Electric spring operating mechanism with clutch

Abstract

The utility model discloses an electric spring operating mechanism with a clutch, which relates to the technical field of high-voltage switch equipment and comprises a shell, a power output shaft, a worm gear, a worm, a power shaft, a clutch sleeve and a transmission plate. The worm gear and the worm are arranged and can achieve power input to the power output shaft, transmission between the worm gear and the power output shaft is achieved through the separable limiting block and the pin rod, and the worm gear is in transmission connection with the power output shaft only in the energy storage process so that mutual interference in the energy storage process and the energy release process can be avoided. By arranging the clutch sleeve capable of sliding horizontally, the clutch sleeve can ensure the connection between the worm and the input shaft in the energy storage process so as to ensure the stability in the energy storage process, and the clutch sleeve can release the connection between the worm and the input shaft in the release process so as to ensure the stability in the energy storage process. Therefore, mutual interference of energy storage and release processes is prevented from influencing closing or opening of the power output shaft.

Description

TECHNICAL FIELD

[0001] The utility model relates to high voltage switchgear technical field, especially a kind of electric spring operating mechanism with clutch. BACKGROUND

[0002] For the needs of sustainable development and environmental protection, China's power transmission and distribution develops rapidly, especially 1000KV ultra-high voltage transmission is in the world leading level. Ultra-high voltage power equipment such as circuit breaker and fully enclosed combined electrical apparatus have been localized, but the operating mechanism in such equipment must be imported from abroad as soon as possible. Hydraulic spring mechanism still has the defect of oil leakage. Spring operating mechanism is a mechanical operating mechanism with energy storage spring as energy storage element. The energy storage of spring is completed by energy storage shaft through speed reducer, and is kept in energy storage state through lock catch system. When breaking, the lock catch is released, the energy storage spring releases energy, and the mechanical transmission unit makes the crank arm drive the switch to move. Spring operating mechanism includes manual spring operating mechanism and electric spring operating mechanism. Usually, electric spring operating mechanism includes manual spring operating part and electric control spring operating part.

[0003] An electric spring operating mechanism with publication number CN103337385A. It solves the problem that the existing spring operating mechanism only has closing function, which makes the product troublesome during assembly and debugging, and the application range is small. It includes two side plates and a reinforcing plate. The reinforcing plate and one of the side plates form a cavity for accommodating the opening mechanism. The opening mechanism includes a drive shaft, an opening crank arm and an opening spring. The drive shaft is connected with the drive plate of the closing mechanism. The opening crank arm is connected with the drive shaft and the opening spring. The utility model adds the opening mechanism, so that the utility model has the functions of opening and closing. The opening and closing debugging is simple, which ensures the performance of the product. When assembled with other electrical equipment, it is convenient to assemble, reliable in mechanical performance, can provide strong operating power, and can be used for high-voltage and ultra-high-voltage circuit breakers and fully enclosed combined electrical apparatus.

[0004] The above technical solution has some problems in actual application. The technical solution has simple structure, the drive shaft is connected with the drive plate and other structures for a long time, the drive shaft cannot realize bidirectional separation, the energy storage process and the release process may interfere with each other, and the reliability of the operating mechanism cannot be ensured during closing or opening. In addition, the output shaft directly drives the auxiliary switch, the auxiliary switch signal cannot lag behind the output shaft to position signal, and the application range is limited.

[0005] Therefore, it is necessary to invent an electric spring operating mechanism with clutch to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose at providing a kind of electric spring operating mechanism with clutch, to solve the problem raised in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of electric spring operating mechanism with clutch, comprising:

[0008] Shell, it is provided with cavity inside being square structure;

[0009] Power output shaft, it is located in the inside of shell and both ends extend to the outside of shell;

[0010] Worm wheel, it is rotatably located in the inside bottom end of shell, the worm wheel is located in the middle part of power output shaft, and worm wheel and power output shaft can rotate alone;

[0011] Worm, it is rotatably located in the inside of shell and is engaged with worm wheel, and the middle part of worm is equipped with input shaft, one end of the input shaft is equipped with rotating handle by bevel gear set, and rotating handle is rotatably equipped on the outer surface of shell;

[0012] Power shaft, it is rotatably located in the inside of shell and is aligned with input shaft;

[0013] Clutch cover, and between power shaft and input shaft, the clutch cover is used to realize the transmission connection between power shaft and input shaft;

[0014] Transmission plate, it is slidably located in the inside of shell and is located below worm wheel, the transmission plate is used to realize the transmission between worm wheel and clutch cover.

