CN209824234U - Dampproofing structure of colliery borehole operation electromechanical device - Google Patents
Dampproofing structure of colliery borehole operation electromechanical device Download PDFInfo
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- CN209824234U CN209824234U CN201920324290.3U CN201920324290U CN209824234U CN 209824234 U CN209824234 U CN 209824234U CN 201920324290 U CN201920324290 U CN 201920324290U CN 209824234 U CN209824234 U CN 209824234U
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Abstract
The utility model discloses a colliery borehole operation electromechanical device dampproofing structure, including dampproofing box, the top of dampproofing box is the lid, the lower extreme of dampproofing box is equipped with the mount pad, the inside of dampproofing box is the circuit board, the circuit board passes through inside the bolt fastening dampproofing box, the whole outer wall of circuit board is provided with waterproof membrane layer, be provided with the bar hole on the bottom plate of dampproofing box, the bottom plate of dampproofing box is run through in the bar hole, the quantity in bar hole is three, be provided with the guide plate on the bottom plate of dampproofing box, the both sides in each bar hole use its vertical axis to set up the guide plate as central symmetry respectively, and the quantity of guide plate is six altogether, the upper end both sides hole edge in each bar hole all. The guide plate and the strip-shaped holes can guide the water drops to be discharged, the waterproof performance of the circuit board is improved, and the effect of sealing and preventing water on the circuit board inside the moisture-proof box is further improved.
Description
Technical Field
The utility model relates to a colliery borehole operation technical field specifically is a colliery borehole operation electromechanical device dampproofing structure.
Background
In the coal mine underground operation, some electromechanical equipment is needed, a heading machine is a common one, the heading machine is connected to a power distribution cabinet through a wire in the using process to realize the power supply and operation of the heading machine equipment, a circuit board is needed to be used in the operation of the heading machine, however,
1. the existing circuit board is usually directly exposed and installed on a power distribution cabinet, the outer wall surface of the circuit board generally does not have a waterproof film layer structure, water vapor is formed in the power distribution cabinet due to the difference of internal and external temperatures, water drops are formed after accumulation and attached to the outer wall surface of the circuit board, electronic elements on the circuit board are easily affected with damp and short circuits, and the waterproof performance of the circuit board is poor;
2. in addition, some places may be provided with the circuit board to be installed in a box body, so as to prevent the circuit board from being exposed, however, the box body is usually locked and fixed through a screw hole and a screwdriver tool and a box cover, the mode needs to rotate screws, is troublesome and inconvenient, and most box bodies also do not have a double-layer waterproof plate structure, so that the whole sealing and waterproof performance of the circuit board cannot be further improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a colliery borehole operation electromechanical device dampproofing structure to solve the lower problem of holistic sealing and waterproof nature behind the relatively poor, lid of waterproof performance of the circuit board that prior art exists and the installation of dampproofing box.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a colliery borehole operation electromechanical device dampproofing structure, includes dampproofing box, the top of dampproofing box is the lid, the lower extreme of dampproofing box is equipped with the mount pad, the inside of dampproofing box is the circuit board, inside the circuit board passes through the bolt fastening dampproofing box, the whole outer wall of circuit board is provided with waterproof membrane layer, be provided with the bar hole on the bottom plate of dampproofing box, the bar hole runs through the bottom plate of dampproofing box, the quantity in bar hole is three, be provided with the guide plate on the bottom plate of dampproofing box, the both sides in each bar hole use its vertical axis to set up the guide plate as central symmetry respectively to the quantity of guide plate is six altogether, the upper end both sides hole edge in each bar hole all is connected with the guide plate.
Preferably, the waterproof film layer is an FEP perfluoroethylene propylene copolymer.
Preferably, one end of the box cover is provided with a first waterproof board and a second waterproof board respectively, one end of the moisture-proof box is provided with a first waterproof groove and a second waterproof groove respectively, the first waterproof groove is connected with the first waterproof board in an inserting mode, and the second waterproof groove is connected with the second waterproof board in an inserting mode.
