CN112009344A - Material transportation equipment - Google Patents
Material transportation equipment Download PDFInfo
- Publication number
- CN112009344A CN112009344A CN202010879849.6A CN202010879849A CN112009344A CN 112009344 A CN112009344 A CN 112009344A CN 202010879849 A CN202010879849 A CN 202010879849A CN 112009344 A CN112009344 A CN 112009344A
- Authority
- CN
- China
- Prior art keywords
- tail plate
- hopper
- chassis
- discharge opening
- car hopper
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
-
- 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
Abstract
The invention relates to the technical field of construction machinery, and discloses material transportation equipment, which comprises: a chassis; the car hopper is arranged on the chassis in a rotating mode around a horizontal axis, and a discharge opening is formed in one end of the car hopper; the tail plate is arranged on the discharge opening in a rotating mode around a horizontal axis, the height of the rotating axis of the tail plate is not more than half of the height of the tail plate, when the tail plate closes the discharge opening, the upper end of the tail plate inclines to the outer side away from the car hopper, and when the discharge opening is in an open state, a gap allowing materials to pass through is formed between the car hopper and the lower end of the tail plate; the tail plate driving motor is used for driving the tail plate to rotate relative to the car hopper; and the blocking piece can block the upper end of the tail plate from turning outwards relative to the hopper when the hopper is in a closed state. The material transportation equipment provided by the invention can keep the hopper in a closed state by utilizing the self weight of the materials loaded in the hopper, reduce the starting time and the output torque of the tail plate driving motor, avoid the overload damage of the tail plate driving motor and prolong the service life of the tail plate driving motor.
Description
Technical Field
The invention relates to the technical field of construction machinery, in particular to material transportation equipment.
Background
At present, the material transporting tools commonly used on construction sites comprise a manual trolley and a motor tricycle trolley. The manual trolley has the advantages of low cost, easy operation and the like, and has the defects of small transportation volume, low efficiency, large labor consumption and the like; the motor tricycle increases the carrying capacity and saves manpower, but cannot enter a narrow space, cannot realize autonomous movement, and needs manpower for unloading.
With the rapid development of the construction robot industry, the robot special for transporting materials such as mortar, sand, stones, cement, porcelain granules and the like commonly used in construction sites gradually replaces the manual work for material transportation. In the operation process, the material transportation robot transports the materials from the stock ground to a specified place according to the instruction of the scheduling system. To the material transport robot that car hopper tailboard opened and shut through motor control, because the motor needs to keep the starting condition for a long time to provide certain moment of torsion and make the tailboard keep the closure state, the life-span of motor is reduced by a wide margin.
Therefore, a material transportation device is needed to solve the above technical problems.
Disclosure of Invention
Based on the above, the invention aims to provide a material transportation device, which can keep a hopper in a closed state by using the self weight of materials loaded in the hopper, reduce the starting time and the output torque of a tail plate driving motor, avoid overload damage of the tail plate driving motor, and prolong the service life of the tail plate driving motor.
In order to achieve the purpose, the invention adopts the following technical scheme:
there is provided a material transport apparatus comprising: a chassis; the car hopper is arranged on the chassis in a rotating mode around a horizontal axis, and a discharge opening is formed in one end of the car hopper; the tail plate is arranged on the discharge opening in a rotating mode around a horizontal axis, the height of the rotating axis of the tail plate is not more than half of the height of the tail plate, when the tail plate closes the discharge opening, the upper end of the tail plate inclines to the outer side away from the car hopper, and when the discharge opening is in an open state, a gap allowing materials to pass through is formed between the car hopper and the lower end of the tail plate; the tail plate driving motor is used for driving the tail plate to rotate relative to the car hopper; and when the hopper is in a closed state, the blocking piece can block the upper end of the tail plate from turning outwards relative to the hopper.
After a certain amount of materials are loaded on the hopper of the material transportation equipment, the tail plate driving motor is turned off or the output power is reduced, the upper end of the tail plate is turned outwards to the position of the closed discharge opening under the action of the gravity of the materials in the hopper, the blocking piece blocks the upper end of the tail plate from further turning outwards, and the tail plate is kept at the position of the closed hopper.
As an alternative to the material transportation device, the blocking member is disposed on the discharge opening, the blocking member is located on a side of the tail board facing away from the hopper, and the height of the blocking member is higher than the height of the rotation axis of the tail board; or the blocking piece is positioned on one side of the tail plate close to the vehicle hopper, and the height of the blocking piece is lower than that of the rotation axis of the tail plate; when the hopper is in a closed state, the tail plate presses against the blocking piece.
As an alternative to the material transportation device, the blocking member is disposed at the upper end of the tail board and extends out of the tail board along the horizontal extending direction of the tail board, and when the hopper is in the closed state, the blocking member presses against the upper edge of the hopper side wall from above.
As an optional scheme of the material transportation equipment, the material transportation equipment further comprises: and the overturning driving part is arranged on the chassis and used for driving the car hopper to overturn relative to the chassis.
As an optional scheme of the material transportation device, the turnover driving part adopts an electric push rod, a body of the electric push rod is hinged with the chassis, and an output end of the electric push rod is hinged with the bottom of the car hopper. The electric push rod is favorable for ensuring the overturning stability and controlling the overturning angle and speed precision.
As an optional solution of the material transportation device, the tail plate driving motor drives the tail plate to rotate through a transmission chain mechanism, and the transmission chain mechanism includes: the transmission shaft is rotatably arranged at the bottom of the hopper; the tail plate driving motor drives the transmission shaft to rotate through the primary transmission chain assembly; and the transmission shaft drives the tail plate to rotate through the secondary transmission chain assembly.
As an optional scheme of the material transportation device, the secondary transmission chain assembly is arranged on a side surface of the car hopper, the material transportation device further comprises a dust-proof box, and the secondary transmission chain assembly is arranged in the dust-proof box. The dust-proof box can prevent sand and dust from influencing the operation of the secondary transmission chain component, prolong the service life of the secondary transmission chain component and improve the reliability of the transmission chain mechanism.
As an alternative to the material transport apparatus, the chassis comprises: a frame; the driving wheel can drive the frame to move and is connected with the frame through an independent suspension; and the universal wheel is connected to the bottom of the frame.
As an optional scheme of the material transportation equipment, the material transportation equipment further comprises: and the laser radar is arranged on the chassis and used for scanning the surrounding environment.
As an optional scheme of the material transportation equipment, the material transportation equipment further comprises: and the electric control cabinet is arranged on the chassis, an electric control assembly is arranged in the electric control cabinet, and the electric control assembly is electrically connected with the tail plate driving motor.
Has the advantages that:
after a certain amount of materials are loaded on the hopper of the material transportation equipment, the tail plate driving motor is turned off or the output power is reduced, the upper end of the tail plate is turned outwards to the position of the closed discharge opening under the action of the gravity of the materials in the hopper, the blocking piece blocks the upper end of the tail plate from further turning outwards, and the tail plate is kept at the position of the closed hopper.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and 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 contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of a material transportation device provided by the present invention;
FIG. 2 is a schematic view of a partial structure of a material handling apparatus provided in the present invention;
FIG. 3 is a schematic structural diagram II of the material transportation equipment provided by the invention;
FIG. 4 is a schematic view of the material handling apparatus provided in the present invention in a state where the hopper is turned over;
fig. 5 is a schematic structural diagram of a material transportation device according to another embodiment of the present invention.
In the figure:
1. a chassis; 2. a car hopper; 3. a tail plate; 4. a tailgate drive motor; 5. a blocking member; 6. turning over the driving piece; 7. a drive shaft; 8. a primary drive chain assembly; 9. a secondary drive chain assembly; 10. a dust-proof box; 11. a frame; 12. a drive wheel; 13. an independent suspension; 14. a universal wheel; 15. a laser radar; 16. an electric control cabinet; 17. an interactive panel; 18. a warning light assembly; 19. and a power supply battery.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
As shown in fig. 1 to 4, the present embodiment provides a material transportation device for transporting materials such as mortar and stones, and the material transportation device includes a chassis 1, a car hopper 2, a tail plate 3, a tail plate driving motor 4, and a blocking member 5. Wherein, chassis 1 can remove subaerial, car hopper 2 rotates around horizontal axis and sets up on chassis 1, the one end of car hopper 2 is equipped with the discharge opening, tailboard 3 rotates around horizontal axis and sets up on the discharge opening of car hopper 2, the rotation axis's of tailboard 3 highly is no longer than the half of tailboard 3's height, when tailboard 3 seals the discharge opening, the upper end of tailboard 3 inclines to the outside that deviates from car hopper 2, when the discharge opening is in the open mode, form the clearance that allows the material to pass through between the lower extreme of car hopper 2 and tailboard 3, tailboard driving motor 4 sets up in the bottom of car hopper 2, be used for driving the relative car hopper 2 rotation of tailboard 3. When the hopper 2 is in a closed state, the blocking member 5 can block the upper end of the tail plate 3 from being turned outwards relative to the hopper 2.
The blocking piece 5 is arranged at the tail part of the car hopper 2 and is positioned at one side of the tail plate 3 departing from the car hopper 2, and the height of the blocking piece 5 is higher than that of the rotation axis of the tail plate 3.
Specifically, when the car hopper 2 needs to be unloaded, the lower end of the tail plate 3 is turned outwards, and the materials in the car hopper 2 leave the car hopper 2 from the lower end of the tail plate 3; when materials are loaded, after the hopper 2 is loaded with certain materials, the tail plate driving motor 4 is turned off or the output power is reduced, the upper end of the tail plate 3 is turned outwards to the position of the closed discharge opening under the action of the gravity of the materials in the hopper 2, the blocking piece 5 blocks the upper end of the tail plate 3 from further turning outwards, and the tail plate 3 is kept at the position of the closed hopper 2.
Alternatively, the blocking member 5 is arranged on the discharge opening, as shown in fig. 1-4, the blocking member 5 may be positioned on the side of the tailgate 3 facing away from the hopper 2, and the height of the blocking member 5 is higher than the height of the rotation axis of the tailgate 3; it is also possible that the tailgate 3 is located on the side close to the hopper 2, and the height of the blocking member 5 is lower than the height of the rotation axis of the tailgate 3, and the tailgate 3 is pressed against the blocking member 5 when the hopper 2 is in the closed state. Specifically, under the action of gravity of the materials in the car hopper 2, the upper end of the tail plate 3 is turned outwards, the lower end of the tail plate 3 is turned inwards, and after the tail plate 3 is turned to the position of the closed discharge opening, the tail plate 3 is pressed against the blocking piece 5, so that the car hopper 2 is kept in a closed state. In the present embodiment, the blocking member 5 is provided as a long rod-like structure disposed in the horizontal direction, and both ends thereof are connected to the rear portion of the vehicle body 2. In other embodiments of the present invention, the blocking member 5 may be configured as a short rod-shaped structure, and two or more blocking members 5 are respectively fixed on two side walls of the end of the hopper 2 where the discharge opening is provided.
Optionally, the height of the rotation axis of the tail plate 3 is equal to the height of the quartering point of the height of the hopper 2. Further, the lower the rotation axis of the tailgate 3 is at the position of the hopper 2, the less load material is required for the tailgate 3 to be kept in a closed state.
Alternatively, the tailgate 3 may be inclined outwardly at an angle of 20 to 45 degrees in a state where the hopper 2 is closed.
Optionally, the material transportation device further includes an overturning driving member 6, and the overturning driving member 6 is disposed on the chassis 1 and used for driving the car hopper 2 to overturn relative to the chassis 1. In this embodiment, the turnover driving member 6 is an electric push rod, a body of the electric push rod is hinged to the chassis 1, and an output end of the electric push rod is hinged to the bottom of the car hopper 2. Furthermore, the electric push rod adopts a high-thrust industrial electric push rod, so that the overturning stability and the precision of controlling the overturning angle and speed are ensured, and meanwhile, the overturning mechanism has higher overturning force. Of course, other linear actuators such as a cylinder may be used for the tumble actuator 6.