[0015] Preferably, swing arm and spring rod, the swing arm is fixedly equipped in the middle part of power output shaft, the spring rod is rotatably equipped in the inside of shell, and one end of spring rod is connected with one end of swing arm, the power output shaft rotation can compress spring rod energy storage;

[0016] Pin rod, it is located at the junction of swing arm and spring rod;

[0017] Transmission seat, it is located in the middle part of top end of worm wheel and is attached to the outside bottom end of pin rod, the transmission seat is provided with annular structure, and both sides of transmission seat are equipped with limit block, the worm wheel drives pin rod movement through transmission seat and limit block, the pin rod drives swing arm rotation and compresses spring rod energy storage.

[0018] Preferably, positioning seat, it is equipped in the bottom end of power output shaft and is equipped with protruding positioning block on the outside;

[0019] Positioning cover, it is equipped in the inside bottom end of shell and is located below worm wheel, and the outside wall top end of positioning cover is equipped with recess corresponding with positioning block;

[0020] A positioning rod is slidably arranged in a positioning sleeve, and a release slot is arranged in the middle of the positioning rod. A spring is arranged between the positioning rod and the positioning sleeve.

[0021] A pressing block is arranged on the lower surface of the worm, and the pressing block can rotate with the worm and press the positioning rod to move downward. The positioning rod slides up and down in the positioning sleeve and blocks and releases the positioning block through the release slot.

[0022] Preferably, a flange is arranged on the outer side of the positioning seat, and a travel switch is arranged on the inner bottom end of the housing. The flange rotates with the positioning seat and the power output shaft and detects the rotation range of the power output shaft through the travel switch.

[0023] Preferably, an arc-shaped sliding groove is spirally arranged at both ends of the clutch sleeve.

[0024] A strip-shaped sliding groove is arranged at both ends of the clutch sleeve and at one end of the arc-shaped sliding groove.

[0025] Two slide rods are arranged at one end of the input shaft and the power shaft respectively. The slide rods can slide along the arc-shaped sliding groove and enter the strip-shaped sliding groove. When the slide rods slide along the arc-shaped sliding groove, they press the clutch sleeve to slide horizontally.

[0026] Preferably, a slide seat and a clutch mounting frame are arranged. The slide seat is rotatably arranged in the middle of the clutch sleeve, and the clutch mounting frame is arranged in the inner part of the housing. The slide seat is slidably arranged in the inner part of the clutch mounting frame, and one end of the slide seat is connected to the transmission plate.

[0027] Preferably, a clamping groove and a pulley are arranged. The clamping groove is arranged on the inner side of the transmission plate, and the pulley is arranged below the worm. The pulley rotates with the worm and enters the clamping groove to drive the transmission plate to slide horizontally, thereby driving the slide seat and the clutch sleeve to slide horizontally to achieve the clutch effect.

[0028] An arc-shaped groove for guiding the pulley is arranged at the slot of the clamping groove. A "C"-shaped mounting plate is arranged above the pulley, and the mounting plate is fixedly arranged below the worm.

[0029] Preferably, an auxiliary switch push plate is arranged below the transmission plate and connected to the transmission plate by a connecting rod.

[0030] An auxiliary switch is arranged on the inner bottom end of the housing.

[0031] A transmission shaft is rotatably arranged on the inner bottom end of the housing, and a manual rotating rod is arranged at the top end of the transmission shaft through a bevel gear set.

[0032] Two transmission arms are arranged at the output shaft of the auxiliary switch and the bottom end of the transmission shaft respectively.

[0033] The device includes a strip groove and a movable rod. The strip groove is located in the middle of the transmission arm, and the movable rod is slidably located inside the strip groove and below the auxiliary switch push plate. The auxiliary switch and the transmission shaft drive the transmission arm to rotate, thereby causing the auxiliary switch push plate to slide horizontally. The auxiliary switch push plate drives the slide block and the clutch sleeve to slide horizontally through the transmission plate to achieve the clutch engagement / disengagement effect.

[0034] Preferably, the motor is located at the bottom of the inner part of the housing, and a connecting gear is provided between the output shaft of the motor and one end of the power shaft.

[0035] Preferably, the driven crank arm and the oil buffer are provided. The driven crank arm is configured as a "V" shape and is located at the top of the power output shaft. The oil buffer is provided in two sets and is located at the top of the inner side wall of the housing. The driven crank arm rotates with the power output shaft and squeezes the oil buffer to absorb the excess kinetic energy when the power output shaft is released by the spring rod.

[0036] The technical effects and advantages of this utility model are as follows:

[0037] 1. This utility model sets up a worm gear and a worm, which can realize the power input to the power output shaft. Furthermore, the worm gear and the power output shaft are connected by a separable limit block and a pin. The worm gear is only connected to the power output shaft during the energy storage process to avoid interference between the energy storage and release processes. This ensures the stability of the energy storage of the power output shaft without affecting its closing or opening.

[0038] 2. This utility model provides a horizontally sliding clutch sleeve, which is used to realize the transmission connection between the worm and the input shaft. The clutch sleeve can ensure the connection between the worm and the input shaft during the energy storage process to ensure the stability of the energy storage process. During the release process, the clutch sleeve can disconnect the connection between the worm and the input shaft to avoid interference between the energy storage and release processes and affect the closing or opening of the power output shaft.

[0039] 3. This utility model, by setting a transmission plate and an auxiliary switch push plate, allows the auxiliary switch to drive the clutch sleeve to slide through the auxiliary switch push plate and the transmission plate, thereby realizing the control of clutch engagement and disengagement during energy storage. By setting a pulley below the worm gear and a slot on the inner side of the transmission plate, the pulley enters the slot as it rotates with the worm gear and pushes the transmission plate to slide horizontally. During the release of the spring rod, the worm gear drives the two auxiliary switches to rotate sequentially through the auxiliary switch push plate, and both auxiliary switches lag behind the output shaft arrival signal, thereby achieving the effect that the auxiliary switch signal lags behind the output shaft arrival signal. Attached Figure Description

[0040] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0041] Figure 2 It is the overall structure of the utility model and shows a view from below.

[0042] Figure 3 It is the power output shaft and worm structure schematic view of the utility model.

[0043] Figure 4 It is the worm structure schematic view of the utility model.

[0044] Figure 5 It is the positioning sleeve structure schematic view of the utility model.

[0045] Figure 6 It is the worm and worm structure schematic view of the utility model.

[0046] Figure 7 It is the clutch mounting frame structure schematic view of the utility model.

[0047] Figure 8 It is the clutch sleeve structure schematic view of the utility model.

[0048] Figure 9 It is the auxiliary switch push plate structure schematic view of the utility model.

[0049] Figure 10 It is the transmission plate and pulley structure schematic view of the utility model.

[0050] In the figure: 1, shell; 2, power output shaft; 3, worm; 4, worm; 5, power shaft; 6, clutch sleeve; 7, transmission plate; 21, swing arm; 22, spring rod; 23, pin rod; 24, driven crank; 25, oil buffer; 31, transmission seat; 311, limit block; 32, positioning seat; 321, positioning block; 322, flange; 323, travel switch; 33, positioning sleeve; 331, recess; 332, positioning rod; 333, release groove; 334, pressing block; 41, input shaft; 42, rotating handle; 51, motor; 52, connecting gear; 61, arc-shaped sliding groove; 62, strip-shaped sliding groove; 63, sliding rod; 64, sliding seat; 65, clutch mounting frame; 701, clamping groove; 702, arc-shaped groove; 703, pulley; 704, mounting plate; 71, auxiliary switch push plate; 711, connecting rod; 72, auxiliary switch; 73, transmission shaft; 74, manual rotating rod; 75, transmission arm; 751, strip-shaped groove; 752, movable rod. DETAILED DESCRIPTION

[0051] 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.

