CN115541381A - Withstand voltage test mechanism for detecting low-voltage power cable and overhead insulated cable - Google Patents
Withstand voltage test mechanism for detecting low-voltage power cable and overhead insulated cable Download PDFInfo
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- CN115541381A CN115541381A CN202211226730.4A CN202211226730A CN115541381A CN 115541381 A CN115541381 A CN 115541381A CN 202211226730 A CN202211226730 A CN 202211226730A CN 115541381 A CN115541381 A CN 115541381A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/317—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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Abstract
The invention discloses a voltage-withstand test mechanism for detecting a low-voltage power cable and an overhead insulated cable, which relates to the technical field of cable voltage-withstand tests and comprises an operating platform, an installation frame arranged at the top of the operating platform and a driving box arranged at the top of the installation frame, wherein cross frames are respectively arranged in the lower part of a fixed frame and a notch of a lifting plate, and a cambered surface compression roller, a groove compression roller, a plane breakpoint compression roller and a cambered surface breakpoint compression roller are respectively and sequentially arranged at four end parts of each cross frame; the top of the lifting plate is provided with a pressurizing assembly; a lifting assembly is arranged inside the driving box; a positioning assembly is arranged in the positioning cavity; according to the invention, through the matching of the lifting plate, the cross-shaped frame and the pressurizing assembly, the static pressurizing test can be conveniently carried out on the cable, the test operation of four different pressurizing contact areas can be conveniently carried out on the cable, and through the matching of the lifting assembly and the positioning assembly, the pressure-resistant effect test of dynamic repeated impact on the cable can be conveniently carried out, so that the accuracy of the detection on the pressure-resistant effect of the cable can be further improved.
Description
Technical Field
The invention relates to the technical field of cable voltage withstand test, in particular to a voltage withstand test mechanism for detecting a low-voltage power cable and an overhead insulated cable.
Background
The cable is made of one or more mutually insulated conductors and an outer insulating protective layer, leads for transmitting power or information from one place to another place are generally stranded conductors, and the cables are rope-like cables, wherein each group of leads are mutually insulated and usually twisted around a center, the whole cable is coated with a highly insulating coating, and the cable has the characteristics of internal electrification and external insulation;
the low-voltage power cable and the overhead insulated cable belong to one of the cables, the low-voltage power cable and the overhead insulated cable need to be detected by using a voltage-withstand test device so as to ensure that the laid cables can be safely used, generally, when the cables are tested for voltage resistance and deformation resistance, the cables are mainly tested in a static pressurization mode, the surfaces of the cables are inconvenient to perform pressure application operation of interval points, so that the measured data of the voltage-withstand effect of the cables are inaccurate, and the correct judgment on the voltage-withstand effect of the cables is influenced; therefore, there is a need for an improved approach to the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a voltage withstand test mechanism for detecting a low-voltage power cable and an overhead insulated cable.
In order to achieve the purpose, the invention adopts the following technical scheme: a withstand voltage test mechanism for detecting low-voltage power cables and overhead insulated cables comprises an operating platform, a mounting frame and a driving box, wherein the mounting frame is mounted at the top of the operating platform, the driving box is arranged at the top of the mounting frame, a fixed frame is vertically and fixedly arranged on the top surface of the operating platform, winding drums are mounted on two sides of the top surface of the operating platform, an inverted U-shaped lifting plate is vertically and slidably arranged in the upper part of the fixed frame, a cross frame is longitudinally and rotatably arranged in the lower part of the fixed frame and in a groove opening of the lifting plate, and a cambered surface compression roller, a groove compression roller, a plane breakpoint compression roller and a cambered surface breakpoint compression roller are sequentially mounted at four ends of the cross frame respectively;
the outer end surfaces of the plane breakpoint pressing roller and the arc breakpoint pressing roller are both of a planar pressing roller structure, a plurality of longitudinal trapezoidal pressing strips are arranged on the outer end surface of the plane breakpoint pressing roller at equal intervals, a plurality of longitudinal triangular pressing strips are arranged on the outer end surface of the arc breakpoint pressing roller at equal intervals, and the edge angles of the outer ends of the triangular pressing strips are arc-surface-shaped;
a pressurizing assembly for cable pressure resistance detection is arranged at the top of the lifting plate; a lifting assembly used for the lifting plate to freely fall is arranged in the driving box; the vertical through-hole of running through into in the fixed frame inner circle of seting up in the top surface middle part of mounting bracket, the inside vertical activity of through-hole is equipped with stabilizes the post, the location chamber has all been seted up to the mounting bracket inside of through-hole both sides, location intracavity portion all is equipped with and is used for stabilizing the post and uses spacing locating component.
