CN113306619B - Operation and maintenance trolley for transformer substation - Google Patents
Operation and maintenance trolley for transformer substation Download PDFInfo
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- CN113306619B CN113306619B CN202110608533.8A CN202110608533A CN113306619B CN 113306619 B CN113306619 B CN 113306619B CN 202110608533 A CN202110608533 A CN 202110608533A CN 113306619 B CN113306619 B CN 113306619B
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- 238000012423 maintenance Methods 0.000 title claims abstract description 39
- 230000009471 action Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007373 indentation Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- 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
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H5/00—Tool, instrument or work supports or storage means used in association with vehicles; Workers' supports, e.g. mechanics' creepers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
- B60B33/045—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted resiliently, by means of dampers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
- B60B33/06—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted retractably
- B60B33/063—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted retractably by linear movement parallel to swivel axis
-
- 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
-
- 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
- B62B5/0006—Bumpers; Safety devices
- B62B5/0009—Stops for moving parts, e.g. rubber elements to eliminate stop noise
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Handcart (AREA)
Abstract
The invention discloses an operation and maintenance trolley for a transformer substation, which comprises: one end of the bottom of the base is provided with a gap, a first supporting block is connected in the gap in a sliding manner, and the other end of the bottom of the base is fixedly provided with a second supporting block; a connecting rod is fixed on the first supporting block and penetrates through the gap; one end that is close to the walking wheel at the base downside sets up the flexible first supporting shoe of slidable, when inclining the operation to fortune dimension dolly, through the operating handle, make the telescopic supporting shoe that sets up to base inner space indentation, fortune dimension dolly is automatic to walking wheel direction slope, fortune dimension dolly inclines behind the certain angle, the walking wheel contacts with ground, at this moment, the staff can implement further transport work to fortune dimension dolly, and simultaneously, can loosen the handle after fortune dimension dolly inclines, avoid the too much action of staff's hand.
Description
Technical Field
The invention belongs to the technical field of transformer substation operation and maintenance, and particularly relates to an operation and maintenance trolley for a transformer substation.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
When carrying out fortune dimension during operation such as power failure, power transmission to the transformer substation, the staff need carry fortune dimension instrument to waiting before the operating device in the instrument room, when fortune dimension to the transformer substation, needs the staff to carry more instrument to the instrument room distance is treated and is had the certain distance between the operating device, and more fortune dimension instrument need be carried to single fortune dimension, and the mode of carrying the work alone by staff handheld mode or with the help of the saddlebag can not satisfy the requirement of carrying the more fortune dimension instrument of a quantity.
In actual work, when an operator carries out operation and maintenance work such as power failure, power transmission and the like on a transformer substation, an operation and maintenance tool is placed in a tool box, the tool box is conveyed to a device to be operated by virtue of an operation and maintenance trolley, and in the existing operation and maintenance trolley for the transformer substation, 4 traveling wheels are arranged on the lower side of a base of the operation and maintenance trolley, so that the operation difficulty is high, and the operation and maintenance trolley cannot be well adapted to environments with uneven road surfaces and steps; the other way is that the travelling wheels are arranged on the side surface of the base, when the tool is conveyed, the trolley is inclined by a single person through the handle, so that the travelling wheels arranged on the side surface work, the operation is simple in the mode, and the operation and maintenance tool can be conveyed in an environment with uneven road surface or steps; the inventor finds that the walking wheels are arranged on the side face of the base, when an operator inclines the whole operation and maintenance trolley to the walking wheels, the trolley cannot be easily inclined due to the fact that the weight of an operation and maintenance tool in a tool box is large, and the lower supporting part of the base, which is close to the walking wheel side in the process of inclining the trolley, is easy to contact with the ground, slips and the like, so that normal operation and walking of the operation and maintenance trolley are affected.
Disclosure of Invention
The invention provides an operation and maintenance trolley for a transformer substation, wherein a telescopic supporting block is arranged at one end, close to a travelling wheel, of the lower side of a base, when the operation and maintenance trolley is inclined, the telescopic supporting block is retracted towards an inner gap of the base through an operation handle, the operation and maintenance trolley automatically inclines towards the travelling wheel, the travelling wheel is in contact with the ground after the operation and maintenance trolley inclines for a certain angle, at the moment, a worker can further transport the operation and maintenance trolley, and simultaneously, the handle can be released after the operation and maintenance trolley inclines, so that excessive actions of the hands of the worker are avoided.
In order to achieve the purpose, the technical scheme of the invention is an operation and maintenance trolley for a transformer substation, and the invention adopts the following technical scheme:
an operation and maintenance trolley for a substation, comprising:
one end of the bottom of the base is provided with a gap, a first supporting block is connected in the gap in a sliding mode, and the other end of the bottom of the base is fixedly provided with a second supporting block; a connecting rod is fixed on the first supporting block and penetrates through the gap;
the upright post is fixed at one end of the base, which is close to the first supporting block; a walking wheel connecting piece is fixed at one end of the upright column close to the base, and a handle is arranged at one end far away from the base; the handle is connected with the connecting rod through a lower handle part;
the walking wheel is arranged on the walking wheel connecting piece through a sliding rod, and a first spring is arranged between the sliding rod and the walking wheel connecting piece;
and the tool box is fixed on the base.
Furthermore, the first supporting block and the second supporting block are both multiple and are arranged at the edge of the base.
Furthermore, a sliding groove is formed in the gap, and the second supporting block is arranged on a sliding rail matched with the sliding groove; the upper part of the gap is provided with a through hole for penetrating through the connecting rod, and the through hole is smaller than the cross section of the gap.
Further, the sliding groove and the sliding rail are uniformly arranged to be a plurality of in the circumferential direction.
Furthermore, a baffle is fixed on the stand column, a plurality of through holes are formed in the baffle, the connecting rod penetrates through the through holes, a second spring is sleeved between the baffle and the base on the connecting rod, one end of the second spring is fixed on the baffle, and the other end of the second spring is fixed on the connecting rod through a spring stop block.
Furthermore, the lower part of the handle is provided with an inner space, the upper side of the inner space is provided with a sliding chute, and a sliding block is arranged in the sliding chute; the lower part of the sliding block is provided with a plurality of concave parts for placing fingers during operation.
Furthermore, a through hole is formed in the side face of the base towards the gap, and a stop block is arranged in the through hole; one end of the stop block is in sliding contact with the upper portion of the first supporting block, the other end of the stop block is sleeved in the through hole through a third spring, the end portion, close to the third spring, of the first supporting block is connected with a steel wire rope through the sliding block, and the steel wire rope is a brake cable.
Furthermore, the upper part of the upright post is provided with a cross rod, and the cross rod is provided with a handle upper part formed by a groove.
Further, a space is left between the handle upper part and the handle lower part.
Furthermore, the travelling wheels adopt a three-roller structure.
Compared with the prior art, the invention has the beneficial effects that:
1. this disclosure sets up the telescopic supporting shoe in the one end that the base downside is close to the walking wheel, can realize contact, the walking of walking wheel and ground through light operation, very big reduction staff handling tool process's labour.
2. This openly through the operation to the handle, the control of realization scalable supporting shoe that can relax, simple structure, convenient operation.
3. The walking wheel of this disclosure adopts three gyro wheel structures, can realize the walking of environments such as stair climbing and road surface unevenness, and the connecting piece between walking wheel and the pole setting passes through the spring realization simultaneously, and the dog is to the injury of walking wheel to the impact force when the space is inside to be retracted, has improved the life of walking wheel.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the present embodiments, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the present embodiments and together with the description serve to explain the present embodiments without unduly limiting the present embodiments.
FIG. 1 is a front view of embodiment 1 of the present invention;
FIG. 2 is a side view of example 1 of the present invention;
fig. 3 is a cross-sectional view taken at a in fig. 2 according to embodiment 1 of the present invention.
In the figure, 1, a base, 101, a gap, 2, a tool box, 3, a handle, 301, an upper handle part, 302, a lower handle part, 303, a sliding block, 304, a steel wire rope, 4, a stand column, 5, a connecting rod, 501, a connecting rod cross rod, 502, a baffle, 503, a second spring, 504, a spring stop block, 6, a walking wheel connecting piece, 7, a first spring, 8, a sliding rod, 9, a walking wheel, 10, a first supporting block, 11, a stop block, 1101, a third spring, 12 and a second supporting block.
The specific implementation mode is as follows:
the present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Example 1:
as shown in fig. 1, the present disclosure provides an operation and maintenance trolley for a transformer substation, including a base 1, a tool box 2, a handle 3, a column 4, a support block and a road wheel.
The tool box 2 is fixed on the base 1 and used for storing operation and maintenance tools; it is understood that the tool box 2 is made of a metal plate and can be fixed on the base 1 by welding or bolting; a box cover is arranged at the upper part of the tool box 2.
As shown in fig. 1, one end of the base 1 has a certain thickness to form a platform; a gap 101 is formed in the platform, and a through hole is formed in the upper part of the gap; it should be noted that the diameter of the through hole is smaller than the size of the gap 101; a first supporting block 10 is arranged in the gap 101 in a sliding mode, the upper portion of the first supporting block 10 is connected with a connecting rod 5, and the connecting rod 5 penetrates through a through hole in the upper portion of the gap; as shown in fig. 2, a through hole is formed in one side of the gap 101, a stopper 11 is sleeved in the through hole through a third spring 1101, one end of the stopper 11 is connected with a brake cable, and the stopper 11 extends and retracts in the through hole 11 through the brake cable and the third spring, so that a contact relationship between the stopper 11 and the first support block 10 is achieved; and a second supporting block 12 is fixedly arranged at one end of the base 1 far away from the platform.
In this embodiment, two first supporting blocks 10 and two second supporting blocks 12 are respectively disposed at four corners of the base 1. Preferably, set up a plurality of spouts in the space 101, first supporting block 10 outside sets up in a plurality of spout complex slide rails, realizes first supporting block 10 is in slip in the space 101, the setting up of a plurality of spouts can improve the gliding stability of first supporting block 10.
As shown in fig. 3, a stopper 11 is sleeved in the through hole on one side of the gap 101 through a third spring 1101, specifically, one end of the third spring 1101 may be welded in the through hole, and the other end may be fixed by providing a boss on the stopper.
As shown in fig. 1 and 2, the upright post 4 is fixedly arranged on a platform of the base 1; a walking wheel connecting piece 6 is fixed at the lower end of the upright post 4, and the handle 3 is arranged at the upper end of the upright post; the handle 3 is connected with the connecting rod 5 through a handle lower part 302; specifically, a baffle plate 502 is fixed on the upright post 4, a plurality of through holes are formed in the baffle plate 502, the connecting rod 5 penetrates through the through holes, a second spring 503 is sleeved on the connecting rod 5 at a position close to the lower side of the baffle plate 502, the upper end of the second spring 503 is fixed on the baffle plate 502, and the lower end of the second spring 503 is fixed on the connecting rod 5 through a spring stopper 504; the handle lower part 302 is provided with an inner space, the upper side of the inner space is provided with a sliding groove, and a sliding block 303 is arranged in the sliding groove; the lower part of the sliding block is provided with a plurality of concave parts for placing fingers during operation; one end of the brake cable is connected with the stop block 11, and the other end of the brake cable is connected with the sliding block on the lower handle part 302.
As shown in fig. 2, in this embodiment, a cross bar is disposed on the upper portion of the upright post 4, and a handle upper part 301 formed by a groove is disposed on the cross bar, and the groove is disposed for convenient operation; specifically, a space is left between the upper handle part 301 and the lower handle part 302, so that the lower handle part 302 can drive the connecting rod 5 to ascend for a certain distance.
In the embodiment, the travelling wheel is arranged on the travelling wheel connecting piece 6 through a sliding rod 8; specifically, a hole is formed in the lower portion of the walking wheel connecting piece 6, a first spring 7 is fixedly arranged at the top of the hole, and the top of the sliding rod 8 is fixed to the lower end of the first spring 7, so that a walking wheel buffering effect is achieved; preferably, the walking wheel adopts three gyro wheel structures, can realize walking under environments such as climbing stair and road surface unevenness.
