CN201174634Y - Micro explosion-proof motor modified by common micro motor - Google Patents
Micro explosion-proof motor modified by common micro motor Download PDFInfo
- Publication number
- CN201174634Y CN201174634Y CNU2008200332420U CN200820033242U CN201174634Y CN 201174634 Y CN201174634 Y CN 201174634Y CN U2008200332420 U CNU2008200332420 U CN U2008200332420U CN 200820033242 U CN200820033242 U CN 200820033242U CN 201174634 Y CN201174634 Y CN 201174634Y
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- Prior art keywords
- motor
- end cap
- shell
- sealing ring
- common
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000004880 explosion Methods 0.000 claims description 23
- 238000000926 separation method Methods 0.000 claims description 13
- 230000002035 prolonged effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000002407 reforming Methods 0.000 abstract 1
- 239000002360 explosive Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
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- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides a miniature flameproof motor formed by reforming a common micro-motor. A rotating shaft (2) of the common micro-motor (1) is sleeved with a shaft sleeve (7); a connecting flange (15) is fixed on a speed reducer part (4) of the common micro-motor through a fixing screw (13), and is fixed with an end cover (9); the shaft sleeve passes through a shaft hole on the end cover; the shaft sleeve and an inlaid sleeve (8) inlaid in the shaft hole are a pair of flameproof joint faces; an explosion-proof cable (18) is electrically connected with a motor part (5) and then passes through a hole at the back end of the a shell; a sealing ring (16) and a compression element (17) cover and clamp the cable; a spigot structure on the end cover and the front end of the shell form a spigot flameproof joint face (II), and a sealing ring (11) is placed between the end cover and the shell; and a connecting screw (10) fastens the end cover with the shell. Therefore, the common micro-motor is reformed into the miniature flameproof motor.
Description
Affiliated technical field
The utility model relates to a kind of miniature explosion separation motor that is transformed into by common micromachine, belongs to the flame proof technical field, is particularly useful for the mini-plant under the coal mine, also is applicable to the mini-plant in other explosive gas atmosphere.
Background technology
In explosive gas atmosphere, as contain under the coal mine of damps such as gas, and some oil, chemical field, the motor of use must be a fire-proof motor, otherwise has the danger that sets off an explosion.At present, use the motor in explosive gas atmosphere mostly to be flame-proof type synchronous machine or threephase asynchronous machine.Some use mini-plant in explosive gas atmosphere need use the little micromachine of low power, volume, weight as power source, this micromachine mostly is minisize dc reducing motor and the stepping motor that partly is made of motor part and decelerator, need use the small-sized DC reducing motor with explosion insulation performance as the drive motors of environment exploring robot after the disaster under the coal mine.Explosion separation motor on the market mostly is the power height, and volume, the explosion separation motor that weight is big are not suitable for mini-plant and use; The design that has proposed low power explosion separation motor in some patent documentations is also arranged, as patent: 200420037737.2, provide a kind of electrical micro-machine explosion-proof driver, but only be used to control the open and close of ball valve, do not have versatility; Patent: 88217779.6, propose a kind of design of flame-proof type low-power machine, but on market, do not seen the product that utilizes this patented technology.And the micro-machine that is applicable to mini-plant mostly is common electric machine, can't directly use in explosive gas atmosphere.Therefore, the problem that lacks small-sized explosion separation motor has restricted the development of the middle-size and small-size equipment of explosive gas atmosphere to a certain extent.
The utility model content
The purpose of this utility model is in order to solve the flame proof problem of micromachine, a kind of miniature explosion separation motor that is transformed into by common micromachine is provided, promptly do not change original electric property of common micromachine, solved the flame proof problem of motor again, can in explosive gas atmosphere, use.
