CN203595473U - Lifting device - Google Patents
Lifting device Download PDFInfo
- Publication number
- CN203595473U CN203595473U CN201320750430.6U CN201320750430U CN203595473U CN 203595473 U CN203595473 U CN 203595473U CN 201320750430 U CN201320750430 U CN 201320750430U CN 203595473 U CN203595473 U CN 203595473U
- Authority
- CN
- China
- Prior art keywords
- wheel
- cable
- lifting gear
- sensor
- drive unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to the field of a measuring instrument, and specifically relates to a lifting device. The lifting device comprises a wheel, a support, a cable and a sensor, one end of the wheel is in threaded connection with the support, one end of the cable is wound on the wheel, the other end of the cable is connected with the sensor, the winding direction of the cable winding the wheel is the same with the thread direction of the wheel, and line spacing of the cable is equal to the screw pitch of a thread. Compared with the prior art, in the lifting device, the wheel can axially moves when the wheel rotates by the addition of the inner thread on the wheel, so that the sensor just moves vertically without horizontal displacement, the sensor cannot swing, and therefore an object to be measured and having a complex internal structure can be conveniently measured by the instrument.
Description
Technical field
The utility model relates to surveying instrument field, in particular to a kind of lifting gear.
Background technology
The instrument of the vertical distance of existing measurement, inner structure is as windlass, and what cable was neat is wrapped in wheel groove.When work, drive wheel rotation to transfer cable, in the time of the sensor sensing measured object of cable below, send signal, at this moment just can calculate the residing concrete degree of depth of sensor by calculating decline length of cable.This quasi-instrument, according to sensor difference, can be measured dissimilar positional information, as interphase of different densities, different colours in liquid etc.The inner topworks of pertinent instruments sketch is as shown in Figure 2:
The position of wheel is relatively fixing as seen from the figure, only rotates.Because cable is wound around reason, when work, the movement locus of sensor is an oblique line,, except moving up and down, also will produce an axial componental movement.This lifting gear is simple in structure, is used at present on most of surveying instrument.
Because sensor has axially-movable, in the time that wheel stops operating, because inertia, sensor can produce swing, is unfavorable for the measured object of apparatus measures inner structure complexity.
Utility model content
The purpose of this utility model is to provide a kind of lifting gear, to solve the above problems.
A kind of lifting gear is provided in embodiment of the present utility model, it comprises wheel, bracing frame, cable and sensor, wheel one end is threaded with bracing frame, cable one end is wrapped on wheel, cable other end connecting sensor, the winding direction of cable on wheel is identical with the hand of spiral on wheel, and the line-spacing of cable equates with the pitch of screw thread.
Lifting gear of the present utility model, compared with prior art, make wheel produce axial displacement in rotating by increasing internal thread to wheel, thereby make sensor only have perpendicular displacement there is no horizontal shift, thereby sensor just can not produce swing, is beneficial to the measured object of apparatus measures inner structure complexity.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment lifting gear schematic diagram;
Fig. 2 is prior art lifting gear schematic diagram.
In figure, 1: drive unit; 2: the axis of guide; 3: wheel; 4: bracing frame; 5: cable; 6: sensor.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, will the technical solution of the utility model be carried out to clear, complete description below.Obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, all other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belong to the scope that the utility model is protected.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
As shown in Figure 1, this practical lifting gear comprises wheel 3, bracing frame 4, cable 5 and sensor 6,3 one end of rolling are threaded with bracing frame 4, cable 5 one end are wrapped on wheel 3, cable 5 other end connecting sensors 6, the winding direction of cable 5 on wheel 3 is identical with the hand of spiral on wheel 3, and the line-spacing of cable 5 equates with the pitch of screw thread.
Wheel 3 is threaded connection bracing frame 4, because bracing frame 4 maintains static, so in the time that wheel 3 rotates, bracing frame 4 and the screw thread of rolling between 3 can make to roll and 3 carry out axial displacement.
One end of cable 5 is connected with sensor 6, and when wheel 3 rotates, cable 5 is transferred, and band dynamic sensor 6 is transferred.When cable 5, at wheel, the winding direction on 3 is identical with the hand of spiral on wheel 3, and according to right-hand rule judgement, both directions are all left-handed or while being all dextrorotation, roll 3 move axially direction and sensor 6 moves horizontally opposite direction; In the time that the line-spacing of cable 5 and the pitch of screw thread equate, the axial translational speed of wheel 3 is identical with the translational speed of sensor 6 horizontal directions.
Therefore, when cable 5, at wheel, the winding direction on 3 is identical with the hand of spiral on wheel 3, and the line-spacing of cable 5 and the pitch of screw thread are while equating, can show that sensor 6 does not have actual displacement generation in the horizontal direction.Because sensor 6 does not have displacement in the horizontal direction, in the time that wheel 3 stops operating, sensor 6 just can not produce swing; Position will be relatively fixing, is conducive to Zero-point switch reset detection, do not affect precision measure; Instrument and measured object outside just do not need larger interface size yet, are conducive to instrument and install.
Be preferred embodiment, the screw thread of bracing frame 4 is external thread, and the screw thread of wheel 3 is internal thread.
The volume own due to wheel 3 is larger, if use external thread to connect bracing frame 4, the volume of bracing frame 4 can be larger so, thereby cause the raising of cost and the inconvenience of operation.And bracing frame 4 is while being external thread, it can just can be realized driving and roll and 3 move by doing screw thread on a very little axle, has reduced cost and has also simplified processing technology.
Lifting gear also comprises drive unit 1, and drive unit 1 connects wheel 3.
On increasing, after drive unit 1, do not need to carry out again manpower driving on lifting gear, thereby can solution emit manpower, reduce labor capacity.
Drive unit 1 is motor.
Motor is the device that the driving commonly used is rotated, and is easy to just can buy on market, and therefore the present embodiment adopts motor to use as drive unit 1, has effectively controlled cost, has avoided wasting time because of purchase drive unit 1.
Be preferred embodiment, lifting gear also comprises the axis of guide 2, and the axis of guide arranges between drive unit 1 and wheel 3, and drive unit 1 drives wheel 3 to rotate by the axis of guide 2.
Connected mode between drive unit 1 and wheel 3, if be fixedly connected with, can affect moving axially of wheel 3, even can destroy the screw thread of wheel 3 or bracing frame 4.Therefore, between drive unit 1 and wheel 3, be necessary for and be flexibly connected.
After wheel 3 one end perforates, in the axis of guide 2 load holes, the axis of guide 2 outer ends are fixedly connected on drive unit 1, so just can realize and can drive wheel 3 to rotate, can not limit again wheel 3 and move axially, and in the time that drive unit 1 rotates, wheel 3 can and then rotate immediately, does not postpone.
It is pointed out that drive unit 1 and the connected mode of wheel between 3 are not limited to uses the axis of guide 2 to be connected, and it can driving wheel 3 rotations, as long as it can meet, and not limiting again rolls 3 moves axially.As used the modes such as chain connection, rope connection to connect.
Be preferred embodiment that the axis of guide 2 is four.
If the axis of guide 2 very little, for example, while being one, drive unit 1 is to rolling 3 power that apply entirely on an axis of guide 2, be easy to like this make the axis of guide 2 to fracture, and while only having an axis of guide 2, its wearing and tearing also can be very fast, thereby reduced the serviceable life of lifting gear.If the axis of guide 2 is too many, can make again cost uprise.Therefore, the present embodiment adopts four axis of guides, 2 connecting drive devices 1 and wheel 3.
Preferred embodiment is, four axis of guides 2 are uniformly distributed centered by 3 the axis of rolling.
If the axis of guide 2 is not uniformly distributed, drive unit 1 will be inhomogeneous to rolling 3 power that apply so, thereby can aggravate the wearing and tearing of the axis of guide 2, reduces the serviceable life of lifting gear.
Drive unit 1 and bracing frame 4 can be located at same one end of wheel 3, and such arranging can make the volume of whole lifting gear further reduce, but unstable when setting may cause wheel 3 rotation like this.And drive unit 1 is located at respectively wheel 3 two ends with bracing frame 4, can make to roll 3 more stable in the time rotating, can allow the longer service life of lifting gear.
The utility model lifting gear, compared with prior art, makes wheel produce axial displacement in rotating by increasing internal thread to wheel, thereby makes sensor only have perpendicular displacement there is no horizontal shift.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a lifting gear, it is characterized in that, comprise wheel, bracing frame, cable and sensor, described wheel one end is threaded with support frame as described above, described cable one end is wrapped on described wheel, the described cable other end connects described sensor, and the winding direction of described cable on wheel is identical with the hand of spiral on described wheel, and the line-spacing of described cable equates with the pitch of screw thread.
