Small hydraulic lifting device of semitrailer

By designing a support and adjustment mechanism, and utilizing hydraulic telescopic columns and a transmission system, the problem of the semi-trailer's outriggers being unable to be adjusted was solved, achieving stable support and convenient operation, and reducing costs.

CN223631531UActive Publication Date: 2025-12-05ANHUI TENGNAO AUTOMOBILE MANUFACTURING CO LTD
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Patent Information

Application Number
CN202520275060.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2025-12-05
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

The outriggers of the small hydraulic lifting devices currently installed on semi-trailers are fixed and cannot be adjusted, resulting in poor support and affecting the stability of the trailer.

Method used

A small hydraulic lifting device for semi-trailers, including a support mechanism and an adjustment mechanism, was designed. The support mechanism is adjusted by a hydraulic telescopic column and a universal ball joint. Combined with a transmission gear and transmission belt system, the crossbeam can be extended and retracted and the anti-slip seat can be stably supported. The support status is displayed by an indicator light.

Benefits of technology

It achieves stable support for the semi-trailer, reduces space occupation, ensures the safety and ease of operation of the truck bed, and reduces the cost of using drive components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of hydraulic lifting devices, and discloses a small hydraulic lifting device of a semitrailer, which comprises a semitrailer bucket, a supporting mechanism and an adjusting mechanism, the bottom end of the semitrailer bucket is fixedly connected with the top end of the supporting mechanism, and the top end of the adjusting mechanism is fixedly connected with the bottom end of the supporting mechanism; the four storage bins are installed at the four corners of the semitrailer bucket respectively, and when the semitrailer bucket needs to be supported, the cross beams are rotated along the installation shafts so that the cross beams can be moved out of the storage bins and can be far away from the semitrailer bucket; when the hydraulic telescopic column is started to push the anti-skid seat to move downwards, the anti-skid seat rotates along the universal ball head, so that the whole bottom of the anti-skid seat is in contact with the ground, and the semitrailer bucket is supported, and when the hydraulic telescopic column is not used, the hydraulic telescopic column drives the adjusting mechanism to move upwards, and the cross beam is rotated along the mounting shaft to be stored in the storage bin and located at the bottom end of the semitrailer bucket. And the stability of the trailer is ensured while the occupied space is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic hoisting device technical field more particularly to a kind of small hydraulic hoisting devices of semitrailer. BACKGROUND

[0002] Semitrailer is axle placed in the rear of vehicle gravity center (when vehicle is evenly loaded), and is equipped with the hitch of horizontal and vertical force transmission to tractor, to meet the use demand, install small hydraulic hoisting device on semitrailer hopper, make semitrailer have dual function of transport and lifting, can replace "ordinary truck+automobile crane", widely used in agriculture, wharf, oil exploitation, transportation.

[0003] Prior art deficiencies: after existing semitrailer installs small hydraulic hoisting device, to ensure hopper stability in use process, more support leg is added to the side of hopper to support hopper to avoid hopper rollover, however, existing support leg is more fixed structure, installed in the side of hopper, cannot be adjusted, close to the side of hopper, and support effect is poor. UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned defects of prior art, the utility model provides a small hydraulic hoisting device of semitrailer to solve the problems existing in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a small hydraulic hoisting device of semitrailer, including semitrailer hopper, further comprising: supporting mechanism and adjusting mechanism, the bottom end of the semitrailer hopper is fixedly connected with the top end of the supporting mechanism, the top end of the adjusting mechanism is fixedly connected with the bottom end of the supporting mechanism, the supporting mechanism includes storage bin, the top end of the storage bin movably sleeved with mounting shaft, the bottom end of the mounting shaft is fixedly connected with crossbeam through the top end inner wall of the storage bin, the bottom end of the crossbeam is fixedly connected with hydraulic telescopic column, the adjusting mechanism includes anti-skid seat, the top end of the anti-skid seat movably sleeved with universal ball head, the top end of the universal ball head is fixedly connected with the bottom end of the hydraulic telescopic column.

[0006] Further, the side of the mounting shaft is fixedly sleeved with second transmission gear, the top end of the storage bin movably sleeved with mounting column, the side of the mounting column is fixedly sleeved with first transmission gear, the side of the first transmission gear is engaged with the side of the second transmission gear, the bottom end inner wall of the semitrailer hopper is fixedly connected with driving motor, the output shaft of the driving motor is fixedly connected with the top end of the mounting column through the bottom end of the semitrailer hopper.

[0007] Further, the side surface of the mounting column is fixedly sleeved with a third transmission wheel, the side surface of the mounting shaft is fixedly sleeved with a first transmission wheel, the side surface of the first transmission wheel is transmissionally connected with a second transmission belt, and the side inner wall of the second transmission belt is transmissionally connected with the side surface of the third transmission wheel.

[0008] Further, the side surface of the mounting shaft is fixedly sleeved with a fourth transmission wheel, the side surface of the fourth transmission wheel is transmissionally connected with a first transmission belt, the side surface of the mounting column is fixedly sleeved with a second transmission wheel, and the side surface of the second transmission wheel is transmissionally connected with the side inner wall of the first transmission belt.

[0009] Further, the bottom end of the anti-skid base is provided with three mounting holes, the top end of the mounting hole is fixedly connected with a reset spring, the bottom end of the reset spring is fixedly connected with a pressing block, the top end of the mounting hole is fixedly connected with a buffer spring, the bottom end of the buffer spring is fixedly connected with a touch switch, and the top end of the anti-skid base is fixedly connected with an indicator lamp.

[0010] Further, the three mounting holes are evenly distributed on the bottom end of the anti-skid base, and the bottom end of the anti-skid base is provided with an anti-skid groove.

[0011] The technical effects and advantages of the present application are as follows:

[0012] 1. The four storage bins are installed on the four corners of the semitrailer hopper, and when the semitrailer hopper needs to be supported, the horizontal beam is rotated along the mounting shaft to move out of the storage bin and away from the semitrailer hopper.

[0013] 2. The three mounting holes are evenly distributed on the bottom end of the anti-skid base, the anti-skid base contacts the ground, the three pressing blocks contact the ground, the pressing blocks are received in the mounting holes, the top end of the pressing block contacts the touch switch, the touch switch controls the indicator lamp at the top end of the anti-skid base to emit green light, indicating that the bottom end of the anti-skid base contacts the ground, and when there is a gap between the anti-skid base and the ground, the reset spring pushes the pressing block downward to separate the pressing block from the touch switch, the touch switch controls the indicator lamp to emit red light, facilitating the operator to adjust the hydraulic telescopic column so that the bottom of the anti-skid base contacts the ground for support, and the support mechanism can support the semitrailer hopper and prevent the equipment from tilting. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0015] Figure 2 Structure schematic view of the supporting mechanism of the utility model;

[0016] Figure 3 Structure schematic view of the supporting mechanism of the utility model; Figure 2 Structure schematic view of A;

[0017] Figure 4 Structure schematic view of the supporting mechanism of the utility model; Figure 2 Structure schematic view of B;

[0018] Figure 5 Structure schematic view of the adjusting mechanism of the utility model;

[0019] Figure 6 Structure schematic view of the cross section of the briquetting part of the utility model.

[0020] The figure marks are: 1, the semitrailer hopper; 2, the supporting mechanism; 201, the storage bin; 202, the crossbeam; 203, the hydraulic telescopic column; 204, the first transmission wheel; 205, the mounting shaft; 206, the driving motor; 207, the first transmission belt; 208, the second transmission belt; 209, the second transmission wheel; 210, the first transmission gear; 211, the third transmission wheel; 212, the second transmission gear; 213, the fourth transmission wheel; 214, the mounting column; 3, the adjusting mechanism; 301, the antiskid seat; 302, the universal ball head; 303, the briquetting; 304, the reset spring; 305, the mounting hole; 306, the buffer spring; 307, the touch switch. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model will be described clearly and completely in combination with the drawings in the utility model, and additionally, the form of each structure recorded in the following implementation is only an example, and the small-sized hydraulic hoisting device of the semitrailer involved in the utility model is not limited to each structure recorded in the following implementation, and all other implementation obtained by the ordinary skilled in the art without making creative labor belongs to the range of protection of the utility model.

[0022] Refer to Figures 1 to 6The utility model provides a kind of small hydraulic hoisting device of semitrailer, including semitrailer bucket 1, further include: support mechanism 2 and adjusting mechanism 3, the bottom end of semitrailer bucket 1 is fixedly connected with the top end of support mechanism 2, the top end of adjusting mechanism 3 is fixedly connected with the bottom end of support mechanism 2, support mechanism 2 includes storage bin 201, the top end of storage bin 201 movably sleeved with mounting shaft 205, the bottom end of mounting shaft 205 is fixedly connected with crossbeam 202 passing through the top end inner wall of storage bin 201, the bottom end of crossbeam 202 is fixedly connected with hydraulic telescopic column 203, adjusting mechanism 3 includes anti-skid seat 301, the top end of anti-skid seat 301 movably sleeved with universal ball head 302, the top end of universal ball head 302 is fixedly connected with the bottom end of hydraulic telescopic column 203, four storage bins 201 are respectively installed on the four corners of semitrailer bucket 1, when needing to support semitrailer bucket 1, along mounting shaft 205 rotating crossbeam 202 makes crossbeam 202 move out of storage bin 201 and extend, and away from semitrailer bucket 1, when hydraulic telescopic column 203 starts and pushes anti-skid seat 301 to move downwards, anti-skid seat 301 rotates along universal ball head 302 to make the whole bottom of anti-skid seat 301 contact with ground, support semitrailer bucket 1, when not using, hydraulic telescopic column 203 drives adjusting mechanism 3 to move upwards, along mounting shaft 205 rotating crossbeam 202 makes crossbeam 202 enter storage bin 201 inside and be located at the bottom end of semitrailer bucket 1.

[0023] Wherein, the side of mounting shaft 205 is fixedly sleeved with second transmission gear 212, the top end of storage bin 201 movably sleeved with mounting column 214, the side of mounting column 214 is fixedly sleeved with first transmission gear 210, the side of mounting shaft 205 is fixedly sleeved with second transmission gear 212, the side of first transmission gear 210 and the side of second transmission gear 212 are mutually engaged, the bottom end inner wall of semitrailer bucket 1 is fixedly connected with drive motor 206, the output shaft of drive motor 206 is fixedly connected with the top end of mounting column 214 passing through the bottom end of semitrailer bucket 1, when using, drive motor 206 drives mounting column 214 to rotate, drives mounting shaft 205 to rotate by first transmission gear 210 and second transmission gear 212 mutually engaged, to drive crossbeam 202 rotate along mounting shaft 205.

[0024] Wherein, the side of mounting column 214 is fixedly sleeved with third transmission wheel 211, the side of mounting shaft 205 is fixedly sleeved with first transmission wheel 204, the side of first transmission wheel 204 is drivingly connected with second transmission belt 208, the side inner wall of second transmission belt 208 is drivingly connected with the side of third transmission wheel 211, left two crossbeams 202 are a group, right two crossbeams 202 are a group, during use, mounting column 214 drives third transmission wheel 211 to rotate, makes same side two crossbeams 202 rotate simultaneously by second transmission belt 208 connecting third transmission wheel 211 and first transmission wheel 204, and the rotating direction is opposite.

[0025] The side of the mounting shaft 205 is fixedly sleeved with a fourth transmission wheel 213, the side of the fourth transmission wheel 213 is transmissionally connected with a first transmission belt 207, the side of the mounting column 214 is fixedly sleeved with a second transmission wheel 209, the side of the second transmission wheel 209 is transmissionally connected with the side inner wall of the first transmission belt 207, the left two cross beams 202 and the right cross beam 202 are transmissionally connected through the second transmission wheel 209, the first transmission belt 207 and the fourth transmission wheel 213, the rotating directions of the two groups of cross beams 202 are opposite, one motor drives the four cross beams 202 to rotate at the same time, the use of driving components is reduced, and the cost is reduced.

[0026] The bottom end of the anti-skid seat 301 is provided with three mounting holes 305, the top end of the mounting hole 305 is fixedly connected with a reset spring 304, the bottom end of the reset spring 304 is fixedly connected with a pressing block 303, the top end of the mounting hole 305 is fixedly connected with a buffer spring 306, the bottom end of the buffer spring 306 is fixedly connected with a touch switch 307, the top end of the anti-skid seat 301 is fixedly connected with an indicating lamp, the anti-skid seat 301 is in contact with the ground, the pressing block 303 is in contact with the ground, the pressing block 303 is arranged in the mounting hole 305, the top end of the pressing block 303 is in contact with the touch switch 307, the touch switch 307 controls the indicating lamp at the top end of the anti-skid seat 301 to emit green light, indicating that the bottom end of the anti-skid seat 301 is in contact with the ground, when the anti-skid seat 301 is not in contact with the ground, the reset spring 304 pushes the pressing block 303 downward to separate the pressing block 303 from the touch switch 307, the touch switch 307 controls the indicating lamp to emit red light, facilitating an operator to adjust the hydraulic telescopic column 203, so that the bottom of the anti-skid seat 301 is in contact with the ground to support.

[0027] The three mounting holes 305 are uniformly distributed at the bottom end of the anti-skid seat 301, the bottom end of the anti-skid seat 301 is provided with an anti-skid line groove, when the three touch switches 307 are in contact with the pressing block 303, the touch switch 307 controls the indicating lamp to emit green light, ensuring that the entire bottom of the anti-skid seat 301 is in contact with the ground.

