CN221090769U - Mechanical support piece of heavy trailer - Google Patents
Mechanical support piece of heavy trailer Download PDFInfo
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- CN221090769U CN221090769U CN202323419635.9U CN202323419635U CN221090769U CN 221090769 U CN221090769 U CN 221090769U CN 202323419635 U CN202323419635 U CN 202323419635U CN 221090769 U CN221090769 U CN 221090769U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 9
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- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 19
- 230000008569 process Effects 0.000 abstract description 17
- 230000008859 change Effects 0.000 abstract description 6
- 230000001965 increasing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The application discloses a mechanical support of a heavy trailer, and belongs to the technical field of mechanical supports. The utility model provides a mechanical support piece of heavy trailer, includes the crossbeam, the crossbeam top is equipped with displacement subassembly, displacement subassembly is including being two spacing grooves of symmetrical even distribution at the crossbeam surface, spacing inslot wall swing joint has the carriage plate, carriage plate top fixedly connected with screw frame plate, two swing joint has two-way threaded rod between the screw frame plate, two-way threaded rod middle part fixedly connected with positioning gear, the crossbeam middle part is equipped with the slot window. According to the application, the positioning gear is driven to rotate through the transmission gear, so that the threaded frame plate moves on the outer wall of the bidirectional threaded rod, the distance between the two support rods is changed, and the auxiliary telescopic rod is matched with the change of the distance between the two support rods, so that the distance between the support structures of the trailer can be flexibly adjusted and controlled, and the convenience of the support process is improved.
Description
Technical Field
The application relates to the technical field of mechanical supports, in particular to a mechanical support of a heavy trailer.
Background
The semitrailer is characterized in that an axle is arranged behind the center of gravity of the vehicle, a supporting device is further arranged at the front end of the semitrailer, and the supporting device of the semitrailer is mainly used for supporting the semitrailer when unhooking and consists of supporting legs, connecting brackets and the like. The landing legs are two and are respectively fixed at the two sides of the front end of the semi-trailer, and are used for supporting when the semi-trailer is unhooked, and when the semi-trailer is pulled, the landing legs are required to be folded, so that the semi-trailer is convenient to move.
One of the supporting legs is provided with a rocker, the rocker is connected with the lifter of the supporting leg, the lifter of the other supporting leg is connected with the rocker through a linkage rod, and the rocker is rotated to drive the two supporting legs to shrink or put down. At present, the rocker is rotated by manpower, and is very laborious and difficult to operate due to reasons such as sediment inclusion, insufficient lubrication and the like.
Aiming at the technical problem, the patent with the patent number of CN204236438U discloses an electric control automatic lifting device of a semi-trailer supporting device, which utilizes a motor to control the automatic lifting of the semi-trailer supporting device. The utility model relates to an electric control automatic lifting device of a semitrailer supporting device, which is connected with a lifter of a semitrailer supporting leg. The electric control automatic lifting device of the semitrailer supporting device is scientific in design, simple in structure, convenient to use, capable of providing power through the motor, improving power output through the gear set, capable of lifting the support leg of the semitrailer in a mechanical mode, easy in lifting, time-saving, labor-saving, safe and reliable, and capable of replacing a manual crank handle for lifting.
However, the above technical solution has the following drawbacks:
(1) In the operation process of the supporting structures, the distance between the supporting structures is inconvenient to adjust, and the convenience of the supporting process is affected;
(2) The length of the supporting structure can not be controlled by changing the angle between the supporting structures in the operation process of the supporting structure, so that the stability of the supporting lifting process is affected;
(3) In the supporting structure, the power for adjusting the distance of the supporting structure cannot be converted into the power for the lifting process, so that the utilization rate of the power structure is reduced.
Disclosure of utility model
An object of the present application is to provide flexible adjustment and control of the distance between trailer support structures, increasing the stability of the support process.
