Separation and combination indicating device of horizontal split-phase spring mechanism

Abstract

The utility model relates to the field of spring mechanisms, in particular to an opening and closing indicating device of a horizontal split-phase spring mechanism. The mechanism comprises a mechanism box, and a mechanism crank arm rotating clockwise or anticlockwise around the center is installed in the mechanism box. One end of the mechanism crank arm is connected with the horizontal split-phase spring mechanism, and the other end is connected with the opening and closing indication structure; the opening and closing indication structure comprises a transmission connecting rod I, a transmission connecting rod II, a transmission connecting rod III, a pointer connecting plate and an opening and closing indication board which are connected in sequence; an auxiliary switch I and an auxiliary switch II which are used for transmitting opening and closing state signals to a monitoring background are arranged in the mechanism box; the mechanism box is internally provided with a rotating shaft which is sleeved with a torsion spring and rotationally installed through a fixing base, and is further provided with an observation window corresponding to the rotating shaft in position. According to the utility model, the rotating motion of the mechanism crank arm is converted into the synchronous overturning motion of the opening and closing indication board, so that the opening and closing states can be conveniently checked through the observation window under the condition that the front door plate is not opened, and the checking work during operation and maintenance is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to spring mechanism field especially relates to a horizontal split-phase spring mechanism split and close indication device. BACKGROUND

[0002] Spring operating mechanism is an important component in high-voltage circuit breaker, and its reliability and stability are crucial for the normal operation of high-voltage circuit breaker. With the development of science and technology, the design and manufacturing level of spring operating mechanism is continuously improved to meet higher performance and safety requirements. As one of them, horizontal split-phase spring mechanism has the advantages of compact structure and reliable action, and has been widely used in high-voltage circuit breaker.

[0003] For traditional vertical spring mechanism, the split and close indication device can be installed on the mechanism crank, and the switching of split and close indication is realized by the rotation of the crank. However, for horizontal spring mechanism, especially when three-phase spring mechanism is arranged in one mechanism box, if the traditional split and close indication is used, the split and close indication of the middle-phase spring mechanism cannot be directly observed outside the mechanism box, which brings inconvenience to operation and maintenance. UTILITY MODEL CONTENTS

[0004] In view of the problems in the background art, a horizontal split-phase spring mechanism split and close indication device is proposed

[0005] The utility model discloses a horizontal split-phase spring mechanism split and close indication device, including mechanism box, the mechanism box is installed with the mechanism crank that rotates clockwise or counterclockwise around the center, one end of mechanism crank is connected with horizontal split-phase spring mechanism, the other end is connected with split and close indication structure, split and close indication structure includes transmission connecting rod one, transmission connecting rod two, transmission connecting rod three, pointer connecting plate and split and close indication board that are connected in turn, transmission connecting rod one moves under the rotation of mechanism crank and drives transmission connecting rod two, transmission connecting rod three synchronous horizontal movement, auxiliary switch one and auxiliary switch two that transmit split and close state signal to monitoring background are provided in mechanism box, transmission connecting rod two and transmission connecting rod three are connected, and through auxiliary open connecting plate one, auxiliary switch one is connected through auxiliary open connecting plate two, auxiliary switch two, the rotation shaft that is rotatably installed through the fixed seat is provided in mechanism box and is also provided with the observation window corresponding with the position of rotation shaft, split and close indication board is sleeved on the rotation shaft, and split and close indication content is switched by rotating synchronous overturning through the rotation of rotation shaft, one end of pointer connecting plate is connected with rotation shaft, and the other end rotatably connects the tail end of transmission connecting rod three, and rotates synchronously with the horizontal movement of transmission connecting rod three.

[0006] Preferably, transmission connecting rod one includes a joint and a round rod connected by a locking nut.

[0007] Preferably, one end of auxiliary open connecting plate one and auxiliary open connecting plate two is provided with a large round hole, and the other end is provided with a plurality of small holes.

