CN206184057U - Over twisting protection device and test table is examined in calibration thereof - Google Patents
Over twisting protection device and test table is examined in calibration thereof Download PDFInfo
- Publication number
- CN206184057U CN206184057U CN201621218651.9U CN201621218651U CN206184057U CN 206184057 U CN206184057 U CN 206184057U CN 201621218651 U CN201621218651 U CN 201621218651U CN 206184057 U CN206184057 U CN 206184057U
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- base
- protection device
- reverse plate
- proximity switch
- torsionspring
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Abstract
The utility model discloses an over twisting protection device and test table is examined in calibration thereof, include the base and twist reverse the dish, the base is provided with torsion spring with twising reverse between the dish, and torsion spring's one end clamps on the base, and the other end clamps on twising reverse the dish, fixed mounting has and is connected the proximity switch who is used for the control motor break -make with the control box on the base, twist reverse the dish and upward fix the cowl subassembly that is provided with with proximity switch looks adaptation, produce the signal of telecommunication with the cowl subassembly when proximity switch breaks away from, control motor power. The utility model discloses simple structure, processing is convenient, and the action is rapid, reliable, long service life, but wide application in motor drive and operating mechanism's over twisting protection device field.
Description
Technical field
The utility model is related to motor to cross torsion protection field, at drinking water, sanitary sewage and trade effluent
In the field of Environment Protection such as reason, the center in the various circular settling tanks such as such as second pond, efficient sedimentation tank and concentration basin is driven
The torsion protection device excessively of transmission and operating mechanism is connect under dynamic mud scraper, the motor of suction dredge equipment.
Background technology
The scraping of centre-driven, suction dredge are due to the design feature of its own, it is desirable to which what it was used cross torsion protection device acts
Rapidly, reliable, long service life, the influence of high/low temperature and sleety weather when adapting to outside work etc. can detect reversion；Turn round
Square overloads or can export electric signal when inverting is alarmed and shutdown operation for control system.
Mechanical torsion protection device (torque limiter) excessively common in the market is generally friction disk type, ball-type or top
Stylus structure, it is impossible to detection reversion, and conventional model can not export electric signal；The model and mostly import that electric signal can be exported set
It is standby, it is expensive.
Requirement of another pressure sensor formula torque limiter to temperature, humidity is more sensitive, in addition it is also necessary to external special
Pressure detector；It is difficult to adapt to for a long time the requirement of outside work condition.
Utility model content
The purpose of this utility model is to provide one kind and crosses torsion protection device, and this crosses torsion protection device can meet centre-driven
Scrape, suction dredge turns round protection device and be swift in motion, reliability, long service life, the requirement of rotating can be detected, while being fabricated to crossing
This is low.
The utility model solves the technical scheme that its technical problem used：One kind crosses torsion protection device, including base
And reverse plate；Torsionspring is provided between the base and reverse plate, one end of torsionspring is installed on base, other end card
On reverse plate；The proximity switch that controlled motor break-make is connected to control cabinet is installed with the base, it is described
The curved baffle component being adapted with proximity switch is fixedly installed on reverse plate, when proximity switch and curved baffle component depart from
When produce electric signal, controlled motor power-off.
Further, the rotating cylinder coordinated with rotary shaft is provided with the base, is provided with the rotating disk and is arranged
Sleeve on rotating cylinder, is provided with one group of bearing between rotating cylinder and sleeve, the torsionspring is set on sleeve.
To prevent torsionspring along the radial and axial play of base, the base is provided with one along the outer ring of torsionspring
Group prevents torsionspring along the spring location-plate of the radial and axial play of base.
For meet proximity switch reversion instantaneous motor power-off requirement, the curved baffle component include arc sheet metal and
The straight pin of arc sheet metal one end is fixed on, straight pin is weldingly fixed on reverse plate, the proximity switch is located at straight pin
Lower section.
To ensure the sealing of torsion protection device, waterproof case, the bottom of waterproof case are additionally provided with the reverse plate
Portion is pressed on base, and waterproof case is fixed with reverse plate bolt connection, and O-shaped sealing is additionally provided between waterproof case and reverse plate
Circle composition planar annular static seal.
It is a kind of to cross the calibration monitor station for turning round protection device, including the experiment stylobate that protection device base is turned round for fixing
Seat, the nylon rotating disk with reverse plate secure fit is coiled in the nylon rope on nylon rotating disk；It is fixed on experiment sewing platform base or so two
The support arm of side, is arranged on the assembly pulley on support arm, and the nylon rope bypasses two assembly pulleys, and is respectively set at the two ends of nylon rope
It is equipped with one group of counterweight.
The beneficial effects of the utility model：The utility model is coordinated by rotating torsion spring with base, rotating disk, makes rotating disk
Can be rotated with respect thereto, meanwhile, switch and curved baffle component are positioned proximate on base and reverse plate respectively, with moment of torsion
Increase, reverse plate is rotated and drives curved baffle component to rotate, when moment of torsion exceedes certain value, curved baffle component with close to opening
Close and depart from, proximity switch produces electric signal, controlled motor power-off, so as to play a part of to meet transmission and operating mechanism under protection.
Meanwhile, by the underface that proximity switch is arranged on curved baffle component one end so that when motor is inverted, curved baffle
Component can be rapidly separated with proximity switch, and transmission and operating mechanism are met under protection.The structure has compact conformation, proximity switch
It is swift in motion, reliable, long service life, the low advantage of processing cost.Meanwhile, by setting waterproof case, with anti-well
Aqueous energy, further improves service life.The calibration monitor station for crossing torsion protection device, it is easy to detect with simple structure,
Efficiently, the advantage of high precision.
Below with reference to drawings and Examples, the utility model is described in detail.
Brief description of the drawings
Fig. 1 turns round the sectional view of protection device B-B to be crossed in the utility model.
Fig. 2 turns round the sectional view of protection device A-A to be crossed in the utility model.
Fig. 3 turns round the front view of the calibration monitor station of protection device to be crossed in the utility model.
Specific embodiment
Embodiment, as shown in Figure 1 and Figure 2, one kind crosses torsion protection device, is mainly used in drinking water, sanitary sewage and industry dirty
In the field of Environment Protection such as water process, the scraping of centre-driven in second pond, efficient sedimentation tank and concentration basin, suction dredge sets
It is standby upper, twisted off electric protection for being improved to motor.The present apparatus includes the base 2 and and primary speed-down that are connected with 2-level reducer
The reverse plate 3 that machine is fixedly connected；Torsionspring 6 is provided between the base 2 and reverse plate 3, torsionspring 6 is the master of the present apparatus
Load part is wanted, this spring is designed calculating and customizes according to specific torque limit scope, is torsion bar type torsionspring, outward
Plating zinc on surface anti-corrosion.The first spring stand 1 is fixedly installed on the base 2, second spring card is fixedly installed on reverse plate 3
Seat 12, one end of torsionspring 6 is installed on the first spring stand 1 of base 2, and the other end is installed on the second bullet of reverse plate 3
On spring deck 12.The rotating cylinder 21 coordinated with rotary shaft is provided with the base 2, is provided with the rotating disk 3 and is set in
Sleeve 31 on rotating cylinder 21, is provided with one group of bearing 4 between rotating cylinder 21 and sleeve 31, the bearing 4 uses deep groove ball bearing；
Jump ring 5 is additionally provided between base 2 and reverse plate 3, reverse plate 3 is unhinderedly rotated around base 2, its maximum rotation
Corner is limited by torsionspring 6.The torsionspring 6 is set on sleeve 31.The base 2 along torsionspring 6 outer ring
One group of spring location-plate 13 is provided with, torsionspring 6 is prevented along the radial and axial play of base.
The proximity switch 9 that controlled motor break-make is connected to control cabinet, the torsion are installed with the base 2
The curved baffle component 8 being adapted with proximity switch 9 is fixedly installed on disk 3, the curved baffle component 8 includes the thin steel of arc
Plate 81 and the straight pin 82 for being fixed on the one end of arc sheet metal 81, straight pin 82 are weldingly fixed on reverse plate 3, and described approaching is opened
Close 9 lower sections for being located at straight pin 82.Electric signal is produced when proximity switch 9 and curved baffle component 8 depart from, controlled motor is broken
Electricity.
Waterproof case 11 is additionally provided with the reverse plate 3, the bottom of waterproof case 11 is pressed on base 2, waterproof case
11 are fixed with the bolt connection of reverse plate 3, and O-ring seal 7 is additionally provided between waterproof case 11 and reverse plate 3.
When crossing the work of torsion protection device, the first class reducer being fixed on reverse plate drives reverse plate along the up time in Fig. 2
Pin direction rotates, and curved baffle component follows reverse plate to rotate together, when torque value exceedes limits value, curved baffle with it is close
Switch is mutually disengaged, proximity switch output electric signal, cuts off the electricity supply；Motor is stalled, and reverse plate automatically resets；By controlling arc
The length of baffle plate can the different output torque value of limitation.
When motor wiring error or other reasonses cause driver inversion, reverse plate along rotating in an anti-clockwise direction in Fig. 2,
Because curved baffle upper end and proximity switch are very close to along a low-angle has just been rotated counterclockwise, curved baffle is reverse plate
Depart from proximity switch, proximity switch output electric signal is cut off the electricity supply；Motor is stalled, and reverse plate automatically resets.
The actual torsionspring for having customized, due to there is mismachining tolerance, there is different degrees of deviation in its torsional rigidity, be
This deviation is eliminated, it is necessary to special testing stand is calibrated to the torque value for limiting, its structure is as shown in Figure 3.This is crossed torsion and protects
The calibration monitor station of protection unit, including the experiment sewing platform base 18 of protection device base 2 is turned round for fixing, fixed with reverse plate 3
The nylon rotating disk 15 of cooperation, is coiled in the nylon rope 20 on nylon rotating disk 15；It is fixed on the branch of experiment sewing platform base 18 left and right sides
Brace 19, is arranged on the assembly pulley 16 on support arm 19, and the nylon rope 20 bypasses two assembly pulleys 16, and the two of nylon rope 20
End is each provided with one group of counterweight 17.