[0028] The utility model discloses a working principle: need to support semi trailer hopper 1 in the use process, start drive motor 206 and drive mounting column 214 to rotate, through the mutual meshing of first transmission gear 210 and second transmission gear 212 drive mounting shaft 205 rotation, simultaneously through third transmission wheel 211, second transmission belt 208 and first transmission wheel 204 make two cross beams 202 rotate and rotate direction opposite, through second transmission wheel 209, first transmission belt 207 and fourth transmission wheel 213 make two cross beams 202 rotate and rotate direction opposite, thereby make four cross beams 202 along mounting shaft 205 to semi trailer hopper 1 outside movement, and remove the storage bin 201 and remove semi trailer hopper 1, when hydraulic telescopic column 203 start and push antiskid seat 301 to move downwards, antiskid seat 301 along universal ball head 302 rotation, until three briquetting 303 all with ground contact, make briquetting 303 income mounting hole 305 inside, the top of briquetting 303 and touch switch 307 contact, make touch switch 307 control antiskid seat 301 top end pilot lamp emit green light, show that hydraulic telescopic column 203 adjust complete, when not using, when not using hydraulic telescopic column 203 drive adjusting mechanism 3 and move upwards, reverse start drive motor 206, make cross beam 202 along mounting shaft 205 rotation and income storage bin 201 inside and be located semi trailer hopper 1's bottom end.

[0029] The above only is the preferred embodiment of the utility model and does not use for limiting the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should include in the protection scope of the utility model.

Claims

1. A small hydraulic lifting device for a semitrailer, comprising a semitrailer container (1), characterized in that Also include: Supporting mechanism (2) and adjusting mechanism (3), the bottom end of the semitrailer tank (1) is fixedly connected with the top end of the supporting mechanism (2), the top end of the adjusting mechanism (3) is fixedly connected with the bottom end of the supporting mechanism (2), the supporting mechanism (2) comprises a storage bin (201), the top end of the storage bin (201) is movably sleeved with a mounting shaft (205), the bottom end of the mounting shaft (205) is fixedly connected with a cross beam (202) penetrating through the top end inner wall of the storage bin (201), the bottom end of the cross beam (202) is fixedly connected with a hydraulic telescopic column (203), the adjusting mechanism (3) comprises an antiskid seat (301), the top end of the antiskid seat (301) is movably sleeved with a universal ball head (302), the top end of the universal ball head (302) is fixedly connected with the bottom end of the hydraulic telescopic column (203).

2. A small hydraulic lifting device for a semitrailer according to claim 1, characterized in that The side surface of the mounting shaft (205) is fixedly sleeved with a second transmission gear (212), the top end of the storage bin (201) is movably sleeved with a mounting column (214), the side surface of the mounting column (214) is fixedly sleeved with a first transmission gear (210), the side surface of the mounting shaft (205) is fixedly sleeved with a second transmission gear (212), the side surface of the first transmission gear (210) and the side surface of the second transmission gear (212) are meshed with each other, the bottom end inner wall of the semitrailer tank (1) is fixedly connected with a drive motor (206), the output shaft of the drive motor (206) is fixedly connected with the top end of the mounting column (214) penetrating through the bottom end of the semitrailer tank (1).

3. A small hydraulic lifting device for a semitrailer according to claim 2, characterized in that The side surface of the mounting column (214) is fixedly sleeved with a third transmission wheel (211), the side surface of the mounting shaft (205) is fixedly sleeved with a first transmission wheel (204), the side surface of the first transmission wheel (204) is drivingly connected with a second transmission belt (208), the side surface inner wall of the second transmission belt (208) is drivingly connected with the side surface of the third transmission wheel (211).

4. A small hydraulic lifting device for a semitrailer according to claim 2, characterized in that The side surface of the mounting shaft (205) is fixedly sleeved with a fourth transmission wheel (213), the side surface of the fourth transmission wheel (213) is drivingly connected with a first transmission belt (207), the side surface of the mounting column (214) is fixedly sleeved with a second transmission wheel (209), the side surface of the second transmission wheel (209) is drivingly connected with the side surface inner wall of the first transmission belt (207).

5. A small hydraulic lifting device for a semitrailer according to claim 1, characterized in that: The bottom end of the antiskid seat (301) is provided with three mounting holes (305), the top end of the mounting hole (305) is fixedly connected with a reset spring (304), the bottom end of the reset spring (304) is fixedly connected with a pressing block (303), the top end of the mounting hole (305) is fixedly connected with a buffer spring (306), the bottom end of the buffer spring (306) is fixedly connected with a touch switch (307), the top end of the antiskid seat (301) is fixedly connected with an indicator lamp.

6. A small hydraulic lifting device for a semitrailer according to claim 5, characterized in that The three mounting holes (305) are evenly distributed on the bottom end of the antiskid seat (301), and the bottom end of the antiskid seat (301) is provided with an antiskid groove.