CN205151569U - Weight formula hoisting limiter and weight thereof - Google Patents
Weight formula hoisting limiter and weight thereof Download PDFInfo
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- CN205151569U CN205151569U CN201520965628.5U CN201520965628U CN205151569U CN 205151569 U CN205151569 U CN 205151569U CN 201520965628 U CN201520965628 U CN 201520965628U CN 205151569 U CN205151569 U CN 205151569U
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Abstract
The utility model discloses a weight formula hoisting limiter and weight thereof, including left side pipe, right side pipe, fastening bolt, fastening platform, bolt hole and lug, because the cross section of left side pipe and right side pipe be the arc, and the cross section that plays to put in a position wire rope is for circular, and contact surface between the two is the cambered surface and the contact of cambered surface, and area of contact is much little for original steel loop and jack -up wire rope's area of contact to weaken the weight and played to put in a position the wearing and tearing consumption between the wire rope, and all be provided with the continuous opening that is covered with its whole length direction on the pipe wall of left side pipe and right side pipe for when dismantling fastening bolt back down, realized promptly that the weight breaks away from from putting wire rope in a position, thoroughly avoided original adoption will play to put in a position the operations that wire rope all was untied, make the spare part of easy access change weight formula stopper, labour saving and time saving, and simple structure, cost are hanged down, can gather materials on the spot, can make by oneself, and the cost is lower.
Description
Technical field
The utility model relates to technical field of crane equipment, especially relates to a kind of Ballast Lifting Height Limiter and weight thereof.
Background technology
Ballast Lifting Height Limiter, is called for short weight hammer type limiting device, is widely used on hoisting crane, especially on crane in bridge type.Weight hammer type limiting device mainly comprises limit switch and the weight of the models such as LX-30, LX-31 or LX-32, its principle of work is roughly: weight has a steel loop, rise and reuse steel rope and pass from steel loop, when the suspension hook of hoisting crane rise be raised to setting height time, the collision mechanism on suspension hook is by weight jack-up, make the looseness of steel wire ropes of suspention weight, no longer tensioning, thus touch limit switch action, circuit disconnects, suspension hook is upward movement no longer, plays the effect of restriction limit rise height; When suspension hook moves downward, no longer jack-up weight, the steel rope tensioning again of suspention weight, touch limit switch action, circuit closes again, and weight hammer type limiting device returns to normal.Last one barrier that weight hammer type limiting device limits as lifting height of crane, has national compulsory operating needs.
At present, mainly there is following problem in this kind of weight hammer type limiting device: 1, rises and reuse steel rope and pass from the closed type steel loop weight, rise and reuse that steel rope is upper and lower, side-to-side movement constantly and steel loop friction, steel loop is easy to grind away, closed type steel loop grinds a breach, make to reuse steel rope to deviate from from steel loop, above-mentioned weight hammer type limiting device is made to lose position limitation protection effect, and steel loop and weight are unitary design, can not change separately, need to change together, waste time and energy, and needing a lot of weight for subsequent use, cost is higher, 2, when weight hammer type limiting device break down need change time, steel loop as escribed above grinds breach, above-mentioned limit switch damages etc., rod to be turned by being wrapped in successively hoisting crane, rising on the devices such as suspension hook is reused steel rope and is untied, original closed type is wrapped in rising on above-mentioned part to reuse steel rope and untie, become open type, solve a free end, the free end strip of then part of above-mentioned damage being reused from above-mentioned steel rope gets off, then, again new change part is reused on the free end string of steel rope from above-mentioned, then, to rise again and reuse steel rope successively through suspension hook, the parts such as transfer roller, recover hoisting crane original appearance, more change jobs and waste time and energy very much, especially to large-tonnage hoisting crane, the phenomenon wasted time and energy is more outstanding.
Therefore, how to reduce the parts of weight hammer type limiting device and work the friction of reusing between steel rope, and make easy access change the parts of weight hammer type limiting device, avoid adopting by rising that to reuse the operation that steel rope all unties be the technical matters that those skilled in the art need solution badly.
Utility model content
The purpose of this utility model is a kind of weight of Ballast Lifting Height Limiter, use this weight can reduce the parts of weight hammer type limiting device and work the friction of reusing between steel rope, and make easy access change the parts of weight hammer type limiting device, avoid adopting rising and reuse the operation that steel rope all unties, and this heavy hammer structure simple, be easy to processing and fabricating, practical.Another object of the present utility model is to provide a kind of Ballast Lifting Height Limiter comprising above-mentioned weight.
For solving above-mentioned technical matters, the technical scheme that the utility model provides is:
A kind of weight of Ballast Lifting Height Limiter, comprise left side pipe, right side pipe and several binding bolts, described weight is for described left side pipe and described right side pipe are by the corresponding integral tubular part formed that is stitched together of binding bolt described in several, the tube wall of described left side pipe is provided with the continuous print opening being covered with its whole length direction therefrom to penetrate for hoist rope and realize the outside that described left side pipe box is located at described hoist rope, the tube wall of described right side pipe is provided with the continuous print opening being covered with its whole length direction therefrom to penetrate for hoist rope and realize the outside that described right side pipe box is located at described hoist rope, reuse steel rope for described to pass in the hollow passageway of the rear described weight formed of splicing, the top of described left side pipe or described right side pipe is provided with the hanger for suspending the rear described weight of splicing in midair, described left side pipe and described right side Guan Shangjun arrange clamping bench, and described clamping bench is provided with the bolt hole coordinated with described binding bolt.
Preferably, described left side pipe comprises the perpendicular be connected successively from top to bottom, a horizontal plane and another one perpendicular with the splicing contact surface of described right side pipe, two described perpendiculars are parallel to each other, two described perpendiculars are all vertical with described horizontal plane, two described perpendiculars all depart from and are parallel to the longitudinal center line of the rear described weight formed of splicing, the center-point of the longitudinal center line of the described weight that described horizontal plane is formed after splicing.
Preferably, described left side pipe departs from the splicing contact surface of described right side pipe and is parallel to the longitudinal center line of spliced described weight.
Preferably, the hollow passageway in the described weight formed after splicing is that internal diameter first becomes the shape then diminished gradually greatly gradually from top to bottom, and the upper end surface of the described weight formed after splicing is identical with the internal diameter at lower surface place.
Preferably, also comprise on several described weights formed after being set in splicing to increase or to reduce the open annular counterweight circle of its weight, described open annular counterweight circle is provided with the opening for allowing described hoist rope to penetrate or pass, the lower end of described weight is provided with the boss for installing described open annular configuration circle, and the internal diameter of described open annular counterweight circle is greater than the maximum outside diameter of described clamping bench and is less than the external diameter of described boss.
The utility model also provides a kind of Ballast Lifting Height Limiter, comprises weight, and described weight is the weight described in above-mentioned any one.
Advantageous Effects of the present utility model:
1. the weight that the utility model provides is managed by left side and right side pipe is spliced, because the cross-sectional plane of left side pipe and right side pipe is arc, and rise reuse steel rope cross-sectional plane for circular, therebetween contact surface is the contact of cambered surface and cambered surface, area of contact is much smaller relative to the area of contact of original steel loop and hoist rope, thus reduce weight and work the attrition of reusing between steel rope, both the frictional failure to weight inwall had been reduced, reduce again working the frictional failure of reusing steel rope, improve the service life of weight hammer type limiting device and hoisting crane.
2. in the utility model, because weight is spliced by binding bolt by left side pipe and right side pipe, and the tube wall of left side pipe and right side pipe is provided with the continuous print opening that is covered with its whole length direction and therefrom can penetrates for hoist rope and realize left side and to manage and right side pipe box is located at the outside of described hoist rope, make when binding bolt is dismantled down, separately left side pipe and right side pipe, rise and reuse steel rope and can deviate from completely from the pipe of left side, rise and reuse steel rope and can deviate from completely from the pipe of right side, namely achieve weight from reuse steel rope and depart from, steel rope need not be reused again as from the beginning having untied in original operation, thoroughly avoid original employing and will work the operation of reusing steel rope and all untiing, easy access is made to change the parts of weight hammer type limiting device, time saving and energy saving, especially to large-tonnage hoisting crane, time saving and energy saving effect is especially obvious.