[0008] Preferably, the auxiliary switch one and the auxiliary switch two are both F9-28I / W, and a multi-hole mounting plate is arranged in the middle and is mounted through the plurality of small holes of the multi-hole mounting plate and the auxiliary opening connecting plate one and the auxiliary opening connecting plate two.

[0009] Preferably, the transmission connecting rod two has a circular hole at each of the left and right ends, the left end of the transmission connecting rod two is connected to the large circular hole of the auxiliary opening connecting plate one through a shaft pin, and the right end of the transmission connecting rod two is connected to the large circular hole of the auxiliary opening connecting plate two through a shaft pin.

[0010] Preferably, the transmission connecting rod three has a circular hole at each of the left and right ends, the left end of the transmission connecting rod three is connected to the large circular hole of the auxiliary opening connecting plate two through a shaft pin, and the right end of the transmission connecting rod three is connected to the circular hole of the pointer connecting plate through a shaft pin.

[0011] Preferably, the pointer connecting plate has a circular hole at one end and a square hole at the other end, and the split and combined indicator plate is a right-angle plate, one side of which is marked with'split' and the other side of which is marked with 'combined'.

[0012] Preferably, an 'L'-shaped support plate is arranged in the mechanism box, and the support plate is provided with an auxiliary switch mounting hole and a fixed seat mounting hole.

[0013] Preferably, the fixed seat has a circular hole in the middle and a threaded hole in the bottom surface.

[0014] Preferably, one end of the rotating shaft is square and the other end is circular, the circular end has a threaded hole in the middle and spring retaining groove at both ends, the circular end of the rotating shaft is inserted into the middle circular hole of the fixed seat and is mounted on the fixed seat through the clamping spring in the spring retaining groove, the square end of the pointer connecting plate is inserted into the square end of the rotating shaft and is fastened through a nut, one end of the support screw rod passes through the fixed seat mounting hole of the support plate and is connected to the fixed seat through screw connection, the other end of the support screw rod is connected to the mounting hole at the bottom of the mechanism box, and the split and combined indicator plate is mounted on the threaded hole in the middle of the circular end of the rotating shaft through a bolt.

[0015] Compared with the prior art, the device has the following beneficial technical effects: the device is directly connected with the horizontal phase separation spring mechanism through the mechanism crank, the structure is compact, and the device is simple and convenient to install and disassemble; when the horizontal phase separation spring mechanism works, the rotating movement of the mechanism crank is converted into the synchronous flipping movement of the split and combined indicator plate through the cooperation of the transmission connecting rod one, the transmission connecting rod two, the transmission connecting rod three, the pointer connecting plate and the split and combined indicator plate connected in sequence, and thus the split and combined indicator plate can be conveniently observed through the observation window without opening the front door plate, and the inspection work is facilitated during operation and maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 1 is a structural schematic view of a split and combined indicator device for a horizontal phase separation spring mechanism in the utility model (view angle one);

[0017] Figure 2 It is the structure schematic view of the horizontal phase spring mechanism split and combination indication device (view angle two) in the utility model.

[0018] Figure 3 It is the structure schematic view of the transmission connecting rod one.

[0019] The figure mark: 1, mechanism crank; 2, transmission connecting rod one; 3, auxiliary opening connecting plate one; 4, auxiliary switch one; 5, transmission connecting rod two; 6, auxiliary opening connecting plate two; 7, auxiliary switch two; 8, transmission connecting rod three; 9, pointer connecting plate; 10, support plate; 11, split and combination indication board; 12, mechanism box; 13, observation window; 14, rotating shaft; 15, fixed seat; 16, support screw; 17, joint; 18, round rod; 19, locking nut. Specific implementation

