Electric isolation mechanism

Abstract

The utility model belongs to the field of high-voltage switch equipment, and particularly relates to an electric isolation mechanism, which comprises a rack, and an output shaft, an isolation operation shaft and a grounding operation shaft which are rotatably arranged on the rack, the rack comprises a first mounting plate, a second mounting plate and a third mounting plate which are sequentially arranged at intervals; the isolation operation shaft and the grounding operation shaft are respectively connected with an isolation driving electric mechanism and a grounding driving electric mechanism. The rack comprises a fourth mounting plate, the isolation driving electric mechanism and the grounding driving electric mechanism are mounted on the third mounting plate, the fourth mounting plate is located on the outer sides of the isolation driving electric mechanism and the grounding driving electric mechanism, and a through hole is formed in the fourth mounting plate corresponding to the output shaft. According to the utility model, the fourth mounting plate, the isolation driving electric mechanism and the grounding driving electric mechanism are additionally arranged, so that electric operation is realized, and the overall size is not obviously increased.

Description

TECHNICAL FIELD

[0001] The utility model belongs to high -voltage switchgear field, concretely relates to a kind of electric isolation mechanism. BACKGROUND

[0002] In power system, switch cabinet is an important electrical equipment, for controlling and protecting power line and equipment. Among them, isolation mechanism plays a key role in the normal operation and maintenance process of switch cabinet. The traditional switch cabinet isolation mechanism is mostly manually operated, which has many deficiencies in operation convenience and efficiency.

[0003] With the continuous development of power system and the improvement of intelligent requirements, higher requirements are put forward for the performance and operation mode of switch cabinet isolation mechanism. INVENTION CONTENTS

[0004] The utility model aims at overcoming the shortcomings and deficiencies of prior art, and provides a kind of electric isolation mechanism.

[0005] The utility model adopts the technical scheme as follows: a kind of electric isolation mechanism, including rack and rotatable installation output shaft on the rack, isolation operation shaft, ground operation shaft, the isolation operation shaft, ground operation shaft are located respectively on the two sides of output shaft and are equipped with transmission structure between output shaft, respectively by rotating isolation operation shaft, ground operation shaft can make output shaft rotate and form the switching between split state and closing state, the switching between split state and ground state;

[0006] The rack includes first mounting plate, second mounting plate, third mounting plate sequentially spaced, the output shaft, isolation operation shaft, ground operation shaft rotatable installation are installed on first mounting plate, second mounting plate, third mounting plate;

[0007] The isolation operation shaft, ground operation shaft are connected with isolation drive electric mechanism and ground drive electric mechanism respectively;The rack includes fourth mounting plate, and isolation drive electric mechanism and ground drive electric mechanism are installed on third mounting plate and fourth mounting plate is located on the outer side of isolation drive electric mechanism and ground drive electric mechanism, and fourth mounting plate is equipped with through-hole corresponding output shaft.

[0008] The isolation drive electric mechanism includes isolation drive motor, first clutch transmission mechanism, first isolation drive gear, second isolation drive gear, and the isolation drive motor and first isolation drive gear are unidirectional clutch transmission through first clutch transmission mechanism, and first isolation drive gear and second isolation drive gear are engaged to form isolation drive gear transmission pair, and second isolation drive gear is coaxial linkage with isolation operation shaft.

[0009] The isolation driving motor is limited on the third mounting plate, the first clutch transmission mechanism is fixed on the front face of the third mounting plate, the first isolation driving gear and the second isolation driving gear are arranged on the back face of the third mounting plate, and the fourth mounting plate is located outside the isolation driving gear transmission pair, and the first isolation driving gear is matched with the first clutch transmission mechanism through the transmission shaft penetrating through the third mounting plate.

[0010] The third mounting plate is provided with a second through hole for the isolation driving motor to pass through and matched with the isolation driving motor, the isolation driving motor passes through and is limited in the second through hole, and the tail end of the isolation driving motor is arranged close to or abuts against the fourth mounting plate.

[0011] The grounding driving motor mechanism comprises a grounding driving motor, a second clutch transmission mechanism, a first grounding driving gear and a second grounding driving gear, the grounding driving motor and the first grounding driving gear are one-way clutch transmission through the second clutch transmission mechanism, the first grounding driving gear and the second grounding driving gear are engaged to form a grounding driving gear transmission pair, and the second grounding driving gear is coaxially linked with the grounding operation shaft.

