CN113437708B - Power cable intermediate connecting piece - Google Patents
Power cable intermediate connecting piece Download PDFInfo
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- CN113437708B CN113437708B CN202110704133.7A CN202110704133A CN113437708B CN 113437708 B CN113437708 B CN 113437708B CN 202110704133 A CN202110704133 A CN 202110704133A CN 113437708 B CN113437708 B CN 113437708B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0437—Channels
- H02G3/045—Channels provided with perforations or slots permitting introduction or exit of wires
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Abstract
The invention discloses a power cable middle connecting piece which comprises an upper pressing assembly and a lower clamping assembly and is characterized in that the lower clamping assembly comprises two clamping blocks with hinged bottoms, the opposite surfaces of the clamping blocks are provided with arc-shaped clamping surfaces matched with cables, the side parts of the clamping blocks are provided with a plurality of sliding blocks capable of sliding relative to the axis of the clamping assembly, and the front ends of the sliding blocks are also provided with arc-shaped clamping surfaces matched with the cables; the clamping block is provided with a clamping block driving arm, and the sliding block is hinged to the sliding block driving arm through a sliding block hinge shaft. The distance between the upper pressing assembly and the lower clamping assembly is adjustable, so that the diameter of the clamping inner hole can be controlled, the cable can be pulled without disassembling the cable, and the cable is convenient to wire and adjust later-stage circuits. In the process of drawing the cable, the cable is directly contacted with the sliding block with the smaller friction coefficient, so that the cable is drawn more easily, and the cable is prevented from being damaged.
Description
Technical Field
The invention relates to a power cable intermediate connecting piece, and belongs to the technical field of power cable accessories.
Background
The middle connecting piece of the power cable is used for supporting the cable, and is a connecting device between the cable and a cable support (commonly called a telegraph pole). Ideally the cable support should only withstand upward supporting forces, which may affect the mechanical stability of the entire line when the torque of the cable support exceeds a certain level.
As shown in fig. 8: fig. 8 is a power cable connector in the prior art, which generally employs a lower connecting groove Q to hold a cable, and then presses the cable inside the lower connecting groove Q by an upper press block P, and this structure has the following disadvantages that firstly, the cross-sectional shape of the lower connecting groove Q cannot be adjusted because the structure is fixed, and secondly, the whole connector is made of metal material to ensure strength and durability, and the friction coefficient of the connector is large; consequently in case the cable is installed in the inside of lower connecting groove Q, because lower connecting groove Q firmly wraps up the cable, just hardly twitch the cable in lower connecting groove Q, the adjustment of the setting up and the later stage of giving the cable causes the difficulty.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide the power cable middle connecting piece and solve the technical problem that the power cable middle connecting piece in the prior art is inconvenient to pull an inner cable.
In order to achieve the above object, the present invention adopts the following technical solutions:
the power cable middle connecting piece comprises an upper pressing assembly and a lower clamping assembly, and is characterized in that the lower clamping assembly comprises two clamping blocks with hinged bottoms, the opposite surfaces of the clamping blocks are provided with arc-shaped clamping surfaces matched with cables, the side parts of the clamping blocks are provided with a plurality of sliding blocks capable of sliding relative to the axis of the lower clamping assembly, and the front ends of the sliding blocks are also provided with arc-shaped clamping surfaces matched with the cables;
the clamping block is provided with a clamping block driving arm, and the sliding block is hinged to the sliding block driving arm through a sliding block hinge shaft;
the upper pressing assembly comprises a pressing cover, the lower end of the pressing cover is provided with an arc surface matched with the cable, the upper end of the pressing cover is hinged to one end of a pressing cover driving arm, and at least two pressing cover driving arms are arranged;
the clamping block driving arm and the sliding block driving arm are connected through a middle hinge shaft arranged at the upper end of the sliding block hinge shaft;
the upper ends of the clamping block driving arm, the sliding block driving arm and the gland driving arm are all connected to the driving arm control part;
when the lower clamping assembly is in a clamping state, the clamping surface of the sliding block is not higher than the clamping surface of the clamping block, and the gland is in a state close to the clamping center;
when the lower clamping assembly is in a non-clamping state, the clamping surface of the sliding block is higher than the clamping surface of the clamping block, and the gland is in a state far away from the clamping center;
the clamping block is made of metal materials, and the sliding block is made of solid self-lubricating materials.
