CN201777763U - Uniform-speed lifting device for compressed natural gas (CNG) storage well imaging and detection - Google Patents
Uniform-speed lifting device for compressed natural gas (CNG) storage well imaging and detection Download PDFInfo
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- CN201777763U CN201777763U CN 201020530455 CN201020530455U CN201777763U CN 201777763 U CN201777763 U CN 201777763U CN 201020530455 CN201020530455 CN 201020530455 CN 201020530455 U CN201020530455 U CN 201020530455U CN 201777763 U CN201777763 U CN 201777763U
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- friction wheel
- shaft
- main power
- nut
- power shaft
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Abstract
The utility model discloses a uniform-speed lifting device for compressed natural gas (CNG) storage well imaging and detection, which comprises a motor and a main power shaft coaxially connected with the motor, wherein a cable is wound on the main power shaft, and the end of the cable can be fixedly connected with a measurement device. The uniform-speed lifting device is characterized in that a friction wheel is arranged at the end of the main power shaft, the end of the friction wheel is attached to the end of the main power shaft, a power output shaft is connected to the friction wheel, the power output shaft and the friction wheel rotate synchronously, and the cable is driven by the power output shaft. As the friction wheel is arranged on the main power shaft, and the friction wheel and the main power shaft are connected in a form of static friction instead of the traditional coaxial fixed connection, so that when turns of the cable are changed suddenly, friction torque linearity of the friction wheel is increased due to sudden change of linear speed of the cable, and sudden change of rotation speed of the main power shaft is prevented by the aid of overload protection generated by slipping between the friction wheel and the main power shaft.
Description
Technical field
The utility model relates to a kind of engine installation, particularly a kind of power lift.
Background technology
The elevator system that the down-hole, mine is used morely adopts winch usually, and winch (being winch again) is a device of being finished traction work by manpower or mechanical powered drive reel, coiling rope.Can vertical-lift, level or inclination drag and draw weight.Winch is divided into two kinds of manual hoist and electric winchs.Now based on electric winch.Electric winch is made up of electrical motor, plunging joint, drg, gear case and reel, is installed in jointly on the frame; Winch scarcely needs constant sped control, the constant speed of utilizing servomotor itself can carry out to a certain degree promotes, but for the constant speed elevator system that is used to detect, detect the constant speed elevator system of usefulness as the imaging of CNG gas storage well, the accuracy requirement that the winch out of reach of employing automatic servo motor at the uniform velocity detects, this is because promote hawser one dimensioning radius r to be arranged, when receiving two-layer intersection on the winch take-up spool, because the influence of hawser yardstick bore, take-up speed between last lap of following one deck and the beginning of the top one deck circle can produce a sudden change, see shown in Figure 1, if second layer radius of turn is R2, the 3rd layer of radius of turn is R3, and second layer circumference of rope is 2 π R2, the 3rd layer of circumference of rope is 2 π (R2+2r), and then sudden change length is 4 π r.If establishing 0.2s turns around, then the mutating speed increment is: Δ v=20 π r, the servo circuit of automatically controlled servomotor have little time reaction, and promptly this sudden change can not be carried out actv. control.
The utility model content
Goal of the invention of the present utility model is: at the problem of above-mentioned existence, provide the linear velocity of hawser lifter motion in a kind of coil to detect at the uniform velocity bont with the less CNG gas storage well imaging of hawser number of plies sudden change fluctuation.
The technical solution adopted in the utility model is such: the imaging of a kind of CNG gas storage well detects at the uniform velocity bont, comprise that motor reaches and motor coaxle bonded assembly main power shaft, be wound with hawser on the described main power shaft, can captive joint with measurement mechanism in described hawser end, described main power shaft end is provided with friction wheel, fit in described friction wheel end and main power shaft end, described friction wheel is connected with power take-off shaft, described power take-off shaft and friction wheel rotate synchronously, and described hawser is driven by power take-off shaft;
Described friction wheel is provided with compression spring, and described length of spring compressed links to each other with nut, and described nut sleeve is contained on the screw mandrel, described screw axis to the rotating shaft parallel of friction wheel, described screw mandrel is connected on the frame.
