CN115402388B - Multifunctional power-assisted gas cylinder carrier - Google Patents
Multifunctional power-assisted gas cylinder carrier Download PDFInfo
- Publication number
- CN115402388B CN115402388B CN202211184642.2A CN202211184642A CN115402388B CN 115402388 B CN115402388 B CN 115402388B CN 202211184642 A CN202211184642 A CN 202211184642A CN 115402388 B CN115402388 B CN 115402388B
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- CN
- China
- Prior art keywords
- vehicle body
- supporting wheel
- wheel frame
- groove
- gas cylinder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000009194 climbing Effects 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 abstract description 7
- 230000001960 triggered effect Effects 0.000 abstract description 4
- 230000008092 positive effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 35
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0003—Adaptations for loading in or on a vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/02—Accessories or details specially adapted for hand carts providing for travelling up or down a flight of stairs
- B62B5/026—Accessories or details specially adapted for hand carts providing for travelling up or down a flight of stairs with spiders or adapted wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2202/00—Indexing codes relating to type or characteristics of transported articles
- B62B2202/02—Cylindrically-shaped articles, e.g. drums, barrels, flasks
- B62B2202/022—Gas bottles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2301/00—Wheel arrangements; Steering; Stability; Wheel suspension
- B62B2301/25—Wheel arrangements; Steering; Stability; Wheel suspension characterised by the ground engaging elements, e.g. wheel type
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The multifunctional power-assisted gas cylinder carrier comprises a vehicle body, wherein a base which is vertically arranged is arranged at the bottom of the vehicle body, and a handle is arranged at the upper part of the vehicle body. The invention has the positive effects that: according to the multifunctional power-assisted gas cylinder carrier, the rotatable supporting wheel frame is further arranged on the lower side of the vehicle body, the supporting wheel frame can rotate to be close to the vehicle body for storage, meanwhile, the supporting wheel frame can also rotate to the position of the limiting plate, the supporting wheel is in contact with the ground, different proximity switches are triggered through the positions of the supporting wheel frame, so that the rotation start and stop of the supporting wheel and the tripod are controlled, the gas cylinder carrier can automatically assist in the moving process, and two working modes of translation assistance and climbing assistance can be automatically switched according to actual needs by adjusting the self positions of the supporting wheel frame, so that the gas cylinder carrier can adapt to complex road environments, the labor intensity of operators is reduced, and the gas cylinder carrier working efficiency is effectively improved.
Description
Technical Field
The invention relates to the technical field of weight carrying tools, in particular to a multifunctional power-assisted gas cylinder carrying vehicle.
Background
As the transformer substation of key position in the electric wire netting safe operation, the high-voltage equipment of its configuration mostly uses SF6 gas as insulating medium, equipment such as breaker, current transformer etc. in GIS equipment, HGIS equipment and the open-type equipment, and inflatable high-voltage equipment has the risk of natural gas leakage and trouble gas leakage in the operation in-process, when the equipment is leaked and is not in time supplemented gas after, when the internal gas pressure of equipment falls to certain numerical value, inflatable high-voltage equipment insulating performance reduces, can take place serious accidents such as high-voltage equipment short circuit or ground connection, cause equipment large tracts of land to cut out, still can lead to the electric wire netting to vibrate serious. Therefore, the high-voltage equipment inflating work becomes a daily work of electric power staff, however, the existing gas cylinder carrier is simple in structure, lacks booster unit, can also carry out complicated conditions such as stair climbing in the carrying process, and the carrying of the inflating bottle is time-consuming and laborious, has seriously reduced electric power staff's work efficiency.
Disclosure of Invention
The invention aims to provide a multifunctional power-assisted gas cylinder carrier, wherein a rotatable tripod and a climbing wheel are arranged at the bottom of a vehicle body for placing a gas cylinder, a rotatable supporting wheel frame is also arranged at the lower side of the vehicle body, power assistance in the moving process is realized through the supporting wheel and the climbing wheel, and two working modes of translational power assistance and climbing power assistance are switched according to actual needs. Solves the problems in the prior art.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a multifunctional power-assisted gas cylinder carrier, which comprises a vehicle body, wherein a base which is vertically arranged is arranged at the bottom of the vehicle body, a handle is arranged at the upper part of the vehicle body, climbing motors are arranged at the two ends of the lower side of the bottom of the vehicle body, a triangular bracket is arranged on an output shaft of each climbing motor, climbing wheels are arranged at the ends of each bracket of the triangular bracket, a rotatable supporting wheel frame is further arranged at the lower side of the vehicle body, the upper part of the supporting wheel frame is hinged to the vehicle body, the bottom of the supporting wheel frame is provided with the supporting wheels, an electric push rod is further hinged between the supporting wheel frame and the vehicle body, the electric push rod can drive the supporting wheel frame to rotate towards the vehicle body, a limiting plate is arranged at the bottom of the vehicle body which is close to the supporting wheel frame, a first proximity switch is arranged on the limiting plate, the first proximity switch can control the supporting wheels to rotate, a second proximity switch is further arranged at the bottom of the vehicle body, the second proximity switch can control the triangular bracket to rotate, the supporting wheel frame can trigger the first proximity switch to rotate when the supporting wheel frame rotates to the limiting plate, the supporting wheel frame can trigger the supporting wheels to rotate, the second proximity switch can drive the triangular bracket to rotate, and a power supply and a control mechanism to the climbing motor to the control the supporting wheels to rotate towards the vehicle body. The middle position of the supporting wheel frame is provided with a bump, a piston rod of the electric push rod is hinged to the bump, a groove matched with the bump is formed in the vehicle body, the bump can enter the groove when the supporting wheel frame rotates to be close to the vehicle body, a first guide groove communicated with the groove is formed in the vehicle body, a moving rod is installed in the first guide groove, a limiting bulge matched with the first guide groove is arranged on the moving rod, one end of the moving rod, which is close to the groove, is provided with an inclined surface, a spring is installed on the periphery of the moving rod, which is far away from one side of the groove, of the limiting bulge, the spring always has a trend of pushing the inclined surface to enter the groove, an indicating rod is further installed on the moving rod, a first avoiding groove matched with the indicating rod is formed in the vehicle body, the indicating rod extends out of the vehicle body through the first avoiding groove, a second proximity switch is installed at the bottom of the vehicle body on one side of the first avoiding groove, and the inclined surface can be pushed to move the moving rod to overcome the elastic force of the spring when the bump rotates to enter the groove, so that the indicating rod moves to be close to the second proximity switch to trigger the second proximity switch. The automobile body is interior to be seted up the second guide way that is linked together with first guide way, the diameter of second guide way is less than the diameter of first guide way, the carriage release lever stretches into the second guide way, install T type piece on supporting the wheel carrier, the automobile body bottom is seted up and is dodged the groove with T type piece matched with second, the second dodges the groove and is linked together with the second guide way, the picture peg is installed to the bottom of carriage release lever, when supporting the wheel carrier and rotating and be close to the automobile body, the carriage release lever drives the picture peg and moves down and can carry out spacing with the T type piece in the groove is dodged to the second. Both sides of automobile body all are equipped with gas cylinder matched with arc limiting platform, offer on the base with gas cylinder matched with circular sunken, the fixed band is installed on the upper portion of automobile body.
The invention has the positive effects that: the multifunctional power-assisted gas cylinder carrier comprises a vehicle body and a base, wherein a rotatable tripod and a climbing wheel are arranged at the bottom of the vehicle body, the whole device can be assisted to climb stairs under the rotation of the tripod, a rotatable supporting wheel frame is further arranged at the lower side of the vehicle body, the supporting wheel frame can rotate to be close to the vehicle body for storage and can rotate to the position of a limiting plate, the supporting wheel is contacted with the ground, different proximity switches are triggered through the position of the supporting wheel frame, so that the rotation start and stop of the supporting wheel and the tripod are controlled, the automatic power assistance of the gas cylinder carrier in the moving process is realized, and two working modes of translational power assistance and climbing power assistance can be automatically switched according to actual needs by adjusting the self position of the supporting wheel frame, so that the gas cylinder carrier can adapt to complex road environments, the labor intensity of operators is reduced, and the gas cylinder carrier working efficiency is effectively improved.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view of the view A in FIG. 2;
FIG. 4 is an enlarged view of the B-B cross-sectional view of FIG. 2;
FIG. 5 is an enlarged view of a portion of I in FIG. 2;
FIG. 6 is a schematic view showing the rotation of the projection into the recess;
fig. 7 is an enlarged view of the cross-sectional view taken along line C-C in fig. 6.
Detailed Description
The invention relates to a multifunctional power-assisted gas cylinder carrier, which is shown in fig. 1 and 2, and comprises a vehicle body 1, wherein a base 2 which is vertically arranged is arranged at the bottom of the vehicle body 1, gas cylinders for inflation can be placed on the base 2 and the vehicle body 1, a handle 3 is arranged at the upper part of the vehicle body 1, and an operator can drive the gas cylinders to transfer by pulling the handle 3.
For realizing the helping hand when gas cylinder carrier removes, as shown in fig. 3, climbing motor 4 is all installed at the both ends of automobile body 1 bottom downside, installs tripod 5 on the output shaft of climbing motor 4, and climbing wheel 6 is all installed to each support tip of tripod 5, and climbing motor 4 starts and drives tripod 5 and rotate, can let climbing wheel 6 rotate on the stair and rise to realize the helping hand of gas cylinder carrier when stair climbing.
In order to realize the support and the assistance of the gas cylinder carrier in translation, a rotatable support wheel frame 7 is further arranged on the lower side of the vehicle body 1, the upper part of the support wheel frame 7 is hinged on the vehicle body 1, and a support wheel 8 is arranged at the bottom of the support wheel frame 7, wherein the support wheel 8 can be driven by an existing electric vehicle motor. In order to adjust the position of the supporting wheel frame 7 and realize the switching of the gas cylinder carrier between two states of translation and climbing, an electric push rod 9 is also hinged between the supporting wheel frame 7 and the vehicle body 1, and the electric push rod 9 can drive the supporting wheel frame 7 to rotate towards the vehicle body 1.
As shown in fig. 4, a limiting plate 10 is mounted at the bottom of the vehicle body 1 near the supporting wheel frame 7, and the electric push rod 9 can push the supporting wheel frame 7 to rotate until contacting with the limiting plate 10, and at the moment, the supporting wheel 8 at the bottom of the supporting wheel frame 7 contacts with the ground at the rotation limit position. The limiting plate 10 is provided with a first proximity switch 11, the first proximity switch 11 can control the supporting wheel 8 to rotate, when the supporting wheel frame 7 rotates to be in contact with the limiting plate 10, the first proximity switch 11 is triggered, and the supporting wheel 8 rotates to provide assistance for translation of the gas cylinder carrier.
In order to avoid interference between the support wheel frame 7 and the stairs when the gas cylinder carrier climbs the stairs, the support wheel frame 7 needs to be rotated to be stored close to the vehicle body 1. The bottom of the car body 1 is also provided with a second proximity switch 12, the second proximity switch 12 can control the tripod 5 to rotate, the support wheel carrier 7 can trigger the second proximity switch 12 to drive the tripod 5 to drive the climbing wheel 6 to rotate when rotating to be close to the car body 1, the climbing wheel is an assisting force in a climbing mode at the moment, and the support wheel carrier 7 rotates to be close to the car body 1, so that interference can not be generated to climbing of the gas cylinder carrier.
In order to realize the action control and power supply of each device on the gas cylinder carrier, a power supply 13 and a control mechanism 14 are also arranged on the vehicle body 1, and the control mechanism 14 is connected with the climbing motor 4, the supporting wheel 8, the electric push rod 9, the first proximity switch 11 and the second proximity switch 12 through control.
In order to ensure that the second proximity switch 12 can be triggered and does not interfere with the vehicle body 1 when the supporting wheel frame 7 rotates to be close to the vehicle body 1, a protruding block 15 is arranged in the middle of the supporting wheel frame 7 as shown in fig. 4, a piston rod of the electric push rod 9 is hinged to the protruding block 15, a groove 16 matched with the protruding block 15 is formed in the vehicle body 1 as shown in fig. 5, and the protruding block 15 can enter the groove 16 when the supporting wheel frame 7 rotates to be close to the vehicle body 1.
The automobile body 1 is further provided with a first guide groove 17 communicated with the groove 16, a movable rod 18 is installed in the first guide groove 17, a limit protrusion 19 matched with the first guide groove 17 is arranged on the movable rod 18, one end, close to the groove 16, of the movable rod 18 is provided with an inclined surface 20, a spring 21 is installed on the periphery of the movable rod 18, far away from one side of the groove 16, of the limit protrusion 19, and the spring 21 always has a trend of pushing the inclined surface 20 to enter the groove 16. As shown in fig. 6, when the projection 15 is rotated into the recess 16, the inclined surface 20 can be pushed to move the moving rod 18 against the elastic force of the spring 21.
The movable rod 18 is also provided with an indication rod 22, the vehicle body 1 is provided with a first avoidance groove 23 matched with the indication rod 22, the indication rod 22 extends out of the vehicle body 1 through the first avoidance groove 23, and the bottom of the vehicle body 1 at one side of the first avoidance groove 23 is provided with a second proximity switch 12.
When the support wheel frame 7 is not rotated to be close to the vehicle body 1, that is, the protruding block 15 is not inserted into the groove 16, one end of the inclined surface 20 of the moving rod 18 is positioned in the groove 16 under the action of the spring 21, the indicating rod 22 is far away from the second proximity switch 12, once the protruding block 15 is rotated to be inserted into the groove 16, the inclined surface 20 is pushed to enable the moving rod 18 to move against the elastic force of the spring 21, the indicating rod 22 on the moving rod 18 synchronously moves downwards to be close to the second proximity switch 12 to trigger the second proximity switch, and the tripod 5 is rotated to provide necessary assistance for climbing of the gas cylinder carrier.