As a preferred scheme of the present invention, in the power cable intermediate connection member, the driving arm control member is a crankshaft, the crankshaft includes a plurality of groups of driving sections connected in sequence, each group of driving sections includes a clamping block driving section, an eccentric section two, a gland driving section, an eccentric section one, and a slider driving section connected in sequence, and the clamping block driving section, the gland driving section, and the slider driving section are respectively connected to a clamping block driving arm, a gland driving arm, and a slider driving arm;
the crankshaft is also provided with a swing arm used for driving the crankshaft to rotate, and the swing arm is connected with a locking assembly used for fixing the swing arm at a certain angle.
As a preferred embodiment of the present invention, in the power cable intermediate connecting member, the upper end of the driving arm of the clamping block is connected to the rack, the locking assembly is disposed on one side of the rack, the locking assembly includes a rotary table, a driving pin is disposed at a non-center of the rotary table, an axis of the rotary table is rotatably connected to the rack through a central axis of the rotary table, the swing arm is connected to the driving pin through a driving slot, and the rotary table can rotate relative to the central axis of the rotary table and is locked at a plurality of fixed angles.
As a preferred scheme of the invention, the turntable is further provided with a turntable sleeve concentrically arranged with the turntable central shaft, a hexagonal inner hole is arranged in the turntable sleeve, the hanging frame is connected with the turntable central shaft and the turntable sleeve through the central sleeve, and the end part of the central sleeve is provided with a hexagonal section matched with the hexagonal inner hole;
when the turntable is in a rotatable state, a hexagonal inner hole is separated from the hexagonal section;
when the carousel locked in a certain angle, the hexagonal hole is connected to the hexagonal section.
As a preferred scheme of the invention, the power cable intermediate connecting piece comprises two hanging racks, each hanging rack is provided with a locking assembly, and the two locking assemblies are respectively used for locking crankshafts of two clamping blocks;
the central shaft of the turntable is provided with a spring for driving the hexagonal inner hole to move towards the hexagonal section.
As a preferred scheme of the invention, in the power cable intermediate connecting piece, the central shafts of the turntables of the two locking assemblies are coaxially arranged, wherein the end of one central shaft of the turntable is provided with a first pin hole, the end of the other central shaft of the turntable is provided with a sleeve, and the sleeve is provided with a second pin hole;
when the rotary disc is locked at a certain angle, the central shaft of the rotary disc is inserted into the sleeve, and the first pin hole and the second pin hole are connected through the split pin.
As a preferred embodiment of the present invention, in the power cable intermediate connector, the hanger is provided with two hanger grooves, the upper ends of all the clamping block driving arms of the same clamping block are connected to one of the hanger grooves through an upper end hanging shaft, and the upper ends of all the clamping block driving arms of the other clamping block are connected to the other hanger groove through another upper end hanging shaft;
the bent axle still is equipped with the locking plate, but locking plate tip swivelling joint bent axle, and the locking plate is equipped with a plurality of draw-in grooves of arranging in proper order, and when clamping component was in the clamping state down, certain draw-in groove joint driving pin.
In a preferred embodiment of the present invention, the sliding block of the power cable intermediate connecting member is made of one of nylon and teflon.
As a preferred embodiment of the present invention, the clamping block driving section, the eccentric section two, the gland driving section, the eccentric section one, and the slider driving section of the power cable intermediate connecting member are of an integrated steel bar structure.
In a preferred embodiment of the present invention, the slider driving arm is connected to the slider driving section through a kidney-shaped hole, wherein an axis of the kidney-shaped hole is parallel to an axis of the slider driving arm.
The invention achieves the following beneficial effects:
compared with the prior art, the distance between the upper pressing assembly and the lower clamping assembly is adjustable, so that the diameter of the clamping inner hole can be controlled, the cable can be pulled without detaching the cable, and the cable is convenient to wire and adjust later-stage circuits.
When the crankshaft is in a clamping state, the cable is simultaneously extruded by the upper pressing assembly and the lower clamping assembly, and the two locking assemblies used for controlling the crankshaft are in a mutually locking state, so that the reliability of cable connection is ensured.