Optionally, the tailgate driving motor 4 drives the tailgate 3 to rotate through the transmission chain mechanism, the transmission chain mechanism comprises a transmission shaft 7, a first-level transmission chain assembly 8 and a second-level transmission chain assembly 9, the transmission shaft 7 is rotatably arranged at the bottom of the car hopper 2, the tailgate driving motor 4 drives the transmission shaft 7 to rotate through the first-level transmission chain assembly 8, and the transmission shaft 7 drives the torque to the rotating shaft of the tailgate 3 through the second-level transmission chain assembly 9.
Specifically, one-level drive chain subassembly 8 includes one-level input sprocket, one-level output sprocket and one-level drive chain, one-level input sprocket and tailboard driving motor 4's output shaft, one-level output sprocket is connected with the interlude of transmission shaft 7, one-level drive chain cover is located on one-level input sprocket and the one-level output sprocket, second grade drive chain subassembly 9 includes second grade input sprocket, second grade output sprocket and second grade drive chain, second grade input sprocket and transmission shaft 7's end connection, second grade output sprocket is connected with the rotation axis of tailboard 3, second grade drive chain cover is located on second grade input sprocket and the second grade output sprocket.
Optionally, the side of car hopper 2 is located to second grade drive chain subassembly 9, and material transportation equipment still includes dust-proof box 10, and during dust-proof box 10 was located to second grade drive chain subassembly 9, dust-proof box 10's setting can prevent that sand and dust from influencing the operation of second grade drive chain subassembly 9, prolongs second grade drive chain subassembly 9's life, improves drive chain mechanism's reliability.
Optionally, two secondary transmission chain assemblies 9 are provided, secondary input chain wheels of the two secondary transmission chain assemblies 9 are respectively connected with two ends of the transmission shaft 7 in a one-to-one correspondence manner, and secondary output chain wheels of the two secondary transmission chain assemblies 9 are respectively connected with two rotating shafts of the tail plate 3, so that the opening and closing stability of the tail plate 3 is improved.
Optionally, the chassis 1 includes a frame 11, a driving wheel 12 and a universal wheel 14, the driving wheel 12 is connected with the frame 11 through an independent suspension 13, the damping performance of the chassis 1 is improved, a walking driving motor is mounted on the driving wheel 12 and can drive the frame 11 to move, and the universal wheel 14 is connected to the bottom of the frame 11 and is used for supporting the frame 11 and turning along with the posture change of the frame 11.
Optionally, material transportation equipment still includes laser radar 15, and laser radar 15 sets up in the front end of chassis 1 for scan the surrounding environment, keep away barrier and navigation function through SLAM (instant location and map construction) technical realization, because laser radar 15 belongs to ripe prior art, no longer give unnecessary details its theory of operation here.
Optionally, the material transportation equipment further includes an electric control cabinet 16, the electric control cabinet 16 is installed on the chassis 1, an electric control assembly is arranged in the electric control cabinet, the electric control assembly can be composed of a single chip microcomputer and/or a programmable logic controller, and the electric control assembly is electrically connected with the tail board driving motor 4, the overturning driving piece 6, the driving wheel 12 and the laser radar 15 to control the tail board driving motor 4, the overturning driving piece 6, the driving wheel 12 and the laser radar 15 to respectively realize functions.
Optionally, an interaction panel 17 is further arranged on the electric control cabinet 16, the interaction panel 17 is electrically connected with the electric control assembly, the operation state of the material transportation equipment can be displayed, and an operator can input a manual control instruction to the electric control assembly through the interaction panel 17.
Optionally, the electric control cabinet 16 is further provided with a warning lamp assembly 18 for displaying the operation condition of the material transportation equipment.
Optionally, the material transportation device further includes a power supply battery 19, and the power supply battery 19 is installed on the chassis 1 and electrically connected to the electronic control assembly, the tailgate driving motor 4, the turnover driving member 6, the driving wheel 12, the laser radar 15, and the interactive panel 17 to supply power to the above components.
When the material transportation equipment is ready to load materials, the overturning driving piece 6 drives the car hopper 2 to restore to the horizontal position, the tail plate driving motor 4 drives the tail plate 3 to rotate to the position for closing the car hopper 2 and output a certain holding torque, and the materials are loaded at the moment. When the height of the materials loaded by the hopper 2 exceeding the rotating shaft of the tail plate 3 reaches a certain value, the tail plate driving motor 4 is closed, the tail plate 3 is pressed against the blocking piece 5 by the self weight of the materials in the hopper 2, and the tail plate 3 is locked.
In another embodiment of the present invention, as shown in fig. 5, the blocking member 5 may also be a convex pillar disposed at the upper end of the tail plate 3, and extends out of the tail plate 3 along the horizontal extending direction of the tail plate 3, when the car hopper 2 is in the closed state, the blocking member 5 presses against the upper edges of the two side walls of the car hopper 2 from above. Specifically, under the action of gravity of materials in the car hopper 2, the upper end of the tail plate 3 is turned outwards, the lower end of the tail plate is turned inwards, and after the tail plate 3 is turned to the position of the closed discharge opening, the blocking piece 5 is pressed against the upper edges of the two side walls of the car hopper 2 to prevent the upper end of the tail plate 3 from further turning outwards, so that the car hopper 2 is kept in a closed state.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A material transport apparatus, comprising:
a chassis (1);
the hopper (2) is arranged on the chassis (1) in a rotating mode around a horizontal axis, and a discharge opening is formed in one end of the hopper (2);
the tail plate (3) is arranged on the discharge opening in a rotating mode around a horizontal axis, the height of the rotating axis of the tail plate (3) is not more than half of the height of the tail plate (3), when the tail plate (3) closes the discharge opening, the upper end of the tail plate (3) inclines to the outer side away from the car hopper (2), and when the discharge opening is in an open state, a gap allowing materials to pass through is formed between the car hopper (2) and the lower end of the tail plate (3);
the tail plate driving motor (4) is used for driving the tail plate (3) to rotate relative to the car hopper (2); and
the blocking piece (5) can block the upper end of the tail plate (3) from turning outwards relative to the car hopper (2) when the tail plate (3) closes the discharge opening.
2. Material transport apparatus according to claim 1, characterized in that the blocking element (5) is arranged on the discharge opening,
the blocking piece (5) is positioned on one side of the tail plate (3) which is far away from the car hopper (2), and the height of the blocking piece (5) is higher than that of the rotation axis of the tail plate (3); alternatively, the first and second electrodes may be,
the blocking piece (5) is positioned on one side of the tail plate (3) close to the hopper (2), and the height of the blocking piece (5) is lower than that of the rotation axis of the tail plate (3);
when the hopper (2) is in a closed state, the tail plate (3) presses against the blocking piece (5).
3. A material transport apparatus according to claim 1, characterized in that the blocking element (5) is arranged at the upper end of the tailgate (3) and projects out of the tailgate (3) in the horizontal extension direction of the tailgate (3), the blocking element (5) being pressed against the upper edge of the side wall of the hopper (2) from above when the hopper (2) is in the closed state.
4. The material transport apparatus of claim 1, further comprising:
and the overturning driving piece (6) is arranged on the chassis (1) and is used for driving the car hopper (2) to overturn relative to the chassis (1).
5. The material transportation equipment as claimed in claim 4, wherein the turnover driving member (6) is an electric push rod, the body of the electric push rod is hinged with the chassis (1), and the output end of the electric push rod is hinged with the bottom of the car hopper (2).
6. The material transport apparatus according to claim 1, wherein the tailgate drive motor (4) drives the tailgate (3) to rotate via a drive chain mechanism, the drive chain mechanism comprising:
the transmission shaft (7) is rotatably arranged at the bottom of the hopper (2);
the tail plate driving motor (4) drives the transmission shaft (7) to rotate through the primary transmission chain assembly (8); and
the transmission shaft (7) drives the tail plate (3) to rotate through the secondary transmission chain assembly (9).
7. The material transport apparatus according to claim 6, characterized in that the secondary drive chain assembly (9) is provided at a side of the hopper (2), the material transport apparatus further comprising a dust box (10), the secondary drive chain assembly (9) being provided in the dust box (10).
