CN112026621A - Bulk grain transport vehicle - Google Patents
Bulk grain transport vehicle Download PDFInfo
- Publication number
- CN112026621A CN112026621A CN202011033294.XA CN202011033294A CN112026621A CN 112026621 A CN112026621 A CN 112026621A CN 202011033294 A CN202011033294 A CN 202011033294A CN 112026621 A CN112026621 A CN 112026621A
- Authority
- CN
- China
- Prior art keywords
- truss
- drive roller
- carriage
- swing arm
- hinged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- B60P1/36—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using endless chains or belts thereon
- B60P1/38—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using endless chains or belts thereon forming the main load-transporting element or part thereof
-
- 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
- B60P7/00—Securing or covering of load on vehicles
- B60P7/02—Covering of load
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Framework For Endless Conveyors (AREA)
Abstract
The invention relates to a bulk grain transport vehicle in the technical field of bulk grain transport devices, which comprises a vehicle head and a vehicle box, wherein the vehicle box comprises a loading and unloading conveying mechanism, the loading and unloading conveying mechanism comprises a truss, a conveying belt and a plurality of driving rollers for driving the conveying belt to move, the driving rollers comprise two large driving rollers arranged at two ends of the truss and a plurality of small driving rollers dispersedly arranged on the truss between the two large driving rollers, each driving roller is connected with a hydraulic motor in a matching way, each hydraulic motor is connected with an oil supply main pipe and an oil return main pipe of a hydraulic pump station through an oil pipe, the top of the vehicle box is provided with a left cover plate and a right cover plate, a front box plate of the vehicle box is provided with a cover plate opening and closing mechanism. The invention has the advantages that the high-efficiency and safe opening and closing of the carriage top cover can be realized, the loading and unloading conveying mechanism is convenient to overhaul and maintain, the loading and unloading efficiency of bulk grains is high, and the manufacturing cost of the device is favorably reduced.
Description
Technical Field
The invention belongs to the technical field of bulk grain transportation devices, and particularly relates to a bulk grain transport vehicle.
Background
Current bulk grain transport vechicle structural design is unreasonable, and opening and shutting of railway carriage top cap is neither safe nor convenient, and the discharge apparatus of railway carriage bottom passes through one end drive, and the reliability is poor, overhauls and maintains inconveniently, and the discharge apparatus focus is on the high side, is unfavorable for reducing vehicle manufacturing cost, for this reason, needs to improve urgently.
Disclosure of Invention
In order to solve the technical problems, the invention provides a bulk grain transport vehicle which comprises a vehicle head and a vehicle box, wherein a front chassis with wheels is arranged below the vehicle head, a rear chassis with wheels is arranged at the bottom of the vehicle box, the rear chassis is connected with the front chassis through a traction pin, the vehicle box comprises a box body and a loading and unloading conveying mechanism arranged at the bottom of the box body, the loading and unloading conveying mechanism comprises a truss, a conveying belt and a plurality of driving rollers used for driving the conveying belt to move, the driving rollers comprise two large driving rollers and a plurality of small driving rollers, the outer diameter of the large driving rollers is larger than that of the small driving rollers, the two large driving rollers are respectively arranged at two ends of the truss, the middle of a rotating shaft of each large driving roller is large, the two ends of each large driving roller are small, the small driving rollers are dispersedly arranged on the truss between the, the two ends of the large driving roller and the small driving roller are rotatably connected to the truss, the two ends of the rotating shaft of the large driving roller are flush with the two ends of the rotating shaft of the small driving roller, each driving roller is connected with a hydraulic motor in a matching way, the hydraulic motors are arranged on the same side outside the truss, the side part of the rear chassis is provided with a hydraulic pump station, each hydraulic motor is connected with an oil supply main pipe and an oil return main pipe of the hydraulic pump station through an oil pipe, one end of the oil return main pipe close to the hydraulic pump station is provided with an oil return adjusting valve, the top of the carriage is provided with a left cover plate and a right cover plate, the left cover plate and the right cover plate respectively comprise two sub cover plates hinged along the length direction, the two sub cover plates can be mutually folded along the hinged parts, the front box plate of the carriage is provided with a cover plate opening and closing mechanism capable of opening and, the upper portion of back boxboard articulates there is first hydraulic cylinder, and the lower part is equipped with the discharge door, first hydraulic cylinder's piston rod and discharge door meet relatively, can realize opening and shutting of discharge door through first hydraulic cylinder, first hydraulic cylinder passes through the hydraulic power unit drive.
Preferably, be equipped with a backing roll between two adjacent drive rollers, the both ends and the truss of backing roll rotate to be connected, the specification of little drive roller and backing roll is the same, does benefit to the installation quantity that reduces little drive roller through being provided with of backing roll, is convenient for reduce device manufacturing cost, and little drive roller and backing roll can each other be for reserve simultaneously, help reducing the storage of spare parts, can reduce the fortune dimension cost of device.
Preferably, be close to the quantity of the little drive roller and the backing roll that the truss both ends set up is intensive than the quantity of the little drive roller and the backing roll that the truss middle part set up, according to the distribution of material pile angle and the structural feature of conveyer belt, the atress at loading and unloading transport mechanism both ends is stronger than the atress of middle part, through increasing the quantity of the little drive roller and the backing roll at loading and unloading transport mechanism both ends, is favorable to improving the conveying efficiency of device to extension fixture's life.
Preferably, the both ends of drive roller and backing roll all are connected with the truss through the bearing frame, and bearing frame and truss bolted connection, the drive roller and backing roll all can be taken out from the truss both sides after dismantling the bearing frame, can make things convenient for loading and unloading transport mechanism's maintenance to maintain.
Preferably, the cover plate opening and closing mechanism comprises a first opening mechanism and a second opening mechanism, the first opening mechanism and the second opening mechanism comprise a second hydraulic cylinder, a first swing arm, a second swing arm and a connecting arm, the second hydraulic cylinder is connected below a front box plate of the carriage, the first swing arm is arranged above the second hydraulic cylinder, one end of the first swing arm is hinged to the front box plate of the carriage, the other end of the first swing arm is hinged to the lower end of the connecting arm and a piston rod of the second hydraulic cylinder, the second swing arm is arranged above the first swing arm, the upper end of the connecting arm is hinged to a hinge base in the middle of the second swing arm, one end of the second swing arm is hinged to the front box plate of the carriage, and the other end of the second swing arm is hinged to the front end of one side, away from the side plate, of the left cover plate or the right cover plate. Drive power is provided through the second hydraulic cylinder to drive the left cover plate and the right cover plate of the top of the carriage to open and close fast under the action of the first swing arm, the connecting arm and the second swing arm.
Preferably, guiding mechanism is including articulating first connecting rod and the second connecting rod on the trunk board of railway carriage, the one end that the trunk board of railway carriage was kept away from to first connecting rod is articulated mutually with the rear end that one side of railway carriage curb plate was kept away from to the left apron, the one end that the trunk board was kept away from to the second connecting rod is articulated mutually with the rear end that one side of railway carriage curb plate was kept away from to the right apron, provides the direction support when opening and shutting for the rear end of left side apron and right apron through guiding mechanism, helps reducing the drive load of second hydraulic cylinder.
The invention also comprises other devices or components which can enable the bulk grain transport vehicle to be normally used, and the devices or components are conventional technical means in the field, and in addition, the devices or components which are not limited in the invention adopt the conventional technical means in the field, such as the arrangement of a hydraulic pump station.
The working principle of the invention is that the two large driving rollers are arranged at the two ends of the truss, so that the bending and tensioning of the conveying belt are facilitated, the friction force between the conveying belt and the large driving rollers is ensured, the conveying efficiency is improved, the middle of the rotating shaft of the large driving roller is large, the two ends of the rotating shaft of the large driving roller are small, and the two ends of the rotating shaft of the large driving roller are arranged in parallel with the two ends of the rotating shaft of the small driving roller, so that the installation gravity center of the conveying belt is favorably; through set up a plurality of little drive rollers on the truss between two big drive rollers, help the dispersion of conveyer belt conveying load to reduce the fatigue damage of each hydraulic motor, simultaneously, drive through a plurality of hydraulic motor, even if individual hydraulic motor breaks down, do not influence the holistic conveying of conveyer belt yet, thereby improved the reliability of conveyer belt, guaranteed the conveying efficiency of conveyer belt. The left cover plate and the right cover plate are arranged into two sub cover plates which are hinged along the length direction, so that the turning radius of the cover plate opening and closing mechanism and the turning radius of the guide mechanism are reduced, and the manufacturing cost of the device can be further reduced. Through setting up the return oil governing valve, can in time adjust return pressure according to the device operating condition, prevent that hydraulic system pressure loss is big when the conveyer belt is unloaded and lead to hydraulic motor to appear the asynchronous phenomenon of operation to improve the reliability of device.
The device has the advantages that the device can realize the high-efficiency and safe opening and closing of the top cover of the carriage, the loading and unloading conveying mechanism is convenient to overhaul and maintain and high in reliability, the loading and unloading efficiency of bulk grains can be improved, and meanwhile, the manufacturing cost of the bulk grain transport vehicle is favorably reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic top view of the loading/unloading transfer mechanism of the present invention.
Fig. 3 is a front side structural view of the front box panel of the present invention.
Fig. 4 is a rear side structural view of the rear box panel of the present invention.
Detailed Description
The present invention will be described more clearly with reference to the accompanying drawings, which are included to illustrate and not to limit the present invention. All other embodiments, which can be obtained by those skilled in the art without any inventive step based on the embodiments of the present invention, should be included in the scope of the present invention.
Examples
As shown in fig. 1 to 4, the invention provides a bulk grain transport vehicle, which comprises a vehicle head 1 and a vehicle box 2, wherein a front chassis 3 with wheels is arranged below the vehicle head 1, a rear chassis 4 with wheels is arranged at the bottom of the vehicle box 2, the rear chassis 4 is connected with the front chassis 3 through a traction pin, the vehicle box 2 comprises a box body and a loading and unloading conveying mechanism arranged at the bottom of the box body, the loading and unloading conveying mechanism comprises a truss 5, a conveying belt 6 and a plurality of driving rollers used for driving the conveying belt 6 to move, the driving rollers comprise two large driving rollers 7 and a plurality of small driving rollers 23, the outer diameter of the large driving rollers 7 is larger than that of the small driving rollers 23, the two large driving rollers 7 are respectively arranged at two ends of the truss 5, the middle of the rotating shaft of the large driving rollers 7 is large, the two ends are small, the small driving rollers 23 are dispersedly arranged, the large driving roller 7 and the small driving roller 23 are supported in the conveying belt 6, two ends of the large driving roller 7 and two ends of the small driving roller 23 are rotatably connected to the truss 5, two ends of a rotating shaft of the large driving roller 7 are arranged in parallel with two ends of a rotating shaft of the small driving roller 23, each driving roller is connected with a hydraulic motor 8 in a matching way, the hydraulic motors 8 are arranged at the same side outside the truss 5, a hydraulic pump station 9 is arranged at the side part of the rear chassis 4, each hydraulic motor 8 is connected with an oil supply main pipe and an oil return main pipe of the hydraulic pump station 9 through an oil pipe, an oil return regulating valve is arranged at one end of the oil return main pipe close to the hydraulic pump station 9, a left cover plate 10 and a right cover plate 11 are arranged at the top of the carriage 2, the left cover plate 10 and the right cover plate 11 both comprise two sub cover plates hinged along the length direction, the two sub cover plates can be folded along the hinged parts, a cover plate opening and closing, and a rear box plate 2-2 of the carriage 2 is provided with a guide mechanism 13 for assisting opening and closing of the left cover plate 10 and the right cover plate 11, the upper part of the rear box plate 2-2 is hinged with a first hydraulic oil cylinder 14, the lower part of the rear box plate 2-2 is provided with a discharge door 15, a piston rod of the first hydraulic oil cylinder 14 is connected with the discharge door 15, the opening and closing of the discharge door 15 can be realized through the first hydraulic oil cylinder 14, and the first hydraulic oil cylinder 14 is driven by a hydraulic pump station 9.
Be equipped with a backing roll 16 between two adjacent drive rollers, 16 both ends of backing roll are rotated with truss 5 and are connected, little drive roller 23 is the same with 16 specifications of backing roll, does benefit to the installation quantity that reduces little drive roller 23 through 16 being provided with of backing roll, is convenient for reduce device manufacturing cost, and little drive roller 23 and backing roll 16 can each other be reserve simultaneously, help reducing the storage of spare parts, can reduce the fortune dimension cost of device.
The quantity of the small driving rollers 23 and the supporting rollers 16 which are arranged at the two ends of the truss 5 is more intensive than that of the small driving rollers 23 and the supporting rollers 16 which are arranged at the middle part of the truss 5, the stress at the two ends of the loading and unloading conveying mechanism is stronger than that of the middle part according to the distribution of material stacking angles and the structural characteristics of the conveying belt 6, the quantity of the small driving rollers 23 and the supporting rollers 16 at the two ends of the loading and unloading conveying mechanism is increased, the conveying efficiency of the device is improved, and the service life of the device is prolonged.
The both ends of drive roller and backing roll 16 all are connected with truss 5 through the bearing frame, and bearing frame and 5 bolted connection of truss, drive roller and backing roll 16 all can be taken out from truss 5 both sides after dismantling the bearing frame, can make things convenient for loading and unloading transport mechanism's maintenance to maintain.
The cover plate opening and closing mechanism 12 comprises a first opening mechanism and a second opening mechanism, the first opening mechanism and the second opening mechanism respectively comprise a second hydraulic oil cylinder 17, a first swing arm 18, a second swing arm 19 and a connecting arm 22, the second hydraulic cylinder 17 is connected below the front box plate 2-1 of the carriage 2, the first swing arm 18 is arranged above the second hydraulic cylinder 17, one end of the first swing arm 18 is hinged on the front box plate 2-1 of the carriage 2, the other end is hinged with the lower end of the connecting arm 22 and the piston rod of the second hydraulic cylinder 17, the second swing arm 19 is arranged above the first swing arm 18, the upper end of the connecting arm 22 is hinged with a hinged seat at the middle part of the second swing arm 19, one end of the second swing arm 19 is hinged with the front box plate 2-1 of the compartment 2, and the other end is hinged with the front end of one side of the left cover plate 10 or the right cover plate 11 far away from the side plate of the compartment 2. The driving force is provided by the second hydraulic cylinder 17, and the left cover plate 10 and the right cover plate 11 on the top of the carriage 2 are driven to open and close rapidly under the action of the first swing arm 18, the connecting arm 22 and the second swing arm 19.
The guide mechanism 13 comprises a first connecting rod 20 and a second connecting rod 21 which are hinged to a rear box plate 2-2 of the compartment 2, one end, away from the rear box plate 2-2 of the compartment 2, of the first connecting rod 20 is hinged to the rear end of one side, away from a side plate of the compartment 2, of the left cover plate 10, one end, away from the rear box plate 2-2 of the compartment 2, of the second connecting rod 21 is hinged to the rear end of one side, away from the side plate of the compartment 2, of the right cover plate 11, and guide support in opening and closing is provided for the rear ends of the left cover plate 10 and the right cover plate 11 through the guide mechanism 13, so that the drive load of the second hydraulic cylinder 17.
