CN104803311A - Winch - Google Patents
Winch Download PDFInfo
- Publication number
- CN104803311A CN104803311A CN201510212104.3A CN201510212104A CN104803311A CN 104803311 A CN104803311 A CN 104803311A CN 201510212104 A CN201510212104 A CN 201510212104A CN 104803311 A CN104803311 A CN 104803311A
- Authority
- CN
- China
- Prior art keywords
- drum
- steel cable
- winch
- reel
- motor
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/30—Rope, cable, or chain drums or barrels
- B66D1/34—Attachment of ropes or cables to drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/48—Control devices automatic
Abstract
The embodiment of the invention discloses a winch. The winch comprises a driving device, a winding device, a braking device and a control device, wherein the driving device is in power transmission connection with the winding device; a steel rope of the winding device is wound on a winding drum, an upper pulley block and a lower pulley block in a patterned way to prevent rope disorder; a brake of the braking device is used for braking by hooping a brake wheel on a high-speed shaft of a speed reducer; a motor halting control device of the control device is used for stopping a motor when a winding drum body rotates to an upper/lower limit position through a serial contactor between a motor protection circuit breaker and a frequency converter of a motor control loop. The winch is improved on a plurality of aspects, so that the performance of a winch product can be enhanced.
Description
Technical field
The present invention relates to lifting machinery, particularly relate to a kind of winch.
Background technology
Winch promotes or traction weight by being wound around steel cable with reel, vertical-lift can drag and draw weight.There is certain deficiency in existing winch design: such as, spool body, the drum shaft structure of reel are comparatively complicated, inconvenience is not installed; And for example, the braking effect of drg is not ideal enough, and upper and lower spacing shutdown low-response, likely causes safety misadventure; For another example, steel cable winding method is reasonable not, sometimes occurs the problem that steel cable unclamps or is intertwined thereby increasing potential safety hazard; Etc..Because above-mentioned all many-sided deficiencies, make existing winch overall performance not ideal enough, be thus necessary to be improved winch.
Summary of the invention
For the defect that prior art exists, the object of the embodiment of the present invention is to provide a kind of winch, to promote the performance of winch machine product.
For solving above technical matters, the embodiment of the present invention provides a kind of winch, comprises actuating device, wind2, brake equipment and control setup, wherein:
Actuating device is provided with motor, coupler and reductor, and this reductor is installed on frame, and the high speed shaft of reductor is connected with the power take-off shaft of motor by coupler;
Wind2 is provided with reel, top sheave group, downslide wheels and steel cable, reel comprises spool body and drum shaft, the two ends of spool body arrange pressure rope structure respectively, first end plate of spool body is connected with the slow-speed shaft of reductor by drum connection structure, second end plate of spool body and the first end of stay bearing plate fixed pedestal drum shaft, second end of drum shaft is supported in the drum support that frame is installed, top sheave group is positioned frame, downslide wheels can connect workpiece, the first end of steel cable is around in the first end of reel and is fixed on the first pressure rope position, second end of steel cable is around in the second end of reel and is fixed on reel second pressure rope position, steel cable lays out from reel first conductor rope inverse position clockwise, conter clockwise walks around the first lower sheave successively, first top sheave, second lower sheave, second top sheave, cw walks around the 3rd lower sheave successively again, 3rd top sheave, after 4th lower sheave, another mistake hour hands wraparound reel second conductor rope position,
Brake equipment is provided with drg and annex, and one end of the first brake control lever of this drg, the first brake control lever, driving telescopic rod, driven expansion link is articulated with Brake Block respectively; The other end of the first brake control lever, driving telescopic rod, driven expansion link is articulated with an arm of L shape connecting rod respectively, the other end of the second brake control lever of this drg and linear rod hinge connection, the other end of this linear connecting rod and another arm of L shape connecting rod hinged, first slipper is installed on the inner side of the first brake control lever, second slipper is installed on the inner side of the second brake control lever, and the intrados of this first slipper and the intrados of the second slipper hold the brake wheel on reductor high speed shaft tightly when braking;
Control setup is provided with motor stopping control mechanism; lifting limiting device is installed on drum support, and to carry out default up/down spacing; motor stopping control mechanism is series contactor between the motor protective circuit breaker and frequency converter of motor control loop; up/down position limit switch is connected in series to the control loop of contactless switch; up/down position limit switch spacing unlock key knob in parallel, make spool body turn to up/down spacing time stop motor running.
More preferably, this pressure rope structure comprises the steel cable pressing plate that lower surface is provided with steel cable indent, and the screw that this steel cable pressing plate is fastened by bolts in spool body is fixed in spool body to make steel cable.
More preferably, the connection semiaxis of this drum connection structure is supported in terminal pad by cylindrical roller bearing, and the medial end connecting semiaxis arranges baffle plate, connect joint portion, the inner side inner cover plate shutoff of semiaxis, cylindrical roller bearing and terminal pad, connect joint portion, the outside outer cover plate shutoff of semiaxis, cylindrical roller bearing and terminal pad, terminal pad and flange are fixed, and flange is anchored on the first end plate on spool body.
More preferably, the supporting base of this drum support is arranged support bearing seat, drum shaft bearing is supported in support bearing seat, drum shaft is supported in drum shaft bearing by tapered roller bearing, joint portion, the inner side inner cover plate shutoff of support bearing seat, drum shaft bearing and tapered roller bearing, joint portion, the outside outer cover plate shutoff of support bearing seat, drum shaft bearing and tapered roller bearing.
More preferably, the U-shaped support of this lifting limiting device is fixed on the outer cover plate of drum support, limiting device housing by screw fastening in U-shaped support, screw rod and pilot bar are supported on limit switch, push pedal is installed on screw rod and is arranged in pilot bar and slides, active conductive post one end is connected to push pedal, the active conductive post other end is supported on an arm of the limit switch be connected with limit switch, fixing conductive pole is fixed on another arm of limit switch, runner is installed on the end of screw rod, one end of rocking bar connects runner prejudicially, the other end of rocking bar is connected with drum shaft by drum shaft gusset piece.
Compared with prior art, the embodiment of the present invention is improved winch, machine product performance can be improved thus, its main manifestations is in the following areas: optimize spool body, drum shaft and roll support thereof, draw bail, make reel layout more reasonable, structure is more compact, installs also convenient; Improve spool body structure and steel cable canoe and press rope structure, can steel cable be avoided better to unclamp or be intertwined and the problem of disorder cable, being conducive to eliminating safe hidden trouble; Improve drg, lifting limiting device and motor stopping control mechanism, can stop in time according to predetermined intention, brake in the situations such as spacing, sudden stop, thus effectively reduce safety misadventure.
Accompanying drawing explanation
Fig. 1 is the front view of winch of the present invention;
Fig. 2 is the birds-eye view of winch of the present invention;
Fig. 3 is the right elevation of winch of the present invention;
Fig. 4 is the schematic diagram of drg of the present invention;
Fig. 5 is steel cable winding structure schematic diagram of the present invention;
Fig. 6 is the schematic diagram of reel of the present invention and drum connection structure, pressure rope structure and drum support;
Fig. 7 is the front view of spool body of the present invention;
Fig. 8 is the longitudinal sectional view of spool body of the present invention;
Fig. 9 is the schematic diagram of drum shaft of the present invention;
Figure 10 is drum connection structure schematic diagram of the present invention;
Figure 11 is that the present invention presses rope structure schematic diagram;
Figure 12 is drum support schematic diagram of the present invention;
Figure 13 is the schematic diagram that the present invention is elevated limiting device;
Figure 14 is the inner structure schematic diagram that the present invention is elevated limiting device;
Figure 15 is the electrical schematic diagram of motor stopping control mechanism of the present invention;
Figure 16 is the electrical connection graph of the limit switch of motor stopping control mechanism of the present invention.
Detailed description of the invention
In order to understand know-why and the working process of the embodiment of the present invention better, describe the present invention further below in conjunction with drawings and the specific embodiments.
The structure of Fig. 1-Figure 16 to winch of the present invention, subsystem or parts indicates, and identical label is wherein expressed as same parts.
