CN204384639U - Automatic takeup and rope body length measurement mechanism - Google Patents
Automatic takeup and rope body length measurement mechanism Download PDFInfo
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- CN204384639U CN204384639U CN201420774818.4U CN201420774818U CN204384639U CN 204384639 U CN204384639 U CN 204384639U CN 201420774818 U CN201420774818 U CN 201420774818U CN 204384639 U CN204384639 U CN 204384639U
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Abstract
The utility model discloses a kind of automatic takeup and rope body length measurement mechanism, relate to technical field of engineering machinery.Solving prior art, to there is back lash between worm and gear comparatively large, causes the technical matters that measured error is larger.This automatic takeup comprises parts Connection Block to be tensioned, elastic force apparatus, moving connecting mechanism and fixed base frame, and parts Connection Block to be tensioned can move to desired location relative to fixed base frame from initial position; Elastic force apparatus is arranged between parts Connection Block to be tensioned and fixed base frame and elastic force apparatus is treated the spring energy that tension part Connection Block applies parts Connection Block to be tensioned is moved to desired location from initial position.This rope body length measurement mechanism comprises the automatic takeup that reel, worm gear, worm screw, rotating potentiometer, housing and the utility model provide.The utility model is for reducing the measured error of rope capacity.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to a kind of automatic takeup and arranges the rope body length measurement mechanism of this automatic takeup.
Background technology
Industrial automatization is more and more higher in recent years, and rapidly, sensor role can not be ignored in sensing technology development.Automated condtrol be unable to do without sensor, and accurate Automated condtrol be unable to do without the sensor of high precision, high reliability.Bracing wire linear transducer is widely used in construction machinery industry, and measure jib length, landing leg stretching distance etc., the performance of himself affects the performance of machine product and image to a certain extent.
As shown in Figure 1, existing rope capacity measurement mechanism (or claim: bracing wire linear transducer) comprise steel rope reel 11, worm screw 12, worm gear 13, rotating potentiometer 14, housing 15 and steel rope 16, wherein: worm screw 12 is fixedly connected with steel rope reel 11, worm gear 13 is connected with a joggle with worm screw 12 and is fixedly connected with rotating potentiometer 14 axle, and rotating potentiometer 14 is fixedly connected with housing 15; Steel rope 16 is wrapped on reel 1, (housing 15 and rotating potentiometer 14 body maintain static to drive reel 1 to rotate in the process of stretching steel rope 16, do not rotate with reel 1), worm screw 12 is rotated thereupon, drive the rotation measuring axle of worm gear 13, rotating potentiometer to rotate, can length value be measured according to certain transmission transformational relation to after the process of potentiometer 14 output signal.
The applicant finds: prior art at least exists following technical matters:
(1) wearing and tearing cause error: time initial, worm gear, worm mesh are normally, but after work a period of time, due to fret wear, cause between cog can produce certain back lash, this gap can cause certain measured error, and transmitting ratio is larger, and error is larger.
(2) assembling causes error: the mounting distance of worm gear and worm screw is improper, or potentiometer is fixing not firm, causes the appearance of worm and gear junction to loosen and is even separated, thus produce back lash even transmission failure, cause measured error and integrity problem.
Utility model content
One of them object of the present utility model proposes a kind of automatic takeup and rope body length measurement mechanism, solves the back lash that prior art exists between worm and gear comparatively large, cause the technical matters that measured error is larger.
Many technique effects that optimal technical scheme in many technical schemes that the utility model provides can produce refer to hereafter sets forth.
For achieving the above object, the utility model provides following technical scheme:
The automatic takeup that the utility model embodiment provides, comprises parts Connection Block to be tensioned, elastic force apparatus, moving connecting mechanism and fixed base frame, wherein:
Described parts Connection Block to be tensioned to be flexibly connected and described parts Connection Block to be tensioned can move to desired location relative to described fixed base frame from initial position with being formed by described moving connecting mechanism between described fixed base frame;
Described elastic force apparatus is arranged between described parts Connection Block to be tensioned and described fixed base frame and described parts Connection Block to be tensioned promotes from described initial position or is pulled to described desired location by the spring energy that described elastic force apparatus applies described parts Connection Block to be tensioned.
