CN113594961A - New-type flexible interim cross arm device of hand formula of 10kV net distribution live working - Google Patents
New-type flexible interim cross arm device of hand formula of 10kV net distribution live working Download PDFInfo
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- CN113594961A CN113594961A CN202110802263.4A CN202110802263A CN113594961A CN 113594961 A CN113594961 A CN 113594961A CN 202110802263 A CN202110802263 A CN 202110802263A CN 113594961 A CN113594961 A CN 113594961A
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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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
- E04H12/182—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic telescopic
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
Abstract
The invention discloses a novel hand-operated telescopic temporary cross arm device for live working of a 10kV distribution network, relates to the technical field of power maintenance, and solves the problems that the existing cross arm device is too large in size, needs to be installed and used by a fixed installation frame, is not beneficial to quick assembly and is not suitable for maintenance of a transformer substation. A novel hand-operated telescopic temporary cross arm device for live working of a 10kV distribution network comprises a plate shell, wherein the middle of the upper side and the lower side of a main body of the plate shell is of a through groove structure; the inner side of the bottom of the through groove structure below the plate shell is provided with a corner structure; the lifting plate, the bottom avris of lifting plate coincide with the top of board shell, and the both sides of board shell and lifting plate connect the rotation through the hinge and be provided with four groups of auxiliary telescopic links, and the auxiliary telescopic link slope opposite direction in both sides through the setting that is provided with function device and control group, provides little body type and nimble convenient application function for the cross arm device, can realize the assembly fast, and the suitability of installation is strong, can be used for different places to use.
Description
Technical Field
The invention relates to the technical field of power maintenance, in particular to a novel hand-operated telescopic temporary cross arm device for live-line work of a 10kV distribution network.
Background
The hot-line replacement of the 10KV line cross arm and cross arm accessories is an important component of distribution network hot-line work of a power supply enterprise, a key tool of the hot-line work is a temporary cross arm, the temporary cross arm is used for supporting and fixing a live wire during the hot-line work, an insulation isolation measure is started, the fixed temporary cross arm is used as a tool at present, the tool is suitable for different places by adjusting the transverse length, the maintenance of 10KV gradually is applied to a transformer substation, and the cross arm is arranged at the top of a cable channel and is used for maintaining equipment closely displayed on the side of the cable channel.
Through searching for example, patent number CN208088950U discloses a hand-operated telescopic temporary cross arm device for live-wire work of a 10kV distribution network line. Including horizontal stretcher, wire clamp, the wire clamp locate horizontal stretcher on, still include interior pole, outer pole and turbine lead screw riser, turbine lead screw riser include lead screw, lead screw seat and crank, the movably installation of lead screw seat on the lead screw, lead screw and hand be connected through the turbine worm, outer pole the cavity has, interior pole slide to set up in the cavity, lead screw seat and interior pole be connected. Can improve work efficiency through this device, reduce the insulating pole of operation personnel installation, demolish and adjust fixed interim cross arm and bind the repetitive motion at the cement pole.
Similar to the cross arm device in the above application, the following disadvantages also exist:
firstly, the currently used cross arm device is too large in size, needs to be installed and used by using a fixed mounting frame, is not favorable for quick assembly and is not suitable for maintenance of a transformer substation; secondly, the height of a user cannot be quickly adjusted when the device is applied, and the device cannot quickly climb when large-scale equipment is maintained; third, there is no control structure that can be quickly disassembled.
Therefore, the existing requirements are not met, and a novel hand-operated type telescopic temporary cross arm device for live-line work of a 10kV distribution network is provided for the requirements.
