CN110474519B

CN110474519B - Power unit module

Info

Publication number: CN110474519B
Application number: CN201910802274.5A
Authority: CN
Inventors: 李友亮
Original assignee: Hasion Anti Explosion Technology Co ltd
Current assignee: Hasion Anti Explosion Technology Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2024-05-14
Anticipated expiration: 2039-08-28
Also published as: CN110474519A

Abstract

The invention discloses a power unit module with high precision and more convenient maintenance. The technical scheme adopted comprises the following steps: the power unit module body mainly comprises a shell and electric components arranged in the shell, wherein a group of guide wheels arranged side by side are arranged at the bottom of the shell, and the electric components are respectively connected with a columnar contact and a heavy-load plug arranged on the back of the shell through wiring rows and wires; the pushing device mainly comprises a bottom plate, a guide rail, a screw rod and a sliding block, wherein the guide rail is arranged at the rear end of the bottom plate and matched with a guide wheel of the power unit module, the sliding block is arranged at the bottom of the bottom plate, and the sliding block and the power unit module are driven to move forwards and backwards through the rotation of the screw rod.

Description

Power unit module

Technical Field

The present invention relates to a power cell module applied to a power cell module.

Background

The explosion-proof and intrinsically safe multi-loop vacuum electromagnetic starter for mines is a common explosion-proof combined switch for mines, is mainly used for controlling and protecting motors, and is an important electrical equipment in the mining industry. The conventional structure has the following defects: the vacuum contactor that every return circuit adopted is connected with the conducting strip, and the installation is changed loaded down with trivial details, is inconvenient for maintain.

In view of the above problems, some drawer-type combined switches are currently available in the market, but the combination switches are not positioned accurately and are not well contacted after long-term use. In order to solve the problem, the Chinese patent application publication No. CN104426089A discloses a mining flameproof and safe multi-loop vacuum electromagnetic starter drawer type combined box which is mainly realized by strengthening the strength of a shell and changing the structure of a contact. The duckbill socket can be plugged in a larger error range, but the contact performance of the duckbill socket is far lower than that of the traditional plug bush structure. In addition, no matter which drawer type combined switch is, the integration degree of the power unit module is low, the disassembly and assembly are inconvenient, the power unit module can not be assembled and disassembled, and can only be maintained in a drawer, so that inconvenience is brought to maintenance.

Disclosure of Invention

The invention aims to provide a power unit module with high precision and more convenient maintenance.

In order to solve the problems, the technical scheme adopted by the invention comprises the following steps:

the power unit module body mainly comprises a shell and electric components arranged in the shell, wherein a group of guide wheels arranged side by side are arranged at the bottom of the shell, and the electric components are respectively connected with a columnar contact and a heavy-load plug arranged on the back of the shell through wiring rows and wires;

The pushing device mainly comprises a bottom plate, a guide rail, a screw rod and a sliding block, wherein the guide rail is arranged at the rear end of the bottom plate and matched with a guide wheel of the power unit module, the sliding block is arranged at the bottom of the bottom plate, and the sliding block and the power unit module are driven to move forwards and backwards through the rotation of the screw rod.

The power unit module is characterized in that: the power unit comprises a base plate, a sliding block, a power unit module, a sliding block, a connecting piece, a clamping part, a clamping plate and a power unit module, wherein sliding grooves are formed in two sides of the front end of the base plate, a buckle plate is arranged on the sliding grooves, one end of the buckle plate is rotatably connected with the sliding block through the connecting piece, the buckle plate is provided with the clamping part, and the front end of the bottom of the power unit module is arranged on the clamping plate; when the power unit module is installed, the pinch plate is separated from the left side and the right side respectively by taking the connecting piece as a fulcrum, and then the power unit module is put in, so that the guide wheels at the bottom of the power unit module are in guide fit with the guide rails on the bottom plate; when the clamping plate at the bottom of the power unit module is in contact with the connecting piece on the buckle plate, the buckle plate is pulled back to the middle, so that the buckling part arranged on the buckle plate clamps the rear end of the clamping plate.

The power unit module is characterized in that: the clamping plate is provided with a buckling groove, a gap exists between the connecting piece and the buckling plate, and when the clamping plate contacts with the connecting piece at the front end of the buckling plate, the connecting piece is clamped into the buckling groove.

The power unit module is characterized in that: the front end of the chute is provided with an arc-shaped guide groove, and the bottom of the buckling part is in guide fit with the arc-shaped guide groove.

The power unit module is characterized in that: the buckling part is a first bolt, and the connecting piece is a second bolt.

The power unit module is characterized in that: and a third bolt is arranged at the other end of the buckle plate.

The power unit module is characterized in that: the upper end and/or the front end of the shell of the power unit module is/are provided with a handle.

The power unit module is characterized in that: the guide wheels are concave bearings, and flanges which are adaptive to the concave bearings are arranged on two sides of the guide rail.

The power unit module is characterized in that: the sliding block is slidably arranged at the bottom of the bottom plate through two guide posts, and two ends of each guide post are fixed at the bottom of the bottom plate through fixing blocks.

