Spring operating mechanism

Abstract

The utility model discloses a spring operating mechanism which comprises a rack, a grounding operation shaft and a closing operation shaft, the grounding operation shaft and the closing operation shaft are arranged on the rack, a first driving frame and a second driving frame are respectively installed on the grounding operation shaft and the closing operation shaft in a linkage mode, and an energy storage assembly is arranged between the first driving frame and the second driving frame. The energy storage assembly comprises a first spring, a first supporting seat, a second supporting seat, a guide rod and a shaft sleeve, the first supporting seat and the second supporting seat are installed on the first driving frame and the second driving frame respectively, the guide rod and the shaft sleeve are connected to the first supporting seat and the second supporting seat respectively, and one end of the guide rod extends into the shaft sleeve; a receding through hole for the guide rod to penetrate through is formed in the second supporting base, the guide rod and the shaft sleeve are sleeved with the first spring, and the two ends of the first spring abut against the first supporting base and the second supporting base respectively. The purpose of stress application is achieved by enlarging the axial space of the spring, and the spring has the advantages of being small in size, convenient to disassemble and assemble, large in elastic potential energy and long in service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of disconnectors, in particular to a spring operating mechanism. BACKGROUND

[0002] The three-position disconnectors are mainly used in power systems, factories, transformer substations and power distribution networks, and play an important role in safety isolation and maintenance. The so-called "three-position" refers to three working positions, including the closing position of the disconnector main break, the isolation position of the main break, and the grounding position of the grounding side.

[0003] However, the spring operating mechanism in the existing three-position disconnector incoming line structure is mostly a single spring structure. Since the spring guide rod is limited by the installation space, the spring compression amount is limited. In the case of a relatively large elastic potential energy requirement, the length of the spring needs to be lengthened to meet the required elastic potential energy, so the volume of the energy storage device needs to be increased, which is not conducive to the use and installation of the energy storage device. UTILITY MODEL CONTENT

[0004] The utility model discloses a spring operating mechanism, the utility model discloses a spring axial space reaches the purpose of adding force, has the advantages of small volume, convenient dismounting, large elastic potential energy and long service life.

[0005] To achieve the above object, the utility model provides the following technical scheme: a spring operating mechanism, including frame, ground operation shaft and closing operation shaft that are rotatably arranged on the frame, the ground operation shaft and closing operation shaft are respectively linked and installed with first drive frame and second drive frame, and the first drive frame and second drive frame are provided with energy storage components; the energy storage components include first spring, first support seat, second support seat, guide rod and shaft sleeve, the first support seat and second support seat are respectively installed on the first drive frame and second drive frame, the guide rod and shaft sleeve are respectively connected to the first support seat and second support seat, and one end of the guide rod extends into the shaft sleeve, a gap through hole for the guide rod to pass through is formed in the second support seat, and the first spring is sleeved on the outer periphery of the guide rod and shaft sleeve, and the two ends of the first spring are respectively abutted on the first support seat and second support seat.

[0006] By adopting the above technical scheme, the guide rod can pass through the gap through hole in the second support seat, thereby increasing the axial stroke of the guide rod, i.e. increasing the spring axial space to achieve the purpose of adding force, which has the advantages of small volume, convenient dismounting, large elastic potential energy and long service life.

[0007] The utility model further sets up still including second spring, the diameter of second spring is less than first spring, second spring is sleeved on the outer periphery of the guide rod, and one end of second spring is abutted on the first support seat, and the other end of second spring is abutted on the end of shaft sleeve.

[0008] By adopting the above technical scheme, the elastic potential energy required is achieved by superposition of the elastic potential energy of the second spring and the first spring, the situation that a single spring exceeds its maximum compression amount is avoided, and the design requirement for the length of a single spring can be reduced.

[0009] The utility model further sets up, the axle sleeve one end inserts into the let go through hole, be equipped with the positioning recess on the second support base, the axle sleeve outside is equipped with with the positioning recess of the positioning convex portion that the recess is in agreement, and the first spring will Positioning convex portion is pressed in the positioning recess.

[0010] By adopting the above technical scheme, the axle sleeve one end inserts into the let go through hole, be equipped with the positioning recess on the second support base, the axle sleeve outside is equipped with with the positioning recess of the positioning convex portion that the recess is in agreement, and the first spring will Positioning convex portion is pressed in the positioning recess.

[0011] The utility model further sets up, the axle sleeve one end inserts into the let go through hole, be equipped with the positioning recess on the second support base, the axle sleeve outside is equipped with with the positioning recess of the positioning convex portion that the recess is in agreement, and the first spring will Positioning convex portion is pressed in the positioning recess.

