Power unit locking mechanism

Abstract

The utility model discloses a power unit locking mechanism, belonging to the technical field of power units, the power unit locking mechanism comprises first support columns, second support columns and a locking assembly, the bottoms of the first support columns and the second support columns are fixed on the horizontal plane, the left side is provided with two first support columns, and the right side is provided with two second support columns. Two second supporting columns are arranged on the right side, the first supporting columns and the second supporting columns are arranged in a mirror image mode, and the locking assemblies are symmetrically arranged on the outer surfaces of the first supporting columns and the second supporting columns at the rear end; a rectangular block is fixed to the middle of a fixing plate of the locking assembly, a long-strip-shaped round hole is formed in the middle of the rectangular block, the protruding end of a U-shaped block is inserted into the long-strip-shaped round hole, the other end of the U-shaped block is fixedly connected with a locking block, and a round-tongue-shaped protrusion with an inclined face is arranged on one side of the locking block. According to the utility model, rapid and automatic locking of the power unit is realized, frequent mounting and dismounting processes of the locking mechanism are avoided, and the locking efficiency and reliability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to power unit technical field, concretely relates to a locking mechanism of power unit. BACKGROUND

[0002] The static reactive compensation device is a kind of power electronic equipment for the reactive compensation of modern power system, to improve the power factor and stability of power system, and is crucial to the safe operation of power system.Power unit is the core component of static reactive compensation device, usually placed on the whole machine valve frame, supported by guide rail and column, and fixed by screw mounting baffle in front of column.

[0003] The existing power module locking device needs to be fixed by bolt and then needs to be frequently installed and disassembled, although it has the locking function of power module, but when module is replaced and maintained, it cannot realize efficient and continuous operation, thereby affecting work efficiency.In addition, with the accumulation of installation and disassembly times, the precision of locking device will be affected, resulting in the decline of locking reliability. UTILITY MODEL CONTENTS

[0004] To solve the problems in the prior art, the utility model provides a kind of quick locking mechanism of power unit, which realizes the automatic locking of power unit and avoids frequent installation and disassembly process, improves locking efficiency and reliability.

[0005] The utility model adopts the following technical solutions.

[0006] The utility model discloses a kind of power unit locking mechanism, comprising: first support column, second support column and locking assembly, the bottom of the first support column and second support column is fixed on horizontal plane, multiple first support columns and multiple second support columns are symmetrically arranged, locking assembly is symmetrically arranged on the outer surface of the first support column and the second support column in rear part;

[0007] The locking assembly includes: fixed plate, rectangular block is fixed in the middle of fixed plate, long strip-shaped circular hole is equipped in rectangular block, U-shaped block convex one end is inserted into long strip-shaped circular hole, U-shaped block other end and locking block are fixedly connected, locking block one side is provided with circular tongue-shaped protrusion with inclined surface.

[0008] Preferably, the first support column and the first support rail are fixedly connected, the second support column and the second support rail are fixedly connected, and the locked power module is arranged between the first support rail and the second support rail.

[0009] Preferably, the first supporting guide rail and the second supporting guide rail are provided with U-shaped bending at one end, and the power module to be locked is provided with long slot-shaped openings at two ends of one side, and the U-shaped bending is inserted into the long slot-shaped openings of the power module to be locked.

[0010] Preferably, the locking assembly further comprises a fixing circular hole, the fixing plate is attached to the supporting column at one side, and the upper and lower ends of the one side of the fixing plate are provided with the fixing circular hole, and the bolt is inserted through the fixing circular hole to fix the locking assembly on the supporting column.

[0011] Preferably, the one side of the fixing plate is fixed with two L-shaped blocks, and a gap is left in the middle of the two L-shaped blocks, and the locking buckle rod is arranged in the gap.

[0012] Preferably, the one side of the L-shaped block is provided with a circular hole one, the locking buckle rod is provided with a circular hole two at a position corresponding to the circular hole one of the L-shaped block, the pin shaft is inserted into the circular hole one and the circular hole two to fix one end of the locking buckle rod between the L-shaped blocks, and the locking buckle rod and the L-shaped block are screwed.