Disclosure of Invention
Problem (A)
The invention aims to provide a novel hand-operated telescopic temporary cross arm device for live working of a 10kV distribution network, which aims to solve the problems that the prior cross arm device has an overlarge size, needs to be installed and used by using a fixed mounting rack, is not beneficial to quick assembly and is not suitable for maintenance of a transformer substation; secondly, the height of a user cannot be quickly adjusted when the device is applied, and the device cannot quickly climb when large-scale equipment is maintained; third, there is no problem with a control structure that can be quickly disassembled.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a novel hand-operated telescopic temporary cross arm device for live working of a 10kV distribution network comprises a plate shell, wherein the middle of the upper side and the lower side of a main body of the plate shell is of a through groove structure; the inner side of the bottom of the through groove structure below the plate shell is provided with a corner structure;
the bottom edge side of the lifting plate is matched with the top of the plate shell, four groups of auxiliary telescopic rods are rotatably arranged on the two sides of the plate shell and the lifting plate through hinged connection, and the inclination directions of the auxiliary telescopic rods on the two sides are opposite;
the operating device is fixedly arranged on the front side of the plate shell;
the control group is fixedly arranged between the two groups of operating devices;
the conical fluted disc is rotatably arranged inside the control group.
Preferably, the plate shell further comprises:
the middle parts of two sides of the plate shell are fixedly provided with two groups of side cross rods which are of hollow structures, the front ends of the inner sides of the two groups of side cross rods are connected with connecting pipes, and the front sides of the connecting pipes are provided with two groups of branches;
the inner sides of the side cross rods are connected with two groups of air telescopic rods, and the positions of the air telescopic rods on the two sides are staggered;
the connecting row is fixedly arranged at the telescopic end of the air telescopic rod.
Preferably, the plate shell further comprises:
the bottom of the connecting row is fixedly provided with a vertical pressure strip, the bottom of the vertical pressure strip is fixedly provided with a bottom plate, and the vertical pressure strip and the bottom plate are arranged in a through groove below the plate shell in a sliding manner;
two groups of positioning strips are fixedly arranged on two sides of the bottom plate;
four groups of connecting rods are rotatably arranged on two sides of the top of the plate shell through hinged connection.
Preferably, the lifting plate further comprises:
the bottom of the lifting plate is provided with two groups of guide grooves;
the bottom of the lifting plate is rotatably provided with two groups of screw rods;
the screw rod is externally provided with a screw sliding piece in a threaded connection mode, two sides of the screw sliding piece are rotatably provided with connecting shaft rods through hinged connections, two sides of the connecting shaft rods are rotatably provided with combined sliding blocks, and the combined sliding blocks are arranged in the guide grooves in a sliding mode; the connecting shaft lever is hinged with the other end of the connecting rod;
the hand wheel shaft is rotatably arranged at the bottom of the lifting plate, and a hand wheel is arranged at the rear end of the hand wheel shaft; the hand wheel shafts are in transmission connection with the two groups of hand wheel shafts through bevel gears.
Preferably, both sides of the top of the nut slider are arranged to be wedge-shaped structures, and the top of the nut slider is attached to the bottom of the lifting plate; the connecting rod is in the tilt state when board shell and lift plate laminating.
Preferably, the operation device further comprises:
the inner parts of two sides of the operation device are fixedly provided with an air bin B, the outer side of the air bin B penetrates through the operation device to be connected with the assembly pipe, and the assembly pipe is communicated with the branch of the connecting pipe;
the air inlet holes are formed in two sides of the operating device, and filter cotton is arranged in the air inlet holes;
the air chamber A is fixedly arranged at the upper end and the lower end of the inner side of the operating device, and two groups of piston cylinders are connected and arranged on one side of the air chamber A.
Preferably, the operation device further comprises:
the piston rod is connected with the piston cylinder in a sliding manner, and a piston disc is arranged at the end part of the piston rod;
the middle frame is fixedly arranged on the inner side of the operating device, a driven gear is rotatably arranged on the front side of the middle frame through a rotating shaft, and an eccentric driving wheel is fixedly arranged on the coaxial rear end of the driven gear.
Preferably, the operation device further comprises:
the middle of the middle frame is rotatably provided with a linkage shaft, and the front end of the linkage shaft is provided with a gear meshed with a driven gear;
the H sliding block is eccentrically arranged at the rear side of the eccentric transmission wheel through a rotating shaft and is in sliding connection with the strip-shaped frame;
the outer sides of the air bins A are connected with two groups of one-way valves in opposite directions, and two adjacent groups of the outer sides of the two groups of air bins A are communicated with the air bin B through the one-way valves in the same direction.