[0012] By adopting the above technical scheme, the design is the second setting of axle sleeve and second support base.

[0013] The utility model further sets up, the first support base is equipped with the first positioning slot, be equipped with the second positioning slot on the second support base, the both ends of first spring are respectively embedded in the first positioning slot and the second positioning slot.

[0014] By adopting the above technical scheme, the both ends of first spring are positioned, can promote its installation and the stability of movement process, avoid its occurrence and shift the deformation of central shaft direction, to promote the service life of first spring.

[0015] The utility model further sets up, the first support base is equipped with the first positioning slot, be equipped with the second positioning slot on the second support base, the both ends of first spring are respectively embedded in the first positioning slot and the second positioning slot.

[0016] By adopting the above technical scheme, the both ends of first spring are positioned, can promote its installation and the stability of movement process, avoid its occurrence and shift the deformation of central shaft direction, to promote the service life of first spring.

[0017] The utility model further sets up, the first support base is equipped with the first positioning slot, be equipped with the second positioning slot on the second support base, the both ends of first spring are respectively embedded in the first positioning slot and the second positioning slot.

[0018] By adopting the above technical scheme, the design is the second setting of axle sleeve and second support base.

[0019] The utility model further sets up, first drive frame includes two parallelly arranged first drive board, two first drive board is connected together through first rivet axle, second drive frame includes two parallelly arranged second drive board, two second drive board is connected together through second rivet axle.

[0020] Through adopting above technical scheme, first drive frame and second drive frame's structure is simple and reliable, is favorable to assembly production.

[0021] The utility model further sets up, first support seat both ends are equipped with a first cylindrical convex part respectively, and two first cylindrical convex parts are coaxial arrangement, two first drive board is equipped with a first round hole for the first cylindrical convex part insertion respectively;Second support seat both ends are equipped with a second cylindrical convex part respectively, and two second cylindrical convex parts are coaxial arrangement, two second drive board is equipped with a second round hole for the second cylindrical convex part insertion respectively.

[0022] Through adopting above technical scheme, can realize the rotary mounting structure of first support seat and second support seat.

[0023] The utility model further sets up, the outer periphery of first cylindrical convex part, second cylindrical convex part is separately or all clamps and is used for the first drive board, second drive board is limited in first support seat, first snap spring, second snap spring in second support seat side part.

[0024] Through adopting above technical scheme, set up snap spring can promote the reliability of first drive board and first support seat and second drive board and second support seat connecting structure. DRAWINGS

[0025] Figure 1 It is the structure schematic drawing of the whole utility model;

[0026] Figure 2 It is the structure schematic drawing of the utility model energy storage component;

[0027] Figure 3 It is the sectional view of the utility model energy storage component;

[0028] Figure 4 It is the cooperation structure schematic drawing of the utility model guide rod and axle sleeve;

[0029] Figure 5 It is the structure schematic drawing of the utility model second support seat;

[0030] Figure 6 It is the assembly structure schematic drawing of the utility model energy storage component and first drive frame and second drive frame.

[0031] In the diagram: 1. Frame; 2. Grounding operating shaft; 3. Closing operating shaft; 4. First drive frame; 5. Second drive frame; 6. Energy storage component; 7. Second spring; 8. First spring; 9. First support seat; 10. Second support seat; 11. Guide rod; 12. Bushing; 13. Clearance through hole; 14. Positioning groove; 15. Positioning protrusion; 16. First positioning groove; 17. Second positioning groove; 18. Insertion hole; 19. Pin; 20. First drive plate; 21. First rivet shaft; 22. Second drive plate; 23. Second rivet shaft; 24. First cylindrical protrusion; 25. First round hole; 26. First snap ring; 27. Second cylindrical protrusion; 28. Second round hole; 29. ​​Second snap ring. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Example: As attached Figures 1-6 The spring-operated mechanism shown includes a frame 1, a grounding operating shaft 2 and a closing operating shaft 3 rotatably mounted on the frame 1. A first drive frame 4 and a second drive frame 5 are respectively linked and mounted on the grounding operating shaft 2 and the closing operating shaft 3. Specifically, the cross-sections of the grounding operating shaft 2 and the closing operating shaft 3 are regular polygonal shapes (regular hexagons or regular octagons). Both the first drive frame 4 and the second drive frame 5 are provided with polygonal holes adapted to the grounding operating shaft 2 and the closing operating shaft 3. An energy storage component 6 is provided between the first drive frame 4 and the second drive frame 5. The energy storage component 6 includes a first spring 8, a first support base 9, a second support base 10, and a guide rod 1. The guide rod 11 and bushing 12 are respectively mounted on the first drive frame 4 and the second drive frame 5, with the first support base 9 and the second support base 10 respectively connected to the first support base 9 and the second support base 10. One end of the guide rod 11 extends into the bushing 12, and the inner diameter of the bushing 12 is approximately equal to the outer diameter of the guide rod 11. The second support base 10 has a clearance through hole 13 for the guide rod 11 to pass through, and the inner diameter of the clearance through hole 13 is not less than the outer diameter of the guide rod 11. The first spring 8 is sleeved on the outer circumference of the guide rod 11 and the bushing 12, and both ends of the first spring 8 abut against the first support base 9 and the second support base 10 respectively. The guide rod 11 can pass through the clearance through hole 13 on the second support base 10, thereby increasing the axial travel of the guide rod 11. That is, the purpose of force is achieved by increasing the axial space of the spring, which has the advantages of small size, convenient disassembly and assembly, large elastic potential energy, and long service life.

[0034] As shown in the accompanying drawings Figure 3 and the accompanying drawings Figure 5 As shown in the accompanying drawings, a second spring 7 is also included, the diameter of the second spring 7 is smaller than the first spring 8, the second spring 7 is sleeved on the outer periphery of the guide rod 11, and one end of the second spring 7 abuts against the first support seat 9, and the other end of the second spring 7 abuts against the end of the shaft sleeve 12. The elastic potential energy of the second spring 7 and the first spring 8 is superimposed to achieve the required elastic potential energy, avoiding the situation that a single spring exceeds its maximum compression amount, and the design requirement for the length of a single spring can also be reduced.

[0035] As shown in the accompanying drawings Figure 3 and the accompanying drawings Figure 5 As shown in the accompanying drawings, one end of the shaft sleeve 12 is inserted into the accommodation through hole 13, the second support seat 10 is provided with a positioning groove 14, the positioning groove 14 can be polygonal or flat, the outer side of the shaft sleeve 12 is provided with a positioning convex part 15 which is matched with the positioning groove 14, and the positioning convex part 15 is pressed in the positioning groove 14 by the first spring 8, and the cross sections of the positioning groove 14 and the positioning convex part 15 are rectangular in the embodiment. The shaft sleeve 12 is inserted into the accommodation through hole 13 to achieve the pre-installation of the shaft sleeve 12, and the positioning convex part 15 of the shaft sleeve 12 is pressed in the positioning groove 14 of the second support seat 10 by the first spring 8, so that the positioning installation of the shaft sleeve 12 is realized, and the installation is very convenient and the positioning effect is good.

[0036] In addition, the shaft sleeve 12 and the second support seat 10 can also be an integrated structure.

[0037] As shown in the accompanying drawings Figure 3 As shown in the accompanying drawings, the first support seat 9 is provided with a first positioning groove 16, the second support seat 10 is provided with a second positioning groove 17, and the two ends of the first spring 8 are respectively embedded in the first positioning groove 16 and the second positioning groove 17. The two ends of the first spring 8 are positioned, which can improve the stability of the installation and movement process, avoid the deformation of the center axis direction, and improve the service life of the first spring 8.

[0038] As shown in the accompanying drawings Figure 3 As shown in the accompanying drawings, the first support seat 9 is provided with a insertion hole 18, and one end of the guide rod 11 is inserted into the insertion hole 18 and fixed together by a pin 19. The design can realize the connection of the guide rod 11 and the first support seat 9, and the connection structure is simple and reliable.

[0039] In addition, the first support seat 9 and the guide rod 11 can also be an integrated structure.

[0040] As shown in the accompanying drawings Figure 6As shown, the first drive frame 4 includes two parallel first drive plates 20, which are connected together by a first rivet shaft 21. The second drive frame 5 includes two parallel second drive plates 22, which are connected together by a second rivet shaft 23. The first drive frame 4 and the second drive frame 5 have simple and reliable structures, which are conducive to assembly and production.

[0041] As attached Figure 6 As shown, the first support base 9 has a first cylindrical protrusion 24 at each end, and the two first cylindrical protrusions 24 are coaxially arranged. Each of the two first drive plates 20 has a first circular hole 25 for inserting the first cylindrical protrusion 24. The second support base 10 has a second cylindrical protrusion 27 at each end, and the two second cylindrical protrusions 27 are coaxially arranged. Each of the two second drive plates 22 has a second circular hole 28 for inserting the second cylindrical protrusion 27. This design enables a rotatable mounting structure for the first support base 9 and the second support base 10.