[0020] Example one

[0021] As Figures 1-2 shown, the utility model provides a kind of horizontal phase spring mechanism split and combination indication device, including mechanism box 12, mechanism box 12 is installed with the mechanism crank 1 rotating clockwise or counterclockwise around center;Mechanism crank 1 one end is connected horizontal phase spring mechanism, the other end is connected split and combination indication structure;Split and combination indication structure includes transmission connecting rod one 2, transmission connecting rod two 5, transmission connecting rod three 8, pointer connecting plate 9 and split and combination indication board 11 connected in turn;Transmission connecting rod one 2 moves under the rotation of mechanism crank 1, and drives transmission connecting rod two 5, transmission connecting rod three 8 synchronous horizontal movement;Mechanism box 12 is provided with auxiliary switch one 4 and auxiliary switch two 7, which transmit split and combination state signal to monitoring background;Transmission connecting rod two 5 and transmission connecting rod three 8 are connected, auxiliary switch one 4 is connected through auxiliary opening connecting plate one 3, auxiliary switch two 7 is connected through auxiliary opening connecting plate two 6;Mechanism box 12 is provided with sleeve joint torsion spring, and rotating shaft 14 is rotatably installed by fixed seat 15, and also provided with observation window 13 corresponding with the position of rotating shaft 14;Split and combination indication board 11 is sleeved on rotating shaft 14, and split and combination indication content is switched by rotating synchronously through rotating shaft 14;One end of pointer connecting plate 9 is connected with rotating shaft 14, and the other end is rotatably connected with the tail end of transmission connecting rod three 8, and it is synchronously rotated with the horizontal movement of transmission connecting rod three 8.

[0022] As Figure 3 shown, transmission connecting rod one 2 includes joint 17 and round rod 18 connected by locking nut 19.

[0023] It needs to be further explained that one end of auxiliary opening connecting plate one 3 and auxiliary opening connecting plate two 6 is provided with large round hole, and the other end is provided with multiple small holes.

[0024] Further, the auxiliary switch one 4 and the auxiliary switch two 7 are both F9-28I / W, and a plurality of holes are arranged in the middle of the auxiliary switch one 4 and the auxiliary switch two 7, and the plurality of holes are connected with the plurality of small holes of the auxiliary switch connecting plate one 3 and the auxiliary switch connecting plate two 6.

[0025] Further, the transmission connecting rod two 5 has a circular hole at each of the left and right ends, the left end of the transmission connecting rod two 5 is connected with the large circular hole of the auxiliary switch connecting plate one 3 through a shaft pin, and the right end of the transmission connecting rod two 5 is connected with the large circular hole of the auxiliary switch connecting plate two 6 through a shaft pin.

[0026] Further, the transmission connecting rod three 8 has a circular hole at each of the left and right ends, the left end of the transmission connecting rod three 8 is connected with the large circular hole of the auxiliary switch connecting plate two 6 through a shaft pin, and the right end of the transmission connecting rod three 8 is connected with the circular hole of the pointer connecting plate 9 through a shaft pin.

[0027] Further, the pointer connecting plate 9 has a circular hole at one end and a square hole at the other end, and the split and combination indicator 11 is a right-angle plate, one side of which is marked with “split” and the other side of which is marked with “combination”.

[0028] Further, the mechanism box 12 is provided with an “L”-shaped support plate 10, and the support plate 10 is provided with an auxiliary switch mounting hole and a fixing seat mounting hole.

[0029] Further, the fixing seat 15 has a circular hole in the middle and a threaded hole in the bottom surface.

[0030] Further, one end of the rotating shaft 14 is square and the other end is circular, the circular end has a threaded hole in the middle and a snap spring groove at each end, the circular end of the rotating shaft 14 is inserted into the middle circular hole of the fixing seat 15, and the rotating shaft 14 is installed on the fixing seat 15 through the snap spring in the snap spring groove, the square end of the pointer connecting plate 9 is inserted into the square end of the rotating shaft 14 and fastened through a nut, one end of the support screw 16 passes through the fixing seat mounting hole of the support plate 10 and is threadedly connected with the fixing seat 15, the other end of the support screw 16 is connected with the mounting hole at the bottom of the mechanism box 12, and the split and combination indicator 11 is installed on the rotating shaft 14 through a bolt at the threaded hole in the middle of the circular end of the rotating shaft 14.