3. the spliced heavy hammer structure that provides of the utility model is simple, cost is low, can gather materials on the spot, can self manufacture, and cost is lower.
4. the spliced weight that the utility model provides also comprises several open annular counterweight circles, when above-mentioned weight due to inevitably wear and tear occur weightless excessive time, the weight lost can be compensated by the open annular counterweight circle increasing respective numbers on weight, to keep the constant weight of weight, avoid the weightless excessive limiting device failure caused of weight, the hoisting crane of different tonnage needs the weight hammer type limiting device configuring different model, one of weight hammer type limiting device difference of different model is the weight of Different Weight, have and heavily have gently, the weight control of the spliced weight that the utility model can be provided must be identical with the weight of the lightest existing weight, when needing heavier weight, the open annular counterweight circle of respective numbers can be increased on the weight of above-mentioned weight, larger to adapt to, the hoisting crane of different tonnages uses, thus the weight making the utility model provide can use on the hoisting crane of multiple different tonnage, improve commonality and the practicality of weight.
Accompanying drawing explanation
The structural representation of the left side pipe that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the structural representation of the right side pipe be used in combination with left side pipe in Fig. 1;
Fig. 3 be in Fig. 1 left side pipe and Fig. 2 in right side pipe correspondence spliced weight main TV structure schematic diagram;
The main TV structure schematic diagram of the spliced weight that Fig. 4 provides for another embodiment of the utility model;
The sectional structure schematic diagram of the spliced weight that Fig. 5 provides for another embodiment of the utility model;
The main TV structure schematic diagram of the spliced weight with boss that Fig. 6 provides for another embodiment of the utility model;
The plan structure schematic diagram of the open annular counterweight circle that Fig. 7 provides for the utility model embodiment.
In figure: 1 weight, manage on the left of in the of 101, manage on the right side of in the of 102,103 binding bolts, 104 clamping benchs, 105 bolts hole, 106 hangers, 107 boss, 108 open annular counterweight circles, 1081 openings.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " axis ", " radial direction ", " longitudinal direction ", " transverse direction ", " length ", " width ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " top ", " end ", " interior ", " outward ", " cw ", orientation or the position relationship of the instruction such as " conter clockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score, the first and second features can be comprised and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
With reference to the structural representation of the left side pipe 101 that Fig. 1 ~ Fig. 4, Fig. 1 provide for the utility model embodiment; Fig. 2 is the structural representation of the right side pipe 102 be used in combination with left side pipe 101 in Fig. 1; Fig. 3 is the main TV structure schematic diagram of pipe 102 corresponding spliced weight in right side in left side pipe 101 in Fig. 1 and Fig. 2; The main TV structure schematic diagram of the spliced weight that Fig. 4 provides for another embodiment of the utility model.
The utility model provides a kind of weight of Ballast Lifting Height Limiter, comprise left side pipe 101, right side pipe 102 and several binding bolts 103, to be left side pipe 101 and right side pipe 102 to be stitched together the integral tubular part formed by several binding bolt 103 correspondences weight 1, the tube wall of left side pipe 101 is provided with the continuous print opening being covered with its whole length direction and therefrom can penetrates for hoist rope the outside that realization left side pipe 101 is set in hoist rope, the tube wall of right side pipe 102 is provided with the continuous print opening being covered with its whole length direction and therefrom can penetrates for hoist rope the outside that realization right side pipe 102 is set in hoist rope, rise reuse steel rope from splicing after formed weight 1 hollow passageway in pass, the top of left side pipe 101 or right side pipe 102 is provided with the hanger 106 for suspending the rear weight 1 of splicing in midair, left side pipe 101 and right side pipe 102 all arrange clamping bench 104, and clamping bench 104 is provided with the bolt hole 105 coordinated with binding bolt 103.
For above-mentioned weight 1, its manufacturing process is: select the tube-like piece that has certain length, be preferably pipe, be preferably stainless-steel pipe, utilize cutting appliance to pass through along the length direction of above described tubular part and cut into left side pipe 101 and right side pipe 102, control cutting and to be sewn on above described tubular part trend along its length, make the tube wall of the left side pipe 101 of gained to be provided with the continuous print opening being covered with its whole length direction and therefrom can penetrate for hoist rope the outside that realization left side pipe 101 is set in hoist rope, and the tube wall of right side pipe 102 is provided with the continuous print opening that is covered with its whole length direction and therefrom can penetrates for hoist rope and realize the outside that right side pipe 102 is set in hoist rope, then clamping bench 104 is welded in the relevant position of left side pipe 101 and right side pipe 102, clamping bench 104 offers tapped bore, at the corresponding site of left side pipe 101 or right side pipe 102, hanger 106 is set, with the binding bolt 103 of respective numbers, left side pipe 101 and right side pipe 102 are fixedly stitched together, form the weight 1 of integral tubular part formula, the weight controlling the rear weight 1 of splicing is identical with the weight of original weight.In installation process, that left side pipe 101 and right side pipe 102 have been set in the outside of reusing steel rope, and then it is fastening with binding bolt 103, after having spliced, namely weight 1 has been set in reuses on steel rope, rise reuse steel rope from splicing after weight 1 hollow passageway in pass, steel rope need not be reused as originally having untied.
As for the trend of above-mentioned cutting seam along above described tubular part length direction, the utility model is not particularly limited, meet the continuous print opening making the tube wall of the left side pipe 101 of gained is provided with and be covered with its whole length direction therefrom to penetrate for hoist rope and realize the outside that left side pipe 101 is set in hoist rope, and the tube wall of right side pipe 102 is provided with the continuous print opening that is covered with its whole length direction and therefrom can penetrates for hoist rope and realize the outside that right side pipe 102 is set in hoist rope.
Preferably, in an embodiment of the present utility model, left side pipe 101 comprises the perpendicular be connected successively from top to bottom, a horizontal plane and another one perpendicular with the splicing contact surface of right side pipe 102, two perpendiculars are parallel to each other, two perpendiculars are all vertical with horizontal plane, two perpendiculars all depart from and are parallel to the longitudinal center line of the rear weight 1 formed of splicing, the center-point of the longitudinal center line of the weight 1 that horizontal plane is formed after splicing.The i.e. overall at right angles zigzag of cutting seam, so cut the left side pipe 101 obtained and right side pipe 102, the later stage easily installs.
In another embodiment of the present utility model, left side pipe 101 departs from the splicing contact surface of right side pipe 102 and is parallel to the longitudinal center line of spliced weight 1.Namely cutting seam is parallel to the length direction of above described tubular part, and departs from the longitudinal center line of tube-like piece, and to reserve position to arranging hanger 106, adopt this cutting seam, facilitate processing and fabricating, the later stage is also than easier to mount.
The weight 1 that the utility model provides is spliced by left side pipe 101 and right side pipe 102, because the cross-sectional plane of left side pipe 101 and right side pipe 102 is arc, and rise reuse steel rope cross-sectional plane for circular, therebetween contact surface is the contact of cambered surface and cambered surface, area of contact is much smaller relative to the area of contact of original steel loop and hoist rope, thus reduce weight 1 and work the attrition of reusing between steel rope, both the frictional failure to weight inwall had been reduced, reduce again working the frictional failure of reusing steel rope, improve the service life of weight hammer type limiting device and hoisting crane.
In the utility model, therefrom can to penetrate for hoist rope and realize because weight 1 to be spliced by binding bolt 103 by left side pipe 101 and right side pipe 102 and the tube wall of left side pipe 101 and right side pipe 102 to be provided with the continuous print opening that is covered with its whole length direction the outside that left side pipe 101 and right side pipe 102 are set in hoist rope, make after binding bolt 103 is dismantled down, separately left side pipe 101 and right side pipe 102, rise and reuse steel rope and can deviate from completely from left side pipe 101, rise and reuse steel rope and can deviate from completely from right side pipe 102, namely achieve weight 1 from reuse steel rope and depart from, steel rope need not be reused again as from the beginning having untied in original operation, thoroughly avoid original employing and will work the operation of reusing steel rope and all untiing, easy access is made to change the parts of weight hammer type limiting device, time saving and energy saving, especially to large-tonnage hoisting crane, time saving and energy saving effect is especially obvious.
Spliced weight 1 structure that the utility model provides is simple, cost is low, can gather materials on the spot, can self manufacture, and cost is lower.
Apparently; in actual applications; the value of weight reuses steel rope much smaller than rising, and reusing in the process of mutual wearing and tearing of steel rope with rising, reusing steel rope to protect at weight; it is avoided to be rubbed stock; the hardness that should arrange weight has been less than reuses steel rope, is set as by weight consuming wear-out part, after it is worn and loses function; change a new weight, to reuse steel rope much little than having changed for cost.
As shown in Figure 5, in an embodiment of the present utility model, the hollow passageway in the weight 1 formed after splicing is that internal diameter first becomes the shape then diminished gradually greatly gradually from top to bottom, and the upper end surface of spliced weight 1 is identical with the internal diameter at lower surface place.The cone mouth that in weight 1, the internal diameter at upper and lower two ends is less was both reused steel rope carried out directional tagging to being risen, and made it in the hollow passageway of weight 1, not carry out larger the swinging of amplitude, reduced the wearing and tearing between itself and weight inside face; And made the wearing and tearing of reusing steel rope and weight 1 inside face from the cone mouth that the internal diameter at upper and lower two ends is less, first to wear and tear cone mouth, and then expand downwards gradually along the conical surface, this from two ends gradually to centre wearing and tearing process, the contact surface of reusing steel rope and weight 1 inside face has been made to be the small contact face at cone mouth place all the time, instead of the inside face of whole weight, thus avoid the degree of wear to the whole inside face of weight, improve the service life of weight.
As shown in Figures 6 and 7, in an embodiment of the present utility model, above-mentioned weight 1 also comprises several for being set on the rear weight 1 formed of splicing to increase or to reduce the open annular counterweight circle 108 of its weight, open annular counterweight circle 108 is provided with the opening 1081 for allowing hoist rope to penetrate or to pass, the lower end of weight 1 is provided with the boss 107 for construction opening loop configurations circle, the internal diameter of open annular counterweight circle 108 is greater than the maximum outside diameter of clamping bench 104 and the external diameter being less than boss 107 can be resigned from office from spliced weight to make open annular counterweight circle, the width of opening 1081 be less than the external diameter of reusing steel rope for realize opening 1081 ring-shaped weight circle from reuse steel rope and deviate from.
The spliced weight 1 that the utility model provides also comprises several open annular counterweight circles 108, when above-mentioned weight 1 due to inevitably wear and tear occur weightless excessive time, the weight lost can be compensated by the open annular counterweight circle 108 increasing respective numbers on weight 1, to keep the constant weight of weight, avoid the weightless excessive limiting device failure caused of weight, the hoisting crane of different tonnage needs the weight hammer type limiting device configuring different model, one of weight hammer type limiting device difference of different model is the weight of Different Weight, have and heavily have gently, the weight control of the spliced weight that the utility model can be provided must be identical with the weight of the lightest existing weight, when needing heavier weight, the open annular counterweight circle 108 of respective numbers can be increased on the weight of above-mentioned weight, larger to adapt to, the hoisting crane of different tonnages uses, thus the weight making the utility model provide can use on the hoisting crane of multiple different tonnage, improve commonality and the practicality of weight.
The utility model additionally provides a kind of Ballast Lifting Height Limiter, comprises weight, and weight is the weight of above-mentioned any one, and therefore, it has whole Advantageous Effects of above-mentioned weight, repeats no more herein.
The utility model mentions multiple technical matters, proposes corresponding technical scheme for each technical matters simultaneously.Multiple technical matters is not separate, interactional, make above-mentioned multiple technical schemes on the basis solving corresponding technical matters, further and other technical scheme combines, can significantly improve and solve the corresponding technique effect acquired by technical matters, or multiple technical matters can be solved simultaneously.Solve on the basis of corresponding technical matters in each independent technical scheme, multiple laddering technical scheme combines superposition mutually, cooperatively interact between technical scheme, mutually promote, form an overall plan, the technique effect obtained is much better than the technique effect of any one technical scheme above-mentioned, and synergistic effect is remarkable.
The method and apparatus of the not detailed description of the utility model is prior art, repeats no more.
Apply specific embodiment herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (6)
1. the weight of a Ballast Lifting Height Limiter, it is characterized in that, comprise left side pipe, right side pipe and several binding bolts, described weight is for described left side pipe and described right side pipe are by the corresponding integral tubular part formed that is stitched together of binding bolt described in several, the tube wall of described left side pipe is provided with the continuous print opening being covered with its whole length direction therefrom to penetrate for hoist rope and realize the outside that described left side pipe box is located at described hoist rope, the tube wall of described right side pipe is provided with the continuous print opening being covered with its whole length direction therefrom to penetrate for hoist rope and realize the outside that described right side pipe box is located at described hoist rope, reuse steel rope for described to pass in the hollow passageway of the rear described weight formed of splicing, the top of described left side pipe or described right side pipe is provided with the hanger for suspending the rear described weight of splicing in midair, described left side pipe and described right side Guan Shangjun arrange clamping bench, and described clamping bench is provided with the bolt hole coordinated with described binding bolt.
2. weight according to claim 1, it is characterized in that, described left side pipe comprises the perpendicular be connected successively from top to bottom, a horizontal plane and another one perpendicular with the splicing contact surface of described right side pipe, two described perpendiculars are parallel to each other, two described perpendiculars are all vertical with described horizontal plane, two described perpendiculars all depart from and are parallel to the longitudinal center line of the rear described weight formed of splicing, the center-point of the longitudinal center line of the described weight that described horizontal plane is formed after splicing.
3. weight according to claim 1, is characterized in that, described left side pipe departs from the splicing contact surface of described right side pipe and is parallel to the longitudinal center line splicing the rear described weight formed.
4. weight according to claim 1, it is characterized in that, hollow passageway in the described weight formed after splicing is that internal diameter first becomes the shape then diminished gradually greatly gradually from top to bottom, and the upper end surface of spliced described weight is identical with the internal diameter at lower surface place.
5. weight according to claim 1, it is characterized in that, also comprise on several described weights formed after being set in splicing to increase or to reduce the open annular counterweight circle of its weight, described open annular counterweight circle is provided with the opening for allowing described hoist rope to penetrate or pass, the lower end of described weight is provided with the boss for installing described open annular configuration circle, the internal diameter of described open annular counterweight circle is greater than the maximum outside diameter of described clamping bench and is less than the external diameter of described boss, the width of described opening is less than the described external diameter of reusing steel rope of rising and from described, reuse steel rope deviate from for realizing described open annular counterweight circle.
6. a Ballast Lifting Height Limiter, comprises weight, it is characterized in that, described weight is the weight described in Claims 1 to 5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965628.5U CN205151569U (en) | 2015-11-27 | 2015-11-27 | Weight formula hoisting limiter and weight thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965628.5U CN205151569U (en) | 2015-11-27 | 2015-11-27 | Weight formula hoisting limiter and weight thereof |
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| Publication Number | Publication Date |
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| CN205151569U true CN205151569U (en) | 2016-04-13 |
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| CN201520965628.5U Expired - Fee Related CN205151569U (en) | 2015-11-27 | 2015-11-27 | Weight formula hoisting limiter and weight thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293292A (en) * | 2015-11-27 | 2016-02-03 | 山东钢铁股份有限公司 | Heavy hammer type lifting height limiter and heavy hammer thereof |
-
2015
- 2015-11-27 CN CN201520965628.5U patent/CN205151569U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293292A (en) * | 2015-11-27 | 2016-02-03 | 山东钢铁股份有限公司 | Heavy hammer type lifting height limiter and heavy hammer thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20181127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |