CN113942586B - Portable steel bar transportation trolley - Google Patents
Portable steel bar transportation trolley Download PDFInfo
- Publication number
- CN113942586B CN113942586B CN202111159310.4A CN202111159310A CN113942586B CN 113942586 B CN113942586 B CN 113942586B CN 202111159310 A CN202111159310 A CN 202111159310A CN 113942586 B CN113942586 B CN 113942586B
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- Prior art keywords
- main frame
- plate
- protection
- fixedly connected
- transportation trolley
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 230000008093 supporting effect Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 12
- 230000003014 reinforcing effect Effects 0.000 abstract description 7
- 230000001681 protective effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/02—Platforms; Open load compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/02—Platforms; Open load compartments
- B62D33/023—Sideboard or tailgate structures
- B62D33/027—Sideboard or tailgate structures movable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/08—Superstructures for load-carrying vehicles comprising adjustable means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses a portable steel bar transportation trolley, which relates to the technical field of steel bar transportation, wherein a driving equipment body is arranged at the bottom of a main frame structure, a protection structure is arranged in the main frame structure, the main frame structure comprises a first main frame positioned at the top of the driving equipment body, a second main frame and a third main frame are respectively arranged at two sides of the first main frame, and an extension structure is arranged among the inner walls of the first main frame, the second main frame and the third main frame. Through setting up second body frame and third body frame and remove to the both sides of first body frame respectively for second body frame and third body frame can drive the dwang through connecting the rope and rotate, and make connecting rope pulling extension rod, so make the distance between first body frame, second body frame and the third body frame grow, so conveniently transport longer dimension's light reinforcing bar, reached the effect of being convenient for adjust transportation length, thereby improved the practicality.
Description
Technical Field
The invention relates to the technical field of steel bar transportation, in particular to a portable steel bar transportation trolley.
Background
With the development of manufacturing industry and transportation industry, the whole manufacture, transportation and installation of ultra-long and overweight equipment are more and more common, and materials are often transferred between transport trolleys as equipment.
In the prior art, the length of placing of general transport vechicle is fixed for the staff can match when placing the surface of transport vechicle to portable reinforcing bar and stabilize the transportation, but the length of portable reinforcing bar does not have fixed size, leads to so easily that the staff to the portable reinforcing bar that surpasss transport vechicle length dimension through this transport vechicle clearance transportation, leads to the circumstances that the unexpected was dropped in the in-process of transportation easily to can influence the transportation of portable reinforcing bar.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a portable steel bar transportation trolley which aims to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the portable steel bar transportation trolley comprises a main frame structure, wherein a driving equipment body is arranged at the bottom of the main frame structure, and a protection structure is arranged in the main frame structure;
the main frame structure comprises a first main frame positioned at the top of the driving equipment body, two sides of the first main frame are respectively provided with a second main frame and a third main frame, an extension structure is arranged among the inner walls of the first main frame, the second main frame and the third main frame, a connecting plate is fixedly arranged at the bottom of the first main frame, an air cylinder is arranged between the connecting plate and the driving equipment body, and an inclined plate is movably arranged on the side face of the third main frame;
the protection structure comprises a first protection plate positioned in a second main frame, a second protection plate and a third protection plate are sequentially arranged at two ends of the first protection plate, the two second protection plates and the two third protection plates are fixedly connected through a first positioning plate and a second positioning plate respectively, a positioning block extending to the lower part of the sloping plate is fixedly connected to the side face of the second positioning plate, a connection structure is arranged among the first protection plate, the first positioning plate and the second positioning plate, a motor is fixedly arranged in the first main frame, a screw rod is fixedly connected to an output shaft of the motor, and a nut seat positioned in the first positioning plate is movably arranged on the surface of the screw rod;
the extension structure comprises a rotating rod positioned in the inner wall of the first main frame, a supporting spring is fixedly installed in the rotating rod, an extension rod is fixedly connected to the top of the supporting spring, and a connecting rope is arranged between the extension rod and the second main frame.
As a preferable technical scheme of the invention, the side surface of the third main frame is fixedly provided with a supporting plate, and the side surface of the supporting plate is attached to the side surface of the sloping plate.
As a preferable technical scheme of the invention, the tops of the first main frame, the second main frame and the third main frame are provided with limiting openings, and the tops of the first protection plate, the second protection plate and the third protection plate are positioned in the limiting openings.
As a preferable technical scheme of the invention, a fixing opening is formed in the third main frame, and the fixing opening is movably penetrated by the positioning block.