As the further optimization of technique scheme, described parts Connection Block to be tensioned comprises connecting panel, and described moving connecting mechanism comprises at least one slotted eye be arranged on described connecting panel and the fastener running through described slotted eye,
One end that described fastener extends described slotted eye is fixedly connected with described fixed base frame, and described connecting panel can slide into described desired location along the length direction of described slotted eye from described initial position relative to described fastener.
As the further optimization of above-mentioned arbitrary technical scheme, described parts Connection Block to be tensioned also comprises positioning plate, described positioning plate is fixedly connected with described connecting panel and described positioning plate is provided with limiting through hole, and the tumbler of the parts to be tensioned that described parts Connection Block to be tensioned is installed runs through described limiting through hole and can rotate relative to described limiting through hole.
As the further optimization of above-mentioned arbitrary technical scheme, the number of described slotted eye is at least two, and described connecting panel part between adjacent described slotted eye exists Component mounting area to be tensioned.
As the further optimization of above-mentioned arbitrary technical scheme, described fastener is screw or bolt, and the head of described screw or bolt is connected to the edge of described slotted eye on described connecting panel.
As the further optimization of above-mentioned arbitrary technical scheme, described elastic force apparatus is extension spring, and one end of described extension spring is connected with described fixed base frame, and the other end of described extension spring is connected with described parts Connection Block to be tensioned.
As the further optimization of above-mentioned arbitrary technical scheme, described elastic force apparatus is spring, and one end and the described fixed base frame of described spring abut against, and the other end and the described parts Connection Block to be tensioned of described spring abut against.
As the further optimization of above-mentioned arbitrary technical scheme, described fixed base frame is provided with mounting groove, described parts Connection Block to be tensioned is positioned at described mounting groove and can moves to described desired location at described mounting groove;
The inwall of described wherein one end of parts Connection Block to be tensioned and wherein one end of described mounting groove abuts against, and is provided with described elastic force apparatus between the described wherein other end of parts Connection Block to be tensioned and the inwall of the wherein other end of described mounting groove.
As the further optimization of above-mentioned arbitrary technical scheme, described mounting groove is rectangular channel, and the outline of the orthogonal projection of described parts Connection Block to be tensioned on the depth direction of described rectangular channel is rectangle.
The rope body length measurement mechanism that the utility model embodiment provides, comprises the automatic takeup that the arbitrary technical scheme of reel, worm gear, worm screw, rotating potentiometer, housing and the utility model provides, wherein:
Described housing is the fixed base frame of described automatic takeup;
Described reel is wound with rope body, described reel and described housing are rotatably connected, and described worm screw is fixedly connected with described reel;
Described worm screw is meshed with described worm gear and pulls physical efficiency of restricting described in the process of described rope body drive described reel relative to described housing into rotation and drive described worm gear wheel by described worm screw;
Described worm gear be connected with the rotation measuring axle of described rotating potentiometer and described worm gear wheel time the rotation measuring axle of described rotating potentiometer can be driven together to rotate;
Described rotating potentiometer is fixedly connected with described parts Connection Block to be tensioned, and described parts Connection Block to be tensioned promotes or is pulled to described desired location during from described initial position described worm gear tensioning to reduce the back lash between described worm gear and described worm screw.
Based on technique scheme, the utility model embodiment at least can produce following technique effect:
Elastic force apparatus is there is due in the automatic takeup that the utility model embodiment provides, parts Connection Block to be tensioned is moved to desired location from initial position by the spring energy that elastic force apparatus treats the applying of tension part Connection Block, maintenance parts to be tensioned Connection Block that thus can be permanent is in desired location and is in tension position muchly to keep the parts to be tensioned on parts Connection Block to be tensioned, when this automatic takeup is used on rope body length measurement mechanism, worm gear tensioning can be kept muchly, even if still can reduce the back lash between worm gear and worm screw when wearing and tearing appear in worm gear, and then reduction measured error, so it is larger to solve the back lash that prior art exists between worm and gear, cause the technical matters that measured error is larger.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
The schematic diagram of rope capacity measurement mechanism of Fig. 1 for providing in prior art;
The schematic diagram of the rope body length measurement mechanism that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the schematic diagram of the spatial structure of parts Connection Block to be tensioned in Fig. 2;
Reference numeral: 1, reel; 2, worm screw; 3, worm gear; 4, parts Connection Block to be tensioned; 41, connecting panel; 42, positioning plate; 420, limiting through hole; 43, moving connecting mechanism; 401, slotted eye; 5, rotating potentiometer; 6, fastener; 7, mounting groove; 8, fixed base frame; 9, elastic force apparatus; 10, rope body; 11, steel rope reel; 12, worm screw; 13, worm gear; 14, rotating potentiometer; 15, housing; 16, steel rope.
Detailed description of the invention
Content of the present utility model and the distinctive points between the utility model and prior art can be understood below with reference to accompanying drawing Fig. 1 ~ Fig. 3 and word content.Hereafter by accompanying drawing and the mode enumerating embodiment more of the present utility model, the technical solution of the utility model (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characteristic in the present embodiment, any technical scheme is all one or more in the technical characteristic of plurality of optional or optional technical scheme, cannot exhaustive all alternative technical characteristics of the present utility model and alternative technical scheme in order to describe succinct to need in presents, also the embodiment being not easy to each technical characteristic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: arbitrary technological means that the utility model can be provided carries out two or more technological means any of replacing or being provided by the utility model or technical characteristic carries out mutually combining and obtaining new technical scheme.Any technical characteristic in the present embodiment and any technical scheme all do not limit protection domain of the present utility model, protection domain of the present utility model should comprise those skilled in the art do not pay creative work thinkable any alternate embodiments and those skilled in the art two or more technological means any that the utility model is provided or the technical characteristic new technical scheme carrying out mutually combining and obtain.
The utility model embodiment provides and a kind ofly can maintain the constant automatic takeup in back lash between worm and gear and rope body length measurement mechanism lastingly.
Below in conjunction with the elaboration that Fig. 2 ~ Fig. 3 carries out specifically to the technical scheme that the utility model provides.
As shown in Figure 2 to 3, the automatic takeup that the utility model embodiment provides comprises parts Connection Block 4 to be tensioned, elastic force apparatus 9, moving connecting mechanism 43 and fixed base frame 8, wherein:
Parts Connection Block 4 to be tensioned to be flexibly connected and parts Connection Block 4 to be tensioned can move to desired location (this desired location changes along with the wearing and tearing of parts to be tensioned) relative to fixed base frame 8 from initial position with being formed by moving connecting mechanism 43 between fixed base frame 8.
Elastic force apparatus 9 is arranged between parts Connection Block 4 to be tensioned and fixed base frame 8 and elastic force apparatus 9 is treated the spring energy that tension part Connection Block 4 applies parts Connection Block 4 to be tensioned is moved to desired location from initial position.
Elastic force apparatus 9 is there is due in the automatic takeup that the utility model embodiment provides, parts Connection Block 4 to be tensioned is moved to desired location from initial position by the spring energy that elastic force apparatus 9 treats tension part Connection Block 4 applying, and maintenance parts to be tensioned Connection Block 4 that thus can be permanent is in desired location and is in tension position muchly to keep the parts to be tensioned on parts Connection Block 4 to be tensioned.
As preferably or alternatively embodiment, parts Connection Block 4 to be tensioned comprises connecting panel 41, moving connecting mechanism 43 comprises at least one slotted eye 401 be arranged on connecting panel 41 and the fastener 6 running through slotted eye 401, one end that fastener 6 extends slotted eye 401 is fixedly connected with fixed base frame 8, and connecting panel 41 can slide into desired location along the length direction of slotted eye 401 from initial position relative to fastener 6.
Above-mentioned moving connecting mechanism 43 compact conformation, is convenient to install.Fastener 6 not only has the effect of track, but also connecting panel 41 can be avoided to throw off from fixed base frame 8.
As preferably or alternatively embodiment, parts Connection Block 4 to be tensioned also comprises positioning plate 42, positioning plate 42 is fixedly connected with connecting panel 41 and positioning plate 42 is provided with limiting through hole 420, and the tumbler (the rotation measuring axle of such as rotating potentiometer 5) of the parts to be tensioned (such as rotating potentiometer 5) that parts Connection Block 4 to be tensioned is installed runs through limiting through hole 420 and can rotate relative to limiting through hole 420.Positioning plate 42 can avoid the tumbler of the parts to be tensioned that parts Connection Block 4 to be tensioned is installed that dislocation or deflection occur, and more effectively ensure that survey precision thus.
As preferably or alternatively embodiment, the number of slotted eye 401 is at least two (being preferably two), and connecting panel 41 part between adjacent slotted eye 401 exists Component mounting area to be tensioned.
Slotted eye 401 is preferably slotted hole.When Component mounting area to be tensioned is arranged between two adjacent slotted eyes 401, this moving connecting mechanism 43 is more reliable, the external force that fastener 6 on parts Connection Block 4 to be tensioned in each slotted eye 401 bears is more homogeneous, and slotted eye 401 is not fragile, and fastener 6 also not easily gets loose.
As preferably or alternatively embodiment, fastener 6 is screw or bolt, and be preferably screw, the head of screw or bolt is connected to the edge of slotted eye 401 on connecting panel 41.Screw or bolt with low cost, be convenient to dismounting.
As preferably or alternatively embodiment, elastic force apparatus 9 is extension spring, and one end of extension spring is connected with fixed base frame 8, and the other end of extension spring is connected with parts Connection Block 4 to be tensioned.Extension spring structure is simple, with low cost, is convenient to install and take up room little.Certainly, the present embodiment elastic force device 9 also can be (exporting elastic thrust) spring, and one end and the fixed base frame 8 of spring abut against, and the other end and the parts Connection Block 4 to be tensioned of spring abut against.
As preferably or alternatively embodiment, fixed base frame 8 is provided with mounting groove 7, parts Connection Block 4 to be tensioned is positioned at mounting groove 7 and can moves to desired location at mounting groove 7.
The inwall of wherein one end of parts Connection Block 4 to be tensioned and wherein one end of mounting groove 7 abuts against, and is provided with elastic force apparatus 9 between the inwall of the wherein other end of parts Connection Block 4 to be tensioned and the wherein other end of mounting groove 7.
Mounting groove 7 is not only moving connecting mechanism 43 and provides installing space, and the matching relationship of itself and parts Connection Block 4 to be tensioned can avoid parts Connection Block 4 to be tensioned to get loose in mounting groove 7.
As preferably or alternatively embodiment, mounting groove 7 is rectangular channel, and the outline of the orthogonal projection of parts Connection Block 4 to be tensioned on the depth direction of rectangular channel is rectangle.This structure comparison is compact, and is convenient to assembling.
Rope body length measurement mechanism that the utility model embodiment provides (or claim: bracing wire linear transducer), comprise the automatic takeup that reel 1, worm gear 3, worm screw 2, rotating potentiometer 5, housing and the arbitrary technical scheme of the utility model provide, wherein: housing is the fixed base frame 8 of automatic takeup;
Reel 1 is wound with rope body 10, reel 1 and housing are rotatably connected, and worm screw 2 is fixedly connected with reel 1.Rope body 10 can be steel rope.
Worm screw 2 is meshed with worm gear 3 and pulls in the process of body 10 of restricting body 10 of restricting reel 1 can be driven relative to housing into rotation and drive worm gear 3 to rotate by worm screw 2.
Worm gear 3 is connected with the rotation measuring axle of rotating potentiometer 5 and worm gear 3 rotates time can the rotation measuring axle of driven rotary potentiometer 5 together rotate.
Rotating potentiometer 5 is fixedly connected with parts Connection Block 4 to be tensioned, and when parts Connection Block 4 to be tensioned moves to desired location from initial position worm gear 3 tensioning (position that tensioning can be understood as towards the back lash between tensioning worm gear 3 and worm screw 2 is moved) to reduce the back lash between worm gear 3 and worm screw 2.
When the automatic takeup that the utility model provides is used on rope body length measurement mechanism, worm gear 3 tensioning can be kept muchly, even if the back lash between worm gear 3 and worm screw 2 still can be reduced when wearing and tearing appear in worm gear 3, and then reduce measured error.
In the utility model, the switching process of observed reading is same as the prior art, is all to be rotated by steel rope stretching drive reel 1, worm screw 2, and worm and gear engages, and drives rotating potentiometer 5 axle to rotate, through changing to obtain length value.Housing is fixed, and does not rotate with reel 1.
The optimal technical scheme hereafter concentrating elaboration the utility model to provide and principle of work thereof:
(1) form: automatic takeup adopt adapter plate as parts Connection Block 4 to be tensioned, tightening screw as fastener 6, rectangular recess as mounting groove 7, spring as elastic force apparatus 9, L-square as parts Connection Block 4 to be tensioned, housing as the fixed base frame 8 of automatic takeup.Wherein rotating potentiometer 5 is arranged on L-square, and potentiometer 5 axle passes from through hole L-square; Housing has rectangular recess, and L-square and housing are connected by screw, and are seated in rectangular recess; L-square one end and the left lower-end corners of rectangular recess are fitted (as shown in Figure 2 position), and the other end is connected by two springs with groove upper end; Tightening screw and slotted hole form moving connecting mechanism 43 i.e. slide way mechanism, and L-square only retains the degree of freedom along slotted hole direction upward sliding; Be in tension state during two spring fittings, keep certain prefastening force.
(2) principle of work: under the effect of spring, slide way mechanism, worm gear 3 can be made to be subject to the application force of fitting to worm screw 2 direction all the time, once there is the trend that loosens, worm gear 3 can be close from trend worm screw 2, ensures closely to engage; Rectangular recess can instruct L-square initially to install location, ensures the initial engagement state of worm and gear the best, avoids assembling the improper reliable transmission that causes and measured error problem.
The utility model automatic takeup can eliminate worm and gear joint gap, remains that the two closely engages, promotes sensor reliable transmission, reduce transformed error, thus ensures that measurement process is reliable, accurate.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated, if the number range of it discloses, so disclosed number range is preferred number range, anyly it should be appreciated by those skilled in the art: preferred number range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Because numerical value is more, cannot be exhaustive, so the utility model just discloses component values with casehistory the technical solution of the utility model, and the above-mentioned numerical value enumerated should not form restriction the utility model being created to protection domain.
If employ the word such as " first ", " second " herein to limit parts, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe carry out difference as not having outside Stated otherwise to parts, the implication that above-mentioned word is not special.
Simultaneously, if above-mentioned the utility model discloses or relate to parts or the framing member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can releasably be fixedly connected with (such as using bolt or screw to connect), also can be understood as: to be non-removablely fixedly connected with (such as rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (such as use foundry technique is integrally formed create) (obviously cannot adopt except integrally formed technique).
In addition, apply in arbitrary technical scheme disclosed in above-mentioned the utility model for represent position relationship or shape term unless otherwise stated its implication comprise approximate with it, similar or close state or shape.Arbitrary parts that the utility model provides both can be assembled by multiple independent component part, and also can be one of the forming manufacture technics separate part out.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (10)
1. an automatic takeup, is characterized in that, comprises parts Connection Block (4) to be tensioned, elastic force apparatus (9), moving connecting mechanism (43) and fixed base frame (8), wherein:
Described parts Connection Block (4) to be tensioned to be flexibly connected and described parts Connection Block (4) to be tensioned can move to desired location relative to described fixed base frame (8) from initial position with being formed by described moving connecting mechanism (43) between described fixed base frame (8);
Described elastic force apparatus (9) is arranged between described parts Connection Block (4) to be tensioned and described fixed base frame (8) and described parts Connection Block (4) to be tensioned promotes from described initial position or is pulled to described desired location by the spring energy that described elastic force apparatus (9) applies described parts Connection Block (4) to be tensioned.
2. automatic takeup according to claim 1, it is characterized in that, described parts Connection Block (4) to be tensioned comprises connecting panel (41), described moving connecting mechanism (43) comprises at least one slotted eye (401) be arranged on described connecting panel (41) and the fastener (6) running through described slotted eye (401), one end that described fastener (6) extends described slotted eye (401) is fixedly connected with described fixed base frame (8), and described connecting panel (41) can slide into described desired location along the length direction of described slotted eye (401) from described initial position relative to described fastener (6).
3. automatic takeup according to claim 2, it is characterized in that, described parts Connection Block (4) to be tensioned also comprises positioning plate (42), described positioning plate (42) is fixedly connected with described connecting panel (41) and described positioning plate (42) is provided with limiting through hole (420), and the tumbler of the upper parts to be tensioned installed of described parts Connection Block (4) to be tensioned runs through described limiting through hole (420) and can rotate relative to described limiting through hole (420).
4. automatic takeup according to claim 2, it is characterized in that, the number of described slotted eye (401) is at least two, and described connecting panel (41) part between adjacent described slotted eye (401) exists Component mounting area to be tensioned.
5. automatic takeup according to claim 2, it is characterized in that, described fastener (6) is screw or bolt, and the head of described screw or bolt is connected to the edge of the upper described slotted eye (401) of described connecting panel (41).
6. automatic takeup according to claim 1, it is characterized in that, described elastic force apparatus (9) is extension spring, one end of described extension spring is connected with described fixed base frame (8), and the other end of described extension spring is connected with described parts Connection Block (4) to be tensioned.
7. automatic takeup according to claim 1, it is characterized in that, described elastic force apparatus (9) is spring, one end and the described fixed base frame (8) of described spring abut against, and the other end and the described parts Connection Block (4) to be tensioned of described spring abut against.
8. automatic takeup according to claim 1, it is characterized in that, described fixed base frame (8) is provided with mounting groove (7), described parts Connection Block (4) to be tensioned is positioned at described mounting groove (7) and can moves to described desired location in described mounting groove (7);
The inwall of described wherein one end of parts Connection Block (4) to be tensioned and wherein one end of described mounting groove (7) abuts against, and is provided with described elastic force apparatus (9) between the described wherein other end of parts Connection Block (4) to be tensioned and the inwall of the wherein other end of described mounting groove (7).
9. automatic takeup according to claim 8, is characterized in that, described mounting groove (7) is rectangular channel, and the outline of the orthogonal projection of described parts Connection Block (4) to be tensioned on the depth direction of described rectangular channel is rectangle.
10. a rope body length measurement mechanism, it is characterized in that, comprise the arbitrary described automatic takeup of reel (1), worm gear (3), worm screw (2), rotating potentiometer (5), housing and claim 1-9, wherein: described housing is the fixed base frame (8) of described automatic takeup; Described reel (1) is wound with rope body (10), described reel (1) and described housing are rotatably connected, and described worm screw (2) is fixedly connected with described reel (1);
Described worm screw (2) is meshed with described worm gear (3) and pulls body (10) of restricting described in the process of described rope body (10) described reel (1) can be driven relative to described housing into rotation and drive described worm gear (3) to rotate by described worm screw (2);
Described worm gear (3) is connected with the rotation measuring axle of described rotating potentiometer (5) and described worm gear (3) rotates time the rotation measuring axle of described rotating potentiometer (5) can be driven together to rotate; Described rotating potentiometer (5) is fixedly connected with described parts Connection Block (4) to be tensioned, and described parts Connection Block (4) to be tensioned promotes or is pulled to described desired location during from described initial position described worm gear (3) tensioning to reduce the back lash between described worm gear (3) and described worm screw (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420774818.4U CN204384639U (en) | 2014-12-10 | 2014-12-10 | Automatic takeup and rope body length measurement mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420774818.4U CN204384639U (en) | 2014-12-10 | 2014-12-10 | Automatic takeup and rope body length measurement mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN204384639U true CN204384639U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420774818.4U Withdrawn - After Issue CN204384639U (en) | 2014-12-10 | 2014-12-10 | Automatic takeup and rope body length measurement mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590955A (en) * | 2014-12-10 | 2015-05-06 | 徐工集团工程机械股份有限公司 | Automatic tensioning device and rope length measurement device |
-
2014
- 2014-12-10 CN CN201420774818.4U patent/CN204384639U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590955A (en) * | 2014-12-10 | 2015-05-06 | 徐工集团工程机械股份有限公司 | Automatic tensioning device and rope length measurement device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150610 Effective date of abandoning: 20161005 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |