CN115230572B - Pressing device for general transport vehicle and using method thereof - Google Patents
Pressing device for general transport vehicle and using method thereof Download PDFInfo
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- CN115230572B CN115230572B CN202211159531.6A CN202211159531A CN115230572B CN 115230572 B CN115230572 B CN 115230572B CN 202211159531 A CN202211159531 A CN 202211159531A CN 115230572 B CN115230572 B CN 115230572B
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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
- B60P7/00—Securing or covering of load on vehicles
- B60P7/06—Securing of load
- B60P7/08—Securing to the vehicle floor or sides
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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
- B60P7/00—Securing or covering of load on vehicles
- B60P7/06—Securing of load
- B60P7/08—Securing to the vehicle floor or sides
- B60P7/0892—Securing to the vehicle floor or sides by preventing lateral movement of the load, e.g. using stop blocks
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Abstract
The invention provides a pressing device for a general transport vehicle and a using method thereof, belonging to the technical field of pressing devices; the universal compaction problem of cargo transportation and transfer in the form of wedge-shaped and plane-shaped compaction structures with different specifications of the same cargo yard is solved; the pressing device comprises a fixed beam, shaft sleeves, screw rods, guide rails, a movable nut, a pressing mechanism, lock pins and a fastening assembly, wherein the shaft sleeves are respectively arranged on two sides of the fixed beam, the screw rods penetrate through the shaft sleeves and are arranged on the fixed beam, and sliding friction is formed between the screw rods and the shaft sleeves; the guide rails are fixed on two side surfaces of the fixed beam through screws, the movable nut is connected on the screw rod in a threaded mode, and two ends of the movable nut slide in the guide rails; the two ends of the screw rod are respectively provided with a left-handed thread and a right-handed thread, and the pressing mechanisms are respectively arranged on the right-handed movable nut and the left-handed movable nut through lock pins; the invention is applied to cargo compaction of transport vehicles.
Description
Technical Field
The invention provides a pressing device for a general transport vehicle and a using method thereof, belonging to the technical field of pressing devices.
Background
With the rapid development of high and new technologies, the same type of goods in the same cargo yard have different size specifications, particularly the goods requiring a pressing mechanism to limit the freedom degree of transportation, the pressing part mainly has two structural forms of a wedge shape and a plane shape, and the goods with different pressing forms and different specifications are transported and transported by respective specific transport vehicles, so that the number of transport and transportation vehicles is greatly increased, and the use efficiency of the transport and transportation vehicles is influenced. Therefore, the pressing device is designed, and the size of the pressing position can be adjusted within a certain range to adapt to goods of different specifications.
Disclosure of Invention
The invention provides a compressing device for a general transport vehicle, aiming at solving the general compressing problem of transportation and transfer of goods in different specifications of wedge-shaped and plane-shaped compressing structures in the same goods yard.
In order to solve the technical problems, the invention adopts the technical scheme that: a hold-down device for a general transport vehicle comprises a hold-down device fixed on a chassis of the transport vehicle or a transfer vehicle, wherein the hold-down device comprises a fixed beam, shaft sleeves, screw rods, guide rails, a movable nut, a hold-down mechanism, lock pins and a fastening assembly;
the guide rails are fixed on two side surfaces of the fixed beam through screws, the movable nuts are screwed on the screw rods, and two ends of the movable nuts slide in the guide rails;
the left-handed screw and the right-handed screw are respectively arranged at two ends of the screw rod, the movable nut comprises a left-handed movable nut and a right-handed movable nut, and the left-handed movable nut and the right-handed movable nut are respectively screwed on the right-handed screw and the left-handed screw of the screw rod;
the pressing mechanism is respectively arranged on the left-handed moving nut and the right-handed moving nut through a lock pin.