Example 2:
a use method of an operation and maintenance trolley for a transformer substation comprises the following specific working processes and principles:
placing operation and maintenance tools needed in a tool room into the tool box 2, and covering a box cover of the tool box;
the palm of the worker's hand is placed in the groove of the upper handle member 301 and the fingers are placed in the plurality of recesses of the lower handle member 302; lifting the slide block 303 on the lower handle part 302 upwards to enter the inside of the lower handle part 302 along the slide groove; at this time, the steel wire rope 304 is pulled to drive the stopper 11 to move outwards, and the third spring 1101 is compressed until the stopper 11 is not in contact with the first support block 10;
the worker continues to pull the lower hand part 302 upwards, at the moment, the lower hand part 302 drives the connecting rod 5 to move upwards, so that the first supporting block 10 in the gap 101 is driven to move upwards, the first supporting block 10 moves upwards, the second spring 503 is compressed, and the operation and maintenance trolley automatically inclines towards the walking wheel until the walking wheel is in contact with the ground;
after the travelling wheels are contacted with the ground, a worker can pull the operation and maintenance trolley to move forwards, at the moment, fingers can be loosened, the connecting rod 5 and the first supporting block 10 return to the initial position under the action of the second spring 530, and the stop block 11 returns to the initial position under the action of the third spring 1101;
it should be noted that the walking wheel sets up to three gyro wheel structures, realizes that fortune dimension dolly is at stair and the normal walking under the uneven environment in road surface, and the impact force that brings when the dolly inclination speed is very fast can be cushioned to the first spring 7 that sets up, improves fortune dimension dolly's life.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present embodiment should be included in the protection scope of the present embodiment.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (5)
1. The use method of the operation and maintenance trolley for the transformer substation is characterized by comprising the operation and maintenance trolley for the transformer substation, and the operation and maintenance trolley for the transformer substation comprises the following steps:
one end of the bottom of the base is provided with a gap, a first supporting block is connected in the gap in a sliding mode, and the other end of the bottom of the base is fixedly provided with a second supporting block; a connecting rod is fixed on the first supporting block and penetrates through the gap;
the upright post is fixed at one end of the base, which is close to the first supporting block; a walking wheel connecting piece is fixed at one end of the upright column close to the base, and a handle is arranged at one end far away from the base; the handle is connected with the connecting rod through a lower handle part;
the walking wheel is arranged on the walking wheel connecting piece through a sliding rod, and a first spring is arranged between the sliding rod and the walking wheel connecting piece;
the tool box is fixed on the base;
a baffle is fixed on the upright post, a plurality of first through holes are formed in the baffle, the connecting rod penetrates through the first through holes, a second spring is sleeved on the connecting rod between the baffle and the base, one end of the second spring is fixed on the baffle, and the other end of the second spring is fixed on the connecting rod through a spring stop block; the lower part of the handle is provided with an inner space, the upper side of the inner space is provided with a first sliding chute, and a sliding block is arranged in the first sliding chute; the lower part of the sliding block is provided with a plurality of concave parts for placing fingers during operation;
a second through hole is formed in the side surface of the base facing the gap, and a stop block is arranged in the second through hole; one end of the stop block is in sliding contact with the upper part of the first supporting block, the other end of the stop block is sleeved in the second through hole through a third spring, the end part, close to the third spring, of the first supporting block and the sliding block are connected with a steel wire rope, and the steel wire rope is a brake cable;
the upper part of the upright post is provided with a cross bar, and the cross bar is provided with a handle upper part formed by a groove; a space is reserved between the upper handle part and the lower handle part;
the specific using process is as follows:
putting operation and maintenance tools needed in a tool room into the tool box, and covering a box cover of the tool box; the palm of the worker is placed in the groove of the upper handle part, and the fingers are placed in the plurality of concave parts of the lower handle part; lifting the sliding block on the lower handle part upwards to enable the sliding block to enter the interior of the lower handle part along the first sliding groove; at the moment, the steel wire rope is pulled to drive the stop block to move outwards, and the third spring is compressed until the stop block is not contacted with the first supporting block;
the worker continues to pull the lower hand part upwards, at the moment, the lower handle part drives the connecting rod to move upwards, so that the first supporting block in the gap is driven to move upwards, the first supporting block moves upwards, the second spring is compressed, and the operation and maintenance trolley automatically inclines towards the walking wheel until the walking wheel is in contact with the ground;
after the walking wheel is in contact with the ground, a worker pulls the operation and maintenance trolley to move forwards, at the moment, fingers are loosened, the connecting rod and the first supporting block return to the initial position under the action of the second spring, and the stop block returns to the initial position under the action of the third spring.
2. The method for using the operation and maintenance trolley for the transformer substation as claimed in claim 1, wherein the first supporting block and the second supporting block are multiple and are arranged at the edge of the base.
3. The use method of the operation and maintenance trolley for the transformer substation as claimed in claim 1, wherein a second sliding groove is arranged in the gap, and a sliding rail matched with the second sliding groove is arranged on the second supporting block; and a third through hole is formed in the upper part of the gap and used for penetrating through the connecting rod, and the third through hole is smaller than the cross section of the gap.
4. The use method of the operation and maintenance trolley for the substation as claimed in claim 3, wherein the second sliding groove and the sliding rail are uniformly arranged in plurality along the circumferential direction.
5. The use method of the operation and maintenance trolley for the transformer substation as claimed in claim 1, wherein the road wheels are of a three-roller structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110608533.8A CN113306619B (en) | 2021-06-01 | 2021-06-01 | Operation and maintenance trolley for transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110608533.8A CN113306619B (en) | 2021-06-01 | 2021-06-01 | Operation and maintenance trolley for transformer substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113306619A CN113306619A (en) | 2021-08-27 |
| CN113306619B true CN113306619B (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110608533.8A Active CN113306619B (en) | 2021-06-01 | 2021-06-01 | Operation and maintenance trolley for transformer substation |
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| Country | Link |
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| CN (1) | CN113306619B (en) |
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| FR2663600A1 (en) * | 1990-06-26 | 1991-12-27 | Fimm | Barrow for handling loads |
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| CN209405628U (en) * | 2019-01-11 | 2019-09-20 | 兰州职业技术学院 | A kind of sports apparatus storage device easy to remove |
| CN209548649U (en) * | 2019-01-23 | 2019-10-29 | 烟台大学 | A kind of soccer practice device |
| CN212074051U (en) * | 2020-02-29 | 2020-12-04 | 汤昌谷 | Prevent laborsaving type construction of turnover with fortune sand fill |
| CN213109352U (en) * | 2020-04-24 | 2021-05-04 | 李旭东 | Trolley for port transportation |
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| CN100512709C (en) * | 2007-08-16 | 2009-07-15 | 无锡开普动力有限公司 | Portable carry goods moving device |
| CN107574758A (en) * | 2017-09-21 | 2018-01-12 | 西安聚投未来网络科技有限公司 | A kind of bridge construction support for possessing height adjusting function |
| CN208030503U (en) * | 2018-01-29 | 2018-11-02 | 山丹县塞外文化旅游开发有限责任公司 | A kind of scalable travelling alpin-stock |
| CN108633340A (en) * | 2018-05-11 | 2018-10-12 | 郭文英 | A kind of energy is smooth and tamps the soil compacting machine of soil |
| CN212639847U (en) * | 2020-08-01 | 2021-03-02 | 江苏希尔兴不锈钢有限公司 | High manual fork truck of security |
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2021
- 2021-06-01 CN CN202110608533.8A patent/CN113306619B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2663600A1 (en) * | 1990-06-26 | 1991-12-27 | Fimm | Barrow for handling loads |
| CN206896013U (en) * | 2016-11-23 | 2018-01-19 | 惠安华诚服饰有限公司 | A kind of draw-bar box pull bar for freely adjusting height |
| CN107719420A (en) * | 2017-10-13 | 2018-02-23 | 国网浙江省电力公司岱山县供电公司 | A kind of transformer station O＆M pull bar tool cart of three roller structure |
| CN209405628U (en) * | 2019-01-11 | 2019-09-20 | 兰州职业技术学院 | A kind of sports apparatus storage device easy to remove |
| CN209548649U (en) * | 2019-01-23 | 2019-10-29 | 烟台大学 | A kind of soccer practice device |
| CN212074051U (en) * | 2020-02-29 | 2020-12-04 | 汤昌谷 | Prevent laborsaving type construction of turnover with fortune sand fill |
| CN213109352U (en) * | 2020-04-24 | 2021-05-04 | 李旭东 | Trolley for port transportation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113306619A (en) | 2021-08-27 |
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