CN108557688B - Lifting device - Google Patents
Lifting device Download PDFInfo
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- CN108557688B CN108557688B CN201810505971.XA CN201810505971A CN108557688B CN 108557688 B CN108557688 B CN 108557688B CN 201810505971 A CN201810505971 A CN 201810505971A CN 108557688 B CN108557688 B CN 108557688B
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- lifting
- clamps
- locking mechanism
- bearing plate
- ring bearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses a lifting device, belonging to the technical field of mechanical assembly, comprising: annular lifting base, lift support section of thick bamboo and jacking device, the coaxial movable sleeve of lifting base and lift support section of thick bamboo is established epaxial, jacking device sets up on annular lifting base, and jacking device is located between lifting base and the lift support section of thick bamboo, be provided with first locking mechanism on the annular lifting base, first locking mechanism is configured to can be with the locking of annular lifting base at epaxial optional position, be provided with second locking mechanism on the lift support section of thick bamboo, second locking mechanism is configured to can support the locking of section of thick bamboo at epaxial optional position with going up and down. The invention lifts the shafting parts through the lifting device, thereby being convenient for quickly mounting the shafting parts at any position on the vertical shaft, improving the mounting efficiency of the shafting parts and reducing the assembly difficulty.
Description
Technical Field
The invention relates to the technical field of mechanical assembly, in particular to a lifting device.
Background
During mechanical assembly, various shafting parts such as bearings, transparent covers and shaft sleeves are generally required to be mounted on a shafting, the bearings or the shaft sleeves and other parts can be directly and manually assembled on the shaft with small length, and the shaft with large length and vertical arrangement is generally mounted by using a jack, and the parts are jacked to corresponding assembly positions by the jack.
In the process of implementing the invention, the inventor finds that the prior art has at least the following problems:
because the jack has a limited jacking stroke, the jack can only complete jacking or descending actions within a certain range, and therefore the jack cannot complete actions with a large moving distance.
Disclosure of Invention
The embodiment of the invention provides a lifting device, which can solve the technical problem that the stroke of jacking parts by using a jack is short. The technical scheme is as follows:
an embodiment of the present invention provides a lifting device, including: cyclic annular lifting base, lift support section of thick bamboo and jacking device, cyclic annular lifting base with the coaxial movable sleeve of lift support section of thick bamboo is established epaxial, jacking device sets up on the cyclic annular lifting base, just jacking device is located cyclic annular lifting base with between the lift support section of thick bamboo, be provided with first locking mechanism on the cyclic annular lifting base, first locking mechanism is configured to can with cyclic annular lifting base is in epaxial optional position locking, be provided with second locking mechanism on the lift support section of thick bamboo, second locking mechanism is configured to can with the lift support section of thick bamboo is in epaxial optional position locking.
In one implementation manner of the embodiment of the present invention, the annular lifting base includes: the lifting device comprises two first huff clamps, wherein semi-ring bearing plates which extend outwards along the radial direction of the two first huff clamps are arranged at the upper ends of the two first huff clamps respectively, and the lifting device is arranged on the semi-ring bearing plates of the two first huff clamps.
In another implementation manner of the embodiment of the present invention, the first locking mechanism includes anti-slip pads, and the anti-slip pads are disposed on inner walls of the two first huff clamps.
In another implementation of the embodiment of the present invention, the elevating support cylinder includes: the upper ends of the two second half clamps are respectively provided with an upper semi-ring bearing plate which extends outwards along the radial direction of the two second half clamps, and the lower ends of the two second half clamps are respectively provided with a lower semi-ring bearing plate which extends outwards along the radial direction of the two second half clamps.
In another implementation manner of the embodiment of the present invention, an outer diameter of the lower half ring bearing plate of the second half clamp is not smaller than an outer diameter of the half ring bearing plate of the first half clamp.
In another implementation manner of the embodiment of the present invention, a plurality of through holes are circumferentially arranged on the side walls of the two second huff clamps, the second locking mechanism includes a fastening bolt, the fastening bolt is inserted into the through holes, and the fastening bolt is in threaded connection with the two second huff clamps.
