CN108683223B - Charging frame structure for coal mine communication intercom device - Google Patents

Abstract

The invention provides a charging frame structure for a coal mine communication intercom device, which comprises a filter screen bracket, an H-shaped side cover plate, an exhaust fan and a charging seat, wherein four groups of herringbone hangers are equidistantly supported and hung at the bottom of a top frame, and four hanging rods on the left side and the right side of each group of herringbone hangers are all in threaded locking connection with a vertically downward supporting sliding shaft; the whole filter screen bracket that is the rectangle setting, the vertical welding of its rear end has a fender backup plate, and the interval supports between the rectangular frame of two filter screen brackets and the roof of H shape draft tube bottom recess and is formed with two pull spaces, and two dirt filtrating screens just push away the inside of sliding arrangement in these two pull spaces and by spacing support on two fender backup plates in two filter screen bracket rear ends. According to the arrangement of the H-shaped ventilating duct, the H-shaped ventilating duct is a common air suction channel of all the covers, and the H-shaped ventilating duct is matched with the two dust filtering nets to provide relatively clean external heat dissipation and ventilation.

Description

Charging frame structure for coal mine communication intercom device

Technical Field

The invention belongs to the technical field of coal mine communication corollary equipment, and particularly relates to a charging rack structure for a coal mine communication intercom device.

Background

Because the intercom carries convenient to use, adopt the intercom to communicate in the colliery more, however because the coal dust is diffuse and the environment is moist in the mine, consequently, moist coal dust very easily causes the static injury to the mainboard and can take place little short circuit, this can seriously influence the stable setting of use of intercom and reduce its life, the inside of the intercom that the coal dust very easily invades when charging stews, and then just need this kind of colliery for communication intercom charging frame structure seal protection charging to the intercom, reduce the coal dust invasion volume when charging that stews.

Through searching for example patent with patent number CN206149253U, an interphone charging seat assembly is disclosed, which comprises a plurality of charging seats, a power connection line and a conductive wire, wherein each charging seat is provided with a power input terminal, a shunt output terminal and a charging slot matched with a charging port of an interphone, and the power connection line is a power input terminal of the charging seat; the shunt output terminal of one charging seat body is communicated with the power input terminal of the other charging seat body through a conducting wire; one side of the charging seat body is provided with a clamping block, the other side of the charging seat body is provided with a clamping groove matched with the clamping block, and the clamping block on the charging seat body is detachably clamped and fixedly matched with the clamping groove on the adjacent charging seat body; the charging socket solves the problem that a socket is not enough when a user needs to charge a plurality of interphones, and has the advantage that a plurality of interphones can be charged simultaneously by only one power socket.

For example, patent No. CN206759126U discloses an intercom cluster charging device, the top of the casing is provided with a plurality of detachable charging seats for placing the intercom, the front of the casing is provided with an inclined panel, and the inclined panel is provided with a charging display panel for displaying the charging state; the rear part of the shell is provided with a power interface, a power switch and a radiator; the display panel, the power interface, the power switch and the radiator are electrically connected with the circuit board; through being equipped with the charging seat that a plurality of detachable is used for placing the intercom at the casing top, can realize the purpose that a charging device supplies a plurality of intercom to charge simultaneously, the management of being convenient for, and the charging seat is detachable, and convenient operation has very strong practicality, is fit for using widely on a large scale.

Based on above-mentioned two patents and combining prior art the inventor discovery, current device though can carry out the use of charging of conventionality, but it exists in practical application, and sealed effect is relatively poor can not carry out comparatively effectual shielding to the coal dust and blocks, and does not thoroughly effectual solution sealed heat dissipation problem under the charging environment, and then easily influences the problem of battery charging stability.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a charging rack structure for a coal mine communication intercom device is provided, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a charging rack structure for a coal mine communication intercom device, which aims to solve the problems that the existing charging rack device is poor in sealing effect, cannot effectively shield and block coal dust, does not thoroughly and effectively solve the heat dissipation problem in a sealed charging environment, and further is easy to influence the charging stability of a battery.