[0052] like Figures 1 to 10 As shown, the electric spring operating mechanism with clutch provided by this utility model is essentially a mechanism in which the power input source can automatically engage and disengage during the energy storage and release process of the closing spring. It can ensure that the energy storage and release processes do not interfere with each other, so as to ensure the stability during the closing or opening process.

[0053] The mechanism includes a power output shaft 2 for providing power for closing or opening the circuit. During the energy storage process, the power output shaft 2 rotates by the compression of the upper limit block 311 of the worm gear 3 by the pin 23, which drives the spring rod 22 to compress and complete the energy storage. After the worm gear 3 rotates to a certain extent, the pin 23 separates from the limit block 311. At this time, the spring rod 22 has completed energy storage. Then, the worm gear 3 drives the clutch sleeve 6 to slide horizontally through the transmission plate 7 to complete the cutting off of the power source. Then, the worm gear 3 rotates and compresses the positioning rod 332, so that the positioning rod 332 releases the limit on the positioning seat 32 at the bottom of the power output shaft 2. At this time, the power output shaft 2 rotates due to the kinetic energy released by the spring rod 22 to complete the closing or opening operation.

[0054] In terms of specific structural installation, the structural body can be constructed according to the utility model concept of this embodiment. In this embodiment, no special limitations are made.

[0055] In this embodiment, an electric spring operating mechanism with a clutch includes:

[0056] The outer shell 1 is designed with a square structure and has an internal cavity;

[0057] The power output shaft 2 is located inside the housing 1 and extends to the outside of the housing 1 at both ends;

[0058] The swing arm 21 and the spring rod 22 are fixedly located in the middle of the power output shaft 2. The spring rod 22 is rotatably located inside the housing 1, and one end of the spring rod 22 is connected to one end of the swing arm 21. The rotation of the power output shaft 2 can compress the spring rod 22 to store energy.

[0059] Pin 23 is located at the connection between the swing arm 21 and the spring rod 22. Pin 23 can rotate with the swing arm 21. Since pin 23 and limit block 311 perform circular motion with different trajectories, pin 23 disengages from limit block 311 after moving a certain range, and the energy storage process ends at this time.

[0060] The driven arm 24 is provided with an oil buffer 25, the driven arm 24 is provided with a "V" structure and is located at the top end of the power output shaft 2, the oil buffer 25 is provided with two groups and is located at the top end of the inner side wall of the shell 1, the driven arm 24 rotates with the power output shaft 2 and extrudes the oil buffer 25 to absorb the excess kinetic energy of the power output shaft 2 when the spring rod 22 is released;

[0061] The worm gear 3 is rotatably arranged at the inner bottom end of the shell 1, the worm gear 3 is arranged at the middle part of the power output shaft 2, and the worm gear 3 and the power output shaft 2 can rotate independently;

[0062] The transmission seat 31 is located at the top middle part of the worm gear 3 and is attached to the outer side bottom end of the pin rod 23, the transmission seat 31 is provided with an annular structure, and the two sides of the transmission seat 31 are provided with limiting blocks 311, the worm gear 3 drives the pin rod 23 to move through the transmission seat 31 and the limiting blocks 311, and the pin rod 23 drives the swing arm 21 to rotate to compress the spring rod 22 to store energy;

[0063] The positioning seat 32 is arranged at the bottom end of the power output shaft 2 and is provided with a protruding positioning block 321 on the outer side;

[0064] The positioning sleeve 33 is arranged at the inner bottom end of the shell 1 and is located below the worm gear 3, and the outer side wall top end of the positioning sleeve 33 is provided with a groove 331 corresponding to the positioning block 321, and the groove 331 is used for the positioning block 321 to pass through;

[0065] The positioning rod 332 and the release groove 333, the positioning rod 332 is slidably arranged in the positioning sleeve 33, the release groove 333 is arranged at the middle part of the positioning rod 332, and the spring is arranged between the positioning rod 332 and the positioning sleeve 33, the spring is used for providing upward kinetic energy for the positioning rod 332, so as to ensure that the release groove 333 is dislocated with the groove 331, the positioning block 321 passes through the groove 331 during the energy storage process, in the last stage of energy storage, the pin rod 23 is separated from the limiting block 311, the spring rod 22 applies force to the power output shaft 2 through the swing arm 21, at this time, the positioning rod 332 blocks the positioning block 321, so as to realize the limiting of the power output shaft 2, so as to avoid that the power output shaft 2 is released during the clutching process of the clutch sleeve 6;