[0031] Embodiment Two

[0032] Based on the split and combination indicator device of the horizontal split-phase spring mechanism in Embodiment One, the embodiment proposes a split and combination indication method of the horizontal split-phase spring mechanism, and the specific steps are as follows:

[0033] First install the horizontal phase spring mechanism on-off indication device, auxiliary switch one 4, auxiliary switch two 7 through bolt installation in the appropriate position of support plate 10, transmission connecting rod one 2 joint 17 through the shaft pin and mechanism crank 1 is connected, the round bar 18 right end round hole through the shaft pin and auxiliary open connecting plate one 3 big round hole is connected, through adjusting the length of round bar 18 screw into joint 17 threaded hole, then use locking nut 19 fixed, can adapt to the distance between mechanism crank 1 and auxiliary switch one 4 changes.

[0034] Auxiliary open connecting plate one 3 multiple small round hole end and auxiliary switch one 4 center of the multiple hole mounting plate through bolt fastening connection, transmission connecting rod two 5 left end round hole through the shaft pin and auxiliary open connecting plate one 3 big round hole is connected, transmission connecting rod two 5 right end round hole through the shaft pin and auxiliary open connecting plate two 6 big round hole is connected, auxiliary open connecting plate two 6 multiple small round hole end and auxiliary switch two 7 center of the multiple hole mounting plate through bolt fastening connection, transmission connecting rod three 8 left end round hole through the shaft pin and auxiliary open connecting plate two 6 big round hole is connected, transmission connecting rod three 8 right end round hole through the shaft pin and pointer connecting plate 9 round hole is connected, the square hole end of pointer connecting plate 9 is inserted into the square end of rotating shaft 14, and then fastened with nut.

[0035] The circular end of rotating shaft 14 is inserted into the middle round hole of fixed seat 15, and the rotating shaft 14 is installed on the fixed seat 15 by a snap spring. One end of support screw 16 passes through the mounting hole on support plate 10 and is screwed into the threaded hole below fixed seat 15 to fix fixed seat 15 on support plate 10. The other end of support screw 16 is screwed into the mounting hole at the bottom of mechanism box 12 to support and fix support plate 10. The on-off indicator 11 is bolted to the threaded hole in the middle of the circular end of rotating shaft 14.

[0036] When the on-off indicator is in the "split" state, when converting to the "close" position, mechanism crank 1 rotates counterclockwise around the center, driving transmission connecting rod one 2 to move to the right, transmission connecting rod one 2 pushes auxiliary open connecting plate one 3 to rotate counterclockwise around the center axis of auxiliary switch one 4, in turn driving transmission connecting rod two 5 to move to the right, transmission connecting rod two 5 pushes auxiliary open connecting plate two 6 to rotate counterclockwise around the center axis of auxiliary switch two 7, in turn driving transmission connecting rod three 8 to move to the right, transmission connecting rod three 8 pushes pointer connecting plate 9 to rotate counterclockwise around the center of rotating shaft 14, in turn driving rotating shaft 14 to rotate counterclockwise in the center hole of fixed seat 15, on-off indicator 11 fixed on the rotating shaft rotates counterclockwise with rotating shaft 14, "split" turns from facing forward to facing upward, "close" turns from facing downward to facing forward, completing the conversion from "split" state to "close" state. When converting from "close" state to "split" state, the above process moves in the opposite direction.

[0037] The state of on-off indicator 11 in mechanism box 12 can be conveniently observed through observation window 13 without opening the front door plate, facilitating inspection during operation and maintenance.