The power unit module is characterized in that: the front end of the screw rod is connected with the rotating shaft, and the rear end of the screw rod is connected with the motor.

The power unit module of the invention has the advantages that:

1. Each loop adopts a modularized power unit body, so that the installation and the replacement are simple, the modules are universal, and the delivery period is greatly shortened;

2. the main loop plug is spliced with the columnar contact of the modularized power unit body by adopting the plug bush device, so that the contact is more stable;

3. the novel pushing device is adopted to accurately position and move the modularized power unit body so as to ensure that the columnar contact can be accurately inserted into the plug bush device.

Drawings

The invention will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of a modular power unit of the present invention showing a front face configuration;

FIG. 2 is a schematic diagram of the modular power unit of the present invention showing the back side configuration;

FIG. 3 is a cross-sectional view of a modular power unit of the present invention;

FIG. 4 is a schematic diagram of the structure of the modular power unit body of the present invention;

FIG. 5 is a schematic structural view of a pushing device of the present invention, showing a front structure;

FIG. 6 is a schematic structural view of the pushing device of the present invention, showing a back structure;

FIG. 7 is a schematic structural view of the pushing device of the present invention, showing the state of change of the buckle;

fig. 8 is a schematic diagram of the installation of the power unit module of the present invention on a mining flameproof and intrinsically safe multi-loop vacuum electromagnetic starter.

Detailed Description

As shown in fig. 1 to 8, the modular power unit of the present invention includes a power unit module body 2 and a pushing device 3.

The power unit module body 2 mainly comprises a shell 201 and an electric component 202 arranged in the shell 201. Wherein the electrical components 202 package vacuum contactors and the like. The bottom of the housing 201 is provided with a set of guide wheels 303 arranged side by side, the electrical components 202 are respectively connected with the columnar contacts 203 and the heavy-duty plugs 206 arranged on the back of the housing 201 through wiring rows and wires, and the wiring manners of the wiring rows and the wires are conventional and are not described herein. The power unit module body 2 is respectively in plug-in fit with the plug bush 106 and the heavy-duty socket 110 which are arranged in the cavity of the mining flameproof and intrinsically safe multi-loop vacuum electromagnetic starter through the columnar contact 203 and the heavy-duty plug 206.

The pushing device 3 mainly comprises a bottom plate 301, a guide rail 302, a screw rod 304 and a sliding block 305. The base plate 301 is arranged in a cavity of the mining flameproof and intrinsically safe multi-loop vacuum electromagnetic starter. The guide rail 302 is disposed at the rear end of the bottom plate 301 and cooperates with the guide wheel 303 of the power unit module body 2, and the slider 305 is disposed at the bottom of the bottom plate 301 and is connected with the power unit module body 2. The sliding block 305 and the power unit module body 2 are driven to move back and forth by the rotation of the screw rod 304, so that the columnar contact 203 and the heavy-duty plug 206 are respectively contacted with or separated from the plug bush 106 and the heavy-duty socket 110 which are arranged in the cavity of the mining flameproof and intrinsically safe multi-loop vacuum electromagnetic starter. Wherein, the mating of the columnar contact 203 and the plug bush 106 is used for plugging a main circuit (i.e. high current), and the mating of the heavy-duty plug 206 and the heavy-duty socket 110 is used for plugging a control circuit.

Further, two sides of the front end of the bottom plate 301 are provided with a chute 308, the chute 308 is provided with a buckle 309, one end of the buckle 309 is rotatably connected with the slider 305 through a connecting piece 314, and the middle of the buckle 309 is provided with a fastening portion 313. The front end of the bottom of the power unit module body 2 is arranged on the clamping plate 311. The space between the fastening portion 313 and the connecting piece 314 is equal to or slightly larger than the width of the clamping plate 311. During installation, the buckle 309 is separated from the left and right sides by taking the connecting piece 314 as a fulcrum, and then the power unit module body 2 is put in, so that the guide wheels 303 at the bottom of the power unit module body 2 are in guide fit with the guide rails 302 on the bottom plate 301. When the clamping plate 311 at the bottom of the power unit module body 2 contacts with the connecting piece 314 at the front end of the clamping plate 309, the clamping plates 309 are respectively pulled back to the middle, so that the fastening parts 313 arranged on the clamping plates 309 clamp the rear end of the clamping plate 311. Finally, the slider 305, the buckle 309, and the power unit module body 2 clamped thereon are driven to move back and forth by the rotation of the screw rod 304. The connecting member 314 and the fastening portion 313 are preferably formed of a first bolt and a second bolt, respectively. Above-mentioned structure has easy dismounting, fixes a position accurate advantage.

Further, the clip 311 is provided with a fastening slot 312, a gap 318 is formed between the connecting piece 314 and the fastening plate 309, and when the clip 311 contacts with the connecting piece 314 at the front end of the fastening plate 309, the connecting piece 314 is fastened into the fastening slot 312. To perform a positioning function, the connection between the power unit module body 2 and the buckle 309 is more stable, so that the power unit module body 2 can be conveniently loaded and unloaded.

Further, an arc-shaped guide groove 310 is provided at the front end of the chute 308, and the bottom of the second bolt 313 is in guide fit with the arc-shaped guide groove 310. The buckle 309 is rotated more stably, so as to ensure that the fastening portion 313 of the buckle 309 can be accurately fastened into the fastening slot 312 of the fastening plate 311.

Further, a third bolt 317 is provided at the other end of the buckle 309. The third bolt 317 is used for grasping by the operator's hand to facilitate opening and closing of the buckle 309.

Further, handles 204 are disposed at the upper end and the front end of the housing 201 of the power unit module body 2. So as to facilitate the handling and the disassembly of the power unit module body 2.

Further, the guide wheel 303 is a concave bearing, specifically a high-precision concave bearing, and flanges 3021 adapted to the concave bearing are disposed on two sides of the guide rail 302, so as to ensure that the power unit module body 2 can move very smoothly and accurately, and improve wear resistance thereof.

Further, the sliding block 305 is slidably disposed at the bottom of the bottom plate 301 through two guide posts 306, and two ends of the guide posts 306 are fixed at the bottom of the bottom plate 301 through fixing blocks 307. To ensure a very smooth and precise movement of the slider 305, and finally to achieve a more smooth and precise movement of the power unit module body 2.

Further, the front end of the screw rod 304 is connected with a rotating shaft 315, and the rear end of the screw rod 304 is connected with a motor 316. The shaft 315 and the screw 304 may be integrally formed. The motor 316 is preferably a stepping motor, and normally drives the slider 305 and the power unit module body 2 to move back and forth through the motor 316, and when the power is off, the slider 305 and the power unit module body 2 can be driven to move back and forth through the cooperation of the crank and the rotating shaft 315.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. A power cell module, comprising:

The power unit module body (2) mainly comprises a shell (201) and electric components (202) arranged in the shell (201), wherein a group of guide wheels (303) arranged side by side are arranged at the bottom of the shell (201), and the electric components (202) are respectively connected with a columnar contact (203) and a heavy-load plug (206) arranged on the back of the shell (201) through wiring rows and wires;

The pushing device (3) mainly comprises a bottom plate (301), a guide rail (302), a screw rod (304) and a sliding block (305), wherein the guide rail (302) is arranged at the rear end of the bottom plate (301) and is matched with a guide wheel (303) of the power unit module body (2), the sliding block (305) is arranged at the bottom of the bottom plate (301), and the sliding block (305) and the power unit module body (2) are driven to move forwards and backwards through the rotation of the screw rod (304);

The power unit comprises a base plate (301), wherein sliding grooves (308) are formed in two sides of the front end of the base plate (301), a buckle plate (309) is arranged on the sliding grooves (308), one end of the buckle plate (309) is rotatably connected with a sliding block (305) through a connecting piece (314), a buckling part (313) is arranged on the buckle plate (309), and the front end of the bottom of the power unit module body (2) is arranged on a clamping plate (311); when the power unit module is installed, the pinch plate (309) is separated to the left and the right by taking the connecting piece (314) as a fulcrum, and then the power unit module body (2) is put in, so that the guide wheels (303) at the bottom of the power unit module body (2) are in guide fit with the guide rails (302) on the bottom plate (301); when the clamping plate (311) at the bottom of the power unit module body (2) is in contact with the connecting piece (314) on the clamping plate (309), the clamping plate (309) is respectively pulled back to the middle, and the rear end of the clamping plate (311) is clamped by the buckling part (313) arranged on the clamping plate (309).

2. The power cell module of claim 1, wherein: the clamping plate (311) is provided with a buckling groove (312), a gap (318) is formed between the connecting piece (314) and the buckling plate (309), and when the clamping plate (311) is contacted with the connecting piece (314) at the front end of the buckling plate (309), the connecting piece (314) is clamped into the buckling groove (312).

3. The power cell module of claim 1, wherein: the front end of the sliding groove (308) is provided with an arc-shaped guide groove (310), and the bottom of the buckling part (313) is in guide fit with the arc-shaped guide groove (310).

4. The power cell module of claim 1, wherein: the fastening portion (313) is a first bolt, and the connecting piece (314) is a second bolt.

5. The power cell module of claim 1, wherein: and a third bolt (317) is arranged at the other end of the buckle plate (309).

6. The power cell module of claim 1, wherein: a handle (204) is arranged at the upper end and/or the front end of the shell (201) of the power unit module body (2).

7. The power cell module of claim 1, wherein: the guide wheels (303) are concave bearings, and flanges (3021) which are matched with the concave bearings are arranged on two sides of the guide rail (302).

8. The power cell module of claim 1, wherein: the sliding block (305) is slidably arranged at the bottom of the bottom plate (301) through two guide posts (306), and two ends of the guide posts (306) are fixed at the bottom of the bottom plate (301) through fixing blocks (307).

9. The power cell module of claim 1, wherein: the front end of the screw rod (304) is connected with the rotating shaft (315), and the rear end of the screw rod is connected with the motor (316).