In order to achieve the above purpose, the application adopts the following technical scheme: the mechanical support piece of the heavy trailer comprises a cross beam, wherein a displacement assembly is arranged above the cross beam, a support assembly is arranged below the cross beam, and a conversion assembly is arranged in the middle of the cross beam;
The displacement assembly comprises two limiting grooves which are symmetrically and uniformly distributed on the surface of the cross beam, the inner wall of each limiting groove is movably connected with a sliding frame plate, a threaded frame plate is fixedly connected above each sliding frame plate, a bidirectional threaded rod is movably connected between the two threaded frame plates, a positioning gear is fixedly connected in the middle of each bidirectional threaded rod, and a groove window is arranged in the middle of the cross beam;
The support assembly comprises a support groove drum fixedly arranged below the sliding frame plate, the inner wall of the support groove drum is movably connected with support rods, the opposite faces of the support rods are fixedly connected with first rotating frames, the other ends of the first rotating frames are movably connected with connecting rods, the other ends of the connecting rods are movably connected with second rotating frames, the other ends of the second rotating frames are fixedly connected with threaded frame drums, the inner wall of each threaded frame drum is movably connected with an auxiliary threaded rod, the opposite ends of the two auxiliary threaded rods are fixedly connected with auxiliary telescopic rods, a central shaft is fixedly connected between the two auxiliary telescopic rods, and a fixed gear is fixedly connected between the central shafts;
The conversion assembly comprises a middle frame plate fixedly mounted in the middle of the cross beam, the front end and the rear end of the middle frame plate are respectively provided with a chute, a slide rod is movably connected inside the chute, two auxiliary rods are movably connected to two ends of the slide rod, two positioning rods are movably connected to the other ends of the auxiliary rods, two fixing rods are fixedly connected to two ends of the positioning rods, an auxiliary shaft is movably connected to the middle of the fixing rods, and a transmission gear is fixedly connected to the middle of the auxiliary shaft.
Further preferably, two ends of the bidirectional threaded rod are movably connected with positioning plates, and the lower parts of the positioning plates are fixedly arranged above the cross beams.
Further preferably, two mounting frame plates are symmetrically and uniformly distributed and fixedly connected above the cross beam, and through holes are formed in the upper surfaces of the mounting frame plates and the middle frame plates.
Further preferably, the middle part fixedly connected with limiting plate of the supporting groove drum, the bracing piece surface is equipped with spacing spout, limiting plate with spacing spout swing joint, bracing piece below fixedly connected with rubber pad.
Further preferably, one end of the auxiliary threaded rod, which is far away from the auxiliary telescopic rod, is movably connected with a supporting frame, and the other end of the supporting frame is fixedly arranged on the outer wall of the supporting groove drum.
Further preferably, the outer wall of the central shaft is symmetrically and uniformly distributed and movably connected with two fixing frame plates, and the upper parts of the fixing frame plates are fixedly arranged below the cross beam.
Further preferably, one side of the fixing frame plate is fixedly connected with an electric telescopic rod, the upper end of the electric telescopic rod is fixedly connected with an auxiliary frame, and the other end of the auxiliary frame is fixedly arranged at one end of the auxiliary shaft.
Further preferably, the other end of the auxiliary shaft is fixedly connected with a servo motor, the other side of the servo motor is fixedly connected with a sliding plate, the outer wall of the sliding plate is slidably connected with a sliding groove, and one end of the sliding groove is fixedly connected with the side face of the other fixing frame plate.
Compared with the prior art, the application has the beneficial effects that:
(1) The positioning gear is driven to rotate through the transmission gear, the bidirectional threaded rod is enabled to rotate in a following mode, the threaded frame plate moves on the outer wall of the bidirectional threaded rod, the threaded frame plate drives the sliding frame plate to move in the limiting groove, the distance between the two supporting rods is changed, the auxiliary telescopic rod is matched with the change of the distance between the two supporting rods, and therefore flexible adjustment and control can be conducted on the distance between the trailer supporting structures, and the stability of the supporting process is improved.