[0012] The grounding driving motor is limited on the third mounting plate, the second clutch transmission mechanism is fixed on the front face of the third mounting plate, the first grounding driving gear and the second grounding driving gear are arranged on the back face of the third mounting plate, and the fourth mounting plate is located outside the grounding driving gear transmission pair, and the first grounding driving gear is matched with the second clutch transmission mechanism through the transmission shaft penetrating through the third mounting plate.

[0013] The third mounting plate is provided with a third through hole for the grounding driving motor to pass through and matched with the grounding driving motor, the grounding driving motor passes through and is limited in the third through hole, and the tail end of the grounding driving motor is arranged close to or abuts against the fourth mounting plate.

[0014] The energy storage mechanism is arranged between the isolation operation shaft and the grounding operation shaft.

[0015] The energy storage mechanism comprises a first transmission arm connected to the isolation operation shaft and synchronously rotating with the isolation operation shaft, a first spring arm hinged to the first transmission arm, a second transmission arm connected to the grounding operation shaft and synchronously rotating with the grounding operation shaft, a second spring arm hinged to the second transmission arm, and an energy storage spring, the first spring arm and the second spring arm are matched with each other, the energy storage spring is sleeved outside the first spring arm and the second spring arm, and the first spring arm and the second spring arm are respectively provided with a first abutting step and a second abutting step abutting against both ends of the energy storage spring.

[0016] The first spring arm is provided with two, the second spring arm is provided with two, and the two first spring arms are located outside the two second spring arms.

[0017] The utility model discloses beneficial effect as follows: the utility model discloses through increasing the fourth mounting plate and the isolation drive electric mechanism and the ground drive electric mechanism, realize electric operation, and the overall volume will not obviously increase. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, under the premise of not paying the creative labor, according to these drawings, other drawings still belong to the scope of the present utility model.

[0019] Figure 1 It is the structural schematic diagram of one embodiment of the utility model;

[0020] Figure 2 It is the cooperation structural schematic diagram of isolation operation shaft and ground operation shaft of one embodiment of the utility model;

[0021] Figure 3 It is the cooperation structural schematic diagram of output shaft, isolation operation shaft and ground operation shaft of one embodiment of the utility model;

[0022] Figure 4 It is the structural schematic diagram of energy storage mechanism of one embodiment of the utility model;

[0023] Figure 5 It is the structural schematic diagram of energy storage mechanism hidden energy storage spring of one embodiment of the utility model. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantage of the present utility model more clear, the following will make further detailed description to the present utility model by combining with the drawings.

[0025] It should be noted that all the expressions of "first" and "second" in the embodiments of the present utility model are used to distinguish two same name different entities or different parameters, and "first" and "second" are only used for the convenience of expression, and should not be understood as the limitation of the embodiments of the present utility model, and the subsequent embodiments will not be described one by one.

[0026] The direction and position language mentioned in the present utility model, for example, up, down, front, back, left, right, inside, outside, top, bottom, side, etc., are only the direction or position of the drawing. Therefore, the direction and position language used is to explain and understand the present utility model, and is not limited to the protection scope of the present utility model.

[0027] An electric isolation mechanism, such as Figure 1As shown, it comprises a frame and an output shaft 2, an isolation operation shaft 3 and a grounding operation shaft 4 rotatably mounted on the frame, the isolation operation shaft 3 and the grounding operation shaft 4 are respectively located on both sides of the output shaft 2 and are provided with transmission structures between the output shaft 2, and the output shaft 2 can be rotated to form switching between the open state and the closed state and switching between the open state and the grounding state by rotating the isolation operation shaft 3 and the grounding operation shaft 4 respectively.

[0028] The frame comprises a first mounting plate 101, a second mounting plate 102, a third mounting plate 103 and a fourth mounting plate 104 arranged in sequence, and the output shaft 2, the isolation operation shaft 3 and the grounding operation shaft 4 are rotatably mounted on the first mounting plate 101, the second mounting plate 102 and the third mounting plate 103.

[0029] As shown, Figure 2 The isolation operation shaft 3 and the grounding operation shaft 4 are respectively connected with an isolation drive motor and a grounding drive motor. The isolation drive motor and the grounding drive motor are mounted on the third mounting plate 103 and the fourth mounting plate 104 is located outside the isolation drive motor and the grounding drive motor, and the fourth mounting plate 104 is provided with a first through hole 105 corresponding to the output shaft 2. Electric drive is realized, which is convenient for remote control.