Simultaneously see Fig. 1-Fig. 3, the complete machine structure of winch of the present invention is shown.This winch comprises actuating device, wind2, brake equipment and control setup (scheming not shown): actuating device is made up of parts such as motor M 01, coupler 7, reductors 1, and motor M 01, coupler 7, reductor 1 connect successively; Wind2 is made up of reel 2, top sheave group 3 and the parts such as downslide wheels and steel cable, and reel 2 is in transmission connection in reductor 1 and turns around to make reel 2, and steel cable is wound on reel 2, top sheave group 3 and downslide wheels and carries out folding and unfolding; Brake equipment is made up of drg 5 and annex etc., and drg 5 acts on the high speed shaft of reductor 1 or slow-speed shaft and brakes; Control setup is provided with motor stopping control mechanism, and this motor stopping control mechanism stops motor running when the upper limit preset or lower limit.
As shown in Figure 1-Figure 3, the concrete structure of this winch is: reductor 1 and drum support 4 are installed on frame S01 top, one end of reel 2 is rotationally connected with drum support 4, the other end of reel 2 is in transmission connection in the slow-speed shaft of reductor 1 by drum connection structure 8, and the high speed shaft of reductor 1 is connected with the power take-off shaft of motor M 01 by coupler (outside is provided with coupler clamshell) 7; Top sheave group 3 is positioned frame S01, and steel cable is wound in reel 2, top sheave group 3 and downslide wheels with certain style canoe, correspondingly when motor M 01 forward or reverse carries out folding and unfolding; Drg 5 is installed on reductor 1, can hold the brake wheel 6 on reductor 1 high speed shaft tightly and brake during braking.
In this winch, optimize spool body, drum shaft and roll support thereof, draw bail, reel layout is more reasonable, and structure is more compact, installs also convenient; Improve spool body structure and steel cable canoe and Ya Sheng mechanism, the problem that can steel cable avoided better to unclamp or be intertwined, is conducive to eliminating safe hidden trouble; Improve drg, lifting limiting device and motor stopping control mechanism, can stop in time according to predetermined intention, brake in the situations such as spacing, sudden stop, thus effectively reduce safety misadventure.Below further describe.
Fig. 1-Fig. 3 illustrates drg mounting structure, and this drg 5 is installed on the high speed shaft of reductor 1, by holding brake wheel 6 tightly, reductor 1 is braked, and makes the reel 2 on the slow-speed shaft of reductor 1 brake thus.Below further the structure of drg is described in detail.
See Fig. 4, the structure of drg of the present invention is shown.In this drg 5, the first brake control lever 52, first brake control lever 53, the band driving telescopic rod (can be cylinder or oil cylinder) 59 of actuating device 50, one end of driven expansion link 58 are articulated with Brake Block 51 respectively; The other end of the first brake control lever 52, driving telescopic rod 59, driven expansion link 58 is articulated with an arm of L shape connecting rod 57 respectively; The other end and the linear connecting rod 55 of the second brake control lever 53 are hinged, the other end of linear connecting rod 55 and another arm of L shape connecting rod 57 hinged; First slipper 56 is installed on the inner side of the first brake control lever 52, and the second slipper 54 is installed on the inner side of the second brake control lever 53, and the intrados of this first slipper 56 and the intrados of the second slipper 54 hold the brake wheel 6 on reductor 1 high speed shaft tightly when braking.This brake mode structure is simple, and braking response is fast, and effect is better.
See Fig. 5, steel cable winding structure of the present invention is shown.In this steel cable winding structure, steel cable 10 is wound in reel 2 by following manner, top sheave (fixed pulley) organize 3 and lower sheave (movable pulley) organize 9: top sheave group 3 is positioned frame, downslide wheels 9 can connect workpiece, the first end of steel cable 10 is around in the first end of reel 2 and is fixed on the first pressure rope position 2a, second end of steel cable 10 is around in the second end of reel 2 and is fixed on reel 2 second pressure rope position 2d, steel cable 10 lays out from reel 2 first conductor rope position 2b anticlockwise direction, conter clockwise walks around the first lower sheave 91 successively, first top sheave 31, second lower sheave 92, second top sheave 32, cw walks around the 3rd lower sheave 93 successively again, 3rd top sheave 33, after 4th lower sheave 94, another mistake hour hands wraparound reel 2 second conductor rope position 2c.Steel cable 10 adopts this canoe, can reduce the probability of occurrence that steel cable was wound around, unclamped etc. bad phenomenon.
See Fig. 6, reel of the present invention and drum connection structure, pressure rope structure and drum support are shown.Reel 2 comprises spool body 21 and drum shaft 22, the first end of this drum shaft 22 is fixedly supported to the second end of spool body 21, the first end of spool body 21 is connected with the slow-speed shaft of reductor 1 by drum connection structure (the I part in Fig. 6), second end of drum shaft 22 is supported in drum support (the III part in Fig. 6), installs very convenient.In addition, the top, two ends of spool body 21 arranges pressure rope structure (the II part in Fig. 6) respectively, can fix the end of steel cable 10 preferably.
Simultaneously see 7-Fig. 8, the structure of reel of the present invention is shown.This spool body 21 arranges the first end plate 25, second end plate 24 and stay bearing plate 23, first end plate 25 of spool body 21 is connected by the slow-speed shaft of drum connection structure with reductor 1, second end plate 24 of spool body 21 and stay bearing plate 23 fixed pedestal drum shaft 22, this drum shaft 22 is installed on drum support, installs very convenient.
As shown in Figs. 7-8, this spool body 21 arranges steel cable guide groove 211 above, is convenient to steel cable 10 and introduces along steel cable guide groove 211/draw, be conducive to steel cable 10 thus and be wound around in an orderly manner.
See Fig. 9, the structure of drum shaft of the present invention is shown.This drum shaft 22 comprises drum shaft main body 222, the first end of drum shaft main body 222 arranges first shaft shoulder 221, second end of drum shaft main body 222 arranges second shaft shoulder 224 and the 3rd shaft shoulder 225, wherein, the external diameter of drum shaft main body 222, first shaft shoulder 221, second shaft shoulder 224 and the 3rd shaft shoulder 225 reduces successively, and between drum shaft main body 222 and second shaft shoulder 224, tapered transitional 223 is set, this drum shaft 22 structural strength is better, also convenient installation.
See Figure 10, drum connection structure of the present invention is shown.In this drum connection structure, connect semiaxis 84 and be supported in terminal pad 82 by cylindrical roller bearing 87, and the medial end connecting semiaxis 84 arranges baffle plate 86, connect joint portion, inner side inner cover plate 85 shutoff of semiaxis 84, cylindrical roller bearing 87 and terminal pad 82, connect joint portion, outside outer cover plate 83 shutoff of semiaxis 84, cylindrical roller bearing 87 and terminal pad 82, terminal pad 82 is fixed with flange 81, and flange 81 is anchored on the first end plate 25 on spool body 21.This structure connects reliable, easy for installation.
See Figure 11, illustrate that the present invention presses rope structure.This pressure rope structure 11 comprises steel cable pressing plate 111, the lower surface of steel cable pressing plate arranges steel cable indent 1121, this steel cable pressing plate 111 is anchored in the screw of spool body 21 by bolt 112, makes steel cable 10 be reliably fixed on spool body 21 and can not deviate from, increases safety factor thus.
See Figure 12, drum support of the present invention is shown.In this drum support 4, supporting base 41 is arranged support bearing seat 43, drum shaft bearing 44 is supported in support bearing seat 43, drum shaft 22 is supported in drum shaft bearing 44 by tapered roller bearing 45, support bearing seat 43, joint portion, inner side inner cover plate 42 shutoff of drum shaft bearing 44 and tapered roller bearing 45, support bearing seat 43, joint portion, outside outer cover plate 47 shutoff of drum shaft bearing 44 and tapered roller bearing 45.This compact conformation, it is convenient to install.
As shown in figure 12, the present embodiment illustrates the mounting structure of lifting limiting device.In Figure 12, drum shaft 22 is arranged drum shaft gusset piece 46, in order to install the drive end (rocking bar as screw lifting limiting device 12) of lifting limiting device 12, when reel 2 rotational angle exceedes predetermined value (revolution), electrical connection can be disconnected to prevent reel from rotating further, can limit adjustable height like this.Below in conjunction with Figure 12-Figure 14, further describe.