Preferably, one end of the box cover is provided with a sealing gasket.
Preferably, stepped holes are symmetrically formed in two ends of the moisture-proof box, bolts are inserted into the stepped holes in a sliding mode, clamping grooves are formed in the first waterproof board and are connected with the bolts in a clamping mode, and springs are arranged between the stepped holes and the bolts.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the waterproof performance of the whole outer wall surface of the circuit board is effectively guaranteed through the waterproof membrane layer, the guide plate and the strip-shaped hole structure, water drops are formed after accumulation of water vapor formed by the difference between the internal temperature and the external temperature on the outer wall surface of the waterproof membrane layer, the water drops can slide on the outer wall surface of the smooth waterproof membrane layer and drip on the guide plate, and the water drops can be guided and discharged through the inclined guide plate and the strip-shaped hole, so that the waterproof performance of the circuit board is integrally improved;
2. through spring joint compact structure and double-deck waterproof board structure, realized lid and dampproofing box make things convenient for the joint installation back to realize sealed waterproof to the circuit board is whole, further improved and played sealed waterproof effect to the inside circuit board of dampproofing box.
Drawings
FIG. 1 is a sectional view of the whole structure of the present invention;
FIG. 2 is a top view of the distribution of the flow-guiding plates and the strip-shaped holes of the present invention;
fig. 3 is a partially enlarged cross-sectional view of a portion a of the present invention.
Fig. 4 is a schematic bottom view of the double-layer waterproof board structure of the present invention.
In the figure: the waterproof box comprises a damp-proof box 1, a box cover 2, a sealing gasket 21, a second waterproof plate 22, a second waterproof groove 23, a first waterproof plate 24, a first waterproof groove 25, a clamping groove 26, a stepped hole 27, a bolt 28, a spring 29, a mounting seat 3, a circuit board 4, a waterproof film 41, a strip-shaped hole 5, a guide plate 51 and a bolt 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a dampproof structure of electromechanical equipment for underground coal mine operation comprises a dampproof box 1, the dampproof box 1 is a cuboid box body which is integrally formed by bending and welding sheet metal plates, the interior of the dampproof box is a cavity, the sheet metal plates are made of common sheet metal parts, the rectangle box body is easy to bend and process and low in cost, a box cover 2 is arranged above the dampproof box 1, the box cover 2 is consistent with the dampproof box 1 in material, a mounting seat 3 is arranged at the lower end of the dampproof box 1, the mounting seat 3 is made of standard section steel parts, batch production can be realized, the practicability is good, the processing cost is low, the dampproof box is matched and clamped with a mounting guide rail in an electromechanical equipment power distribution cabinet, the mounting guide rail is a standard part, the cross section of the mounting seat 3 is matched and clamped, the installation is convenient, a circuit board 4 is arranged inside the dampproof box 1, the circuit board 4 is, the circuit board 4 is fixed on the bottom plate of the moisture-proof box 1 through the bolt 6, the whole outer wall surface of the circuit board 4 is provided with the waterproof film layer 41, the bottom plate of the moisture-proof box 1 is provided with the strip-shaped holes 5, the strip-shaped holes 5 penetrate through the bottom plate of the moisture-proof box 1, the bottom plate of the moisture-proof box 1 is provided with the guide plates 51, two sides of each strip-shaped hole 5 are respectively symmetrically provided with the guide plates 51 by taking the vertical central axis thereof as the center, the number of the guide plates 51 is six, the hole edges at two sides of the upper end of each strip-shaped hole 5 are both connected with the guide plates 51, the waterproof film layer 41 is a film made of FEP perfluoroethylene propylene copolymer, the waterproof film has good extensibility, thermoplasticity and waterproof performance, the cost is low, the operation is convenient, the application range is wide, the waterproof film layer 41, the model of the hot air blower is BGO-20A-16-F, which is a handheld hot air blower, the temperature value of blown hot air can be adjusted, the temperature of the waterproof membrane layer 41 which is heated and contracted is generally about 25 ℃, the temperature can not damage the circuit board 4 and electronic elements thereof, the waterproof membrane layer 41 is heated and contracts to wholly coat and contract the circuit board 4, the coating can not fall off, then the coating is fixed on a screw hole on the bottom plate of the moisture-proof box 1 through a bolt 6, at the moment, if water vapor is formed in the power distribution cabinet due to the difference of internal and external temperatures, the water vapor is accumulated to form water beads and attached to the outer wall surface of the waterproof membrane layer 41, the membrane surface of the waterproof membrane layer 41 is smooth, the water beads flow along the waterproof membrane layer 41 and drop downwards onto a guide plate 51 at the lower end through gravity, the obliquely designed guide plate 51 can guide the water beads to the strip-shaped hole 5 and discharge, the waterproof performance of the circuit board 4 is improved as a whole.
Referring to fig. 1 and 3, a first waterproof plate 24 and a second waterproof plate 22 are respectively arranged at the lower end of the box cover 2, a first waterproof groove 25 and a second waterproof groove 23 are respectively arranged at the upper end of the moisture-proof box 1, the first waterproof groove 25 is inserted into the first waterproof plate 24, the second waterproof groove 23 is inserted into the second waterproof plate 22, referring to fig. 4, the first waterproof plate 24 and the second waterproof plate 22 are arranged around the box cover 2 in a circle, the first waterproof groove 25 and the second waterproof groove 23 are also arranged in a matching manner to achieve a sealing and waterproof effect, a sealing gasket 21 is arranged at the lower end of the box cover 2, stepped holes 27 are symmetrically arranged at two ends of the moisture-proof box 1, bolts 28 are inserted into the stepped holes 27 in a sliding manner, a clamping groove 26 is arranged on the first waterproof plate 24, the clamping groove 26 is clamped with the bolts 28, a spring 29 is arranged between the stepped holes 27 and the bolts 28, and the bolts 28 at two sides are reversely translated and withdrawn into the stepped, at this moment, the spring 29 is stretched and deformed, then cover the lid 2 downwards at the upper end of the dampproof box 1, and press down the lid 2 downwards, first waterproof board 24 this moment, second waterproof board 22 inserts first waterproof groove 25 respectively, in the second waterproof groove 23, loosen bolt 28 after that, spring 29 drives the bolt 28 translation in opposite directions of both sides through pulling force, and go into draw-in groove 26, can be with convenient the installing on dampproof box 1 of lid 2, this moment because press down lid 2, the whole silicon rubber material offset plate that adopts of sealed pad 21, sealed pad 21 is extruded between lid 2 and dampproof box 1 and takes place deformation, and with gap and first waterproof groove 25 between them, the second waterproof groove 23 is filled, further improved and played sealed waterproof effect to the inside circuit board 4 of dampproof box 1.
The utility model discloses when concrete implementation: the waterproof film layer 41 is a film made of FEP perfluoroethylene propylene copolymer, and has good extensibility, thermoplasticity and waterproof performance, the waterproof film layer 41 is coated on the outer wall surface of the circuit board 4, and the whole waterproof film layer 41 is rapidly blown by a hot air blower, the waterproof film layer 41 is heated to shrink and integrally coat the circuit board 4, so that the coated film can not fall off, and then is fixed on a screw hole on the bottom plate of the moisture-proof box 1 through a bolt 6, at the moment, if water vapor is formed inside the power distribution cabinet due to the difference between the inside temperature and the outside temperature, water drops are formed after the water vapor is accumulated and are attached to the outer wall surface of the waterproof film layer 41, the film surface of the waterproof film layer 41 is smooth, the water drops flow along the waterproof film layer 41 and drop downwards onto the guide plate 51 at the lower end through gravity, the obliquely designed guide plate 51 can guide the water drops to, the waterproof performance of the circuit board 4 is improved as a whole, and in addition, the bolts 28 on both sides are reversely translated and withdrawn into the stepped holes 27, at this time, the springs 29 are stretched and deformed, then the box cover 2 is covered on the upper end of the damp-proof box 1 downwards, and the box cover 2 is pressed downwards, at the moment, the first waterproof board 24 and the second waterproof board 22 are respectively inserted into the first waterproof groove 25 and the second waterproof groove 23, then the bolt 28 is released, the spring 29 drives the bolts 28 at the two sides to translate towards each other through the pulling force, and the bolts are clamped into the clamping grooves 26, the box cover 2 can be conveniently arranged on the moisture-proof box 1, at the moment, because the box cover 2 is pressed downwards, the whole sealing gasket 21 adopts a high-elasticity silicon rubber plate, the sealing gasket 21 is extruded between the box cover 2 and the moisture-proof box 1 to generate deformation, and the gaps between the first waterproof groove and the second waterproof groove and the first waterproof groove 25 and the second waterproof groove 23 are filled, so that the function of sealing and waterproofing the circuit board 4 in the moisture-proof box 1 is further improved.
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 (5)
1. The utility model provides a colliery borehole operation electromechanical device dampproofing structure, includes dampproofing box (1), its characterized in that: a box cover (2) is arranged above the moisture-proof box (1), a mounting seat (3) is arranged at the lower end of the moisture-proof box (1), the interior of the moisture-proof box (1) is provided with a circuit board (4), the circuit board (4) is fixed in the moisture-proof box (1) through a bolt (6), the whole outer wall surface of the circuit board (4) is provided with a waterproof film layer (41), a strip-shaped hole (5) is arranged on the bottom plate of the moisture-proof box (1), the strip-shaped hole (5) penetrates through the bottom plate of the moisture-proof box (1), the number of the strip-shaped holes (5) is three, a guide plate (51) is arranged on the bottom plate of the moisture-proof box (1), the two sides of each strip-shaped hole (5) are respectively and symmetrically provided with a guide plate (51) by taking the vertical central axis thereof as the center, the number of the guide plates (51) is six, and the hole edges on the two sides of the upper end of each strip-shaped hole (5) are connected with the guide plates (51).
2. The coal mine underground operation electromechanical device dampproof structure according to claim 1, characterized in that: the waterproof film layer (41) is made of FEP perfluoroethylene propylene copolymer.
3. The coal mine underground operation electromechanical device dampproof structure according to claim 1, characterized in that: one end of the box cover (2) is provided with a first waterproof board (24) and a second waterproof board (22) respectively, one end of the moisture-proof box (1) is provided with a first waterproof groove (25) and a second waterproof groove (23) respectively, the first waterproof groove (25) is spliced with the first waterproof board (24), and the second waterproof groove (23) is spliced with the second waterproof board (22).
4. The coal mine underground operation electromechanical device dampproof structure according to claim 3, characterized in that: one end of the box cover (2) is provided with a sealing gasket (21).
5. The coal mine underground operation electromechanical device dampproof structure according to claim 3, characterized in that: stepped holes (27) are symmetrically formed in two ends of the moisture-proof box (1), a bolt (28) is inserted in the stepped holes (27) in a sliding mode, a clamping groove (26) is formed in the first waterproof plate (24), the clamping groove (26) is connected with the bolt (28) in a clamping mode, and a spring (29) is arranged between the stepped holes (27) and the bolt (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920324290.3U CN209824234U (en) | 2019-03-14 | 2019-03-14 | Dampproofing structure of colliery borehole operation electromechanical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920324290.3U CN209824234U (en) | 2019-03-14 | 2019-03-14 | Dampproofing structure of colliery borehole operation electromechanical device |
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| Publication Number | Publication Date |
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| CN209824234U true CN209824234U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920324290.3U Active CN209824234U (en) | 2019-03-14 | 2019-03-14 | Dampproofing structure of colliery borehole operation electromechanical device |
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| CN (1) | CN209824234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112689406A (en) * | 2020-03-02 | 2021-04-20 | 李建京 | Rubber opening and closing structure and method |
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2019
- 2019-03-14 CN CN201920324290.3U patent/CN209824234U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112689406A (en) * | 2020-03-02 | 2021-04-20 | 李建京 | Rubber opening and closing structure and method |
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