In another implementation manner of the embodiment of the invention, a resistance increasing block is arranged on an end face of the threaded end of the fastening bolt.
In another implementation manner of the embodiment of the present invention, the resistance increasing block is a rubber block.
In another implementation manner of the embodiment of the present invention, the second locking mechanism includes an anti-loosening ring, a plurality of second threaded holes matched with the fastening bolts are formed in a side wall of the anti-loosening ring, and the anti-loosening ring is sleeved on the second huff clip.
In another implementation of the embodiment of the present invention, the jacking device includes a plurality of jacks, and the plurality of jacks are circumferentially and equidistantly distributed on the semi-ring bearing plate of the first huff clip.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
the embodiment of the invention provides a supporting base for the lifting device by sleeving the annular lifting base on the shaft and installing the lifting device on the shaft, and simultaneously, the annular lifting base is provided with the first locking mechanism which is configured to be capable of locking the annular lifting base at any position on the shaft, so that the lifting device can be used for lifting or lowering parts at any position on the shaft, the lifting supporting cylinder is also arranged, the lifting device is arranged between the lifting supporting cylinder and the annular lifting base, the lifting supporting cylinder rises along with the lifting device under the action of the lifting device, when the lifting device reaches the lifting stroke limit, the lifting supporting cylinder with the parts is fixed on the shaft through the second locking mechanism, then the lifting device is retracted, the position of the annular lifting base on the shaft is adjusted, and the annular lifting base is close to the lifting supporting cylinder, and then the first locking mechanism locks the annular lifting base, then the jacking device is used for jacking the lifting support barrel again, the second jacking action of the jacking device is completed, and the part is jacked to the required position for assembly according to the steps. The invention solves the problem that the stroke of the jack is limited when the jack is used for jacking parts, improves the installation efficiency of shafting parts and reduces the assembly difficulty.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a lifting device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an annular lifting base according to an embodiment of the present invention;
FIG. 3 is a top view of the annular elevating base provided in FIG. 2;
FIG. 4 is a schematic structural diagram of a lift support cylinder according to an embodiment of the present invention;
FIG. 5 is a top view of one of the lift support cylinders provided in FIG. 4;
fig. 6 to 8 are schematic views illustrating a working state of a lifting device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The lifting device provided by the embodiment of the invention is usually used for jacking shaft system parts such as bearings and the like to positions required by assembly for a vertically arranged shaft system. The vertically placed shafting can be an intermediate shaft which is arranged in a ship body liquid cargo tank and is used for driving and connecting a ballast pump and a driving motor, and the intermediate shaft is vertically installed and has longer length and is not suitable for manually installing shafting parts such as bearings.
Fig. 1 is a schematic structural diagram of a lifting device according to an embodiment of the present invention, and as shown in fig. 1, the lifting device includes: annular lifting base 1, lift support cylinder 2 and jacking device 3. The annular lifting base 1 and the lifting support cylinder 2 are coaxially sleeved on the shaft 4 in a movable manner 4. The jacking device 3 is arranged on the annular lifting base 1, and the jacking device 3 is positioned between the annular lifting base 1 and the lifting support cylinder 2.
The annular lifting base 1 is provided with a first locking mechanism configured to be capable of locking the annular lifting base 1 at any position on the shaft 4, and the lifting support cylinder 2 is provided with a second locking mechanism configured to be capable of locking the lifting support cylinder 2 at any position on the shaft 4.
