the radial direction of the cable on the box body 1 through the convex rods 22 on the inside thereof, so that the multiple cutters 21 slide and close on the box body 1 to perform circular cutting on the cable skin.

[0031] As one of the embodiments of the present invention, the rotating handle 41 is continuously rotated forward, the rotating handle 41 continues to drive the screw rod 4 to rotate forward, the screw rod 4 drives the lifting frame 13 to continue to slide downward, the lifting frame 13 drives the telescopic rod 32 and the cutting knife 31 below it to move downward, the telescopic rod 32 drives the control rod 33 on its outer side to slide downward along the joint groove 35, under the guidance of the joint groove 35, the two parallel cutting knives 31 keep in contact and move downward, the two cutting knives 31 in the contact state move downward to cut the cable sheath, after the wire cutting is completed, the telescopic rod 32 drives the control rod 3 3 slides downward along the arc groove 36. Under the guidance of the arc groove 36, the telescopic rod 32 drives the two cutters 31 to move downward along the two sides of the cable core. The two cutters 31 peel off the cable skin after the wire cutting outward through their blades (so that the cable core is exposed). When the telescopic rod 32 drives the control rod 33 to slide downward along the slot 37, under the guidance of the slot 37, the telescopic rod 32 drives the two cutters 31 to move downward at a fixed interval. Under the fixing effect of the arc support plate 11, the two cutters 31 cut the cable skin on both sides of the arc support plate 11 downward.

[0032] In another embodiment provided by the present invention, by rotating the rotating handle 41 in the opposite direction, the rotating handle 41 drives the screw 4 to rotate in the opposite direction, the screw 4 drives the lifting frame 13 to slide upward, the lifting frame 13 drives the telescopic rod 32 and the cutting knife 31 to move upward (so that the knife assembly 3 is reset), and at the same time the lifting frame 13 drives the right-angle guide rail 26 to move upward, after the right-angle guide rail 26 is slidably connected to the L rod 25 through its vertical end, the right-angle guide rail 26 pushes the L rod 25, the ring 23 and the arc-shaped short rail 24 to rotate through its horizontal end, and the arc-shaped short rail 24 drives multiple cutters 21 to slide and spread on the box body 1 through the protruding rod 22 (so that the ring knife assembly 2 is reset).

[0033] In another embodiment provided by the present invention, the handle 41 is rotated in the reverse direction, and the handle 41 continues to drive the screw rod 4 to rotate in the reverse direction, and the screw rod 4 drives the push folding rail 51 on its outer side to slide vertically upward in the box body 1. Under the limiting effect of the push folding rail 51, the push folding rail 51 pushes the two push rods 5 and the two conductive plates 12 to rotate downward through its inclined end, so that the two conductive plates 12 rotate downward to conduct electricity with the corresponding cable cores, and the wiring of the cable is completed. The wiring process is simple and convenient, thereby improving the working efficiency of connecting cables.

[0034] As a preferred technical solution of this embodiment, both ends of the right-angle guide rail 26 are set to be open. After the right-angle guide rail 26 drives each cutter 21 to slide and close, the right-angle guide rail 26 is separated from the L-rod 25 through the opening at its vertical end. After the right-angle guide rail 26 drives each cutter 21 to slide and disperse, the right-angle guide rail 26 is separated from the L-rod 25 through the opening at its horizontal end.

[0035] As a preferred technical solution of this embodiment, an elastic member 7 is provided between the two push rods 5. By providing the elastic member 7, in a natural state, the elastic member 7 pulls the two push rods 5 and the two conductive plates 12 to be fixed in position in the box body 1, and in the process of pushing the folding rail 51 to move upward, the push rod 5 can be located inside the push folding rail 51, so that the push folding rail 51 is pushed through the push rod 5 to push the two conductive plates 12 to rotate downward.

[0036] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A cable wiring device for a cable well, comprising a box body (1) and two wiring units located in the box body (1), characterized in that: Each of the wiring units comprises an arc-shaped support plate (11), a conductive plate (12), a knife assembly (3) and a ring knife assembly (2), wherein the arc-shaped support plate (11) is fixedly connected to the box body (1), the ring knife assembly (2) comprises a plurality of cutters (21) arranged in a ring array along a base circle where the arc-shaped support plate (11) is located, each of the cutters (21) is connected to the box body (1) in a centripetal sliding manner, the knife assembly (3) comprises two cutters (31) arranged in parallel, and the conductive plate (12) is rotatably connected to the box body (1); A lifting frame (13) is vertically slidably disposed in the box body (1), and two cutting knives (31) of each wiring unit are horizontally reversely slidably connected to the lifting frame (13); A push rod (5) is fixedly connected to the conductive plate (12), a push folding rail (51) is vertically slidably arranged in the box body (1), and one end of the push rod (5) is slidably connected to the push folding rail (51); Each of the cutters (21) is fixedly connected to a convex rod (22); a ring (23) is rotatably connected to the box body (1); a plurality of arcuate short rails (24) are arranged in a ring array on the ring (23); one end of the convex rod (22) penetrates the side wall of the box body (1) and extends to the inside of the arcuate short rail (24); an L rod (25) is fixedly connected to the ring (23); a right-angle guide rail (26) is fixedly connected to the lifting frame (13); one end of the L rod (25) penetrates the side wall of the box body (1) and extends to the inside of the right-angle guide rail (26); When the lifting frame (13) moves downward, the cutters (21) of the circular knife assembly (2) slide together to perform circular cutting on the cable skin, and at the same time, the two cutters (31) of the pasting knife assembly (3) radially cut the cable skin in the pasted state, and then separate to peel off the cable skin, and then the conductive plate (12) rotates to the corresponding cable core for conductive pasting.

2. A cable connection device for a cable well according to claim 1, characterized in that: A screw rod (4) is rotatably connected inside the box body (1), the push folding rail (51) and the lifting frame (13) are both threadedly sleeved on the screw rod (4), and the top end of the screw rod (4) passes through the side wall of the box body (1) and is fixedly connected to a rotating handle (41).

3. A cable connection device for a cable well according to claim 1, characterized in that: An elastic member (7) is provided between the two push rods (5).

4. A cable connection device for a cable well according to claim 1, characterized in that: A telescopic rod (32) is fixedly connected to the side where the two cutting knives (31) are separated from each other. The cutting knives (31) are slidably connected to the lifting frame (13) via the telescopic rod (32). A control rod (33) is fixedly connected to the telescopic rod (32). An opening and closing slide rail (34) is fixedly connected inside the box body (1). The opening and closing slide rail (34) comprises a closing groove (35), an arc groove (36) and an opening groove (37) which are connected from top to bottom. One end of the control rod (33) is slidably connected to the opening and closing slide rail (34).

5. A cable connection device for a cable well according to claim 1, characterized in that: A stopper (6) is fixedly connected to one end of the arc-shaped support plate (11).

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