CN210310082U - Lifting device of low-flat-bed semitrailer - Google Patents
Lifting device of low-flat-bed semitrailer Download PDFInfo
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- CN210310082U CN210310082U CN201921210856.6U CN201921210856U CN210310082U CN 210310082 U CN210310082 U CN 210310082U CN 201921210856 U CN201921210856 U CN 201921210856U CN 210310082 U CN210310082 U CN 210310082U
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- electric telescopic
- telescopic rod
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims description 9
- 230000009193 crawling Effects 0.000 abstract description 4
- 230000001174 ascending effect Effects 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract 2
- 241000282326 Felis catus Species 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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Abstract
The utility model discloses a low flat-bed semitrailer lifting device, which comprises a low flat-bed semitrailer body, wherein one end of a frame of the low flat-bed semitrailer body is hinged with a crawling ladder through a hinge joint, one side of the crawling ladder is fixedly provided with a limiting block, the interior of the frame of the low flat-bed semitrailer body is fixedly provided with a rolling device, the rolling device comprises a driving motor, the output end of the driving motor is fixedly connected with a wire receiving roller, the surface of the wire receiving roller is wound with a steel rope, one side of the top end of the frame of the low flat-bed semitrailer body is respectively provided with a first electric telescopic rod and a second electric telescopic rod, the utility model has the advantages of reasonable and simple design through the arrangement of the first electric telescopic rod, the second electric telescopic rod and a fixed pulley, realizing the automatic operation of the ascending and descending of the crawling ladder, saving, reasonable utilization of the area of the frame, small occupied area and convenient use.
Description
Technical Field
The utility model relates to an over-and-under type device, in particular to low flat-bed semitrailer over-and-under type device.
Background
Low flatbed semi-trailers are commonly used to transport heavy vehicles (e.g., tractors, buses, trucks, etc.), rail vehicles, mining machines, forestry machines, construction machines (e.g., excavators, dozers, loaders, pavers, cranes, etc.) and other heavy goods, the lower the center of gravity, the better the stability and safety, and the greater the ability to transport ultra-high goods and through overhead obstacles.
At the present stage, in order to facilitate the use of the low flatbed semi-trailer, the low flatbed semi-trailer is generally hinged with a ladder stand at the rear part of a frame, and a container or other objects go up and down the low flatbed semi-trailer by the ladder stand; before and after goods are loaded and unloaded, the crawling ladder needs to be put down or put up, manual operation is generally adopted in the process, and the manual hoist type lifting device wastes time and labor, so that the lifting device of the low-bed semitrailer is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low flatbed semitrailer over-and-under type device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low flatbed semitrailer over-and-under type device, includes the low flatbed semitrailer body, the one end of low flatbed semitrailer body frame articulates through hinge joint has the cat ladder, one side fixed mounting of cat ladder has the stopper, the inside fixed mounting of low flatbed semitrailer body frame has the coiling mechanism, the coiling mechanism includes driving motor, driving motor's output fixedly connected with receipts line roller, the surface winding of receiving line roller has the steel cable, first electric telescopic handle and second electric telescopic handle are installed respectively to one side on low flatbed semitrailer body frame top, just second electric telescopic handle is located one side of first electric telescopic handle, first electric telescopic handle's the flexible end and second electric telescopic handle's flexible end all have the fixed pulley through otic placode fixed mounting.
As a preferred technical scheme of the utility model, two fixed pulleys are walked around respectively and stopper fixed connection to the one end of steel cable.
As a preferred technical scheme of the utility model, driving motor, first electric telescopic handle and second electric telescopic handle are respectively through the switch and the low flat-bed semitrailer body built-in power supply electric connection that correspond.
As an optimized technical scheme of the utility model, first electric telescopic handle's extension length is greater than second electric telescopic handle's extension length.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a low flatbed semitrailer over-and-under type device through first electric telescopic handle, second electric telescopic handle and the fixed pulley that is equipped with, reasonable in design is simple, has realized the automation mechanized operation that the cat ladder goes up and down, and labour saving and time saving improves the security of operation, through installing the coiling mechanism in the inside of low flatbed semitrailer body frame, reasonable utilization frame area, area occupied is less, convenient to use.
Drawings
FIG. 1 is a schematic view of the ascending structure of the ladder stand of the present invention;
FIG. 2 is a schematic view of the descending structure of the ladder stand of the present invention;
fig. 3 is the structure diagram of the winding device of the utility model.
In the figure: 1. a low bed semi-trailer body; 2. a hinge joint; 3. climbing a ladder; 4. a winding device; 5. a first electric telescopic rod; 6. a second electric telescopic rod; 7. a fixed pulley; 8. a limiting block; 9. a drive motor; 10. a wire take-up roller; 11. a steel cord.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model provides a low flat-bed semitrailer lifting device, which comprises a low flat-bed semitrailer body 1, a ladder 3 is hinged on one end of the frame of the low flat-bed semitrailer body 1 through a hinge joint 2, a limit block 8 is fixedly arranged on one side of the ladder 3, a winding device 4 is fixedly arranged in the frame of the low flat-bed semitrailer body 1, the winding device 4 comprises a driving motor 9, a wire take-up roller 10 is fixedly connected with the output end of the driving motor 9, a steel cable 11 is wound on the surface of the wire take-up roller 10, a first electric telescopic rod 5 and a second electric telescopic rod 6 are respectively arranged on one side of the top end of the, and the second electric telescopic rod 6 is positioned at one side of the first electric telescopic rod 5, and the telescopic end of the first electric telescopic rod 5 and the telescopic end of the second electric telescopic rod 6 are both fixedly provided with a fixed pulley 7 through ear plates.
