CN112124386A - High-low voltage transformer's conveyer - Google Patents
High-low voltage transformer's conveyer Download PDFInfo
- Publication number
- CN112124386A CN112124386A CN202010837957.7A CN202010837957A CN112124386A CN 112124386 A CN112124386 A CN 112124386A CN 202010837957 A CN202010837957 A CN 202010837957A CN 112124386 A CN112124386 A CN 112124386A
- Authority
- CN
- China
- Prior art keywords
- low voltage
- frame
- push rod
- mounting
- voltage transformer
- Prior art date
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 9
- 239000000725 suspension Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing 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
- 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
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2203/00—Grasping, holding, supporting the objects
- B62B2203/60—Positioning, means on a cart for loads
Abstract
The invention discloses a transportation device of a high-low voltage transformer, which comprises a vehicle body, a hydraulic jack and a lateral push rod. The wheels can be in two different states by arranging the mounting grooves, and when the transportation device of the high-low voltage transformer is not loaded with the external transformer, the height of the frame is lower, so that the frame can be conveniently moved into a base which is arranged at the bottom of the external transformer and is composed of two channel steels or I-shaped steels; when the external power converter needs to be installed on the transportation device of the high-low voltage power converter, the position of the wheel in the installation groove is moved, and then the frame can be lifted. And the lateral push rod is arranged to tightly abut against the channel steel or I-steel of the base of the external power converter, so that the external power converter is prevented from moving relative to the frame in the transportation process to cause slipping or overturning. The transportation device of the high-low voltage transformer can load the external transformer without external hoisting equipment, and the transportation process is always carried out on the bottom surface.
Description
Technical Field
The invention relates to the technical field of transformer equipment transportation devices, in particular to a transportation device for a high-voltage and low-voltage transformer.
Background
The high-low voltage transformer has larger volume and weight. When transporting high and low voltage transformers in a factory workshop or a warehouse, a common operation mode is to hoist the high and low voltage transformers to be transported by using an external hoisting device (such as a gantry crane) and then transfer the transformers to another place by moving the external hoisting device. The transportation mode that the high-low voltage transformer is suspended in the air and transversely moved can cause the high-low voltage transformer to swing in the air, the stability in the transportation process is poor, and accidents such as collision, falling and the like can be caused, so that the safety of equipment and personnel is endangered. Moreover, the transportation mode requires expensive external hoisting equipment, has high use cost and is not cost-effective in economy.
Disclosure of Invention
The invention mainly aims to provide a transportation device for a high-low voltage transformer, and aims to solve the problem of poor stability of the high-low voltage transformer transported by using hoisting equipment.
In order to achieve the purpose, the transportation device of the high-low voltage transformer comprises a vehicle body, a hydraulic jack and a lateral push rod; the vehicle body comprises a frame and wheels; the frame is a cuboid, a group of mounting grooves are formed on two sides of the frame respectively, each mounting groove comprises two sections of vertical grooves and one section of horizontal groove, the lengths of the two sections of vertical grooves are different, the two sections of vertical grooves are located at two ends of the horizontal groove respectively, and the mounting grooves are L-shaped; a first mounting cavity is formed in the center of the bottom of the frame; a group of mounting holes are formed on two sides of the frame respectively; the wheel comprises a connecting rod, a hub and a tire; a sliding block is formed at one end of the connecting rod and is installed in the installation groove; the hub is connected with one end of the connecting rod, which is far away from the sliding block; the tire is sleeved on the outer side of the hub; the base of the hydraulic jack is fixed in the first installation cavity; the movable rod of the hydraulic jack faces downwards; the lateral push rod is telescopically mounted in the mounting hole.
Preferably, a base plate is formed at one end, far away from the mounting hole, of the lateral push rod, and a rubber sheet is adhered to one surface, far away from the lateral push rod, of the base plate.
Preferably, a second mounting cavity is formed at the bottom of the frame, and the second mounting cavity is communicated with the mounting hole; and a push rod motor is arranged in the second mounting cavity, an output rod of the push rod motor penetrates into the mounting hole, and the output rod is fixedly connected with the lateral push rod.