(2) The fixed gear is driven to rotate through the transmission gear, the central shaft of the fixed gear rotates along with the fixed gear, the auxiliary threaded rod rotates along with the fixed gear under the cooperation of the auxiliary telescopic rod, the threaded rack plate moves on the auxiliary threaded rod, the included angle between the auxiliary threaded rod and the connecting rod is gradually enlarged, so that the supporting rod is pushed out of the supporting groove barrel, the angle between the rod bodies is changed through the rotating structure, the length of the supporting structure is stably guided out and guided in, and the stability of the supporting lifting process of the supporting structure is improved.
(3) Under the cooperation of auxiliary frame, drive the auxiliary shaft through electric telescopic handle and go up and down the operation, and under the connection of locating lever, just drive the auxiliary rod and go up and down the operation, and make the slide bar that the auxiliary rod is connected slide among the chute of well frame plate, and cooperate its auxiliary shaft to go up and down the operation, after auxiliary shaft elevating position, the gear that the drive gear at its middle part meshed follows its position and changes to can change the provision object of power structure, with this utilization ratio that improves its power structure, and reduce its overall structure's weight.
Drawings
Fig. 1 is a schematic perspective view of a mechanical support of a heavy trailer according to the present utility model;
FIG. 2 is a schematic side view of a mechanical support of a heavy-duty trailer according to the present utility model;
FIG. 3 is a schematic cross-sectional view of the mechanical support of the heavy trailer of FIG. 2 at A-A;
Fig. 4 is a schematic perspective view of a mechanical support of a heavy trailer according to the present utility model;
Fig. 5 is an enlarged view of section B of fig. 4 of a mechanical support of a heavy trailer according to the present utility model.
In the figure: 1. a cross beam; 2. mounting a frame plate; 3. a middle frame plate; 4. a threaded frame plate; 5. a two-way threaded rod; 6. positioning gears; 7. a carriage plate; 8. a positioning plate; 9. a limit groove; 10. a chute; 11. a support groove drum; 12. a support rod; 13. a rubber pad; 14. an auxiliary lever; 15. a fixed rod; 16. an auxiliary telescopic rod; 17. a central shaft; 18. fixing the frame plate; 19. a sliding plate; 20. a sliding groove; 21. an auxiliary frame; 22. an electric telescopic rod; 23. an auxiliary shaft; 24. a slide bar; 25. a fixed gear; 26. a servo motor; 27. a positioning rod; 28. a slot window; 29. a support frame; 30. a first rotating frame; 31. a connecting rod; 32. a second rotating frame; 33. a thread rack cylinder; 34. a limiting plate; 35. limiting sliding groove.
Detailed Description
The present application will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.
In the description of the present application, it should be noted that, for the azimuth words such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present application that the device or element referred to must have a specific azimuth configuration and operation.
It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
The terms "comprises" and "comprising," along with any variations thereof, in the description and claims, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The prior art has the following defects:
(1) In the operation process of the supporting structures, the distance between the supporting structures is inconvenient to adjust, and the convenience of the supporting process is affected;
(2) The length of the supporting structure can not be controlled by changing the angle between the supporting structures in the operation process of the supporting structure, so that the stability of the supporting lifting process is affected;
(3) In the supporting structure, the power for adjusting the distance of the supporting structure cannot be converted into the power for the lifting process, so that the utilization rate of the power structure is reduced.
As an improvement, as shown in fig. 1-5, the preferred embodiment of the present application is:
The mechanical support piece of the heavy trailer comprises a cross beam 1, a displacement assembly is arranged above the cross beam 1, a support assembly is arranged below the cross beam 1, and a conversion assembly is arranged in the middle of the cross beam 1;
The displacement assembly comprises two limit grooves 9 which are symmetrically and uniformly distributed on the surface of the cross beam 1, the inner wall of each limit groove 9 is movably connected with a sliding frame plate 7, a threaded frame plate 4 is fixedly connected above each sliding frame plate 7, a bidirectional threaded rod 5 is movably connected between the two threaded frame plates 4, a positioning gear 6 is fixedly connected in the middle of each bidirectional threaded rod 5, and a groove window 28 is arranged in the middle of the cross beam 1;
The support assembly comprises a support groove drum 11 fixedly arranged below the sliding frame plate 7, support rods 12 are movably connected to the inner wall of the support groove drum 11, a first rotating frame 30 is fixedly connected to opposite faces of the two support rods 12, a connecting rod 31 is movably connected to the other end of the first rotating frame 30, a second rotating frame 32 is movably connected to the other end of the connecting rod 31, a threaded frame drum 33 is fixedly connected to the other end of the second rotating frame 32, an auxiliary threaded rod is movably connected to the inner wall of the threaded frame drum 33, auxiliary telescopic rods 16 are fixedly connected to opposite ends of the two auxiliary threaded rods, a central shaft 17 is fixedly connected to the middle of the two auxiliary telescopic rods 16, and a fixed gear 25 is fixedly connected to the middle of the central shaft 17;
The conversion assembly comprises a middle frame plate 3 fixedly installed in the middle of the cross beam 1, the front end and the rear end of the middle frame plate 3 are respectively provided with a chute 10, a slide rod is movably connected inside the chute 10, two ends of the slide rod are respectively and movably connected with an auxiliary rod 14, the other ends of the two auxiliary rods 14 at the same end are movably connected with positioning rods 27, two ends of each positioning rod 27 are fixedly connected with fixing rods 15, an auxiliary shaft 23 is movably connected between the two fixing rods 15, and a transmission gear is fixedly connected in the middle of each auxiliary shaft 23.
As shown in fig. 1, in this embodiment, two ends of the bidirectional threaded rod 5 are movably connected with a positioning plate 8, and the lower part of the positioning plate 8 is fixedly installed above the beam 1;
Two mounting frame plates 2 are symmetrically and uniformly distributed and fixedly connected above the cross beam 1, and through holes are formed in the upper surfaces of the mounting frame plates 2 and the middle frame plate 3;
Specifically, the positioning gear 6 is driven to rotate through the transmission gear, the bidirectional threaded rod 5 is enabled to rotate in a following manner, the threaded frame plate 4 moves on the outer wall of the bidirectional threaded rod 5 due to the threaded connectivity between the bidirectional threaded rod 5 and the threaded frame plate 4, the threaded frame plate 4 drives the sliding frame plate 7 to move in the limiting groove 9, the distance between the two support rods 12 is changed, and the auxiliary telescopic rod 16 is matched with the convenience of the distance between the two support rods 12.
As shown in fig. 1, 2, 3 and 4, in the embodiment, a limiting plate 34 is fixedly connected to the middle of the supporting groove drum 11, a limiting chute 35 is arranged on the surface of the supporting rod 12, the limiting plate 34 is movably connected with the limiting chute 35, and a rubber pad 13 is fixedly connected below the supporting rod 12;
one end of the auxiliary threaded rod, which is far away from the auxiliary telescopic rod 16, is movably connected with a support frame 29, and the other end of the support frame 29 is fixedly arranged on the outer wall of the support groove drum 11;
Specifically, the fixed gear 25 is driven to rotate by the transmission gear, then the central shaft 17 rotates along with the rotation, under the cooperation of the auxiliary telescopic rod 16, the auxiliary threaded rod rotates along with the rotation, the threaded frame plate 4 moves above the auxiliary threaded rod due to the threaded connectivity between the auxiliary telescopic rod 16 and the threaded frame barrel 33, and the included angle between the auxiliary threaded rod and the connecting rod 31 is gradually enlarged under the cooperation of the first rotating frame 30 and the second rotating frame 32, so that the supporting rod 12 is pushed out from the supporting groove barrel 11, the supporting operation is realized, the angle between rod bodies is changed by the rotating structure, and the length of the supporting structure is stably guided out and guided in, so that the stability of the supporting lifting process is increased.
As shown in fig. 1, 3, 4 and 5, in this embodiment, two fixing frame plates 18 are movably connected to the outer wall of the central shaft 17 in a symmetrical and uniform distribution, and the upper part of the fixing frame plates 18 is fixedly installed below the beam 1;
One side of one fixing frame plate 18 is fixedly connected with an electric telescopic rod 22, the upper end of the electric telescopic rod 22 is fixedly connected with an auxiliary frame 21, and the other end of the auxiliary frame 21 is fixedly arranged at one end of an auxiliary shaft 23;
The other end of the auxiliary shaft 23 is fixedly connected with a servo motor 26, the other side of the servo motor 26 is fixedly connected with a sliding plate 19, the outer wall of the sliding plate 19 is slidably connected with a sliding groove 20, and one end of the sliding groove 20 is fixedly connected with the side surface of the other fixed frame plate 18;
Specifically, the electric telescopic rod 22 drives the auxiliary shaft 23 to lift under the cooperation of the auxiliary frame 21, and under the connection of the positioning rod 27, the auxiliary rod 14 is driven to lift, and the slide rod connected with the auxiliary rod 14 slides in the chute 10 of the middle frame plate 3, and the auxiliary shaft 23 is matched to lift, after the auxiliary shaft 23 lifts, the position of the gear meshed with the transmission gear in the middle part changes along with the position of the gear, so that the object provided by the power structure can be changed, the utilization rate of the power structure is improved, and the weight of the whole structure is reduced.
The working principle of the application is as follows: during the use of staff, drive auxiliary shaft 23 by servo motor 26 and rotate, make drive gear rotate, drive gear drives positioning gear 6 and rotates this moment, and make bi-directional threaded rod 5 follow rotatory, because the screw connectivity between bi-directional threaded rod 5 and the screw thread frame plate 4, make screw thread frame plate 4 remove in the outer wall of bi-directional threaded rod 5, thereby make screw thread frame plate 4 drive slide frame plate 7 remove in spacing groove 9, with this change the distance between two bracing pieces 12, and its auxiliary telescopic rod 16 cooperates the change of distance between two bracing pieces 12, just start electric telescopic rod 22 after the regulation of completion distance, electric telescopic rod 22 just drives auxiliary shaft 23 under the cooperation of auxiliary frame 21, and just under the connection of locating lever 27 just drives auxiliary rod 14 and goes up and down the operation, and make the slide bar that auxiliary rod 14 is connected slide in frame plate 3's 10, and cooperate its auxiliary shaft 23 to go up and down the operation, the gear that the drive gear in its middle part is followed its position and is changed, make it and spindle 25 carry out the change with the fixed gear, wherein 17 and make the rotatory cylinder 17 and make the cooperation between auxiliary shaft 16 and auxiliary shaft 12 and the screw thread rod 12 and the second rotary shaft 2, the realization of the expansion cylinder is under the cooperation of auxiliary frame 11, and the screw thread of the second rotary shaft is realized under the cooperation of auxiliary frame 11, the screw thread of the second rotary shaft is realized and the expansion cylinder is under the cooperation of the auxiliary shaft 12.
The foregoing has outlined the basic principles, features, and advantages of the present application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present application, and various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of the application is defined by the appended claims and equivalents thereof.