[0066] The pressing block 334 is arranged on the lower surface of the worm gear 3, the pressing block 334 can rotate with the worm gear 3 and extrude the positioning rod 332 to make it move downward, the positioning rod 332 slides up and down in the positioning sleeve 33 and realizes the blocking and releasing of the positioning block 321 through the release groove 333;

[0067] The flange 322 is arranged outside the positioning seat 32, and the travel switch 323 is arranged inside the bottom end of the shell 1. The flange 322 rotates with the positioning seat 32 and the power output shaft 2, and the travel switch 323 detects the rotation range of the power output shaft 2, and is used for detecting the position of the power output shaft 2 to determine whether the device works normally.

[0068] The worm 4 is rotatably arranged inside the shell 1 and is engaged with the worm gear 3. The middle part of the worm 4 is provided with an input shaft 41. One end of the input shaft 41 is provided with a rotating handle 42 through a bevel gear set. The rotating handle 42 is rotatably arranged on the outer surface of the shell 1. The rotating handle 42 is used for manually driving the worm 4 to complete energy storage.

[0069] The power shaft 5 is rotatably arranged inside the shell 1 and is aligned with the input shaft 41.

[0070] The motor 51 is located at the inside bottom end of the shell 1. A connecting gear 52 is arranged between the output shaft of the motor 51 and one end of the power shaft 5. It should be noted that the motor 51 is used to provide power for the compression energy storage of the spring rod 22.

[0071] The clutch sleeve 6 is arranged between the power shaft 5 and the input shaft 41. The clutch sleeve 6 is used to realize the transmission connection between the power shaft 5 and the input shaft 41.

[0072] The arc-shaped sliding groove 61 is spirally arranged at both ends of the clutch sleeve 6.

[0073] The strip-shaped sliding groove 62 is arranged at both ends of the clutch sleeve 6 and is connected with one end of the arc-shaped sliding groove 61.

[0074] The slide rod 63 is arranged at one end of the input shaft 41 and the power shaft 5 respectively. The slide rod 63 can slide along the arc-shaped sliding groove 61 and enter the strip-shaped sliding groove 62. When the slide rod 63 slides along the arc-shaped sliding groove 61, it extrudes the clutch sleeve 6 to make it slide horizontally. It should be noted that when the clutch sleeve 6 slides horizontally, the slide rod 63 enters and exits the arc-shaped sliding groove 61 under the guidance of the arc-shaped sliding groove 61, so as to realize the clutching between the clutch sleeve 6 and the power shaft 5 or the input shaft 41.

[0075] The slide seat 64 and the clutch mounting frame 65 are arranged. The slide seat 64 is rotatably arranged at the middle part of the clutch sleeve 6. The clutch mounting frame 65 is arranged inside the shell 1. The slide seat 64 is slidably arranged inside the clutch mounting frame 65. One end of the slide seat 64 is connected with the transmission plate 7. The slide seat 64 is used to ensure that the clutch sleeve 6 stably slides in the clutch mounting frame 65.

[0076] The transmission plate 7 is slidably arranged inside the shell 1 and below the worm gear 3. The transmission plate 7 is used to realize the transmission between the worm gear 3 and the clutch sleeve 6.

[0077] The card slot 701 is arranged on the inner side of the transmission plate 7, and the pulley 703 is arranged below the worm gear 3. The pulley 703 rotates into the card slot 701 to drive the transmission plate 7 to slide horizontally, and the transmission plate 7 drives the sliding seat 64 and the clutch sleeve 6 to slide horizontally to achieve the clutch effect.

[0078] The card slot 701 is arranged on the inner side of the transmission plate 7, and the pulley 703 is arranged below the worm gear 3. The pulley 703 rotates into the card slot 701 to drive the transmission plate 7 to slide horizontally, and the transmission plate 7 drives the sliding seat 64 and the clutch sleeve 6 to slide horizontally to achieve the clutch effect.

[0079] The auxiliary switch push plate 71 is arranged below the transmission plate 7 and is connected with the transmission plate 7 through the connecting rod 711.