Preferably, the control group further comprises:
the middle of the two sides of the control group is rotatably provided with two groups of transmission shafts, the outer ends of the transmission shafts are fixedly provided with inner ratchet bevel gears, the two groups of inner ratchet bevel gears are symmetrical in shape, and the rear ends of the linkage shafts are provided with bevel gears meshed with the inner ratchet bevel gears; the transmission shaft is provided with a bevel gear which is meshed with the bevel gear disc.
Preferably, the conical fluted disc further comprises:
the front end of the conical fluted disc penetrates through the control group to be fixedly provided with the rocker barrel, the outer part of the rocker barrel is provided with a telescopic handle in a sliding manner, and the outer part of the rocker barrel is provided with a knob jackscrew through threaded connection.
(III) advantageous effects
The invention provides a novel hand-operated telescopic temporary cross arm device for hot-line work of a 10kV distribution network, which provides a small-size flexible and convenient application function for the cross arm device through the arrangement of an operation device and a control group, can quickly realize assembly, has strong installation applicability, can be used in different places, integrally clamps a plate shell at a ditch or a position where the cross arm can be installed, rotates a telescopic handle to drive a bevel gear disc to rotate, drives a transmission shaft to rotate in the rotation process of the bevel gear disc at high times, drives a linkage shaft to rotate through an inner ratchet wheel gear, and idles a right transmission shaft; the linkage shaft drives the eccentric transmission wheel to rotate through a gear, the eccentric transmission wheel drives the H slider to move, the H slider drives the strip-shaped frame to reciprocate, the strip-shaped frame repeatedly adjusts gas in the piston cylinder by using the piston rod, external air is sucked into the air bin A through the one-way valve, the air in the air bin A passes through the one-way valve input assembly pipe, further sequentially passes through the connecting pipe and the side cross rod to enter the air telescopic rod, the vertical pressure strip and the bottom plate are extended outwards, and the vertical pressure strip and the bottom plate are matched with the positioning strip to realize fixation; the vertical pressure bar and the bottom plate can be contracted by reversely rotating the telescopic handle, so that the quick disassembly is convenient.
Secondly, the setting of lifting plate provides the lift function for the cross arm device, when needs risee, rotates the hand wheel axle, and the hand wheel axle drives two sets of screws rotatoryly through bevel gear, and the screw drives the screw saddle through screw drive and outwards impels, and screw saddle, combination slider and connecting rod constitute combination slider mechanism, rise the lifting plate, realize the quick adjustment to operating position, and the user of service can oneself accomplish and go up and down.
Drawings
FIG. 1 is a schematic perspective front view of an embodiment of the present invention;
FIG. 2 is a schematic perspective rear view structure in an embodiment of the present invention;
FIG. 3 is a schematic side view of an embodiment of the present invention;
FIG. 4 is a partial cross-sectional structural schematic view of an embodiment of the present invention;
FIG. 5 is a schematic bottom view of a plate shell according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a partial assembly structure according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a partially disassembled structure in an embodiment of the present invention;
FIG. 8 is an enlarged partial structural view of part A in the embodiment of the present invention;
in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:
1. a plate shell; 101. a side rail; 102. a connecting pipe; 103. an air expansion link; 104. a connecting row; 105. a vertical pressure bar; 106. a base plate; 107. a positioning bar; 108. a connecting rod; 2. a lifting plate; 201. a guide groove; 202. a lead screw; 203. a nut runner; 204. connecting the shaft lever; 205. a combined slide block; 206. a hand wheel shaft; 3. an auxiliary telescopic rod; 4. an operating device; 401. assembling pipes; 402. an air inlet; 403. a gas bin A; 404. a piston cylinder; 405. a strip-shaped frame; 406. a piston rod; 407. a middle frame; 408. an eccentric transmission wheel; 409. a driven gear; 410. a linkage shaft; 411. h, sliding blocks; 412. a one-way valve; 413. a gas bin B; 5. a control group; 501. a drive shaft; 6. a conical fluted disc; 601. a rocker barrel; 602. a telescopic handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 8, an embodiment of the present invention includes: a novel hand-operated telescopic temporary cross arm device for live working of a 10kV distribution network comprises a plate shell 1, wherein the middle of the upper side and the lower side of a main body of the plate shell 1 is of a through groove structure; the inner side of the bottom of the through groove structure below the plate