[0038] The embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. A horizontal split-phase spring mechanism split-combination indicating device, comprising a mechanism box (12), a mechanism crank (1) rotating clockwise or counterclockwise around the center is installed in the mechanism box (12); characterized in that, One end of the mechanism arm (1) is connected with horizontal split-phase spring mechanism, and the other end is connected with split and close indication structure; the split and close indication structure includes transmission link one (2), transmission link two (5), transmission link three (8), pointer link plate (9) and split and close indication board (11) connected in sequence; Transmission link one (2) moves under the rotation of mechanism arm (1) and drives transmission link two (5) and transmission link three (8) to move horizontally synchronously; Auxiliary switch one (4) and auxiliary switch two (7) are arranged in mechanism box (12) to transmit split and close state signals to monitoring background; Transmission link two (5) and transmission link three (8) are connected, auxiliary switch one (4) is connected through auxiliary opening link plate one (3), and auxiliary switch two (7) is connected through auxiliary opening link plate two (6); Rotary shaft (14) is arranged in mechanism box (12) and is rotatably installed through sleeve torsion spring and fixed seat (15), and observation window (13) corresponding to the position of rotary shaft (14) is further arranged; Split and close indication board (11) is sleeved on rotary shaft (14) and is synchronously turned over to switch split and close indication content through the rotation of rotary shaft (14); One end of pointer link plate (9) is connected with rotary shaft (14), and the other end is rotatably connected with the tail end of transmission link three (8) and is synchronously rotated with the horizontal movement of transmission link three (8).

2. The horizontal split spring mechanism split indication device according to claim 1, characterized by, Transmission link one (2) includes joint (17) and round rod (18) connected through locking nut (19).

3. The horizontal split spring mechanism split indication device according to claim 1, characterized by, One end of auxiliary opening link plate one (3) and auxiliary opening link plate two (6) is provided with large round hole, and the other end is provided with multiple small holes.

4. The horizontal split spring mechanism split indication device according to claim 3, characterized by Auxiliary switch one (4) and auxiliary switch two (7) are both F9-28I / W, and multiple hole mounting plates rotatable around the center are arranged in the middle and are mounted through the multiple hole mounting plates and the multiple small holes of auxiliary opening link plate one (3) and auxiliary opening link plate two (6).

5. The horizontal split spring mechanism split indication device according to claim 3, wherein Transmission link two (5) is provided with one round hole at each of the left and right ends, the left end round hole of transmission link two (5) is connected with the large round hole of auxiliary opening link plate one (3) through shaft pin, and the right end round hole of transmission link two (5) is connected with the large round hole of auxiliary opening link plate two (6) through shaft pin.

6. The horizontal split spring mechanism split indication device according to claim 3, wherein Transmission link three (8) is provided with one round hole at each of the left and right ends, the left end round hole of transmission link three (8) is connected with the large round hole of auxiliary opening link plate two (6) through shaft pin, and the right end round hole of transmission link three (8) is connected with the round hole of pointer link plate (9) through shaft pin.

7. The horizontal split spring mechanism split indication device according to claim 1, characterized by One end of pointer link plate (9) is round hole, and the other end is square hole. Split and close indication board (11) is right-angle plate, one side of which is engraved with "split", and the other side is engraved with "close".

8. The horizontal split spring mechanism split indication device according to claim 7, wherein "L" type support plate (10) is arranged in mechanism box (12), and auxiliary switch mounting hole and fixed seat mounting hole are arranged on the support plate (10).

9. The horizontal split spring mechanism split indication device according to claim 8, wherein Fixed seat (15) is provided with round hole in the middle and threaded hole in the bottom surface.

10. The horizontal split spring mechanism split indication device according to claim 9, wherein One end of rotary shaft (14) is square, and the other end is round, the middle of the round end is provided with threaded hole, and the two ends of the round end are provided with snap spring grooves; the round end of rotary shaft (14) is inserted into the middle round hole of fixed seat (15), and rotary shaft (14) is installed on fixed seat (15) through the snap spring in snap spring groove; the square end of pointer link plate (9) is inserted into the square end of rotary shaft (14), and is fastened through nut; One end of the supporting screw rod (16) is installed through the fixing seat mounting hole on the supporting plate (10) and is screwed with the fixing seat (15), and the other end of the supporting screw rod (16) is connected with the mounting hole at the bottom of the mechanism box (12); The on-off indicator (11) is installed in the threaded hole in the middle of the circular end of the rotating shaft (14) through bolts.

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