The pressing mechanism is a double-moving link mechanism assembled by a front sliding block, a pressing tongue, a connecting rod, a rear sliding block, a long screw, a spring, a shaft I, a shaft II and a shaft III, the pressing tongue is connected with the front sliding block through the shaft I, the pressing tongue is also connected with one end of the connecting rod through the shaft II, the other end of the connecting rod is connected with the rear sliding block through the shaft III, the front sliding block is connected with the rear sliding block through the long screw, the rear sliding block is provided with a smooth hole which penetrates through the long screw, a screw hole is formed in the opposite position of the front sliding block and is in threaded connection with the long screw, the spring is sleeved on the long screw, a certain space is reserved between the front sliding block and the rear sliding block, and the two sliding blocks are kept to move together before being not contacted with a goods pressing part through the pre-pressure of the spring.
The fixed beam is welded into a box-shaped structure by the side plates, the bottom plate, the screw mounting plates and the guide rail fixing plates, the shaft sleeves are mounted on the screw mounting plates at two ends, the screws penetrate through the shaft sleeves to be mounted on the screw mounting plates, and the guide rails are mounted on the guide rail fixing plates of the two side plates through the hexagon socket screws.
One end of the screw rod is a common thread end, one end of the screw rod is fixed on the shaft sleeve through the fastening assembly, the other end of the screw rod is a hexagonal shaft, and two ends of the screw rod extend out of the fixed beam.
The movable nut is formed by assembling a movable block, a nut, a blocking piece and a fastening screw, the nut is fixed in the movable block, and the blocking piece is fixed on the movable block through the fastening screw.
The lock pin is formed by assembling a pin shaft, a pull ring and a bead screw and is used for connecting the pressing mechanism and the movable nut, the pull ring is fixed at the top end of the pin shaft, and a screw hole is formed in the pin shaft and is used for connecting the bead screw.
Still be provided with corresponding draw-in groove between hold-down mechanism and the removal nut respectively, it is fixed through the latch pin to pass through behind the draw-in groove joint hold-down mechanism and the removal nut.
A method of using a hold down device for a utility vehicle, the hold down device for a utility vehicle comprising the steps of:
placing the goods between two pressing mechanisms of a pressing device;
when the goods pressing part is in a wedge shape, the screw rotates to drive the pressing mechanism to move towards the center of the goods, when a pressing tongue of the pressing mechanism contacts the goods pressing part, the screw stops rotating, the screw thread is self-locked, at the moment, the pressing tongue forms pressure perpendicular to the wedge-shaped surface at the pressing part, and the pressure can be decomposed into pressure in the horizontal direction and pressure in the vertical direction, so that the left, right, up and down freedom degree of the goods is limited, and the goods are pressed;
when the goods pressing part is horizontal, the screw rotates to drive the pressing mechanism to move towards the center of the goods, when a pressing tongue of the pressing mechanism contacts the goods pressing part, a front sliding block of the pressing mechanism stops moving to limit the degree of freedom of the goods in the horizontal direction, the screw continues to rotate, a rear sliding block of the pressing mechanism continues to move, a spring is compressed, the rear sliding block of the pressing mechanism pushes a connecting rod to drive the pressing tongue of the pressing mechanism to rotate until the pressing tongue presses the goods pressing part, the screw stops rotating, threads are self-locked, at the moment, the pressing tongue and the goods horizontal pressing part form pressure in the vertical direction, the degree of freedom of the goods in the vertical direction is limited, and the goods are pressed.