2. lifting gear according to claim 1, is characterized in that, the screw thread of support frame as described above is external thread, and the screw thread of described wheel is internal thread.
3. lifting gear according to claim 2, is characterized in that, also comprises drive unit, and described drive unit connects described wheel, drives described wheel to rotate.
4. lifting gear according to claim 3, is characterized in that, described drive unit is motor.
5. lifting gear according to claim 4, is characterized in that, also comprises the axis of guide, and the described axis of guide arranges between described drive unit and described wheel, and described drive unit drives described wheel to rotate by the described axis of guide.
6. lifting gear according to claim 5, is characterized in that, the described axis of guide is four.
7. lifting gear according to claim 6, is characterized in that, four described axis of guides are uniformly distributed centered by the axis of described wheel.
8. lifting gear according to claim 7, is characterized in that, described drive unit and support frame as described above are located at respectively wheel two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320750430.6U CN203595473U (en) | 2013-11-21 | 2013-11-21 | Lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320750430.6U CN203595473U (en) | 2013-11-21 | 2013-11-21 | Lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203595473U true CN203595473U (en) | 2014-05-14 |
Family
ID=50676343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320750430.6U Expired - Fee Related CN203595473U (en) | 2013-11-21 | 2013-11-21 | Lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203595473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197798A (en) * | 2014-12-02 | 2015-12-30 | 徐州重型机械有限公司 | Cable drum with length measurement function, length measurement method and crane |
-
2013
- 2013-11-21 CN CN201320750430.6U patent/CN203595473U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197798A (en) * | 2014-12-02 | 2015-12-30 | 徐州重型机械有限公司 | Cable drum with length measurement function, length measurement method and crane |
| CN105197798B (en) * | 2014-12-02 | 2017-01-25 | 徐州重型机械有限公司 | Cable drum with length measurement function, length measurement method and crane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105571555B (en) | A kind of measuring device and its measurement method of shield tail clearance of shield machine | |
| CN203299085U (en) | Automatic drilling fluid viscosity measuring device | |
| CN203595473U (en) | Lifting device | |
| CN204007605U (en) | A kind of device of measuring fork of forklift truck angle of inclination | |
| CN104236438A (en) | Length measuring device on basis of Hall sensor | |
| CN201354307Y (en) | Rotary displacement checking device | |
| CN203682790U (en) | Automatic take-up device applied to lightning protection detection | |
| CN204461424U (en) | A kind of rod-type sounder of improvement | |
| CN104457495A (en) | Displacement sensor detecting device | |
| CN202770729U (en) | Magnetic levitation bearing supporting structure step scan moment of force measuring device | |
| CN205159940U (en) | Cable wiring arrangement | |
| CN209113261U (en) | A kind of power modulating device of automatic winding device | |
| CN204214394U (en) | Based on the length measurement device of Hall element | |
| CN203443576U (en) | Gap measuring apparatus | |
| CN201974351U (en) | External rotation-type electrical measurement liquid viscosimeter device | |
| CN215217740U (en) | Underground water level measuring device for water quality monitoring | |
| CN203824544U (en) | Apparatus for measuring length of cable laid and reeled by winch | |
| CN210070821U (en) | Bearing detection equipment | |
| CN206246118U (en) | A kind of new sounding gear of rotary drilling rig | |
| CN210152686U (en) | Roadway support device based on fiber bragg grating and capable of being remotely monitored | |
| CN202687592U (en) | Winding tension automatic control device | |
| CN204574996U (en) | Automobile chassis perimeter height pick-up unit | |
| CN201999663U (en) | Moment limiter for providing safe rotation area protection for outrigger in various states | |
| CN204346322U (en) | Displacement transducer pick-up unit | |
| CN201104236Y (en) | External shutter opening testing apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180428 Address after: 621700 Huafeng new village, Jiangyou City, Mianyang, Sichuan Province, No. 9 Patentee after: INSTITUTE OF MATERIALS, CHINA ACADEMY OF ENGINEERING PHYSICS Address before: 621700 De Sheng Nan Road, Jiangyou City, Mianyang, Sichuan Province, No. 87 Patentee before: SICHUAN JUNENG NUCLEAR TECHNOLOGY ENGINEERING Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20211121 |