CN204883397U - Explosion -proofly hinder rotating material level control ware - Google Patents

Explosion -proofly hinder rotating material level control ware Download PDF

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Publication number
CN204883397U
CN204883397U CN201520388589.7U CN201520388589U CN204883397U CN 204883397 U CN204883397 U CN 204883397U CN 201520388589 U CN201520388589 U CN 201520388589U CN 204883397 U CN204883397 U CN 204883397U
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axle sleeve
motor
coupling piece
shaft coupling
bayonet socket
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CN201520388589.7U
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Chinese (zh)
Inventor
陈怡因
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EMA ELECTRONICS Ltd
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EMA ELECTRONICS Ltd
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Abstract

The utility model discloses an explosion -proofly hinder rotating material level control ware, including casing, motor module, axle sleeve mechanism and detection blade, technical scheme's beneficial effect lies in more than adopting: the upper cover and the main casing body pass through introducing device entering casing inside and are connected with control circuit through threaded connection, cable conductor, the motor module includes motor and control circuit board, and the motor drives the pivot and rotates with the blade, rotates through the stationary blade that links together with the motor and stirs two micro -gap switch that locate on the circuit board and come the output signal, comes the detection whether to have the material according to this, axle sleeve mechanism includes, axle sleeve, connecting piece, bearing and oil blanket, and axle sleeve one end is connected with the pivot, and one end is passed through the screw thread and is connected with the casing, detect the blade, including pivot and blade, the motor rotation is passed through in the pivot will move the transmission for the blade. The utility model discloses an upper cover with casing threaded connection, and axle sleeve mechanism with the threaded connection of casing can play the flame proof effect, be applicable to high temperature, high pressure, corrode by force, many dust and easily fire, in the environment such as explosive gas and flammable dust.

Description

Explosion-proof blocking rotary type charge level controller
Technical field
The utility model relates to a kind of level meter technical field of instrument and meter industry, particularly the explosion-proof blocking rotary type charge level controller of one.
Background technology
Blocking rotary type charge level controller is widely used in modern industry production run, is used for detecting the powdery of open container and granular material or controlling.Commercially we can see the charge level controller of different modeling, mostly its principle is to adopt ac micro motor after slowing down, rotate at a slow speed with moving vane, when the material level rising of tested material makes the rotation of blade be subject to stopping, make it stop operating with regard to the power supply cutting off motor.As long as the material level in feed bin is constant, this state is just kept always; Material level declines, and when blade loses stop, charge level controller just recovers original state.
More complicated in traditional charge level controller structure, fault occurrence frequency is higher, and keep in repair more difficult, standardization level is not high; And axial length is fixed, when detecting the operation of different depth, often needing the charge level controller of multiple specification, causing the waste with cost of overstocking of stock.Meanwhile, the use of some high temperature, high pressure, strong erosion, many dust and the environment such as inflammable, explosive gas and combustible dust cannot be met.
Utility model content
The purpose of this utility model is exactly for the problems referred to above, and provide a kind of explosion-proof blocking rotary type charge level controller, not only structure is simple, safety and precise, readily removablely easily to repair, and can the length of countershaft quickly and easily regulate, to be adapted to the detection operation of the material level of differing heights.Can work under inflammable and explosive hazardous environment again simultaneously.
For achieving the above object, the technical solution of the utility model is:
A kind of explosion-proof blocking rotary type charge level controller, comprise housing, motor module, axle sleeve mechanism and detect blade, described detection blade comprises rotating shaft and is installed in the blade in rotating shaft;
Described motor module comprises motor and control circuit, described control circuit is also provided with two microswitches;
Described housing comprises upper cover and main casing and cable entry, and upper cover and main casing detachably mate connection, and cable entry is used for external cable line to be connected with the control circuit of enclosure interior;
Described motor-driven is connected with a rotating shaft, described blades installation in described rotating shaft, driven by motor rotating shaft and blade rotary, whether stir by the rotation of described blade two microswitches be located on circuit board and carry out output signal, detecting according to this has material;
Described axle sleeve mechanism is connected with main casing by screw thread, and described rotating shaft one end is connected with described motor-driven through described axle sleeve mechanism, and the other end is connected with described blade.