[0013] Preferably, the one end of the locking buckle rod is provided with a hook, and the outer surface of the pin shaft is sleeved with a torsion spring.

[0014] Preferably, the two ends of the one side of the locking block are fixedly connected with the connecting rod, the two ends of the rectangular block are provided with through holes, and one end of the connecting rod is movably connected with the through hole.

[0015] Preferably, the connecting rod is sleeved with a spring, one end of the spring is connected with the locking block, and the other end of the spring is connected with the rectangular block.

[0016] Preferably, the two ends of the one side of the fixing plate are fixedly connected with limiting blocks, a space is left in the middle of the limiting blocks, and the tongue-shaped protrusion passes through the limiting blocks.

[0017] The utility model discloses the beneficial effect lies in, compared with the prior art, the utility model discloses the long slot-shaped opening and U-shaped bending are fixed to the one side of the power module to be locked, and the tongue-shaped protrusion on the locking assembly is positioned to the other side of the power module to be locked, realizes the quick automatic locking of the power module to be locked, makes the power module to be locked through the removal, improves the locking efficiency, and through the movement of the locking block, until the hook of the U-shaped block is lifted up, finally the locking buckle rod hooks the U-shaped block, fixes the locking assembly, makes the power module to be locked along the direction of the supporting guide rail and draws out, that is, the removal of the power module to be locked is completed.

[0018] The utility model avoids the complicated and frequent installation and removal of the traditional locking mode, improves the reliability and stability of the locking, and improves the locking efficiency. DRAWINGS

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

[0020] Figure 2 is the front view of the utility model;

[0021] Figure 3 is the structural schematic view of the first supporting guide rail;

[0022] Figure 4 is the structural schematic view of the second supporting guide rail;

[0023] Figure 5 is the structural schematic view of the locking assembly;

[0024] Figure 6 is the plan view of the locking assembly;

[0025] In the drawing: 11, first supporting stand; 12, second supporting stand; 2, first supporting guide rail; 3, locked power module; 4, locking assembly; 5, second supporting guide rail; 6, mounting round hole; 7, U-shaped bending; 401, fixed plate; 402, pin shaft; 403, locking buckle rod; 404, torsional spring; 405, spring; 406, locking block; 407, fixed round hole; 408, L-shaped block; 409, rectangular block; 410, through hole; 411, U-shaped block; 412, limiting block; 413, round tongue-shaped protrusion; 414, connecting rod; 415, long strip round hole; 416, hook fence. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described clearly and completely below by combining with the drawings in the embodiment of the utility model. The embodiment described in the application is only a part of the embodiment of the utility model, not all the embodiments. Based on the spirit of the utility model, other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0027] As Figure 1 and Figure 2As shown, this utility model provides a power unit locking mechanism. The device includes: a first support column 11, a second support column 12, a first support rail 2, a locked power module 3, a locking component 4, and a second support rail 5. The first support column 11 and the second support column 12 are both made of insulating material. The bottoms of the first support column 11 and the second support column 12 are both vertically fixed to a horizontal plane. Two first support columns 11 are symmetrically arranged front and back on the left side, and two second support columns 12 are symmetrically arranged front and back on the right side. The first support columns 11 and the second support columns 12 are mirror images of each other. The two first support columns 11 are fixed to the first support rail 2 on the side facing the center, and the two second support columns 12 are fixed to the second support rail 5 on the side facing the center. The locked power module 3 is arranged between the first support rail 2 and the second support rail 5. Mounting holes are provided on the rear first support column 11 and the second support column 12. All mounting holes are on the same horizontal plane. The locking component 4 is fixed to the support column through the mounting holes.

[0028] like Figure 1 , Figure 3 and Figure 4 As shown, both the first support rail 2 and the second support rail 5 are long L-shaped and are symmetrically arranged on the support column. Multiple mounting holes 6 are provided at both ends of one side of each support rail. The two support rails are fixed to the support column through the mounting holes 6 at both ends. At the same time, the inner sides of the first support rail 2 and the second support rail 5 are connected to the locked power module 3. The support rails are used to support the locked power module 3.