During calibration, torsion protection device of crossing to be corrected is first laid down into waterproof case 11, be then fixed by bolts to testing stand
On base 18, nylon rotating disk 15 is loaded onto in its upper surface, and nylon rotating disk two ends symmetrically hang on two groups by the nylon rope of assembly pulley 16
Scale pan and counterweight group 17, for simulating the torque value for limiting, the inside of assembly pulley 16 is used to reduce pulley equipped with deep groove ball bearing
The frictional resistance of group；After installing corresponding counterweight group according to selected torque value, reverse plate can rotate a certain angle, and now connect
The actual end position that the subpoint on curved baffle is curved baffle is closely switched, appropriate cutting is carried out to curved baffle i.e.
The torque value of limitation is can determine that, the method can effectively eliminate the torque value error produced by the foozle of torsionspring.
Claims (6)
1. it is a kind of to cross torsion protection device, including base (2) and reverse plate (3)；It is characterized in that：The base (2) and reverse plate
(3) torsionspring (6) is provided between, one end of torsionspring (6) is installed on base (2), and the other end is installed on reverse plate (3)
On；The proximity switch (9) that controlled motor break-make is connected to control cabinet, the torsion are installed with the base (2)
The curved baffle component (8) being adapted with proximity switch (9) is fixedly installed on disk (3), when proximity switch (9) and curved baffle
Component (8) produces electric signal, controlled motor power-off when departing from.
It is 2. as claimed in claim 1 to cross torsion protection device, it is characterised in that：It is provided with the base (2) and is matched somebody with somebody with rotary shaft
The rotating cylinder (21) of conjunction, is provided with the sleeve (31) being set on rotating cylinder (21) on the rotating disk (3), rotating cylinder (21) with
One group of bearing (4) is provided between sleeve (31), the torsionspring (6) is set on sleeve (31).
It is 3. as claimed in claim 1 to cross torsion protection device, it is characterised in that：The base (2) along torsionspring (6) outer ring
Being provided with one group prevents torsionspring along the spring location-plate (13) of the radial and axial play of base (2).
It is 4. as claimed in claim 1 to cross torsion protection device, it is characterised in that：The curved baffle component (8) is thin including arc
Steel plate (81) and the straight pin (82) of arc sheet metal (81) one end is fixed on, straight pin (82) is weldingly fixed on reverse plate (3)
On, lower section of the proximity switch (9) positioned at straight pin (82).
5. torsion protection device is crossed as described in Claims 1-4 any one, it is characterised in that：Also set on the reverse plate (3)
Waterproof case (11) is equipped with, the bottom of waterproof case (11) is pressed on base (2), waterproof case (11) and reverse plate (3) bolt
It is connected, O-ring seal (7) is additionally provided between waterproof case (11) and reverse plate (3).
It is 6. a kind of to cross the calibration monitor station for turning round protection device, it is characterised in that：Including for fixing torsion protection device base (2)
Experiment sewing platform base (18), the nylon rotating disk (15) with reverse plate (3) secure fit is coiled in the nylon on nylon rotating disk (15)
Rope (20)；The support arm (19) of experiment sewing platform base (18) left and right sides is fixed on, the assembly pulley on support arm (19) is arranged on
(16), the nylon rope (20) bypasses two assembly pulleys (16), and is each provided with one group of counterweight (17) at the two ends of nylon rope (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621218651.9U CN206184057U (en) | 2016-11-14 | 2016-11-14 | Over twisting protection device and test table is examined in calibration thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621218651.9U CN206184057U (en) | 2016-11-14 | 2016-11-14 | Over twisting protection device and test table is examined in calibration thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206184057U true CN206184057U (en) | 2017-05-24 |
Family
ID=58735403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621218651.9U Active CN206184057U (en) | 2016-11-14 | 2016-11-14 | Over twisting protection device and test table is examined in calibration thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206184057U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405716A (en) * | 2021-07-21 | 2021-09-17 | 广东新环机电装备制造有限公司 | Over-torsion detection device adopting tension pressure sensor |
| CN113405717A (en) * | 2021-07-22 | 2021-09-17 | 广东新环机电装备制造有限公司 | Over-torsion detection device adopting spring to reset |
-
2016
- 2016-11-14 CN CN201621218651.9U patent/CN206184057U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405716A (en) * | 2021-07-21 | 2021-09-17 | 广东新环机电装备制造有限公司 | Over-torsion detection device adopting tension pressure sensor |
| CN113405716B (en) * | 2021-07-21 | 2022-10-18 | 广东新环机电装备制造有限公司 | Over-torsion detection device adopting tension and pressure sensor |
| CN113405717A (en) * | 2021-07-22 | 2021-09-17 | 广东新环机电装备制造有限公司 | Over-torsion detection device adopting spring to reset |
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