CN219562163U

CN219562163U - Centering fixture for transformer height-adjusting seat

Info

Publication number: CN219562163U
Application number: CN202320166049.9U
Authority: CN
Inventors: 罗弘丰; 李海云; 孙芹; 王丹; 郭欣欣
Original assignee: Weihai Mingfeng Electronics Co ltd
Current assignee: Weihai Mingfeng Electronics Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-08-22
Anticipated expiration: 2033-02-09

Abstract

The utility model discloses a centering fixture of a transformer heightening seat, which comprises: a frame; the adjusting mechanism is arranged on the frame body; the transmission assembly is provided with two groups, and the adjusting mechanism is connected with the transmission assembly; two clamping plates are arranged, each clamping plate is U-shaped, and each group of transmission components is connected with one clamping plate; the centering fixture of the transformer heightening seat is characterized in that the adjusting mechanism drives the transmission assembly to move so that the two clamping plates are close to each other to move, the transformer heightening seat is clamped and fixed, the heightening seat is placed between the two clamping plates, the transmission assembly is driven to move through the adjusting mechanism, the transmission assembly drives the two clamping plates to move close to each other, the quick clamping and fixing of the transformer heightening seat is completed, and rolling and moving of the transformer heightening seat during being fixed are avoided through the U-shaped clamping plates, so that the size precision of the heightening seat and the machining quality of the finish of the flange sealing surface are affected.

Description

Centering fixture for transformer height-adjusting seat

Technical Field

The utility model relates to the technical field of transformer heightening seat processing equipment, in particular to a centering fixture for a transformer heightening seat.

Background

The transformer heightening seat is an important component part of the transformer, along with the continuous improvement of the manufacturing quality of the transformer, the requirements on the size precision of the transformer heightening seat and the finish of the flange sealing surface are more and more strict, and the post-welding machining of the heightening seat becomes one of the methods for improving the size precision of the heightening seat and the finish of the flange sealing surface.

However, most of the transformer lifting seats are cylindrical, and when flanges at two ends of the lifting seat are machined, the lifting seat is difficult to quickly and stably fix on a machine tool and is easy to roll and move in a stringing manner, so that the size precision of the lifting seat and the machining quality of the finish degree of a sealing surface of the flange are affected.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the centering fixture of the transformer heightening seat, which is convenient for quickly and stably fixing the transformer heightening seat.

In order to solve the technical problems, the utility model provides the following technical scheme: a centering fixture for a transformer height adjustment stand, comprising:

a frame;

the adjusting mechanism is arranged on the frame body;

the transmission assembly is provided with two groups, and the adjusting mechanism is connected with the transmission assembly;

two clamping plates are arranged, each clamping plate is U-shaped, and each group of transmission components is connected with one clamping plate;

the adjusting mechanism drives the transmission assembly to move so that the two clamping plates move close to each other, and the transformer height adjusting seat is clamped and fixed.

Preferably, the adjusting mechanism comprises a power piece and a transmission piece, and an output shaft of the power piece is fixedly connected with the transmission piece.

Preferably, the power piece is a motor, and the motor is fixedly arranged at the center of one side of the outer surface of the frame body.

Preferably, the transmission piece comprises a worm wheel, a worm and a supporting rod, wherein both sides of the inner wall of the frame body are respectively connected with the supporting rod through bearings in a rotating mode, the worm wheel is fixedly connected to the supporting rod, an output shaft of the motor is fixedly connected with the worm, and the worm is meshed with the worm wheel.

Preferably, the transmission assembly comprises two hollow seats, a connecting plate, a limiting rod and a limiting plate, wherein the limiting plate and the connecting plate are positioned on the same side, the limiting plate is parallel to the connecting plate, the limiting rods are fixedly connected to two sides inside the frame body, the limiting rods and the supporting rods are fixedly connected to the inside of the hollow seats, one end of the connecting plate is fixedly connected with a worm wheel, one end of the connecting plate is rotationally connected with the supporting rod positioned in the hollow seat, and two ends of the limiting plate are rotationally connected with the limiting rods positioned in the hollow seat and the limiting rods positioned in the frame body respectively.

Preferably, the power piece can also be an air cylinder, a support frame is arranged on one side of the outer surface of the frame body, and the air cylinder is arranged on the support frame.

Preferably, the driving medium includes bracing piece, fly leaf, rack and gear, the support bar is all rotated through the bearing to framework inner wall both sides, fixed connection gear on the bracing piece, the output fixed connection fly leaf of cylinder, the fly leaf both sides all are equipped with a plurality of racks, rack and gear engagement.

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

according to the utility model, the heightening seat is arranged between the two clamping plates, the transmission assembly is driven to move by the adjustment mechanism, and the transmission assembly drives the two clamping plates to move close to each other, so that the rapid clamping and fixing of the heightening seat of the transformer are completed, and the rolling and the moving of the heightening seat of the transformer when being fixed are avoided by the U-shaped clamping plates, so that the size precision of the heightening seat and the machining quality of the finish of the sealing surface of the flange are influenced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1 according to the present utility model;

FIG. 3 is a schematic view of an adjusting mechanism in a third embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of FIG. 3 according to the present utility model;

wherein: 1. a frame; 2. an adjusting mechanism; 201. a motor; 202. a worm; 203. a worm wheel; 204. a support rod; 205. a support frame; 206. a cylinder; 207. a movable plate; 208. a rack; 209. a gear; 3. a transmission assembly; 301. a hollow seat; 302. a connecting plate; 303. a limit rod; 304. a limiting plate; 4. and (3) clamping plates.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

embodiment one:

as shown in fig. 1 to 4, the present utility model provides a centering fixture for a transformer height-adjusting seat, comprising: the device comprises a frame body 1, two adjusting mechanisms 2, a transmission assembly 3 and clamping plates 4, wherein the frame body 1 is in a U shape which is vertical to the side, the frame body 1 is placed on a processing table, the adjusting mechanisms 2 are arranged on the frame body 1, the transmission assemblies 3 are arranged in two groups, the two adjusting mechanisms 2 are connected with the transmission assembly 3, the clamping plates 4 are preferably U-shaped, the clamping and fixing effects of the clamping plates on the heightening seat are better relative to a flat plate, each group of the transmission assembly 3 is connected with one clamping plate 4, the clamping plates 4 are not contacted with the processing table, and the heightening seat is not contacted with the processing table when the clamping plates 4 clamp and fix the heightening seat, so that two ends of the heightening seat are processed;

when the transformer height-adjusting seat is used, the height-adjusting seat is placed between the two clamping plates 4, the adjusting mechanism 2 is adjusted to drive the transmission assembly 3 to move, the transmission assembly 3 drives the two clamping plates 4 to move close to each other, the transformer height-adjusting seat is clamped and fixed rapidly, rolling and moving of the transformer height-adjusting seat when fixed is avoided through the U-shaped clamping plates 4, and therefore the size precision of the height-adjusting seat and the machining quality of the finish of the flange sealing surface are affected.

Embodiment two:

as shown in fig. 1 and 2, the embodiment further discloses that the adjusting mechanism 2 includes a power part and a transmission part, the output shaft of the power part is fixedly connected with the transmission part, the power part is a motor 201, a central position of one side of the outer surface of the frame 1 is fixedly provided with the motor 201, the transmission part includes a worm wheel 203, a worm 202 and a supporting rod 204, both sides of the inner wall of the frame 1 are rotationally connected with the supporting rod 204 through bearings, the worm wheel 203 is fixedly connected with the supporting rod 204, the output shaft of the motor 201 is fixedly connected with the worm 202, the worm 202 is meshed with the worm wheel 203, the transmission assembly 3 includes two hollow seats 301, a connecting plate 302, a limiting rod 303 and a limiting plate 304, the hollow seats 301 are slidably arranged on a processing table, the limiting plates 304 positioned on the same side are parallel to the connecting plate 302, both sides of the inside of the frame 1 are fixedly connected with the limiting rod 303, the two supporting rods 204 are positioned on the inner sides of the two hollow seats 301, one end of the connecting plate 302 is fixedly connected with the supporting rod 204, one end of the connecting plate 302 is rotationally connected with the supporting rod 204 positioned in the hollow seat 301, both ends of the limiting rod 304 are respectively rotationally connected with the limiting rod 303 positioned in the hollow seat 301, and the limiting rod 303 positioned in the frame 1.

The specific adjusting mechanism 2 drives the transmission component 3 to move, and the transmission component 3 drives the two clamping plates 4 to approach to each other to move the principle: through the motor 201, the worm 202 is driven to rotate, the worm 202 drives the two worm gears 203 to rotate, the worm gears 203 drive the supporting rods 204 and the two connecting plates 302 to rotate, and the two connecting plates 302 drive the hollow seats 301 to move close to each other under the action of the limiting rods 303 and the limiting plates 304, so that the two hollow seats 301 drive the two clamping plates 4 to move close to each other.

Embodiment III:

as shown in fig. 3 and fig. 4, on the basis of the second embodiment, the present embodiment further discloses that the power component may be an air cylinder 206, one side of the outer surface of the frame body 1 is provided with a supporting frame 205, the supporting frame 205 is provided with the air cylinder 206, the transmission component includes a supporting rod 204, a movable plate 207, a rack 208 and a gear 209, both sides of the inner wall of the frame body 1 are rotationally connected with the supporting rod 204 through bearings, the gear 209 is fixedly connected on the supporting rod 204, the output end of the air cylinder 206 is fixedly connected with the movable plate 207, both sides of the movable plate 207 are provided with a plurality of racks 208, and the racks 208 are meshed with the gear 209.

By driving the cylinder 206 to extend, the cylinder 206 drives the movable plate 207 to move, the movable plate 207 drives the rack 208 to move, the rack 208 drives the two gears 209 to rotate, the two gears 209 drive the support rod 204 and the two connecting plates 302 to rotate, and the two connecting plates 302 drive the hollow seat 301 to move close to each other under the action of the limiting rod 303 and the limiting plate 304, so that the purpose of moving the two clamping plates 4 close to each other in the second embodiment is achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A centering fixture for a transformer height adjustment base, comprising:

a frame (1);

the adjusting mechanism (2) is arranged on the frame body (1);

the transmission assembly (3), the transmission assembly (3) is provided with two groups, and the adjusting mechanism (2) is connected with the transmission assembly (3);

the clamping plates (4) are two, are U-shaped, and each group of transmission components (3) is connected with one clamping plate (4);

the adjusting mechanism (2) drives the transmission assembly (3) to move so that the two clamping plates (4) move close to each other, and the transformer height adjusting seat is clamped and fixed.

2. The centering fixture of a transformer height adjustment base of claim 1, wherein: the adjusting mechanism (2) comprises a power piece and a transmission piece, and an output shaft of the power piece is fixedly connected with the transmission piece.

3. The centering fixture of a transformer height adjustment base of claim 2, wherein: the power piece is a motor (201), and the motor (201) is fixedly installed at the center of one side of the outer surface of the frame body (1).

4. A centering fixture for a transformer height adjustment base as claimed in claim 3, wherein: the transmission piece comprises a worm wheel (203), a worm (202) and a supporting rod (204), wherein both sides of the inner wall of the frame body (1) are respectively connected with the supporting rod (204) through bearings in a rotating mode, the worm wheel (203) is fixedly connected to the supporting rod (204), an output shaft of the motor (201) is fixedly connected with the worm (202), and the worm (202) is meshed with the worm wheel (203).

5. The centering fixture of a transformer height adjustment base of claim 4, wherein: the transmission assembly (3) comprises two hollow seats (301), a connecting plate (302), a limiting rod (303) and a limiting plate (304), wherein the limiting plate (304) and the connecting plate (302) are located on the same side, the limiting rods (303) are fixedly connected to two sides of the inside of the frame body (1), the two sides of the inside of the hollow seats (301) are fixedly connected with the limiting rod (303) and the supporting rod (204), one end of the connecting plate (302) is fixedly connected with a worm wheel (203), one end of the connecting plate (302) is rotationally connected with the supporting rod (204) located in the hollow seat (301), and two ends of the limiting plate (304) are rotationally connected with the limiting rod (303) located in the hollow seat (301) and the limiting rod (303) located in the frame body (1) respectively.

6. The centering fixture of a transformer height adjustment base of claim 2, wherein: the power piece can also be an air cylinder (206), a supporting frame (205) is arranged on one side of the outer surface of the frame body (1), and the air cylinder (206) is arranged on the supporting frame (205).

7. The centering fixture of a transformer height adjustment base of claim 6, wherein: the transmission piece comprises a supporting rod (204), a movable plate (207), racks (208) and gears (209), wherein the two sides of the inner wall of the frame body (1) are respectively connected with the supporting rod (204) through bearings in a rotating mode, the gears (209) are fixedly connected to the supporting rod (204), the output ends of the cylinders (206) are fixedly connected with the movable plate (207), the two sides of the movable plate (207) are respectively provided with a plurality of racks (208), and the racks (208) are meshed with the gears (209).