In the process of drawing the cable, the cable is directly contacted with the sliding block with the smaller friction coefficient, so that the cable is drawn more easily, and the cable is prevented from being damaged.
The cable clamping device is simple to operate, and when the clamping state of a cable needs to be adjusted, the turntable is only required to be pulled to rotate for a certain angle.
Drawings
FIG. 1 is an isometric view of the overall construction of the present invention;
FIG. 2 is an isometric view of the overall structure of the present invention (with one of the clamping units hidden);
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of the connection of the crankshaft with the clamping block driving arm, the slider driving arm, and the gland driving arm in accordance with the present invention;
FIG. 5 is a block diagram of the slider of the present invention;
FIG. 6 is a view of the construction of the turntable sleeve of the present invention;
FIG. 7 is an exploded view of the locking assembly of the present invention;
FIG. 8 is a prior art power cable intermediate connector;
the meaning of the reference symbols in the figures: 1-a clamping block; 2-a slide block; 3-clamping block driving arm; 4-a slider drive arm; 5-a gland driving arm; 6-pressing the cover; 7-a crankshaft; 8-a locking assembly; 9-a hanging rack; 10-a cable; 21-a slider hinge axis; 31-a central hinge axis; 32-hanging a connecting shaft at the upper end; 41-kidney shaped hole; 71-a slider drive section; 72-eccentric section one; 73-a gland driving section; 74-eccentric section two; 75-a gripper block drive section; 76-swing arm; 761-drive slot; 77-locking plate; 771-card slot; 81-a drive pin; 82-a turntable; 83-a turntable sleeve; 84-turntable central axis; 841-a retainer ring; 85-pin hole I; 86-a sleeve; 861-Pin hole two; 87-a spring; 91-a central sleeve; 92-hexagonal section; 93-a hanger groove; 94-hitch screw; 831-hexagonal inner holes; q-lower connecting groove; p-briquetting.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 7: the embodiment discloses power cable intermediate junction spare, including last compress tightly subassembly and lower clamping unit, lower clamping unit includes two bottom articulated clamp block 1, and the opposite face of clamp block 1 is equipped with cable 10 outline assorted arc clamping face, the lateral part of clamp block 1 is equipped with a plurality of rectangle openings, be equipped with in this rectangle opening can be for lower clamping unit axle center (install in the axle center of lower clamping unit cable 10) gliding slider 2, the front end of slider 2 also be equipped with cable assorted arc clamping face.
The clamping block 1 is provided with a clamping block driving arm 3, and the sliding block 2 is hinged to the sliding block driving arm 4 through a sliding block hinge shaft 21.
That is to say, lower clamping component includes the clamping unit of two sets of symmetry settings, and the bottom of two sets of clamping unit articulates together, presss from both sides the regulation of position between the block 1 through pressing from both sides the block actuating arm 3 drive two, then realizes the regulation to cable 10 clamp force size. Adjustment of the distance of the slider 2 relative to the cable 10 is achieved by driving the slider drive arm 4 angularly relative to the gripper block drive arm 3.
The upper pressing assembly comprises a pressing cover 6, the lower end of the pressing cover 6 is provided with an arc surface matched with the cable, the upper end of the pressing cover 6 is hinged to one end of a pressing cover driving arm 5, the pressing cover driving arm 5 has two angles, therefore, at least two pressing cover driving arms 5 are provided, the pressing cover driving arms 5 with the two angles are V-shaped, and the upper ends of the pressing cover driving arms respectively correspond to the two groups of clamping units. The pressing or releasing of the gland 6 to the cable 10 is realized by the common push-and-pull of two groups of gland driving arms 5.
Wherein, the clamping block driving arm 3 and the sliding block driving arm 4 are connected through a middle hinge shaft 31 arranged at the upper end of the sliding block hinge shaft 21; the upper ends of the clamping block driving arm 3, the sliding block driving arm 4 and the gland driving arm 5 are all connected to the driving arm control part.
When the lower clamping assembly is in the clamping state, the clamping surface of the sliding block 2 is not higher than the clamping surface of the clamping block 1, and at this time, the clamping block 1 clamps the cable 10, so that the gland 6 is also in the clamping state, namely, in a state of being close to the clamping center (the axis of the cable 10).
When a cable clamped inside needs to be pulled, and the lower clamping assembly needs to be switched to a non-clamping state, the clamping surface of the sliding block 2 is higher than the clamping surface of the clamping block 1, the cable 10 is supported by the sliding block 2, the cable 10 is separated from the clamping surface of the clamping block 1, and in the state, the gland 6 does not need to be clamped, so that the clamping assembly is in a state away from the clamping center.
The clamping block 1 of this embodiment is preferably made of metal, and the slide block 2 is made of a solid self-lubricating material, such as one of nylon and teflon in the prior art.
The driving arm control part of the embodiment is a crankshaft 7, the crankshaft 7 comprises a plurality of groups of driving sections which are sequentially connected, adjacent compact block driving arms 3, gland driving arms 5 and slider driving arms 4 are regarded as a group of driving parts to be driven, and the number of the groups of the driving sections is consistent with the number of the driving parts to be driven. Each group of driving sections comprises a clamping block driving section 75, an eccentric section II 74, a gland driving section 73, an eccentric section I72 and a slide block driving section 71 which are connected in sequence, wherein the clamping block driving section 75, the gland driving section 73 and the slide block driving section 71 are in parallel relation, and the eccentric section I72 and the eccentric section II 74 connect the three driving sections (the clamping block driving section 75, the gland driving section 73 and the slide block driving section 71) into a crankshaft with a certain eccentric relation. The first eccentric section 72 and the second eccentric section 74 may be circular, and then the first eccentric section 72 and the second eccentric section 74 are mounted with the first clamping block driving section 75, the pressing cover driving section 73, and the sliding block driving section 71 not being eccentric, and the specific eccentric amount and the eccentric angle need to satisfy the motion relationship of the embodiment.
In some application scenarios, in order to reduce the cost of the crankshaft 7 (the processing cost of the crankshaft is high), the crankshaft 7 can be formed by bending a steel bar, and then the clamping block driving section 75, the eccentric section two 74, the gland driving section 73, the eccentric section one 72, and the slider driving section 71 are of an integrated steel bar structure; meanwhile, the connecting holes of the clamping block driving arm 3, the gland driving arm 5, the slider driving arm 4 and the crankshaft 7 also need to meet the assembly relationship, and the specific structure can be configured by a person skilled in the art according to the situation.
Wherein the slider driving arm 4 is connected to the slider driving section 71 through a kidney-shaped hole 41, wherein the axis of the kidney-shaped hole 41 is parallel to the axis of the slider driving arm 4.
The clamping block driving section 75, the gland driving section 73 and the slider driving section 71 are respectively connected with the clamping block driving arm 3, the gland driving arm 5 and the slider driving arm 4.
The crankshaft 7 needs to control the actions of the clamping block 1 and the sliding block 2 through rotation, so the crankshaft 7 of the embodiment is further provided with a swing arm 76 for driving the crankshaft 7 to rotate, and the swing arm 76 is connected with a locking assembly 8 for fixing the swing arm 76 at a certain angle.
The upper end of the clamping block driving arm 3 is connected with a hanging rack 9, a locking assembly 8 is arranged on one side of the hanging rack 9, and a hanging screw 94 is arranged at the upper end of the hanging rack 9 and used for hanging the embodiment on a cable bracket.
The locking assembly 8 comprises a rotary disc 82, a driving pin 81 is arranged at a non-circle center of the rotary disc 82, the axis of the rotary disc 82 is rotatably connected with the hanging frame 9 through a rotary disc central shaft 84, the swing arm 76 is connected with the driving pin 81 through a driving groove 761, and the rotary disc 82 can rotate relative to the rotary disc central shaft 84 and can be locked at a plurality of fixed angles.
Specifically, the method comprises the following steps: the turntable 82 is further provided with a turntable sleeve 83 concentrically arranged with the turntable central shaft 84, a hexagonal inner hole 831 (fig. 6) is arranged in the turntable sleeve 83, the hanger 9 is connected with the turntable central shaft 84 and the turntable sleeve 83 through a central sleeve 91, the central sleeve 91 is of a hollow structure, the turntable central shaft 84 can rotate inside the central sleeve, the turntable sleeve 83 is sleeved outside the central sleeve 91, and the end part of the central sleeve 91 is provided with a hexagonal section 92 matched with the hexagonal inner hole 831.
When the turntable 82 is in a rotatable state, the hexagonal section 92 is separated from the hexagonal inner hole 831; when the dial 82 is locked at an angle, locking is achieved by the insertion of the hexagonal section 92 into the hexagonal bore 831.
The hanging rack 9 of the embodiment has two, each hanging rack 9 is provided with a locking component 8, and the two locking components 8 are respectively used for locking the crankshafts 7 of the two clamping blocks 1, namely the crankshafts 7 of the two groups of clamping units.
In order to improve the convenience of operation and the reliability of the present embodiment, the turntable central shaft 84 of the present embodiment is provided with a spring 87 for driving the hexagonal inner hole 831 to move toward the hexagonal section 92.
The turntable central shafts 84 of the two locking assemblies 8 are coaxially arranged, the end part of one turntable central shaft 84 is provided with a first pin hole 85, the end part of the other turntable central shaft 84 is provided with a sleeve 86, and the sleeve 86 is provided with a second pin hole 861;
when the turntable 82 is locked at a certain angle, the turntable central shaft 84 is inserted into the sleeve 86, and the pin hole I85 and the pin hole II 861 are connected through split pins.
The specific connection mode of the spring 87 can adopt the following structure, a rotary table central shaft 84 provided with a first pin hole 85 is provided with a retainer ring 841, the spring 87 is sleeved on the rotary table central shaft 84, and the two ends of the spring 87 are respectively connected with the retainer ring 841 and the hanging rack 9; the other spring 87 is connected to the sleeve 86 and the hanger 9 at two ends.
The hanger 9 is provided with two hanger grooves 93, the upper ends of all the clamping block driving arms 3 of the same clamping block 1 are connected with one hanger groove 93 through the upper end hanging shaft 32, and the upper ends of all the clamping block driving arms 3 of the other clamping block 1 are connected with the other hanger groove 93 through the other upper end hanging shaft 32.
When normal use, in order to avoid upper end peg 32 to slide in stores pylon groove 93, this embodiment bent axle 7 still is equipped with locking plate 77, and 77 tip swivelling joint bent axles 7 of locking plate, locking plate 77 are equipped with a plurality of draw-in grooves 771 of arranging in proper order, and when clamping component was in the clamping state down, certain draw-in groove 771 joint drive round pin 81. Since the distance between the two upper hanging shafts 32 is constant in the clamped state, the upper hanging shaft 32 can be prevented from sliding in the hanging rack groove 93 by controlling the position of one upper hanging shaft 32.
When the length of the crankshaft 7 is too long or the number of the aforementioned members to be driven is large, a plurality of swing arms 76 and locking plates 77 may be provided for the crankshaft 7 of each clamping unit.
In use, in the process of switching the embodiment from the non-clamping state to the clamping state, the turntable 82 moves axially to separate the hexagonal inner hole 831 from the hexagonal section 92, the crankshaft turntable 82 rotates, the swing arm 76 is driven to rotate by the driving pin 81, in the process, the driving process of the crankshaft 7 is as follows, the gland driving section 73 presses the gland 6 by the gland driving arm 5 to move towards the cable 10, the upper end of the clamping block driving arm 3 swings outwards (relative to the position of the clamping center), the upper side of the slider driving arm 4 moves inwards, and the arrow in fig. 4 shows the general movement direction (only for understanding) of the part with the arrow, so when the clamping block 1 clamps the cable 10, the slider 2 moves away from the cable 10 and the front end of the slider 2 is sunken to the clamping surface of the clamping block 1. The clamp block driving arm 3 presses the gland 6 against the cable 10 via the crankshaft 7 and the gland driving arm 5.
When in the clamping state, the hexagonal inner hole 831 is sleeved into the hexagonal section 92 and is in the fixing state under the action of the spring 87, and because two groups of locking assemblies 8 are arranged concentrically, when two groups of locking assemblies 8 are simultaneously in the fixing state (the hexagonal inner hole 831 is sleeved into the hexagonal section 92), a split pin is inserted between the first pin hole 85 and the second pin hole 861, so that the two groups of locking assemblies 8 cannot be loosened (the hexagonal inner hole 831 cannot be separated from the hexagonal section 92). Finally, the locking groove 771 is locked to the driving pin 81.
When the switching process from the clamping state to the non-clamping state is performed, the driving pin 81 drives the swing arm 76 to rotate reversely, and the specific switching principle can be referred to as the working process, the sliding block 2 moves towards the cable 10, the front end of the sliding block 2 protrudes to the clamping surface of the clamping block 1, and the gland 6 moves upwards to release the cable 10. In this state, the cable 10 is mainly held by the slider 2, and the friction coefficient of the material of the slider 2 is low, so that the cable is very convenient to pull.
Compared with the prior art, compress tightly the subassembly on this embodiment and down the distance between the clamping component is adjustable, makes the diameter of centre gripping hole steerable, can not dismantle under cable and the prerequisite, twitch cable 10, the adjustment of the wiring of being convenient for and later stage circuit.
When the cable is in a clamping state, the cable is simultaneously extruded by the upper pressing assembly and the lower clamping assembly, and the two locking assemblies 8 used for controlling the crankshaft 7 are in a mutually locking state, so that the reliability of cable connection is ensured.
In the process of drawing the cable, the cable is directly contacted with the sliding block 2 with a smaller friction coefficient, so that the cable is more easily drawn, and the cable is prevented from being damaged.
This embodiment easy operation, when the centre gripping state of cable needs to be adjusted, only need twitch carousel 82, carry out the rotation of certain angle can.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The power cable middle connecting piece comprises an upper pressing assembly and a lower clamping assembly, and is characterized in that the lower clamping assembly comprises two clamping blocks (1) with hinged bottoms, arc-shaped clamping surfaces matched with cables are arranged on opposite surfaces of the clamping blocks (1), a plurality of sliding blocks (2) capable of sliding relative to the axis of the lower clamping assembly are arranged on the side portions of the clamping blocks (1), and arc-shaped clamping surfaces matched with the cables are also arranged at the front ends of the sliding blocks (2);
the clamping block (1) is provided with a clamping block driving arm (3), and the sliding block (2) is hinged to the sliding block driving arm (4) through a sliding block hinge shaft (21);
the upper pressing assembly comprises a pressing cover (6), the lower end of the pressing cover (6) is provided with an arc surface matched with the cable, the upper end of the pressing cover (6) is hinged to one end of a pressing cover driving arm (5), and at least two pressing cover driving arms (5) are arranged;
the clamping block driving arm (3) and the sliding block driving arm (4) are connected through a middle hinge shaft (31) arranged at the upper end of the sliding block hinge shaft (21);
the upper ends of the clamping block driving arm (3), the sliding block driving arm (4) and the gland driving arm (5) are connected to the driving arm control part;
when the lower clamping assembly is in a clamping state, the clamping surface of the sliding block (2) is not higher than that of the clamping block (1), and the gland (6) is in a state close to the clamping center;
when the lower clamping assembly is in a non-clamping state, the clamping surface of the sliding block (2) is higher than the clamping surface of the clamping block (1), and the gland (6) is in a state far away from the clamping center;
the clamping block (1) is made of metal materials, and the sliding block (2) is made of solid self-lubricating materials.
2. The power cable intermediate connecting piece according to claim 1, wherein the driving arm control member is a crankshaft (7), the crankshaft (7) comprises a plurality of groups of sequentially connected driving sections, each group of driving sections comprises a clamping block driving section (75), an eccentric section II (74), a gland driving section (73), an eccentric section I (72) and a slider driving section (71) which are sequentially connected, and the clamping block driving section (75), the gland driving section (73) and the slider driving section (71) are respectively connected with the clamping block driving arm (3), the gland driving arm (5) and the slider driving arm (4);
the crankshaft (7) is further provided with a swing arm (76) used for driving the crankshaft (7) to rotate, and the swing arm (76) is connected with a locking assembly (8) used for fixing the swing arm (76) at a certain angle.
3. The power cable intermediate connecting piece of claim 2, wherein the clamping block driving arm (3) is connected to the hanger (9) at the upper end, the locking assembly (8) is arranged on one side of the hanger (9), the locking assembly (8) comprises a rotary table (82), a driving pin (81) is arranged at a non-circle center of the rotary table (82), the rotary table (82) is rotatably connected to the hanger (9) through a rotary table central shaft (84) at the axis, the swing arm (76) is connected to the driving pin (81) through a driving groove (761), and the rotary table (82) can rotate relative to the rotary table central shaft (84) and is locked at a plurality of fixed angles.
