CN211545806U - Elevator convenient to overhaul - Google Patents

Elevator convenient to overhaul Download PDF

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Publication number
CN211545806U
CN211545806U CN201922454550.1U CN201922454550U CN211545806U CN 211545806 U CN211545806 U CN 211545806U CN 201922454550 U CN201922454550 U CN 201922454550U CN 211545806 U CN211545806 U CN 211545806U
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China
Prior art keywords
fixedly connected
fixed
sliding
rod
connecting rod
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CN201922454550.1U
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陶德伟
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Jiangsu Boxiong Intelligent Manufacturing Co ltd
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Jiangsu Boxiong Intelligent Manufacturing Co ltd
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Abstract

The utility model discloses a lift convenient to overhaul, including fixed plate, fixed block, bottom plate, slide bar, sliding block, fixed stop, sucking disc connecting rod, sucking disc fixed block, first spring, clamp plate, scissor plate, rotate connecting block, rectangle loop bar, rectangle connecting rod, safe binding area, safety rope, take-up drum, dwang, rolling knob, rectangle set casing, threaded rod knob, elevating platform, connecting rod, loop bar, first electronic hydraulic stem, universal wheel, the electronic hydraulic stem of second, slider connecting rod, spacing inserted bar, plectrum, second spring and slider. The utility model has the advantages that: this device is rational in infrastructure, goes up and down to the elevating platform through the drive structure, and when the drive structure damaged, can play the effect of supporting and raising the elevating platform through two first electronic hydraulic stems, the maintenance personal of being convenient for maintains the drive structure.

Description

Elevator convenient to overhaul
Technical Field
The utility model relates to a lift specifically is a lift convenient to overhaul belongs to lift application technical field.
Background
An elevator, an elevating operation platform, is a multifunctional elevating mechanical equipment, which can be divided into a fixed type and a movable type, a guide rail type, a crank arm type, a scissor fork type, a chain type, a loading and unloading platform and the like, and the elevator is generally used for rescue and decoration.
When the driving device of the elevator is used, the part of the driving machine which is easy to damage is supported by a lifting platform by using tools such as a jack and the like, and then the lifting platform is maintained, so that the maintenance is troublesome, and meanwhile, the accident is easy to happen to a worker on the lifting platform due to the fault. Therefore, an elevator convenient to overhaul is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lift convenient to overhaul for solving above-mentioned problem just.
The utility model realizes the purpose through the following technical proposal, a lifter which is convenient for maintenance, comprises a bottom plate, a fixed plate, a lifting platform, a fixed structure and a driving structure;
the upper surface of the bottom plate is fixedly connected with a fixed plate, a driving structure is fixedly installed between the fixed plate and the lifting platform, a fixed structure is fixedly installed on the side surface of the bottom plate, one end of a first electric hydraulic rod is fixedly connected to the side surface of the upper surface of the fixed plate, the other end of the first electric hydraulic rod is fixedly connected with a loop bar, one end of a connecting rod is sleeved in an inner cavity of the loop bar in a sliding mode, and the other end of the connecting rod is fixedly connected to the lower surface of the lifting platform;
rectangular loop bars are fixedly connected to two ends of the upper surface of the lifting platform, one end of each rectangular connecting rod is sleeved in an inner cavity of each rectangular loop bar in a sliding mode, the other end of each rectangular connecting rod is connected with a rotating rod in a rotating mode, two ends of each rotating rod are fixedly connected with a winding drum and a winding knob respectively, and a safety rope is connected to each winding drum in a winding mode;
the driving structure comprises a fixed block, a sliding rod, a sliding block, a fixed baffle, a scissor plate, a rotary connecting block, a second electric hydraulic rod and a sliding block connecting rod, two fixed baffles are fixedly connected on the upper surface of the fixed plate and the lower surface of the lifting platform, two sliding rods are fixedly connected between the two fixed baffles, one end of each sliding rod is fixedly connected with a fixed block, the other side of each sliding rod is slidably connected with a sliding block, the fixed blocks and the sliding blocks are both fixedly connected with rotating connecting blocks, a scissor plate is rotatably connected between the four rotating connecting blocks, a sliding block connecting rod is fixedly connected between the two sliding blocks, one end of a second electric hydraulic rod is fixedly connected to the center of the slide block connecting rod, and the other end of the second electric hydraulic rod is fixedly connected to the side wall of the fixed baffle;
the fixing structure comprises a sucker, a sucker connecting rod, a sucker fixing block, a first spring and a pressing plate, a sliding hole is formed in the central position of the sucker fixing block, the sucker connecting rod is connected in the sliding hole in a sliding mode, the upper end and the lower end of the sucker connecting rod are fixedly connected with the pressing plate and the sucker respectively, the lower surface of the pressing plate is fixedly connected with one end of the first spring, and the other end of the first spring is fixedly connected to the upper surface of the sucker fixing block.
Preferably, one end of each of the two safety ropes is respectively wound on the two winding drums, and a safety bundling belt is fixedly connected between the other ends of the two safety ropes.
Preferably, two equal fixedly connected with rectangle set casing on the lateral wall of rectangle connecting rod, sliding connection has the slider in the inner chamber of rectangle set casing, the one end of the spacing inserted bar of one end fixedly connected with of slider, the other end of spacing inserted bar runs through the inner chamber lateral wall of rectangle set casing and extends to outside the wall, the other end fixedly connected with one end of second spring of slider, the other end fixedly connected to inner chamber lateral wall department of rectangle set casing of second spring, the one end of fixedly connected with plectrum on the lateral wall of slider, the other end of plectrum runs through the inner chamber lateral wall of rectangle set casing and extends to outside the wall.
Preferably, the arc-shaped surface of the rotating rod is provided with spacing grooves with uniform intervals, the size of each spacing groove is the same as that of the corresponding spacing inserted bar, and one end of each spacing inserted bar extends into the corresponding spacing groove.
Preferably, threaded holes are formed in the side walls of the two rectangular sleeve rods, and threaded rod knobs are connected in the threaded holes in a threaded mode.
Preferably, the bottom plate is fixedly provided with four universal wheels, and the four universal wheels are respectively and fixedly arranged at four corners of the lower surface of the bottom plate.
Preferably, the number of the fixing structures is four, and every two fixing structures are respectively fixed on two side edges of the bottom plate.
Preferably, first electric hydraulic rods are fixedly mounted on two sides of the upper surface of the fixing plate, sleeve rods are fixedly connected to the top ends of the first electric hydraulic rods, and connecting rods are sleeved in inner cavities of the sleeve rods in a sliding mode.
Preferably, the longest length of the connection between the connecting rod and the loop bar is equal to the highest height that the lifting platform can lift.
Preferably, the four universal wheels are all universal wheels with brake devices.
The utility model has the advantages that:
1. this device is rational in infrastructure, goes up and down to the elevating platform through the drive structure, when drive structure damages, can play the effect of supporting and raising the elevating platform through two first electronic hydraulic stems, and the maintenance personal of being convenient for maintains drive structure, and first electronic hydraulic stem can play supplementary rising effect equally simultaneously, causes the sudden whereabouts of elevating platform when avoiding drive structure to damage, plays the effect of insurance.
2. This device can be comparatively convenient through bottom plate and universal wheel make this device carry out the short distance and remove, and the use is nimble, can be comparatively stable fix this device on operating position through fixed knot structure, avoid this device to cause the removal because of the collision, this device can play the guard action to the staff through safe binding area, the staff falls from the elevating platform when avoiding unexpected the emergence, the rolling through the safety rope is removed, the position of binding area is tied safely in adjustment that can be comparatively convenient, make the staff can adjust according to actual conditions at the during operation, and is suitable for being generalized to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic top view of a second electro-hydraulic rod of the present invention;
fig. 4 is the schematic diagram of the internal structure of the rectangular fixing shell of the present invention.
In the figure: 1. the device comprises a fixing plate, 2, a fixing block, 3, a bottom plate, 4, a sliding rod, 5, a sliding block, 6, a fixing baffle plate, 7, a sucker, 8, a sucker connecting rod, 9, a sucker fixing block, 10, a first spring, 11, a pressing plate, 12, a shearing fork plate, 13, a rotating connecting block, 14, a rectangular sleeve rod, 15, a rectangular connecting rod, 16, a safety binding belt, 17, a safety rope, 18, a winding drum, 19, a rotating rod, 20, a winding knob, 21, a rectangular fixing shell, 22, a threaded rod knob, 23, a lifting platform, 24, a connecting rod, 25, a sleeve rod, 26, a first electric hydraulic rod, 27, a universal wheel, 28, a second electric hydraulic rod, 29, a sliding block connecting rod, 30, a limiting insertion rod, 31, a shifting block, 32, a second spring, 33 and a sliding block.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-4, an easy-to-repair elevator includes a base plate 3, a fixing plate 1, a lifting platform 23, a fixing structure and a driving structure;
the upper surface of the bottom plate 3 is fixedly connected with a fixed plate 1, a driving structure is fixedly installed between the fixed plate 1 and the lifting platform 23, a fixed structure is fixedly installed on the side surface of the bottom plate 3, the side surface of the upper surface of the fixed plate 1 is fixedly connected with one end of a first electric hydraulic rod 26, the other end of the first electric hydraulic rod 26 is fixedly connected with a loop bar 25, one end of a connecting rod 24 is sleeved in an inner cavity of the loop bar 25 in a sliding mode, and the other end of the connecting rod 24 is fixedly connected to the lower surface of the lifting platform 23;
rectangular loop bars 14 are fixedly connected to two ends of the upper surface of the lifting table 23, one end of a rectangular connecting rod 15 is slidably sleeved in the inner cavity of each of the two rectangular loop bars 14, the other end of each of the two rectangular connecting rods 15 is rotatably connected with a rotating rod 19, two ends of the rotating rod 19 are respectively and fixedly connected with a winding drum 18 and a winding knob 20, and a safety rope 17 is wound and connected on the winding drum 18;
the driving structure comprises a fixed block 2, a slide rod 4, a slide block 5, a fixed baffle 6, a shear fork plate 12, a rotary connecting block 13, a second electric hydraulic rod 28 and a slide block connecting rod 29, two fixed baffles 6 are fixedly connected on the upper surface of the fixed plate 1 and the lower surface of the lifting platform 23, two sliding rods 4 are fixedly connected between the two fixed baffles 6, one end of each of the two sliding rods 4 is fixedly connected with a fixed block 2, the other side of each of the two sliding rods 4 is slidably connected with a sliding block 5, the fixed block 2 and the sliding blocks 5 are both fixedly connected with rotating connecting blocks 13, a scissor plate 12 is rotatably connected between the four rotating connecting blocks 13, a sliding block connecting rod 29 is fixedly connected between the two sliding blocks 5, one end of a second electro-hydraulic rod 28 is fixedly connected to the center position of the slider connecting rod 29, the other end of the second electro-hydraulic rod 28 is fixedly connected to the side wall of the fixed baffle 6;
the fixing structure comprises a sucker 7, a sucker connecting rod 8, a sucker fixing block 9, a first spring 10 and a pressing plate 11, a sliding hole is formed in the center of the sucker fixing block 9, the sucker connecting rod 8 is connected to the sliding hole in a sliding mode, the upper end and the lower end of the sucker connecting rod 8 are fixedly connected with the pressing plate 11 and the sucker 7 respectively, the lower surface of the pressing plate 11 is fixedly connected with one end of the first spring 10, and the other end of the first spring 10 is fixedly connected to the upper surface of the sucker fixing block 9.
One end of each of the two safety ropes 17 is respectively wound on the two winding drums 18, and a safety binding belt 16 is fixedly connected between the other ends of the two safety ropes 17; the side walls of the two rectangular connecting rods 15 are fixedly connected with a rectangular fixing shell 21, a sliding block 33 is connected in an inner cavity of the rectangular fixing shell 21 in a sliding manner, one end of the sliding block 33 is fixedly connected with one end of a limiting insertion rod 30, the other end of the limiting insertion rod 30 penetrates through the side wall of the inner cavity of the rectangular fixing shell 21 and extends out of the wall, the other end of the sliding block 33 is fixedly connected with one end of a second spring 32, the other end of the second spring 32 is fixedly connected to the side wall of the inner cavity of the rectangular fixing shell 21, one end of a shifting piece 31 is fixedly connected to the side wall of the sliding block 33, and the other end of the shifting piece 31 penetrates through the side wall of the inner cavity of the rectangular fixing shell; limiting grooves with uniform intervals are formed in the arc-shaped surface of the rotating rod 19, the size of each limiting groove is the same as that of the limiting insertion rod 30, and one end of each limiting insertion rod 30 extends into each limiting groove; threaded holes are formed in the side walls of the two rectangular sleeve rods 14, and threaded rod knobs 22 are connected in the threaded holes in a threaded mode; the bottom plate 3 is fixedly provided with four universal wheels 27, and the four universal wheels 27 are respectively and fixedly arranged at four corners of the lower surface of the bottom plate 3; the number of the fixed structures is four, and every two fixed structures are respectively fixed on two side edges of the bottom plate 3; first electric hydraulic rods 26 are fixedly mounted on two sides of the upper surface of the fixing plate 1, loop rods 25 are fixedly connected to the top ends of the two first electric hydraulic rods 26, and connecting rods 24 are slidably sleeved in the inner cavities of the two loop rods 25; the longest length of the connection between the connecting rod 24 and the loop bar 25 is equal to the highest height of the lifting platform 23; the four universal wheels 27 are all universal wheels 27 with brake devices.
When the utility model is used, firstly, the device is moved to a corresponding working position through the universal wheel 27, then the universal wheel 27 is braked through the self brake device, then the press plate 11 of the fixed structure is stepped down by the staff, the press plate 11 drives the sucker 7 to adsorb the ground, the four suckers 7 on the two sides of the bottom plate 3 adsorb the ground simultaneously, the fixing effect is good and stable, then the staff moves to the lifting platform 23 to fix and bind the safety binding belt 16 on the body, the lower plectrum 31 of the staff can be used to move the limit inserted rod 30 out of the limit groove of the rotating rod 19 by pressing the plectrum 31, then the rolling knob 20 is rotated, the length of the safety ropes 17 on the two sides is adjusted through the movement of the rolling knob 20, so that the safety binding belt 16 moves, and can be adjusted according to the self condition of the staff, after the adjustment is finished, the plectrum 31 is loosened, the limit inserted rod 30 is inserted back into the limit groove through the rebound action of the second spring 32, the length of the safety rope 17 is fixed, meanwhile, the sleeving length of the rectangular connecting rod 15 and the rectangular sleeved rod 14 is adjusted by rotating the threaded rod knob 22, the height adjustment of the safety bundling belt 16 is realized, after the safety bundling belt 16 is fixed and adjusted by a worker, the second electro-hydraulic rod 28 is started, the two sliding blocks 5 are driven to move through the second electro-hydraulic rod 28, the shearing fork plate 12 is driven to carry out shearing operation through the movement of the two sliding blocks 5, so that the lifting platform 23 is lifted, when the driving structure is in failure, the lifting platform 23 can be effectively prevented from descending too long distance through the supporting action of the two first electro-hydraulic rods 26 and the sleeved rod 25, through the extension of the two first electro-hydraulic rods 26, can carry out the lifting with elevating platform 23, can make things convenient for maintenance personal to maintain the drive structure, do not need other lifting devices, can maintain convenient to use anytime and anywhere.
The first electro-hydraulic rod 26 is an electro-hydraulic rod of DDTG02 model manufactured by Zhongzi hydraulic complete equipment factories in Gaoye city and a related matched power supply and circuit thereof.
The second electro-hydraulic rod 28 is an electro-hydraulic rod of DDTG02 model manufactured by the department hydraulic complete equipment factories in Gaoyou, and a related matched power supply and circuit thereof.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides a lift convenient to overhaul which characterized in that: comprises a bottom plate (3), a fixed plate (1), a lifting platform (23), a fixed structure and a driving structure;
the upper surface of the bottom plate (3) is fixedly connected with a fixed plate (1), a driving structure is fixedly installed between the fixed plate (1) and the lifting platform (23), a fixed structure is fixedly installed on the side surface of the bottom plate (3), one end of a first electric hydraulic rod (26) is fixedly connected to the side surface of the upper surface of the fixed plate (1), the other end of the first electric hydraulic rod (26) is fixedly connected with a loop bar (25), one end of a connecting rod (24) is sleeved in an inner cavity of the loop bar (25) in a sliding mode, and the other end of the connecting rod (24) is fixedly connected to the lower surface of the lifting platform (23);
rectangular loop bars (14) are fixedly connected to two ends of the upper surface of the lifting platform (23), one ends of rectangular connecting rods (15) are sleeved in inner cavities of the two rectangular loop bars (14) in a sliding mode, the other ends of the two rectangular connecting rods (15) are rotatably connected with rotating rods (19), two ends of each rotating rod (19) are fixedly connected with a winding drum (18) and a winding knob (20) respectively, and safety ropes (17) are connected to the winding drums (18) in a winding mode;
the driving structure comprises fixed blocks (2), sliding rods (4), sliding blocks (5), fixed baffle plates (6), scissor plates (12), rotating connecting blocks (13), second electric hydraulic rods (28) and sliding block connecting rods (29), wherein the upper surface of the fixed plate (1) and the lower surface of the lifting platform (23) are fixedly connected with two fixed baffle plates (6), two sliding rods (4) are fixedly connected between the two fixed baffle plates (6), one ends of the two sliding rods (4) are fixedly connected with the fixed blocks (2), the other sides of the two sliding rods (4) are slidably connected with the sliding blocks (5), the fixed blocks (2) and the sliding blocks (5) are fixedly connected with the rotating connecting blocks (13), the scissor plates (12) are rotatably connected between the four rotating connecting blocks (13), and the sliding block connecting rods (29) are fixedly connected between the two sliding blocks (5), one end of a second electric hydraulic rod (28) is fixedly connected to the center of the sliding block connecting rod (29), and the other end of the second electric hydraulic rod (28) is fixedly connected to the side wall of the fixed baffle (6);
the fixing structure comprises a sucker (7), a sucker connecting rod (8), a sucker fixing block (9), a first spring (10) and a pressing plate (11), a sliding hole is formed in the central position of the sucker fixing block (9), the sucker connecting rod (8) is connected in the sliding hole in a sliding mode, the upper end and the lower end of the sucker connecting rod (8) are fixedly connected with the pressing plate (11) and the sucker (7) respectively, the lower surface of the pressing plate (11) is fixedly connected with one end of the first spring (10), and the other end of the first spring (10) is fixedly connected to the upper surface of the sucker fixing block (9).
2. An easily accessible elevator as defined in claim 1, wherein: one end of each of the two safety ropes (17) is respectively wound on the two winding drums (18), and a safety binding belt (16) is fixedly connected between the other ends of the two safety ropes (17).
3. An easily accessible elevator as defined in claim 1, wherein: two equal fixedly connected with rectangle set casing (21) on the lateral wall of rectangle connecting rod (15), sliding connection has slider (33) in the inner chamber of rectangle set casing (21), the one end of the spacing inserted bar (30) of one end fixedly connected with of slider (33), the other end of spacing inserted bar (30) runs through the inner chamber lateral wall of rectangle set casing (21) and extends to outside the wall, the one end of the other end fixedly connected with second spring (32) of slider (33), the other end fixed connection of second spring (32) is located to the inner chamber lateral wall of rectangle set casing (21), the one end of fixedly connected with plectrum (31) on the lateral wall of slider (33), the other end of plectrum (31) runs through the inner chamber lateral wall of rectangle set casing (21) and extends to outside the wall.
4. An easily accessible elevator as defined in claim 1, wherein: the arc-shaped surface of the rotating rod (19) is provided with a limiting groove with uniform intervals, the size of the limiting groove is the same as that of the limiting inserted rod (30), and one end of the limiting inserted rod (30) extends into the limiting groove.
5. An easily accessible elevator as defined in claim 1, wherein: threaded holes are formed in the side walls of the two rectangular sleeve rods (14), and threaded rod knobs (22) are connected in the threaded holes in a threaded mode.
6. An easily accessible elevator as defined in claim 1, wherein: the universal wheels (27) are fixedly mounted on the bottom plate (3), and the number of the universal wheels (27) is four, and the universal wheels are respectively and fixedly mounted at four corners of the lower surface of the bottom plate (3).
7. An easily accessible elevator as defined in claim 1, wherein: the number of the fixing structures is four, and every two fixing structures are fixed on two side edges of the bottom plate (3) respectively.
8. An easily accessible elevator as defined in claim 1, wherein: the equal fixed mounting in upper surface both sides of fixed plate (1) has first electronic hydraulic stem (26), two the equal fixedly connected with loop bar (25) in top of first electronic hydraulic stem (26), two all slip in the inner chamber of loop bar (25) and cup jointed connecting rod (24).
9. An easily accessible elevator as defined in claim 1, wherein: the longest length of the connection between the connecting rod (24) and the loop bar (25) is equal to the highest height of the lifting platform (23).
10. An easily accessible elevator as defined in claim 6, wherein: the four universal wheels (27) are all universal wheels (27) with brake devices.
CN201922454550.1U 2019-12-30 2019-12-30 Elevator convenient to overhaul Active CN211545806U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922454550.1U CN211545806U (en) 2019-12-30 2019-12-30 Elevator convenient to overhaul

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922454550.1U CN211545806U (en) 2019-12-30 2019-12-30 Elevator convenient to overhaul

Publications (1)

Publication Number Publication Date
CN211545806U true CN211545806U (en) 2020-09-22

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Application Number Title Priority Date Filing Date
CN201922454550.1U Active CN211545806U (en) 2019-12-30 2019-12-30 Elevator convenient to overhaul

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112520652A (en) * 2020-10-29 2021-03-19 和进(滁州)自动化科技有限公司 Elevator with tool tray
CN113800105A (en) * 2021-09-06 2021-12-17 上海外高桥造船海洋工程有限公司 Pneumatic self-service dispensing device for whole-box filling box-packed welding wires
CN114156765A (en) * 2021-11-12 2022-03-08 国网河南省电力公司宜阳县供电公司 Portable distribution lines hoisting apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112520652A (en) * 2020-10-29 2021-03-19 和进(滁州)自动化科技有限公司 Elevator with tool tray
CN113800105A (en) * 2021-09-06 2021-12-17 上海外高桥造船海洋工程有限公司 Pneumatic self-service dispensing device for whole-box filling box-packed welding wires
CN114156765A (en) * 2021-11-12 2022-03-08 国网河南省电力公司宜阳县供电公司 Portable distribution lines hoisting apparatus
CN114156765B (en) * 2021-11-12 2023-10-13 国网河南省电力公司宜阳县供电公司 Portable distribution line lifting device

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