Preferably, the pressurizing assembly comprises a fixed plate fixedly connected to the upper parts of two sides of the lifting plate, an electric pushing cylinder vertically fixedly connected to the top of the fixed plate, the lifting plate horizontally and movably arranged in the lower part of the driving box, an installation cavity arranged in the upper part of the stabilizing column, a servo motor arranged in the installation cavity, a containing cavity arranged in the lower part of the stabilizing column, a pushing column vertically and movably arranged in the containing cavity and a lead screw vertically and rotatably arranged on the top surface in the containing cavity, and the top end of the lead screw is coaxially and fixedly connected with a driving shaft of the servo motor; the bottom end of the pushing column movably penetrates out of the containing cavity and is fixedly connected with the top surface of the lifting plate; the top surface of the pushing column is vertically provided with a threaded hole channel matched with the screw rod; the two sides of the top surface of the mounting frame are vertically provided with stabilizing openings, the electric pushing cylinder movably extends out of the stabilizing openings, and the top of the telescopic end of the electric pushing cylinder is fixedly connected with the bottom surface of the lifting plate.
Preferably, the lifting assembly comprises a fixing frame vertically arranged on two sides inside the driving box, chain wheels longitudinally rotatably arranged on the upper end and the lower end of the fixing frame, and a chain sleeved between the upper chain wheel and the lower chain wheel, a driving motor is arranged on one side of the fixing frame, a driving belt wheel is arranged at the front end of a motor shaft of the driving motor, a driven belt wheel is fixedly sleeved at the front end of a chain wheel shaft of the chain wheel on the lower portion of the fixing frame, and a transmission belt is sleeved between the driving belt wheel and the driven belt wheel; lifting ejector rods are longitudinally arranged on the outer sides of the two chains, fixed rods are fixedly connected to the front ends and the rear ends of the outer sides of the lifting ejector rods, and the outer ends of the fixed rods are fixedly connected with the end portions of pin shafts on the chains; the suspended end surface of the lifting ejector rod is arc-surface-shaped.
Preferably, the positioning assembly comprises a positioning insertion block transversely movably arranged in the positioning cavity, an electric push rod transversely and fixedly connected to the inner wall of the positioning cavity, and positioning grooves formed in two sides of the outer wall of the stabilizing column, the telescopic end of the electric push rod is fixedly connected with the outer end face of the positioning insertion block, and the inner end of the positioning insertion block movably penetrates through the inside of the through hole and abuts against the positioning grooves of the stabilizing column; the edge at the inner end of the positioning insertion block is arc-surface-shaped.
Preferably, the preceding terminal surface upper portion of fixed frame is equipped with movable box, the lower part rigid coupling of terminal surface has the locking box before the fixed frame, the vertical rectangular strip mouth of having seted up in preceding terminal surface upper portion of fixed frame, the preceding terminal surface lower part of lifter plate vertically is equipped with the connecting plate of front end and activity box rear end face rigid coupling, the intraoral cross frame pivot front end activity of lifter plate slot runs through into inside the movable box, the activity of cross frame pivot front end in the fixed frame lower part runs through into inside the locking box.
