CN111634315A - Folding drum-type transport vehicle - Google Patents

Folding drum-type transport vehicle Download PDF

Info

Publication number
CN111634315A
CN111634315A CN202010423561.8A CN202010423561A CN111634315A CN 111634315 A CN111634315 A CN 111634315A CN 202010423561 A CN202010423561 A CN 202010423561A CN 111634315 A CN111634315 A CN 111634315A
Authority
CN
China
Prior art keywords
plate
connecting rod
groove
limiting
rod
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.)
Pending
Application number
CN202010423561.8A
Other languages
Chinese (zh)
Inventor
张力朋
杨从富
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Yuyi Packaging Material Co ltd
Original Assignee
Guangzhou Yuyi Packaging Material Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Yuyi Packaging Material Co ltd filed Critical Guangzhou Yuyi Packaging Material Co ltd
Priority to CN202010423561.8A priority Critical patent/CN111634315A/en
Publication of CN111634315A publication Critical patent/CN111634315A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/02Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/04Hand 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00Accessories or details specially adapted for hand carts
    • B62B5/06Hand moving equipment, e.g. handle bars
    • B62B5/064Hand moving equipment, e.g. handle bars adaptable for different users, e.g. by means of pivoting elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)

Abstract

The invention discloses a folding drum type transport vehicle which comprises a bottom plate and a handle assembly arranged on one side of the top of the bottom plate, wherein pulleys are arranged on two sides of the bottom plate, a groove is formed in the middle position of the top of the bottom plate, an electric push rod is arranged on one side inside the groove, a storage battery is arranged on the other side inside the groove, the electric push rod is electrically connected with the storage battery through a wire, supporting rods are arranged on two sides of the top of the bottom plate, and a top plate is arranged on the tops of the supporting rods. According to the invention, the roll shafts are arranged to reduce the workload of workers when the cargos are loaded, and the support plate can be inclined by pulling the pull rod and upwards moving the baffle plate, so that the cargos can be further conveniently unloaded by the device, the convenience of the device is greatly improved, and meanwhile, the height of the handrail can be conveniently adjusted by a user through the arranged handle assembly, so that the use of the device is further facilitated.