In the embodiment of the invention, an annular lifting base 1 is sleeved on a shaft 4, a jacking device 3 is arranged on the annular lifting base 1 to provide a supporting base for the jacking device 3, meanwhile, a first locking mechanism is arranged on the annular lifting base 1 and is configured to be capable of locking the annular lifting base 1 at any position on the shaft 4, so that the jacking device 3 can be used for jacking or lowering parts at any position on the shaft 4, a lifting support cylinder 2 is arranged, the jacking device 3 is arranged between the lifting support cylinder 2 and the annular lifting base 1, the lifting support cylinder 2 is lifted along with the lifting support cylinder under the action of the jacking device 3, when the jacking device 3 reaches the jacking stroke limit to complete one-time jacking action, the lifting support cylinder 2 with the parts is fixed on the shaft 4 through a second locking mechanism, then the position of the annular lifting base 1 on the shaft 4 is adjusted to be close to the lifting support cylinder 2, use 3 jacking lifting support section of thick bamboo 2 of jacking device again behind the cyclic annular lifting base 1 of first locking mechanism locking, accomplish jacking device 3's the second jacking action, according to above-mentioned step until with spare part jacking to assembly required position can. The invention solves the problem that the jack has limited stroke when the jack is used for jacking parts, improves the installation efficiency of the parts of the shaft 4 and reduces the assembly difficulty.
Fig. 2 is a schematic structural diagram of an annular lifting base 1 according to an embodiment of the present invention, fig. 3 is a top view of the annular lifting base 1 provided in fig. 2, and as shown in fig. 2 and 3, the annular lifting base 1 includes: the two first huff clamps 11, the upper ends of the two first huff clamps 11 are respectively provided with a half ring bearing plate 12 which extends outwards along the radial direction of the two first huff clamps 11, and the jacking device 3 is arranged on the half ring bearing plate 12 of the two first huff clamps 11. In the embodiment of the present invention, the upper end of the first huff clip 11 is provided with a half ring bearing plate 12, the jacking device 3 is disposed on the half ring bearing plate 12 for jacking the lifting support cylinder 2, and the half ring bearing plate 12 extending radially outward is disposed to provide an installation space for the jacking device 3. The jacking device 3 comprises a plurality of jacks, the jacks adopt spiral or hydraulic jacks, the jacks are uniform and stable in transmission motion, and the working stability of the lifting device can be improved. A plurality of jacks are circumferentially and equidistantly distributed on the semi-ring bearing plate 12 of the first huff clip 11. In the embodiment of the present invention, the number of the jacks is 4, and the interval angle between each jack is 90 ° when the jacks are installed on the half ring bearing plate 12. By providing a plurality of jacks circumferentially and equidistantly arranged on the semi-ring bearing plate 12, the jacking force can be uniformly applied to the lifting support cylinder 2, so that the lifting support cylinder can stably rise.
Preferably, the half ring bearing plate 12 of the first huff clip 11 can be provided with a plurality of circumferentially distributed mounting slots, and the jack is mounted in the mounting slots. The size of the mounting groove needs to be consistent with that of the bottom of the jack, the depth of the mounting groove can be 2-5mm, the jack can be conveniently mounted in the mounting groove, meanwhile, the jack can be prevented from sliding off the annular lifting base 1 in the lifting operation process, and the safety of the lifting device is improved.
Specifically, the inner diameters of the two first huff clamps 11 are the same as the outer diameter of the shaft 4. The inner diameter of the first half clamp 11 is consistent with the outer diameter of the shaft 4, so that a clearance or interference fit is formed between the annular lifting base 1 and the shaft 4, and the two first half clamps 11 can lock the annular lifting base 1 on the shaft 4.
Preferably, the first locking mechanism comprises anti-slip gaskets provided on the inner walls of the two first huff clamps 11. Wherein, anti-skidding gasket can be rubber slab or red copper gasket, has increased the frictional force between cyclic annular lifting pedestal 1 and the axle 4 and has protected the surface of axle 4 through setting up anti-skidding gasket, prevents that its surface from pressing from both sides 11 friction and damage with first huff.
Fig. 4 is a schematic structural diagram of a lift support cylinder 2 according to an embodiment of the present invention, fig. 5 is a top view of the lift support cylinder 2 provided in fig. 4, and as shown in fig. 4 and 5, the lift support cylinder 2 includes: two second huff clamps 21, upper half ring bearing plates 22 extending outwards along the radial direction of the two second huff clamps 21 are respectively arranged at the upper ends of the two second huff clamps 21, and lower half ring bearing plates 24 extending outwards along the radial direction of the two second huff clamps 21 are respectively arranged at the lower ends of the two second huff clamps 21. In the embodiment of the present invention, the upper semi-ring bearing plate 22 extending radially outward from the second huff clip 21 is used to bear components and parts required by other shafting systems, such as bearings, etc., and the lower semi-ring bearing plate 24 extending radially outward from the second huff clip 21 is used to abut against the lifting rod of the jack disposed on the annular lifting base 1 to bear the jacking force provided by the jack.
In the present embodiment, the inner diameter of the second half clamp 21 is larger than the outer diameter of the shaft 4. Because lift support section of thick bamboo 2 need reciprocate on axle 4 under the promotion of jacking device 3, consequently for the convenience of the removal of lift support section of thick bamboo 2, all set up the internal diameter of second huff clamp 21 to be greater than the external diameter of axle 4, prevent to take place to interfere or the removal that the friction influences lift support section of thick bamboo 2 with axle 4 in the removal process to make the lifting device carry out the jacking high-efficient or transfer the lift work of spare part.
Preferably, the outer diameter of the lower half ring plate 24 of the second half clamp 21 is not less than the outer diameter of the half ring plate of the first half clamp 11. That is, the area enclosed by the upper and lower half ring bearing plates 24 of the lifting support cylinder 2 is larger than or equal to the area enclosed by the upper half ring bearing plate 22 of the annular lifting base 1, so that the lifting rod of the jack can support the lower half ring bearing plate 24 of the lifting support cylinder 2 no matter the position of the half ring bearing plate 12 arranged on the annular lifting base 1, thereby reducing the precision requirement of jack arrangement and facilitating assembly.
As shown in fig. 5, the second locking mechanism includes a fastening bolt 25, a plurality of circumferentially arranged through holes 23 are provided on the side walls of the two second huff clamps 21, the fastening bolt 25 is inserted into the through hole 23, and the fastening bolt 25 is in threaded connection with the two second huff clamps 21. In an implementation manner of the embodiment of the present invention, the through hole formed in the side wall of the second huff clip is a threaded hole, the fastening bolt 25 is in threaded connection with the second huff clip through the through hole, and when the lifting support cylinder 2 is locked by the second locking mechanism, the fastening bolt 25 is screwed into the through hole and abuts against the shaft 4, so that the lifting support cylinder 2 can be fixed on the shaft 4 by the fastening force provided by the fastening bolt 25. In the above implementation manner, the lifting support cylinder 2 is provided with 4 through holes 23, the distribution interval angle of the 4 through holes 23 is 90 °, and the jacking force is applied to the shaft 4 through the fastening bolts 25 in four directions, so that the lifting support cylinder 2 is stably fixed on the shaft 4. In another implementation of the exemplary embodiment of the present invention, a locknut 26 is welded into the through-hole 23 formed in the side wall of the second half clamp 21, or the locknut 26 is fixed against the side wall of the second half clamp 21 and the threaded hole of the locknut 26 is aligned with the through-hole 23. Through setting up locknut and fastening bolt cooperation, avoid direct processing on the second ha fu presss from both sides, the manufacturing of the second ha fu clamp of being convenient for. When the lifting support cylinder 2 is locked by the second locking mechanism, the fastening bolt 25 is screwed into the threaded hole of the locknut 26 and then abuts against the shaft 4, and the lifting support cylinder 2 can be fixed on the shaft 4 by means of the fastening force provided by the fastening bolt 25. In the above implementation manner, the lifting support cylinder 2 is provided with 4 through holes 23, the distribution interval angle of the 4 through holes 23 is 90 °, and the jacking force is applied to the shaft 4 through the fastening bolts 25 in four directions, so that the lifting support cylinder 2 is stably fixed on the shaft 4. When the second locking structure is installed, the fastening bolt 25 can be inserted into the through hole 23 on the side wall of the second huff clamp 21, after the fastening bolt 25 protrudes out of the side wall of the second huff clamp 21, the locknut 26 is screwed into the fastening bolt 25, and then the fastening bolt 25 is adjusted until the fastening bolt abuts against the shaft 4, so as to fix the lifting support cylinder 2.
Optionally, the threaded end of the fastening bolt 25 is provided with an incremental stop. In the embodiment of the invention, in order to improve the stability of the second locking mechanism for locking the lifting support cylinder 2, the thread end of the fastening bolt 25 is provided with the resistance increasing block, wherein the thread end is one end capable of being screwed with a nut, the resistance increasing block can be embedded into the thread end of the fastening bolt 25, the resistance increasing block is abutted against the outer surface of the shaft 4, the axial 4-direction resistance between the fastening bolt 25 and the outer surface of the shaft 4 is increased, the second locking mechanism is prevented from sliding off the shaft 4, and the second locking mechanism can be locked on the shaft 4 more stably.
Preferably, the resistance increasing block is a rubber block. Set up the rubber block and not only can increase the frictional force between fastening bolt 25 and the surface of axle 4, make second locking mechanism's locking effect better, still through the outer surface contact of rubber block with axle 4, prevent that fastening bolt from with the axle fish tail, played the effect of protection axle, increased the life of axle.
Fig. 6 is a schematic structural diagram of an anti-loosening ring according to an embodiment of the present invention, and as shown in fig. 6, the second locking mechanism includes an anti-loosening ring 27, a plurality of second threaded holes 270 are provided on a side wall of the anti-loosening ring 27, and the anti-loosening ring 27 is fitted over the second huff clip 21 (see fig. 5). In the embodiment of the invention, each fastening bolt 25 is screwed into the anti-loosening ring 27 and then inserted into the through hole 23 on the side wall of the second huff clamp 21, and all the fastening bolts 25 are synchronously installed in the anti-loosening ring, so that the fastening bolts 25 can be prevented from falling off from the second huff clamp 21, and the stability of locking and fixing of the second locking mechanism is improved.
When the shafting components are lifted or lowered through the lifting device provided by the embodiment of the invention, firstly, the shafting components (such as bearings) are placed at any position on the shaft, the ring lifting base and the lifting support cylinder are arranged on the shaft under the shaft, meanwhile, the bearings (shown as 5 in figures 6, 7 and 8) are placed on the upper half ring support plate of the lifting support cylinder, then, a lifting device (jack) is placed on the half ring support plate of the ring lifting base which is locked and arranged on the shaft, the lifting device is ensured to be placed in the installation groove on the half ring support plate, at the moment, the lifting rod of the jack is in a recovery state (see figure 6), and then, the position of the lifting support cylinder is adjusted to be placed on the lifting rod. Before the jack is jacked, the fastening bolt is required not to be in contact with the shaft, then the handle of the jack is manually rotated to enable the lifting rod of the jack to extend and push the lifting support cylinder to ascend, and when the stroke of the jack reaches the maximum value (see figure 7), the fastening bolt is screwed to abut against the shaft and is jacked tightly, so that the lifting support cylinder bears the weight of the bearing; then the handle of the jack is rotated reversely, and the jack extends out of the lifting rod and is retracted; moving the annular lifting base and the jack to the next stroke position (see fig. 8), then locking the annular lifting base, and rotating the recovery fastening bolt to ensure that the recovery fastening bolt does not abut against the shaft; and then rotating the handle of the jack to lift the next round until the bearing is lifted to the required position.
The initial state of the lifting rod of the jack needs to be in an extension state in the descending process, and other operation processes are similar to those in the jacking process, and are not described in detail herein. The invention can meet the lifting stroke requirement of the parts in the vertical shafting in any range by the way of the relay type jacking or lowering of the shafting parts.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A lifting device, comprising: the lifting device is arranged on the annular lifting base, and the lifting device is positioned between the annular lifting base and the lifting supporting cylinder,
a first locking mechanism is arranged on the annular lifting base and is configured to lock the annular lifting base at any position on the shaft, a second locking mechanism is arranged on the lifting support cylinder and is configured to lock the lifting support cylinder at any position on the shaft,
the annular lifting base comprises: the upper ends of the two first half clamps are respectively provided with a semi-ring bearing plate which extends outwards along the radial direction of the two first half clamps, the jacking device is arranged on the semi-ring bearing plates of the two first half clamps,
the lift support cylinder includes: the upper ends of the two second half clamps are respectively provided with an upper semi-ring bearing plate which extends outwards along the radial direction of the two second half clamps, the lower ends of the two second half clamps are respectively provided with a lower semi-ring bearing plate which extends outwards along the radial direction of the two second half clamps,
the jacking device comprises a plurality of jacks, the jacks are circumferentially and equidistantly distributed on the semi-ring bearing plate, a plurality of circumferentially distributed mounting grooves are formed in the semi-ring bearing plate, the jacks are located in the mounting grooves, and the size of the mounting grooves is consistent with that of the bottoms of the jacks.
2. The lifting device as recited in claim 1, wherein the first locking mechanism comprises anti-slip pads disposed on an inner wall of the two first huff clamps.
3. The lift device of claim 1, wherein the outer diameter of the lower half ring bearing plate of the second half clamp is not less than the outer diameter of the half ring bearing plate of the first half clamp.
4. The lifting device as claimed in claim 1, wherein a plurality of through holes are circumferentially arranged on the side walls of the two second huff clamps, the second locking mechanism comprises a fastening bolt, the fastening bolt is inserted into the through holes, and the fastening bolt is in threaded connection with the two second huff clamps.
5. The lifting device as claimed in claim 4, wherein the end face of the threaded end of the fastening bolt is provided with a resistance increasing block.
6. The lift device of claim 5, wherein the resistance increasing block is a rubber block.
7. The lifting device as claimed in claim 4, wherein the second locking mechanism comprises an anti-loosening ring, a plurality of second threaded holes are formed in a side wall of the anti-loosening ring for engaging with the fastening bolts, and the anti-loosening ring is sleeved on the second half clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810505971.XA CN108557688B (en) | 2018-05-24 | 2018-05-24 | Lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810505971.XA CN108557688B (en) | 2018-05-24 | 2018-05-24 | Lifting device |
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| Publication Number | Publication Date |
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| CN108557688A CN108557688A (en) | 2018-09-21 |
| CN108557688B true CN108557688B (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810505971.XA Active CN108557688B (en) | 2018-05-24 | 2018-05-24 | Lifting device |
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| CN (1) | CN108557688B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113526087A (en) * | 2021-08-04 | 2021-10-22 | 北京汽车集团越野车有限公司 | Turnover device |
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| CN106112993A (en) * | 2016-08-22 | 2016-11-16 | 常州信息职业技术学院 | A kind of alternative expression climbing level robot |
| CN106744553A (en) * | 2016-12-20 | 2017-05-31 | 张清源 | Automatically bar lowering or hoisting gear and climbing method are climbed |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202474611U (en) * | 2012-02-21 | 2012-10-03 | 上海天灵开关厂有限公司 | Half clamp for assembling three-station switch of gas insulating cabinet |
| CN202945031U (en) * | 2012-11-05 | 2013-05-22 | 湖南省电力公司娄底电业局 | Comprehensive insulation lifting platform |
| CN203144035U (en) * | 2013-03-28 | 2013-08-21 | 安徽瑞侃电缆科技有限公司 | Cable drum lifting device |
| CN104283152A (en) * | 2014-10-08 | 2015-01-14 | 国家电网公司 | Self-lifting rotary insulation cage |
| CN104828751A (en) * | 2015-04-29 | 2015-08-12 | 毛岳生 | Equipment for maintaining power iron tower by using limit switch and use method of equipment |
| CN205099288U (en) * | 2015-10-13 | 2016-03-23 | 纽科伦（新乡）起重机有限公司 | Work platform of climbing certainly from climbing device and use device |
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| CN106744553A (en) * | 2016-12-20 | 2017-05-31 | 张清源 | Automatically bar lowering or hoisting gear and climbing method are climbed |
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| Publication number | Publication date |
|---|---|
| CN108557688A (en) | 2018-09-21 |
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