Preferably, the front ends of the rotating shafts of the two cross frames are fixedly sleeved with worm wheels, worms meshed with the worm wheels for transmission are transversely arranged in the upper portion of the movable box and the lower portion of the locking box in a rotating mode, one ends of the worms movably penetrate out of the box body, and are fixedly connected with hand wheels.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the matching of the lifting plate, the two cross frames and the pressurizing assembly, the static pressurizing test can be conveniently carried out on the cable, the test operation of four different pressurizing contact areas can be conveniently carried out on the cable, the test operation can be conveniently carried out by selecting different pressurizing rollers according to the pressurizing surface required by the cable, and through the matching of the lifting assembly and the positioning assembly, the pressure-resistant effect test of dynamic repeated impact on the cable can be conveniently carried out, the accuracy of the detection on the pressure-resistant effect of the cable can be further conveniently improved, and the high efficiency and the convenience of the pressure-resistant effect test on the cable can be effectively improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a cross-sectional view of the mount structure of the present invention;
FIG. 3 is a sectional view of the structure of the fixing frame and the driving box of the present invention;
FIG. 4 is a cross-sectional view of the lifter plate and stabilization post configuration of the present invention;
fig. 5 is a partial structural sectional view of the mounting bracket and the driving box of the invention.
Number in the figure: 1. an operation table; 2. a mounting frame; 3. a fixing frame; 4. winding the roll; 5. a lifting plate; 6. a cross frame; 7. pressing rollers with cambered surfaces; 8. a groove pressing roller; 9. a plane breakpoint press roller; 10. a cambered surface breakpoint compression roller; 11. an electric pushing cylinder; 12. lifting the plate; 13. stabilizing the column; 14. a servo motor; 15. a lead screw; 16. pushing the column; 17. positioning the insert block; 18. an electric push rod; 19. a fixed mount; 20. a sprocket; 21. a chain; 22. a drive motor; 23. lifting the ejector rod; 24. a worm gear; 25. a worm.
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.
The embodiment is as follows: referring to fig. 1 to 5, a pressure test mechanism for detecting a low-voltage power cable and an overhead insulated cable comprises an operation table 1, an installation frame 2 installed at the top of the operation table 1 and a driving box arranged at the top of the installation frame 2, wherein a fixed frame 3 is vertically fixed on the top surface of the operation table 1, winding drums 4 are installed on two sides of the top surface of the operation table 1, an inverted U-shaped lifting plate 5 is vertically arranged in the upper part of the fixed frame 3 in a sliding manner, a cross-shaped frame 6 is longitudinally and rotatably arranged in the lower part of the fixed frame 3 and a groove of the lifting plate 5, and a cambered surface compression roller 7, a groove compression roller 8, a plane breakpoint compression roller 9 and a cambered surface breakpoint compression roller 10 are sequentially installed at four ends of the cross-shaped frame 6; the cambered surface compression roller 7 and the groove compression roller 8 are both cylindrical roller-shaped compression roller structures, the outer end surfaces of the plane breakpoint compression roller 9 and the cambered surface breakpoint compression roller 10 are both planar compression roller structures, a plurality of longitudinal trapezoidal pressing strips are equidistantly arranged on the outer end surface of the plane breakpoint compression roller 9, a plurality of longitudinal triangular pressing strips are equidistantly arranged on the outer end surface of the cambered surface breakpoint compression roller 10, and the edge angles of the outer ends of the triangular pressing strips are arc-surface-shaped; a pressurizing assembly for cable voltage resistance detection is arranged at the top of the lifting plate 5; a lifting assembly for freely falling the lifting plate 5 is arranged in the driving box; a through hole penetrating into the inner ring of the fixed frame 3 is vertically formed in the middle of the top surface of the mounting frame 2, a stabilizing column 13 is vertically and movably arranged in the through hole, positioning cavities are formed in the mounting frame 2 on two sides of the through hole, and positioning assemblies for limiting the use of the stabilizing column 13 are arranged in the positioning cavities; through the cooperation of lifter plate 5 and two cross frames 6 and pressurization subassemblies, be convenient for carry out static pressurization test to the cable, be convenient for carry out four kinds of different pressurization area of contact's test operation to the cable, be convenient for choose for use different impression rollers to carry out test operation according to the required pressurization face of cable, and through lifting subassembly and locating component's cooperation, be convenient for carry out the withstand voltage effect test that the developments strikeed repeatedly to the cable, be convenient for further improve the accurate nature that detects to the withstand voltage effect of cable, effectively improve high efficiency and convenience to the withstand voltage effect test of cable.