Description

Folding drum-type transport vehicle
Technical Field
The invention relates to the related technical field of carrying equipment, in particular to a folding drum type transport vehicle.
Background
The transportation is the movement of changing the storage and support state of the goods in the same region, which is called loading and unloading, and the movement of changing the space position of the goods is called transportation, which are called loading and unloading transportation, and the cart is the main carrying and transporting tool in the process of transferring and transporting the goods, and with the progress of the industrial level, most of the carts adopted at present are folding type transport carts.
However, the top of the existing foldable transport vehicle adopts the flat plate as the supporting plate, so that the workload of workers for loading the goods is relatively high, the flat plate adopted by the top of the existing foldable transport vehicle adopts a fixed structure for installation, the unloading of the workers to the goods is further not facilitated, and the convenience and the great reduction of the device are further caused.
Disclosure of Invention
The invention aims to provide a folding drum type transport vehicle, which solves the problems that the tops of the existing folding transport vehicles all adopt flat plates as supporting plates, so that the workload of workers on loading goods is greater, and the flat plates adopted by the tops of the existing folding transport vehicles are all installed by adopting fixed structures, so that the unloading of the workers on the goods is further not facilitated, and the convenience of the device is greatly reduced.
In order to achieve the purpose, the invention provides the following technical scheme: a folding drum-type transport cart comprises a bottom plate and a handle assembly arranged on one side of the top of the bottom plate, pulleys are arranged on two sides of the bottom plate, a groove is formed in the middle of the top of the bottom plate, an electric push rod is arranged on one side inside the groove, a storage battery is arranged on the other side inside the groove, the electric push rod is electrically connected with the storage battery through a lead, support rods are arranged on two sides of the top of the bottom plate, a top plate is arranged on the top of each support rod, a first limiting assembly is arranged on one side, close to the handle assembly, of the top plate, a support plate is arranged on the top of the top plate, one side, far away from the handle assembly, of the support plate is hinged with the top plate through a hinge, a baffle is, a second limiting component is arranged inside one end, close to the baffle, of the supporting plate.
Preferably, the handle assembly comprises a first connecting rod, a second connecting rod, a limiting bolt and a handrail, the bottom of the first connecting rod is fixedly connected with the top of one side of the bottom plate, a first chute is arranged inside the first connecting rod, an opening is formed in the top of the first chute, a sliding block is arranged inside the first chute, the second connecting rod is arranged at the top of the first connecting rod, the bottom of the second connecting rod penetrates through the opening and is fixedly connected with the top of the sliding block, the limiting bolt is arranged on one side of the top of the first connecting rod, the handrail is arranged at the top of the second connecting rod, and the bottom of the handrail is fixedly connected with the top of the second connecting rod.
Preferably, one side of the second connecting rod is provided with a limiting groove, and one end of the limiting bolt penetrates through the inner wall of the first connecting rod and is abutted to the limiting groove.
Preferably, the bottoms of the two groups of supporting rods are hinged to the bottom plate through hinges, and the tops of the two groups of supporting rods are hinged to the bottom of the top plate through hinges.
Preferably, the two groups of support rods are arranged in a crossed mode, the crossed positions of the two groups of support rods are rotatably connected through pin shafts, and the output shaft of the electric push rod is hinged to the bottom of one side of each support rod.
Preferably, the spacing subassembly of second comprises second spout, limiting plate, compression spring and connection horizontal pole, the second spout is seted up inside backup pad one side, the limiting plate sets up keeps away from handle subassembly one side inner wall at the second spout, compression spring set up in limiting plate one side with the second spout is kept away from between the inner wall of limiting plate one side, connect horizontal pole one end run through the second spout inner wall with limiting plate one side fixed connection, connect the horizontal pole other end with pull rod top one side fixed connection, the compression spring cover is established and is connected the horizontal pole outer wall.
Preferably, first spacing subassembly comprises draw-in groove and gag lever post, the draw-in groove is seted up inside roof one side, gag lever post one end run through the draw-in groove inner wall with the draw-in groove block is connected, the gag lever post other end with draw-bar bottom one side fixed connection.
The invention provides a folding drum-type transport vehicle, which has the following beneficial effects:
(1) according to the invention, by arranging the supporting plate, the roller shaft, the baffle plate, the first limiting assembly and the second limiting assembly, when the device is used, the roller shaft is arranged at the top of the supporting plate, so that the loading and unloading of goods are facilitated under the rotating action of the roller shaft, the workload of workers in the loading and unloading of goods is further reduced, when the goods need to be unloaded, the pull rod can be pulled, the baffle plate is lifted upwards to enable the supporting plate to form an included angle with the top plate, and the unloading of the goods by the workers is further facilitated by matching with the rolling action of the roller shaft, so that the convenience of the device is effectively improved.
(2) By arranging the handle assembly, when the handrail device is used, a user can enable the first connecting rod to slide in the first sliding groove by screwing the limiting bolt, so that the user can adjust the length of the second connecting rod according to the self requirement, the height of the handrail can be conveniently adjusted by the user, the handrail can be more conveniently used, and the convenience of the handrail device is further improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the support plate of the present invention;
FIG. 3 is a schematic view of the handle assembly of the present invention;
fig. 4 is an enlarged view of the structure a in fig. 1 according to the present invention.
In the figure: 1. a base plate; 2. a pulley; 3. a groove; 4. an electric push rod; 5. a storage battery; 6. a support bar; 7. a top plate; 8. a support plate; 9. a baffle plate; 10. a roll shaft; 11. a pull rod; 12. a first connecting rod; 13. a second connecting rod; 14. a limit bolt; 15. a handrail; 16. a first chute; 17. a slider; 18. a limiting groove; 19. a second chute; 20. a limiting plate; 21. a compression spring; 22. connecting the cross bars; 23. a card slot; 24. a limiting rod.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 4, the present invention provides a technical solution: a folding drum-type transport cart comprises a bottom plate 1 and a handle assembly arranged on one side of the top of the bottom plate 1, pulleys 2 are arranged on two sides of the bottom plate 1, a groove 3 is formed in the middle position of the top of the bottom plate 1, an electric push rod 4 is arranged on one side inside the groove 3, a storage battery 5 is arranged on the other side inside the groove 3, the electric push rod 4 is electrically connected with the storage battery 5 through a lead, support rods 6 are arranged on two sides of the top of the bottom plate 1, a top plate 7 is arranged on the top of each support rod 6, a first limiting assembly is arranged on one side, close to the handle assembly, of each top plate 7, a support plate 8 is arranged on the top of each top plate 7, one side, far away from the handle assembly, of each support plate 8 is hinged to the corresponding top plate, the backup pad 8 is close to handle subassembly one side and is provided with pull rod 11, backup pad 8 is close to baffle 9 one end inside and is provided with the spacing subassembly of second.
The handle subassembly comprises head rod 12, second connecting rod 13, spacing bolt 14 and handrail 15, head rod 12 bottom with 1 one side top fixed connection of bottom plate, head rod 12 is inside to be provided with first spout 16, the opening has been seted up at first spout 16 top, the inside slider 17 that is provided with of first spout 16, second connecting rod 13 sets up at head rod 12 top, just 13 bottom run through the opening of second connecting rod with 17 top fixed connection of slider, spacing bolt 14 sets up in head rod 12 top one side, handrail 15 sets up at 13 tops of second connecting rod, just handrail 15 bottom with 13 top fixed connection of second connecting rod.
The limiting groove 18 is formed in one side of the second connecting rod 13, one end of the limiting bolt 14 penetrates through the inner wall of the first connecting rod 12 and is abutted to the limiting groove 18, the limiting groove 18 is arranged to facilitate fixing between the first connecting rod 12 and the second connecting rod 13, and then the length of the second connecting rod 13 is changed and used conveniently, so that the device is more convenient to use.
Two sets of 6 bottoms of bracing piece all through the hinge with bottom plate 1 is articulated, and two sets of 6 tops of bracing piece all through the hinge with roof 7 bottoms are articulated.
Two sets of adopt cross arrangement between the bracing piece 6, and two sets of 6 crossing point of bracing piece adopt the round pin axle to rotate to be connected, just 4 output shafts of electric putter with 6 one side bottoms of bracing piece are articulated, through articulating 4 output shafts of electric putter with bracing piece 6, and then can realize the adjustment to the device height through opening electric putter 4 to the convenience of device has further been improved.
The second limiting component is composed of a second chute 19, a limiting plate 20, a compression spring 21 and a connecting cross rod 22, the second chute 19 is arranged inside one side of the supporting plate 8, the limiting plate 20 is arranged on the inner wall of one side of the second chute 19 far away from the handle component, the compression spring 21 is arranged between one side of the limiting plate 20 and the inner wall of one side of the second chute 19 far away from the limiting plate 20, one end of the connecting cross rod 22 penetrates through the inner wall of the second chute 19 and is fixedly connected with one side of the limiting plate 20, the other end of the connecting cross rod 22 is fixedly connected with one side of the top of the pull rod 11, the compression spring 21 is sleeved on the outer wall of the connecting cross rod 22, when the connecting cross rod 11 is pulled by a user, the connecting cross rod 22 can be driven to move inside the second chute 19, and the limiting rod 24 can be driven to slide inside the second chute 19 under the, and make compression spring 21 compressed under limiting plate 20's effect, further, when the user unclamped pull rod 11, connect horizontal pole 22 and pull rod 11 and can reset under compression spring 21's effect to make pull rod 11's use more convenient, and then improved the convenience of device.
First spacing subassembly comprises draw-in groove 23 and gag lever post 24, draw-in groove 23 is seted up inside roof 7 one side, 24 one end of gag lever post run through draw-in groove 23 inner wall with draw-in groove 23 block is connected, the gag lever post 24 other end with pull rod 11 bottom one side fixed connection, when using, the user can be through pulling pull rod 11 for draw-in groove 23 can be kept away from to gag lever post 24, and then makes backup pad 8 can carry out the adjustment of angle as required, and then made things convenient for the use of device.
The working principle is as follows: when the device is used, a user can drive the supporting rod 6 to move by opening the electric push rod 4, so that the heights of the top plate 7 and the supporting plate can be adjusted, the roller shaft 10 is arranged at the top of the supporting plate 8, so that when a worker loads and unloads goods at the top of the supporting plate 8, the loading and unloading of the goods are facilitated by the rotation of the roller shaft 10, the workload of the worker in loading and unloading the goods is further reduced, when the goods need to be unloaded, the pull rod 11 can be pulled to enable the pull rod 11 to drive the limiting rod 24 to be separated from the clamping groove 23, then the baffle plate 9 is lifted upwards, so that the supporting plate 8 and the top plate 7 can form an included angle, the unloading of the goods by the worker is facilitated by matching with the rolling action of the roller shaft 10, meanwhile, when the device is used, the user can screw the limiting bolt 14, make first connecting rod 12 can slide in first spout 16 is inside to make the user adjust the length of second connecting rod 13 according to the needs of self, and can realize the adjustment to handrail 15 height under the effect of second connecting rod 13, and after the adjustment finishes, only need through twisting spacing bolt 14, make spacing bolt 14 and spacing groove 18 carry out the butt and can accomplish.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A foldable drum-type transport vehicle comprises a bottom plate (1) and a handle assembly arranged on one side of the top of the bottom plate (1), and is characterized in that: the bottom of the bottom plate (1) is provided with pulleys (2) on two sides, a groove (3) is formed in the middle position of the top of the bottom plate (1), an electric push rod (4) is arranged on one side inside the groove (3), a storage battery (5) is arranged on the other side inside the groove (3), the electric push rod (4) is electrically connected with the storage battery (5) through a wire, support rods (6) are arranged on two sides of the top of the bottom plate (1), a top plate (7) is arranged on the top of each support rod (6), a first limiting component is arranged on one side, close to a handle component, of the top plate (7), a support plate (8) is arranged on the top of the top plate (7), one side, far away from the handle component, of the support plate (8) is hinged to the top plate (7) through a, the roller shaft (10) is arranged at the top of the supporting plate (8), a pull rod (11) is arranged on one side, close to the handle assembly, of the supporting plate (8), and a second limiting assembly is arranged inside one end, close to the baffle (9), of the supporting plate (8).
2. A folding drum transport vehicle as claimed in claim 1, characterized in that: the handle component consists of a first connecting rod (12), a second connecting rod (13), a limit bolt (14) and a handrail (15), the bottom of the first connecting rod (12) is fixedly connected with the top of one side of the bottom plate (1), a first sliding chute (16) is arranged in the first connecting rod (12), an opening is arranged at the top of the first sliding chute (16), a sliding block (17) is arranged in the first sliding groove (16), the second connecting rod (13) is arranged at the top of the first connecting rod (12), and the bottom of the second connecting rod (13) is fixedly connected with the top of the sliding block (17) through an opening, the limit bolt (14) is arranged on one side of the top of the first connecting rod (12), the handrail (15) is arranged on the top of the second connecting rod (13), and the bottom of the handrail (15) is fixedly connected with the top of the second connecting rod (13).
3. A folding drum transport vehicle as claimed in claim 2, characterized in that: one side of the second connecting rod (13) is provided with a limiting groove (18), and one end of the limiting bolt (14) penetrates through the inner wall of the first connecting rod (12) and is abutted to the limiting groove (18).
4. A folding drum transport vehicle as claimed in claim 1, characterized in that: the bottoms of the two groups of supporting rods (6) are hinged to the bottom plate (1) through hinges, and the tops of the two groups of supporting rods (6) are hinged to the bottom of the top plate (7) through hinges.
5. A folding drum transport vehicle as claimed in claim 1, characterized in that: the two groups of the support rods (6) are arranged in a cross mode, the cross positions of the two groups of the support rods (6) are connected in a rotating mode through pin shafts, and the output shaft of the electric push rod (4) is hinged to the bottom of one side of each support rod (6).
6. A folding drum transport vehicle as claimed in claim 1, characterized in that: the spacing subassembly of second comprises second spout (19), limiting plate (20), compression spring (21) and connection horizontal pole (22), set up inside backup pad (8) one side in second spout (19), limiting plate (20) set up keep away from handle subassembly one side inner wall in second spout (19), compression spring (21) set up in limiting plate (20) one side with limiting plate (20) one side between the inner wall is kept away from in second spout (19), connect horizontal pole (22) one end run through second spout (19) inner wall with limiting plate (20) one side fixed connection, connect horizontal pole (22) the other end with pull rod (11) top one side fixed connection, compression spring (21) cover is established and is connected horizontal pole (22) outer wall.
7. A folding drum transport vehicle as claimed in claim 1, characterized in that: first spacing subassembly comprises draw-in groove (23) and gag lever post (24), inside roof (7) one side was seted up in draw-in groove (23), gag lever post (24) one end run through draw-in groove (23) inner wall with draw-in groove (23) block is connected, gag lever post (24) other end with pull rod (11) bottom one side fixed connection.
CN202010423561.8A 2020-05-18 2020-05-18 Folding drum-type transport vehicle Pending CN111634315A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010423561.8A CN111634315A (en) 2020-05-18 2020-05-18 Folding drum-type transport vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010423561.8A CN111634315A (en) 2020-05-18 2020-05-18 Folding drum-type transport vehicle