The described friction wheel outside and the nut outside are provided with the gear teeth, and described frame is provided with train of reduction gears, and described train of reduction gears is meshing with the gear teeth and the gear teeth outside the nut in the friction wheel outside respectively;
Described frame is provided with two transition gears, and one transition gear and friction wheel and train of reduction gears are meshing, and another transition gear and nut and train of reduction gears are meshing;
The described friction wheel outside and the nut outside are provided with the gear teeth, on the described frame power-transfer clutch is set, described power-transfer clutch can moving radially along friction wheel, described power-transfer clutch is provided with two rollers, the one roller can be meshing with the gear teeth in the friction wheel outside, and another roller can be meshing with the gear teeth in the nut outside;
Described power-transfer clutch is provided with controller.
In sum, owing to adopted technique scheme, the beneficial effects of the utility model are:
Main power shaft is provided with friction wheel; adopting static friction to substitute between friction wheel and main power shaft traditional coaxially captives joint; when the hawser number of plies is suddenlyd change; the sudden change of hawser linear velocity makes the linear increase of the friction moment of friction wheel; utilizing can be because of the generation overload protection that skids between friction wheel and main power shaft; prevent the velocity of rotation sudden change of main power shaft; on the contact surface vertical direction of friction wheel and main power shaft, also compression spring and inhibiting device can be set; its pressure is regulated; according to friction coefficient and hawser pull its transformation point that skids is set, to adapt to different hawser pulls and accuracy requirement.
Description of drawings
Fig. 1 is the scheme drawing that sudden change produced when hawser was stacked in the background technology;
Fig. 2 detects the at the uniform velocity lateral plan of bont for the imaging of CNG gas storage well
Fig. 3 detects the at the uniform velocity birds-eye view of bont for the imaging of CNG gas storage well
Fig. 4 is the device front elevational schematic that is provided with box of tricks;
Fig. 5 is the device schematic side view that is provided with box of tricks;
Fig. 6 is the device scheme drawing that is provided with power-transfer clutch.
Mark among the figure: main power shaft-1; Friction wheel-2; Power take-off shaft-3; Hawser-4; Compression spring-5; Measurement mechanism-6; Screw mandrel-7; Nut-8; Train of reduction gears-9; Transition gear-10; Frame-11; Roller-12; Power-transfer clutch-13.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in the figure; principle of work of the present utility model is: main power shaft 1 is provided with friction wheel 2; friction wheel 2 is connected with power take-off shaft 3; 3 of friction wheel 2 and power take-off shafts substitute by static friction traditional coaxially captives joint; when hawser 4 numbers of plies are suddenlyd change; the sudden change of hawser 4 linear velocities drives linear increase of friction moment of friction wheel 2; friction wheel 2 skids and makes static friction become cliding friction; promptly utilize the overload protection that skids to prevent the velocity of rotation sudden change of power take-off shaft 3; on the vertical direction of the contact surface of friction wheel 2 and power take-off shaft 3, also compression spring 5 and inhibiting device can be set; its pressure is regulated; according to friction coefficient and hawser 4 pulling force its transformation point that skids is set, to adapt to different hawser 4 pulling force and accuracy requirement.
The imaging of the utility model CNG gas storage well detects at the uniform velocity, and bont comprises motor and main power shaft 1, be wound with hawser 4 on the main power shaft 1, equivalently, reel also can be set in order to store hawser 4 on main power shaft 1, main power shaft 1 can link to each other with motor by change-speed box, driven by motor main power shaft 1 even angle rate rotates and pulling hawser 4,3 of main power shaft 1 and power take-off shafts are provided with friction wheel 2, main power shaft 1 drives friction wheel 2 and rotates, friction wheel 2 drives power take-off shaft 3 and rotates, the end of hawser 4 is after power take-off shaft 3 twines, and the end of hawser 4 is connected with measurement mechanism 6; The end face of the end face of friction wheel 2 and power take-off shaft 3 is fitted, the end face of the end face of friction wheel 2 and power take-off shaft 3 constitutes by the higher material of friction coefficient or is fixed with the higher coating of friction coefficient, friction wheel 2 is provided with screw mandrel 7 with the vertical direction of power take-off shaft 3 end faces, screw mandrel 7 is connected on the frame 11, screw mandrel 7 is provided with nut 8, constitute feed screw nut pair, 2 of nut 8 and friction wheels are provided with compression spring 5, can utilize the displacement and the position-limiting action of screw mandrel 7 nut bodies, distance by 2 of adjustment nut 8 and friction wheels, compress or unclamp compression spring 5, regulate the pressure size between friction wheel 2 end faces and power take-off shaft 3 end faces, nut 8 is adjusted by the friction moment regulating mechanism with the relative position of friction wheel 2.
Embodiment 1:
The imaging of CNG gas storage well detects at the uniform velocity, and bont comprises motor and main power shaft 1, store sufficiently long hawser 4 by reel on the main power shaft 1, main power shaft 1 can link to each other with motor by change-speed box, and drive main power shaft 1 rotation pulling hawser 4,3 of main power shaft 1 and power take-off shafts are provided with friction wheel 2, friction wheel 2 arranged outside have the gear teeth, friction wheel 2 is provided with screw mandrel 7 with the vertical direction of power take-off shaft 3 end faces, screw mandrel 7 is connected on the frame 11, screw mandrel is provided with nut 8, constitute feed screw nut pair, 2 of nut 8 and friction wheels are provided with compression spring 5, can utilize the displacement and the position-limiting action of leading screw and nut mechanism, by the distance of 2 of adjustment nut 8 and friction wheels, compress or unclamp compression spring 5, to regulate the pressure size between friction wheel 2 end faces and power take-off shaft 3 end faces; The outside face of nut 8 is provided with the gear teeth, frame 11 is provided with train of reduction gears 9, the gear teeth that pass through on transition gear 10 and the nut 8 of train of reduction gears 9 are meshing, the other end of train of reduction gears 9 is meshing with the gear teeth on the friction wheel 2 by another transition gear 10, the end face of the friction wheel 2 of reducing gear and the end face of power take-off shaft 3 are fitted, the end face of the end face of friction wheel 2 and power take-off shaft 3 constitutes by the higher material of friction coefficient, wherein the transmitting ratio of train of reduction gears 9 can be adjusted according to actual needs, adjust its number or size as required, can adjust the transmitting ratio of train of reduction gears 9; Along with the imaging of CNG gas storage well detects the at the uniform velocity work of bont, when measurement mechanism 6 descends, drive nut 8 by transition gear 10 and unclamp compression spring 5, the pressure that friction wheel 2 and power take-off shaft are 3 reduces gradually, if this moment is during the coil layer numerical mutation of hawser 4, the friction moment that friction wheel 2 and power take-off shaft are 3 suddenlys change thereupon, because compression spring 5 is exerted pressure and is reduced gradually, if friction force is less than its power, power take-off shaft 3 skids with respect to friction wheel 2, the cireular frequency and the linear velocity affects of friction wheel 2 are less, so hawser 4 is offset by cliding friction because of the speed that the coil layer numerical mutation changes.Otherwise, drive nut 8 rotations by transition gear 10 and compress compression spring 5, make linear increase of friction moment between power take-off shaft 3 and the friction wheel 2, the pressure of 3 of friction wheel 2 and power take-off shafts increases when tightening up hawser 4, the probability that friction wheel 2 skids when tightening up hawser 4 reduces gradually, improves take-up efficient.
Embodiment 2:
Another kind of embodiment of the present utility model, identical with embodiment, comprise motor and main power shaft 1, store sufficiently long hawser 4 by reel on the main power shaft 1, main power shaft 1 can link to each other with motor by change-speed box, and drive main power shaft 1 rotation pulling hawser 4,3 of main power shaft 1 and power take-off shafts are provided with friction wheel 2, friction wheel 2 arranged outside have the gear teeth, friction wheel 2 is provided with screw mandrel 7 with the vertical direction of power take-off shaft 3 end faces, screw mandrel 7 is connected on the frame 11, screw mandrel 7 is provided with nut 8, constitute feed screw nut pair, 2 of nut 8 and friction wheels are provided with compression spring 5, can utilize the displacement and the position-limiting action of leading screw and nut mechanism, distance by 2 of adjustment nut 8 and friction wheels, compress or unclamp compression spring 5, to regulate the pressure size between friction wheel 2 end faces and power take-off shaft 3 end faces, the outside face of nut 8 is provided with the gear teeth, the end face of the friction wheel 2 of reducing gear and the end face of power take-off shaft 3 are fitted, and the end face of the end face of friction wheel 2 and power take-off shaft 3 constitutes by the higher material of friction coefficient.Difference from Example 1 is, speed reduction gearing frame 11 in the present embodiment is provided with two transition gears 10, one of them transition gear 10 is meshing with the gear teeth on the nut 8, wherein another transition gear 10 is meshing with the gear teeth on the friction wheel 2, be connected with can be respectively meshing roller 12 on the frame 11 with two transition gears 10, roller 12 coaxial being arranged on the power-transfer clutch 13, two rollers 12 rotate synchronously, power-transfer clutch 13 is connected on the frame 11, power-transfer clutch 13 can drive roller 12 and do upper and lower displacement, preferably, power-transfer clutch 13 is provided with on the control roller 12, mobile down controller, controller is controlling element with time, changes the clutch of control roller 12 and transition gear 10 in time, and element of time is provided with as required in its middle controller.Hawser 4 can twine multi-turn on main power shaft 1, the winding number of turns that increases hawser is in order to increase the friction force between itself and the main power shaft 1.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. CNG gas storage well imaging detects at the uniform velocity bont, comprise that motor reaches and motor coaxle bonded assembly main power shaft, be wound with hawser on the described main power shaft, can captive joint with measurement mechanism in described hawser end, it is characterized in that: described main power shaft end is provided with friction wheel, fits in described friction wheel end and main power shaft end, and described friction wheel is connected with power take-off shaft, described power take-off shaft and friction wheel rotate synchronously, and described hawser is driven by power take-off shaft.
