CN110901495B - Dumper overturning unloading structure and operation method thereof - Google Patents
Dumper overturning unloading structure and operation method thereof Download PDFInfo
- Publication number
- CN110901495B CN110901495B CN201911259512.9A CN201911259512A CN110901495B CN 110901495 B CN110901495 B CN 110901495B CN 201911259512 A CN201911259512 A CN 201911259512A CN 110901495 B CN110901495 B CN 110901495B
- Authority
- CN
- China
- Prior art keywords
- fixed
- plate
- oil cylinder
- overturning
- supporting
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 19
- 230000007306 turnover Effects 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 16
- 230000008859 change Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000006698 induction Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
- B60P1/16—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Specific Conveyance Elements (AREA)
Abstract
The invention discloses a dumper overturning and discharging structure which comprises a base and an overturning device arranged on the base, wherein the overturning device comprises a lifting device and a lifting device; the base comprises a square box body, two positioning columns and two supporting columns are vertically fixed at the positions of four top corners of the upper surface of the square box body, a first mounting seat is further fixed at the edge position of the upper surface of the square box body, a second oil cylinder is movably mounted on the first mounting seat, the base part of the second oil cylinder is rotatably connected with the first mounting seat, and the piston end of the second oil cylinder is movably mounted on the turnover device; two bearing columns and a connecting frame are fixed at four vertex angles of the lower surface of a material box of the turnover device, a second mounting seat is fixed on the lower surface of the material box, and the second mounting seat is movably connected with a piston end of a second oil cylinder. According to the invention, through the arrangement of the locking mechanism and the angle induction plate, the stability of the transportation process and the stability of the unloading process can be ensured, the automatic unloading process can be completed, the operation is easy, the working efficiency is high, and the automatic unloading device is suitable for unloading of a dumper.
Description
Technical Field
The invention belongs to the technical field of dumper trucks, and particularly relates to a dumper overturning and discharging structure and an operation method thereof.
Background
The dump truck refers to a vehicle which unloads cargos by self through hydraulic or mechanical lifting. Also known as dump trucks. The hydraulic lifting device consists of an automobile chassis, a hydraulic lifting mechanism, a cargo compartment, a power take-off device and the like. The carriage of the self-discharging vehicle is divided into backward tilting and lateral tilting, the backward tilting is common, and the carriage of the self-discharging vehicle is slightly tilted in two directions. When unloading, the piston rod is controlled by the control system to move, so that the carriage can be stopped at any required inclined position, and the carriage is reset by self gravity and hydraulic control. The loading carriage can automatically tip over for a certain angle to unload materials, so that the unloading time and labor force are greatly saved, the transportation period is shortened, the production efficiency is improved, the transportation cost is reduced, and the loading carriage is a common special transportation vehicle.
However, the bin of the existing dump truck is not provided with a fixed locking mechanism, so that the situation of swinging of the bin is easy to occur when the bin encounters a bumpy road section or a road section with poor road conditions in the transportation process, the uniformity of transported articles is influenced, and the pressure of a power mechanism is increased; in addition, the dumping compartment is difficult to accurately master the overturning angle, great impact force can be brought to the frame, and certain difficulty and inconvenience are brought to the current transportation.
Disclosure of Invention
The invention aims to provide a dumper overturning and discharging structure and an operation method thereof, wherein a material box can be effectively fixed through the arrangement of a locking device, the problem of material box swinging caused by bumping and collision in the transportation process can be prevented, the transportation stability is improved, and the engagement fixing mode of a locking hook and a locking hook hanging plate controlled by an oil cylinder is simple and easy to operate; through the setting of angle tablet, can be constantly clear the upset angle that reflects the workbin, can make the workbin unload the process under the stage formula upset angle of settlement, can effectively prevent because the not thorough condition of unloading or unloading too violently that can not accurate control upset angle result in, guarantee the stability of whole framework.