Preferably, the transportation device of the high-low voltage transformer further comprises a pressure detection element and a controller; the pressure detection element is arranged on the base plate and used for acquiring pressure data between the base plate and an external power converter; the controller is arranged in the frame, is in signal connection with the pressure detection element and the push rod motor respectively, and is used for acquiring the pressure data collected by the pressure detection element so as to adjust the elongation of the output rod of the push rod motor according to the pressure data.
Preferably, the lateral push rod is in threaded connection with the mounting hole, and the push rod can be rotated to change the insertion depth into the mounting hole.
Preferably, the bottom of the movable rod of the hydraulic jack is provided with a supporting plate.
Preferably, the bottom of supporting disk is provided with and is no less than three gyro wheel, the gyro wheel is circular evenly distributed, just the direction of roll of gyro wheel all with circular shape tangential direction is unanimous.
Preferably, a bearing is arranged between the connecting rod and the hub, the connecting rod is connected with an inner ring of the bearing, the hub is connected with an outer ring of the bearing, and the hub can rotate around the central axis of the connecting rod.
Preferably, a grip is provided at one end of the frame.
Preferably, a cover plate is installed on the bottom surface of the frame and used for sealing the second installation cavity.
According to the technical scheme, the wheel can be in two different states by arranging the mounting groove, the mounting groove comprises two sections of vertical grooves and one section of horizontal groove, the lengths of the two sections of vertical grooves are different, the two sections of vertical grooves are respectively positioned at two ends of the horizontal groove, the end points of the vertical grooves are connected with the end points of the horizontal groove, the vertical grooves extend along the upper direction, and the mounting groove is L-shaped. When the external power converter is not loaded on the transportation device of the high-low voltage power converter, the wheels are positioned at the end points of the longer vertical grooves far away from the horizontal groove, and the height of the frame is lower at the moment, so that the frame can be conveniently moved into a base formed by two channel steels or I-shaped steels and arranged at the bottom of the external power converter; when the external power converter needs to be mounted on the transportation device of the high-low voltage power converter, the hydraulic jack raises the frame, the frame jacks up the external transformer, at the moment, the wheels slide into the horizontal groove from the longer vertical grooves and move from one end of the horizontal groove to the other end of the horizontal groove, the jack releases pressure, the frame gradually falls, the wheels gradually move from the bottom end of the shorter vertical groove to the top end of the vertical groove and support the frame, and at the moment, the external power converter is mounted on the frame. And by arranging the telescopic lateral push rod in the mounting hole, after the external power converter is loaded on the frame, the lateral push rod extends out of the mounting hole and abuts against channel steel or I-steel of a base of the external power converter, so that the external power converter is prevented from moving relative to the frame in the transportation process to cause slipping or overturning. The transportation device of the high-low voltage transformer can load the external transformer without external hoisting equipment, the transportation process is always carried out on the bottom surface, and compared with the traditional suspension mode, the transportation device of the high-low voltage transformer has stronger stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a transportation device of a high-low voltage transformer according to the present invention;
FIG. 2 is an exploded view of a transportation device of the high and low voltage transformer of the present invention;
FIG. 3 is a schematic view of the frame construction;
FIG. 4 is a schematic view of the shape of the mounting groove;
fig. 5 is a schematic view of the operation state of the transportation device of the high-low voltage transformer of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
116 | |
| 110 | |
120 | Wheel of |
| 111 | |
200 | |
| 112 | |
210 | |
| 113 | |
211 | |
| 114 | |
300 | |
| 115 | Handle of hand grip |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a transportation device of a high-low voltage transformer.
Referring to fig. 1 to 5, the transportation apparatus for high and low voltage transformers includes a vehicle body 100, a hydraulic jack 200, and a lateral push rod 300. The vehicle body 100 includes a frame 110 and wheels 120. The vehicle frame 110 is a rectangular body, a set of mounting grooves 111 are formed on two sides of the vehicle frame 110, each mounting groove 111 includes two sections of vertical grooves and one section of horizontal groove, the lengths of the two sections of vertical grooves are different, the two sections of vertical grooves are located at two ends of the horizontal groove, the mounting groove 111 is in an 'L' shape, and the mounting groove 111 is used for mounting the wheels 120. A first mounting cavity 112 is formed in the center of the bottom of the frame 110, and the first mounting cavity 112 is used for fixedly mounting the hydraulic jack 200. A set of mounting holes 113 is formed on each of both sides of the frame 110 for mounting the side push rod 300. The wheel 120 comprises a connecting rod, a hub and a tire; one end of the connecting rod is formed with a sliding block, the sliding block is installed in the installation groove 111, and the sliding block can slide in the installation groove 111 according to whether the transformer is carried or not, so that the wheel 120 is located at different positions of the installation groove 111, and the height of the wheel 120 extending out of the bottom surface of the frame 110 is changed. The hub is connected with one end of the connecting rod, which is far away from the sliding block; the tire is sleeved on the outer side of the hub; the base of the hydraulic jack 200 is fixed in the first installation cavity 112, the movable rod of the hydraulic jack 200 faces downwards, and the hydraulic jack 200 is used for jacking the frame 110 so as to facilitate the position change of the wheel 120 in the installation groove 111. The side push rod 300 is telescopically installed in the installation hole 113 to transversely connect the external power converter, thereby enhancing the stability of the external power converter on the frame 110.
In the technical scheme of the invention, the wheel 120 can be in two different states by arranging the mounting groove 111, the mounting groove 111 comprises two sections of vertical grooves and one section of horizontal groove, the lengths of the two sections of vertical grooves are different, the two sections of vertical grooves are respectively positioned at two ends of the horizontal groove, the end points of the vertical grooves are connected with the end points of the horizontal groove, the vertical grooves extend along the upper part, and the mounting groove 111 is in an L shape. When the external converter is not loaded on the transportation device of the high-low voltage converter, the wheels 120 are positioned at the end points of the longer vertical grooves far away from the horizontal groove, and the frame 110 is lower in height and convenient to move into a base formed by two channel steel or I-steel and arranged at the bottom of the external converter; when an external transformer needs to be mounted on the transportation device of the high-low voltage transformer, the hydraulic jack 200 raises the frame 110, the frame 110 raises the external transformer, at this time, the wheel 120 slides into the horizontal groove from the longer vertical groove and moves from one end of the horizontal groove to the other end of the horizontal groove, the jack 200 releases pressure, the frame 110 gradually falls, the wheel 120 gradually moves from the bottom end to the top end of the shorter vertical groove and supports the frame 110, and at this time, the external transformer is mounted on the frame 110. By arranging the telescopic lateral push rod 300 in the mounting hole 113, after the external power converter is loaded on the frame 110, the lateral push rod 300 extends out of the mounting hole 113 to abut against a channel steel or an I-steel of a base of the external power converter, so that the external power converter is prevented from moving relative to the frame 110 in the transportation process, and slipping or overturning is avoided. The transportation device of the high-low voltage transformer can load the external transformer without external hoisting equipment, the transportation process is always carried out on the bottom surface, and compared with the traditional suspension mode, the transportation device of the high-low voltage transformer has stronger stability.
In an embodiment of the present invention, a pad is formed at an end of the lateral push rod 300 away from the mounting hole 113, and the pad is used to enlarge a contact area with an external converter base and optimize a force. One side of the base plate, which is far away from the lateral push rod 300, is adhered with a rubber sheet, and through the rubber sheet, the lateral push rod 300 and an external power converter can be protected from being abraded. A second mounting cavity 114 is formed at the bottom of the frame 110, and the second mounting cavity 114 is communicated with the mounting hole 113; a push rod motor is arranged in the second mounting cavity 114, an output rod of the push rod motor penetrates into the mounting hole 113, and the output rod is fixedly connected with the lateral push rod 300. Utilize the push rod motor replaces artifical flexible side direction push rod 300 not only can improve work efficiency but also can practice thrift the manpower.
Preferably, the transportation device of the high-low voltage transformer further comprises a pressure detection element and a controller; the pressure detection element is arranged on the base plate and used for acquiring pressure data between the base plate and an external power converter; the controller is arranged in the frame 110, the controller is in signal connection with the pressure detection element and the push rod motor respectively, and the controller is used for acquiring the pressure data collected by the pressure detection element so as to adjust the elongation of the output rod of the push rod motor according to the pressure data. Because the thrust of the lateral push rod 300 directly affects the firmness of the connection between the frame 110 and the external power converter, when the thrust is insufficient, the connection between the frame 110 and the external power converter is not stable enough, which may cause the external power converter to slide in the transportation process; when the pushing force is too large, the pressure on the push rod motor and the base of the external power converter is too large, and even damage is caused. By providing the pressure detecting element and the controller, the elongation of the lateral push rod 300 is controlled by means of a preset pressure value, and the best effect can be obtained.