shell 1 is provided with a corner structure; the plate shell 1 further comprises: two groups of side cross rods 101 are fixedly arranged in the middle of two sides of the plate shell 1, the side cross rods 101 are of hollow structures, the front ends of the inner sides of the two groups of side cross rods 101 are connected with connecting pipes 102, and two groups of branches are arranged on the front sides of the connecting pipes 102; the inner sides of the side cross rods 101 of the air telescopic rods 103 are connected with two groups of air telescopic rods 103, and the positions of the air telescopic rods 103 on the two sides are staggered; the connecting row 104 is fixedly arranged at the telescopic end of the air telescopic rod 103; the bottom of the connecting row 104 is fixedly provided with a vertical pressure bar 105, the bottom of the vertical pressure bar 105 is fixedly provided with a bottom plate 106, and the vertical pressure bar 105 and the bottom plate 106 are arranged in a through groove below the plate shell 1 in a sliding manner; two groups of positioning strips 107 are fixedly arranged on two sides of the bottom plate 106; four groups of connecting rods 108 are rotatably arranged on two sides of the top of the plate shell 1 through hinged connection; the bottom edge side of the lifting plate 2 is matched with the top of the plate shell 1, four groups of auxiliary telescopic rods 3 are rotatably arranged on the two sides of the plate shell 1 and the lifting plate 2 through hinged connection, and the inclination directions of the auxiliary telescopic rods 3 on the two sides are opposite; the lifting plate 2 further comprises: two groups of guide grooves 201 are formed in the bottom of the lifting plate 2; the bottom of the lifting plate 2 is rotatably provided with two groups of screw rods 202; the screw rod 202 is externally provided with a screw nut slider 203 through threaded connection, two sides of the screw nut slider 203 are rotatably provided with connecting shaft rods 204 through hinged connection, two sides of the connecting shaft rods 204 are rotatably provided with combined sliding blocks 205, and the combined sliding blocks 205 are slidably arranged in the guide grooves 201; two sides of the top of the nut sliding piece 203 are arranged to be wedge-shaped structures, and the top of the nut sliding piece 203 is attached to the bottom of the lifting plate 2; when the plate shell 1 and the lifting plate 2 are jointed, the connecting rod 108 is in an inclined state; the connecting shaft 204 is hinged with the other end of the connecting rod 108; the hand wheel shaft 206 is rotatably arranged at the bottom of the lifting plate 2, and a hand wheel is arranged at the rear end of the hand wheel shaft 206; the hand wheel shafts 206 are in bevel gear transmission connection with the two hand wheel shafts 206; the operating device 4 is fixedly arranged on the front side of the plate shell 1; the control group 5 is fixedly arranged between the two groups of operating devices 4; the operation device 4 further comprises: the assembling pipe 401, an air bin B413 is fixedly arranged inside two sides of the operation device 4, the assembling pipe 401 is arranged outside the air bin B413 and penetrates through the operation device 4, and the assembling pipe 401 is in branched connection and communication with the connecting pipe 102; an air inlet 402, wherein the two sides of the operating device 4 are provided with the air inlet 402, and filter cotton is arranged in the air inlet 402; the air chamber A403 is fixedly arranged at the upper end and the lower end of the inner side of the operating device 4, and two groups of piston cylinders 404 are connected and arranged at one side of the air chamber A403; the device comprises a strip-shaped frame 405, wherein two groups of piston rods 406 are fixedly arranged on one side of the strip-shaped frame 405, the piston rods 406 are slidably connected with a piston cylinder 404, and a piston disc is arranged at the end part of each piston rod 406; the inner side of the operating device 4 is fixedly provided with the middle frame 407, the front side of the middle frame 407 is rotatably provided with a driven gear 409 through a rotating shaft, and the coaxial rear end of the driven gear 409 is fixedly provided with an eccentric transmission wheel 408; the middle of the middle frame 407 is rotatably provided with a linkage shaft 410, and the front end of the linkage shaft 410 is provided with a gear meshed with a driven gear 409; the H slider 411 is eccentrically arranged at the rear side of the eccentric transmission wheel 408 through a rotating shaft, and the H slider 411 is in sliding connection with the strip-shaped frame 405; two groups of check valves 412 with opposite passing directions are connected and arranged outside the air bin A403, two adjacent groups outside the two groups of air bins A403 are communicated with the air bin B413 through the check valves 412 with the same passing directions, and the four groups of check valves 412 on the left side and the right side are opposite in passing directions; the bevel gear plate 6 is rotatably arranged inside the control group 5.
Wherein, the control group 5 further includes: two groups of transmission shafts 501 are rotatably arranged in the middle of two sides of the transmission shaft 501 and the control group 5, inner ratchet bevel gears are fixedly arranged at the outer ends of the transmission shafts 501, the two groups of inner ratchet bevel gears are symmetrical in shape, and bevel gears meshed with the inner ratchet bevel gears are arranged at the rear ends of the universal driving shafts 410.
Referring to fig. 6, the transmission shaft 501 is provided with a bevel gear engaged with the bevel gear disc 6, so that one-sided transmission can be realized, only one group of transmission shaft 501 is driven to rotate in the process that the bevel gear disc 6 rotates in different directions, and the telescopic purpose is realized by distinguishing the rotation of the transmission shaft 501 and selectively using air intake or air exhaust.
Wherein, bevel gear 6 still including: the front end of the rocker cylinder 601 and the bevel gear disc 6 penetrates through the control group 5 to be fixedly provided with the rocker cylinder 601, the outer portion of the rocker cylinder 601 is provided with a telescopic handle 602 in a sliding mode, and the outer portion of the rocker cylinder 601 is provided with a knob jackscrew through threaded connection.
Referring to fig. 7, the rocker cylinder 601 is telescopically and slidably connected with the telescopic handle 602, so that the input torque of transmission can be increased as necessary, transmission can be conveniently and more labor-saving, and the telescopic handle 602 can be rotated in different opposite directions to adjust the telescopic action of the cross arm device.
The working principle is as follows: when the plate shell is used, the plate shell 1 is integrally clamped in a ditch or a position where a cross arm can be installed, the telescopic handle 602 is rotated to drive the bevel gear disc 6 to rotate, the bevel gear disc 6 drives the transmission shaft 501 to rotate in the rotating process, the transmission shaft 501 on the left side drives the linkage shaft 410 to rotate through the inner ratchet wheel gear, and the transmission shaft 501 on the right side idles; the linkage shaft 410 drives the eccentric transmission wheel 408 to rotate through a gear, the eccentric transmission wheel 408 drives the H slider 411 to move, the H slider 411 drives the strip frame 405 to reciprocate, the strip frame 405 repeatedly adjusts air in the piston cylinder 404 through the piston rod 406, outside air is sucked into the air chamber A403 through the check valve 412, the air in the air chamber A403 passes through the check valve 412 and then is input into the assembling pipe 401, further sequentially passes through the connecting pipe 102 and the side cross rod 101 and enters the air expansion rod 103, the vertical pressure strip 105 and the bottom plate 106 extend outwards, and the vertical pressure strip 105 and the bottom plate 106 are matched with the positioning strip 107 to be fixed; reverse rotation of the telescoping handle 602 retracts the vertical pressure bar 105 and the base plate 106.