The invention relates to a charging rack structure for a coal mine communication intercom device, which is realized by the following specific technical means:

a charging frame structure for a coal mine communication intercom device comprises a supporting bedplate, a connecting plate, a positioning ear plate, an air inlet, an air outlet, a square sleeve frame, a supporting rod, a water retaining cover supporting rod, a sleeve cover, a sliding sleeve, a supporting sliding shaft, a spring, a water retaining cover, an air suction groove, an H-shaped ventilating duct, a filter screen bracket, an H-shaped side cover plate, a dust filter screen, a press switch, a top frame, a Chinese character 'shan' shaped hanging frame, an exhaust fan and a charging seat, wherein the supporting bedplate is in a long strip shape and is symmetrically arranged at two positions in a left-right direction, the two supporting bedplates are arranged and welded at equal intervals, and a plurality of connecting plates are arranged between the two supporting bedplates at the front position and the rear position to form a complete mounting table top under the supporting connection of the connecting plates; the four supporting rods are symmetrically welded at the bottoms of the extending plates at the outer sides of the two supporting bedplate, and a base frame plate is welded at the tail ends of the four supporting rods; two press switches are fixed on the two right support rods through screws and are respectively electrically connected with four charging seats and five exhaust fans on the corresponding sides in a control manner; four square sleeve frames are arranged, welded and fixed on the front supporting bedplate and the rear supporting bedplate at equal intervals, a charging seat is screwed and locked on the inner plane of the eight square sleeve frames, and an air inlet and an air outlet are symmetrically arranged on the vacant table boards at the front side and the rear side of the eight charging seats in a penetrating way; six water retaining cover supporting rods are symmetrically supported and welded on the spaced end face between the front row of square sleeve frames and the rear row of square sleeve frames, and the top frame is arranged at the top and fixed at the top ends of the six water retaining cover supporting rods; the whole top frame is rectangular, a middle supporting plate is transversely supported in the top frame, and a bevel water retaining cover is welded at the top end of the top frame in a supporting mode; four groups of Chinese character 'shan' shaped hanging frames are equidistantly supported and hung at the bottom of the top frame, and four hanging rods on the left and right outer sides of each Chinese character 'shan' shaped hanging frame are all in threaded locking connection with a vertically downward supporting sliding shaft; the whole filter screen bracket is rectangular, a baffle plate is vertically welded at the rear end of the filter screen bracket, two drawing spaces are formed between rectangular frames of the two filter screen brackets and a top plate of a groove at the bottom of the H-shaped ventilating cylinder in a supporting mode at intervals, and the two dust filter screens are pushed and slid inside the two drawing spaces and are limited to abut against the two baffle plates at the rear ends of the two filter screen brackets; a prescription-shaped rubber gasket is adhered to the wall edge of the opening at the bottom of each sleeve cover; and a layer of rubber pad is adhered to the inner side pressing end faces of the two H-shaped side cover plates.

Furthermore, the whole transparent plastic setting of rectangle that stands vertically of cover, and the support welding has a handle on its top terminal surface, and the upper portion position symmetry welding of lateral wall has two sliding sleeves about it, and eight covers just cross sliding sleeve slip cover about it and insert on the sliding shaft is supported in two places rather than corresponding about it.

Furthermore, each supporting sliding shaft is sleeved with a spring, the spring is compressed and clamped between the sliding sleeve and an outer hanger rod of the E-shaped hanger frame, and then the rebound jacking sliding linkage lower sleeve covers of the two springs slide downwards along the two supporting sliding shafts and are correspondingly inserted downwards into a prescription-shaped sleeve frame to seal and cover the interphone which is inserted and supported on the charging seat.

Furthermore, the H-shaped ventilating duct is welded and hung at the middle position of the bottom of the mounting table board, the top end openings of the front and rear vertical air guide grooves of the H-shaped ventilating duct are in butt joint communication with the front and rear rows of air inlets, and two filter screen brackets are symmetrically embedded and welded at the front and rear ends of the groove at the bottom of the H-shaped ventilating duct.

Furthermore, two groups of supporting and placing plates are symmetrically supported on the left side and the right side of the vertical air guide groove bottom plates at the front part and the rear part of the H-shaped ventilating duct, and the two H-shaped side cover plates are used for placing and supporting the top ends of the left group of supporting and placing plates and the right group of supporting and placing plates.

Furthermore, the inner bottom positions of the left end and the right end of the two supporting bedplate are symmetrically supported with four positioning ear plates, the four positioning ear plates are all provided with a jacking bolt in a threaded penetrating way, the four positioning ear plates correspond to the front of two H-shaped side cover plates in a left-right mode, and then the two H-shaped side cover plates are arranged on openings at the left end and the right end of the H-shaped ventilating duct in a pressing and sealing mode under the locking jacking of the four jacking bolts.

Furthermore, two long strip-shaped air suction grooves are symmetrically hung and welded at the bottoms of the two support tables, the two air suction grooves are in butt joint communication with the front row of exhaust ports and the rear row of exhaust ports, and five exhaust fans are locked on bottom plates of the two air suction grooves through threads arranged at equal intervals.

Furthermore, two air inlets are symmetrically formed in the left end and the right end of a groove top plate at the bottom of the H-shaped ventilating duct, the two air inlets correspond to the two filter screen brackets from top to bottom, three locking bolts penetrate through four bottoms of supporting plates on two sides of the two filter screen brackets at equal intervals, and then two dust filter screens are pressed and plugged on the two air inlets under the tightening of the threads of the six locking bolts.

Compared with the prior art, the invention has the following beneficial effects:

the setting of cover, the set cover can the sealed intercom that covers, and the inside static damage that causes its mainboard electrical part of the intercom of charging that gets into in a large number that the coal dust that flies upward in avoiding the colliery stews, and then influences the whole life of intercom, and the pull that carries on that the sliding sleeve can be convenient opens and shuts about it through the cover in addition, can make getting of intercom put the operation more nimble.

The arrangement of two springs, two springs can be with the dustcoat roof pressure on the mesa of square cover frame inside, and then the square rubber packing ring of dustcoat bottom wall edge can be compressed tightly the contact and seal on the mesa, and this just makes dustcoat inner space obtain more thoroughly to keep apart sealed and has had better dustproof effect of shielding.

The setting of H shape draft tube, H shape draft tube are the common passageway that induced drafts of all covers, and its cooperation two places dust filter net use can provide comparatively clean outside heat dissipation and ventilation.

The setting of two H type side cover boards, both ends are the opening setting around the H shape draft tube, only need take off two H type side cover boards can be convenient sweep the inside coal dust of depositing the collection of H shape draft tube clean.

The setting of locating ear plate everywhere, the tight bolt in top of everywhere on the ear plate of location has the effect of the tight sealed two H type side cover plates in location top, can avoid there being the clearance between opening side about two H type side cover plates and the H shape draft tube to cause the coal dust to run into the inside of H shape draft tube secretly.

Two settings in groove that induced drafts, because the sealed effect preferred of eight dustcoats, and then can hinder to shelter from its inside heat of charging's normal giving off, the inside high temperature that causes the dustcoat influences the charging stability of battery, two places induced drafts the groove respectively for the air-out passageway of two rows of dustcoats in front and back, its cooperation ten air blowers use can constitute suction convection cooling ventiduct with H shape ventilating duct, and then eight dustcoats inside heat of charging can be taken away by incessant convection current wind, the emergence of the above-mentioned condition of effectively avoidding.

The setting of filter screen bracket, six locking bolts on the fagging of filter screen bracket both sides can fix a position and compress tightly sealed dust screen, avoid dust screen and air intake face all around to have the space to cause the coal dust to get into the inside filter effect that influences the H-shaped ventilation section of thick bamboo of H-shaped ventilation section of thick bamboo.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic diagram of the bottom three-dimensional structure of the present invention.

Fig. 3 is a schematic view of the top frame support mounting position of the present invention.

FIG. 4 is a schematic view of the arrangement and support structure of the E-shaped hanging bracket of the present invention.

Fig. 5 is a schematic view of the charging stand arrangement of the present invention.

FIG. 6 is a schematic view of the structure of two air suction slots and an H-shaped funnel according to the present invention.

FIG. 7 is a schematic view of the installation positions of two air suction grooves according to the present invention.

Fig. 8 is a schematic view of the installation position structure of the H-shaped ventilation tube of the invention.

Fig. 9 is a schematic view of the shroud structure of the present invention.

Fig. 10 is a schematic view of the sliding assembly structure of the dust filter screen of the present invention.

Fig. 11 is a schematic view of a screen carrier according to the present invention.

Fig. 12 is a schematic view of the H-shaped funnel of the present invention.

Fig. 13 is a schematic view of the bottom structure of the H-shaped funnel of the present invention.

FIG. 14 is a schematic view of the internal structure of the air suction groove of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1-supporting bedplate, 101-connecting plate, 102-positioning ear plate, 103-air inlet, 104-air outlet, 105-square sleeve frame, 2-supporting rod, 3-water retaining cover supporting rod, 4-sleeve cover, 401-sliding sleeve, 402-supporting sliding shaft, 403-spring, 5-water retaining cover, 6-air suction groove, 7-H-shaped ventilating tube, 701-filter screen bracket, 702-H-shaped side cover plate, 8-dust-filtering screen, 9-press switch, 10-top frame, 11-Chinese character 'shan' shaped hanging bracket, 12-air extractor and 13-charging seat.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 14:

the invention provides a charging frame structure for a coal mine communication intercom device, which comprises a supporting bedplate 1, a connecting plate 101, a positioning ear plate 102, an air inlet 103, an air outlet 104, a square sleeve frame 105, a supporting rod 2, a water retaining cover supporting rod 3, a sleeve cover 4, a sliding sleeve 401, a supporting sliding shaft 402, a spring 403, a water retaining cover 5, an air suction groove 6, an H-shaped ventilating duct 7, a filter screen bracket 701, an H-shaped side cover plate 702, a dust filtering screen 8, a press switch 9, a top frame 10, a Chinese character-shaped hanger 11, an exhaust fan 12 and a charging seat 13, wherein the supporting bedplate 1 is arranged in a strip shape in a left-right symmetry manner, a plurality of connecting plates 101 are arranged and welded at equal intervals between the two supporting bedplates 1, and the front and rear two supporting bedplates 1 are combined to form a complete mounting table top under the supporting connection of the connecting plates 101; the four support rods 2 are symmetrically welded at the bottoms of the extension plates at the outer sides of the two support bedplate 1, and the tail ends of the four support rods 2 are welded with a base frame plate; two push switches 9 are fixed on the two right support rods 2 through screws, and the two push switches 9 are respectively electrically connected with four charging seats 13 and five exhaust fans 12 on the corresponding sides; four square sleeve frames 105 are arranged, welded and fixed on the front supporting bedplate and the rear supporting bedplate 1 at equal intervals, a charging seat 13 is screwed and locked on the inner plane of the eight square sleeve frames 105, and an air inlet 103 and an air outlet 104 are symmetrically arranged on the vacant tabletops of the front side and the rear side of the eight charging seats 13 in a penetrating way; six water retaining cover support rods 3 are symmetrically supported and welded on the spaced end face between the front row of square sleeve frames 105 and the rear row of square sleeve frames 105, and the top frame 10 is fixed at the top ends of the six water retaining cover support rods 3 in an overhead mode; the top frame 10 is integrally rectangular, a middle supporting plate is transversely supported in the top frame, and a bevel water retaining cover 5 is welded at the top end of the top frame in a supporting mode; four groups of Chinese-character-' shan-shaped hanging frames 11 are equidistantly supported and hung at the bottom of the top frame 10, and four hanging rods on the left and right outer sides of each Chinese-character-shaped hanging frame 11 are all in threaded locking connection with a vertically downward supporting sliding shaft 402; the filter screen brackets 701 are integrally rectangular, the rear ends of the filter screen brackets 701 are vertically welded with a baffle plate, two drawing spaces are formed between rectangular frames of the two filter screen brackets 701 and a top plate of a groove at the bottom of the H-shaped ventilating duct 7 in a supporting mode at intervals, and the two dust filter screens 8 are pushed, slid and placed in the two drawing spaces and are limited and abutted against the two baffle plates at the rear ends of the two filter screen brackets 701; a prescription-shaped rubber gasket is adhered to the wall edge of the opening at the bottom of each cover 4; two layers of rubber pads are adhered to the inner side pressing end faces of the two H-shaped side cover plates 702.

Wherein, the whole rectangle transparent plastic setting that stands vertically of cover 4, and the support welding has a handle on its top terminal surface, and the upper portion position symmetrical welding of lateral wall has two sliding sleeves 401 about it, eight cover 4 just cross it about sliding sleeves 401 slip the cover insert in rather than control two corresponding support sliding shaft 402 on, cover 4 can seal the cover intercom, avoid in the colliery that the coal dust that flies upward in a large number gets into the inside electrostatic damage that causes its mainboard electrical part of the intercom that charges that stews, and then influence the whole life of intercom, cover 4 can be convenient through it about sliding sleeves 401 carry out the pull and open and shut in addition, can make the getting of intercom put the operation more nimble.

Each of the supporting sliding shafts 402 is sleeved with a spring 403, and the spring 403 is compressed and clamped between the sliding sleeve 401 and the outer hanger rod of the chevron-shaped hanger 11, so that the two springs 403 are ejected back and slide to drive the lower shroud 4 to slide downwards along the two supporting sliding shafts 403 and correspondingly inserted downwards into a prescription-shaped shroud 105 to seal and cover the interphone inserted and supported on the charging seat 13, the two springs 403 can press the shroud 4 against the table top inside the square shroud 105, and the square rubber gasket on the bottom wall edge of the shroud 4 is pressed and sealed on the table top, so that the inner space of the shroud 4 is completely isolated and sealed and has better shielding and dustproof effects.

The H-shaped ventilating duct 7 is welded and hung at the middle position of the bottom of the mounting table board, top end openings of front and rear vertical air guide grooves of the H-shaped ventilating duct 7 are opposite to and communicated with front and rear rows of air inlets 103 in an abutting mode, two filter screen brackets 701 are symmetrically embedded into front and rear ends of a groove in the bottom of the H-shaped ventilating duct 7 in a symmetrical mode, the H-shaped ventilating duct 7 is a common air suction channel of all the sleeve covers 4, and the H-shaped ventilating duct can provide relatively clean external heat dissipation and ventilation by matching with two dust filter screens 8.

Two sets of supporting and placing plates are symmetrically supported on the left side and the right side of the vertical air guide groove bottom plates at the front and the rear of the H-shaped ventilating duct 7, the two H-shaped side cover plates 702 are used for placing and supporting the top ends of the left supporting and placing plates and the right supporting and placing plates, the front end and the rear end of the H-shaped ventilating duct 7 are arranged in an opening mode, and coal dust stored in the H-shaped ventilating duct 7 can be conveniently swept and cleaned only by taking down the two H-shaped side cover plates 702.

The bottom positions of the inner sides of the left end and the right end of the two support bedplate 1 are symmetrically supported with four positioning ear plates 102, the four positioning ear plates 102 are all provided with a jacking bolt in a threaded penetrating manner, the four positioning ear plates 102 correspond to the front of two H-shaped side cover plates 702 in a left-right manner in a left-right corresponding manner, and then the two H-shaped side cover plates 702 are tightly pressed and sealed by the locking jacking bolts at the four positions on the four positioning ear plates 102 and are arranged on openings at the left end and the right end of the H-shaped ventilating duct 7, the four jacking bolts on the four positioning ear plates 102 have the functions of positioning and jacking and sealing the two H-shaped side cover plates 702, and the situation that coal dust runs into the inside of the H-shaped ventilating duct 7 due to gaps between the two H-shaped side cover plates 702 and the left-right opening side edges of the H-shaped ventilating duct 7 can be avoided.

Wherein, two long bar shape air suction grooves 6 are symmetrically hung and welded at the bottom of the support bedplate 1, the two air suction grooves 6 are communicated with the front and the rear two rows of exhaust ports 104 in a butt joint manner, and five exhaust fans 12 are arranged on the bottom plate of the two air suction grooves 6 at equal intervals and locked by threads, because the eight sleeve hoods 4 have better sealing effect, the normal emission of the internal charging heat can be blocked, the internal temperature of the sleeve hoods 4 is too high, the charging stability of the battery is influenced, the two air suction grooves 6 are respectively air outlet channels of the front and the rear two rows of sleeve hoods 4, the exhaust fans 12 can be matched with the ten exhaust fans to form a suction convection heat dissipation ventilation channel with the H-shaped ventilation barrel 7, the internal charging heat of the eight sleeve hoods 4 can be taken away by uninterrupted convection air, and the occurrence of the above conditions is effectively avoided.

Wherein, two air intakes have been seted up to the left and right ends position symmetry of 7 bottom recess roofs of H shape draft tube, these two air intakes correspond from top to bottom with two filter screen bracket 701, and the equal equidistance in bottom of two filter screen bracket 701 both sides fagging runs through and is provided with three locking bolt, and then two places dust screen 8 are pressed the shutoff on two air intakes mentioned in the screw top of these six locking bolts down, six locking bolt can fix a position and compress tightly sealed dust screen 8 on the fagging of filter screen bracket 701 both sides, avoid dust screen 8 and air intake face all around to have the space to cause the coal dust to enter into the filtration effect of 7 inside influence H shape draft tubes 7 of H shape draft tube.

The specific use mode and function of the embodiment are as follows:

when the convection heat dissipation air circulation path of the invention is used, under the suction of ten exhaust fans 12, negative pressure is formed in the two air suction grooves 6 and the eight sleeve hoods 4, at this time, under the extrusion action of external large pressure, external air flow enters the inside of the H-shaped ventilating pipe 7 through two air inlets at the left end and the right end of the bottom of the H-shaped ventilating pipe 7 along two dust filtering nets 8, then the external air flow of the H-shaped ventilating pipe 7 is divided into two paths and respectively enters the inside of the eight sleeve hoods 4 through the front vertical air guide grooves and the rear vertical air guide grooves of the H-shaped ventilating pipe 7, then the external air flow carries the heat in the sleeve hoods 4 to enter the two air suction grooves 6 through the front exhaust holes and the rear exhaust holes 104, and finally the ten exhaust fans 12 suck and exhaust the convection air, and the convection air circulation path is finished.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (3)

1. The utility model provides a colliery communication is charging frame structure for intercom device which characterized in that: the charging frame structure for the coal mine communication intercom device comprises a supporting bedplate, a connecting plate, a positioning ear plate, an air inlet, an air outlet, a square sleeve frame, a supporting rod, a water retaining cover supporting rod, a sleeve cover, a sliding sleeve, a supporting sliding shaft, a spring, a water retaining cover, an air suction groove, an H-shaped ventilating duct, a filter screen bracket, an H-shaped side cover plate, a dust filter screen, a press switch, a top frame, a Chinese character 'shan' shaped hanging bracket, an air exhauster and a charging seat, wherein the supporting bedplate is in a long strip shape and is symmetrically arranged at two positions left and right, and a plurality of connecting plates are arranged and welded at equal intervals between the two supporting bedplates, so that the front supporting bedplate and the rear supporting bedplate are combined to form a complete mounting table top under the supporting connection of the connecting plates; the four supporting rods are symmetrically welded at the bottoms of the extending plates at the outer sides of the two supporting bedplate, and a base frame plate is welded at the tail ends of the four supporting rods; two press switches are fixed on the two right support rods through screws and are respectively electrically connected with four charging seats and five exhaust fans on the corresponding sides in a control manner; four square sleeve frames are arranged, welded and fixed on the front supporting bedplate and the rear supporting bedplate at equal intervals, a charging seat is screwed and locked on the inner plane of the eight square sleeve frames, and an air inlet and an air outlet are symmetrically arranged on the vacant table boards at the front side and the rear side of the eight charging seats in a penetrating way; six water retaining cover supporting rods are symmetrically supported and welded on the spaced end face between the front row of square sleeve frames and the rear row of square sleeve frames, and the top frame is arranged at the top and fixed at the top ends of the six water retaining cover supporting rods; the whole top frame is rectangular, a middle supporting plate is transversely supported in the top frame, and a bevel water retaining cover is welded at the top end of the top frame in a supporting mode; four groups of Chinese character 'shan' shaped hanging frames are equidistantly supported and hung at the bottom of the top frame, and four hanging rods on the left and right outer sides of each Chinese character 'shan' shaped hanging frame are all in threaded locking connection with a vertically downward supporting sliding shaft; the whole filter screen bracket is rectangular, a baffle plate is vertically welded at the rear end of the filter screen bracket, two drawing spaces are formed between rectangular frames of the two filter screen brackets and a top plate of a groove at the bottom of the H-shaped ventilating cylinder in a supporting mode at intervals, and the two dust filter screens are pushed and slid inside the two drawing spaces and are limited to abut against the two baffle plates at the rear ends of the two filter screen brackets; a prescription-shaped rubber gasket is adhered to the wall edge of the opening at the bottom of each sleeve cover; a layer of rubber pad is adhered to the inner side pressing end faces of the two H-shaped side cover plates; each support sliding shaft is sleeved with a spring, the spring is compressed and clamped between the sliding sleeve and the outer suspender of the E-shaped hanging bracket, and then the rebound jacking sliding linkage lower sleeve covers of the two springs slide downwards along the two support sliding shafts and are correspondingly inserted downwards into a prescription-shaped sleeve frame to seal and cover the interphone which is inserted and supported on the charging seat; the middle position of the bottom of the mounting table board is welded with and hung with the H-shaped ventilating duct, the top end openings of the front and rear vertical air guide grooves of the H-shaped ventilating duct are in butt joint communication with the front and rear rows of air inlets, and two filter screen brackets are symmetrically embedded and welded at the front and rear ends of the groove at the bottom of the H-shaped ventilating duct; two long strip-shaped air suction grooves are symmetrically hung and welded at the bottoms of the two support tables, the two air suction grooves are in butt joint communication with the front and rear rows of exhaust ports, and five exhaust fans are locked on bottom plates of the two air suction grooves at equal intervals by threads; four positioning ear plates are symmetrically supported at the bottom positions of the inner sides of the left end and the right end of the two supporting bedplate, a jacking bolt penetrates through the four positioning ear plates in a threaded manner, the four positioning ear plates are opposite to the front parts of the two H-shaped side cover plates in pairs in a left-right corresponding manner, and the two H-shaped side cover plates are arranged on openings at the left end and the right end of the H-shaped ventilating cylinder in a pressing and sealing manner under the locking and jacking of the jacking bolts at the four positions; two air inlets are symmetrically formed in the left end and the right end of a groove top plate at the bottom of the H-shaped ventilating duct, the two air inlets correspond to the two filter screen brackets up and down, three locking bolts penetrate through four bottoms of supporting plates on two sides of the two filter screen brackets at equal intervals, and then two dust filter screens are pressed and plugged on the two air inlets under the tightening of the threads of the six locking bolts.

2. A charging stand structure for a coal mine communication intercom according to claim 1, wherein: the whole upright rectangle transparent plastic setting of oversheath, and the support welding has a handle on its top terminal surface, and the upper portion position symmetry welding of lateral wall has two sliding sleeves about it, eight oversheath through it about sliding sleeve slip cover insert rather than control on the corresponding two support sliding shaft.

3. A charging stand structure for a coal mine communication intercom according to claim 1, wherein: two groups of supporting and placing plates are symmetrically supported on the left side and the right side of the vertical air guide groove bottom plates at the front part and the rear part of the H-shaped ventilating duct, and the two H-shaped side cover plates are used for placing and supporting the top ends of the left group of supporting and placing plates and the right group of supporting and placing plates.

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