[0080] The auxiliary switch 72 is arranged at the bottom end of the housing 1.

[0081] The transmission shaft 73 is rotatably arranged at the bottom end of the housing 1, and the top end of the transmission shaft 73 is provided with the manual rotating rod 74 through the bevel gear set.

[0082] The transmission arm 75 is arranged with two groups and is respectively arranged at the output shaft of the auxiliary switch 72 and the bottom end of the transmission shaft 73.

[0083] The strip-shaped slot 751 is arranged in the middle of the transmission arm 75, and the movable rod 752 is slidably arranged in the strip-shaped slot 751 and below the auxiliary switch push plate 71. The auxiliary switch 72 and the transmission shaft 73 drive the transmission arm 75 to rotate to drive the auxiliary switch push plate 71 to slide horizontally, and the auxiliary switch push plate 71 drives the sliding seat 64 and the clutch sleeve 6 to slide horizontally to achieve the clutch effect. It should be noted that the auxiliary switch 72 is used to output the lag signal after the arrival signal of the transmission shaft 2.

[0084] When the device is used to close or open the spring operating mechanism with a clutch, the power output shaft 2 can be driven to rotate by the motor 51 or the rotating handle 42, and slowly compress the spring rod 22 to complete the energy storage. After the spring rod 22 completes the energy storage, the clutch sleeve 6 slides horizontally to complete the power input removal. At this time, the spring rod 22 quickly releases the kinetic energy, so that the power output shaft 2 quickly reverses to complete the closing or opening operation.

[0085] In the energy storage process, the motor 51 drives the power shaft 5 through the connecting gear 52, the power shaft 5 drives the clutch sleeve 6 through the slide bar 63 and the strip-shaped slide groove 62, the clutch sleeve 6 drives the input shaft 41 through the slide bar 63 and the strip-shaped slide groove 62, the input shaft 41 drives the worm 4, the worm 4 drives the worm gear 3, the transmission seat 31 above the worm gear 3 drives the pin rod 23 to move through the limiting block 311, the pin rod 23 drives the power output shaft 2 to rotate through the swing arm 21, and the spring rod 22 is compressed, so as to complete the energy storage process;

[0086] In this process, the pressing block 334 below the worm gear 3 extrudes the positioning rod 332 to move downward, at this time the release groove 333 in the middle of the positioning rod 332 coincides with the groove 331, in this process, the power output shaft 2 drives the positioning seat 32 to rotate, so that the positioning block 321 outside the positioning seat 32 moves through the release groove 333 and the groove 331 to one side of the positioning sleeve 33, and then the pressing block 334 is separated from the positioning rod 332, the positioning rod 332 is reset upward under the action of the spring below it, at this time the release groove 333 is misaligned with the groove 331, and the positioning rod 332 can limit the positioning block 321, the positioning seat 32 and the power output shaft 2;

[0087] In the last stage of the energy storage process, the worm gear 3 rotates to a certain angle, the pulley 703 below the worm gear 3 slides into the clamping groove 701, the worm gear 3 extrudes the clamping groove 701 through the pulley 703 to make the transmission plate 7 slide horizontally, the transmission plate 7 drives the clutch sleeve 6 to slide horizontally through the slide seat 64, so that a group of strip-shaped slide grooves 62 on the clutch sleeve 6 are separated from the slide bar 63, at this time the power input of the worm 4 can be removed, at this time the worm 4 and the worm gear 3 stop rotating, at this time another group of pressing blocks 334 below the worm gear 3 rotate above the positioning rod 332, the positioning rod 332 is extruded to move downward so that the release groove 333 coincides with the groove 331, at this time the limiting of the positioning block 321 is removed, at this time the limiting of the positioning seat 32 and the power output shaft 2 is removed, the spring rod 22 quickly releases the kinetic energy, so that the power output shaft 2 quickly rotates to complete the closing or opening operation;