In the invention, the pressurizing assembly comprises a fixed plate fixedly connected to the upper parts of two sides of the lifting plate 5, an electric pushing cylinder 11 vertically fixedly connected to the top of the fixed plate, a lifting plate 12 horizontally and movably arranged in the lower part of the driving box, an installation cavity arranged in the upper part of the stabilizing column 13, a servo motor 14 arranged in the installation cavity, a containing cavity arranged in the lower part of the stabilizing column 13, a pushing column 16 vertically and movably arranged in the containing cavity and a lead screw 15 vertically and rotatably arranged on the top surface in the containing cavity, and the top end of the lead screw 15 is coaxially and fixedly connected with a driving shaft of the servo motor 14; the bottom end of the pushing column 16 movably penetrates out of the containing cavity and is fixedly connected with the top surface of the lifting plate 5; the top surface of the pushing column 16 is vertically provided with a threaded hole channel matched with the screw rod 15; stabilizing openings are vertically formed in two sides of the top surface of the mounting frame 2, the electric pushing cylinder 11 movably extends out of the stabilizing openings, and the top of the telescopic end of the electric pushing cylinder 11 is fixedly connected with the bottom surface of the lifting plate 12; facilitating static pressure operation of the cable.
In the invention, the lifting assembly comprises a fixed frame 19 vertically arranged at two sides in the driving box, chain wheels 20 longitudinally rotatably arranged at the upper end and the lower end of the fixed frame 19 and a chain 21 sleeved between the upper chain wheel and the lower chain wheel 20, a driving motor 22 is arranged at one side of the fixed frame 19, a driving belt wheel is arranged at the front end of a motor shaft of the driving motor 22, a driven belt wheel is fixedly sleeved at the front end of a chain wheel shaft of the chain wheel 20 at the lower part of the fixed frame 19, and a transmission belt is sleeved between the driving belt wheel and the driven belt wheel; lifting ejector rods 23 are longitudinally arranged on the outer sides of the two chains 21, fixed rods are fixedly connected to the front ends and the rear ends of the outer sides of the lifting ejector rods 23, and the outer ends of the fixed rods are fixedly connected with the end portions of the pin shafts on the chains 21; the suspended end surface of the lifting ejector rod 23 is arc-surface-shaped, so that repeated lifting operation can be conveniently carried out on the lifting plate 5.
In the invention, the positioning component comprises a positioning plug block 17 transversely movably arranged in the positioning cavity, an electric push rod 18 transversely fixedly connected on the inner wall of the positioning cavity and positioning grooves formed in two sides of the outer wall of the stabilizing column 13, the telescopic end of the electric push rod 18 is fixedly connected with the outer end face of the positioning plug block 17, and the inner end of the positioning plug block 17 movably penetrates into the through opening and abuts against the positioning grooves of the stabilizing column 13; the edge at the inner end of the positioning insertion block 17 is arc-surface-shaped, so that the stabilizing column 13 is convenient to limit and fix when static pressurization operation is carried out on the cable, the limiting on the stabilizing column 13 is cancelled when dynamic repeated impact operation is carried out on the cable, and the limitation on the raised lifting plate 5 is avoided.