[0042] As attached Figure 6 As shown, the outer periphery of the first cylindrical protrusion 24 and the second cylindrical protrusion 27 are individually or both snapped with a first retaining spring 26 and a second retaining spring 29 for securing the first drive plate 20 and the second drive plate 22 to the side of the first support base 9 and the second support base 10, respectively. The retaining springs improve the reliability of the connection structure between the first drive plate 20 and the first support base 9, and between the second drive plate 22 and the second support base 10.

Claims

1. A spring operating mechanism, comprising a frame (1), a grounding operation shaft (2) and a closing operation shaft (3) which are rotatably arranged on the frame (1), a first driving frame (4) and a second driving frame (5) which are respectively connected and arranged on the grounding operation shaft (2) and the closing operation shaft (3), and an energy storage assembly (6) which is arranged between the first driving frame (4) and the second driving frame (5); characterized in that: The energy storage assembly (6) comprises a first spring (8), a first support base (9), a second support base (10), a guide rod (11) and a shaft sleeve (12), the first support base (9) and the second support base (10) are respectively arranged on the first driving frame (4) and the second driving frame (5), the guide rod (11) and the shaft sleeve (12) are respectively connected to the first support base (9) and the second support base (10), and one end of the guide rod (11) extends into the shaft sleeve (12), the second support base (10) is provided with a through hole (13) for the guide rod (11) to pass through, and the first spring (8) is sleeved on the outer periphery of the guide rod (11) and the shaft sleeve (12), and the two ends of the first spring (8) are respectively arranged on the first support base (9) and the second support base (10).

2. A spring trip mechanism according to claim 1, wherein: A second spring (7) is further arranged, the diameter of the second spring (7) is smaller than that of the first spring (8), the second spring (7) is sleeved on the outer periphery of the guide rod (11), and one end of the second spring (7) is arranged on the first support base (9), and the other end of the second spring (7) is arranged on the end of the shaft sleeve (12).

3. A spring trip mechanism according to claim 1, wherein: One end of the shaft sleeve (12) is inserted into the through hole (13), the second support base (10) is provided with a positioning groove (14), the outer side of the shaft sleeve (12) is provided with a positioning convex part (15) matched with the positioning groove (14), and the first spring (8) is arranged to press the positioning convex part (15) in the positioning groove (14).

4. A spring trip mechanism according to claim 1, wherein: The shaft sleeve (12) and the second support base (10) are in an integrated structure.

5. A spring trip mechanism according to claim 1, wherein: The first support base (9) is provided with a first positioning groove (16), the second support base (10) is provided with a second positioning groove (17), and the two ends of the first spring (8) are respectively arranged in the first positioning groove (16) and the second positioning groove (17).

6. A spring trip mechanism according to claim 1, wherein: The first support base (9) is provided with a insertion hole (18), one end of the guide rod (11) is inserted into the insertion hole (18) and fixed together through a pin (19).

7. A spring trip mechanism according to claim 1 wherein: The guide rod (11) and the first support base (9) are in an integrated structure.

8. A spring trip mechanism according to claim 1, wherein: The first driving frame (4) comprises two first driving plates (20) arranged in parallel, and the two first driving plates (20) are connected together through a first rivet shaft (21), the second driving frame (5) comprises two second driving plates (22) arranged in parallel, and the two second driving plates (22) are connected together through a second rivet shaft (23).

9. A spring trip mechanism according to claim 8, wherein: The first support base (9) is provided with a first cylindrical convex part (24) at two ends, and the two first cylindrical convex parts (24) are coaxially arranged, and the two first driving plates (20) are respectively provided with a first circular hole (25) for inserting the first cylindrical convex part (24); the second support base (10) is provided with a second cylindrical convex part (27) at two ends, and the two second cylindrical convex parts (27) are coaxially arranged, and the two second driving plates (22) are respectively provided with a second circular hole (28) for inserting the second cylindrical convex part (27).

10. A spring trip mechanism according to claim 9, wherein: The outer periphery of the first cylindrical protrusion (24) and the second cylindrical protrusion (27) is separately or jointly clamped with a first clamping spring (26) and a second clamping spring (29) for limiting the first driving plate (20) and the second driving plate (22) on the side of the first support seat (9) and the second support seat (10).

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