4. The power cable intermediate connecting piece according to claim 3, wherein the turntable (82) is further provided with a turntable sleeve (83) concentrically arranged with the turntable central shaft (84), a hexagonal inner hole (831) is arranged in the turntable sleeve (83), the hanger (9) is connected with the turntable central shaft (84) and the turntable sleeve (83) through a central sleeve (91), and the end of the central sleeve (91) is provided with a hexagonal section (92) matched with the hexagonal inner hole (831);
when the turntable (82) is in a rotatable state, the hexagonal section (92) is separated from the hexagonal inner hole (831);
when the rotating disc (82) is locked at a certain angle, the hexagonal section (92) is connected with the hexagonal inner hole (831).
5. A power cable intermediate connection member as claimed in claim 4, characterized in that there are two of said hangers (9), each hanger (9) being provided with a locking assembly (8), the two locking assemblies (8) being respectively for locking the crankshafts (7) of the two clamping blocks (1);
the turntable central shaft (84) is provided with a spring (87) for driving the hexagonal inner hole (831) to move towards the hexagonal section (92).
6. A power cable intermediate connector according to claim 5, characterized in that the turntable central axes (84) of the two locking assemblies (8) are coaxially arranged, wherein the end of one turntable central axis (84) is provided with a first pin hole (85), the end of the other turntable central axis (84) is provided with a sleeve (86), and the sleeve (86) is provided with a second pin hole (861);
when the turntable (82) is locked at a certain angle, the turntable central shaft (84) is inserted into the sleeve (86), and the pin hole I (85) and the pin hole II (861) are connected through a cotter pin.
7. A power cable intermediate connection member as claimed in claim 5, wherein the hanger (9) is provided with two hanger grooves (93), the upper ends of all the clamping block driving arms (3) of the same clamping block (1) are connected with one of the hanger grooves (93) through an upper end hitching shaft (32), and the upper ends of all the clamping block driving arms (3) of the other clamping block (1) are connected with the other hanger groove (93) through the other upper end hitching shaft (32);
bent axle (7) still are equipped with locking plate (77), but locking plate (77) tip swivelling joint bent axle (7), locking plate (77) are equipped with a plurality of draw-in grooves (771) of arranging in proper order, and when clamping component was in the clamping state down, certain draw-in groove (771) joint drive round pin (81).
8. A power cable intermediate connection according to claim 1, characterized in that the material of the slider (2) is one of nylon or teflon.
9. A power cable intermediate connection according to claim 2, characterized in that the clamping block driving section (75), the eccentric section two (74), the gland driving section (73), the eccentric section one (72), the slider driving section (71) are of an integral steel bar structure.
10. A power cable intermediate connection according to claim 2, characterized in that the slider drive arm (4) is connected to the slider drive section (71) by means of a kidney-shaped hole (41), wherein the axis of the kidney-shaped hole (41) is parallel to the axis of the slider drive arm (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110704133.7A CN113437708B (en) | 2021-06-24 | 2021-06-24 | Power cable intermediate connecting piece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110704133.7A CN113437708B (en) | 2021-06-24 | 2021-06-24 | Power cable intermediate connecting piece |
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| CN113437708A CN113437708A (en) | 2021-09-24 |
| CN113437708B true CN113437708B (en) | 2022-02-11 |
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| CN202110704133.7A Active CN113437708B (en) | 2021-06-24 | 2021-06-24 | Power cable intermediate connecting piece |
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| US10268010B2 (en) * | 2013-07-12 | 2019-04-23 | CommScope Connectivity Belgium BVBA | Clamping and attachment device for cable element |
| CN108963869B (en) * | 2018-08-22 | 2020-02-14 | 山东源泰电力科技有限公司 | Clamp for assisting cable erection and wire drawing device using same |
| CN112217142B (en) * | 2020-10-27 | 2021-10-29 | 国网山东省电力公司济南供电公司 | High altitude cable foreign matter cleaning device that unmanned aerial vehicle carried on |
| CN112404856A (en) * | 2020-11-20 | 2021-02-26 | 十堰东骏智能科技有限公司 | Clamping device for tailor welding of high-strength steel plates |
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