2. CNG gas storage well according to claim 1 imaging detects at the uniform velocity bont, it is characterized in that: described friction wheel is provided with compression spring, described length of spring compressed links to each other with nut, described nut sleeve is contained on the screw mandrel, described screw axis to the rotating shaft parallel of friction wheel, described screw mandrel is connected on the frame.
3. CNG gas storage well according to claim 2 imaging detects at the uniform velocity bont, it is characterized in that: the described friction wheel outside and the nut outside are provided with the gear teeth, described frame is provided with train of reduction gears, and described train of reduction gears is meshing with the gear teeth and the gear teeth outside the nut in the friction wheel outside respectively.
4. CNG gas storage well according to claim 3 imaging detects at the uniform velocity bont, it is characterized in that: described frame is provided with two transition gears, one transition gear and friction wheel and train of reduction gears are meshing, and another transition gear and nut and train of reduction gears are meshing.
5. CNG gas storage well according to claim 1 imaging detects at the uniform velocity bont, it is characterized in that: the described friction wheel outside and the nut outside are provided with the gear teeth, on the described frame power-transfer clutch is set, described power-transfer clutch can moving radially along friction wheel, described power-transfer clutch is provided with two rollers, the one roller can be meshing with the gear teeth in the friction wheel outside, and another roller can be meshing with the gear teeth in the nut outside.
6. CNG gas storage well according to claim 5 imaging detects at the uniform velocity bont, it is characterized in that: described power-transfer clutch is provided with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020530455 CN201777763U (en) | 2010-09-16 | 2010-09-16 | Uniform-speed lifting device for compressed natural gas (CNG) storage well imaging and detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020530455 CN201777763U (en) | 2010-09-16 | 2010-09-16 | Uniform-speed lifting device for compressed natural gas (CNG) storage well imaging and detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201777763U true CN201777763U (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020530455 Expired - Lifetime CN201777763U (en) | 2010-09-16 | 2010-09-16 | Uniform-speed lifting device for compressed natural gas (CNG) storage well imaging and detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201777763U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109816850A (en) * | 2018-12-17 | 2019-05-28 | 恒银金融科技股份有限公司 | A kind of power wheel bearing distribution method of bank note transfer passage overlap joint module |
| CN111017768A (en) * | 2019-12-16 | 2020-04-17 | 清华大学 | Pull-type device for lifting object at uniform speed |
| WO2023082466A1 (en) * | 2021-11-15 | 2023-05-19 | 法兰泰克重工股份有限公司 | Overload protection apparatus for variable rail hoisting |
-
2010
- 2010-09-16 CN CN 201020530455 patent/CN201777763U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109816850A (en) * | 2018-12-17 | 2019-05-28 | 恒银金融科技股份有限公司 | A kind of power wheel bearing distribution method of bank note transfer passage overlap joint module |
| CN111017768A (en) * | 2019-12-16 | 2020-04-17 | 清华大学 | Pull-type device for lifting object at uniform speed |
| CN111017768B (en) * | 2019-12-16 | 2020-10-13 | 清华大学 | Pull-type device for lifting object at uniform speed |
| WO2023082466A1 (en) * | 2021-11-15 | 2023-05-19 | 法兰泰克重工股份有限公司 | Overload protection apparatus for variable rail hoisting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sichuan Oil and Natural Gas Scientific Development Co., Ltd. Assignor: Sichuan University of Science & Engineering Contract record no.: 2011510000256 Denomination of utility model: Uniform-speed lifting device for compressed natural gas (CNG) storage well imaging and detection Granted publication date: 20110330 License type: Exclusive License Record date: 20110907 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |
|
| CX01 | Expiry of patent term |