Publications (1)

Publication Number Publication Date
CN111634315A true CN111634315A (en) 2020-09-08

Family

ID=72328053

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010423561.8A Pending CN111634315A (en) 2020-05-18 2020-05-18 Folding drum-type transport vehicle

Country Status (1)

Country Link
CN (1) CN111634315A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113022670A (en) * 2021-03-05 2021-06-25 深圳市春晖国际货运代理有限公司 A commodity circulation car for transporting medical supplies

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105460055A (en) * 2015-12-10 2016-04-06 成都绿迪科技有限公司 Logistics flat vehicle
CN106144945A (en) * 2016-08-26 2016-11-23 湖州埭溪振华工贸有限公司 Rotary liftable transport trolley
AU2016277682A1 (en) * 2015-12-23 2017-07-13 Song, Lida Dr Transport Device
CN206749854U (en) * 2017-05-19 2017-12-15 吉林工程技术师范学院 Mobile convenient lift truck
CN207241759U (en) * 2017-08-07 2018-04-17 江西省昌博实业有限公司 It is a kind of mobile trolley used
CN208376823U (en) * 2018-06-28 2019-01-15 福建鸿燕化工有限公司 One kind being used for acetylbutyrylcellulose production and transport device
CN209617201U (en) * 2019-02-28 2019-11-12 衡阳师范学院 Folded bicycle is used in a kind of adjustable logistics carrying
CN210016768U (en) * 2019-03-06 2020-02-04 王晴 Computer remote control device
CN210063688U (en) * 2019-06-27 2020-02-14 苏州凯康化工科技有限公司 Storage tank is used in production of thermal-insulated reflective coating

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105460055A (en) * 2015-12-10 2016-04-06 成都绿迪科技有限公司 Logistics flat vehicle
AU2016277682A1 (en) * 2015-12-23 2017-07-13 Song, Lida Dr Transport Device
CN106144945A (en) * 2016-08-26 2016-11-23 湖州埭溪振华工贸有限公司 Rotary liftable transport trolley
CN206749854U (en) * 2017-05-19 2017-12-15 吉林工程技术师范学院 Mobile convenient lift truck
CN207241759U (en) * 2017-08-07 2018-04-17 江西省昌博实业有限公司 It is a kind of mobile trolley used
CN208376823U (en) * 2018-06-28 2019-01-15 福建鸿燕化工有限公司 One kind being used for acetylbutyrylcellulose production and transport device
CN209617201U (en) * 2019-02-28 2019-11-12 衡阳师范学院 Folded bicycle is used in a kind of adjustable logistics carrying
CN210016768U (en) * 2019-03-06 2020-02-04 王晴 Computer remote control device
CN210063688U (en) * 2019-06-27 2020-02-14 苏州凯康化工科技有限公司 Storage tank is used in production of thermal-insulated reflective coating

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113022670A (en) * 2021-03-05 2021-06-25 深圳市春晖国际货运代理有限公司 A commodity circulation car for transporting medical supplies
CN113022670B (en) * 2021-03-05 2022-12-09 壮婷 A commodity circulation car for transporting medical supplies

Similar Documents

Publication Publication Date Title
CN103359139B (en) Hoist trolleys
CN208681536U (en) A kind of adjustable electron component processing platform
CN111634315A (en) Folding drum-type transport vehicle
CN111268453B (en) Rapid transfer device for wire and cable processing
CN210707082U (en) Movable compartment wall structure of wagon compartment
CN208102081U (en) A kind of construction site trolley facilitating unloading
CN206126364U (en) Cargo handling device of freight train
CN205652801U (en) Portable cargo handling device
CN215163912U (en) Folding and overturning mechanism for clothes hanger
CN114954597A (en) Material conveying device for building construction and using method thereof
CN208306718U (en) A kind of cart for building
CN209367468U (en) The paper tube releasing mechanism of rewinding machine
CN207844534U (en) A kind of device of auxiliary truck handling material
CN209719753U (en) A kind of container-type trailer compartment
CN218141632U (en) Height-adjustable goods loading and unloading handcart
CN209024145U (en) A kind of liftable logistics trolley
CN208881840U (en) A kind of shelf that stability is high
CN221076027U (en) Can load and unload three-dimensional radar antenna array's storage car fast
CN214875029U (en) Multifunctional cart
CN117261980A (en) Cargo transferring device
CN213006084U (en) Raw material lifting device for latex sponge processing
CN218318515U (en) Container underframe structure
CN221138139U (en) Multipurpose assembled plastic car hopper
CN217458584U (en) Movable power-assisted mechanical arm
CN211818888U (en) Bottom door opening and closing structure of railway coal hopper car

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200908

RJ01 Rejection of invention patent application after publication