Preferably, one end of the steel rope 11 respectively bypasses the two fixed pulleys 7 and is fixedly connected with the limiting block 8, so that the automatic lifting of the ladder stand 3 is conveniently realized.
Preferably, the driving motor 9, the first electric telescopic rod 5 and the second electric telescopic rod 6 are respectively electrically connected with the built-in power supply of the low-bed semitrailer body 1 through corresponding switches, so that the operation and the control of workers are facilitated.
Preferably, the extension length of first electric telescopic handle 5 is greater than the extension length of second electric telescopic handle 6, and the 3 lift in-process of cat ladder of being convenient for is more stable smooth-going.
When the ladder stand 3 needs to be lowered, the switch of the first electric telescopic rod 5 and the switch of the second electric telescopic rod 6 are started firstly, so that the first electric telescopic rod 5 and the second electric telescopic rod 6 are in a certain gradient, the switch of the driving motor 9 is started again, the driving motor 9 drives the wire receiving roller 10 to rotate, the wire receiving roller 10 lengthens the steel rope 11, the ladder stand 3 slowly descends along the low-flat-plate semitrailer body 1 through the hinge joint 2, when the ladder stand 3 needs to be raised, the switch of the driving motor 9 is started, so that the driving motor 9 drives the wire receiving roller 10 to rotate, the wire receiving roller 10 winds the steel rope 11, the ladder stand 3 slowly ascends along the low-flat-plate semitrailer body 1 through the hinge joint 2, and finally the switch of the first electric telescopic rod 5 and the switch of the second electric telescopic rod 6 are started, make first electric telescopic handle 5 and second electric telescopic handle 6 shorten, the transportation of being convenient for, the utility model discloses a first electric telescopic handle 5, second electric telescopic handle 6 and fixed pulley 7 that are equipped with, reasonable in design is simple, has realized the automation mechanized operation that cat ladder 3 goes up and down, and labour saving and time saving improves the security of operation, through installing coiling mechanism 4 in the inside of low flat-bed semitrailer body 1 frame, reasonable utilization frame area, area occupied is less, convenient to use.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Claims (4)
1. A low flatbed semi-trailer lifting device comprises a low flatbed semi-trailer body (1) and is characterized in that one end of a frame of the low flatbed semi-trailer body (1) is hinged with a ladder stand (3) through a hinge joint (2), a limiting block (8) is fixedly arranged on one side of the ladder stand (3), a winding device (4) is fixedly arranged inside the frame of the low flatbed semi-trailer body (1), the winding device (4) comprises a driving motor (9), an output end of the driving motor (9) is fixedly connected with a wire winding roller (10), a steel rope (11) is wound on the surface of the wire winding roller (10), a first electric telescopic rod (5) and a second electric telescopic rod (6) are respectively arranged on one side of the top end of the frame of the low flatbed semi-trailer body (1), and the second electric telescopic rod (6) is positioned on one side of the first electric telescopic, the telescopic end of the first electric telescopic rod (5) and the telescopic end of the second electric telescopic rod (6) are both provided with fixed pulleys (7) through ear plates.
2. The low flatbed semi-trailer lifting device of claim 1, wherein: one end of the steel rope (11) respectively bypasses the two fixed pulleys (7) and is fixedly connected with the limiting block (8).
3. The low flatbed semi-trailer lifting device of claim 1, wherein: the driving motor (9), the first electric telescopic rod (5) and the second electric telescopic rod (6) are respectively electrically connected with a built-in power supply of the low-flat-bed semitrailer body (1) through corresponding switches.
4. The low flatbed semi-trailer lifting device of claim 1, wherein: the extension length of the first electric telescopic rod (5) is greater than that of the second electric telescopic rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210856.6U CN210310082U (en) | 2019-07-30 | 2019-07-30 | Lifting device of low-flat-bed semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210856.6U CN210310082U (en) | 2019-07-30 | 2019-07-30 | Lifting device of low-flat-bed semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210310082U true CN210310082U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921210856.6U Active CN210310082U (en) | 2019-07-30 | 2019-07-30 | Lifting device of low-flat-bed semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210310082U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111497723A (en) * | 2020-05-07 | 2020-08-07 | 郭新 | Pull-type backward-turning self-discharging semitrailer |
| CN112550118A (en) * | 2020-11-26 | 2021-03-26 | 浙江东腾智能装备有限公司 | Novel clamping rail type hydraulic tractor |
-
2019
- 2019-07-30 CN CN201921210856.6U patent/CN210310082U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111497723A (en) * | 2020-05-07 | 2020-08-07 | 郭新 | Pull-type backward-turning self-discharging semitrailer |
| CN112550118A (en) * | 2020-11-26 | 2021-03-26 | 浙江东腾智能装备有限公司 | Novel clamping rail type hydraulic tractor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 272600 government station of quanpu Town, Jining City, Shandong Province Patentee after: Tongya Automobile Manufacturing Co.,Ltd. Country or region after: China Address before: Government Office of Quanpu Town, Jining City, Shandong Province Patentee before: SHANDONG LIANGSHAN TONGYA AUTOMOBILE CO.,LTD. Country or region before: China |