A roebel coil position error test machine

Abstract

The utility model discloses a kind of position error test machines of Rogowski coil, including fixture assembly, fixture assembly lower part is connected with position detection assembly, position detection assembly lower side is provided with lifting assembly, position detection assembly includes: hinged seat, tight bolt, translation plate, slide rail, conductive copper bar and copper bar support.The utility model can be clamped multiple Rogowski coils once by the mechanical test scheme set, and multiple Rogowski coils are moved to unified test position by corresponding mechanical mechanism, realize the error test of multiple Rogowski coils by once clamping and a test position, greatly improve the work efficiency of worker.

Description

TECHNICAL FIELD

[0001] The utility model relates to a Rogowski coil test technical field, concretely to a Rogowski coil position error test machine. BACKGROUND

[0002] According to the Rogowski coil technical specification requirement of "General Technical Specification of Track Type Electric Energy Meter", it needs to do position error test. Rogowski coil position error test contains vertical position error test and inclined position error test. With the demand of power system and market, the position error requirement of Rogowski coil is also more and more accurate, and now an economic, simple operation, reliable performance and efficient Rogowski coil position error test machine is urgently needed.

[0003] Now the artificial hand-held test scheme is generally adopted in the market, that is, the worker holds the Rogowski coil to complete its vertical position error test and inclined position error test. The worker hand-held test scheme has obvious disadvantages and disadvantages: 1. The worker hand-held test can complete the test of two coils at most once, and the production efficiency is low; 2. The worker hand-held test cannot guarantee that the Rogowski coil moves to the position every time, which reduces the reliability of the test data; 3. The conductive copper bar in the middle of the Rogowski coil is connected with high current in the test process, although the power voltage is very low, but it is not very suitable from the worker protection point of view; 4. At least two people are needed to complete the test work in the test process. In summary, the existing test scheme is difficult to meet the market demand. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide a Rogowski coil position error test machine, through the position detection assembly, lifting assembly and clamp assembly, the utility model can clamp multiple Rogowski coils at a time, and rely on the corresponding mechanical mechanism to move multiple Rogowski coils to a unified test position, realize error test of multiple Rogowski coils at a clamping and a test position, greatly improve the work efficiency of workers, and can effectively solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a Rogowski coil position error test machine, comprising a clamp assembly, the lower part of the clamp assembly is connected with a position detection assembly, the lower side of the position detection assembly is provided with a lifting assembly, the position detection assembly comprises: a hinged seat, a jacking bolt, a translation plate, a sliding rail, a conductive copper bar and a copper bar support, the upper side of the translation plate is fixedly connected with the hinged seat, the lower side of the translation plate is provided with the sliding rail, the jacking bolt is installed on the both sides of the hinged seat, the copper bar support is fixed on the upper side of the translation plate, and the conductive copper bar is connected with the copper bar support.

[0006] Further, the lifting assembly comprises a guide rod, a fixed seat, a lead screw, a lifting seat, a hand wheel, a moving plate and a cross link, the moving plate is provided with the cross link at both ends, the lifting seat and the fixed seat are provided with the guide rod, the lifting seat is provided with the lead screw at the center of the lower side, the lead screw is connected with the hand wheel at one end, and the fixed seat and the lifting seat are connected to the end of the cross link away from the moving plate.

[0007] Further, the clamp assembly comprises a support frame, a protractor, a rotating handle and a spring clamp, the rotating handle is arranged at the center of the upper part of the support frame, the spring clamp is connected to the lower end of the rotating handle, and the protractor is arranged at the center of the upper side of the support frame.

[0008] Further, the conductive copper bar is in a U-shaped structure, the coil body is arranged on the conductive copper bar, and the conductive copper bar is arranged in the space between the support frame and the translation plate.

[0009] Further, the lifting assembly is provided with a rack at the lower side, and the hinged seats are arranged at the lower end positions of the support frames.

[0010] Further, the lead screw is connected with the moving plate at the lower side of the lifting seat through a lead screw bearing, and the moving plate is connected with the guide rod through a ball bearing.

[0011] Further, the rack is provided with supporting feet at four corners of the lower side, and the rack is fixedly connected with the lifting assembly.

[0012] Further, the clamp assembly has twelve sets, and the lifting assembly has two sets.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The mechanical testing scheme can clamp multiple Rogowski coils at a time, and move the multiple Rogowski coils to a unified testing position by corresponding mechanical mechanisms, so that the error test of multiple Rogowski coils is completed at one clamping and one testing position, and the work efficiency of workers is greatly improved.

[0015] 2. The mechanical testing scheme relies on the positioning mechanisms of the testing positions to complete the positioning of the testing positions of the Rogowski coils, thereby avoiding the danger of direct contact of workers with the conductive copper bar during the error test.

[0016] 3. The mechanical testing scheme relies on mechanical mechanisms for positioning, thereby ensuring that the Rogowski coil detection positions are in place and the consistency of different Rogowski coil error test positions, and improving the accuracy and reliability of the error test.

[0017] 4. The mechanical testing scheme can complete the overall test of the Rogowski coils by one worker, thereby reducing the number of workers. DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model.

[0019] Figure 2 It is the structure schematic view after removing the rack of the utility model;

[0020] Figure 3 It is the structure schematic view of the utility model Figure 2 The enlarged structure schematic view of A place in middle;

[0021] Figure 4 It is the structure schematic view of the utility model Figure 2 The enlarged structure schematic view of B place in middle;

[0022] Figure 5 It is the structure schematic view of the utility model Figure 2 The enlarged structure schematic view of C place in middle;

[0023] Figure 6 It is the rear view structure schematic view of the utility model Figure 2 ;

[0024] Figure 7 It is the enlarged structure schematic view of D place in middle of the utility model Figure 6 .

[0025] In the figure: 1, rack; 2, clamp assembly; 201, angle disc; 202, rotating handle; 203, support frame; 204, spring clamp; 3, position detection assembly; 301, hinged seat; 302, jacking bolt; 303, translation plate; 304, slide rail; 305, conductive copper bar; 306, copper bar support; 4, coil body; 5, lifting assembly; 501, guide rod; 502, fixed seat; 503, screw rod; 504, lifting seat; 505, hand wheel; 506, moving plate; 507, cross link. DETAILED DESCRIPTION

[0026] Please refer to Figures 1-7 , a GMR coil position error test machine, including clamp assembly 2, clamp assembly 2 lower part is connected with position detection assembly 3, position detection assembly 3 lower side is provided with lifting assembly 5, position detection assembly 3 includes: hinged seat 301, jacking bolt 302, translation plate 303, slide rail 304, conductive copper bar 305 and copper bar support 306, translation plate 303 upper side is fixedly connected with hinged seat 301, translation plate 303 lower side is provided with slide rail 304, hinged seat 301 both sides are installed with jacking bolt 302, copper bar support 306 is fixed on translation plate 303 upper side, and copper bar support 306 is tightly connected with conductive copper bar 305 on the upper side.

[0027] The lifting assembly 5 comprises a guide rod 501, a fixed seat 502, a lead screw 503, a lifting seat 504, a hand wheel 505, a moving plate 506 and a cross connecting rod 507, the moving plate 506 is provided with the cross connecting rod 507 at both ends, the guide rod 501 is arranged on the lifting seat 504 and the fixed seat 502, the lead screw 503 is arranged on the lower side surface of the lifting seat 504, the hand wheel 505 is connected to one end of the lead screw 503, and the fixed seat 502 and the lifting seat 504 are connected to the end of the cross connecting rod 507 away from the moving plate 506.

[0028] The clamp assembly 2 comprises a support frame 203, a protractor 201, a rotating handle 202 and a spring clamp 204, the rotating handle 202 is arranged at the upper center of the support frame 203, the spring clamp 204 is connected to the lower end of the rotating handle 202, and the protractor 201 is arranged at the center position of the upper side surface of the support frame 203.

[0029] As shown in the figure, Figures 1-7 the rotation of the rotating handle 202 can drive the spring clamp 204 to rotate, so that the coil body 4 fixed on the spring clamp 204 rotates, the included angle between the coil body 4 and the conductive copper bar 305 is adjusted, the position error detection requirement of the coil body 4 is met, the hand wheel 505 is rotated by rotating the hand wheel 505, the moving plate 303 arranged on the lead screw 503 slides along the guide rod 501, the cross connecting rod 507 is opened or stored under the pushing action of the moving plate 303, the lifting seat 504 is lifted up and down, the coil body 4 fixed on the support frame 203 is adjusted to move up and down, after the jacking bolt 302 is loosened, the support frame 203 is rotated around the hinge seat 301, and after being rotated to the required angle, the jacking bolt 302 is used to tightly fix the support frame 203, so that the angle of the coil body 4 meets the requirement.

[0030] The conductive copper bar 305 is in a U-shaped structure, the coil body 4 is arranged on the conductive copper bar 305, and the conductive copper bar 305 is arranged in the space between the support frame 203 and the translation plate 303.

[0031] The lifting assembly 5 is arranged on the lower side of the gantry 1, and the hinge seats 301 are arranged at the lower end positions of the support frames 203.

[0032] The lead screw 503 and the moving plate 506 on the lower side surface of the lifting seat 504 are connected through a lead screw bearing, and the moving plate 506 and the guide rod 501 are connected through a ball bearing.

[0033] The gantry 1 is provided with supporting feet at four corners of the lower side surface, and the gantry 1 is fixedly connected with the lifting assembly 5.