In order to relatively position the support wheel frame 7 on the vehicle body 1 when the support wheel frame 7 rotates to be close to the vehicle body 1, interference caused by separation of the support wheel frame 7 from the vehicle body 1 in the climbing process of the gas cylinder carrier is avoided, a second guide groove 24 communicated with the first guide groove 17 is formed in the vehicle body 1, the diameter of the second guide groove 24 is smaller than that of the first guide groove 17, and the moving rod 18 extends into the second guide groove 24.
The T-shaped block 25 is arranged on the supporting wheel frame 7, a second avoiding groove 26 matched with the T-shaped block 25 is formed in the bottom of the vehicle body 1, and the second avoiding groove 26 is positioned at the lower part of the second guide groove 24 and communicated with the second guide groove. The bottom of the movable rod 18 is provided with the plugboard 27, the plugboard 27 can extend into the second avoidance groove 26, as shown in fig. 6 and 7, when the supporting wheel frame 7 rotates to be close to the vehicle body 1, the movable rod 18 drives the plugboard 27 to move downwards to limit the T-shaped block 25 in the second avoidance groove 26, so that the supporting wheel frame 7 is prevented from being separated from the vehicle body 1 when the gas cylinder carrier climbs stairs.
Further, in order to enable the gas cylinder to be placed on the vehicle body 1 more firmly, arc limiting tables 28 matched with the gas cylinder are arranged on two sides of the vehicle body 1, circular recesses 29 matched with the gas cylinder are formed in the base 2, fixing belts 30 are arranged on the upper portion of the vehicle body 1, necessary limiting positions are formed on two sides, the bottom and the top of the gas cylinder respectively, and the situation that the gas cylinder is separated from the vehicle body 1 in the moving process is avoided.
The technical scheme of the invention is not limited to the scope of the embodiments of the invention. The technical content that is not described in detail in the invention is known in the prior art.
Claims (3)
1. The utility model provides a multi-functional helping hand formula gas cylinder carrier which characterized in that: the novel climbing device comprises a vehicle body (1), a base (2) which is vertically arranged is arranged at the bottom of the vehicle body (1), a handle (3) is arranged at the upper part of the vehicle body (1), climbing motors (4) are arranged at two ends of the lower side of the bottom of the vehicle body (1), a triangular bracket (5) is arranged on an output shaft of each climbing motor (4), climbing wheels (6) are arranged at the end parts of the brackets of the triangular brackets (5), a rotatable supporting wheel frame (7) is further arranged at the lower side of the vehicle body (1), the upper part of the supporting wheel frame (7) is hinged to the vehicle body (1), a supporting wheel (8) is arranged at the bottom of the supporting wheel frame (7), an electric push rod (9) is hinged to the supporting wheel frame (7) and is further arranged between the supporting wheel frame (7) and the vehicle body (1), the electric push rod (9) can drive the supporting wheel frame (7) to rotate towards the vehicle body (1), a limiting plate (10) is arranged at the bottom of the vehicle body (1) which is close to the supporting wheel frame (7), a first proximity switch (11) is arranged on the limiting plate (10), the first proximity switch (11) can control the supporting wheel (8) to rotate, the bottom of the vehicle body (1) is further provided with a second proximity switch (12), the supporting wheel frame (7) can trigger the first proximity switch (11) to enable the supporting wheel (8) to rotate when rotating to the position of the limiting plate (10), the supporting wheel frame (7) can trigger the second proximity switch (12) to enable the tripod (5) to drive the climbing wheel (6) to rotate when rotating to be close to the vehicle body (1), a power supply (13) and a control mechanism (14) are further arranged on the vehicle body (1), and the control mechanism (14) is connected with the climbing motor (4), the supporting wheel (8), the electric push rod (9), the first proximity switch (11) and the second proximity switch (12);
the middle position of the supporting wheel frame (7) is provided with a convex block (15), a piston rod of the electric push rod (9) is hinged to the convex block (15), a groove (16) matched with the convex block (15) is formed in the vehicle body (1), when the supporting wheel frame (7) rotates to be close to the vehicle body (1), the convex block (15) can enter the groove (16), a first guide groove (17) communicated with the groove (16) is formed in the vehicle body (1), a movable rod (18) is mounted in the first guide groove (17), a limit bulge (19) matched with the first guide groove (17) is formed in the movable rod (18), the limit bulge (19) is located in the groove (16), an inclined surface (20) is formed at one end, close to the groove (16), of the movable rod (18), on one side, of the groove (16), of the periphery of the movable rod (18) is provided with a spring (21), the trend of pushing the inclined surface (20) to enter the groove (16), an indication rod (22) is mounted on the movable rod (18), the vehicle body (1) is provided with a first indication rod (23) which is matched with the first indication rod (23) to be led out of the vehicle body (1), the second proximity switch (12) is arranged at the bottom of the vehicle body (1) at one side of the first avoidance groove (23), and when the convex block (15) rotates to enter the groove (16), the inclined surface (20) can be pushed to enable the moving rod (18) to overcome the elastic force of the spring (21) to move, so that the indicating rod (22) moves to be close to the second proximity switch (12) to trigger the second proximity switch.
2. The multifunctional booster-type gas cylinder carrier as defined in claim 1, wherein: the automobile body (1) is internally provided with a second guide groove (24) communicated with the first guide groove (17), the diameter of the second guide groove (24) is smaller than that of the first guide groove (17), the movable rod (18) stretches into the second guide groove (24), the supporting wheel frame (7) is provided with a T-shaped block (25), the bottom of the automobile body (1) is provided with a second avoidance groove (26) matched with the T-shaped block (25), the second avoidance groove (26) is communicated with the second guide groove (24), the bottom of the movable rod (18) is provided with a plugboard (27), and when the supporting wheel frame (7) rotates to be close to the automobile body (1), the movable rod (18) drives the plugboard (27) to move downwards to limit the T-shaped block (25) in the second avoidance groove (26).
3. The multifunctional booster-type gas cylinder carrier as defined in claim 1, wherein: both sides of the car body (1) are provided with arc limiting tables (28) matched with the gas cylinders, round pits (29) matched with the gas cylinders are formed in the base (2), and a fixing belt (30) is arranged on the upper portion of the car body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211184642.2A CN115402388B (en) | 2022-09-27 | 2022-09-27 | Multifunctional power-assisted gas cylinder carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211184642.2A CN115402388B (en) | 2022-09-27 | 2022-09-27 | Multifunctional power-assisted gas cylinder carrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115402388A CN115402388A (en) | 2022-11-29 |
| CN115402388B true CN115402388B (en) | 2024-01-19 |
Family
ID=84168126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211184642.2A Active CN115402388B (en) | 2022-09-27 | 2022-09-27 | Multifunctional power-assisted gas cylinder carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115402388B (en) |
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| CN215944669U (en) * | 2021-10-19 | 2022-03-04 | 金鼎重工有限公司 | Labor-saving push-pull dual-purpose stair climbing vehicle |
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| US20100021275A1 (en) * | 2008-07-24 | 2010-01-28 | Ratermann George W | Dual cylinder cart |
| US20210114646A1 (en) * | 2019-10-17 | 2021-04-22 | Tadao Hashimoto | Suitcase and hand truck for ascending and descending stairs |
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| JPH0848252A (en) * | 1994-08-04 | 1996-02-20 | Otec Japan:Kk | Cart |
| JP2002178930A (en) * | 2000-05-15 | 2002-06-26 | Anayama Create:Kk | Carrier capable of traveling on stairway |
| CN101622169A (en) * | 2007-02-12 | 2010-01-06 | 斯甘有限责任公司 | Stair-climbing wheeled vehicle |
| JP2008273231A (en) * | 2007-04-25 | 2008-11-13 | Ryobi Ltd | Conveying vehicle also used for descending stairs |
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| CN203864737U (en) * | 2014-05-14 | 2014-10-08 | 浙江省海洋水产研究所 | Nitrogen gas cylinder transporting, loading and unloading trolley |
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| CN107433968A (en) * | 2016-05-27 | 2017-12-05 | 哈尔滨小神童科技开发有限责任公司 | Electronic loading climbing machine |
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| CN211336135U (en) * | 2019-11-12 | 2020-08-25 | 济南德邦物流有限公司 | Self-adaptive mechanical power-assisted stair climbing trolley |
| CN211809705U (en) * | 2019-12-05 | 2020-10-30 | 河钢股份有限公司承德分公司 | Industrial gas cylinder transport trolley |
| CN111232030A (en) * | 2020-04-10 | 2020-06-05 | 辽宁科技大学 | Multifunctional shopping cart for stair climbing under assistance of storage battery |
| CN215944669U (en) * | 2021-10-19 | 2022-03-04 | 金鼎重工有限公司 | Labor-saving push-pull dual-purpose stair climbing vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115402388A (en) | 2022-11-29 |
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