See Figure 13-Figure 14, illustrate that the present invention is elevated limiting device structure.Simultaneously with reference to Figure 12, this lifting limiting device 12 comprises U-shaped support 121, rocking bar 122, screw rod 123, runner 124, limiting device housing 125, pilot bar 126, push pedal 127, active conductive post 128, limit switch 129 and fixing conductive pole 120:U shape support 121 are fixed on the outer cover plate 47 be connected with drum shaft 22, limiting device housing 125 by screw fastening in U-shaped support 121, screw rod 123 is supported on limiting device housing 125, push pedal 127 is installed on screw rod 123, active conductive post 128 one end is connected to push pedal 127, active conductive post 128 other end is supported on an arm of the limit switch 129 be connected with limiting device housing 125, fixing conductive pole 120 is fixed on another arm of limit switch 129, runner 124 is installed on the end of screw rod 123, one end of rocking bar 122 connects runner 124 prejudicially, the other end of rocking bar 122 is connected with drum shaft gusset piece 46.
In addition, limiting device pedestal 125 also installs pilot bar 126, this pilot bar 126 be arranged in parallel with screw rod 123, and push pedal 127 is arranged in pilot bar 126 and slides, to ensure to move reposefully.
In this embodiment, the position of push pedal 127 can be adjusted in advance.When reel 2 scrolling, rocking bar 122 rotates with drum shaft gusset piece 46, by runner 124, screw rod 123 is rotated, and push pedal 127 translation drives active conductive post 128 to depart from fixing conductive pole 120, disconnect electrical connection thus and play position-limiting action, improving safety performance thus.
The structure of Figure 13-Figure 14 to lifting limiting device 12 is illustrated, and namely this lifting limiting device can be used for upper limit, also can be used for lower limit.The limit switch being about to lifting limiting device is connected to the control loop of the motor M 01 of winch, stops motor M 01 to run, play safety guard-safeguard effect thus by the motor protective circuit breaker triggered in motor control loop.
The present invention is directed to prevent, the spacing situation of spacing appearance, improve in electric control system simultaneously, be described as follows.
Simultaneously see Figure 15-Figure 16, the circuit structure of motor stopping control mechanism of the present invention is shown.This motor stopping control mechanism can be used for winch, also can be used for the jacking system of other type, and its electrical structure is: in the control loop of motor M 01, adds a contactless switch KM01 between motor protective circuit breaker QF01 and frequency converter VF01; Upper the next limit switch SQ01, SQ02 are connected in series in the control loop of this contactless switch KM01.Herein; the terminal 1-6 of motor protective circuit breaker QF01; A1, A2 (three groups of terminals 1,2) of contactless switch KM01; terminal R, S, T, V, W, PE of frequency converter VF01; the terminal 11,12 of limit switch SQ01, SQ02; and the terminal 13,14 of spacing unlock key knob SB01 is connected according to Figure 15 with Figure 16, no longer specifically launches explanation.
After limit switch SQ01 or SQ02 is triggered, directly cut off the coil power of contactless switch KM01, contactless switch KM01 discharges, and cuts off the power supply in frequency converter VF01 loop thus, thus stops the operation of motor M 01 fast; After this, can be unlocked by rotary stopper unlock key knob SB01.This mode, decrease the intermediate link of process limit signal, time fault is occurred, motor can stop at once, avoids the damage of equipment and the injures and deaths of personnel.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible variation and amendment, the scope that therefore protection scope of the present invention should define with the claims in the present invention is as the criterion.
Claims (5)
1. a winch, comprises actuating device, wind2, brake equipment and control setup, it is characterized in that, wherein:
Actuating device is provided with motor, coupler and reductor, and this reductor is installed on frame, and the high speed shaft of reductor is connected with the power take-off shaft of motor by coupler;
Wind2 is provided with reel, top sheave group, downslide wheels and steel cable, reel comprises spool body and drum shaft, the two ends of spool body arrange pressure rope structure respectively, first end plate of spool body is connected with the slow-speed shaft of reductor by drum connection structure, second end plate of spool body and the first end of stay bearing plate fixed pedestal drum shaft, second end of drum shaft is supported in the drum support that frame is installed, top sheave group is positioned frame, downslide wheels can connect workpiece, the first end of steel cable is around in the first end of reel and is fixed on the first pressure rope position, second end of steel cable is around in the second end of reel and is fixed on reel second pressure rope position, steel cable lays out from reel first conductor rope inverse position clockwise, conter clockwise walks around the first lower sheave successively, first top sheave, second lower sheave, second top sheave, cw walks around the 3rd lower sheave successively again, 3rd top sheave, after 4th lower sheave, another mistake hour hands wraparound reel second conductor rope position,
Brake equipment is provided with drg and annex, and one end of the first brake control lever of this drg, the first brake control lever, driving telescopic rod, driven expansion link is articulated with Brake Block respectively; The other end of the first brake control lever, driving telescopic rod, driven expansion link is articulated with an arm of L shape connecting rod respectively, the other end of the second brake control lever of this drg and linear rod hinge connection, the other end of this linear connecting rod and another arm of L shape connecting rod hinged, first slipper is installed on the inner side of the first brake control lever, second slipper is installed on the inner side of the second brake control lever, and the intrados of this first slipper and the intrados of the second slipper hold the brake wheel on reductor high speed shaft tightly when braking;
Control setup is provided with motor stopping control mechanism; lifting limiting device is installed on drum support, and to carry out default up/down spacing; motor stopping control mechanism is series contactor between the motor protective circuit breaker and frequency converter of motor control loop; up/down position limit switch is connected in series to the control loop of contactless switch; up/down position limit switch spacing unlock key knob in parallel, make spool body turn to up/down spacing time stop motor running.
2. winch as claimed in claim 1, it is characterized in that, this pressure rope structure comprises the steel cable pressing plate that lower surface is provided with steel cable indent, and the screw that this steel cable pressing plate is fastened by bolts in spool body is fixed in spool body to make steel cable.
3. winch as claimed in claim 2, it is characterized in that, the connection semiaxis of this drum connection structure is supported in terminal pad by cylindrical roller bearing, and the medial end connecting semiaxis arranges baffle plate, connect joint portion, the inner side inner cover plate shutoff of semiaxis, cylindrical roller bearing and terminal pad, connect joint portion, the outside outer cover plate shutoff of semiaxis, cylindrical roller bearing and terminal pad, terminal pad and flange are fixed, and flange is anchored on the first end plate on spool body.
4. winch as claimed in claim 3, it is characterized in that, the supporting base of this drum support is arranged support bearing seat, drum shaft bearing is supported in support bearing seat, drum shaft is supported in drum shaft bearing by tapered roller bearing, joint portion, the inner side inner cover plate shutoff of support bearing seat, drum shaft bearing and tapered roller bearing, joint portion, the outside outer cover plate shutoff of support bearing seat, drum shaft bearing and tapered roller bearing.
5. winch as claimed in claim 4, it is characterized in that, the U-shaped support of this lifting limiting device is fixed on the outer cover plate of drum support, limiting device housing by screw fastening in U-shaped support, screw rod and pilot bar are supported on limit switch, push pedal is installed on screw rod and is arranged in pilot bar and slides, active conductive post one end is connected to push pedal, the active conductive post other end is supported on an arm of the limit switch be connected with limit switch, fixing conductive pole is fixed on another arm of limit switch, runner is installed on the end of screw rod, one end of rocking bar connects runner prejudicially, the other end of rocking bar is connected with drum shaft by drum shaft gusset piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212104.3A CN104803311A (en) | 2015-04-28 | 2015-04-28 | Winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212104.3A CN104803311A (en) | 2015-04-28 | 2015-04-28 | Winch |
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| CN104803311A true CN104803311A (en) | 2015-07-29 |
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| CN201510212104.3A Pending CN104803311A (en) | 2015-04-28 | 2015-04-28 | Winch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108975190A (en) * | 2018-09-26 | 2018-12-11 | 东莞市台冠起重机械设备有限公司 | It is a kind of for the retarder of lifting mechanism and the attachment device of reel |
| CN109704217A (en) * | 2017-10-26 | 2019-05-03 | 烟台海特林自动化科技有限公司 | A kind of hoist engine and the high building cleaning equipment using the hoist engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704217A (en) * | 2017-10-26 | 2019-05-03 | 烟台海特林自动化科技有限公司 | A kind of hoist engine and the high building cleaning equipment using the hoist engine |
| CN109704217B (en) * | 2017-10-26 | 2023-09-29 | 烟台海特林自动化科技有限公司 | High-rise cleaning equipment using winch |
| CN108975190A (en) * | 2018-09-26 | 2018-12-11 | 东莞市台冠起重机械设备有限公司 | It is a kind of for the retarder of lifting mechanism and the attachment device of reel |
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