CN215644290U

CN215644290U - CTB type spring operating mechanism

Info

Publication number: CN215644290U
Application number: CN202121927542.5U
Authority: CN
Inventors: 陈炜
Original assignee: Yantai Weichang Electric Technology Co ltd
Current assignee: Yantai Weichang Electric Technology Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-01-25
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a CTB (China railway station) type spring operating mechanism which comprises a support, wherein a brake separating coil is arranged on one side of the bottom of the support, two fixed blocks are symmetrically arranged on one side of the brake separating coil, mounting grooves are formed in one sides of the two fixed blocks, a fixed plate is arranged between the two fixed blocks, a cavity is formed in the middle of the fixed plate, a threaded groove is formed in one side of the middle of the cavity, a placing groove is formed in the other side of the middle of the cavity, an extrusion block is arranged in the middle of the cavity in a sliding mode, a threaded rod is connected to the middle of the extrusion block in a threaded mode, a round block is fixedly connected to one end of the threaded rod, the other end of the threaded rod is connected with the inner portion of the threaded groove in a threaded mode, two ejector blocks are sequentially connected to the top and the bottom of the cavity in a sliding mode, clamping rods are fixedly connected to one sides of the two ejector blocks, and springs are sleeved on the outer surfaces of the two clamping rods. Through setting up coupling mechanism, the person of facilitating the use installs fast or dismantles the separating brake coil to the person of facilitating the use overhauls or changes it.

Description

CTB type spring operating mechanism

Technical Field

The utility model relates to the technical field of spring operating mechanisms, in particular to a CTB type spring operating mechanism.

Background

The CTB type spring operating mechanism can be used for operating a ZW32-12 type outdoor high-voltage vacuum circuit breaker (designed by Beijing electric academy of sciences) and other outdoor or indoor vacuum circuit breakers with equivalent switching-on power, and the performance of the CTB type spring operating mechanism meets the requirements of GB1984 'alternating current high-voltage circuit breaker' and the product 'technical condition'; the manual operating mechanism has the functions of manual energy storage, manual on-off and overcurrent protection. The electric operating mechanism has the functions of electric motor or manual energy storage, electromagnetic or manual on-off and overcurrent protection. The controller configured for overcurrent protection has inrush current, delay and quick-break protection functions.

The conventional CTB type spring operating mechanism generally comprises an energy storage motor, an overrunning clutch, a rectifying block, a closing coil, a travel switch, a closing tripping plate, a main gear, an opening coil and other electronic elements, wherein the conventional opening coil is directly fixed on a support through a bolt, and the conventional opening coil is inconvenient to overhaul or replace in the later period, so that the CTB type spring operating mechanism is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the CTB type spring operating mechanism, and a connecting mechanism is arranged, so that a user can conveniently and rapidly install or disassemble the opening coil, and the user can conveniently overhaul or replace the opening coil.

In order to solve the technical problems, the utility model provides the following technical scheme: the CTB type spring operating mechanism comprises a support, wherein a brake separating coil is arranged on one side of the bottom of the support, two fixed blocks are symmetrically arranged on one side of the brake separating coil, one side of each fixed block is provided with a mounting groove, a fixed plate is arranged between the two fixed blocks, a cavity is arranged in the middle of the fixed plate, a thread groove is formed in one side of the middle of the cavity, a placing groove is formed in the other side of the middle of the cavity, an extrusion block is arranged in the middle of the cavity in a sliding mode, a threaded rod is connected to the middle of the extrusion block in a threaded mode, a round block is fixedly connected to one end of the threaded rod, the other end of the threaded rod is connected with the inner thread of the thread groove in a threaded mode, two ejector blocks are sequentially connected to the top and the bottom of the cavity in a sliding mode, clamping rods are fixedly connected to one sides of the two ejector blocks, and springs are sleeved on the outer surfaces of the two clamping rods, two the one end of kelly respectively with the inside joint of two mounting grooves, the fixed plate passes through fixing bolt and support fixed connection.

As a preferable technical scheme of the utility model, rubber pads are arranged at the top and the bottom of the fixing plate, and the two rubber pads are composed of two straight line segments and two arc line segments respectively connected with one ends of the two straight line segments.

As a preferable technical scheme of the utility model, the extrusion block is composed of a movable block and two pushing blocks fixedly connected with the top and the bottom of the movable block respectively, and one sides of the two pushing blocks are both provided with a slope shape.