[0030] Specifically, the isolation drive motor comprises an isolation drive motor 501, a first clutch transmission mechanism 502, a first isolation drive gear 503 and a second isolation drive gear 504, the isolation drive motor 501 and the first isolation drive gear 503 are one-way clutch transmission through the first clutch transmission mechanism 502, the first isolation drive gear 503 and the second isolation drive gear 504 are engaged to form an isolation drive gear transmission pair, and the second isolation drive gear 504 is coaxially linked with the isolation operation shaft 3, so that the isolation drive motor 501 can drive the first isolation drive gear 503 to rotate and the isolation operation shaft 3 can be manually driven to rotate. The grounding drive motor comprises a grounding drive motor 601, a second clutch transmission mechanism 602, a first grounding drive gear 603 and a second grounding drive gear 604, the grounding drive motor 601 and the first grounding drive gear 603 are one-way clutch transmission through the second clutch transmission mechanism 602, the first grounding drive gear 603 and the second grounding drive gear 604 are engaged to form a grounding drive gear transmission pair, and the second grounding drive gear 604 is coaxially linked with the grounding operation shaft 4, so that the grounding drive motor 601 can drive the first grounding drive gear 603 to rotate and the grounding operation shaft 4 can be manually driven to rotate.

[0031] Specifically, the isolation driving motor 501 and the grounding driving motor 601 are limited on the third mounting plate 103, the first clutch transmission mechanism 502 and the second clutch transmission mechanism 602 are fixed on the front of the third mounting plate 103, the first isolation driving gear 503, the second isolation driving gear 504, the first grounding driving gear 603 and the second grounding driving gear 604 are arranged on the back of the third mounting plate 103, and the fourth mounting plate 104 is located outside the isolation driving gear transmission pair and the grounding driving gear transmission pair, the first isolation driving gear 503 and the first grounding driving gear 603 are respectively matched with the first clutch transmission mechanism 502 and the second clutch transmission mechanism 602 through two transmission shafts penetrating through the third mounting plate 103.

[0032] Specifically, the third mounting plate 103 is provided with a second through hole for the isolation driving motor 501 to pass through and matched with the isolation driving motor 501, and a third through hole for the grounding driving motor 601 to pass through and matched with the grounding driving motor 601, the isolation driving motor 501 and the grounding driving motor 601 pass through and are limited in the second through hole and the third through hole respectively, and the tail ends of the isolation driving motor 501 and the grounding driving motor 601 are arranged close to or close to the fourth mounting plate 104, so as to fully utilize the space and reduce the overall volume.

[0033] In this way, the fourth mounting plate 104, the isolation driving motor and the grounding driving motor are added on the original manual isolation mechanism, so as to form an electric isolation mechanism, and the existing manual driving isolation mechanism can be modified or assembled by using the existing production line without too much cost.

[0034] As shown in Figure 2 , Figure 3 The isolation operation shaft 3 and the grounding operation shaft 4 are provided with an energy storage mechanism 7, the energy storage mechanism 7 is used for storing energy when the isolation driving motor 501 or the grounding driving motor 601 starts and releasing energy after the isolation operation shaft 3 or the grounding operation shaft 4 rotates through a critical point, and the energy storage mechanism 7 and the isolation driving motor or the grounding driving motor jointly drive the isolation operation shaft 3 or the grounding operation shaft 4 to complete the rotation action faster.

[0035] Specifically, as shown in Figure 4As shown in the figure, the energy storage mechanism 7 comprises a first transmission arm 701 connected to and rotating synchronously with the isolating operation shaft 3, a first spring arm 702 hinged to the first transmission arm 701, a second transmission arm 703 connected to and rotating synchronously with the grounding operation shaft 4, a second spring arm 704 hinged to the second transmission arm 703, and an energy storage spring 705, wherein the first spring arm 702 and the second spring arm 704 are matched with each other and the energy storage spring 705 is sleeved outside the first spring arm 702 and the second spring arm 704, and the first spring arm 702 and the second spring arm 704 are respectively provided with a first abutting step 706 and a second abutting step 707 abutting with both ends of the energy storage spring 705.

[0036] Further, as shown in the figure, Figure 5 the first spring arm 702 is provided with two, the second spring arm 704 is provided with two, and the two first spring arms 702 are located outside the two second spring arms 704.

[0037] The above disclosed is only the preferred embodiment of the present application, of course, cannot be limited by this to limit the scope of the present application, therefore, the equivalent changes made according to the claims of the present application, still belongs to the scope covered by the present application.

