CN112874408A - Automatic lifting device for unloading goods wagon - Google Patents
Automatic lifting device for unloading goods wagon Download PDFInfo
- Publication number
- CN112874408A CN112874408A CN202110120499.XA CN202110120499A CN112874408A CN 112874408 A CN112874408 A CN 112874408A CN 202110120499 A CN202110120499 A CN 202110120499A CN 112874408 A CN112874408 A CN 112874408A
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- CN
- China
- Prior art keywords
- lifting
- tail plate
- unloading
- lifting device
- hole
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- 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.)
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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
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/003—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading vehicles with loading gates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/10—Doors arranged at the vehicle rear
- B60J5/108—Doors arranged at the vehicle rear for load transporting vehicles or public transport, e.g. lorries, trucks, buses
-
- 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
- B60P1/02—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with parallel up-and-down movement of load supporting or containing element
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Loading Or Unloading Of Vehicles (AREA)
Abstract
The invention provides an automatic lifting device for unloading of a freight car, which comprises a tail plate and lifting mechanisms arranged on two sides of the tail plate; the tail plate is connected with the lifting mechanism through a fixed shaft, so that the tail plate can rotate around the fixed shaft and move up and down under the driving of the lifting mechanism; the tail plate is connected with the fixed shaft through a connecting rod. The lifting process is more stable through the spring and the resistance liquid, and the cost is greatly reduced compared with a lifting device of a hydraulic system.
Description
Technical Field
The invention is applied to the technical field of truck loading and unloading equipment, and particularly relates to an automatic lifting device for truck unloading.
Background
The loading operation and the unloading operation at the beginning and the end of the production process of automobile cargo transportation are essential important links for automobile cargo transportation. When the goods van unloads, need use manual fork truck to unload sometimes, but the height that the packing box of goods van leaves ground has highly to have lowly, makes some manual fork trucks can't lift the goods, leads to unloading unable normal clear. There are also cargo lifting and handling devices in the prior art, of which a lift tailgate is a common type. However, the existing lifting type tail plate is connected to the tail plate through a turning plate telescopic rod and a lifting telescopic rod, the lifting of the tail plate is realized through a hydraulic system, and the lifting type tail plate has higher requirements on the telescopic rod, so that the cost is higher; in addition, the lifting tail board is often attached to the outside of the container door, and is quite unattractive. The research and development of an automatic lifting device capable of realizing unloading is a problem which is urgently needed to be solved in the unloading operation in the existing cargo transportation.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the automatic lifting device for the unloading of the freight car, which can realize automatic lifting, has low cost and attractive appearance.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
an automatic lifting device for unloading of a freight car is characterized by comprising a tail plate and lifting mechanisms arranged on two sides of the tail plate; the tail plate is connected with the lifting mechanism through a fixed shaft, so that the tail plate can rotate around the fixed shaft and move up and down under the driving of the lifting mechanism; the tail plate is connected with the fixed shaft through a connecting rod; the lifting mechanism comprises a lifting main body, a piston-shaped lifting rod is arranged in the lifting main body, the lifting rod comprises a piston head and a piston rod which is connected with the lifting main body and the fixed shaft, the lifting main body is higher than the fixed shaft, a spring is sleeved outside the piston rod, and a through hole is formed in the piston head; the interior of the lifting main body is also filled with resistance liquid.
Furthermore, longitudinal beams are arranged at the two sides of the truck container close to the tail plate, the upper parts of the two longitudinal beams are connected through a cross beam, and the longitudinal beams are perpendicular to the plane of the truck container.
Furthermore, the two lifting mechanisms are respectively fixed on the outer sides of the two longitudinal beams.
Furthermore, the lower part of the longitudinal beam is longer than that of the lifting mechanism, a strip-shaped through hole is formed in the longitudinal beam, and the fixed shaft penetrates through the strip-shaped through hole to be connected with the lifting rod and the tail plate.
Furthermore, the connecting rod is fixed on the tail plate and comprises a fixed block which is rotatably fixed on the tail plate and a stop block which is connected with the fixed block and the fixed shaft, and the fixed block is perpendicular to the stop block.
Furthermore, the bottom side line of the joint surface of the tail board and the container is a fillet.
Furthermore, an elastic rope is arranged between the tail plate and the container, one end of the elastic rope is connected with the tail plate, and the other end of the elastic rope is fixed on the longitudinal beam.
Further, the outer diameter of the piston head is consistent with the inner diameter of the lifting body.
Furthermore, a through hole is formed in the bottom of the lifting main body, the piston rod penetrates through the through hole in the lifting main body to move up and down, and the tail plate is driven to move up and down through the lifting rod.
Furthermore, a pin hole is formed in the longitudinal beam, a through hole is formed in the position, corresponding to the pin hole, of the piston rod when the tail plate is in a vertical state, and a pin capable of being pulled out and inserted randomly is arranged between the through hole and the pin hole, which penetrate through the piston rod.
Compared with the prior art, the invention has the beneficial effects that:
the invention can realize the automatic lifting of the tail plate, the tail plate automatically descends after the goods are placed on the tail plate, the unloading is finished, the tail plate automatically ascends and returns to the original position after the goods are unloaded, and the operation is repeated until the goods are completely unloaded. The lifting process is more stable through the spring and the resistance liquid, and the cost is greatly reduced compared with a lifting device of a hydraulic system. The tail board of the invention can also be directly used as a container door, no gap exists between the tail board and a container, and the appearance is more beautiful.
Drawings
Fig. 1 is a side view of the tail plate of the automatic lifting device for unloading goods wagon of the invention when the tail plate is vertically arranged.
Fig. 2 is a side view of the tail plate of the automatic cargo unloading lifting device of the truck in a horizontal position.
Fig. 3 is a front view of the tail plate of the automatic lifting device for unloading goods wagon of the invention when the tail plate is horizontally placed.
Fig. 4 is a side view of a link in the automatic cargo-unloading lifting device of the present invention.
Fig. 5 is a schematic structural diagram of a lifting mechanism in the automatic lifting device for unloading goods wagon of the present invention.
In the drawing, 1 is a tail plate, 2 is a longitudinal beam, 3 is a strip-shaped through hole, 4 is a cross beam, 5 is a lifting mechanism, 7 is a fixed block, 8 is a pin, 9 is a fixed shaft, 10 is a stop block, 51 is a lifting main body, 52 is a piston head, 53 is a spring, 54 is resistance liquid, and 55 is a piston rod.
Detailed Description
The technical solution of the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It is to be understood that the following examples are only illustrative and explanatory of the present invention and should not be construed as limiting the scope of the present invention. All the technologies realized based on the above-mentioned contents of the present invention are covered in the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "longitudinal", "lateral", "horizontal", "vertical", "upper", "lower", and the like indicate orientations or positional relationships based on usage, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the scope of the present invention.
An automatic lifting device for unloading goods wagon comprises a tail plate 1 and lifting mechanisms 5 arranged on two sides of the tail plate 1; the tail plate 1 is connected with the lifting mechanism 5 through a fixed shaft 9, so that the tail plate 1 can rotate around the fixed shaft 9 and move up and down under the driving of the lifting mechanism 5; the tail plate 1 is connected with a fixed shaft 9 through a connecting rod; the lifting mechanism 5 comprises a lifting body 51, a piston-shaped lifting rod is arranged in the lifting body 51, the lifting rod comprises a piston head 52 and a piston rod 55 which connects the lifting body 51 and the fixed shaft 9, so that the position of the lifting body 51 is higher than that of the fixed shaft 9, a spring 53 is sleeved outside the piston rod 55, and a through hole is formed in the piston head 52; the elevating body 51 is also filled with a resistance liquid 54.
The tail board 1 can rotate around the fixed shaft 9, and when unloading is not needed, the tail board 1 rotates to be in a vertical state, so that the tail board 1 is attached to a container, and the tail board can be directly used as a container door. When unloading is needed, the tail plate 1 is rotated to be in a horizontal state, the gravity of the lifting rod and the tail plate 1 is just equal to the elastic force of the spring 53, and the tail plate 1 is parallel to the inner bottom surface of the container, so that the goods can be conveniently moved to the tail plate 1; the tail plate 1 drives the lifting rod to move downwards under the pressure of goods, the piston head 52 moves downwards to press the spring 53 and the resistance liquid 54 below, the resistance liquid 54 is extruded upwards from the through hole in the piston head 52 to the space above the piston head 52 under the pressing, until the tail plate 1 descends to a required position or the spring 53 is compressed to the maximum contraction deformation, the tail plate 1 stops moving, and the goods are removed. After the goods are moved away, the gravity acting on the tail plate 1 is reduced, at the moment, the elastic force of the spring 53 is larger than the gravity of the lifting rod and the tail plate 1, the lifting rod starts to drive the tail plate 1 to move upwards, the resistance liquid 54 is extruded into the space at the lower part of the piston head 52 from the through hole on the piston head 52 again until the gravity of the lifting rod and the tail plate 1 is just equal to the elastic force of the spring 53, and the lifting rod stops moving, so that the one-time unloading process is completed. The resistance liquid 54 plays a role in buffering the ascending and descending processes of the tail plate 1, so that the ascending and descending processes are more stable.
In order to enable the lifting mechanism 5 to be fixed more firmly and not to affect the appearance of a cargo box of the truck, longitudinal beams 2 are arranged on the two sides of the cargo box of the truck, which are close to the tail plate 1, the two longitudinal beams 2 are connected through a cross beam 4, and the longitudinal beams 2 are perpendicular to the plane of the cargo box of the truck. The two lifting mechanisms 5 are respectively fixed on the outer sides of the two longitudinal beams 2. In a preferred embodiment, the height of the cross beams 4 corresponds to the height of the top of the cargo box, and the lower portions of the side beams 2 are below the bottom surface of the cargo box.
In order to facilitate the tail plate 1 to move up and down along the longitudinal beam 2 during unloading, the lower part of the longitudinal beam 2 is longer than the lifting mechanism 5, a strip-shaped through hole 3 is formed in the longitudinal beam 2, and the fixed shaft 9 penetrates through the strip-shaped through hole 3 to be connected with the lifting rod and the tail plate 1.
In order to facilitate the turnover of the tail plate 1 and simultaneously prevent the tail plate 1 from continuing to turn downwards after being turned to a horizontal state, the connecting rod is fixed on the tail plate 1 and comprises a fixed block 7 which is rotatably fixed on the tail plate 1 and a stop block 10 which is connected with the fixed block 7 and a fixed shaft 9, and the fixed block 7 is vertical to the stop block 10. The bottom side line of the joint surface of the tail board 1 and the container is a rounded angle. The fixed block 7 is connected with the tail plate 1 through a rotating shaft, so that the tail plate 1 can rotate freely relative to the fixed block 7, and the fixed block 7 is fixedly connected with the stop block 10 and is in a mutually perpendicular state. When the tail plate 1 is parallel to the longitudinal beam 2, the tail plate 1 is parallel to the baffle, when unloading is needed, the tail plate 1 rotates relative to the fixed block 7 until the tail plate 1 is parallel to the fixed block 7, namely, the tail plate 1 stops overturning when being perpendicular to the baffle, and the tail plate 1 and the longitudinal beam 2 are in a perpendicular state. When the upset, set up to the radius angle with a bottom sideline of baffle contact on the tailboard 1, prevent because the right angle block the influence upset, the upset is blockked by the baffle to another bottom sideline relative with the radius angle when overturning to the horizontality owing to be the right angle, prevents that tailboard 1 from further overturning, and tailboard 1 keeps the horizontality.
In order to reduce the load of the connecting part of the tail board 1 and the lifting mechanism 5, an elastic rope is arranged between the tail board 1 and the cargo box, one end of the elastic rope is connected with the tail board 1, and the other end of the elastic rope is fixed on the longitudinal beam 2. The bullet rope is in the state of flare-outing when the tailboard 1 level, provides the pulling force when the tailboard 1 descends, has avoided the too big tailboard 1 that leads to of baffle load to bear the weight of the goods.
In order to achieve better sealing between the lifter bar and the lifter body 51 and ensure the buffering and decelerating effect of the lifter mechanism 5, the outer diameter of the piston head 52 is identical to the inner diameter of the lifter body 51.
The bottom of the lifting body 51 is provided with a through hole, and the piston rod 55 passes through the through hole on the lifting body 51 to move up and down and drives the tail plate 1 to move up and down through the lifting rod. In a preferred embodiment, a sealing ring is disposed in a through hole at the bottom of the lifter body 51 to prevent leakage of the resistance liquid 54 during movement of the lifter.
In order to avoid unloading accidents or damage to goods caused by the fact that the tail plate 1 begins to descend when the goods are not placed, the longitudinal beam 2 is provided with a pin hole, the position, corresponding to the pin hole, of the piston rod 55 is provided with a through hole when the tail plate 1 is in a vertical state, and a pin 8 capable of being pulled out and inserted randomly is arranged through the through hole and the pin hole in the piston rod 55. When the tail board 1 is in the highest state, at this moment, the tail board 1 and the bottom surface of the container are on the same horizontal plane, the pins 8 are inserted into the through holes and the pin holes in the piston rod 55, the tail board 1 cannot move up and down, but the turnover of the tail board 1 is not influenced, the pins 8 are pulled out when the goods are safely placed on the tail board 1 and need to be unloaded, the tail board 1 moves downwards under the driving of the lifting rod until the first unloading is completed and the tail board 1 is restored to the highest state, the pins 8 are inserted again, the second unloading … … is carried out until the whole unloading is completed, the pins 8 are inserted, and the tail board 1 is turned over to close the container.
In order to protect the safety of goods in transportation and better play a role in sealing, a door lock is arranged at the corresponding position of the top of the tail board 1 and the cross beam 4.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. It will be understood by those skilled in the art that various changes, substitutions of equivalents, and alterations can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a freight train unloading automatic lifting device which characterized in that: the lifting device comprises a tail plate and lifting mechanisms arranged on two sides of the tail plate; the tail plate is connected with the lifting mechanism through a fixed shaft, so that the tail plate can rotate around the fixed shaft and move up and down under the driving of the lifting mechanism; the tail plate is connected with the fixed shaft through a connecting rod; the lifting mechanism comprises a lifting main body, a piston-shaped lifting rod is arranged in the lifting main body, the lifting rod comprises a piston head and a piston rod which is connected with the lifting main body and the fixed shaft, the lifting main body is higher than the fixed shaft, a spring is sleeved outside the piston rod, and a through hole is formed in the piston head; the interior of the lifting main body is also filled with resistance liquid.
2. The automatic cargo-unloading lifting device according to claim 1, wherein: longitudinal beams are arranged at the two sides of the truck container close to the tail plate, the upper parts of the two longitudinal beams are connected through a cross beam, and the longitudinal beams are perpendicular to the plane of the truck container.
3. The automatic cargo-unloading lifting device according to claim 2, wherein: the two lifting mechanisms are respectively fixed on the outer sides of the two longitudinal beams.
4. A truck unloading automatic lifting device as claimed in claim 3, wherein: the lower part of the longitudinal beam is longer than that of the lifting mechanism, a strip-shaped through hole is formed in the longitudinal beam, and the fixed shaft penetrates through the strip-shaped through hole to be connected with the lifting rod and the tail plate.
5. The automatic cargo-unloading lifting device according to claim 1, wherein: the connecting rod is fixed on the tail plate and comprises a fixed block which is rotatably fixed on the tail plate and a stop block which is connected with the fixed block and the fixed shaft, and the fixed block is perpendicular to the stop block.
6. The automatic cargo-unloading lifting device according to claim 5, wherein: and the bottom side line of the joint surface of the tail board and the container is a fillet.
7. The automatic cargo-unloading lifting device according to claim 2, wherein: and an elastic rope is arranged between the tail plate and the container, one end of the elastic rope is connected with the tail plate, and the other end of the elastic rope is fixed on the longitudinal beam.
8. The automatic cargo-unloading lifting device according to claim 1, wherein: the outer diameter of the piston head is consistent with the inner diameter of the lifting body.
9. The automatic cargo-unloading lifting device according to claim 1, wherein: the bottom of the lifting main body is provided with a through hole, the piston rod penetrates through the through hole in the lifting main body to move up and down, and the tail plate is driven to move up and down through the lifting rod.
10. The automatic cargo-unloading lifting device according to claim 2, wherein: the longitudinal beam is provided with a pin hole, when the tail plate is in a vertical state, a through hole is formed in the position, corresponding to the pin hole, of the piston rod, and a pin capable of being pulled out and inserted randomly is arranged through the through hole and the pin hole in the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110120499.XA CN112874408A (en) | 2021-01-28 | 2021-01-28 | Automatic lifting device for unloading goods wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110120499.XA CN112874408A (en) | 2021-01-28 | 2021-01-28 | Automatic lifting device for unloading goods wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112874408A true CN112874408A (en) | 2021-06-01 |
Family
ID=76053101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110120499.XA Pending CN112874408A (en) | 2021-01-28 | 2021-01-28 | Automatic lifting device for unloading goods wagon |
Country Status (1)
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| CN (1) | CN112874408A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980037627A (en) * | 1996-11-22 | 1998-08-05 | 박병재 | Cargo Balance Maintenance System |
| CN2635441Y (en) * | 2003-08-12 | 2004-08-25 | 徐元明 | Goods loading and unloading device of vertical lifting type for vehicle |
| JP2004262364A (en) * | 2003-03-03 | 2004-09-24 | Shin Meiwa Ind Co Ltd | In-loading platform storage type load receiving platform elevating/lowering device |
| CN102602849A (en) * | 2012-03-16 | 2012-07-25 | 张家港市金昌龙机械设备有限公司 | Hydraulic handcart |
| CN205312701U (en) * | 2016-01-22 | 2016-06-15 | 缪雪峰 | Novel landing platform |
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| CN108657908A (en) * | 2018-05-25 | 2018-10-16 | 芜湖岭上信息科技有限公司 | A kind of hydraulic lifting Cargo Lift |
| CN208326486U (en) * | 2018-06-04 | 2019-01-04 | 安徽宇锋智能科技有限公司 | A kind of AGV fork truck with lifting structure |
| CN208948342U (en) * | 2018-10-10 | 2019-06-07 | 江苏森宝包装有限公司 | A kind of safe and reliable woven bag automatic turning device |
| CN209336563U (en) * | 2018-12-29 | 2019-09-03 | 周国强 | A kind of lorry tailgate hoistable platform |
| CN110254331A (en) * | 2019-06-28 | 2019-09-20 | 苏州得尔达国际物流有限公司 | A kind of built-in tailgate of logistics van |
| CN209758578U (en) * | 2019-01-11 | 2019-12-10 | 福建船政交通职业学院 | Commodity circulation transportation unloading slowly falls device |
| CN211110042U (en) * | 2019-10-12 | 2020-07-28 | 天津鑫博源物流有限公司 | Unloading device for logistics transportation |
| CN111547536A (en) * | 2020-04-27 | 2020-08-18 | 席宏榕 | Commodity circulation discharge devices |
| WO2020227215A1 (en) * | 2019-05-03 | 2020-11-12 | Eidsmore Paul G | System having automated lift assembly and process for loading and unloading cargo from delivery vehicle |
| CN112239092A (en) * | 2020-10-09 | 2021-01-19 | 周平 | Eccentric wheel buffering anticollision protection pad |
-
2021
- 2021-01-28 CN CN202110120499.XA patent/CN112874408A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980037627A (en) * | 1996-11-22 | 1998-08-05 | 박병재 | Cargo Balance Maintenance System |
| JP2004262364A (en) * | 2003-03-03 | 2004-09-24 | Shin Meiwa Ind Co Ltd | In-loading platform storage type load receiving platform elevating/lowering device |
| CN2635441Y (en) * | 2003-08-12 | 2004-08-25 | 徐元明 | Goods loading and unloading device of vertical lifting type for vehicle |
| CN102602849A (en) * | 2012-03-16 | 2012-07-25 | 张家港市金昌龙机械设备有限公司 | Hydraulic handcart |
| CN205312701U (en) * | 2016-01-22 | 2016-06-15 | 缪雪峰 | Novel landing platform |
| CN107696936A (en) * | 2017-09-24 | 2018-02-16 | 齐二伟 | The compartment of flat push type side-tip dumper |
| CN108657908A (en) * | 2018-05-25 | 2018-10-16 | 芜湖岭上信息科技有限公司 | A kind of hydraulic lifting Cargo Lift |
| CN208326486U (en) * | 2018-06-04 | 2019-01-04 | 安徽宇锋智能科技有限公司 | A kind of AGV fork truck with lifting structure |
| CN208948342U (en) * | 2018-10-10 | 2019-06-07 | 江苏森宝包装有限公司 | A kind of safe and reliable woven bag automatic turning device |
| CN209336563U (en) * | 2018-12-29 | 2019-09-03 | 周国强 | A kind of lorry tailgate hoistable platform |
| CN209758578U (en) * | 2019-01-11 | 2019-12-10 | 福建船政交通职业学院 | Commodity circulation transportation unloading slowly falls device |
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| CN110254331A (en) * | 2019-06-28 | 2019-09-20 | 苏州得尔达国际物流有限公司 | A kind of built-in tailgate of logistics van |
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| CN111547536A (en) * | 2020-04-27 | 2020-08-18 | 席宏榕 | Commodity circulation discharge devices |
| CN112239092A (en) * | 2020-10-09 | 2021-01-19 | 周平 | Eccentric wheel buffering anticollision protection pad |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20210601 |