CN112499473A - Supporting and hanging device for installation and maintenance of electric hoist equipment and using method thereof - Google Patents
Supporting and hanging device for installation and maintenance of electric hoist equipment and using method thereof Download PDFInfo
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- CN112499473A CN112499473A CN202011234677.3A CN202011234677A CN112499473A CN 112499473 A CN112499473 A CN 112499473A CN 202011234677 A CN202011234677 A CN 202011234677A CN 112499473 A CN112499473 A CN 112499473A
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- electric hoist
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/08—Constructional features of runway rails or rail mountings
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a supporting and hanging device for mounting and overhauling electric hoist equipment and a using method thereof. According to the invention, the supporting and hanging device is detachably arranged on the I-shaped beam of the electric hoist track, so that a fulcrum is provided for the installation of the chain block, the structure of a factory building is prevented from being damaged, the operation time is greatly shortened, and the labor intensity is reduced; the use of the invention is not limited by the field, the use of a hoisting device is avoided when the electric hoist is installed or maintained, the workload of early preparation can be reduced, the plant structure is prevented from being restored in the later period, and the working efficiency is effectively improved.
Description
Technical Field
The invention relates to the technical field of electric hoists, in particular to a supporting and hanging device for installation and maintenance of electric hoist equipment and a using method thereof.
Background
The electric hoist is a special lifting equipment, is mounted on overhead travelling crane and gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is used in places such as industrial and mining enterprises, storage, wharfs and the like. In the metallurgical industry, an electric hoist is also a common hoisting device, and is commonly arranged on the top of a factory or in an underground storage bin space. Because the position that the electric hoist is located is more special, when the electric hoist itself breaks down and needs to overhaul it and maintain or install an electric hoist additional because of the on-the-spot needs, easily receive the restriction in place and can't utilize other maintenance hoisting equipment. The common method at present is to open a hole (a concrete factory building) right above an I-beam of an electric hoist track and use a steel wire rope as a hanging point, and then hang a chain block at the hanging point to pull the electric hoist to install or maintain; or angle steel, channel steel or other section steel is welded on the I-shaped beam surface of the electric hoist track to be used as a hanging point, and the chain block is hung for installation or maintenance, so that the working efficiency is extremely low.
The following problems exist in the installation and maintenance process of the electric hoist equipment in the prior art: 1. the electric hoist is positioned at a higher position and is positioned in a narrower place, so that the electric hoist is difficult to be directly installed or overhauled by using hoisting mechanical equipment, the installation and overhaul work efficiency of the electric hoist is low, and the labor intensity of maintenance personnel is high; 2. the workload of the early preparation of installation or maintenance is large, and the factory structure needs to be recovered after the installation or maintenance is finished, the operation time is long, and the labor intensity is obviously higher. It is therefore desirable to solve the above problems by providing a device that facilitates the installation or maintenance of the electric hoist.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a supporting and hanging device for electric hoist equipment installation and maintenance and a using method thereof.
The technical purpose of the invention is realized by the following technical scheme:
support cable suspension device of electric hoist equipment fixing and maintenance, including crossbeam, stand, connecting seat and clamp plate, the both ends symmetry of crossbeam is equipped with hangs the hole, the stand is located between crossbeam and the connecting seat, and the both ends of stand are connected with crossbeam and connecting seat detachably respectively, two clamp plate detachably sets up the bottom surface at the connecting seat, and the distance between two clamp plates is less than the pterygoid lamina width of electric hoist track I-beam, and two clamp plates fix the connecting seat in electric hoist track I-beam top, when needs install electric hoist, will support cable suspension device and install on electric hoist track I-beam, through hanging hole installation chain block, the chain block through both ends is drawn electric hoist to electric hoist track I-beam department and is installed.