The purpose of the invention can be realized by the following technical scheme:
a dumper overturning and discharging structure comprises a base and an overturning device arranged on the base;
the base comprises a square box body, two positioning columns and two supporting columns are vertically fixed at four vertex angle positions of the upper surface of the square box body, each positioning column comprises a first supporting plate, each first supporting plate is fixed on the upper surface of the square box body through a bolt, three first side plates are fixed on the first supporting plates, a first cover plate is fixed at the other end of each first side plate, a first connecting rod is fixed between every two opposite first side plates, a first connecting block is fixed on the surface of the other first side plate, locking devices are movably mounted on the first connecting rods and the first connecting blocks, each supporting column comprises a second supporting plate, the second supporting plates are fixed on the upper surface of the square box body through bolts, two second side plates which are oppositely arranged are fixed on the upper surface of the second supporting plate, and a second connecting rod is fixed between the second side plates; an angle sensing plate is further fixed on the surface of one second side plate, and an angle sensor is mounted on the angle sensing plate; a first mounting seat is further fixed at the edge position of the upper surface of the square box body, a second oil cylinder is movably mounted on the first mounting seat, a base part of the second oil cylinder is rotatably connected with the first mounting seat, and a piston end of the second oil cylinder is movably mounted on the turnover device;
the turnover device comprises a material box, two bearing columns and a connecting frame are fixed at four vertex angles of the lower surface of the material box, each bearing column comprises a third supporting plate, each third supporting plate is fixed on the lower surface of the material box through a bearing, two third side plates are fixed on the surfaces of the third supporting plates, a third connecting plate is fixed at the other end of each third side plate, and a latch hook hanging plate is fixed on the upper surface of each third connecting plate; the connecting frame comprises two fourth connecting plates which are oppositely arranged, and the fourth connecting plates are movably arranged on the supporting columns; and a second mounting seat is fixed on the lower surface of the material box and is movably connected with the piston end of the second oil cylinder.
Furthermore, the square box body is detachably connected with the dump truck.
Further, the first support plate, the first side plate and the first cover plate form a square column shape.
Furthermore, locking device includes the locking hook, and the locking hook rotates with the head rod to be connected, and locking hook swing joint has the piston end of first hydro-cylinder, and the base movable mounting of first hydro-cylinder is on first connecting block.
Further, a cross beam is fixed between the two support columns.
Further, the fourth connecting plate is rotatably connected with the second connecting rod.
An operation method of a dumper overturning and discharging structure comprises the following steps:
firstly, placing materials to be transported in a material box, controlling a piston end of a first oil cylinder to jack upwards, and enabling a hook end part of a locking hook to be hung on a locking hook hanging plate to lock the whole material box;
secondly, when the material is discharged, controlling the piston end of the first oil cylinder to retract, separating the locking hook from the locking hook hanging plate, loosening the locking of the bearing column, controlling the piston end of the second oil cylinder to move upwards, slowly pushing the material box upwards, observing the change condition of the overturning angle of the material box displayed by the angle induction plate, and stopping the movement of the first oil cylinder when the required angle is reached;
thirdly, increasing the overturning angle of the material box in a staged manner, and carrying out a discharging process;
and fourthly, after the unloading is finished, returning the second oil cylinder to enable the material box to return to the original position, locking the bearing column and finishing the unloading operation.
The invention has the beneficial effects that:
according to the invention, through the arrangement of the locking device, the material box can be effectively fixed, the problem of swinging of the material box caused by bumping and collision in the transportation process can be prevented, the transportation stability is improved, and the engagement fixing mode of the locking hook and the locking hook hanging plate controlled by the oil cylinder is simple and easy to operate; through the arrangement of the angle sensing plate, the turnover angle of the material box can be clearly reflected constantly, the material box can be subjected to a discharging process under a set stage turnover angle, the condition that the discharging is not thorough or too violent due to the fact that the turnover angle cannot be accurately controlled can be effectively prevented, and the stability of the whole framework is ensured; the invention can not only ensure the stability of the transportation process, but also ensure the stability of the unloading process, can complete the automatic unloading process, is easy to operate, has high working efficiency and is suitable for unloading of the dumper.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
Fig. 1 is a schematic structural diagram of a dumper overturning and unloading structure.
Fig. 2 is a structural schematic diagram of a base of the dump truck overturning and discharging structure.
Fig. 3 is a partial structural schematic view of fig. 2.
Fig. 4 is a partial structural schematic view of fig. 3.
Fig. 5 is a structural schematic diagram of a base of the dump truck overturning and discharging structure.
Fig. 6 is a schematic structural diagram of a turnover device of the turnover unloading structure of the dump truck.
Fig. 7 is a schematic structural diagram of a turnover device of the turnover unloading structure of the dump truck.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a dump truck turning and discharging structure and an operation method thereof are shown in fig. 1, and include a base 1 and a turning device 2 installed on the base 1;
as shown in fig. 2, the base 1 comprises a square box body 11, and the square box body 11 is detachably connected with the dump truck; the upper surface of the square box body 11 is provided with a material storage device 3; two positioning columns 12 and two supporting columns 13 are vertically fixed at four top corners of the upper surface of the square box 11, specifically, as shown in fig. 3, the positioning columns 12 include a first supporting plate 1201, the first supporting plate 1201 is fixed on the upper surface of the square box 11 by bolts, three first side plates 1202 are integrally formed and fixed on the first supporting plate 1201, a first cover plate 1203 is fixed at the other end of the first side plate 1202, the first supporting plate 1201, the first side plate 1202 and the first cover plate 1203 form a square column, a first connecting rod 1204 is fixed between two opposite first side plates 1202, a first connecting block 1205 is fixed on the surface of the other first side plate 1202, locking devices 13 are movably installed on the first connecting rod 1204 and the first connecting block 1205, specifically, the locking device 14 includes a locking hook 1401, the locking hook 1401 is rotatably connected with the first connecting rod 1204, and the locking hook 1401 is movably connected with a piston end of a first cylinder 1402, the base of the first cylinder 1402 is movably mounted on the first connecting block 1205; the supporting column 13 comprises a second supporting plate 1301, the second supporting plate 1301 is fixed on the upper surface of the square box body 11 through bolts, two second side plates 1302 arranged oppositely are fixed on the upper surface of the second supporting plate 1301, and a second connecting rod 1303 is fixed between the second side plates 1302; it should be noted that an angle sensing plate 1304 is further fixed on the surface of one of the second side plates 1302, and an angle sensor is mounted on the angle sensing plate 1304 and can detect the turning angle of the turning device; a cross beam 15 is fixed between the two support columns 13 to play a role in stabilizing; a first mounting seat 16 is further fixed at the edge position of the upper surface of the square box body 11, a second oil cylinder 17 is movably mounted on the first mounting seat 16, the base part of the second oil cylinder 17 is rotatably connected with the first mounting seat 16, and the piston end of the second oil cylinder 17 is movably mounted on the turnover device 2;
as shown in fig. 5 and 6, the turnover device 2 comprises a bin 21, and the bin 21 is used for containing transportation materials; two bearing columns 22 and connecting frames 23 are fixed at four vertex angles of the lower surface of the material box 21, specifically, the bearing columns 22 comprise a third supporting plate 2201, the third supporting plate 2201 is fixed on the lower surface of the material box 21 through bearings, two third side plates 2202 are fixed on the surface of the third supporting plate 2201, a third connecting plate 2203 is fixed at the other end of the third side plate 2202, and a latch hook hanging plate 2204 is fixed on the upper surface of the third connecting plate 2203; the connecting frame 23 comprises two oppositely arranged fourth connecting plates, the fourth connecting plates are movably mounted on the supporting columns 13, and specifically, the fourth connecting plates are rotatably connected with the second connecting rods 1303; a second mounting seat 24 is fixed on the lower surface of the feed box 21, and the second mounting seat 24 is movably connected with the piston end of the second oil cylinder 17;
the operation method of the turnover mechanism comprises the following steps:
firstly, materials to be transported are placed in a material box 21, the piston end of a first oil cylinder 1402 is controlled to be pushed upwards, the hook end portion of a locking hook 1401 is connected to a locking hook hanging plate 2204 in a hanging mode, the whole material box 21 is locked, the material box 21 can be effectively fixed, the problem of material box swinging caused by bumping and collision in the transportation process can be prevented, the transportation stability is improved, and the engagement fixing mode of the locking hook and the locking hook hanging plate through the oil cylinder is simple and easy to operate;
secondly, when the position to be unloaded is reached, the piston end of the first oil cylinder 1402 is controlled to retract, the locking hook 1401 is separated from the locking hook hanging plate 2204, the locking of the bearing column 22 is released, the piston end of the second oil cylinder 17 is controlled to move upwards, the material box 21 is slowly pushed upwards, the change condition of the overturning angle of the material box 21 displayed by the angle sensing plate 1304 is observed, and when the required angle is reached, the movement of the first oil cylinder 1402 is stopped;
thirdly, the overturning angle of the material box 21 is increased in a staged manner, and the unloading process is carried out; the arrangement of the angle sensing plate 1304 can clearly reflect the turnover angle of the material box 21 at any time, so that the material box 21 can carry out the unloading process under the set turnover angle, the condition of incomplete unloading or too violent unloading caused by incapability of controlling the turnover angle can be effectively prevented, and the stability of the whole framework is ensured;
and fourthly, after the unloading is finished, returning the second oil cylinder 17 to enable the material box 21 to return to the original position, locking the bearing column 22 and finishing the unloading operation.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the accompanying claims.
Claims (5)
1. A dumper overturning and discharging structure is characterized by comprising a base (1) and an overturning device (2) arranged on the base (1);
the base (1) comprises a square box body (11), two positioning columns (12) and two supporting columns (13) are vertically fixed at four vertex angles of the upper surface of the square box body (11), each positioning column (12) comprises a first supporting plate (1201), the first supporting plates (1201) are fixed on the upper surface of the square box body (11) through bolts, three first side plates (1202) are fixed on the first supporting plates (1201), a first cover plate (1203) is fixed at the other end of each first side plate (1202), a first connecting rod (1204) is fixed between the two opposite first side plates (1202), a first connecting block (1205) is fixed on the surface of the other first side plate (1202), locking devices (14) are movably installed on the first connecting rods (1204) and the first connecting blocks (1205), each supporting column (13) comprises a second supporting plate (1301), and the second supporting plates (1301) are fixed on the upper surface of the square box body (11) through bolts, two second side plates (1302) which are arranged oppositely are fixed on the upper surface of the second supporting plate (1301), and a second connecting rod (1303) is fixed between the second side plates (1302); an angle sensing plate (1304) is further fixed on the surface of one of the second side plates (1302), and an angle sensor is mounted on the angle sensing plate (1304); a first mounting seat (16) is further fixed at the edge position of the upper surface of the square box body (11), a second oil cylinder (17) is movably mounted on the first mounting seat (16), the base part of the second oil cylinder (17) is rotatably connected with the first mounting seat (16), and the piston end of the second oil cylinder (17) is movably mounted on the turnover device (2);
the turnover device (2) comprises a material box (21), two bearing columns (22) and connecting frames (23) are fixed at four vertex angles of the lower surface of the material box (21), each bearing column (22) comprises a third supporting plate (2201), each third supporting plate (2201) is fixed to the lower surface of the material box (21) through a bearing, two third side plates (2202) are fixed to the surface of each third supporting plate (2201), a third connecting plate (2203) is fixed to the other end of each third side plate (2202), and a hanging hook (2204) is fixed to the upper surface of each third connecting plate (2203); the connecting frame (23) comprises two fourth connecting plates which are oppositely arranged, and the fourth connecting plates are movably arranged on the supporting columns (13); a second mounting seat (24) is fixed on the lower surface of the feed box (21), and the second mounting seat (24) is movably connected with the piston end of the second oil cylinder (17);
the locking device (14) comprises a locking hook (1401), the locking hook (1401) is rotatably connected with a first connecting rod (1204), the locking hook (1401) is movably connected with a piston end of a first oil cylinder (1402), and a base of the first oil cylinder (1402) is movably arranged on a first connecting block (1205);
the operation method of the dumper overturning and discharging structure comprises the following steps:
firstly, placing materials to be transported in a bin (21), controlling the piston end of a first oil cylinder (1402) to be pushed upwards, and enabling the hook end part of a locking hook (1401) to be hung on a locking hook hanging plate (2204) to lock the whole bin (21);
secondly, when the position to be unloaded is reached, the piston end of the first oil cylinder (1402) is controlled to retract, the locking hook (1401) is separated from the locking hook hanging plate (2204), the locking of the bearing column (22) is released, the piston end of the second oil cylinder (17) is controlled to move upwards, the material box (21) is slowly pushed upwards, the change condition of the overturning angle of the material box (21) displayed by the angle sensing plate (1304) is observed, and when the required angle is reached, the movement of the first oil cylinder (1402) is stopped;
thirdly, the overturning angle of the material box (21) is increased in a staged manner, and the unloading process is carried out;
and fourthly, after the unloading is finished, returning the second oil cylinder (17) to enable the material box (21) to return to the original position, locking the bearing column (22) and finishing the unloading operation.
2. The dumper overturning and discharging structure according to claim 1, wherein the square box body (11) is detachably connected with the dumper.
3. The dumper overturning and discharging structure according to claim 1, wherein the first supporting plate (1201), the first side plate (1202) and the first cover plate (1203) form a square column.
4. The dumper overturning and discharging structure according to claim 1, wherein a cross beam (15) is further fixed between the two supporting columns (13).
5. The dumper overturning and discharging structure according to claim 1, wherein the fourth connecting plate is rotatably connected with a second connecting rod (1303).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911259512.9A CN110901495B (en) | 2019-12-10 | 2019-12-10 | Dumper overturning unloading structure and operation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911259512.9A CN110901495B (en) | 2019-12-10 | 2019-12-10 | Dumper overturning unloading structure and operation method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110901495A CN110901495A (en) | 2020-03-24 |
CN110901495B true CN110901495B (en) | 2021-07-27 |
Family
ID=69824006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911259512.9A Expired - Fee Related CN110901495B (en) | 2019-12-10 | 2019-12-10 | Dumper overturning unloading structure and operation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110901495B (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2041261U (en) * | 1988-09-14 | 1989-07-19 | 广西南宁专用汽车改装厂 | Safety device |
CN102652076A (en) * | 2009-12-10 | 2012-08-29 | 日立建机株式会社 | Dump truck tip-over safety device |
CN202974035U (en) * | 2012-11-23 | 2013-06-05 | 北京特种机械研究所 | Reliably pressed support leg locking mechanism |
CN206734164U (en) * | 2017-05-27 | 2017-12-12 | 成都大运汽车集团有限公司 | A kind of container equalizer bar quick-locking device |
CN208646686U (en) * | 2018-08-07 | 2019-03-26 | 福建农业职业技术学院 | A kind of novel and multifunctional agricultural machinery trailer |
CN109515302A (en) * | 2018-11-29 | 2019-03-26 | 攀枝花运力汽车部件制造有限公司 | A kind of equalizer bar locking device of slag-soil truck container |
CN109624845A (en) * | 2019-01-07 | 2019-04-16 | 西安正昌电子股份有限公司 | A kind of Tipper Lifting safety monitoring device and method |
-
2019
- 2019-12-10 CN CN201911259512.9A patent/CN110901495B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2041261U (en) * | 1988-09-14 | 1989-07-19 | 广西南宁专用汽车改装厂 | Safety device |
CN102652076A (en) * | 2009-12-10 | 2012-08-29 | 日立建机株式会社 | Dump truck tip-over safety device |
CN202974035U (en) * | 2012-11-23 | 2013-06-05 | 北京特种机械研究所 | Reliably pressed support leg locking mechanism |
CN206734164U (en) * | 2017-05-27 | 2017-12-12 | 成都大运汽车集团有限公司 | A kind of container equalizer bar quick-locking device |
CN208646686U (en) * | 2018-08-07 | 2019-03-26 | 福建农业职业技术学院 | A kind of novel and multifunctional agricultural machinery trailer |
CN109515302A (en) * | 2018-11-29 | 2019-03-26 | 攀枝花运力汽车部件制造有限公司 | A kind of equalizer bar locking device of slag-soil truck container |
CN109624845A (en) * | 2019-01-07 | 2019-04-16 | 西安正昌电子股份有限公司 | A kind of Tipper Lifting safety monitoring device and method |
Also Published As
Publication number | Publication date |
---|---|
CN110901495A (en) | 2020-03-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203995862U (en) | A kind of rollover dumping lorry | |
CN201834564U (en) | Fast unloading machine for truck | |
CN110901495B (en) | Dumper overturning unloading structure and operation method thereof | |
CN107826018A (en) | A kind of side plate lift lorry easing gear | |
CN113771721A (en) | Side-turning type self-discharging semi-trailer carriage | |
CN208732180U (en) | A kind of compartment positioning device in material loading system | |
CN202480938U (en) | Flat-bottom compartment of horizontal sliding dumper | |
CN216994055U (en) | Dump truck container limiting device | |
CN207523530U (en) | A kind of side plate lift lorry easing gear | |
CN215944409U (en) | Demountable tanker carrier | |
CN210680506U (en) | Dump truck with double-side-turning lifting bottom plate | |
CN110182121B (en) | Back-turning type barrel truck | |
CN219727993U (en) | Dump truck capable of preventing side turning after turning | |
CN112919158A (en) | Container turnover type loading and unloading device | |
CN103204093A (en) | Bidirectional rollover-type dumper box with linked bottom plate and side plates | |
CN209112020U (en) | A kind of parallel-moving type rollover dumping lorry | |
CN219989201U (en) | Hydraulic self-unloading container semitrailer | |
CN214988867U (en) | Rear-turning type hydraulic turning plate | |
CN219806743U (en) | Back-turning type self-unloading freight container | |
CN218892609U (en) | Logistics transportation frame | |
CN218400341U (en) | Supplementary securing device of upset behind special-purpose vehicle car box | |
CN216996771U (en) | Unloader is used in tipper processing | |
CN214779445U (en) | Container turnover type loading and unloading device | |
CN221090616U (en) | Automatic door opening mechanism of tricycle | |
CN218753786U (en) | Discharging device |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |