CN218449848U

CN218449848U - Explosion-proof shell structure of mining frequency converter

Info

Publication number: CN218449848U
Application number: CN202222832657.7U
Authority: CN
Inventors: 梁国际; 王顺乘; 刘甲; 杜莉; 张福贵
Original assignee: Jiaozuo Huachen Electronic Technology Co ltd
Current assignee: Jiaozuo Huachen Electronic Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-02-03
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to a converter part technical field specifically is a mining converter explosion-proof shell structure, including the converter shell, let out and explode the structure and include the lug that converter shell both sides protrusion set up, the lug end has been seted up and has been let out and explode the mouth, let out and explode the end inboard through adhesive connection baffle, seted up on the baffle and let out and explode the hole, let out and explode the hole and be the straight flute kou form, set up evenly distributed's a plurality of groups, let out and explode downthehole crisscross grafting inserted block, the inserted block is pegged graft in letting out and explodes downtheholely by outer to interior, beneficial effect is: the utility model provides a be provided with on the converter shell and let out the mouth of exploding, let out to explode the interior bonding of mouth and be fixed with the baffle, the baffle is when exploding, and the impact can the departure let out explode the mouth to increase to let out the area of exploding the mouth slope and strikeing, improve and let out and explode the effect, avoid the explosion to strike and break away the shell and cause the damage to peripheral staff, improve result of use and security.

Description

Explosion-proof shell structure of mining frequency converter

Technical Field

The utility model relates to a converter part technical field specifically is a mining converter explosion-proof shell structure.

Background

A Variable-frequency Drive (VFD) is a power control device that applies frequency conversion technology and microelectronic technology to control an ac motor by changing the frequency of a working power supply of the motor. In the inside equipment power control operation of mine, can use the converter, can increase the control convenience to power equipment through the converter, and possess protect function, improve to overflowing, excessive pressure, overload protection's effect, but at the practical application in-process of converter, the problem of explosion on fire often can appear in the converter, general converter shell can not effectually be emptyd the explosion and let out, lead to the shell to break and fly away, can cause secondary damage to the staff, influence safety in utilization, in order to increase the explosion-proof performance of converter, improve the explosion-proof effect of letting out when the converter explodes, the utility model provides a mining converter explosion-proof shell structure is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof shell structure of mining converter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof shell structure of a mining frequency converter comprises

The high-voltage power supply comprises a frequency converter shell, wherein mounting seats are convexly arranged at the upper end and the lower end of the rear side of the frequency converter shell, explosion venting structures are arranged at the left side and the right side of the frequency converter shell, heat dissipation structures are arranged at the upper side and the lower side of the frequency converter shell, a cover plate is fixedly connected to the front side of the frequency converter shell, and a control panel and a display screen are arranged on the cover plate; and

let out and explode the structure, let out and explode the structure and include the lug that converter shell both sides protrusion set up, the lug end has been seted up and has been let out and explode the mouth, let out and explode mouthful tip inboard through adhesive bonding baffle, seted up on the baffle and let out and explode the hole, let out and explode the hole and be the straight flute kou form, set up evenly distributed's a plurality of groups, let out and explode downthehole crisscross grafting inserted block, the inserted block is pegged graft in letting out and explode downtheholely from outer to inner.

Preferably, the positive tip of converter shell is provided with the connector, the connector outside grafting cover is equipped with the apron, apron edge rear side is provided with the adapter sleeve, and the adapter sleeve is connected in the connector outside and is fixed through the bolt.

Preferably, the heat radiation structure includes the thermovent that the lower extreme was seted up on the converter shell, the mounting groove has been seted up in the thermovent outside, peg graft filter plate in the mounting groove, the locating hole has been seted up at the filter plate four corners, and the locating hole link up inside filter plate and the mounting groove bottom curb plate is connected to the converter shell, the inboard fixedly connected with dust screen of filter plate, set up a plurality of filtration pores of evenly distributed on the filter plate, the filtration pore is the hexagon.

Preferably, the positioning holes formed in the four corners of the filter plate are connected with positioning clamps, and the positioning clamps penetrate through the positioning holes and are connected to the inside of the shell of the frequency converter.

Preferably, the locator card includes the inserted bar, inserted bar one end fixedly connected with presses the pressure cap, it is the dome form to press the pressure cap, the inserted bar outside cover of pressing the cap rear side is equipped with the elastic gasket, the locator card plug-in is behind the locating hole, and elastic gasket elastic support is pressing between cap and the filter plate.

Preferably, what the inserted bar other end integrated into one piece is provided with buffering end, buffering end is the round platform form that the front end expands outward, what buffering end integrated into one piece is provided with the grafting end, buffering end and grafting end form the spindle form, buffering end and grafting end both sides horizontal cutting form the cutting face.

Preferably, a contraction joint is arranged in the middle of the end part of the positioning clamp, the contraction joint is rectangular, and the contraction joint is arranged in the insertion rod.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a be provided with on the converter shell and let out the mouth of exploding, let out and explode the interior bonding of mouth and be fixed with the baffle, the baffle is when exploding, it can fly out and let out the mouth of exploding to receive the impact, in order to increase the area of letting out the oblique impact of exploding mouthful, improve and let out the effect of exploding, avoid the explosion to strike and break away the shell and cause the damage to peripheral staff, and in the heat dissipation mouth that sets up through the fixed connection filter plate of locator card, the filter plate can play the effect of filtering the dust, and when explosion accident appearing, the explosion strikes also can be washed out the filter plate, increase and let out the effect of exploding, the location effect when normal use can be guaranteed to the locator card, can follow the interior extrusion filter plate of jack and together pop out after receiving the pressure that exceeds the bearable scope from inside, can not cause the damage, follow-up still can continue to use, use effect and security are improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

fig. 3 is a schematic structural view of the middle positioning card of the present invention.

In the figure: the device comprises a frequency converter shell 1, a mounting seat 2, an explosion venting port 3, a baffle 4, a filter plate 5, a filter hole 6, a positioning clamp 7, a cover plate 8, a control panel 9, a display screen 10, a heat dissipation port 11, a mounting groove 12, an insertion rod 13, a pressing cap 14, a buffering end 15, an insertion end 16, a cutting surface 17 and a contraction joint 18.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.

Example one

Referring to fig. 1-3, the present invention provides a technical solution: an explosion-proof shell structure of a mining frequency converter comprises

The device comprises a frequency converter shell 1, wherein mounting seats are convexly arranged at the upper end and the lower end of the rear side of the frequency converter shell 1, explosion venting structures are arranged at the left side and the right side of the frequency converter shell 1, heat dissipation structures are arranged at the upper side and the lower side of the frequency converter shell 1, a cover plate 8 is fixedly connected to the front side of the frequency converter shell 1, and a control panel 9 and a display screen 10 are arranged on the cover plate 8; and

let out and explode the structure, let out and explode the structure and include the convex block of 1 both sides protrusion setting of converter shell, the lug end has been seted up and has been let out and explode a 3, let out and explode 3 tip inboards and through adhesive bonding baffle 4, seted up on the baffle 4 and let out and explode the hole, let out and explode the hole and be the straight flute kou form, set up evenly distributed's a plurality of groups, let out and explode downthehole crisscross grafting inserted block, the inserted block is pegged graft in to letting out and explodes downtheholely by outer.

Example two

The positive tip of converter shell 1 is provided with the connector, and the connector outside grafting cover is equipped with

apron

8, and 8 marginal rear sides of apron are provided with the adapter sleeve, and the adapter sleeve is connected in the connector outside and through the bolt fastening, is connected with converter shell 1 through apron 8, and convenient follow-up dismantlement is convenient, and the maintenance of the inside spare part of being convenient for is changed, increases the convenience in use.

EXAMPLE III

The heat dissipation structure comprises a heat dissipation port 11 formed in the upper end and the lower end of a frequency converter shell 1, a mounting groove 12 is formed in the outer side of the heat dissipation port 11, a filter plate 5 is inserted in the mounting groove 12, positioning holes are formed in four corners of the filter plate 5, the positioning holes penetrate through the filter plate 5 and a side plate at the bottom of the mounting groove 12 and are connected to the inside of the frequency converter shell 1, a dust screen is fixedly connected to the inner side of the filter plate 5, a plurality of filter holes 6 which are uniformly distributed are formed in the filter plate 5, the filter holes 6 are hexagonal, the heat dissipation effect of the frequency converter shell 1 can be improved through the heat dissipation structure, the filter plate 5 is positioned through a positioning clamp 7, when the positioning clamp 7 is impacted by explosion, the positioning clamp 7 can be separated from the positioning holes, the filter plate 5 is popped out of the heat dissipation port 11, an explosion venting surface is increased in an auxiliary mode, the explosion venting effect is increased, the use safety of the frequency converter shell 1 is improved, and the frequency converter shell 1 is prevented from being crushed and scattered by impact and causing damage to peripheral workers;

positioning clips 7 are connected in positioning holes formed in four corners of the filter plate 5, the positioning clips 7 penetrate through the positioning holes to be connected to the inside of the shell 1 of the frequency converter, and the filter plate 5 can be fixed through the positioning clips 7 when the filter plate is normally used, so that the shielding effect of the filter plate 5 is ensured;

the positioning card 7 comprises an insertion rod 13, one end of the insertion rod 13 is fixedly connected with a pressing cap 14, the pressing cap 14 is in a dome shape, an elastic gasket is sleeved on the outer side of the insertion rod 13 on the rear side of the pressing cap 14, after the positioning card 7 is inserted into the positioning hole, the elastic gasket is elastically supported between the pressing cap 14 and the filter plate 5, after the positioning card 7 is inserted into the positioning hole by pressing, a buffering end head 15 and an inserting end head 16 on the rear end of the positioning card 13 can be elastically clamped in the positioning hole, the positioning effect is ensured, the elastic gasket can ensure the tightening effect, the stability is improved, and the pressing cap 14 is in a dome shape, so that the positioning card is not easy to detach from the outer side, and the connection effect is ensured;

the other end of the inserted link 13 is integrally provided with a buffer end head 15, the buffer end head 15 is in a circular truncated cone shape with the front end expanding outwards, the tail end of the buffer end head 15 is integrally provided with an inserted end head 16, the buffer end head 15 and the inserted end head 16 form a spindle shape, and two sides of the buffer end head 15 and two sides of the inserted end head 16 are horizontally cut to form a cutting surface 17;

the middle of 7 tip setings up the shrinkage joint 18 of locator card, and the shrinkage joint 18 is rectangle, and in the shrinkage joint 18 was seted up to inserted bar 13, the shrinkage joint 18 can be when pegging graft the adduction, and the locator card 7 grafting location of being convenient for also can contract when receiving the extrusion, conveniently deviates from in the locating hole, guarantees to connect or deviate from the convenience to in the improvement let out explode explosion-proof effect.

During the in-service use, be connected with converter shell 1 through apron 8, convenient follow-up dismantlement, the maintenance of the inside spare part of being convenient for is changed, increase the convenience of use, can improve the radiating effect of converter shell 1 through heat radiation structure, and filter plate 5 passes through locator card 7 location, when receiving the explosion impact, locator card 7 receives the impact back that exceeds the pressure-bearing limit, can deviate from the locating hole, pop out filter plate 5 thermovent 11, supplementary increase is let out the face of exploding, increase and let out the effect of exploding, increase the safety in utilization of converter shell 1, avoid converter shell 1 to receive the impact and smash and scatter, cause the damage to peripheral staff, can be when normal use through locator card 7, fix filter plate 5, guarantee the effect of sheltering from of filter plate 5, after inserting locator card 7 inside the locating hole through pressing, the inside buffering end 15 and the grafting end 16 of locator card 13 rear end can kick-back joint in, guarantee the locating effect, the elastic washer can guarantee the effect of tightening, stability is improved, and cap 14 is the dome, press from easy dismantlement from the outside, guarantee the connection effect, the contraction joint can be convenient when inserting the locator card 7, the contraction joint can be convenient when the locating hole, the convenience of throwing out, the convenience of pushing away from the convenience of inserting also can be taken out, the convenience of connecting, the convenience of locating card, the convenience of connecting can be guaranteed.

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

Claims

1. The utility model provides an explosion-proof shell structure of mining converter which characterized in that: comprises that

The device comprises a frequency converter shell (1), wherein mounting seats are convexly arranged at the upper end and the lower end of the rear side of the frequency converter shell (1), explosion venting structures are arranged at the left side and the right side of the frequency converter shell (1), heat dissipation structures are arranged at the upper side and the lower side of the frequency converter shell (1), a cover plate (8) is fixedly connected to the front side of the frequency converter shell (1), and a control panel (9) and a display screen (10) are arranged on the cover plate (8); and

let out and explode the structure, let out and explode the structure and include the convex block that converter shell (1) both sides protrusion set up, the convex block end has been seted up and has been let out and explode mouthful (3), let out and explode mouthful (3) tip inboard through adhesive bonding baffle (4), seted up on baffle (4) and let out and explode the hole, let out and explode the hole and be the straight flute mouth form, seted up a plurality of groups of evenly distributed, let out and explode downthehole crisscross grafting inserted block, the inserted block is pegged graft in letting out and explodes downthehole by outer to interior.

2. The mining frequency converter explosion-proof shell structure according to claim 1, characterized in that: the utility model discloses a frequency converter, including converter shell (1), connector outside grafting cover is equipped with apron (8), apron (8) edge rear side is provided with the adapter sleeve, and the adapter sleeve is connected in the connector outside and is fixed through the bolt.

3. The mining frequency converter explosion-proof shell structure according to claim 1, characterized in that: the heat radiation structure comprises a heat radiation port (11) formed in the upper end and the lower end of a frequency converter shell (1), a mounting groove (12) is formed in the outer side of the heat radiation port (11), a filter plate (5) is inserted in the mounting groove (12), positioning holes are formed in four corners of the filter plate (5), the positioning holes penetrate through the filter plate (5) and a side plate at the bottom of the mounting groove (12) and are connected to the inside of the frequency converter shell (1), a dust screen is fixedly connected to the inner side of the filter plate (5), a plurality of filter holes (6) which are uniformly distributed are formed in the filter plate (5), and the filter holes (6) are hexagons.

4. The mining frequency converter explosion-proof shell structure according to claim 3, characterized in that: and positioning clamps (7) are connected in positioning holes formed in four corners of the filter plate (5), and the positioning clamps (7) penetrate through the positioning holes and are connected to the inside of the shell (1) of the frequency converter.

5. The mining frequency converter explosion-proof shell structure according to claim 4, characterized in that: the utility model discloses a filter plate, including the locator card (7), the locator card (7) is including inserted bar (13), inserted bar (13) one end fixedly connected with presses cap (14), press cap (14) to be the dome form, the inserted bar (13) outside cover of pressing cap (14) rear side is equipped with the elastic washer, locator card (7) are pegged graft in the locating hole after, elastic washer elastic support is between pressing cap (14) and filter plate (5).

6. The mining frequency converter explosion-proof shell structure according to claim 5, characterized in that: the utility model discloses a buffering pole (13) and inserting rod (13) other end integrated into one piece is provided with buffering end (15), buffering end (15) are the round platform form that the front end expands outward, what buffering end (15) end integrated into one piece is provided with grafting end (16), buffering end (15) and grafting end (16) form the spindle form, buffering end (15) and grafting end (16) both sides horizontal cutting form cutting face (17).

7. The mining frequency converter explosion-proof shell structure according to claim 5, characterized in that: the middle of the end part of the positioning clamp (7) is provided with a contraction joint (18), the contraction joint (18) is rectangular, and the contraction joint (18) is arranged in the insertion rod (13).