In the invention, a movable box is arranged on the upper part of the front end face of a fixed frame 3, a locking box is fixedly connected to the lower part of the front end face of the fixed frame 3, a rectangular strip opening is vertically arranged on the upper part of the front end face of the fixed frame 3, a connecting plate fixedly connected with the front end and the rear end face of the movable box is longitudinally arranged on the lower part of the front end face of a lifting plate 5, the front end of a rotating shaft of a cross-shaped frame 6 in the groove of the lifting plate 5 movably penetrates into the movable box, and the front end of the rotating shaft of the cross-shaped frame 6 in the lower part of the fixed frame 3 movably penetrates into the locking box; the front ends of the rotating shafts of the two cross frames 6 are fixedly sleeved with worm wheels 24, worms 25 which are meshed with the worm wheels 24 for transmission are transversely arranged in the upper parts of the movable boxes and the lower parts of the locking boxes in a rotating mode, one ends of the worms 25 movably penetrate out of the boxes and are fixedly connected with hand wheels, and the cross frames 6 after being adjusted can be conveniently self-locked.
The working principle is as follows: in this embodiment, the present invention further provides a method for using a voltage withstand test mechanism for detecting a low-voltage power cable and an overhead insulated cable, including the following steps:
firstly, electrically connecting an electric pushing cylinder 11, a servo motor 14, an electric pushing rod 18 and a driving motor 22 with external control equipment through leads respectively, then passing a cable to be subjected to a pressure-resistant test between two cross frames 6, and selecting a required cambered surface compression roller 7, a groove compression roller 8, a plane breakpoint compression roller 9 or a cambered surface breakpoint compression roller 10 according to a required pressure-resistant test mode, wherein when two cambered surface compression rollers 7 are opposite, single-point position pressure detection is carried out on the cable, when two groove compression rollers 8 are opposite, notch pressure detection is carried out on the cable, and when two plane breakpoint compression rollers 9 are opposite, local pressure detection of a discontinuous short plane is carried out on the cable; when the two cambered surface breakpoint compression rollers 10 are opposite, the local pressure detection of the discontinuous short cambered surface is carried out on the cable; the worm 25 is driven to rotate by rotating the hand wheel, and the cross-shaped frame 6 can be driven to rotate for roll changing by meshing the worm 25 with the worm wheel 24;
secondly, when static pressure detection is carried out on the cable, the servo motor 14 is started to drive the screw rod 15 to rotate, the rotating screw rod 15 is used for reversely pushing the pushing column 16 to descend, and the electric pushing cylinder 11 is started to extend while the pushing column 16 descends; the lifting plate 5 is driven to descend by the descending pushing column 16, the cambered surface compression roller 7 arranged on the notch cross-shaped frame 6 is conveniently driven to apply pressure to the cable by descending of the lifting plate 5, and then after a period of time of applying pressure to the cable, cable deformation data under the action of static pressure can be measured;
step three, when static pressure of the cable is detected, the electric push rod 18 pushes the positioning plug block 17 to be inserted into the positioning groove of the stabilizing column 13, and then when static pressure of the cable is applied, the stabilizing column 13 cannot be lifted;
after the static pressurization deformation resistance effect test is carried out on the cable, the chain wheel 20 is driven to rotate by starting the driving motor 22, the chain 21 is driven to rotate by the rotation of the chain wheel 20, the lifting ejector rod 23 is driven to ascend by the rotation of the chain 21 around the two chain wheels 20, the lifting plate 12 is lifted by the ascending of the lifting ejector rod 23, the lifting plate 5 is driven to ascend by the ascending of the lifting plate 12, the cross frame 6 arranged in the notch of the lifting plate 5 ascends, the lifting ejector rod 23 can be separated from the lifting plate 12 after the lifting ejector rod 23 ascends to the highest position along with the chain 21, then the lifting plate 12 rapidly falls back under the action of gravity, then the cambered surface compression roller 7 can impact and pressurize the cable by the falling lifting plate 5, and then the operation is repeated, so that the dynamic pressurization pressure resistance effect of the cable can be detected again, and the accuracy of the pressure resistance test on the cable is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a detect withstand voltage test mechanism of low voltage power cable and overhead insulated cable, includes operation panel (1), installs at mounting bracket (2) at operation panel (1) top and locates the drive case at the top of mounting bracket (2), its characterized in that: a fixed frame (3) is vertically and fixedly arranged on the top surface of the operating platform (1), winding drums (4) are respectively installed on two sides of the top surface of the operating platform (1), an inverted U-shaped lifting plate (5) is vertically and slidably arranged in the upper portion of the fixed frame (3), a cross frame (6) is longitudinally and rotatably arranged in the lower portion of the fixed frame (3) and a groove opening of the lifting plate (5), and a cambered surface compression roller (7), a groove compression roller (8), a plane breakpoint compression roller (9) and a cambered surface breakpoint compression roller (10) are respectively and sequentially installed at four end portions of the cross frame (6);
the cambered surface compression roller (7) and the groove compression roller (8) are both cylindrical roller-shaped compression roller structures, the outer end faces of the plane breakpoint compression roller (9) and the cambered surface breakpoint compression roller (10) are both planar compression roller structures, a plurality of longitudinal trapezoidal pressing strips are arranged on the outer end face of the plane breakpoint compression roller (9) at equal intervals, a plurality of longitudinal triangular pressing strips are arranged on the outer end face of the cambered surface breakpoint compression roller (10) at equal intervals, and the edge angles of the outer ends of the triangular pressing strips are arc-surface-shaped;
a pressurizing assembly for cable voltage withstand detection is arranged at the top of the lifting plate (5); a lifting assembly used for freely falling of the lifting plate (5) is arranged in the driving box; the top surface middle part of mounting bracket (2) is vertical to be seted up and to run through the mouth that runs through in fixed frame (3) inner circle, the inside vertical activity of running through the mouth is equipped with stabilizes post (13), the location chamber has all been seted up to mounting bracket (2) inside of running through a mouthful both sides, location intracavity portion all is equipped with and is used for stabilizing post (13) and uses spacing locating component.
2. The withstand voltage test mechanism for detecting the low-voltage power cable and the overhead insulated cable according to claim 1, characterized in that: the pressurizing assembly comprises fixed plates fixedly connected to the upper parts of two sides of the lifting plate (5), an electric pushing cylinder (11) vertically fixedly connected to the tops of the fixed plates, a lifting plate (12) horizontally and movably arranged in the lower part of the driving box, an installation cavity arranged in the upper part of the stabilizing column (13), a servo motor (14) arranged in the installation cavity, a containing cavity arranged in the lower part of the stabilizing column (13), a pushing column (16) vertically and movably arranged in the containing cavity and a lead screw (15) vertically and rotatably arranged on the top surface in the containing cavity, and the top end of the lead screw (15) is coaxially and fixedly connected with a driving shaft of the servo motor (14); the bottom end of the pushing column (16) movably penetrates out of the containing cavity and is fixedly connected with the top surface of the lifting plate (5); the top surface of the pushing column (16) is vertically provided with a threaded hole channel matched with the screw rod (15); the both sides of mounting bracket (2) top surface are all vertical to be seted up and are stabilized the mouth, electric push cylinder (11) are extended from stabilizing the intraoral activity, just the flexible end top of electric push cylinder (11) and the bottom surface rigid coupling of lifting board (12).
3. The mechanism of claim 2, wherein the mechanism comprises: the lifting assembly comprises fixed frames (19) vertically arranged on two sides in the driving box, chain wheels (20) longitudinally rotatably arranged at the upper end and the lower end of the fixed frames (19) and a chain (21) sleeved between the upper chain wheel and the lower chain wheel (20), a driving motor (22) is arranged on one side of the fixed frames (19), a driving belt wheel is arranged at the front end of a motor shaft of the driving motor (22), a driven belt wheel is fixedly sleeved at the front end of a chain wheel shaft of the chain wheel (20) on the lower portion of the fixed frames (19), and a transmission belt is sleeved between the driving belt wheel and the driven belt wheel; lifting ejector rods (23) are longitudinally arranged on the outer sides of the two chains (21), fixed rods are fixedly connected to the front ends and the rear ends of the outer sides of the lifting ejector rods (23), and the outer ends of the fixed rods are fixedly connected with the end portions of pin shafts on the chains (21); the suspended end surface of the lifting ejector rod (23) is arc-surface-shaped.