8. A material transport apparatus according to claim 1, characterized in that the chassis (1) comprises:
a frame (11);
a driving wheel (12) which can drive the frame (11) to move and is connected with the frame (11) through an independent suspension (13); and
and the universal wheel (14) is connected to the bottom of the frame (11).
9. The material transport apparatus of claim 1, further comprising:
and the laser radar (15) is arranged on the chassis (1) and is used for scanning the surrounding environment.
10. The material transport apparatus of any one of claims 1-9, further comprising:
and the electric control cabinet (16) is arranged on the chassis (1), an electric control assembly is arranged in the electric control cabinet, and the electric control assembly is electrically connected with the tail board driving motor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010879849.6A CN112009344B (en) | 2020-08-27 | 2020-08-27 | Material transportation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010879849.6A CN112009344B (en) | 2020-08-27 | 2020-08-27 | Material transportation equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112009344A true CN112009344A (en) | 2020-12-01 |
| CN112009344B CN112009344B (en) | 2021-06-22 |
Family
ID=73502806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010879849.6A Active CN112009344B (en) | 2020-08-27 | 2020-08-27 | Material transportation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112009344B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114940218A (en) * | 2022-04-29 | 2022-08-26 | 华能伊敏煤电有限责任公司 | Anti-freezing compartment hopper of mining truck |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4068892A (en) * | 1976-12-20 | 1978-01-17 | Welch Rafael J | Tail gate apparatus having an offset pivot axis |
| SU1586936A2 (en) * | 1988-08-22 | 1990-08-23 | Всесоюзный научно-исследовательский и проектный институт по технологии и экономике хранения, транспортировки и механизации внесения в почву минеральных удобрений | Dump truck device for loading farm machines |
| CN205523892U (en) * | 2016-02-25 | 2016-08-31 | 黄秀苹 | Electric automobile with clearance bird dung device |
| CN205769383U (en) * | 2016-05-14 | 2016-12-07 | 鹰潭瑞鑫铜业有限公司 | A kind of copper rod special transport vehicle |
| CN207045406U (en) * | 2017-06-28 | 2018-02-27 | 任海勇 | A kind of construction stack pallet for being easy to discharging |
| CN207875471U (en) * | 2017-12-28 | 2018-09-18 | 天津同力重工有限公司 | A kind of lorry tail-gate enforced opening mechanism |
| CN110254322A (en) * | 2019-06-19 | 2019-09-20 | 刘加华 | A kind of involute roadbed place mat bucket-tipping device |
-
2020
- 2020-08-27 CN CN202010879849.6A patent/CN112009344B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4068892A (en) * | 1976-12-20 | 1978-01-17 | Welch Rafael J | Tail gate apparatus having an offset pivot axis |
| SU1586936A2 (en) * | 1988-08-22 | 1990-08-23 | Всесоюзный научно-исследовательский и проектный институт по технологии и экономике хранения, транспортировки и механизации внесения в почву минеральных удобрений | Dump truck device for loading farm machines |
| CN205523892U (en) * | 2016-02-25 | 2016-08-31 | 黄秀苹 | Electric automobile with clearance bird dung device |
| CN205769383U (en) * | 2016-05-14 | 2016-12-07 | 鹰潭瑞鑫铜业有限公司 | A kind of copper rod special transport vehicle |
| CN207045406U (en) * | 2017-06-28 | 2018-02-27 | 任海勇 | A kind of construction stack pallet for being easy to discharging |
| CN207875471U (en) * | 2017-12-28 | 2018-09-18 | 天津同力重工有限公司 | A kind of lorry tail-gate enforced opening mechanism |
| CN110254322A (en) * | 2019-06-19 | 2019-09-20 | 刘加华 | A kind of involute roadbed place mat bucket-tipping device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114940218A (en) * | 2022-04-29 | 2022-08-26 | 华能伊敏煤电有限责任公司 | Anti-freezing compartment hopper of mining truck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112009344B (en) | 2021-06-22 |
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