Further, described motor module also comprises:
Torsion spring;
And there is the circuit board of at least one bayonet socket in the first bayonet socket, the second bayonet socket, the 3rd bayonet socket;
Stator;
One end of described torsion spring is connected and fixed sheet, and the other end connects the first bayonet socket, the second bayonet socket or the 3rd bayonet socket; One end of torsion spring connecting circuit board can switch in the first bayonet socket, the second bayonet socket and the 3rd bayonet socket, and by changing in different bayonet socket inscribe, torsion spring provides different resistances to motor;
A/C;
Motor is fixedly installed on stator, and circuit board to be spirally connected with stator by A/C or bonding or buckle connects.
Further,
Described axle sleeve mechanism comprises axle sleeve and is arranged at shaft coupling piece group, shell fragment and at least two balls in described axle sleeve, and described shell fragment is located in described shaft coupling piece group, and described ball is arranged between described shell fragment and described shaft coupling piece group.
Further, between the upper cover of described housing and main casing, be provided with an O-ring seal, play the effect of dustproof and waterproof.
Further, circuit board is provided with two microswitch K1 and K2 at the two ends of catch, the button of K switch 2 is on the motion path of described catch, and described K switch 2 connection control is without the break-make of material signal output.
Further, described axle sleeve mechanism comprises axle sleeve, and the shaft coupling piece one, shaft coupling piece two, shell fragment and the ball that are arranged in this axle sleeve, this shell fragment is sheathed on shaft coupling piece one, described ball is arranged between shell fragment and shaft coupling piece one, wherein, shaft coupling piece two is placed on the rotor of motor module, shaft coupling piece one is placed on shaft coupling piece two, the outer wall that ball is all laid in shaft coupling piece one is arranged in the through hole that is opened on this outer wall, and then shell fragment is sheathed on shaft coupling piece one and ball; When motor mechanism rotates; its rotor there will be and rocks and occur departing from relative to axis; at this moment ball will be touched by shaft coupling piece two; after ball contact to its outer shell fragment; by the screen resilience of shell fragment, resilience is formed to rotor; make it get back on axis, just can realize protecting the rotating of motor module by this cooperation.
Further, described explosion-proof blocking rotary type charge level controller is provided with 2 flameproof joints, one of them adopts the face that is threadedly engaged to carry out flame proof for upper cover and housing body, it two is that axle sleeve and housing junction adopt O RunddichtringO to carry out flame proof with the mode being threadedly engaged face, the quality of fit being threadedly engaged face is 6H/6g, composition surface length L >=8mm, minimum joggle number >=5.
Further, described blade is rectangle, L shape or sickleshaped.
Further, described rotating shaft is continued access type, is provided with the continued access axle of identical or different length, removably connects between described continued access axle, is regulated the length of rotating shaft by the quantity adjusting the continued access axle linked together.
Adopt the beneficial effect of above technical scheme to be: upper cover and main casing are threaded connection, cable enters enclosure interior by introducing device and is connected with control circuit; Described motor module comprises motor and control circuit board, driven by motor rotating shaft and blade rotary, and whether rotate to stir by the stator linked together with motor two microswitches be located on circuit board and carry out output signal, detecting according to this has material; Described axle sleeve mechanism comprises, axle sleeve, web member, bearing and oil sealing, and axle sleeve one end is connected with rotating shaft, and one end is connected with housing by screw thread; Described detection blade, comprises rotating shaft and blade, and rotating shaft is rotated by motor and passes motion to blade.
The utility model is threaded with described housing by upper cover, and being threaded of described axle sleeve mechanism and described housing, flame proof effect can be played, be applicable in high temperature, high pressure, deep-etching, many dust and inflammable, the environment such as explosion hazard gases and combustible dust.