Claims

1. An electric isolation mechanism, comprising a frame, an output shaft (2) rotatably mounted on the frame, an isolation operation shaft (3) and a grounding operation shaft (4), the isolation operation shaft (3) and the grounding operation shaft (4) being respectively located on two sides of the output shaft (2) and being provided with transmission structures between the output shaft (2) and the isolation operation shaft (3) and the grounding operation shaft (4), the output shaft (2) being rotatable to switch between an open state and a closed state and between an open state and a grounding state by rotating the isolation operation shaft (3) and the grounding operation shaft (4) respectively. The frame comprises a first mounting plate (101), a second mounting plate (102) and a third mounting plate (103) arranged in sequence, and the output shaft (2), the isolation operation shaft (3) and the grounding operation shaft (4) are rotatably mounted on the first mounting plate (101), the second mounting plate (102) and the third mounting plate (103). characterized in that The isolation operation shaft (3) and the grounding operation shaft (4) are respectively connected with an isolation driving electric mechanism and a grounding driving electric mechanism, the frame comprises a fourth mounting plate (104), the isolation driving electric mechanism and the grounding driving electric mechanism are mounted on the third mounting plate (103) and the fourth mounting plate (104) is located outside the isolation driving electric mechanism and the grounding driving electric mechanism, and the fourth mounting plate (104) is provided with a through hole (105) corresponding to the output shaft (2).

2. The motorized isolation mechanism of claim 1, wherein: The isolation driving electric mechanism comprises an isolation driving motor (501), a first clutch transmission mechanism (502), a first isolation driving gear (503) and a second isolation driving gear (504), the isolation driving motor (501) and the first isolation driving gear (503) are in one-way clutch transmission through the first clutch transmission mechanism (502), the first isolation driving gear (503) and the second isolation driving gear (504) are in meshing to form an isolation driving gear transmission pair, and the second isolation driving gear (504) is coaxially linked with the isolation operation shaft (3).

3. The motorized isolation mechanism of claim 2, wherein: The isolation driving motor (501) is limited on the third mounting plate (103), the first clutch transmission mechanism (502) is fixed on the front face of the third mounting plate (103), the first isolation driving gear (503) and the second isolation driving gear (504) are arranged on the back face of the third mounting plate (103) and the fourth mounting plate (104) is located outside the isolation driving gear transmission pair, and the first isolation driving gear (503) is matched with the first clutch transmission mechanism (502) through a transmission shaft penetrating through the third mounting plate (103).

4. The motorized isolation mechanism of claim 3, wherein: The third mounting plate (103) is provided with a second through hole for the isolation driving motor (501) to penetrate through and matched with the isolation driving motor (501), the isolation driving motor (501) penetrates through and is limited in the second through hole, and the tail end of the isolation driving motor (501) is arranged in abutment with or close to the fourth mounting plate (104).

5. The motorized isolation mechanism of claim 1, wherein: The ground driving motor (601) is limited on the third mounting plate (103), the second clutch transmission mechanism (602) is fixed on the front face of the third mounting plate (103), the first ground driving gear (603) and the second ground driving gear (604) are arranged on the back face of the third mounting plate (103) and the fourth mounting plate (104) is located on the outside of the ground driving gear transmission pair, and the first ground driving gear (603) is matched with the second clutch transmission mechanism (602) through the transmission shaft penetrating through the third mounting plate (103).

6. The motorized isolation mechanism of claim 5, wherein: The third mounting plate (103) is provided with a third through hole for the ground driving motor (601) to penetrate through and matched with the ground driving motor (601), the ground driving motor (601) penetrates through and is limited in the third through hole, and the tail end of the ground driving motor (601) is arranged close to or close to the fourth mounting plate (104).

7. The motorized isolation mechanism of claim 6, wherein: The energy storage mechanism (7) is arranged between the isolation operation shaft (3) and the ground operation shaft (4).

8. The motorized isolation mechanism of any of claims 1-7, wherein: The energy storage mechanism (7) comprises a first transmission arm (701) connected to the isolation operation shaft (3) and rotating synchronously with the isolation operation shaft (3), a first spring arm (702) hinged to the first transmission arm (701), a second transmission arm (703) connected to the ground operation shaft (4) and rotating synchronously with the ground operation shaft (4), a second spring arm (704) hinged to the second transmission arm (703), and an energy storage spring (705), the first spring arm (702) and the second spring arm (704) are matched with each other, and the energy storage spring (705) is sleeved outside the first spring arm (702) and the second spring arm (704), the first spring arm (702) and the second spring arm (704) are respectively provided with a first abutting step (706) and a second abutting step (707) abutting matched with both ends of the energy storage spring (705).

9. The motorized isolation mechanism of claim 8, wherein: The first spring arm (702) is provided with two, the second spring arm (704) is provided with two, and the two first spring arms (702) are located on the outside of the two second spring arms (704).

10. The motorized isolation mechanism of claim 9, wherein: ​

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