Compared with the prior art, the invention has the beneficial effects that: the compressing device for the general transport vehicle solves the general compressing problem of cargo transportation and transfer in the form of a wedge-shaped and plane-shaped compressing structure. The compressing mechanism can adapt to different compressing structures from translation to rotation, can limit the left, right, up and down freedom degrees of cargos, realizes the generalization of the compressing device, realizes the universal compression of the transportation and the transfer of cargos with different specifications in the same freight yard, reduces the number of special transportation and transfer vehicles in the freight yard, improves the utilization rate of the transportation and the transfer vehicles, and has clear principle, simple structure and obvious effect.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of the overall layout of the pressing apparatus of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of the working principle of the pressing device of the present invention;
FIG. 4 is a schematic view of the construction of the fixed beam of the present invention;
FIG. 5 is a schematic view of the bushing structure of the present invention;
FIG. 6 is a schematic view of the screw structure of the present invention;
FIG. 7 is a schematic view of the guide rail structure of the present invention;
FIG. 8 is a schematic view of the moving nut of the present invention;
FIG. 9 is an exploded view of FIG. 8;
FIG. 10 is a schematic view of the pressing mechanism of the present invention;
FIG. 11 is an exploded view of FIG. 10;
FIG. 12 is a schematic view of the detent configuration of the present invention;
in the figure: 1: a fixed beam; 2: a shaft sleeve; 3: a screw; 4: a guide rail; 5: moving the nut rightwards; 6: a hold-down mechanism; 7: a lock pin; 8: moving the nut leftwards; 9: a fastening assembly; 10: a side plate; 11: a base plate; 12: a screw mounting plate; 13: a guide rail fixing plate; 14: a moving block; 15: a nut; 16: a baffle plate; 17: fastening screws; 18: a front slider; 19: tongue depressing; 20: a connecting rod; 21: a rear slider; 22: a long screw; 23: a spring; 24: a shaft I;25: a shaft II;26: a shaft III;27: a pin shaft; 28: a pull ring; 29: a bead screw.
Detailed Description
The invention provides a compressing device for a general transport vehicle, which is arranged on a chassis of the transport vehicle and a transfer vehicle. As shown in fig. 1~2, the device comprises a fixed beam 1, a shaft sleeve 2, a screw 3, a guide rail 4, a right-handed moving nut 5, a pressing mechanism 6, a lock pin 7, a left-handed moving nut 8, a fastening component 9 and the like, wherein the screw 3 is rotated by a manual or electric wrench, the right-handed and left-handed threads at two ends of the screw 3 drive the matched right-handed moving nut 5 and left-handed moving nut 8 to move in opposite directions, the left-handed and right-handed moving nuts 8 and 5 drive the pressing mechanism 6 to move, and when the pressing mechanism 6 contacts a wedge-shaped pressing part of a cargo, a contact point of the pressing mechanism 6 and the wedge-shaped pressing part forms a horizontal pressing force and a vertical pressing force so as to limit the left-right and up-down freedom degrees of the cargo; when the pressing mechanism 6 contacts the horizontal pressing part of the goods, a horizontal pressing force is formed by the contact point of the pressing mechanism 6 and the horizontal pressing part to limit the left and right freedom degrees of the goods; the hold-down mechanism continuously moves to realize the change of translation to rotation and limit the freedom degree of the goods up and down, thereby compressing the goods.
In the above technical solution, as shown in fig. 4, the fixed beam 1 can be fixed on a transportation and transfer vehicle by bolts to support other components of the pressing device, and is formed by welding a side plate 10, a bottom plate 11, a screw mounting plate 12 and a guide rail fixing plate 13. Wherein, the screw mounting plate 12 is provided with a mounting hole of the shaft sleeve 2, and the guide rail fixing plate 13 is provided with a guide rail fixing threaded hole.
Among the above-mentioned technical scheme, axle sleeve 2 installs on fixed beam 1's screw rod mounting panel 12, and screw rod 3 passes axle sleeve 2 and installs on screw rod mounting panel 12. As shown in fig. 5, the sleeve 2 of the present invention is stepped, and the stepped portion contacts the screw mounting plate 12 in the fixing beam 1 to prevent the axial play of the sleeve 2.
Among the above-mentioned technical scheme, screw rod 3 is that both ends are left, right hand T shape helicitic texture respectively, as shown in fig. 6, can realize self-locking function, and hexagonal axle is extended to one end, and the manual or electric spanner of being convenient for rotates, and the other end extends the screw thread axle and is used for fastening assembly 9 clamping screw 3.
In the above technical solution, the guide rail 4 is installed on the guide rail fixing plate 13 of the fixing beam 1 through the socket head cap screw. As shown in fig. 7, the guide rail 7 of the present invention is a grooved rail, and a countersunk hole for fixing a screw is formed therein.
In the above technical solution, the movable nuts are respectively installed on the corresponding positions of the screw rod 3 in a left-handed and right-handed manner, as shown in fig. 8~9, and are assembled by the movable block 14, the nut 15, the blocking piece 16 and the fastening screw 17. The nut 15 is fixed in the moving block 14, and the baffle 16 is fixed on the moving block 14 through a fastening screw 17 and used for preventing the axial movement of the nut 15. The fastening screw 17 is a hexagon socket screw, the nut 15 can be a copper nut, the nut 15 is a left-handed screw and a right-handed screw, and the threads are T-shaped threads matched with the screw; two locking pin holes are symmetrically machined in each moving block 14.
In the technical scheme, two pressing mechanisms 6 are arranged and are respectively arranged on a left-handed moving nut 8 and a right-handed moving nut 5 and are connected with the left-handed moving nut 8 or the right-handed moving nut 5 through a lock pin 7 to form an integral movement, as shown in figures 10 to 11, the pressing mechanism 6 of the invention is a double-moving connecting rod mechanism which is assembled by a front sliding block 18, a pressure tongue 19, a connecting rod 20, a rear sliding block 21, a long screw 22, a spring 23, a shaft I24, a shaft II25 and a shaft III26, under the action of the spring 23, the front sliding block 18 and the rear sliding block 21 can keep collinear and slide together, and a lock pin hole is processed on the rear sliding block. A certain space is left between the front slide block 18 and the rear slide block 21, and the two slide blocks are kept to move together before being in contact with the goods pressing part through the pre-pressure of the spring 23. After the front sliding block 18 contacts the goods pressing part, the front sliding block 18 stops moving, the rear sliding block 21 continues to move the compression spring 23, and the driving connecting rod 20 drives the pressing tongue 19 to rotate downwards.
In the above technical solution, the lock pin 7 is used for connecting the pressing mechanism 6 and the left-handed movement nut 8 or the right-handed movement nut 5, and is assembled by the pin shaft 27, the pull ring 28, and the wave ball screw 19, as shown in fig. 12, wherein the wave ball screw 29 has an automatic rebound function, which can prevent the lock pin 7 from being disengaged from the lock pin hole under the condition of vibration.
The lower end of the fixed beam 1 can be additionally connected with a connecting flange and a chassis of a transport vehicle and a transfer trolley; the shaft sleeves 2 are respectively arranged at two sides of the fixed beam 1, the screw rods 3 penetrate through the shaft sleeves 2 to be arranged on the fixed beam 1 and are fixed by the fastening assembly 9, axial movement is prevented, sliding friction is formed between the screw rods 3 and the shaft sleeves 2, and the screw rods 3 can conveniently rotate; the guide rail 4 is fixed on the fixed beam 1 through an inner hexagon screw; the right-handed mobile nut 5 slides into the guide rail 4, the copper nut (right-handed) of the right-handed mobile nut is matched with the left-handed part of the screw rod 3, the left-handed mobile nut 8 slides into the guide rail 4, and the copper nut (left-handed) of the left-handed mobile nut is matched with the right-handed part of the screw rod 3 to form an assembly moving oppositely; the pressing mechanism 6 slides into the right-handed moving nut 5 and the left-handed moving nut 8 respectively, and the pressing mechanism 6 is connected with the right-handed moving nut 5 and the left-handed moving nut 8 through the lock pin 7 to form an integral moving structure. When the screw rod 3 rotates, the right-handed moving nut 5 and the left-handed moving nut 8 drive the pressing mechanisms 6 at the left end and the right end to move oppositely under the matching of the left-handed thread and the right-handed thread until the goods are pressed or loosened.
Fig. 3 is a schematic diagram illustrating the working principle of the pressing device of the present invention for pressing the goods. If the goods pressing part is wedge-shaped, the screw rod 3 rotates to drive the pressing mechanism 6 to move towards the center of the goods, when a pressing tongue 19 of the pressing mechanism 6 contacts the goods pressing part A, B, the screw rod 3 stops rotating, threads are self-locked, at the moment, the pressing tongue 19 forms pressure perpendicular to a wedge-shaped surface at two points A, B, and the pressure can be decomposed into pressure in the horizontal direction and pressure in the vertical direction, so that the left, right, up and down freedom degree of the goods is limited, and the purpose of pressing the goods is achieved; if the goods pressing part is horizontal, the screw rod 3 rotates to drive the pressing mechanism 6 to move towards the center of the goods, when the pressing tongue 19 of the pressing mechanism 6 contacts two points C, D of the goods pressing part, the front sliding block 18 of the pressing mechanism 6 stops moving to limit the freedom degree of the goods in the horizontal direction, the screw rod 3 continues to rotate, the rear sliding block 21 of the pressing mechanism 6 continues to move, the spring 23 is compressed, the rear sliding block 21 of the pressing mechanism 6 pushes the connecting rod 20 to drive the pressing tongue 19 of the pressing mechanism 6 to rotate until the goods pressing part is pressed, the screw rod 3 stops rotating, threads are self-locked, at the moment, the pressing tongue 19 and the goods horizontal pressing part form pressure in the vertical direction to limit the freedom degree of the goods in the vertical direction, and therefore the purpose of pressing the goods is achieved.
The invention solves the general compaction problem of cargo transportation and transfer in the form of wedge-shaped and plane-shaped compaction structures. The universal compaction of the transportation and the transfer of the cargos with different specifications in the same cargo yard is realized, the number of the special transportation and transfer vehicles in the cargo yard is reduced, and the utilization rate of the transportation and transfer vehicles is improved. In the invention, the pressing tongue of the pressing mechanism can be converted from linear motion to rotary motion, so that one set of mechanism is suitable for various pressing surfaces.
It should be noted that, regarding the specific structure of the present invention, the connection relationship between the modules adopted in the present invention is determined and can be realized, except for the specific description in the embodiment, the specific connection relationship can bring the corresponding technical effect, and the technical problem proposed by the present invention is solved on the premise of not depending on the execution of the corresponding software program.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A hold-down device for a utility vehicle, comprising a hold-down device secured to a chassis of the vehicle or trolley, characterized in that: the compressing device comprises a fixed beam, shaft sleeves, screw rods, a guide rail, a movable nut, a compressing mechanism, a lock pin and a fastening assembly, wherein the shaft sleeves are respectively arranged at two sides of the fixed beam, the screw rods penetrate through the shaft sleeves and are arranged on the fixed beam, sliding friction is formed between the screw rods and the shaft sleeves, and one ends of the screw rods are fixed through the fastening assembly;
the guide rails are fixed on two side surfaces of the fixed beam through screws, the movable nuts are screwed on the screw rods, and two ends of the movable nuts slide in the guide rails;
the left-handed screw and the right-handed screw are respectively arranged at two ends of the screw rod, the movable nut comprises a left-handed movable nut and a right-handed movable nut, and the left-handed movable nut and the right-handed movable nut are respectively screwed on the right-handed screw and the left-handed screw of the screw rod;
the pressing mechanism is respectively arranged on the left-handed moving nut and the right-handed moving nut through a lock pin;
the pressing mechanism is a double-moving link mechanism assembled by a front sliding block, a pressing tongue, a connecting rod, a rear sliding block, a long screw, a spring, a shaft I, a shaft II and a shaft III, the pressing tongue is connected with the front sliding block through the shaft I, the pressing tongue is also connected with one end of the connecting rod through the shaft II, the other end of the connecting rod is connected with the rear sliding block through the shaft III, the front sliding block is connected with the rear sliding block through the long screw, the rear sliding block is provided with a unthreaded hole which penetrates through the long screw, a screw hole is formed in the opposite position of the front sliding block and is in threaded connection with the long screw, the spring is sleeved on the long screw, a certain space is reserved between the front sliding block and the rear sliding block, and the two sliding blocks are kept to move together before being not contacted with a goods pressing part through the prestress of the spring;
the use method of the pressing device comprises the following steps:
placing the goods between two pressing mechanisms of a pressing device;
when the goods pressing part is in a wedge shape, the screw rotates to drive the pressing mechanism to move towards the center of the goods, when a pressing tongue of the pressing mechanism contacts the goods pressing part, the screw stops rotating, the screw thread is self-locked, at the moment, the pressing tongue forms pressure perpendicular to the wedge-shaped surface at the pressing part, and the pressure can be decomposed into pressure in the horizontal direction and pressure in the vertical direction, so that the left, right, up and down freedom degree of the goods is limited, and the goods are pressed;
when the goods pressing part is horizontal, the screw rotates to drive the pressing mechanism to move towards the center of the goods, when a pressing tongue of the pressing mechanism contacts the goods pressing part, a front sliding block of the pressing mechanism stops moving to limit the degree of freedom of the goods in the horizontal direction, the screw continues to rotate, a rear sliding block of the pressing mechanism continues to move, a spring is compressed, the rear sliding block of the pressing mechanism pushes a connecting rod to drive the pressing tongue of the pressing mechanism to rotate until the pressing tongue presses the goods pressing part, the screw stops rotating, threads are self-locked, at the moment, the pressing tongue and the goods horizontal pressing part form pressure in the vertical direction, the degree of freedom of the goods in the vertical direction is limited, and the goods are pressed.
2. The compacting apparatus for utility vehicles according to claim 1, wherein: the fixed beam is welded into a box-shaped structure by the side plates, the bottom plate, the screw mounting plates and the guide rail fixing plates, the shaft sleeves are mounted on the screw mounting plates at two ends, the screws penetrate through the shaft sleeves to be mounted on the screw mounting plates, and the guide rails are mounted on the guide rail fixing plates of the two side plates through the hexagon socket screws.
3. The compacting apparatus for utility vehicles according to claim 1, wherein: one end of the screw rod is a common thread end, one end of the screw rod is fixed on the shaft sleeve through the fastening assembly, the other end of the screw rod is a hexagonal shaft, and two ends of the screw rod extend out of the fixed beam.
4. The compacting apparatus for utility vehicles according to claim 1, wherein: the movable nut is formed by assembling a movable block, a nut, a blocking piece and a fastening screw, the nut is fixed in the movable block, and the blocking piece is fixed on the movable block through the fastening screw.
5. The compacting apparatus for utility vehicles according to claim 1, wherein: the lock pin is formed by assembling a pin shaft, a pull ring and a bead screw and is used for connecting the pressing mechanism and the movable nut, the pull ring is fixed at the top end of the pin shaft, and a screw hole is formed in the pin shaft and is used for connecting the bead screw.
6. The compacting apparatus for utility vehicles of claim 5, wherein: still be provided with corresponding draw-in groove between hold-down mechanism and the removal nut respectively, it is fixed through the latch pin to pass through behind the draw-in groove joint hold-down mechanism and the removal nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211159531.6A CN115230572B (en) | 2022-09-22 | 2022-09-22 | Pressing device for general transport vehicle and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211159531.6A CN115230572B (en) | 2022-09-22 | 2022-09-22 | Pressing device for general transport vehicle and using method thereof |
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| CN115230572A CN115230572A (en) | 2022-10-25 |
| CN115230572B true CN115230572B (en) | 2023-01-06 |
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| US20240052722A1 (en) * | 2022-08-10 | 2024-02-15 | Halliburton Energy Services, Inc. | Electro-Mechanical Clutch For Downhole Tools |
| CN116834814A (en) * | 2023-09-04 | 2023-10-03 | 四川巨星铭创科技集团有限公司 | Material feeding equipment with double repositioning structure for aluminum plate processing |
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| CN215198883U (en) * | 2020-12-31 | 2021-12-17 | 江苏弘成环保科技有限公司 | A feeding device for giving up useless admittedly |
| CN215204973U (en) * | 2021-07-01 | 2021-12-17 | 福建荣建集团有限公司 | A handling device for municipal works's sewer grid board |
| CN216464202U (en) * | 2021-12-13 | 2022-05-10 | 深圳市百拓精密机械有限公司 | Mounting plate fixing device |
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|---|---|
| CN115230572A (en) | 2022-10-25 |
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