In addition, because rotating shaft of the present utility model can provide continued access type, have employed the pivot design that multistage is detachable, the axle continued access of different length can be selected, and then regulate the length of rotating shaft, the stock that existing way can not be caused to bring and cost wasting phenomenon.
Accompanying drawing explanation
Fig. 1 is the structural representation of the explosion-proof blocking rotary type charge level controller of the utility model.
Fig. 2 is the structural representation of the motor mechanism of the explosion-proof blocking rotary type charge level controller of the utility model.
Fig. 3 is the axle sleeve mechanism structure schematic diagram of the explosion-proof blocking rotary type charge level controller of the utility model.
Fig. 4 is the structural representation of the housing of the explosion-proof blocking rotary type charge level controller of the utility model.
Wherein, 1. housing 11. upper cover 12. main casing 13. O-ring seal 14. cable entry 15. O-ring seal 2. motor module 21. motor 22. A/C 23. stator 24.K125.K226. circuit board 261. first bayonet socket 262. second bayonet socket 263. the 3rd bayonet socket 27. torsion spring 3. axle sleeve mechanism 31. axle sleeve 32. O-ring seal 33. shaft coupling piece 1 shaft coupling piece 2 35. shell fragment 36. ball 37. bearing 38. oil sealing 4. detects blade 41. rotating shaft 42. blade.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
A kind of explosion-proof blocking rotary type charge level controller, comprise housing, motor module, axle sleeve mechanism and detect blade, described detection blade comprises rotating shaft and is installed in the blade in rotating shaft;
Described motor module comprises motor and control circuit, described control circuit is also provided with two microswitches;
Described housing comprises upper cover and main casing and cable entry, and upper cover and main casing detachably mate connection, and cable entry is used for external cable line to be connected with the control circuit of enclosure interior;
Described motor-driven connects described rotating shaft, described blades installation in described rotating shaft, driven by motor rotating shaft and blade rotary, whether stir by the rotation of described blade two microswitches be located on circuit board and carry out output signal, detecting according to this has material;
Described axle sleeve mechanism is connected with main casing by screw thread, and described rotating shaft one end is connected with described motor-driven through described axle sleeve mechanism, and the other end is connected with described blade.
Further, described motor module also comprises:
Torsion spring;
And there is the circuit board of at least one bayonet socket in the first bayonet socket, the second bayonet socket, the 3rd bayonet socket;
Stator;
One end of described torsion spring is connected and fixed sheet, and the other end connects the first bayonet socket, the second bayonet socket or the 3rd bayonet socket; One end of torsion spring connecting circuit board can switch in the first bayonet socket, the second bayonet socket and the 3rd bayonet socket, and by changing in different bayonet socket inscribe, torsion spring provides different resistances to motor;
A/C;
Motor is fixedly installed on stator, and circuit board to be spirally connected with stator by A/C or bonding or buckle connects.
Further,
Described axle sleeve mechanism comprises axle sleeve and is arranged at shaft coupling piece group, shell fragment and at least two balls in described axle sleeve, and described shell fragment is located in described shaft coupling piece group, and described ball is arranged between described shell fragment and described shaft coupling piece group.
Further, between the upper cover of described housing and main casing, be provided with an O-ring seal, play the effect of dustproof and waterproof.
Further, circuit board is provided with two microswitch K1 and K2 at the two ends of catch, the button of K switch 2 is on the motion path of described catch, and described K switch 2 connection control is without the break-make of material signal output.
Further, described axle sleeve mechanism comprises axle sleeve, and the shaft coupling piece one, shaft coupling piece two, shell fragment and the ball that are arranged in this axle sleeve, this shell fragment is sheathed on shaft coupling piece one, described ball is arranged between shell fragment and shaft coupling piece one, wherein, shaft coupling piece two is placed on the rotor of motor module, shaft coupling piece one is placed on shaft coupling piece two, the outer wall that ball is all laid in shaft coupling piece one is arranged in the through hole that is opened on this outer wall, and then shell fragment is sheathed on shaft coupling piece one and ball; When motor mechanism rotates; its rotor usually there will be and rocks and occur departing from relative to axis; at this moment ball will be touched by shaft coupling piece two; after ball contact to its outer shell fragment; by the screen resilience of shell fragment, resilience is formed to rotor; make it get back on axis, just can realize protecting the rotating of motor module by this cooperation.
Further, described explosion-proof blocking rotary type charge level controller is provided with 2 flameproof joints, one of them adopts the face that is threadedly engaged to carry out flame proof for upper cover and housing body, it two is that axle sleeve and housing junction adopt O RunddichtringO to carry out flame proof with the mode being threadedly engaged face, the quality of fit being threadedly engaged face is 6H/6g, composition surface length L >=8mm, minimum joggle number >=5.
Further, described blade is rectangle, L shape or sickleshaped.
Further, described rotating shaft is continued access type, is provided with the continued access axle of identical or different length, removably connects between described continued access axle, is regulated the length of rotating shaft by the quantity adjusting the continued access axle linked together.
Adopt the beneficial effect of above technical scheme to be: upper cover and main casing are threaded connection, cable enters enclosure interior by introducing device and is connected with control circuit; Described motor module comprises motor and control circuit board, driven by motor rotating shaft and blade rotary, and whether rotate to stir by the stator linked together with motor two microswitches be located on circuit board and carry out output signal, detecting according to this has material; Described axle sleeve mechanism comprises, axle sleeve, web member, bearing and oil sealing, and axle sleeve one end is connected with rotating shaft, and one end is connected with housing by screw thread; Described detection blade, comprises rotating shaft and blade, and rotating shaft is rotated by motor and passes motion to blade.
The utility model is threaded with described housing by upper cover, and being threaded of described axle sleeve mechanism and described housing, flame proof effect can be played, be applicable in high temperature, high pressure, deep-etching, many dust and inflammable, the environment such as explosion hazard gases and combustible dust.
In addition, because rotating shaft of the present utility model can provide continued access type, have employed the pivot design that multistage is detachable, the axle continued access of different length can be selected, and then regulate the length of rotating shaft, the stock that existing way can not be caused to bring and cost wasting phenomenon.
Some embodiments are in a particular application as shown in Fig. 1 to Fig. 4, and explosion-proof blocking rotary type charge level controller of the present utility model comprises housing 1, motor module 2, axle sleeve mechanism 3 and detects blade 4.Housing 1 is made up of upper cover 11, main casing 12., O-ring seal 13 and cable entry 14 and O-ring seal 15, upper cover 11 is threadably engaged face with main casing 12 and is connected flame proof, the quality of fit being threadedly engaged face is 6H/6g, composition surface length L >=8mm, minimum joggle number >=5, and establish O-ring seal 13 to play dustproof and waterproof effect; Motor module 2 to be installed in housing 1 and to be connected with axle sleeve mechanism 3, and axle sleeve mechanism 3 is threadably engaged face with housing 1 again and is connected flame proof, equally, the quality of fit being threadedly engaged face is 6H/6g, composition surface length L >=8mm, minimum joggle number >=5, and establish O-ring seal 32 to play dustproof and waterproof effect.Detection blade comprises rotating shaft 41 and blade 42, and one end of rotating shaft 41 is connected with motor through axle sleeve mechanism 3, the other end connects blade 42.Wherein, rotating shaft 41 and the connection of axle sleeve mechanism 3 can be by jump ring, dismountable mode such as be threaded, rotating shaft 41 and the connected mode of blade 42 can be by split pin, dismountable mode such as be threaded.Traditional rotating shaft 41 be connected between axle sleeve mechanism and blade 42 also can be made the axle that continues of the multisection type including two rotating shafts by this controller, it removably connects each other, like this when the detection operation of the material level in the face of different depth, can countershaft length regulate rapidly.
As shown in Figure 2, motor module 2 can comprise motor 21, torsion spring 27; And there is the circuit board 26 of the first bayonet socket 261, second bayonet socket 262 and the 3rd bayonet socket 263; One end of this torsion spring 27 is connected and fixed sheet 23, the other end connects the first bayonet socket 261, second bayonet socket 262 or the 3rd bayonet socket 263.Wherein, motor module 2 includes A/C 22 and stator 23, motor 21 is fixedly installed on dynamo-sheet 23, circuit board 26 can be connected with stator 23 by the mode be spirally connected, one end of torsion spring 27 can form crotch and catch on stator 23, its other end and also can form crotch and catch on the first bayonet socket 261, second bayonet socket 262 or the 3rd bayonet socket 263, certain torsion spring 27 also can form lasso and be connected and fixed sheet 23 and circuit board 26 by the mode of cover at its two ends, its connected mode is not limited to a kind of form of crotch.By regulating torsion spring 27, one end of torsion spring 27 connecting circuit board 26 can be driven can to switch in the first bayonet socket 261, second bayonet socket 262 and the 3rd bayonet socket 263, by changing in different bayonet socket inscribe, the resistance that torsion spring 27 pairs of motors 21 are different can be formed, and the first bayonet socket 261, second bayonet socket 262 and the 3rd bayonet socket 263 represent by force in the present embodiment respectively, in, the resistance of weak three ranks, thus adapt to the detection operation of the material of different specific weight.
The bayonet socket of above-mentioned circuit board 26 can also be set to two, four or more, job requirements more widely can be adapted to, we can make variation to the bayonet socket quantity of circuit board 26 according to actual needs, and the quantity of bayonet socket is not limited only to three of above citing.
As shown in Figure 3, axle sleeve mechanism 3 can comprise axle sleeve 31 and be arranged at shaft coupling piece 1, shaft coupling piece 2 34, shell fragment 35 and two balls 36 in this axle sleeve 31, this shell fragment 35 is sheathed on shaft coupling piece 1, and this ball 36 is arranged between shell fragment 35 and shaft coupling piece 1.Wherein, shaft coupling piece 2 34 is placed on the rotor of motor module 2, shaft coupling piece 1 is placed on shaft coupling piece two, the outer wall that ball 36 can be distributed in shaft coupling piece 1 is arranged in the through hole that is opened on this outer wall, and then is sheathed on shaft coupling piece 1 and ball 36 by shell fragment 35.When motor mechanism 2 rotates; its rotor usually there will be and rocks and occur departing from relative to axis; at this moment ball 36 will be touched by shaft coupling piece 2 34; after ball 36 touches its outer shell fragment 35; by the screen resilience of shell fragment 35, resilience is formed to rotor; make it get back on axis, just can realize protecting the rotating of motor module 2 by this cooperation.
The quantity of above-mentioned ball 36 can also be set to three, four or more, shell fragment 35 pairs of motor modules 2 can be coordinated to form closeer resilience force, can realize equally protecting the rotating of motor mechanism 2.
As shown in Figure 4, housing 1 can comprise upper cover 11 and main casing 12, is provided with an O-ring seal 13 between this upper cover 11 and main casing 12, specifically can also engaged through the thread connection.By arranging O-ring seal 13, housing 1 can be made to have the advantage of water proof and dust proof.
Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.

Claims (9)

1. an explosion-proof blocking rotary type charge level controller, is characterized in that, comprises housing, motor module, axle sleeve mechanism and detects blade,
Described motor module comprises motor and control circuit, described control circuit is also provided with two microswitches;
Described housing comprises upper cover and main casing and cable entry, and upper cover and main casing detachably mate connection, and cable entry is used for external cable line to be connected with the control circuit of enclosure interior;
Described motor-driven is connected with a rotating shaft, described blades installation in described rotating shaft, driven by motor rotating shaft and blade rotary, whether stir by the rotation of described blade two microswitches be located on circuit board and carry out output signal, detecting according to this has material;
Described axle sleeve mechanism is connected with main casing by screw thread, and described rotating shaft one end is connected with described motor-driven through described axle sleeve mechanism, and the other end is connected with described blade.
2. explosion-proof blocking rotary type charge level controller according to claim 1, is characterized in that, described motor module also comprises:
Torsion spring;
And there is the circuit board of at least one bayonet socket in the first bayonet socket, the second bayonet socket, the 3rd bayonet socket;
Stator;
One end of described torsion spring is connected and fixed sheet, and the other end connects the first bayonet socket, the second bayonet socket or the 3rd bayonet socket; One end of torsion spring connecting circuit board can switch in the first bayonet socket, the second bayonet socket and the 3rd bayonet socket, and by changing in different bayonet socket inscribe, torsion spring provides different resistances to motor;
A/C;
Motor is fixedly installed on stator, and circuit board to be spirally connected with stator by A/C or bonding or buckle connects.
3. explosion-proof blocking rotary type charge level controller according to claim 1 and 2, is characterized in that,
Described axle sleeve mechanism comprises axle sleeve and is arranged at shaft coupling piece group, shell fragment and at least two balls in described axle sleeve, and described shell fragment is located in described shaft coupling piece group, and described ball is arranged between described shell fragment and described shaft coupling piece group.
4. explosion-proof blocking rotary type charge level controller according to claim 1, is characterized in that, be provided with an O-ring seal between the upper cover of described housing and main casing, play the effect of dustproof and waterproof.
5. explosion-proof blocking rotary type charge level controller according to claim 3, it is characterized in that, circuit board is provided with two microswitch K1 and K2 at the two ends of catch, and the button of K switch 2 is on the motion path of described catch, and described K switch 2 connection control is without the break-make of material signal output.
6. explosion-proof blocking rotary type charge level controller according to claim 3, it is characterized in that, described axle sleeve mechanism comprises axle sleeve, and the shaft coupling piece one be arranged in this axle sleeve, shaft coupling piece two, shell fragment and ball, this shell fragment is sheathed on shaft coupling piece one, described ball is arranged between shell fragment and shaft coupling piece one, wherein, shaft coupling piece two is placed on the rotor of motor module, shaft coupling piece one is placed on shaft coupling piece two, the outer wall that ball is all laid in shaft coupling piece one is arranged in the through hole that is opened on this outer wall, and then shell fragment is sheathed on shaft coupling piece one and ball, when motor mechanism rotates, its rotor there will be and rocks and occur departing from relative to axis, at this moment ball will be touched by shaft coupling piece two, after ball contact to its outer shell fragment, by the screen resilience of shell fragment, resilience is formed to rotor, make it get back on axis, just can realize protecting the rotating of motor module by this cooperation.
7. explosion-proof blocking rotary type charge level controller according to claim 1, it is characterized in that, described explosion-proof blocking rotary type charge level controller is provided with 2 flameproof joints, one of them adopts the face that is threadedly engaged to carry out flame proof for upper cover and housing body, it two is that axle sleeve and housing junction adopt O RunddichtringO to carry out flame proof with the mode being threadedly engaged face, the quality of fit being threadedly engaged face is 6H/6g, composition surface length L >=8mm, minimum joggle number >=5.
8. explosion-proof blocking rotary type charge level controller according to claim 1, is characterized in that, described blade is rectangle, L shape or sickleshaped.
9. explosion-proof blocking rotary type charge level controller according to claim 1, it is characterized in that, described rotating shaft is continued access type, is provided with the continued access axle of identical or different length, removably connect between described continued access axle, regulated the length of rotating shaft by the quantity adjusting the continued access axle linked together.
CN201520388589.7U 2015-06-08 2015-06-08 Explosion -proofly hinder rotating material level control ware Active CN204883397U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520388589.7U CN204883397U (en) 2015-06-08 2015-06-08 Explosion -proofly hinder rotating material level control ware

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520388589.7U CN204883397U (en) 2015-06-08 2015-06-08 Explosion -proofly hinder rotating material level control ware

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112728088A (en) * 2021-02-20 2021-04-30 重庆四联测控技术有限公司 Sensor of rotation-resistant switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112728088A (en) * 2021-02-20 2021-04-30 重庆四联测控技术有限公司 Sensor of rotation-resistant switch

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