The technical scheme that its technical problem that solves the utility model adopts is:
The utility model comprises the common micromachine that is made of decelerator and motor, in the rotating shaft of above-mentioned common micromachine suit axle sleeve, machine shaft is prolonged.Mounting flange utilizes hold-down screw to be fixed on the decelerator part of common micromachine, and the periphery of mounting flange is provided with a plurality of connecting through hole, the through hole that joint bolt passes on the periphery of mounting flange connects with the tapped blind hole of end cap inboard, and mounting flange is connected firmly in the end cap inboard; End cap is provided with axis hole, is inlaid with mosaic set in the axis hole, and this mosaic set and axis hole are interference fit, is matched in clearance and is a pair of flameproof joint with the axle sleeve that passes; Fixing structure on the end cap and shell front end form the seam flameproof joint, and have placed sealing ring between end cap and shell, and joint bolt connects end cap with shell; The outside of end cap is provided with a plurality of tapped blind holes, forms connecting flange, and is provided with the location convex.Outer casing back is provided with counterbore, and outer section of counterbore is provided with internal thread, and the counterbore bottom is provided with sealing ring, the internal thread of counterbore and the engagement of the external screw thread on the clamping element, and sealing ring and clamping element are equipped with the centre bore that passes for anti-explosion cable.
Adopt above technical scheme, common micromachine is fixed in the flame proof cavity that is made of end cap, housing, sealing ring and clamping element, rotating shaft forms flameproof joint through prolonging with the end-cover axle hole, also formed flameproof joint between end cap and housing, housing rear end, sealing ring and clamping element have constituted the cable entry of flame proof, and therefore common micromachine is transformed into the micromachine of flame proof.Because of being provided with a plurality of tapped blind holes in the outside of end cap, form connecting flange, and be provided with the location convex, install when easy to use.
Adopt above-mentioned scheme, can reach following 2 beneficial effects: 1, common micromachine is transformed into miniature explosion separation motor; 2, do not change the original electric property of micromachine, only changed overall dimension, installation dimension and the weight of motor.Can select for use according to the electric property parameter that producer provides when selecting motor for use, installation dimension is determined according to the installation dimension of improved motor.Improved miniature explosion separation motor can be applicable to the mini-plant that some use under explosive gas atmosphere.
Description of drawings
Fig. 1 is a kind of three-dimensional structure diagram of common micromachine;
Fig. 2 is the structure chart of the utility model embodiment;
Fig. 3 is a left view embodiment illustrated in fig. 2;
Among the figure: the common micromachine 2-of 1-rotating shaft 3-screw 4-decelerator part 5-motor part 6-binding post 7-axle sleeve 8-mosaic set 9-end cap 10-joint bolt 11-sealing ring 12-shell 13-hold-down screw 14-joint bolt 15-mounting flange 16-sealing ring 17-clamping element 18-anti-explosion cable 19-tapped blind hole
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a kind of three-dimensional structure diagram of common micromachine, motor part 5 and decelerator part 4 have constituted this common micromachine 1, motor part 5 rear ends are provided with binding post 6, decelerator part 4 front ends are provided with screw 3, rotating shaft 2 is stretched out from decelerator part 4 front ends, and this common micromachine 1 does not have explosion insulation performance.Fig. 2,3 is the structure chart of the utility model embodiment, among the figure in the rotating shaft 2 of common micromachine 1 suit axle sleeve 7, and the cross sectional shape in the hole of this axle sleeve 7 is consistent with rotating shaft 2 front end cross sectional shapes, and both can closely be coupled as one, thereby rotating shaft 2 is prolonged.Mounting flange 15 utilizes hold-down screw 13 to be fixed on the decelerator part 4 of common micromachine, and the periphery of mounting flange 15 is provided with a plurality of connecting through hole, the connecting through hole that joint bolt 14 passes on the periphery of mounting flange 15 connects with the tapped blind hole of end cap 9 inboards, and mounting flange 15 is connected firmly in end cap 9 inboards; End cap 9 is provided with axis hole, is inlaid with mosaic set 8 in the axis hole, and this mosaic set 8 is an interference fit with axis hole, is matched in clearance and is a pair of flameproof joint I with the axle sleeve 7 that passes; Fixing structure on the end cap 9 and shell 12 front ends form seam flameproof joint II, and have placed sealing ring 11 between end cap 9 and shell 12, and joint bolt 10 connects end cap 9 with shell 12; Be provided with a plurality of tapped blind holes 19 in the outside of end cap 9, form connecting flange, and be provided with the location convex.Shell 12 rear ends are provided with counterbore, and outer section of counterbore is provided with thread segment, and the counterbore bottom is provided with sealing ring 16, the external screw thread engagement on the internal thread of counterbore and the clamping element 17, and sealing ring 16 is equipped with the centre bore that passes for anti-explosion cable with clamping element 17.