Claims (8)
1. The mechanical support piece of the heavy trailer comprises a cross beam, and is characterized in that a displacement assembly is arranged above the cross beam, a support assembly is arranged below the cross beam, and a conversion assembly is arranged in the middle of the cross beam;
The displacement assembly comprises two limiting grooves which are symmetrically and uniformly distributed on the surface of the cross beam, the inner wall of each limiting groove is movably connected with a sliding frame plate, a threaded frame plate is fixedly connected above each sliding frame plate, a bidirectional threaded rod is movably connected between the two threaded frame plates, a positioning gear is fixedly connected in the middle of each bidirectional threaded rod, and a groove window is arranged in the middle of the cross beam;
The support assembly comprises a support groove drum fixedly arranged below the sliding frame plate, the inner wall of the support groove drum is movably connected with support rods, the opposite faces of the support rods are fixedly connected with first rotating frames, the other ends of the first rotating frames are movably connected with connecting rods, the other ends of the connecting rods are movably connected with second rotating frames, the other ends of the second rotating frames are fixedly connected with threaded frame drums, the inner wall of each threaded frame drum is movably connected with an auxiliary threaded rod, the opposite ends of the two auxiliary threaded rods are fixedly connected with auxiliary telescopic rods, a central shaft is fixedly connected between the two auxiliary telescopic rods, and a fixed gear is fixedly connected between the central shafts;
The conversion assembly comprises a middle frame plate fixedly mounted in the middle of the cross beam, the front end and the rear end of the middle frame plate are respectively provided with a chute, a slide rod is movably connected inside the chute, two auxiliary rods are movably connected to two ends of the slide rod, two positioning rods are movably connected to the other ends of the auxiliary rods, two fixing rods are fixedly connected to two ends of the positioning rods, an auxiliary shaft is movably connected to the middle of the fixing rods, and a transmission gear is fixedly connected to the middle of the auxiliary shaft.
2. The mechanical support of a heavy trailer according to claim 1, wherein two ends of the bi-directional threaded rod are movably connected with a positioning plate, and the lower part of the positioning plate is fixedly arranged above the cross beam.
3. The mechanical support of a heavy trailer according to claim 1, wherein two mounting frames are fixedly connected above the cross beam in a symmetrical and uniform distribution, and through holes are formed in the upper surfaces of the mounting frames and the middle frame.
4. The mechanical support of a heavy trailer according to claim 1, wherein a limiting plate is fixedly connected to the middle of the supporting groove drum, a limiting sliding groove is arranged on the surface of the supporting rod, the limiting plate is movably connected with the limiting sliding groove, and a rubber pad is fixedly connected below the supporting rod.
5. The mechanical support of a heavy trailer according to claim 1, wherein one end of the auxiliary threaded rod, which is far away from the auxiliary telescopic rod, is movably connected with a support frame, and the other end of the support frame is fixedly arranged on the outer wall of the support groove drum.
6. The mechanical support of a heavy trailer according to claim 1, wherein two fixing frame plates are movably connected to the outer wall of the central shaft in a symmetrical and uniform distribution, and the upper parts of the fixing frame plates are fixedly arranged below the cross beam.
7. The mechanical support of a heavy trailer according to claim 6, wherein one side of one of said fixed frame plates is fixedly connected with an electric telescopic rod, an auxiliary frame is fixedly connected to an upper end of said electric telescopic rod, and the other end of said auxiliary frame is fixedly mounted at one end of an auxiliary shaft.
8. The mechanical support of a heavy trailer according to claim 7, wherein the other end of the auxiliary shaft is fixedly connected with a servo motor, the other side of the servo motor is fixedly connected with a sliding plate, the outer wall of the sliding plate is slidably connected with a sliding groove, and one end of the sliding groove is fixedly connected with the side surface of the other fixed frame plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323419635.9U CN221090769U (en) | 2023-12-15 | 2023-12-15 | Mechanical support piece of heavy trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323419635.9U CN221090769U (en) | 2023-12-15 | 2023-12-15 | Mechanical support piece of heavy trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221090769U true CN221090769U (en) | 2024-06-07 |
Family
ID=91326038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323419635.9U Active CN221090769U (en) | 2023-12-15 | 2023-12-15 | Mechanical support piece of heavy trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221090769U (en) |
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2023
- 2023-12-15 CN CN202323419635.9U patent/CN221090769U/en active Active
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