CN103956676A - Reverse-retreating preventing device - Google Patents
Reverse-retreating preventing device Download PDFInfo
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- CN103956676A CN103956676A CN201410057446.8A CN201410057446A CN103956676A CN 103956676 A CN103956676 A CN 103956676A CN 201410057446 A CN201410057446 A CN 201410057446A CN 103956676 A CN103956676 A CN 103956676A
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- pulley
- connecting rod
- pull rope
- brake assemblies
- mill
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Abstract
The invention provides a reverse-retreating preventing device which includes a base used for providing support; a detection assembly which is located on the base and used for detecting the motion direction of a winching mill traction rope; and a braking assembly which is located on the base and connected with the detection assembly. The detection assembly triggers the braking assembly to move when detecting reverse movement of the winching mill traction rope so as to make the braking assembly clamp tightly the winching mill traction rope. The reverse-retreating preventing device is capable of automatically detecting the motion direction of the winching traction rope and clamping tightly the traction rope when the traction rope move reversely so as to prevent generation of a reverse-retreating phenomenon and thus different kinds of accidents caused by reverse retreating are prevented.
Description
Technical field
The present invention relates to rope direction of motion control technology field, particularly, the present invention be more particularly directed to a kind of anti-race mill apparatus.
Background technology
Strand mill is one of plant equipment the most frequently used in transmission line construction.It is mainly used in towage, be widely used in each operation of line construction, as: tower erection, put stringing, set up opgw(Optical Fiber Composite Overhead Ground Wire, Optical Fiber composite overhead Ground Wire) optical cable.
Strand is ground at the scene in work progress, and the unexpected situation of appearance is substantially all to run mill, and the implication of running mill is: in the time utilizing the normal traction of strand mill, due to certain uncontrollable reason, cause the pull rope being wrapped on strand mill to withdraw rapidly in the other direction.Run mill phenomenon if occur, strand mill is ineffective, and pull rope will withdraw rapidly, drives bobbin to move rapidly to strand mill direction, if Field Force is too late to dodge, just Field Force is damaged, even dead.
Probe into run mill produce reason, roughly have following some:
1, in the time of normal traction, pull rope stirs together, runs mill in the time prizing strand mill pull rope.
2, not right owing to dragging the direction that tail rope personnel drag, tail rope causes running outer the coming off of strand mill and grinds.
3, exchange is while dragging tail rope personnel, coordinates not tacit or to drag the people of mill rope few and cause running and grind.
4, pull rope has breakage to find in time, when through strand mill, disconnects, and also will cause running mill.
It is more that the reason of mill is run in visible generation, and run after mill phenomenon occurs, and endanger very hugely, and Given this, industry is necessary to develop anti-race mill apparatus, to avoid running the generation of grinding phenomenon.
Summary of the invention
The object of the present invention is to provide a kind of anti-race mill apparatus, the problem of mill may occur to run in the time applying to solve strand mill.
In order to address the above problem, the invention provides a kind of anti-race mill apparatus, its technical scheme is as follows:
A kind of anti-race mill apparatus, it comprises: base, for providing support; Detection components, is positioned on described base, for detection of the direction of motion of strand mill pull rope; Brake assemblies, is positioned on described base, is connected with described detection components; The opposite direction of described detection components detection strand mill pull rope triggers described brake assemblies action while movement, makes described brake assemblies clamping twist mill pull rope.
Preferably, in above-mentioned anti-race mill apparatus, described base is tabular, and the front end of described base is fixed with draw ring.
Preferably, in above-mentioned anti-race mill apparatus, described detection components comprises: pulley mechanism, comprise at least one pulley, and the groove of described pulley is for spacing strand mill pull rope, to detect the direction of motion of strand mill pull rope; Transmission mechanism, is connected with rotating shaft and the described brake assemblies of described pulley, when detecting that at described pulley mechanism the strand mill pull rope direction of motion changes, triggers described brake assemblies.
Preferably, in above-mentioned anti-race mill apparatus, described pulley mechanism comprises the first parallel pulley of axis, the second pulley and the 3rd pulley, described the first pulley, the 3rd pulley are positioned at the both sides of described the second pulley, and the height of described the first pulley, the 3rd pulley is different from described the second pulley, so that strand mill pull rope can closely embed in the groove of described the first pulley, the second pulley and the 3rd pulley; The rotating shaft of described the second pulley is connected with described transmission mechanism.
Preferably, in above-mentioned anti-race mill apparatus, described transmission mechanism comprises: ratchet and pawl arrangement, be located at rotating shaft one end of described pulley, the ratchet of described ratchet and pawl arrangement, in the time that strand mill pull rope occurs to move, drives the ratchet of described ratchet and pawl arrangement to rotate in the other direction; Foreign steamer, is fixed on the ratchet outside of described ratchet and pawl arrangement; Linkage, is connected with described foreign steamer, for making the rotation of described foreign steamer drive to described brake assemblies, to trigger described brake assemblies action.
Preferably, in above-mentioned anti-race mill apparatus, described linkage comprises: first connecting rod, and first end is connected with described foreign steamer; Second connecting rod, the second end of first end and described first connecting rod is hinged, and the second end is articulated with on described base; Third connecting rod, middle part is articulated with on described base, and first end is positioned at the first end below of described second connecting rod; In the time that described foreign steamer rotates, drive described second connecting rod to tilt to the first end of described third connecting rod, and press down described third connecting rod the second end of described third connecting rod is upwarped, to trigger described brake assemblies action.
Preferably, in above-mentioned anti-race mill apparatus, described linkage also comprises: the 4th connecting rod, and it is L shaped that first end is bent upwards formation, and the second end is connected with described brake assemblies; It is L shaped that the second end of described third connecting rod is bent downwardly formation, the second end of described third connecting rod engages with the first end of described the 4th connecting rod, in the time that the second end of described third connecting rod upwarps, the first end of the second end of described third connecting rod and described the 4th connecting rod departs from, to trigger described brake assemblies action.
Preferably, in above-mentioned anti-race mill apparatus, described brake assemblies comprises: fixing-line device, be fixed on described base, and comprise draw-in groove and pull handle, the groove of described draw-in groove and described pulley is in same plane, and described pull handle is connected with the second end of described the 4th connecting rod; Stopper slot, corresponding with described draw-in groove, for spacing strand mill pull rope.
Preferably, in above-mentioned anti-race mill apparatus, described stopper slot is the groove of a spacing pulley, the rotating shaft of described spacing pulley is set up on one first otic placode, the second otic placode, relatively described the second otic placode of described the first otic placode is articulated with on described base turningly, and described the second otic placode is fixed on described base.
Preferably, in above-mentioned anti-race mill apparatus, described the first pulley, the 3rd pulley include height regulating mechanism, to adjust the height of described the first pulley, the 3rd pulley, thereby make strand mill pull rope contact tightr with described the second pulley.
Analyze knownly, the present invention can detect the direction of motion of strand mill pull rope automatically, and clamp in time in the time of pull rope generation counter motion, prevents from running mill phenomenon and occurs, thereby avoid running all kinds of accidents of mill initiation.
Brief description of the drawings
Fig. 1 is the perspective view of the preferred embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As shown in Figure 1, the main base 1 of this preferred embodiment, be located at base 1 first half 103 detection components, be located at the brake assemblies of base 1 latter half of 104.What need to illustrate in advance is, first half 103, latter half of 104 and the master of following base 1 be all for convenience of description depending on the term in the expression orientation such as side 101, backsight side 102, and should not be construed as to base 1 and on shape, structure, any restriction of position of detection components, brake assemblies.
Particularly, base 1 is mainly used in providing support for detection components, brake assemblies.Preferably, base 1 is tabular, and the front end of base 1 is fixed with draw ring 105, and draw ring 105 is mainly used in being connected with a fixture.
Detection components is positioned at the first half 103 of base 1, and for detection of the direction of motion of strand mill pull rope, and in the time of pull rope generation counter motion, when pull rope is away from strand mill, this direction of detection components perception changes, and this variation is passed to brake assemblies.
Brake assemblies is positioned at the latter half of 104 of base 1, and it is connected with detection components; The opposite direction of detection components detection strand mill pull rope triggers brake assemblies action while movement, makes brake assemblies clamping twist mill pull rope.
Preferably, as shown in Figure 1, detection components mainly comprises for detection of the pulley mechanism of the direction of motion of strand mill pull rope, the direction of pull rope is changed to signal and drives to the transmission mechanism of brake assemblies.Pulley mechanism and transmission mechanism couple.Wherein, pulley mechanism comprises three pulleys and corresponding frames, has the 3rd pulley of same structure but three pulleys are respectively the first pulley 24, the second pulley 34 and unmarked and the first pulley 24.The groove of three pulleys is all for spacing strand mill pull rope, wherein 34, the second pulley is to change for detection of the direction of motion of pull rope, and by its rotating shaft 36, this change is passed to transmission mechanism, make transmission mechanism in the time that the second pulley 34 detects that the strand mill pull rope direction of motion changes, trigger brake assemblies, occur thereby clamping pull rope prevents from running mill phenomenon.
More specifically, in pulley mechanism, the first pulley 24, the second pulley 34 are parallel with the axis of the 3rd pulley, and the first pulley 24, the 3rd pulley are positioned at the both sides of the second pulley 34.The first pulley 24, the height of the 3rd pulley 34 is different from the second pulley, for example, lower than the second pulley 34, make the upper grooves of pull rope through the first pulley 24, the lower grooves of the second pulley 34, the upper grooves of the 3rd pulley, also be, make pull rope pass through the groove of three pulleys with the state of slight curvature, thereby make strand mill pull rope can closely embed the first pulley 24, in the groove of the second pulley 34 and the 3rd pulley, make whereby pull rope contact tightr with the second pulley 34, the second pulley 34 can be more timely, the direction of perception pull rope changes more accurately.
More preferably, the first pulley 24 is between two otic placodes 21,22, being positioned at base 1 master is an overall structure depending on side 101 1 sides' otic placode 22, the otic placode 21 that is positioned at base 1 backsight side 102 1 sides is two-part structure: comprise upper ear plate 211, lower ear plate 212, the upper end of the lower end of upper ear plate 211 and lower ear plate 212 is hinged, is also that upper ear plate 211 can be to the direction upset of backsight side 102.Because the 3rd pulley is identical with the first pulley 24 structures, do not repeat them here.The second pulley 34 is between two otic placodes 31,35, and the below of otic placode 31 is one can pass through the space 30 of pull rope, and 30 belows, space are a riser 32.When operation, upper ear plate 211 is overturn to backsight side 102 at the scene, make pull rope from upper ear plate 211, in space 30, embed the groove of three pulleys.Visible, the turning design of upper ear plate 211 and the unsettled design of otic placode 31 facilitate pull rope to embed in the groove of three pulleys at the scene.More preferably, in order to increase the intensity of support otic placode of three pulleys, avoid pull rope to come off simultaneously, this preferred embodiment also comprises a stiffener, after pull rope embeds the groove of pulley, by bolt, stiffener is fastened on otic placode 31, riser 32, this stiffener also extends and is covered on upper ear plate 211, lower ear plate 212 simultaneously.
More preferably, first pulley 24 of this preferred embodiment, the 3rd pulley include height regulating mechanism, to adjust the height of the first pulley 23, the 3rd pulley, thereby make strand mill pull rope contact tightr with the second pulley.Particularly, base 1 below is provided with vertical double-screw bolt 82 and a not shown drive plate, and base 1 is provided with a threaded block 81, and threaded block 81 is provided with a screwed hole, the upper end of double-screw bolt 82 is through base 1 and screw in this screwed hole, and drive plate is threaded with double-screw bolt 82 simultaneously.The two ends of the rotating shaft 23 of the first pulley 24 can be up or down through being set up in respectively column 25 upper ends after otic placode 21,22, the lower end of column 25 is fixed on drive plate through base 1.In the time that double-screw bolt 82 rotates, drive drive plate to move up and down, drive plate drives column 25 to slide up and down, thereby drives rotating shaft 23 and the first pulley 24 to move up and down.Regulate the height of the first pulley 24 to be convenient to pull rope to embed in its groove, be convenient to adjust the frictional force between pull rope and three pulleys simultaneously.
Shown in Fig. 1, transmission mechanism comprises again: foreign steamer 37, ratchet and pawl arrangement 38 and linkage.Ratchet and pawl arrangement 38 is located at the rotating shaft 36 of the second pulley 34 through one end of otic placode 35, and riser 39 is supported in this end of rotating shaft 36.The ratchet of ratchet and pawl arrangement 38 is in the time that strand mill pull rope occurs to move in the other direction, and the ratchet of driving pawl detent mechanism 38 rotates; Foreign steamer 37 is fixed on the ratchet outside of ratchet and pawl arrangement 38.
Foreign steamer 37, ratchet and pawl arrangement 38 are identical with the structure of bicycle freewheel (freewheel clutch), for cost-saving, and the bicycle freewheel that directly adopted embodiment illustrated in fig. 1.In the time of normal traction, bicycle freewheel transfixion, once pull rope reverse movement will drive bicycle freewheel to rotate.
Linkage is connected with foreign steamer 37, drives to brake assemblies for the rotation that makes foreign steamer 37, to trigger brake assemblies action.Preferably, linkage comprises: first connecting rod 51, second connecting rod 52, third connecting rod 55, the 4th connecting rod 6.The first end of first connecting rod 51 is connected with foreign steamer 37.The second end of the first end of second connecting rod 52 and first connecting rod 51 is hinged, and the second end is articulated with on the supporting seat 53 on base 1.The middle part of third connecting rod 55 is articulated with the supporting seat 58 on base 1 by an articulated slab 59, and its first end extends a flat board 54 to foreign steamer 37 belows, and dull and stereotyped 54 are positioned at the first end below of second connecting rod 52.In the time that foreign steamer 37 rotates, drive second connecting rod 52 to tilt to the first end of third connecting rod 55, and press down third connecting rod 55 the second end of third connecting rod 55 is upwarped, to trigger brake assemblies action.It is L shaped that the first end of the 4th connecting rod 6 is bent upwards formation, and the second end is connected with the fixing-line device 4 of brake assemblies.It is L shaped that the second end 551 of third connecting rod 55 is bent downwardly formation, the second end 551 of third connecting rod 55 engages with the first end 61 of the 4th connecting rod 6, in the time that the second end of third connecting rod 55 upwarps, the second end 551 of third connecting rod 55 and the first end 61 of the 4th connecting rod 6 depart from, and move with the fixing-line device 4 that triggers brake assemblies.
In order to prevent that third connecting rod 55 from unnecessary swing occurring, this preferred embodiment also comprises limitting casing 57, and this limitting casing 57 is a shape structure, and third connecting rod 55 is from wherein passing through.In addition, for third connecting rod 55 can be resetted in time, and the second end 551 that makes third connecting rod 55 engage with the first end 61 of the 4th connecting rod 6 tightr, below the first end of third connecting rod 55, be provided with a vertical Compress Spring 56, Compress Spring 56 is fixed between third connecting rod 55 and base 1.
Again as shown in Figure 1, brake assemblies comprises fixing-line device 4 and spacing pulley 73.Fixing-line device 4 is fixed on base 1, comprises draw-in groove 40 and pull handle 41.Because fixing-line device 4 is prior art, Fig. 1 only schematically shows its structure, also repeats no more its structure at this.Draw-in groove 40 is with the groove of aforementioned three pulleys in same plane, and the front end 412 of pull handle 41 is connected with the second end of the 4th connecting rod 6, and 411 of rear ends are pull-handle ring.The groove of spacing pulley 73 is as the stopper slot of pull rope, and it is corresponding with draw-in groove 40, for spacing strand mill pull rope, prevents that pull rope from swinging.
More preferably, the rotating shaft 74 of spacing pulley 73 is set up on an otic placode 71, otic placode 72, and the relative otic placode 72 of otic placode 71 is articulated with on base 1 turningly, and the second otic placode 72 is fixed on base 1.Also, be similar to the frames of the first pulley 24, otic placode 71 comprises upper ear plate 711, lower ear plate 712, and upper ear plate 711 can overturn to the backsight side 102 of base 1, is convenient to pull rope to embed in the groove of draw-in groove 40 and spacing pulley 73.Further, the upper end of otic placode 72 is a bolt 75, two nuts 76, and the end of rotating shaft 74 is positioned at bolt 75 downsides.When upset upper ear plate 711, swivel bolt 75, be convenient to rotating shaft 74 and depart from otic placode 72, after pull rope is put between draw-in groove 40 and otic placode 71, otic placode 72, make again upper ear plate 711 vertical, pull rope embeds in the groove of spacing pulley 73, then bolt 75 is screwed in two nuts 76, and bolt 75 is pressed in rotating shaft 74.
In application, when this preferred embodiment, the pull-handle ring of fixing-line device 4 can be connected with the tractor that strand mill is installed, and draw ring 105 for example, by cable etc. and a fixture, earth anchor, connection.By foregoing description, after pull rope being embedded to the groove and draw-in groove 40 of the first pulley 24, the second pulley 34, the 3rd pulley, spacing pulley, just can normal operation.Mobile in the other direction when there is pull rope, while having the trend that departs from strand mill, the second pulley 34 opposite spin immediately, drive foreign steamer 37 to rotate, the second end of third connecting rod 55 upwarps and departs from the first end of the 4th connecting rod 6,41 of pull handles are clamped on pull rope in draw-in groove 40 immediately, and because the tractor that strand mill is installed has enough weight and power, therefore it can prevent that pull rope from further moving.
In sum, the present invention can prevent from simply and easily running mill phenomenon and occur, and has greatly improved the fail safe at electric operating scene.Meanwhile, the present invention is simple in structure, with low cost, is convenient to large-scale promotion.Certainly, the present invention is not only applicable to strand mill pull rope, and can be applied in any occasion that needs rope unidirectional motion, will avoid the motion of rope generation opposite direction simultaneously.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Within the scope of the present invention all or be all included in the invention in the change being equal in scope of the present invention.
Claims (10)
1. an anti-race mill apparatus, is characterized in that, comprising:
Base, for providing support;
Detection components, is positioned on described base, for detection of the direction of motion of strand mill pull rope;
Brake assemblies, is positioned on described base, is connected with described detection components; The opposite direction of described detection components detection strand mill pull rope triggers described brake assemblies action while movement, makes described brake assemblies clamping twist mill pull rope.
2. anti-race mill apparatus according to claim 1, is characterized in that, described base is tabular, and the front end of described base is fixed with draw ring.
3. anti-race mill apparatus according to claim 1, is characterized in that, described detection components comprises:
Pulley mechanism, comprises at least one pulley, and the groove of described pulley is for spacing strand mill pull rope, to detect the direction of motion of strand mill pull rope;
Transmission mechanism, is connected with rotating shaft and the described brake assemblies of described pulley, when detecting that at described pulley mechanism the strand mill pull rope direction of motion changes, triggers described brake assemblies.
4. anti-race mill apparatus according to claim 3, it is characterized in that, described pulley mechanism comprises the first parallel pulley of axis, the second pulley and the 3rd pulley, described the first pulley, the 3rd pulley are positioned at the both sides of described the second pulley, and the height of described the first pulley, the 3rd pulley is different from described the second pulley, so that strand mill pull rope can closely embed in the groove of described the first pulley, the second pulley and the 3rd pulley;
The rotating shaft of described the second pulley is connected with described transmission mechanism.
5. anti-race mill apparatus according to claim 3, is characterized in that, described transmission mechanism comprises:
Ratchet and pawl arrangement, is located at rotating shaft one end of described pulley, and the ratchet of described ratchet and pawl arrangement, in the time that strand mill pull rope occurs to move, drives the ratchet of described ratchet and pawl arrangement to rotate in the other direction;
Foreign steamer, is fixed on the ratchet outside of described ratchet and pawl arrangement;
Linkage, is connected with described foreign steamer, for making the rotation of described foreign steamer drive to described brake assemblies, to trigger described brake assemblies action.
6. anti-race mill apparatus according to claim 5, is characterized in that, described linkage comprises:
First connecting rod, first end is connected with described foreign steamer;
Second connecting rod, the second end of first end and described first connecting rod is hinged, and the second end is articulated with on described base;
Third connecting rod, middle part is articulated with on described base, and first end is positioned at the first end below of described second connecting rod; In the time that described foreign steamer rotates, drive described second connecting rod to tilt to the first end of described third connecting rod, and press down described third connecting rod the second end of described third connecting rod is upwarped, to trigger described brake assemblies action.
7. anti-race mill apparatus according to claim 6, is characterized in that, described linkage also comprises:
The 4th connecting rod, it is L shaped that first end is bent upwards formation, and the second end is connected with described brake assemblies;
It is L shaped that the second end of described third connecting rod is bent downwardly formation, the second end of described third connecting rod engages with the first end of described the 4th connecting rod, in the time that the second end of described third connecting rod upwarps, the first end of the second end of described third connecting rod and described the 4th connecting rod departs from, to trigger described brake assemblies action.
8. anti-race mill apparatus according to claim 7, is characterized in that, described brake assemblies comprises:
Fixing-line device, is fixed on described base, comprises draw-in groove and pull handle, and the groove of described draw-in groove and described pulley is in same plane, and described pull handle is connected with the second end of described the 4th connecting rod;
Stopper slot, corresponding with described draw-in groove, for spacing strand mill pull rope.
9. anti-race mill apparatus according to claim 8, it is characterized in that, described stopper slot is the groove of a spacing pulley, the rotating shaft of described spacing pulley is set up on one first otic placode, the second otic placode, relatively described the second otic placode of described the first otic placode is articulated with on described base turningly, and described the second otic placode is fixed on described base.
10. anti-race mill apparatus according to claim 4, it is characterized in that, described the first pulley, the 3rd pulley include height regulating mechanism, to adjust the height of described the first pulley, the 3rd pulley, thereby make strand mill pull rope contact tightr with described the second pulley.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410057446.8A CN103956676B (en) | 2014-02-20 | 2014-02-20 | Anti-race mill apparatus |
| CN201610105558.5A CN105762697B (en) | 2014-02-20 | 2014-02-20 | Anti- race mill apparatus in transmission line construction |
| PCT/CN2014/078384 WO2015123929A1 (en) | 2014-02-20 | 2014-05-26 | Reverse-retreat preventing apparatus |
| EP14883308.0A EP3109959B1 (en) | 2014-02-20 | 2014-05-26 | Reverse-retreat preventing apparatus |
| JP2016503534A JP6063089B2 (en) | 2014-02-20 | 2014-05-26 | Anti-reverse device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410057446.8A CN103956676B (en) | 2014-02-20 | 2014-02-20 | Anti-race mill apparatus |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610105558.5A Division CN105762697B (en) | 2014-02-20 | 2014-02-20 | Anti- race mill apparatus in transmission line construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103956676A true CN103956676A (en) | 2014-07-30 |
| CN103956676B CN103956676B (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410057446.8A Active CN103956676B (en) | 2014-02-20 | 2014-02-20 | Anti-race mill apparatus |
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| Country | Link |
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| CN (1) | CN103956676B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108094639A (en) * | 2018-02-14 | 2018-06-01 | 徐钊婷 | A kind of beverage production device with double-station water container |
| CN111792550A (en) * | 2020-07-08 | 2020-10-20 | 青海送变电工程有限公司 | Prevent running and grind safety arrangement and have its hank and grind |
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| CN102259631A (en) * | 2010-05-27 | 2011-11-30 | 株式会社东海理化电机制作所 | Webbing retractor |
| CN102923603A (en) * | 2012-11-14 | 2013-02-13 | 河南送变电工程公司 | Automatic controller of tail rope of winching machine |
| CN203323768U (en) * | 2013-06-09 | 2013-12-04 | 紫光股份有限公司 | Full-automatic step counting device based on upper arm swinging |
| CN203722132U (en) * | 2014-02-20 | 2014-07-16 | 国家电网公司 | Winch running prevention device |
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2014
- 2014-02-20 CN CN201410057446.8A patent/CN103956676B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259631A (en) * | 2010-05-27 | 2011-11-30 | 株式会社东海理化电机制作所 | Webbing retractor |
| CN102923603A (en) * | 2012-11-14 | 2013-02-13 | 河南送变电工程公司 | Automatic controller of tail rope of winching machine |
| CN203323768U (en) * | 2013-06-09 | 2013-12-04 | 紫光股份有限公司 | Full-automatic step counting device based on upper arm swinging |
| CN203722132U (en) * | 2014-02-20 | 2014-07-16 | 国家电网公司 | Winch running prevention device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108094639A (en) * | 2018-02-14 | 2018-06-01 | 徐钊婷 | A kind of beverage production device with double-station water container |
| CN111792550A (en) * | 2020-07-08 | 2020-10-20 | 青海送变电工程有限公司 | Prevent running and grind safety arrangement and have its hank and grind |
| CN111792550B (en) * | 2020-07-08 | 2021-08-13 | 青海送变电工程有限公司 | Prevent running and grind safety arrangement and have its hank and grind |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103956676B (en) | 2016-08-03 |
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