Common micromachine 1 is fixed in the flame proof cavity that is made of end cap 9, housing 12, sealing ring 16 and clamping element 17, and the axle sleeve 7 of rotating shaft 2 and the interior mosaic set 8 formation flameproof joints of end cap axis hole have also formed flameproof joint between end cap and housing; Housing rear end, sealing ring 16 and clamping element 17 have constituted the cable entry of flame proof, and therefore common micromachine is transformed into the micromachine of flame proof.During stube cable, after the binding post 6 of anti-explosion cable 18 and motor part 5 is electrically connected, pass the hole that sealing ring 16 and clamping element 17 are provided with, the internal thread of the counterbore that screws into outer casing back on the clamping element 17 is squeezed in sealing ring 16 bottom in hole, sealing ring 16 distortion clamp anti-explosion cable 18, and sealing ring 16 distortion clamp anti-explosion cable 18.The micromachine of this flame proof can be installed and used independently, is provided with tapped blind hole in the outside of end cap 9 and forms connecting flange for 19 groups, and as shown in Figure 3, the motor of being convenient to improved flame-proof type installs and fixes.
The motor part of above-mentioned micromachine, its power is not more than 250w, and operating current is not more than 5A.Above-mentioned shell 12, end cap 9 can be made by light-alloy or flame retardant plastics that steel, cast iron, magnesium content are not more than 6% (weight ratio), and above-mentioned axis hole mosaic set 8 adopts no-spark materials (as brass) to make.Above-mentioned flame proof faying face all meets the requirement of corresponding explosion-proof criteria.
Can select for use according to the electric property parameter that producer provides when selecting motor for use, installation dimension is determined according to the installation dimension of improved motor.Improved miniature explosion separation motor can be fit to some mini-plants that use under explosive gas atmosphere uses as power source.
Claims (3)
1, a kind of miniature explosion separation motor that is transformed into by common micromachine, comprise common micromachine (1), shell (12) and end cap (9), axle sleeve (7) have been gone up suit in rotating shaft (2) in common micromachine (1), machine shaft (2) is prolonged, it is characterized in that: mounting flange (15) utilizes hold-down screw (13) to be fixed on the decelerator part (4) of common micromachine, and the periphery of mounting flange (15) is provided with a plurality of connecting through hole, the inboard tapped blind hole of connecting through hole and end cap (9) that joint bolt (14) passes on the periphery of mounting flange (15) connects, and mounting flange (15) is connected firmly in end cap (9) inboard; End cap (9) is provided with axis hole, is inlaid with mosaic set (8) in the axis hole, and this mosaic set (8) is an interference fit with axis hole, is matched in clearance and is a pair of flameproof joint (I) with the axle sleeve that passes (7); Fixing structure on the end cap (9) and shell (12) front end form seam flameproof joint (II), and have placed sealing ring (11) between end cap (9) and shell (12), and joint bolt (10) connects end cap (9) with shell (12); Shell (12) rear end is provided with counterbore, outer section of counterbore is provided with thread segment, the counterbore bottom is provided with sealing ring (16), the external screw thread engagement on the internal thread of counterbore and the clamping element (17), and sealing ring (16) is equipped with the centre bore that passes for anti-explosion cable with clamping element (17).
2, the miniature explosion separation motor that is transformed into by common micromachine according to claim 1 is characterized in that: be provided with a plurality of tapped blind holes (19) in the outside of end cap (9), form connecting flange, and be provided with the location convex.
3, the miniature explosion separation motor that is transformed into by common micromachine according to claim 1 is characterized in that: mosaic set (8) adopts the no-spark material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200332420U CN201174634Y (en) | 2008-03-18 | 2008-03-18 | Micro explosion-proof motor modified by common micro motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200332420U CN201174634Y (en) | 2008-03-18 | 2008-03-18 | Micro explosion-proof motor modified by common micro motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201174634Y true CN201174634Y (en) | 2008-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200332420U Expired - Fee Related CN201174634Y (en) | 2008-03-18 | 2008-03-18 | Micro explosion-proof motor modified by common micro motor |
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| Country | Link |
|---|---|
| CN (1) | CN201174634Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319941A (en) * | 2014-10-20 | 2015-01-28 | 中国矿业大学 | Explosion-proof power box with contrary function that ends |
| CN105465332A (en) * | 2015-12-28 | 2016-04-06 | 温州合力自动化仪表有限公司 | Small-scale anti-explosion actuator |
| CN107756410A (en) * | 2017-09-07 | 2018-03-06 | 石化盈科信息技术有限责任公司 | Explosion prevention robot transmission device |
| WO2020126895A1 (en) * | 2018-12-20 | 2020-06-25 | Nabors Lux 2 Sarl | Ex certified robotic system with enhanced corrosion resistance |
| CN113421739A (en) * | 2021-06-23 | 2021-09-21 | 上海巨良电磁阀制造有限公司 | Electromagnetic coil explosion-proof shell with protection grade IP65 and highest surface temperature T6 |
| US11578565B2 (en) | 2018-12-20 | 2023-02-14 | Canrig Robotic Technologies As | Ex certified robotic system with enhanced corrosion resistance |
-
2008
- 2008-03-18 CN CNU2008200332420U patent/CN201174634Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319941A (en) * | 2014-10-20 | 2015-01-28 | 中国矿业大学 | Explosion-proof power box with contrary function that ends |
| CN105465332A (en) * | 2015-12-28 | 2016-04-06 | 温州合力自动化仪表有限公司 | Small-scale anti-explosion actuator |
| CN105465332B (en) * | 2015-12-28 | 2018-06-22 | 温州合力自动化仪表有限公司 | Small anti-explosion actuator |
| CN107756410A (en) * | 2017-09-07 | 2018-03-06 | 石化盈科信息技术有限责任公司 | Explosion prevention robot transmission device |
| US11457538B2 (en) | 2018-12-20 | 2022-09-27 | Canrig Robotic Technologies As | EX certified robotic system with enhanced corrosion resistance |
| GB2592801A (en) * | 2018-12-20 | 2021-09-08 | Canrig Robotic Technologies As | EX certified robotic system with enhanced corrosion resistance |
| CN113423918A (en) * | 2018-12-20 | 2021-09-21 | 坎里格机器人技术有限公司 | EX-certified compliant robotic system with enhanced corrosion resistance |
| WO2020126895A1 (en) * | 2018-12-20 | 2020-06-25 | Nabors Lux 2 Sarl | Ex certified robotic system with enhanced corrosion resistance |
| GB2592801B (en) * | 2018-12-20 | 2022-10-05 | Canrig Robotic Technologies As | EX certified robotic system with enhanced corrosion resistance |
| US11578565B2 (en) | 2018-12-20 | 2023-02-14 | Canrig Robotic Technologies As | Ex certified robotic system with enhanced corrosion resistance |
| CN113423918B (en) * | 2018-12-20 | 2023-07-25 | 坎里格机器人技术有限公司 | EX-certified robotic system with enhanced corrosion resistance |
| CN113421739A (en) * | 2021-06-23 | 2021-09-21 | 上海巨良电磁阀制造有限公司 | Electromagnetic coil explosion-proof shell with protection grade IP65 and highest surface temperature T6 |
| CN113421739B (en) * | 2021-06-23 | 2022-08-19 | 上海巨良电磁阀制造有限公司 | Electromagnetic coil explosion-proof shell with protection grade IP65 and highest surface temperature T6 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20110318 |