When the lifting plate needs to be lifted, the hand wheel shaft 206 is rotated, the hand wheel shaft 206 drives the two groups of screw rods 202 to rotate through the bevel gears, the screw rods 202 drive the screw nut sliders 203 to be pushed outwards through thread transmission, and the screw nut sliders 203, the combined sliders 205 and the connecting rods 108 form a combined slider mechanism to lift the lifting plate 2, so that the working position can be quickly adjusted.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a new-type flexible interim cross arm device of hand formula of 10kV distribution network live working which characterized in that includes:
the middle of the upper side and the lower side of the main body of the plate shell are all of a through groove structure; the inner side of the bottom of the through groove structure below the plate shell is provided with a corner structure;
the bottom edge side of the lifting plate is matched with the top of the plate shell, four groups of auxiliary telescopic rods are rotatably arranged on the two sides of the plate shell and the lifting plate through hinged connection, and the inclination directions of the auxiliary telescopic rods on the two sides are opposite;
the operating device is fixedly arranged on the front side of the plate shell;
the control group is fixedly arranged between the two groups of operating devices;
the conical fluted disc is rotatably arranged inside the control group.
2. The novel hand-operated telescopic temporary cross arm device for the 10kV distribution network live-line work according to claim 1, wherein the plate shell further comprises:
the middle parts of two sides of the plate shell are fixedly provided with two groups of side cross rods which are of hollow structures, the front ends of the inner sides of the two groups of side cross rods are connected with connecting pipes, and the front sides of the connecting pipes are provided with two groups of branches;
the inner sides of the side cross rods are connected with two groups of air telescopic rods, and the positions of the air telescopic rods on the two sides are staggered;
the connecting row is fixedly arranged at the telescopic end of the air telescopic rod.
3. The novel hand-operated telescopic temporary cross arm device for the 10kV distribution network live-line work according to claim 1, wherein the plate shell further comprises:
the bottom of the connecting row is fixedly provided with a vertical pressure strip, the bottom of the vertical pressure strip is fixedly provided with a bottom plate, and the vertical pressure strip and the bottom plate are arranged in a through groove below the plate shell in a sliding manner;
two groups of positioning strips are fixedly arranged on two sides of the bottom plate;
four groups of connecting rods are rotatably arranged on two sides of the top of the plate shell through hinged connection.
4. The novel hand-operated telescopic temporary cross arm device for the 10kV distribution network live-line work according to claim 1, wherein the lifting plate further comprises:
the bottom of the lifting plate is provided with two groups of guide grooves;
the bottom of the lifting plate is rotatably provided with two groups of screw rods;
the screw rod is externally provided with a screw sliding piece in a threaded connection mode, two sides of the screw sliding piece are rotatably provided with connecting shaft rods through hinged connections, two sides of the connecting shaft rods are rotatably provided with combined sliding blocks, and the combined sliding blocks are arranged in the guide grooves in a sliding mode; the connecting shaft lever is hinged with the other end of the connecting rod;
the hand wheel shaft is rotatably arranged at the bottom of the lifting plate, and a hand wheel is arranged at the rear end of the hand wheel shaft; the hand wheel shafts are in transmission connection with the two groups of hand wheel shafts through bevel gears.
5. The novel hand-operated telescopic temporary cross arm device for live working of a 10kV distribution network according to claim 4 is characterized in that two sides of the top of the nut sliding piece are arranged to be wedge-shaped structures, and the top of the nut sliding piece is attached to the bottom of the lifting plate; the connecting rod is in the tilt state when board shell and lift plate laminating.
6. The novel hand-operated telescopic temporary cross arm device for the live working of the 10kV distribution network according to claim 1, wherein the operation device further comprises:
the inner parts of two sides of the operation device are fixedly provided with an air bin B, the outer side of the air bin B penetrates through the operation device to be connected with the assembly pipe, and the assembly pipe is communicated with the branch of the connecting pipe;
the air inlet holes are formed in two sides of the operating device, and filter cotton is arranged in the air inlet holes;
the air chamber A is fixedly arranged at the upper end and the lower end of the inner side of the operating device, and two groups of piston cylinders are connected and arranged on one side of the air chamber A.
7. The novel hand-operated telescopic temporary cross arm device for the live working of the 10kV distribution network according to claim 6, wherein the operation device further comprises:
the piston rod is connected with the piston cylinder in a sliding manner, and a piston disc is arranged at the end part of the piston rod;
the middle frame is fixedly arranged on the inner side of the operating device, a driven gear is rotatably arranged on the front side of the middle frame through a rotating shaft, and an eccentric driving wheel is fixedly arranged on the coaxial rear end of the driven gear.
8. The novel hand-operated telescopic temporary cross arm device for the live working of the 10kV distribution network according to claim 7, wherein the operation device further comprises:
the middle of the middle frame is rotatably provided with a linkage shaft, and the front end of the linkage shaft is provided with a gear meshed with a driven gear;
the H sliding block is eccentrically arranged at the rear side of the eccentric transmission wheel through a rotating shaft and is in sliding connection with the strip-shaped frame;
the outer sides of the air bins A are connected with two groups of one-way valves in opposite directions, and two adjacent groups of the outer sides of the two groups of air bins A are communicated with the air bin B through the one-way valves in the same direction.
9. The novel hand-operated telescopic temporary cross arm device for the live working of the 10kV distribution network according to claim 1, wherein the control group further comprises:
the middle of the two sides of the control group is rotatably provided with two groups of transmission shafts, the outer ends of the transmission shafts are fixedly provided with inner ratchet bevel gears, the two groups of inner ratchet bevel gears are symmetrical in shape, and the rear ends of the linkage shafts are provided with bevel gears meshed with the inner ratchet bevel gears; the transmission shaft is provided with a bevel gear which is meshed with the bevel gear disc.
10. The novel hand-operated telescopic temporary cross arm device for 10kV distribution network live-line work according to claim 1, wherein the conical fluted disc further comprises:
the front end of the conical fluted disc penetrates through the control group to be fixedly provided with the rocker barrel, the outer part of the rocker barrel is provided with a telescopic handle in a sliding manner, and the outer part of the rocker barrel is provided with a knob jackscrew through threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110802263.4A CN113594961B (en) | 2021-07-15 | 2021-07-15 | New-type flexible interim cross arm device of hand formula of 10kV net distribution live working |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110802263.4A CN113594961B (en) | 2021-07-15 | 2021-07-15 | New-type flexible interim cross arm device of hand formula of 10kV net distribution live working |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113594961A true CN113594961A (en) | 2021-11-02 |
| CN113594961B CN113594961B (en) | 2022-12-27 |
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| CN202110802263.4A Active CN113594961B (en) | 2021-07-15 | 2021-07-15 | New-type flexible interim cross arm device of hand formula of 10kV net distribution live working |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008125110A2 (en) * | 2007-04-16 | 2008-10-23 | Falck Schmidt Defence Systems A/S | Telescoping mast |
| CN107453275A (en) * | 2017-08-18 | 2017-12-08 | 孙文站 | One kind is used for power equipment maintenance rush repair equipment |
| CN208236074U (en) * | 2018-05-11 | 2018-12-14 | 国网浙江省电力有限公司台州供电公司 | Power transmission tower elastic telescopic sliding sleeve cross-arm |
| CN211063305U (en) * | 2019-12-27 | 2020-07-21 | 宜兴华源电工设备有限公司 | Screw lifting type insulating cross arm |
-
2021
- 2021-07-15 CN CN202110802263.4A patent/CN113594961B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008125110A2 (en) * | 2007-04-16 | 2008-10-23 | Falck Schmidt Defence Systems A/S | Telescoping mast |
| CN107453275A (en) * | 2017-08-18 | 2017-12-08 | 孙文站 | One kind is used for power equipment maintenance rush repair equipment |
| CN208236074U (en) * | 2018-05-11 | 2018-12-14 | 国网浙江省电力有限公司台州供电公司 | Power transmission tower elastic telescopic sliding sleeve cross-arm |
| CN211063305U (en) * | 2019-12-27 | 2020-07-21 | 宜兴华源电工设备有限公司 | Screw lifting type insulating cross arm |
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| CN113594961B (en) | 2022-12-27 |
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