4. The withstand voltage test mechanism for detecting the low-voltage power cable and the overhead insulated cable according to claim 1, characterized in that: the positioning assembly comprises a positioning insertion block (17) transversely movably arranged in the positioning cavity, an electric push rod (18) transversely and fixedly connected to the inner wall of the positioning cavity and positioning grooves formed in two sides of the outer wall of the stabilizing column (13), the telescopic end of the electric push rod (18) is fixedly connected with the outer end face of the positioning insertion block (17), and the inner end of the positioning insertion block (17) movably penetrates into the through opening and abuts against the positioning grooves of the stabilizing column (13); the edge of the inner end of the positioning insertion block (17) is arc-surface-shaped.
5. The mechanism of claim 1, wherein the mechanism comprises: the utility model discloses a locking box, including fixed frame (3), preceding terminal surface upper portion of fixed frame (3) is equipped with movable box, the lower part rigid coupling of terminal surface has the locking box before fixed frame (3), the vertical rectangle strip mouth of having seted up in preceding terminal surface upper portion of fixed frame (3), the preceding terminal surface lower part of lifter plate (5) vertically is equipped with the connecting plate of front end and activity box rear end face rigid coupling, lifter plate (5) intraoral cross frame (6) pivot front end activity runs through into inside the activity box, cross frame (6) pivot front end activity in fixed frame (3) lower part runs through into inside the locking box.
6. The withstand voltage test mechanism for detecting the low-voltage power cable and the overhead insulated cable according to claim 5, wherein: two the pivot front end of cross frame (6) all fixedly cup joints worm wheel (24), all transversely rotate in the upper portion of activity box and the lower part of locking box and be equipped with worm (25) with worm wheel (24) meshing transmission, the one end activity of worm (25) is run through outside the box to the rigid coupling has the hand wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211226730.4A CN115541381A (en) | 2022-10-09 | 2022-10-09 | Withstand voltage test mechanism for detecting low-voltage power cable and overhead insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211226730.4A CN115541381A (en) | 2022-10-09 | 2022-10-09 | Withstand voltage test mechanism for detecting low-voltage power cable and overhead insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115541381A true CN115541381A (en) | 2022-12-30 |
Family
ID=84730691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211226730.4A Pending CN115541381A (en) | 2022-10-09 | 2022-10-09 | Withstand voltage test mechanism for detecting low-voltage power cable and overhead insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115541381A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839882A (en) * | 2023-02-21 | 2023-03-24 | 国网辽宁省电力有限公司 | Performance tester for light high-insulation composite material |
| CN118275458A (en) * | 2024-05-29 | 2024-07-02 | 江西大荣电力检测有限公司 | Power cable detection device |
| CN118483063A (en) * | 2024-07-15 | 2024-08-13 | 山东鲁冠电气有限公司 | Withstand voltage test device for power cable |
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2022
- 2022-10-09 CN CN202211226730.4A patent/CN115541381A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839882A (en) * | 2023-02-21 | 2023-03-24 | 国网辽宁省电力有限公司 | Performance tester for light high-insulation composite material |
| CN115839882B (en) * | 2023-02-21 | 2023-05-16 | 国网辽宁省电力有限公司 | Performance tester for light high-insulation composite material |
| CN118275458A (en) * | 2024-05-29 | 2024-07-02 | 江西大荣电力检测有限公司 | Power cable detection device |
| CN118483063A (en) * | 2024-07-15 | 2024-08-13 | 山东鲁冠电气有限公司 | Withstand voltage test device for power cable |
| CN118483063B (en) * | 2024-07-15 | 2024-09-20 | 山东鲁冠电气有限公司 | Withstand voltage test device for power cable |
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