In another embodiment of the present invention, the lateral push rod 300 is threadedly coupled to the mounting hole 113, and the push rod 300 can be rotated to change the depth of insertion into the mounting hole 113. In order to control the cost, the lateral push rod 300 and the mounting hole 113 which are connected through threads are arranged, and the elongation of the lateral push rod 300 can be adjusted manually, so that the purpose of connecting an external converter base is achieved.
In yet another embodiment of the present invention, a support plate 210 is provided at the bottom of the movable rod of the hydraulic jack 200. The bottom of supporting disk 210 is provided with and is no less than three gyro wheel 211, gyro wheel 211 is circular evenly distributed, just the direction of roll of gyro wheel 211 all with circular shape tangential direction is unanimous. When the transportation device of the high-low voltage transformer needs to turn, the hydraulic jack 200 can be lifted and rotated by rolling the roller 211 at the bottom of the supporting plate 210. This is more smooth than rotating directly through the wheel 120, avoiding tipping over.
Preferably, a bearing is arranged between the connecting rod and the hub, the connecting rod is connected with an inner ring of the bearing, the hub is connected with an outer ring of the bearing, and the hub can rotate around the central axis of the connecting rod. The friction force between the connecting rod and the hub is reduced through the bearing, so that the transportation device of the high-low voltage transformer is more stable in the moving process.
Preferably, a grip 115 is provided at one end of the frame 110 to facilitate pushing and pulling.
Preferably, a cover plate 116 is installed on the bottom surface of the frame 110 for closing the second installation cavity 114 and preventing mud or dregs from entering the second installation cavity 114.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The transportation device of the high-low voltage transformer is characterized by comprising a vehicle body (100), a hydraulic jack (200) and a lateral push rod (300);
the vehicle body (100) includes a frame (110) and wheels (120);
the bicycle frame (110) is a cuboid, a group of mounting grooves (111) are formed on two sides of the bicycle frame (110), each mounting groove (111) comprises two sections of vertical grooves and one section of horizontal groove, the lengths of the two sections of vertical grooves are different, the two sections of vertical grooves are respectively located at two ends of the horizontal groove, and the mounting grooves (111) are L-shaped; a first mounting cavity (112) is formed in the center of the bottom of the frame (110); a group of mounting holes (113) are formed on two sides of the frame (110);
the wheel (120) comprises a connecting rod, a hub and a tyre; a sliding block is formed at one end of the connecting rod and is installed in the installation groove (111); the hub is connected with one end of the connecting rod, which is far away from the sliding block; the tire is sleeved on the outer side of the hub;
the base of the hydraulic jack (200) is fixed in the first mounting cavity (112); the movable rod of the hydraulic jack (200) faces downwards;
the lateral push rod (300) is telescopically mounted in the mounting hole (113).
2. The transportation device of high and low voltage transformer according to claim 1, characterized in that a pad is formed at one end of the side push rod (300) far away from the mounting hole (113), and a rubber is adhered to one side of the pad far away from the side push rod (300).
3. The transportation apparatus of high and low voltage transformers according to claim 2, wherein a second mounting cavity (114) is formed at the bottom of the frame (110), and the second mounting cavity (114) is communicated with the mounting hole (113); a push rod motor is arranged in the second mounting cavity (114), an output rod of the push rod motor penetrates into the mounting hole (113), and the output rod is fixedly connected with the lateral push rod (300).
4. The transportation apparatus of high and low voltage transformers according to claim 3, further comprising a pressure detecting element and a controller; the pressure detection element is arranged on the base plate and used for acquiring pressure data between the base plate and an external power converter; the controller is arranged in the frame (110), is in signal connection with the pressure detection element and the push rod motor respectively, and is used for acquiring the pressure data collected by the pressure detection element so as to adjust the elongation of the output rod of the push rod motor according to the pressure data.
5. The transportation apparatus of high and low voltage transformers according to claim 1, wherein the lateral push rod (300) is screw-coupled to the mounting hole (113), and the push rod (300) can be rotated to change the depth of insertion into the mounting hole (113).
6. The high and low voltage transformer transportation apparatus according to any one of claims 1 to 5, wherein a support plate (210) is provided at the bottom of the movable rod of the hydraulic jack (200).
7. The transportation device of high and low voltage transformers according to claim 6, wherein the bottom of the supporting plate (210) is provided with at least three rollers (211), the rollers (211) are uniformly distributed in a circular shape, and the rolling directions of the rollers (211) are consistent with the tangential direction of the circular shape.
8. The transportation apparatus for high and low voltage transformers according to any of claims 1 to 5, wherein a bearing is disposed between the connection rod and the hub, the connection rod is connected to an inner ring of the bearing, the hub is connected to an outer ring of the bearing, and the hub is rotatable around a central axis of the connection rod.
9. The high and low voltage transformer transportation apparatus according to any one of claims 1 to 5, wherein a grip (115) is provided at one end of the frame (110).
10. A high and low voltage transformer transportation device as claimed in any one of claims 3 or 4, wherein a cover plate (116) is installed on the bottom surface of the frame (110) for closing the second installation cavity (114).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010837957.7A CN112124386B (en) | 2020-08-19 | 2020-08-19 | High-low voltage transformer's conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010837957.7A CN112124386B (en) | 2020-08-19 | 2020-08-19 | High-low voltage transformer's conveyer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112124386A true CN112124386A (en) | 2020-12-25 |
| CN112124386B CN112124386B (en) | 2021-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010837957.7A Active CN112124386B (en) | 2020-08-19 | 2020-08-19 | High-low voltage transformer's conveyer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112124386B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI72292B (en) * | 1985-02-20 | 1987-01-30 | Kone Oy | BROMS VID EN LAETTKONSTRUERAD TRANSPORTVAGN |
| CN2351341Y (en) * | 1999-01-07 | 1999-12-01 | 中山学院 | Hand cart for carrying machine tool equipment |
| CN201009917Y (en) * | 2007-02-14 | 2008-01-23 | 徐绍富 | Handbarrow vehicle with hydraulic lifter |
| WO2013191700A1 (en) * | 2012-06-21 | 2013-12-27 | Beauchamp Brenda Jo | Shopping cart with folding legs |
| CN106315418A (en) * | 2015-07-07 | 2017-01-11 | 天津市鸣利金属结构制造有限公司 | I-shaped steel transport cart |
| CN108189897A (en) * | 2017-12-28 | 2018-06-22 | 平湖市金猴童车有限公司 | A kind of improved elevating wheel |
| CN208248247U (en) * | 2018-01-22 | 2018-12-18 | 北京顺安诚信生物工程科技有限公司 | A kind of Medical trolley with elevating function |
-
2020
- 2020-08-19 CN CN202010837957.7A patent/CN112124386B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI72292B (en) * | 1985-02-20 | 1987-01-30 | Kone Oy | BROMS VID EN LAETTKONSTRUERAD TRANSPORTVAGN |
| CN2351341Y (en) * | 1999-01-07 | 1999-12-01 | 中山学院 | Hand cart for carrying machine tool equipment |
| CN201009917Y (en) * | 2007-02-14 | 2008-01-23 | 徐绍富 | Handbarrow vehicle with hydraulic lifter |
| WO2013191700A1 (en) * | 2012-06-21 | 2013-12-27 | Beauchamp Brenda Jo | Shopping cart with folding legs |
| CN106315418A (en) * | 2015-07-07 | 2017-01-11 | 天津市鸣利金属结构制造有限公司 | I-shaped steel transport cart |
| CN108189897A (en) * | 2017-12-28 | 2018-06-22 | 平湖市金猴童车有限公司 | A kind of improved elevating wheel |
| CN208248247U (en) * | 2018-01-22 | 2018-12-18 | 北京顺安诚信生物工程科技有限公司 | A kind of Medical trolley with elevating function |
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| Publication number | Publication date |
|---|---|
| CN112124386B (en) | 2021-11-23 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A transportation device for high and low voltage transformers Effective date of registration: 20231106 Granted publication date: 20211123 Pledgee: China Co. truction Bank Corp Yiyang branch Pledgor: Huaxiang XiangNeng Technology Co.,Ltd. Registration number: Y2023980063452 |
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