[0088] When the spring rod 22 is released at the middle, the energy released by the spring rod 22 drives the output shaft 2 to rotate, at this time, the pulley 703 below the worm wheel 3 is clamped into the clamping groove 701, and the transmission plate 7 is driven to slide horizontally, the transmission plate 7 drives the auxiliary switch push plate 71 to slide horizontally, the auxiliary switch push plate 71 drives the auxiliary switch 72 to rotate, so that one auxiliary switch 72 is turned off and a signal is sent, then the spring rod 22 is quickly released, the output shaft 2 is rotated to the position, and since the kinetic energy of the spring rod 22 is released quickly, the output shaft 2 is rotated to the position after a delay time, and the auxiliary switch 72 sends a signal, so that the signal of one auxiliary switch 72 is delayed relative to the signal of the output shaft 2 to the position, then the motor 51 continues to drive the worm wheel 3 to rotate, the worm wheel 3 drives the transmission plate 7 and the auxiliary switch push plate 71 to move, when the worm wheel 3 rotates and moves by an angle, the transmission plate 7 drives the clutch sleeve 6 to slide, so that the power input of the worm gear 4 is released, at this time, the other auxiliary switch 72 is turned on and a signal is sent, since the output shaft 2 is rotated to the position and the motor 51 drives the worm wheel 3 to continue to rotate for a certain time, the signal between the output shaft 2 to the position signal and the auxiliary switch push plate 72 exists a time difference, so that the signals of the two auxiliary switches 72 are both delayed relative to the signal of the output shaft 2 to the position, and at the same time, the rotating handle 74 can also control the auxiliary switch 72 to achieve the effect of controlling the signal delay output.

[0089] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. An electric spring-operated mechanism with a clutch, characterized in that, include: The outer shell (1) is designed as a square structure and has an internal cavity; The power output shaft (2) is located inside the housing (1) and extends to the outside of the housing (1) at both ends; The worm gear (3) is rotatably located at the bottom of the inner part of the housing (1). The worm gear (3) is located in the middle of the power output shaft (2), and the worm gear (3) and the power output shaft (2) can rotate independently. The worm (4) is rotatably disposed inside the housing (1) and meshes with the worm wheel (3). The middle part of the worm (4) is provided with an input shaft (41). One end of the input shaft (41) is provided with a rotating handle (42) through a bevel gear set. The rotating handle (42) is rotatably disposed on the outer surface of the housing (1). The power shaft (5) is rotatably disposed inside the housing (1) and aligned with the input shaft (41); The clutch sleeve (6) is located between the power shaft (5) and the input shaft (41), and the clutch sleeve (6) is used to realize the transmission connection between the power shaft (5) and the input shaft (41); A transmission plate (7) is slidably disposed inside the housing (1) and located below the worm gear (3). The transmission plate (7) is used to realize the transmission between the worm gear (3) and the clutch sleeve (6).

2. The electric spring operating mechanism with clutch according to claim 1, characterized in that, Also includes: The swing arm (21) and the spring rod (22) are fixedly located in the middle of the power output shaft (2). The spring rod (22) is rotatably located inside the outer shell (1), and one end of the spring rod (22) is connected to one end of the swing arm (21). The rotation of the power output shaft (2) can compress the spring rod (22) to store energy. Pin (23), which is located at the connection between the rocker arm (21) and the spring rod (22); The transmission seat (31) is located at the top center of the worm gear (3) and is attached to the outer bottom of the pin (23). The transmission seat (31) is designed as a ring structure, and there are limit blocks (311) on both sides of the transmission seat (31). The worm gear (3) drives the pin (23) to move through the transmission seat (31) and the limit blocks (311). The pin (23) drives the swing arm (21) to rotate and compress the spring rod (22) to store energy.

3. The electric spring operating mechanism with clutch according to claim 2, characterized in that, Also includes: The positioning seat (32) is located at the bottom end of the power output shaft (2) and has a protruding positioning block (321) on the outside. The positioning sleeve (33) is located at the bottom of the inner side of the outer shell (1) and below the worm gear (3), and the top of the outer side wall of the positioning sleeve (33) is provided with a groove (331) corresponding to the positioning block (321). The positioning rod (332) and the release groove (333) are provided. The positioning rod (332) is slidably disposed in the positioning sleeve (33), and the release groove (333) is disposed in the middle of the positioning rod (332). A spring is provided between the positioning rod (332) and the positioning sleeve (33). The pressure block (334) is located on the lower surface of the worm gear (3). The pressure block (334) can rotate with the worm gear (3) and squeeze the positioning rod (332) to make it move downward. The positioning rod (332) slides up and down in the positioning sleeve (33) and blocks and releases the positioning block (321) through the release groove (333).

4. The electric spring operating mechanism with clutch according to claim 3, characterized in that, Also includes: The flange (322) and the limit switch (323) are located on the outside of the positioning seat (32) and the limit switch (323) is located at the bottom inside the housing (1). The flange (322) rotates with the positioning seat (32) and the power output shaft (2) and the limit switch (323) detects the rotation range of the power output shaft (2).

5. The electric spring operating mechanism with clutch according to claim 1, characterized in that, Also includes: Arc-shaped groove (61), with its spiral located at both ends of the clutch sleeve (6); A strip groove (62) is provided at both ends of the clutch sleeve (6) and at one end of the arc-shaped groove (61); The slide rod (63) has two of them and is located at one end of the input shaft (41) and the power shaft (5), respectively. The slide rod (63) can slide along the arc-shaped slide groove (61) and enter the strip-shaped slide groove (62). When the slide rod (63) slides along the arc-shaped slide groove (61), it squeezes the clutch sleeve (6) to make it slide horizontally.

6. The electric spring operating mechanism with clutch according to claim 5, characterized in that, Also includes: The slide (64) and the clutch mounting bracket (65) are rotatably disposed in the middle of the clutch sleeve (6) and the clutch mounting bracket (65) is disposed inside the outer shell (1). The slide (64) is slidably disposed inside the clutch mounting bracket (65) and one end of the slide (64) is connected to the transmission plate (7).

7. The electric spring operating mechanism with clutch according to claim 6, characterized in that, Also includes: The slot (701) and pulley (703) are located on the inner side of the transmission plate (7) and the pulley (703) is located below the worm gear (3). The pulley (703) rotates with the worm gear (3) and enters the slot (701) to drive the transmission plate (7) to slide horizontally. The transmission plate (7) drives the slide block (64) and the clutch sleeve (6) to slide horizontally to achieve the clutch effect. The slot (701) has an arc-shaped groove (702) for guiding the pulley (703) at the opening. The pulley (703) has a C-shaped mounting plate (704) above it, and the mounting plate (704) is fixedly located below the worm gear (3).

8. The electric spring operating mechanism with clutch according to claim 6, characterized in that, Also includes: An auxiliary switch push plate (71) is located below the transmission plate (7) and is connected by a connecting rod (711) between it and the transmission plate (7). An auxiliary switch (72) is located at the bottom of the interior of the housing (1); A drive shaft (73) is rotatably located at the bottom of the inner part of the housing (1), and a manual lever (74) is provided at the top of the drive shaft (73) through a bevel gear set. The transmission arm (75) has two sets located at the bottom ends of the output shaft of the auxiliary switch (72) and the transmission shaft (73), respectively; The strip groove (751) and the movable rod (752) are located in the middle of the transmission arm (75). The movable rod (752) is slidably located inside the strip groove (751) and below the auxiliary switch push plate (71). The auxiliary switch (72) and the transmission shaft (73) drive the transmission arm (75) to rotate, thereby driving the auxiliary switch push plate (71) to slide horizontally. The auxiliary switch push plate (71) drives the slide block (64) and the clutch sleeve (6) to slide horizontally through the transmission plate (7) to achieve the clutch effect.

9. The electric spring operating mechanism with clutch according to claim 1, characterized in that, Also includes: The motor (51) is located at the bottom of the inner part of the housing (1), and a connecting gear (52) is provided between the output shaft of the motor (51) and one end of the power shaft (5).

10. The electric spring operating mechanism with clutch according to claim 1, characterized in that, Also includes: The driven crank arm (24) and the oil buffer (25) are provided. The driven crank arm (24) is designed as a "V" shape and is located at the top of the power output shaft (2). The oil buffer (25) is provided in two sets and is located at the top of the inner side wall of the housing (1). The driven crank arm (24) rotates with the power output shaft (2) and squeezes the oil buffer (25) to absorb the excess kinetic energy when the power output shaft (2) is released by the spring rod (22).

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