As a preferable technical scheme of the invention, pulleys are arranged at the bottoms of the second main frame and the third main frame, and the pulleys are positioned on the surface of the connecting plate.
As a preferable technical scheme of the invention, a connecting shaft is movably arranged on the side surface of the third main frame, and the surface of the connecting shaft is fixedly connected with the top end of the sloping plate.
As a preferable technical scheme of the invention, a fixed block is fixedly arranged in the positioning block, and the fixed block is in sliding connection with the side face of the third main frame.
As a preferable technical scheme of the invention, the connecting structure comprises a first fixing plate and a second fixing plate, wherein fixing grooves are formed in the first fixing plate and the second fixing plate, and one ends of the first fixing plate and the second fixing plate extend to the inner parts of the fixing grooves of the other side respectively.
As a preferable technical scheme of the invention, a connecting spring is fixedly connected in the inner wall of the first main frame, and one end of the connecting spring is fixedly connected with the side surface of the rotating rod.
As a preferable technical scheme of the invention, a movable shaft is fixedly connected in the inner wall of the first main frame, one end of the rotating rod is movably sleeved on the surface of the movable shaft, and an auxiliary shaft sliding with the connecting rope is arranged in the inner wall of the second main frame.
Compared with the prior art, the invention provides the portable steel bar transportation trolley which has the following beneficial effects:
1. this portable steel bar transportation trolley removes to the both sides of first body frame respectively through setting up second body frame and third body frame for second body frame and third body frame can drive the dwang through connecting the rope and rotate, and make connecting rope pulling extension rod, so make the distance between first body frame, second body frame and the third body frame grow, so conveniently transport the light steel bar of longer size, have reached the effect of being convenient for adjust transportation length, thereby have improved the practicality.
2. This portable steel bar transportation trolley rotates upwards through setting up the swash plate for the swash plate is perpendicular ground, later through first locating plate upward movement, makes first locating plate can drive protective structure upward movement, and makes protective structure can drive the locating piece upward movement through the second locating plate, makes the locating piece can fix the position after the swash plate removes, makes protective structure and swash plate can surround the portable steel bar on body frame structure surface jointly, has reached the effect of protection, has avoided the circumstances that unexpected dropped to appear in the in-process of transportation of portable steel bar.
3. This portable steel bar transportation platform truck drives the connecting plate upward movement through setting up the cylinder for the connecting plate can drive the host frame structure upward movement, makes the distance between host frame structure and the ground grow, so makes things convenient for the portable steel bar of transportation platform truck better transportation, has reached the effect of convenient transportation, thereby makes this transportation platform truck can stabilize the portable steel bar of different length of transportation.
Drawings
Fig. 1 is a schematic structural view of a portable steel bar transportation trolley according to the present invention;
fig. 2 is a front sectional view of a portable steel bar transportation trolley according to the present invention;
fig. 3 is a structural cross-sectional view of a main frame structure of a portable steel bar transporting trolley according to the present invention;
fig. 4 is a schematic structural view of a side baffle structure of a portable steel bar transportation trolley according to the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
fig. 6 is a schematic structural view of a first main frame of a portable steel bar transportation trolley according to the present invention;
fig. 7 is a schematic structural view of a second main frame of a portable steel bar transportation trolley according to the present invention;
fig. 8 is a schematic structural view of a third main frame of a portable steel bar transportation trolley according to the present invention.
In the figure: 1. a main frame structure; 101. a first main frame; 102. a second main frame; 103. a third main frame; 104. a connecting plate; 105. a cylinder; 106. a sloping plate; 107. a support plate; 108. a limit opening; 109. a fixed port; 110. a pulley; 111. a connecting shaft; 2. a driving device body; 3. a protective structure; 301. a first protection plate; 302. a second protection plate; 303. a third protection plate; 304. a first positioning plate; 305. a second positioning plate; 306. a positioning block; 307. a fixed block; 4. a connection structure; 401. a first fixing plate; 402. a second fixing plate; 403. a fixing groove; 5. an extension structure; 501. a rotating lever; 502. a connecting spring; 503. a support spring; 504. an extension rod; 505. a connecting rope; 506. an auxiliary shaft; 507. a movable shaft; 6. a motor; 7. a screw rod; 8. and a nut seat.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, a portable steel bar transportation trolley comprises a main frame structure 1, a driving device body 2 is arranged at the bottom of the main frame structure 1, a protection structure 3 is arranged in the main frame structure 1, the main frame structure 1 comprises a first main frame 101 positioned at the top of the driving device body 2, a second main frame 102 and a third main frame 103 are respectively arranged at two sides of the first main frame 101, an extension structure 5 is arranged between the inner walls of the first main frame 101, the second main frame 102 and the third main frame 103, a connecting plate 104 is fixedly arranged at the bottom of the first main frame 101, an air cylinder 105 is arranged between the connecting plate 104 and the driving device body 2, the model of the air cylinder 105 can be DSNU-16-25, an inclined plate 106 is movably arranged at the side surface of the third main frame 103, a connecting shaft 111 is fixedly connected with the top end of the inclined plate 106, and the connecting plate 104 is driven to move upwards by a cylinder 105, so that the connecting plate 104 can drive the main frame 1 to move towards the ground, and the portable steel bar transportation trolley can be more convenient and the portable steel bar transportation trolley can be transported with a stable length.
The protection structure 3 comprises a first protection plate 301 positioned in the second main frame 102, a second protection plate 302 and a third protection plate 303 are sequentially arranged at two ends of the first protection plate 301, a limit opening 108 is formed in the tops of the first main frame 101, the second main frame 102 and the third main frame 103, the tops of the first protection plate 301, the second protection plate 302 and the third protection plate 303 are positioned in the limit opening 108, two second protection plates 302 and two third protection plates 303 are fixedly connected through a first positioning plate 304 and a second positioning plate 305 respectively, a positioning block 306 extending to the lower side of the inclined plate 106 is fixedly connected to the side surface of the second positioning plate 305, a fixed opening 109 is formed in the inner side of the third main frame 103, the fixed opening 109 is movably penetrated by the positioning block 306, the inclined plate 106 is upwards rotated through the arrangement of the inclined plate 106, the inclined plate 106 is vertical to the ground, afterwards, the first positioning plate 304 moves upwards, so that the first positioning plate 304 can drive the protective structure 3 to move upwards, and the protective structure 3 can drive the positioning block 306 to move upwards through the second positioning plate 305, so that the positioning block 306 can fix the position of the movable inclined plate 106, the protective structure 3 and the inclined plate 106 can jointly surround the light reinforcing steel bars on the surface of the main frame structure 1, the protective effect is achieved, the condition that the light reinforcing steel bars accidentally drop in the transportation process is avoided, a connecting structure 4 is arranged among the first protective plate 301, the first positioning plate 304 and the second positioning plate 305, the connecting structure 4 comprises a first fixing plate 401 and a second fixing plate 402, fixing grooves 403 are respectively formed in the first fixing plate 401 and the second fixing plate 402, one ends of the first fixing plate 401 and the second fixing plate 402 respectively extend to the inner parts of the opposite fixing grooves 403, the motor 6 is fixedly installed in the first main frame 101, the model of the motor 6 can be YE2-100, a screw rod 7 is fixedly connected to an output shaft of the motor 6, a nut seat 8 located in the first locating plate 304 is movably installed on the surface of the screw rod 7, balls are arranged in the nut seat 8, and the nut seat 8 axially moves along threads on the surface of the screw rod 7 through the balls.
The extending structure 5 comprises a rotating rod 501 positioned in the inner wall of the first main frame 101, a supporting spring 503 is fixedly arranged in the rotating rod 501, an extending rod 504 is fixedly connected to the top of the supporting spring 503, a connecting rope 505 is arranged between the extending rod 504 and the second main frame 102, the second main frame 102 and the third main frame 103 are respectively moved to two sides of the first main frame 101 through the arrangement of the second main frame 102 and the third main frame 103, the second main frame 102 and the third main frame 103 can drive the rotating rod 501 to rotate through the connecting rope 505, and the connecting rope 505 is used for pulling the extending rod 504, so that the distance between the first main frame 101, the second main frame 102 and the third main frame 103 is increased, light reinforcing steel bars with longer sizes can be transported conveniently, the effect of being convenient for adjusting the transportation length is achieved, and the practicability is improved.
As a specific technical solution of this embodiment, the side surface of the third main frame 103 is fixedly provided with a supporting plate 107, the side surface of the supporting plate 107 is attached to the side surface of the sloping plate 106, and the side surface of the supporting plate 107 is attached to the side surface of the sloping plate 106, so that the supporting plate 107 can support the position where the sloping plate 106 naturally hangs down, and the supporting effect is achieved.
As a specific technical solution of this embodiment, the bottoms of the second main frame 102 and the third main frame 103 are provided with the pulleys 110, the pulleys 110 are located on the surface of the connecting plate 104, and the pulleys 110 are located on the surface of the connecting plate 104, so that the connecting plate 104 can support the positions of the second main frame 102 and the third main frame 103 through the pulleys 110, and simultaneously, friction resistance among the connecting plate 104, the second main frame 102 and the third main frame 103 is reduced, and an effect of moving the second main frame 102 and the third main frame 103 conveniently is achieved.
As a specific technical scheme of this embodiment, the fixing block 307 is fixedly installed inside the positioning block 306, the fixing block 307 is slidably connected with the side surface of the third main frame 103, and the fixing block 307 is slidably connected with the side surface of the third main frame 103, so that the fixing block 307 can control the relative position of the third main frame 103 and the positioning block 306, and the effect of controlling the position is achieved.
As a specific technical scheme of this embodiment, a connecting spring 502 is fixedly connected to the inner wall of the first main frame 101, one end of the connecting spring 502 is fixedly connected to the side surface of the rotating rod 501, and one end of the connecting spring 502 is fixedly connected to the side surface of the rotating rod 501, so that the resilience of the connecting spring 502 can drive the rotating rod 501 to rotate back to the original position, thereby achieving the effect of automatic return.
As a specific technical scheme of this embodiment, a movable shaft 507 is fixedly connected to the inner wall of the first main frame 101, one end of the rotating rod 501 is movably sleeved on the surface of the movable shaft 507, an auxiliary shaft 506 sliding with the connecting rope 505 is installed in the inner wall of the second main frame 102, and the connecting rope 505 and the auxiliary shaft 506 are utilized to slide mutually, so that the auxiliary shaft 506 can provide a steering pivot for the connecting rope 505, thereby achieving the effect of conveniently rotating the extending rod 504 and the rotating rod 501.
When the novel steel bar lifting device is used, light steel bars are placed on the surfaces of the first main frame 101, the second main frame 102 and the third main frame 103, then the second main frame 102 and the third main frame 103 are horizontally pulled, the second main frame 102 and the third main frame 103 are enabled to move in the direction away from the first main frame 101, the second main frame 102 and the third main frame 103 can drive the rotating rod 501 to rotate through the connecting rope 505, the connecting rope 505 pulls the extension rod 504, the connecting spring 502 and the supporting spring 503 are stretched, then the inclined plate 106 is upwards rotated, the inclined plate 106 is enabled to be vertical to the ground, meanwhile, the motor 6 is started, the motor 6 drives the screw rod 7 to rotate, the screw rod 7 can drive the first positioning plate 304 to move upwards through the nut seat 8, the first positioning plate 301, the second protection plate 302 and the third protection plate 303 can drive the positioning plate 306 to move upwards, the positioning plate 306 can fix the position after the moving of the positioning plate 306 through the connecting rope 505, the protecting structure 3 and the main frame 106 can encircle the main frame 1, the light cylinder 105 can be driven by the light cylinder 104 to move, and the air cylinder 104 can be driven by the light cylinder 2 to move, and the distance between the main frame 1 and the connecting plate 2 can be driven to move, and the connecting plate 2 can be driven to the ground, and the distance between the main frame 1 and the driving device is enabled to move.
In summary, the second main frame 102 and the third main frame 103 are respectively moved to two sides of the first main frame 101, so that the second main frame 102 and the third main frame 103 can drive the rotating rod 501 to rotate through the connecting rope 505, and the connecting rope 505 pulls the extension rod 504, so that the distance between the first main frame 101, the second main frame 102 and the third main frame 103 is increased, the longer-sized portable steel bars can be conveniently transported, the effect of conveniently adjusting the transportation length is achieved, and the practicability is improved; through setting up the swash plate 106 and upwards rotating, make swash plate 106 perpendicular to the ground, afterwards upwards move through first locating plate 304, make first locating plate 304 can drive protective structure 3 upwards move, and make protective structure 3 can drive locating piece 306 upwards move through second locating plate 305, make locating piece 306 can fix the position after swash plate 106 moves, make protective structure 3 and swash plate 106 can surround the portable reinforcing bar on the surface of main frame structure 1 jointly, the effect of protecting is reached, the condition that the unexpected drop appears in the in-process of transportation of portable reinforcing bar has been avoided; the connecting plate 104 is driven to move upwards by the cylinder 105, so that the connecting plate 104 can drive the main frame structure 1 to move upwards, the distance between the main frame structure 1 and the ground is increased, the transportation of the portable steel bars by the transportation trolley is facilitated, the transportation effect is achieved, and the transportation trolley can stably transport the portable steel bars with different lengths.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a light steel bar transportation platform truck, includes main frame structure (1), its characterized in that: the bottom of the main frame structure (1) is provided with a driving equipment body (2), and the inside of the main frame structure (1) is provided with a protection structure (3);
the main frame structure (1) comprises a first main frame (101) positioned at the top of a driving device body (2), a second main frame (102) and a third main frame (103) are respectively arranged on two sides of the first main frame (101), an extension structure (5) is arranged between the inner walls of the first main frame (101), the second main frame (102) and the third main frame (103), a connecting plate (104) is fixedly arranged at the bottom of the first main frame (101), an air cylinder (105) is arranged between the connecting plate (104) and the driving device body (2), and an inclined plate (106) is movably arranged on the side face of the third main frame (103);
the protection structure (3) comprises a first protection plate (301) positioned in a second main frame (102), a second protection plate (302) and a third protection plate (303) are sequentially arranged at two ends of the first protection plate (301), two protection plates (302) and two third protection plates (303) are fixedly connected through a first positioning plate (304) and a second positioning plate (305) respectively, a positioning block (306) extending to the lower part of the inclined plate (106) is fixedly connected to the side surface of the second positioning plate (305), a connecting structure (4) is arranged among the first protection plate (301), the first positioning plate (304) and the second positioning plate (305), a motor (6) is fixedly arranged in the first main frame (101), a screw rod (7) is fixedly connected to an output shaft of the motor (6), and a nut seat (8) positioned in the first positioning plate (304) is movably arranged on the surface of the screw rod (7);
the extension structure (5) comprises a rotating rod (501) positioned in the inner wall of the first main frame (101), a supporting spring (503) is fixedly arranged in the rotating rod (501), an extension rod (504) is fixedly connected to the top of the supporting spring (503), and a connecting rope (505) is arranged between the extension rod (504) and the second main frame (102).
2. A portable rebar transportation trolley according to claim 1, wherein: the side face of the third main frame (103) is fixedly provided with a supporting plate (107), and the side face of the supporting plate (107) is attached to the side face of the sloping plate (106).
3. A portable rebar transportation trolley according to claim 1, wherein: limiting openings (108) are formed in the tops of the first main frame (101), the second main frame (102) and the third main frame (103), and the tops of the first protection plate (301), the second protection plate (302) and the third protection plate (303) are located in the limiting openings (108).
4. A portable rebar transportation trolley according to claim 1, wherein: a fixed opening (109) is formed in the third main frame (103), and the fixed opening (109) is movably penetrated by a positioning block (306).
5. A portable rebar transportation trolley according to claim 1, wherein: pulleys (110) are arranged at the bottoms of the second main frame (102) and the third main frame (103), and the pulleys (110) are positioned on the surface of the connecting plate (104).
6. A portable rebar transportation trolley according to claim 1, wherein: the side face of the third main frame (103) is movably provided with a connecting shaft (111), and the surface of the connecting shaft (111) is fixedly connected with the top end of the inclined plate (106).
7. A portable rebar transportation trolley according to claim 1, wherein: a fixed block (307) is fixedly arranged in the positioning block (306), and the fixed block (307) is in sliding connection with the side face of the third main frame (103).
8. A portable rebar transportation trolley according to claim 1, wherein: the connecting structure (4) comprises a first fixing plate (401) and a second fixing plate (402), fixing grooves (403) are formed in the first fixing plate (401) and the second fixing plate (402), and one ends of the first fixing plate (401) and the second fixing plate (402) extend to the inner parts of the fixing grooves (403) of the other side respectively.
9. A portable rebar transportation trolley according to claim 1, wherein: a connecting spring (502) is fixedly connected in the inner wall of the first main frame (101), and one end of the connecting spring (502) is fixedly connected with the side face of the rotating rod (501).
10. A portable rebar transportation trolley according to claim 1, wherein: a movable shaft (507) is fixedly connected in the inner wall of the first main frame (101), one end of the rotating rod (501) is movably sleeved on the surface of the movable shaft (507), and an auxiliary shaft (506) sliding with the connecting rope (505) is arranged in the inner wall of the second main frame (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111159310.4A CN113942586B (en) | 2021-09-30 | 2021-09-30 | Portable steel bar transportation trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111159310.4A CN113942586B (en) | 2021-09-30 | 2021-09-30 | Portable steel bar transportation trolley |
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| Publication Number | Publication Date |
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| CN113942586A CN113942586A (en) | 2022-01-18 |
| CN113942586B true CN113942586B (en) | 2024-04-05 |
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| CN202111159310.4A Active CN113942586B (en) | 2021-09-30 | 2021-09-30 | Portable steel bar transportation trolley |
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