[0034] The clamp assembly 2 has twelve sets, and the lifting assembly 5 has two sets.

[0035] As shown in the figure, Figures 1-7As shown, when detecting, first, the twelve coil bodies 4 are arranged on the conductive copper bar 305, then the conductive copper bar 305 is supported and fixed through the copper bar support 306, the position of the coil body 4 on the conductive copper bar 305 is moved, so that each coil body 4 is arranged directly below the spring clamp 204, and the coil body 4 is clamped and fixed by the spring clamp 204, the spring clamp 204 is rotated by rotating the rotating handle 202, so that the angle between the coil body 4 and the conductive copper bar 305 is adjusted, thereby meeting the detection requirement, the vertical position of the coil body 4 is decomposed into a horizontal position and an up-down position, the horizontal position movement relies on the worker to push the translation plate 303 to move along the slide rail 304, so that the coil body 4 is moved to the test position, and the movement of 12 coil bodies 4 can be completed at the same time; the up-down position movement relies on the worker to drive the screw rod 503 to rotate by rotating the hand wheel 505, so that the moving plate 506 moves along the guide rod 501, so that the lifting seat 504 can be moved up and down to adjust, the coil body 4 is moved and positioned to the test position, and the up-down movement of 12 coil bodies 4 can be completed at the same time, the inclined position of the coil body 4 is decomposed into a front-back swing position and a left-right rotation position, the front-back swing position relies on the worker to swing the support frame 203 to rotate around the hinge seat 301, and the coil body 4 is rotated to the test position through the jacking bolt 302, the left-right rotation position is rotated by rotating the rotating handle 202 to drive the spring clamp 204 and the coil body 4, the angle disc 201 can conveniently observe the rotation angle of the rotating handle 202, the rotating handle 202 is provided with a pointer, and the rotation angle of the spring clamp 204 and the coil body 4 is obtained through the angle change of the pointer.

[0036] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation obtained by utilizing the content of the present application specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A Rogowski coil position error testing machine, comprising a fixture assembly (2), characterized in that: The clamp assembly (2) is connected to a position detection assembly (3) at its lower part. A lifting assembly (5) is provided on the lower side of the position detection assembly (3). The position detection assembly (3) includes: a hinge seat (301), a tightening bolt (302), a translation plate (303), a slide rail (304), a conductive copper rod (305), and a copper rod bracket (306). The upper side of the translation plate (303) is fixedly connected to the hinge seat (301), and the lower side of the translation plate (303) is provided with a slide rail (304). Tightening bolts (302) are installed on both sides of the hinge seat (301). The copper rod bracket (306) is fixed on the upper side of the translation plate (303), and a conductive copper rod (305) is pressed and connected on the copper rod bracket (306).

2. The Rogowski coil position error testing machine according to claim 1, characterized in that: The lifting assembly (5) includes: a guide rod (501), a fixed seat (502), a lead screw (503), a lifting seat (504), a handwheel (505), a moving plate (506), and a cross link (507). The moving plate (506) is provided with cross links (507) at both ends. The lifting seat (504) and the fixed seat (502) are both provided with guide rods (501). The center of the lower side of the lifting seat (504) is provided with a lead screw (503). One end of the lead screw (503) is connected to the handwheel (505). The end of the cross link (507) away from the moving plate (506) is connected to the fixed seat (502) and the lifting seat (504).

3. The Rogowski coil position error testing machine according to claim 1, characterized in that: The clamp assembly (2) includes: a support frame (203), an angle plate (201), a rotating handle (202), and a spring clamp (204). The rotating handle (202) is inserted through the center of the upper part of the support frame (203), and the spring clamp (204) is connected to the lower end of the rotating handle (202). An angle plate (201) is provided at the center of the upper side of the support frame (203).

4. The Rogowski coil position error testing machine according to claim 1, characterized in that: The conductive copper rod (305) has a U-shaped structure, and a coil body (4) is threaded through the conductive copper rod (305). The conductive copper rod (305) is located in the space between the support frame (203) and the translation plate (303).

5. The Rogowski coil position error testing machine according to claim 1, characterized in that: The lifting assembly (5) is provided with a platform (1) on its lower side, and the hinge seat (301) is provided at the lower end of the support frame (203).

6. The Rogowski coil position error testing machine according to claim 2, characterized in that: The lead screw (503) is connected to the moving plate (506) on the lower side of the lifting seat (504) via a lead screw bearing, and the moving plate (506) is connected to the guide rod (501) via a ball bearing.

7. The Rogowski coil position error testing machine according to claim 5, characterized in that: The platform (1) is provided with support feet at the four corners of its lower side, and the platform (1) is fixedly connected to the lifting assembly (5).

8. The Rogowski coil position error testing machine according to claim 1, characterized in that: The clamping assembly (2) has twelve sets, and the lifting assembly (5) has two sets.

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