As a preferred technical scheme of the utility model, threaded holes are formed in four corners of the fixing plate, the number of the fixing bolts is four, and the four fixing bolts respectively penetrate through four mounting holes preset in the bracket to be in threaded connection with the insides of the four threaded holes.

As a preferable technical scheme of the utility model, the outer surface of the round block is provided with anti-skid grains.

As a preferable technical scheme of the utility model, the outer diameter sizes of the two clamping rods are respectively matched with the inner diameter sizes of the two mounting grooves.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. the round block is rotated to drive the threaded rod to rotate until the threaded rod is separated from the threaded groove, then the round block is pulled outwards to drive the extrusion block to move until the extrusion block is positioned in the placing groove, the spring resets at the moment to drive the top block to move towards the center of the cavity until the clamping rod is separated from the mounting groove, then the opening coil is moved forwards to separate the fixed block from the fixed plate, the opening coil is disassembled at the moment, and the opening coil can be overhauled or replaced, so that a user can conveniently and quickly install or disassemble the opening coil, and the opening coil is convenient to overhaul or replace;

2. when the fixed block is clamped with the fixed plate side in a sliding mode, the fixed block can slide to the straight line segment along the arc line segment, the rubber pad is extruded, and therefore the two fixed blocks and the fixed plate are enabled to be more compact, the phenomenon that the later-stage brake separating coil is unstable during working is avoided.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic view of the connection between the fixing plate and the fixing block according to the present invention;

FIG. 4 is a schematic diagram of a fixing plate structure according to the present invention;

wherein: 1. a support; 2. a brake separating coil; 3. a fixed block; 4. mounting grooves; 5. a fixing plate; 6. a chamber; 7. extruding the block; 8. a threaded rod; 9. a round block; 10. a placement groove; 11. a top block; 12. a clamping rod; 13. a spring; 14. a rubber pad; 15. a movable block; 16. a pushing block; 17. a threaded hole; 18. a straight line segment; 19. an arc segment; 20. fixing the bolt; 21. a thread groove.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, the CTB type spring operating mechanism includes a bracket 1, a separating brake coil 2 is disposed on one side of the bottom of the bracket 1, two fixing blocks 3 are symmetrically disposed on one side of the separating brake coil 2, a mounting groove 4 is disposed on each of the two fixing blocks 3, a fixing plate 5 is disposed between the two fixing blocks 3, a cavity 6 is disposed in the middle of the fixing plate 5, a threaded groove 21 is disposed on one side of the middle of the cavity 6, a placing groove 10 is disposed on the other side of the middle of the cavity 6, an extrusion block 7 is slidably disposed in the middle of the cavity 6, a threaded rod 8 is threadedly connected to the middle of the extrusion block 7, a round block 9 is fixedly connected to one end of the threaded rod 8, the other end of the threaded rod 8 is threadedly connected to the inside of the threaded groove 21, two top blocks 11 are slidably connected to the top and the bottom of the cavity 6 in sequence, a clamping rod 12 is fixedly connected to one side of the two top blocks 11, and a spring 13 is sleeved on the outer surface of the two clamping rods 12, one ends of the two clamping rods 12 are respectively clamped with the insides of the two mounting grooves 4, and the fixing plate 5 is fixedly connected with the bracket 1 through a fixing bolt 20;

after the fixed plate 5 is connected with the bracket 1 through the fixed bolt 20, when the opening coil 2 needs to be overhauled or replaced, the round block 9 can be rotated, the round block 9 drives the threaded rod 8 to rotate until the threaded rod 8 is separated from the threaded groove 21, then the round block 9 is pulled outwards, the threaded rod 8 drives the extrusion block 7 to move, the extrusion block 7 moves along the through hole formed in one side of the placing groove 10 until the extrusion block 7 is positioned in the placing groove 10 and does not extrude the top block 11 any more, at the moment, the spring 13 resets, the top block 11 is driven to move towards the center of the cavity 6 until the clamping rod 12 is separated from the mounting groove 4, then the opening coil 2 is moved forwards, the fixed block 3 is separated from the fixed plate 5, at the moment, the disassembly is completed, the opening coil 2 can be overhauled or replaced, during the installation, the fixed block 3 is clamped in a sliding manner from the front side to the rear side against the fixed plate 5, and then the round block 9 is pushed inwards, make extrusion piece 7 promote kicking block 11 and remove for card pole 12 and mounting groove 4 block, rotatory circle piece 9 afterwards, make threaded rod 8 and thread groove 21 twist close can, this design person of facilitating the use installs fast or dismantles separating brake coil 2, thereby is convenient for overhaul or change it.

In other embodiments, rubber pads 14 are arranged at the top and the bottom of the fixing plate 5, and the two rubber pads 14 are composed of two straight line segments 18 and two arc line segments 19 respectively connected with one ends of the two straight line segments 18;

when inclining the fixed block 3 with fixed plate 5 and sliding the joint, can slide straightway 18 along arc 19 with fixed block 3 earlier, realize the extrusion to rubber pad 14 to make between two fixed blocks 3 and the fixed plate 5 inseparabler, avoid producing too big installation gap, lead to later stage separating brake coil 2 during operation to produce unstable phenomenon.

In other embodiments, the squeezing block 7 is composed of a movable block 15 and two pushing blocks 16 fixedly connected with the top and the bottom of the movable block 15 respectively, and one side of each of the two pushing blocks 16 is provided with a slope shape;

when the extrusion block 7 moves horizontally, the movable block 15 drives the pushing block 16 to move, so that the pushing effect of the pushing block 16 is realized, and when the pushing block 16 moves backwards, the ejector block 11 is convenient to fall.

In other embodiments, threaded holes 17 are formed in four corners of the fixing plate 5, four fixing bolts 20 are provided, and the four fixing bolts 20 respectively penetrate through four mounting holes preset in the bracket 1 and are in threaded connection with the insides of the four threaded holes 17;

the fixing plate 5 is fixed by first butting the fixing plate 5 against the bracket 1 and then connecting the fixing bolts 20 with the threaded holes 17 on the fixing plate 5 through the mounting holes.

In other embodiments, the outer surface of the round block 9 is provided with anti-skid grains;

the slipping phenomenon between the hand and the round block 9 is avoided.

In other embodiments, the outer diameter of the two clamping rods 12 is matched with the inner diameter of the two mounting grooves 4;

after the clamping rod 12 is clamped with the mounting groove 4, the phenomenon of instability after the opening coil 2 is mounted can be avoided.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

CTB type spring operating mechanism, including support (1), its characterized in that: the brake separating device is characterized in that a brake separating coil (2) is arranged on one side of the bottom of the support (1), two fixing blocks (3) are symmetrically arranged on one side of the brake separating coil (2), mounting grooves (4) are formed in one sides of the two fixing blocks (3), a fixing plate (5) is arranged between the two fixing blocks (3), a cavity (6) is formed in the middle of the fixing plate (5), a thread groove (21) is formed in one side of the middle of the cavity (6), a placing groove (10) is formed in the other side of the middle of the cavity (6), an extrusion block (7) is arranged in the middle of the cavity (6) in a sliding mode, a threaded rod (8) is connected to the middle of the extrusion block (7) in a threaded mode, a round block (9) is fixedly connected to one end of the threaded rod (8), the other end of the threaded rod (8) is connected to the inner threads of the thread groove (21), and two top blocks (11) are sequentially connected to the top and the bottom of the cavity (6) in a sliding mode, two equal fixedly connected with kelly (12) in one side of kicking block (11), two the surface of kelly (12) all overlaps and is equipped with spring (13), two the one end of kelly (12) respectively with the inside joint of two mounting grooves (4), fixed plate (5) are through fixing bolt (20) and support (1) fixed connection.
2. The CTB-type spring operating mechanism according to claim 1, wherein: rubber pads (14) are arranged at the top and the bottom of the fixing plate (5), and the two rubber pads (14) are composed of two straight line segments (18) and two arc line segments (19) respectively connected with one ends of the two straight line segments (18).
3. The CTB-type spring operating mechanism according to claim 1, wherein: the extrusion block (7) is composed of a movable block (15) and two pushing blocks (16) which are respectively fixedly connected with the top and the bottom of the movable block (15), and one sides of the two pushing blocks (16) are both in a slope shape.
4. The CTB-type spring operating mechanism according to claim 1, wherein: threaded holes (17) are formed in four corners of the fixing plate (5), the number of the fixing bolts (20) is four, and the four fixing bolts (20) penetrate through four mounting holes formed in the support (1) in advance respectively and are connected with the inner threads of the four threaded holes (17).
5. The CTB-type spring operating mechanism according to claim 1, wherein: the outer surface of the round block (9) is provided with anti-skid grains.
6. The CTB-type spring operating mechanism according to claim 1, wherein: the outer diameter sizes of the two clamping rods (12) are respectively matched with the inner diameter sizes of the two mounting grooves (4).