The working principle of the invention is that the two large driving rollers 7 are arranged at the two ends of the truss 5, which is beneficial to bending and tensioning the conveyer belt 6, ensures the friction force between the conveyer belt 6 and the large driving rollers 7, improves the conveying efficiency, the middle of the rotating shaft of the large driving roller 7 is large, the two ends of the rotating shaft of the large driving roller 7 are small, and the two ends of the rotating shaft of the large driving roller 7 are arranged in parallel with the two ends of the rotating shaft of the small driving roller 23, which is beneficial to reducing the installation gravity center of the conveyer belt 6, thereby reducing; the arrangement of the plurality of small driving rollers 23 on the truss 5 between the two large driving rollers 7 is helpful for the dispersion of the transmission load on the conveyer belt 6, thereby reducing the fatigue damage of each hydraulic motor 8, meanwhile, the driving is carried out by the plurality of hydraulic motors 8, even if the individual hydraulic motor 8 breaks down, the transmission of the whole conveyer belt 6 is not affected, thereby improving the reliability of the conveyer belt 6, ensuring the conveying efficiency of the conveyer belt 6, simultaneously being beneficial for reducing the installation gravity center of the conveyer belt 6, enabling the material transmission to be more efficient, and being beneficial for reducing the manufacturing cost of bulk vehicles, the left cover plate 10 and the right cover plate 11 are arranged into two sub cover plates hinged along the length direction, thereby being beneficial for reducing the turning radius of the cover plate opening and closing mechanism 12 and the guide mechanism 13, and further reducing the manufacturing cost of the device. Through setting up the return oil governing valve, can in time adjust return pressure according to the device operating condition, prevent that hydraulic system pressure loss is big when 6 unloaded leads to hydraulic motor 8 to appear the asynchronous phenomenon of operation to improve the reliability of device.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (6)
1. The bulk grain transport vehicle comprises a vehicle head and a vehicle box, wherein a front chassis with wheels is arranged below the vehicle head, a rear chassis with wheels is arranged at the bottom of the vehicle box, and the rear chassis is connected with the front chassis through a traction pin, and is characterized in that: the railway carriage includes the box and sets up the loading and unloading transport mechanism at the bottom half, loading and unloading transport mechanism includes truss, conveyer belt and a plurality of drive rollers that are used for driving the conveyer belt motion, the drive roller includes two big drive rollers and a plurality of little drive rollers, and the external diameter of big drive roller is greater than the external diameter of little drive roller, two big drive rollers set up respectively at the truss both ends, and big, both ends are little in the middle of the pivot of big drive roller, little drive roller dispersion sets up on the truss between two big drive rollers, and big drive roller and little drive roller all support in the conveyer belt, the both ends of big drive roller and little drive roller are all rotated and are connected on the truss, and the pivot both ends of big drive roller and the pivot both ends parallel and level setting of little drive roller, every drive roller supporting connection has a hydraulic motor, hydraulic motor locates the outer same one side of truss, back, every hydraulic motor all is connected through oil pipe and hydraulic power unit's female pipe of fuel feeding and the female pipe of oil return, and the one end that the female pipe of oil return is close to hydraulic power unit is equipped with the oil return governing valve, the top of railway carriage is equipped with left side apron and right side apron, left side apron and right side apron all include two along length direction looks articulated branch apron, and two branch laps can be folded each other along its articulated portion, be equipped with the apron mechanism that opens and shuts of left side apron and right side apron on the front box board of railway carriage, and be equipped with the guiding mechanism that supplementary left side apron and right side apron opened and shut on the back box board of railway carriage, the upper portion of back box board articulates there is first hydraulic cylinder, and the lower part is equipped with the discharge door, first hydraulic cylinder's piston rod meets with the discharge door mutually, can realize opening and shutting of discharge door through first.
2. The bulk grain transport vehicle of claim 1, wherein: be equipped with a backing roll between two adjacent drive rollers, the both ends and the truss of backing roll rotate to be connected, the specification of little drive roller and backing roll is the same.
3. The bulk grain transport vehicle of claim 2, wherein: the number of the small driving rollers and the number of the supporting rollers which are arranged at the two ends of the truss are more dense than the number of the small driving rollers and the number of the supporting rollers which are arranged at the middle part of the truss.
4. The bulk grain transport vehicle of claim 3, wherein: the both ends of drive roller and backing roll all are connected with the truss through the bearing frame, and bearing frame and truss bolted connection, the truss both sides are taken out all can to follow after dismantling the bearing frame to drive roller and backing roll.
5. The bulk grain transport vehicle according to any one of claims 1 to 4, wherein: the cover plate opening and closing mechanism comprises a first opening mechanism and a second opening mechanism, the first opening mechanism and the second opening mechanism comprise a second hydraulic cylinder, a first swing arm, a second swing arm and a connecting arm, the second hydraulic cylinder is connected below a front box plate of the carriage, the first swing arm is arranged above the second hydraulic cylinder, one end of the first swing arm is hinged to the front box plate of the carriage, the other end of the first swing arm is hinged to the lower end of the connecting arm and a piston rod of the second hydraulic cylinder, the second swing arm is arranged above the first swing arm, the upper end of the connecting arm is hinged to a hinged seat in the middle of the second swing arm, one end of the second swing arm is hinged to the front box plate of the carriage, and the other end of the second swing arm is hinged to the front end of one side, away from the side plate, of the left cover plate or the right cover plate.
6. The bulk grain transport vehicle of claim 5, wherein: the guiding mechanism comprises a first connecting rod and a second connecting rod which are hinged to a rear box plate of the carriage, one end, away from the rear box plate, of the carriage is hinged to the rear end, away from one side of a side plate of the carriage, of the left cover plate, of the first connecting rod, and one end, away from the rear box plate, of the carriage is hinged to the rear end, away from one side of the side plate of the carriage, of the right cover plate, of the second connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011033294.XA CN112026621A (en) | 2020-09-27 | 2020-09-27 | Bulk grain transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011033294.XA CN112026621A (en) | 2020-09-27 | 2020-09-27 | Bulk grain transport vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112026621A true CN112026621A (en) | 2020-12-04 |
Family
ID=73574554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011033294.XA Pending CN112026621A (en) | 2020-09-27 | 2020-09-27 | Bulk grain transport vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112026621A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581048A (en) * | 2021-08-13 | 2021-11-02 | 河南皇马车辆有限公司 | Transmission device of container semi-trailer |
| CN114633050A (en) * | 2022-03-23 | 2022-06-17 | 佛山市阿玛达机械科技有限公司 | Roll-in welding equipment for plate production and processing |
-
2020
- 2020-09-27 CN CN202011033294.XA patent/CN112026621A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581048A (en) * | 2021-08-13 | 2021-11-02 | 河南皇马车辆有限公司 | Transmission device of container semi-trailer |
| CN114633050A (en) * | 2022-03-23 | 2022-06-17 | 佛山市阿玛达机械科技有限公司 | Roll-in welding equipment for plate production and processing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112026621A (en) | Bulk grain transport vehicle | |
| CN104843020B (en) | A kind of railway automatic dumping car | |
| CN107777218A (en) | A kind of underground pipeline transportation goods adapting system | |
| CN102897542B (en) | Dual-gate guide speed control flow-limiting lightering bunker device | |
| CN201721980U (en) | Feeding device | |
| CN212637274U (en) | Bulk grain transport vehicle | |
| CN203306015U (en) | Opening/closing mechanism for bottom doors of railway funneling wagon | |
| CN208120108U (en) | A kind of cargo adapting system | |
| CN201941643U (en) | Carriage side door opening and closing device for automatic dumping car and automatic dumping car comprising same | |
| CN210236499U (en) | Automatic trailer device | |
| CN214326410U (en) | Block material distribution opening and closing device based on transmission connecting rod | |
| CN212952458U (en) | Unloading mechanism for logistics transportation loading box | |
| CN206800133U (en) | A kind of dual-steel wheel road roller for road engineering | |
| CN220200429U (en) | RGV trolley | |
| CN113459935A (en) | All-terrain wind power generation blade transport vehicle | |
| CN207416873U (en) | A kind of bogie and stream carrier vehicle | |
| CN115817313B (en) | Underground trackless ore-transporting truck | |
| CN201371858Y (en) | Articulated steering tractor | |
| CN111422120A (en) | Unloading equipment for express delivery transport vehicle | |
| CN213315532U (en) | Crusher single-roller hydraulic motor driven rolling feeding device | |
| CN220015853U (en) | Tapered bearing roller assembly mechanism | |
| CN220885892U (en) | Coal feeder mechanism for coal feeder | |
| CN217555062U (en) | Electric vertical body machine | |
| CN114902864A (en) | Side-rolling type conveying and unloading transport vehicle of whole-rod type sugarcane harvester | |
| CN215552335U (en) | Lifting device axle for trailer and semitrailer |
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 |