In one embodiment, two long through holes are symmetrically and respectively arranged on two sides of the connecting seat, the pressing plate is provided with two connecting holes, the bolt penetrates through the long through holes and the connecting holes to be connected with the nut, the two pressing plates are respectively fixed on two sides of the bottom of the connecting seat, and the alignment positions of the connecting holes of the pressing plates and the long through holes of the connecting seat can be adjusted according to the width of a wing plate of the electric hoist track I-beam, so that the supporting and hanging device can be suitable for electric hoist track I-beams of different models.
In one embodiment, the pressing plates are provided with inclined surface fixing parts matched with wing plates of the electric hoist track I-beam, the inclined surface fixing parts of the two pressing plates are oppositely arranged, the connecting seat is fixed above the electric hoist track I-beam, and the support hanging device is dismounted only by dismounting the two pressing plates.
In one embodiment, the cross beam is provided with a plurality of hanging holes, the number of the hanging holes is even, the hanging holes are symmetrically arranged on two sides of the cross beam, when the electric hoist needs to be hung, two symmetrical hanging holes on the cross beam are selected, a chain block is installed on the selected hanging holes, and the electric hoist is hung through the chain block.
In one embodiment, the middle of the beam is detachably connected with the upright post, the distances between the symmetrical hanging holes on the two sides of the beam and the upright post are equal, and the chain blocks arranged through the hanging holes on the two sides need to pull the electric hoist, so that the hanging holes need to be symmetrically arranged, and balance is kept when the electric hoist is pulled.
In one embodiment, the length of the connecting seat is smaller than that of the cross beam, and because the chain block needs to be installed on two sides of the cross beam to hoist the electric hoist, if the length of the connecting seat is larger than or equal to that of the cross beam, the chain block cannot hoist the electric hoist smoothly.
In one embodiment, the length of the cross beam is greater than or equal to the width of the electric hoist, and if the length of the cross beam is less than the width of the electric hoist, when the electric hoist is hoisted by the chain blocks installed through the hoisting holes on the two sides of the cross beam, a steel wire rope between the chain block and the electric hoist is easily blocked, so that the installation or maintenance efficiency is affected.
In one embodiment, the length range of the upright column is 500-1000mm, preferably, the length of the upright column is 400mm, 600mm or 800mm, the length of the upright column is determined according to the distance between the electric hoist rail i-beam and the plant structure, and the support hanging device cannot be integrally installed on the electric hoist rail i-beam due to the excessively long length of the upright column.
The use method of the supporting and hanging device for the installation and the maintenance of the electric hoist equipment comprises the following steps,
firstly, a connecting seat is placed above an I-shaped beam of an electric hoist track, the connecting seat is fixedly connected with the bottom of the connecting seat through two pressing plates, the connecting seat is fixed on the I-shaped beam of the electric hoist track, a stand column is fixedly arranged above the connecting seat, and a cross beam is fixedly arranged at the top end of the stand column;
when a new electric hoist is installed, the two sides of the cross beam are respectively provided with the hand blocks by taking symmetrical hanging holes at the two sides of the cross beam as supporting points, the two hand blocks are respectively connected with the electric hoist on the ground through the steel wire rope, the electric hoist is hung to the position below the I-shaped beam of the electric hoist track through the two hand blocks, and then the electric hoist is installed;
when an old electric hoist is maintained, the supporting and hanging device is positioned right above the electric hoist to be maintained, the two sides of the cross beam are respectively provided with the chain blocks by taking symmetrical hanging holes at the two sides of the cross beam as supporting points, the two chain blocks are respectively connected with the electric hoist to be maintained through the steel wire ropes, the electric hoist is hung through the two chain blocks, and then the electric hoist is maintained;
and after the installation of a new electric hoist or the maintenance of the old electric hoist is finished, the supporting and hanging device above the I-shaped beam of the electric hoist track is disassembled.
In one embodiment, two long through holes are symmetrically formed in two sides of the connecting seat respectively, the pressing plate is provided with two connecting holes, the bolt penetrates through the long through holes and the connecting holes to be connected with the nut, the two pressing plates are fixed on two sides of the bottom of the connecting seat respectively, the aligning positions of the connecting holes of the pressing plates and the long through holes of the connecting seat are adjusted according to the width of a wing plate of the electric hoist track I-beam, the pressing plates are fixed on two sides of the bottom of the connecting seat through connection of the bolt and the nut, and the connecting seat is fixedly connected with the electric.
The invention has the following beneficial effects:
according to the invention, the supporting and hanging device is detachably arranged on the I-shaped beam of the electric hoist track, so that a fulcrum is provided for the installation of the chain block, the structure of a factory building is prevented from being damaged, the operation time is greatly shortened, and the labor intensity is reduced; the invention is not limited by the field, avoids using a hoisting device when the electric hoist is installed or maintained, can reduce the workload of early preparation, avoids recovering the structure of a factory building in the later period, and effectively improves the working efficiency.
Drawings
FIG. 1 is a schematic view of the present invention in use;
FIG. 2 is a schematic front view of the support hanger of the present invention;
FIG. 3 is a side schematic view of the support hanger of the present invention;
FIG. 4 is a schematic top view of the support hanger of the present invention;
FIG. 5 is a front view of the connecting socket of the present invention;
FIG. 6 is a side view of the connector housing of the present invention;
FIG. 7 is a schematic top view of the connecting socket of the present invention;
FIG. 8 is a schematic front view of the platen of the present invention;
FIG. 9 is a schematic top view of the platen of the present invention;
FIG. 10 is a schematic front view of a column of the present invention;
FIG. 11 is a side schematic view of a column of the present invention;
FIG. 12 is a schematic front view of a beam of the present invention;
fig. 13 is a side schematic view of a beam of the present invention.
In the figure: 1-connecting seat, 11-long through hole, 2-upright post, 3-cross beam, 31-hanging hole, 4-pressing plate, 41-connecting hole, 42-inclined plane fixing part, 5-electric hoist track I-beam, 6-electric hoist and 7-hand chain hoist.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
It should be noted that all the directional terms such as "upper" and "lower" referred to herein are used with respect to the view of the drawings, and are only for convenience of description, and should not be construed as limiting the technical solution.
As shown in fig. 1-13, the supporting and hanging device for installation and maintenance of electric hoist equipment comprises a cross beam 3, a vertical column 2, a connecting seat 1 and pressing plates 4, wherein hanging holes 31 are symmetrically arranged at two ends of the cross beam 3, the vertical column 2 is positioned between the cross beam 3 and the connecting seat 1, two ends of the vertical column 2 are respectively detachably connected with the cross beam 3 and the connecting seat 1 through bolt and nut structures, the two pressing plates 4 are detachably arranged on the bottom surface of the connecting seat 1, the distance between the two pressing plates 4 is smaller than the width of a wing plate of the electric hoist track i-beam 5, the connecting seat 1 is fixed above the electric hoist track i-beam 5 by the two pressing plates 4, when the electric hoist 6 needs to be installed, the supporting and hanging device is installed on the electric hoist track i-beam 5, a chain block 7 is installed through the hanging holes 31, the electric hoist 6 is pulled to the electric hoist track i, two long through holes 11 are symmetrically and respectively arranged on two sides of the connecting seat 1, the pressing plate 4 is provided with two connecting holes 41, bolts penetrate through the long through holes 11 and the connecting holes 41 to be connected with nuts, the two pressing plates 4 are respectively fixed on two sides of the bottom of the connecting seat 1, and the aligning positions of the connecting holes 41 of the pressing plates 4 and the long through holes 11 of the connecting seat 1 can be adjusted according to the width of a wing plate of the electric hoist track I-beam 5, so that the supporting and hanging device can be suitable for electric hoist track I-beams 5 of different models.
In this embodiment, the pressing plates 4 are provided with slope fixing portions 42 adapted to the wing plates of the i-beam 5 of the electric hoist track, the slope fixing portions 42 of the two pressing plates 4 are oppositely arranged, the connecting seat 1 is fixed above the i-beam 5 of the electric hoist track, and the two pressing plates 4 are only required to be detached to detach the supporting and hanging device.
In this embodiment, the beam 3 is provided with a plurality of hanging holes 31, the number of the hanging holes 31 is an even number, the hanging holes 31 are symmetrically arranged on two sides of the beam 3, when the electric hoist 6 needs to be hung, two symmetrical hanging holes 31 on the beam 3 are selected, the chain block 7 is installed on the selected hanging hole 31, and the electric hoist 6 is hung through the chain block 7.
In this embodiment, the middle of crossbeam 3 is connected with stand 2 detachably, and the distance of the hanging hole 31 of crossbeam 3 bilateral symmetry equals with stand 2, because chain block 7 through the hanging hole 31 installation on both sides all need stimulate electric block 6, consequently need hanging hole 31 symmetry setting, keeps balance when guaranteeing to stimulate electric block 6.
In this embodiment, the length of connecting seat 1 is less than the length of crossbeam 3, because crossbeam 3 both sides need install chain block 7 and hang electric block 6, if the length of connecting seat 1 is greater than or equal to the length of crossbeam 3, all can make chain block 7 can not hang electric block 6 smoothly.
In this embodiment, the length of crossbeam 3 is greater than or equal to the width of electric block 6, if crossbeam 3 length is less than the width of electric block 6, when hoisting electric block 6 through the chain block 7 of the hanging hole 31 installation on crossbeam 3 both sides, the wire rope between chain block 7 and electric block 6 is easily hindered, influences the efficiency of installation or maintenance.
In the embodiment, the length range of the upright column 2 is 500-1000mm, preferably, the length of the upright column 2 is 400mm, 600mm or 800mm, the length of the upright column 2 is determined according to the distance between the electric hoist rail i-beam 5 and the plant structure, and the support hanging device cannot be installed on the electric hoist rail i-beam 5 as a whole due to the excessively long length of the upright column 2.
The use method of the supporting and hanging device for the installation and the maintenance of the electric hoist equipment is described in combination with the content of the above embodiment, which comprises the following steps,
firstly, a connecting seat 1 is placed above an electric hoist track I-beam 5, the connecting seat 1 is fixed on the electric hoist track I-beam 5 through the fixed connection of two pressing plates 4 and the bottom of the connecting seat 1, an upright post 2 is fixedly installed above the connecting seat 1, and a cross beam 3 is fixedly installed at the top end of the upright post 2;
when a new electric hoist 6 is installed, the two symmetrical hanging holes 31 on the two sides of the cross beam 3 are taken as supporting points, the two hand hoists 7 are respectively installed on the two sides of the cross beam 3, the two hand hoists 7 are respectively connected with the electric hoist 6 on the ground through steel wire ropes, the electric hoist 6 is hoisted to the position below the electric hoist track I-beam 5 through the two hand hoists 7, and then the electric hoist 6 is installed;
when an old electric hoist 6 is maintained, the supporting and hanging device is positioned right above the electric hoist 6 to be maintained, the two sides of the cross beam 3 are respectively provided with the hand blocks 7 by taking the symmetrical hanging holes 31 at the two sides of the cross beam 3 as supporting points, the two hand blocks 7 are respectively connected with the electric hoist 6 to be maintained through the steel wire rope, the electric hoist 6 is hung through the two hand blocks 7, and then the electric hoist 6 is maintained;
after the installation of a new electric hoist 6 or the maintenance of the old electric hoist 6 is finished, the supporting and hanging device above the I-shaped beam 5 of the electric hoist track is disassembled.
The two long through holes 11 are symmetrically and respectively arranged on two sides of the connecting seat 1, the pressing plate 4 is provided with two connecting holes 41, the bolt penetrates through the long through holes 11 and the connecting holes 41 to be connected with the nut, the two pressing plates 4 are respectively fixed on two sides of the bottom of the connecting seat 1, the aligning positions of the connecting holes 41 of the pressing plate 4 and the long through holes 11 of the connecting seat 1 are adjusted according to the width of a wing plate of the electric hoist track I-beam 5, the pressing plates 4 are fixed on two sides of the bottom of the connecting seat 1 through the connection of the bolt and the nut, and the connecting seat 1 is fixedly connected with.
According to the invention, the support hanging device is detachably arranged on the I-shaped beam 5 of the electric hoist track, so that a fulcrum is provided for the installation of the chain block 7, the structure of a factory building is prevented from being damaged, the operation time is greatly shortened, and the labor intensity is reduced; the invention is not limited by the field, avoids using a hoisting device when the electric hoist 6 is installed or maintained, can reduce the workload of early preparation, avoids recovering the structure of a factory building in the later period, and effectively improves the working efficiency.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse explanation, these directional terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present application.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures, and it is to be understood that spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. Support cable suspension device of electric hoist equipment fixing and maintenance, its characterized in that, including crossbeam (3), stand (2), connecting seat (1) and clamp plate (4), the both ends symmetry of crossbeam (3) is equipped with hanging hole (31), stand (2) are located between crossbeam (3) and connecting seat (1), and the both ends of stand (2) are connected, two with crossbeam (3) and connecting seat (1) detachably respectively clamp plate (4) detachably sets up the bottom surface at connecting seat (1), and the distance between two clamp plates (4) is less than the pterygoid lamina width of electric hoist track I-beam (5), and two clamp plates (4) are fixed connecting seat (1) in electric hoist track I-beam (5) top.
2. The supporting and hanging device for installation and maintenance of the electric hoist equipment as claimed in claim 1, wherein two long through holes (11) are symmetrically formed on two sides of the connecting base (1), two connecting holes (41) are formed in the pressing plate (4), and bolts are connected with nuts through the long through holes (11) and the connecting holes (41) to fix the two pressing plates (4) on two sides of the bottom of the connecting base (1) respectively.
3. Support and suspension device for the installation and maintenance of electric hoist equipment according to claim 2, characterized in that the pressure plates (4) are provided with inclined fixing parts (42) adapted to the wing plates of the i-beam (5) of the electric hoist rail, and the inclined fixing parts (42) of the two pressure plates (4) are arranged opposite to each other.
4. The supporting and hanging device for the installation and the overhaul of the electric hoist equipment as claimed in claim 1, wherein the cross beam (3) is provided with a plurality of hanging holes (31), the number of the hanging holes (31) is even, and the plurality of hanging holes (31) are symmetrically arranged at two sides of the cross beam (3).
5. A supporting and hanging device for mounting and overhauling electric hoist equipment as claimed in claim 4, wherein the middle of the cross beam (3) is detachably connected with the upright post (2), and the distances between the symmetrical hanging holes (31) on the two sides of the cross beam (3) and the upright post (2) are equal.
6. Support and suspension device for the installation and maintenance of electric hoist equipment according to claim 1, characterized in that the length of the connection base (1) is less than the length of the cross beam (3).
7. Support hanger for the installation and maintenance of electric hoist equipment according to claim 1, characterized in that the length of the cross beam (3) is greater than or equal to the width of the electric hoist (6).
8. Support and suspension device for the installation and maintenance of electric hoist equipment according to claim 1, characterized in that the length of the upright (2) ranges from 500 to 1000 mm.
9. The method for using the supporting and hanging device for the installation and the overhaul of the electric hoist equipment as claimed in claim 1, characterized by comprising the following steps,
firstly, a connecting seat (1) is placed above an electric hoist track I-beam (5), the connecting seat (1) is fixed on the electric hoist track I-beam (5) through the fixed connection of two pressing plates (4) and the bottom of the connecting seat (1), an upright post (2) is fixedly installed above the connecting seat (1), and a cross beam (3) is fixedly installed at the top end of the upright post (2);
when a new electric hoist (6) is installed, the two symmetrical hanging holes (31) on the two sides of the beam (3) are taken as supporting points, the two hand-pulling hoists (7) are respectively installed on the two sides of the beam (3), the two hand-pulling hoists (7) are respectively connected with the electric hoist (6) on the ground through steel wire ropes, the electric hoist (6) is hoisted to the position below the electric hoist track I-beam (5) through the two hand-pulling hoists (7), and then the electric hoist (6) is installed;
when an old electric hoist (6) is maintained, the supporting and hanging device is positioned right above the electric hoist (6) to be maintained, the two symmetrical hanging holes (31) on the two sides of the beam (3) are taken as supporting points, the two hand hoists (7) are respectively installed on the two sides of the beam (3), the two hand hoists (7) are respectively connected with the electric hoist (6) to be maintained through steel wire ropes, the electric hoist (6) is hoisted through the two hand hoists (7), and then the electric hoist (6) is maintained;
after the installation of a new electric hoist (6) or the maintenance of the old electric hoist (6) is finished, the supporting and hanging device above the I-shaped beam (5) of the electric hoist track is disassembled.
10. The use method of the supporting and hanging device for installation and maintenance of the electric hoist equipment as claimed in claim 9, wherein two long through holes (11) are symmetrically formed in two sides of the connecting base (1), the pressing plate (4) is provided with two connecting holes (41), the bolt penetrates through the long through holes (11) and the connecting holes (41) and is connected with the nut, the two pressing plates (4) are respectively fixed on two sides of the bottom of the connecting base (1), the aligning position of the connecting holes (41) of the pressing plate (4) and the long through holes (11) of the connecting base (1) is adjusted according to the width of the wing plate of the electric hoist track I-beam (5), the pressing plates (4) are fixed on two sides of the bottom of the connecting base (1) through connection of the bolt and the nut, and the connecting base (1) and the electric hoist track I-beam (.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011234677.3A CN112499473A (en) | 2020-11-07 | 2020-11-07 | Supporting and hanging device for installation and maintenance of electric hoist equipment and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011234677.3A CN112499473A (en) | 2020-11-07 | 2020-11-07 | Supporting and hanging device for installation and maintenance of electric hoist equipment and using method thereof |
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| CN112499473A true CN112499473A (en) | 2021-03-16 |
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| CN202011234677.3A Pending CN112499473A (en) | 2020-11-07 | 2020-11-07 | Supporting and hanging device for installation and maintenance of electric hoist equipment and using method thereof |
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| CN114109011A (en) * | 2021-11-30 | 2022-03-01 | 华能秦煤瑞金发电有限责任公司 | A coal conveying trestle maintenance device |
| CN115723096A (en) * | 2021-09-01 | 2023-03-03 | 大福自动搬送设备(苏州)有限公司 | Easy-to-install pedal device and installation method thereof |
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| CN117401566A (en) * | 2022-07-07 | 2024-01-16 | 中冶宝钢技术服务有限公司 | A driving electric hoist replacement device and replacement method |
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| CN114109011A (en) * | 2021-11-30 | 2022-03-01 | 华能秦煤瑞金发电有限责任公司 | A coal conveying trestle maintenance device |
| CN117401566A (en) * | 2022-07-07 | 2024-01-16 | 中冶宝钢技术服务有限公司 | A driving electric hoist replacement device and replacement method |
| CN116177432A (en) * | 2022-12-09 | 2023-05-30 | 中国长江电力股份有限公司 | A device for installing and dismounting an electric hoist in a hydropower station and a method for using it |
| CN116177432B (en) * | 2022-12-09 | 2026-01-20 | 中国长江电力股份有限公司 | Hydropower station electric hoist mounting and dismounting device and use method |
| CN115959565A (en) * | 2022-12-20 | 2023-04-14 | 中国二十冶集团有限公司 | Installation device and installation method for track beam and electric hoist in limited space |
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