[0029] Both the first support rail 2 and the second support rail 5 have a U-shaped bend 7 at one bottom end. Both ends of the bottom of the locked power module 3 have elongated slot-shaped openings. The elongated slot-shaped openings and the U-shaped bend 7 are matched in shape and size. The U-shaped bend 7 is inserted into the elongated slot-shaped opening of the locked power module 3 to limit and fix the locked power module 3, improve the stability of the connection, and facilitate the locking assembly 4 to further lock and fix the locked power module 3.

[0030] like Figure 1 , Figure 2 and Figure 3As shown, the locking assembly 4 is symmetrically arranged on the first support column 11 and the second support column 12 at the rear end, and the locking assembly 4 comprises a fixed plate 401, a pin shaft 402, a locking buckle 403, a torsion spring 404, a spring 405, a locking block 406 and a fixed circular hole 407. The fixed plate 401 is arranged on the outer surface of the first support column 11 and the second support column 12 at the rear end, and one side of the fixed plate 401 is attached to the support column. The upper and lower ends of the other side of the two fixed plates 401 are provided with fixed circular holes 407, which are adaptively matched with the mounting holes on the support column. Then, the locking assembly 4 is fixed on the support column by passing the bolts through the fixed circular holes 407 and the mounting holes.

[0031] As shown in Figure 5 and Figure 6 As shown, two L-shaped blocks 408 are symmetrically fixed on the left side of the fixed plate 401, and a gap is left in the middle of the two L-shaped blocks 408. The locking buckle 403 is arranged in the gap, and a circular hole one is opened on the left side of the L-shaped block 408. A circular hole two is arranged on the left side of the locking buckle 403 corresponding to the position of the circular hole one of the L-shaped block 408. The pin shaft 402 is inserted into the circular hole one and the circular hole two to fix one end of the locking buckle 403 between the L-shaped blocks 408. The locking buckle 403 and the L-shaped block 408 are screwed together, and the right end of the locking buckle 403 is provided with a hook 416. The torsion spring 404 is sleeved on the outer surface of the pin shaft 402, one end of the torsion spring 404 is connected with the locking buckle 403, and the other end is connected with the pin shaft 402. The initial position of the locking buckle 403 is fixed by the elastic force of the torsion spring 404, and the locking buckle 403 can automatically fall back to the initial position when it is lifted, so that the locking block 406 can be reset.

[0032] Preferably, the front end of the pin shaft 402 is provided with a baffle.

[0033] The middle part of the fixed plate 401 is fixed with a rectangular block 409, and the two ends of the rectangular block 409 are provided with through holes 410 which are through left and right. The through holes 410 are provided with a long strip-shaped circular hole 415 which is through left and right, and the long strip-shaped circular hole 415 is adaptively matched with one end of the U-shaped block 411. The protruding end of the U-shaped block 411 is inserted into the long strip-shaped circular hole 415, and the other end of the U-shaped block 411 is fixedly connected with the locking block 406. Thus, the displacement of the locking block 406 perpendicular to the fixed plate 401 is limited, so that the locking block 406 is always attached to the fixed plate 401, and the movement of the locking block 406 left and right along the opening direction of the long strip-shaped circular hole 415 is more stable.

[0034] The left ends of the locking blocks 406 are fixed to the left ends of the connecting rods 414, the connecting rods 414 are sleeved with springs 405, one end of the spring 405 is connected to the locking block 406 and the other end is connected to the rectangular block 409, the left end of the connecting rod 414 is movably connected to the through hole 410, and the cooperation of the connecting rod 414 and the spring 405 provides power source for the left and right movement and return of the locking block 406.

[0035] The right ends of the fixing plates 401 are fixed with limiting blocks 412, the limiting blocks 412 are used to limit the initial position of the locking blocks 406, avoid the locking blocks 406 moving out of the fixing plates 401, the right side of the locking block 406 is provided with a circular tongue-shaped protrusion 413 with an inclined surface, and a certain space is left between the two limiting blocks 412, so that the circular tongue-shaped protrusion 413 can pass between the limiting blocks 412, the circular tongue-shaped protrusion 413 is used to abut against the outer surface of the locked power module 3, and the locked power module 3 is limited and constrained, the limiting blocks 412 can further limit the movement of the locking blocks 406 in the front and back directions, so as to realize the locking function, the limiting blocks 412 and the rectangular block 409 limit the maximum distance of the left and right movement of the locking blocks 406, avoid the locking blocks 406 moving out of the fixing plates 401, and the distance of the circular tongue-shaped protrusion 413 extending can just abut against the locked power module 3, so as to realize the locking and positioning.

[0036] The working principle and working process of the device are as follows: the first supporting guide rail 2 and the second supporting guide rail 5 are symmetrically installed on the first supporting column 11 and the second supporting column 12, and the U-shaped bending 7 on the first supporting guide rail 2 and the second supporting guide rail 5 are arranged on the front side; the locking assembly 4 is symmetrically installed on the first supporting column 11 and the second supporting column 12 on the rear side; when the locking assembly 4 is in the initial state, the U-shaped block 411 is not in contact with the locking buckle rod 403; the locked power module 3 is pushed along the two side supporting guide rails from the rear end of the supporting guide rail to the front; at this time, the circular tongue-shaped protrusion 413 on the locking block 406 is extruded by the locked power module 3 and moves outward; the slope of the circular tongue-shaped protrusion 413 facilitates the smooth entry of the locked power module 3 into the supporting guide rail; the locking block 406 moves along the opening direction of the long strip-shaped circular hole 415, but the U-shaped block 411 is not in contact with the hook 416 of the locking buckle rod 403; the locked power module 3 is continuously pushed until the U-shaped bending 7 at the front end of the first supporting guide rail 2 and the second supporting guide rail 5 is inserted into the long strip-shaped slot opening on the locked power module 3, and the front side locking positioning of the locked power module 3 is completed; at this time, the locked power module 3 is not in contact with the locking assembly 4; the two side locking blocks 406 automatically pop out under the elastic force of the spring 405; the circular tongue-shaped protrusion 413 blocks the rear side outer surface of the locked power module 3, and the locking and fixing of the locked power module 3 are completed; when the locked power module 3 needs to be removed, the two side locking blocks 406 are pressed to move the locking block 406 along the opening direction of the long strip-shaped circular hole 415 until the protruding end of the U-shaped block 411 is in contact with the hook 416 of the locking buckle rod 403 and lifts up the hook 416; with the continuous movement of the locking block 406, finally the protruding end of the U-shaped block 411 exceeds the position of the hook 416 of the locking buckle rod 403; the locking buckle rod 403 is reset under the elastic force of the torsional spring 404; the hook 416 on the locking buckle rod 403 falls and hooks the U-shaped block 411 to fix the locking assembly 4; at this time, the circular tongue-shaped protrusion 413 does not protrude from the end surface of the fixed plate 401; then the locked power module 3 is pulled out along the supporting guide rail direction, and the removal of the locked power module 3 is completed.

[0037] The utility model has the advantages that, compared with the prior art, the utility model fixes one side of the locked power module through the long strip-shaped slot opening and the U-shaped bending, and the circular tongue-shaped protrusion on the locking assembly limits and restricts the other side of the locked power module, realizes the quick and automatic locking of the locked power module, and makes the locked power module be locked by moving, thereby improving the locking efficiency; and through the movement of the locking block, the protruding end of the U-shaped block lifts up the hook, the locking buckle rod hooks the U-shaped block, the locking assembly is fixed, the locked power module is pulled out along the supporting guide rail direction, and the removal of the locked power module is completed.

[0038] The utility model avoids the traditional locking mode's complicated and frequent installation and dismounting, improves the reliability and stability of locking, improves the locking efficiency.

[0039] In the description of the utility model, it is to be understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0040] In the utility model, unless another explicit provision and limitation, the first feature is "on" or "under" the second feature, and the first and second features can be directly contacted or indirectly contacted through intermediate medium.In the description of the specification, the description of the reference terms "one scheme", "some schemes", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the utility model.The above terms in the specification are not necessarily for the same scheme or example.Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more schemes or examples in a suitable manner.

[0041] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the utility model and not to limit them, although the utility model has been described in detail with reference to the above examples, those skilled in the art should understand that: the specific embodiments of the utility model can still be modified or replaced, and any modification or equivalent replacement without departing from the spirit and scope of the utility model should be covered in the protection scope of the claims of the utility model.

Claims

1. A power unit locking mechanism comprising: The first support column (11), the second support column (12) and the locking assembly (4) are characterized in that: The first support column (11) and the second support column (12) are fixed to the horizontal plane, a plurality of first support columns (11) and a plurality of second support columns (12) are symmetrically arranged, and the locking assembly (4) is symmetrically arranged on the outer surface of the first support column (11) and the second support column (12) at the rear; The locking assembly (4) comprises a fixed plate (401), a rectangular block (409) is fixed in the middle of the fixed plate (401), a long strip-shaped circular hole (415) is arranged in the middle of the rectangular block (409), a U-shaped block (411) is inserted into the long strip-shaped circular hole (415), the other end of the U-shaped block (411) is fixedly connected with a locking block (406), and a circular tongue-shaped protrusion (413) with an inclined surface is arranged on one side of the locking block (406).

2. The power unit locking mechanism according to claim 1, characterized in that: The first support column (11) is fixedly connected with the first support rail (2), the second support column (12) is fixedly connected with the second support rail (5), and the locked power module (3) is arranged between the first support rail (2) and the second support rail (5).

3. The power unit locking mechanism according to claim 2, characterized in that: One end of the first support rail (2) and the second support rail (5) is provided with a U-shaped bend (7), and the locked power module (3) is provided with long slot-shaped openings at two ends on one side, and the U-shaped bend (7) is inserted into the long slot-shaped openings of the locked power module (3).

4. The power unit locking mechanism according to claim 1, characterized in that: The locking assembly (4) further comprises a fixed circular hole (407), the side of the fixed plate (401) is attached to the support column, and the upper and lower ends of the side of the fixed plate (401) are provided with the fixed circular hole (407), and a bolt passes through the fixed circular hole (407) to fix the locking assembly (4) on the support column.

5. The power unit locking mechanism according to claim 1, characterized in that: Two L-shaped blocks (408) are fixed on one side of the fixed plate (401), and gaps are left in the middle of the two L-shaped blocks (408), and a locking buckle rod (403) is arranged in the gaps.

6. The power unit locking mechanism according to claim 5, characterized in that: A circular hole one is opened on one side of the L-shaped block (408), a circular hole two is arranged on the side of the locking buckle rod (403) corresponding to the position of the circular hole one of the L-shaped block (408), a pin shaft (402) is inserted into the circular hole one and the circular hole two to fix one end of the locking buckle rod (403) between the L-shaped blocks (408), and the locking buckle rod (403) and the L-shaped blocks (408) are screwed.

7. The power unit locking mechanism according to claim 6, characterized in that: A hook (416) is arranged at one end of the locking buckle rod (403), and a torsional spring (404) is sleeved on the outer surface of the pin shaft (402).

8. The power unit locking mechanism according to claim 1, characterized in that: The locking block (406) is fixed at both ends of one side and the connecting rod (414), and the rectangular block (409) is provided with a through hole (410) at both ends. The connecting rod (414) is movably connected to one end of the through hole (410).

9. The power unit locking mechanism according to claim 8, characterized in that: The spring (405) is sleeved on the connecting rod (414), one end of the spring (405) is connected to the locking block (406), and the other end is connected to the rectangular block (409).

10. The power unit locking mechanism according to claim 1, characterized in that: The fixed plate (401) is fixed with a limiting block (412) at both ends of one side, and the limiting block (412) is spaced in the middle, and the round tongue-shaped protrusion (413) passes through between the limiting blocks (412).

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