CN220429793U - Shock absorption protection device for in-field semitrailer - Google Patents
Shock absorption protection device for in-field semitrailer Download PDFInfo
- Publication number
- CN220429793U CN220429793U CN202321905104.8U CN202321905104U CN220429793U CN 220429793 U CN220429793 U CN 220429793U CN 202321905104 U CN202321905104 U CN 202321905104U CN 220429793 U CN220429793 U CN 220429793U
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- China
- Prior art keywords
- steel plate
- semitrailer
- damping
- spring steel
- field
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- 230000035939 shock Effects 0.000 title claims abstract description 54
- 238000010521 absorption reaction Methods 0.000 title abstract description 8
- 238000013016 damping Methods 0.000 claims abstract description 52
- 229910000639 Spring steel Inorganic materials 0.000 claims abstract description 41
- 239000006096 absorbing agent Substances 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 3
- 230000001012 protector Effects 0.000 claims 5
- 238000009434 installation Methods 0.000 abstract description 8
- 239000003381 stabilizer Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Vibration Dampers (AREA)
Abstract
The utility model discloses a shock absorption protection device for an in-field semitrailer, and relates to the technical field of shock absorption protection devices for in-field semitrailers. This a shock attenuation protection device for in-field semitrailer, including the semitrailer frame that is located the upper end, semitrailer frame lower extreme is the show and is provided with spring steel plate installer, be provided with the spring steel plate between the spring steel plate installer, the spring steel plate lower extreme is provided with the axletree, be provided with the steel sheet support in the middle of the spring steel plate, the spring steel plate passes through the steel sheet support with the axletree and is connected, be provided with the damping stopper between steel sheet support and the semitrailer frame, axletree and the inside installation stabilizer blade that is provided with of semitrailer frame, be provided with the damping bumper shock absorber between the installation stabilizer blade, the parallel installation of damping bumper shock absorber and spring steel plate. This a damping protection device for in-field semitrailer has increased damping stopper and damping bumper shock absorber, when meetting the road surface and is uneven, prevents that the too big key supporting position of vibration from causing the influence.
Description
Technical Field
The utility model relates to the technical field of shock absorption protection devices of semitrailers in fields, in particular to a shock absorption protection device for a semitrailer in a field.
Background
Along with the increase of throughput of the domestic container terminal industry, the number and the running time of container semitrailers for internal transfer of the terminal are increased at the same time, and accidents related to the container semitrailers are increased year by year. The semitrailer in the SCT harbor district is mainly used for carrying out container transferring work in the field, the driving mileage of each semitrailer is about 4 km, the loading and unloading box quantity is 1300, the road surface is uneven due to the settlement of the road in the harbor district, the arrangement of a speed reducing belt at an intersection is unreasonable, the influence of the loading and unloading impact of the container is frequently born when the semitrailer is matched with the operation of a large hoisting machine, the damage frequency of a spring steel plate, a tire steel ring, a buffer support balance beam and the like of key parts of the semitrailer is increasingly severe, the risk of tipping the container carried in the semitrailer operation, the semitrailer and the trailer turning over or the collision with the passing vehicle is aggravated due to the sudden inclination of the semitrailer, serious potential safety hazards exist, and the shock absorption protection device of the traditional semitrailer in the field is mostly buffered and protected through the spring steel plate, and the occurrence of the accidents is difficult to be avoided.
In order to effectively reduce the occurrence probability of such risk events, a damping protection device is additionally arranged on an original suspension support system of the container semitrailer in the field by adopting a technical means, so that unpredictable accident risks caused by sudden damage of key bearing and supporting components of the semitrailer, such as leaf springs, tire steel rings, buffer support balance beams and the like, are avoided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the damping protection device for the in-field semitrailer, which solves the problem that the occurrence of accidents is difficult to avoid by buffering and protecting through a spring steel plate.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a shock attenuation protection device for in-field semitrailer, including the semitrailer frame that is located the upper end, semitrailer frame lower extreme is the show and is provided with spring steel plate installer, be provided with the spring steel plate between the spring steel plate installer, the spring steel plate lower extreme is provided with the axletree, be provided with the steel sheet support in the middle of the spring steel plate, the spring steel plate passes through the steel sheet support with the axletree and is connected, be provided with the damping stopper between steel sheet support and the semitrailer frame, axletree and the inside installation stabilizer blade that is provided with of semitrailer frame, be provided with the damping bumper shock absorber between the installation stabilizer blade, the damping bumper shock absorber is installed with the spring steel plate is parallelly connected.
Preferably, the damping shock absorber adopts a hydraulic shock absorber to absorb shock.
Preferably, the damping limiter is a rubber damper.
Preferably, the damping shock absorbers are in an isosceles triangle shape.
Preferably, a protective sleeve is arranged on the periphery of the outer surfaces of the damping shock absorber and the damping limiter.
Preferably, a rubber pad is arranged at the tail end of the inner side of the protective sleeve.
(III) beneficial effects
The utility model provides a shock absorption protection device for an on-site semitrailer. The beneficial effects are as follows:
this a damping protection device for in-field semitrailer has increased damping limiter and damping bumper shock absorber, runs into road surface unevenness, intersection deceleration strip setting unreasonable, and frequently bears container loading and unloading when the operation of large-scale hoisting machinery of cooperation when strikeeing, carries out the bradyseism by the spring steel sheet earlier, and the resilience's of damping limiter and damping bumper shock absorber is relaxed, prevents that the too big key supporting position of vibration from causing the influence.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
fig. 3 is an enlarged view of a portion of the present utility model.
In the figure: 1. a semitrailer frame; 2. a spring steel plate installer; 3. a spring steel plate; 4. an axle; 5. a steel plate support; 6. a damping limiter; 7. mounting support legs; 8. damping shock absorber; 21. and a protective sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides the following technical solutions: a shock attenuation protection device for in-field semitrailer, including the semitrailer frame 1 that is located the upper end, semitrailer frame 1 lower extreme is the show and is provided with spring steel plate installer 2, be provided with spring steel plate 3 between the spring steel plate installer 2, spring steel plate 3 lower extreme is provided with axletree 4, be provided with steel plate support 5 in the middle of the spring steel plate 3, spring steel plate 3 passes through steel plate support 5 with axletree 4 and is connected, be provided with damping limiter 6 between steel plate support 5 and semitrailer frame 1, axletree 4 is provided with installation stabilizer blade 7 with semitrailer frame 1 inside, be provided with damping shock absorber 8 between the installation stabilizer blade 7, damping shock absorber 8 and the parallelly connected installation of spring steel plate 3.
During operation, when vehicles meet uneven road surfaces, unreasonable arrangement of speed-reducing belts at intersections and are matched with large hoisting machinery, weight is pressed onto the semi-trailer frame 1 through a container or other carriers when the large hoisting machinery is operated and frequently bears container loading and unloading impact, the weight is pressed onto the semi-trailer frame 1 and then is transmitted onto the spring steel plate installer 2 and then is transmitted onto the spring steel plate 3, the spring steel plate 3 transmits the received force onto the axle 4 through the steel plate support 5, meanwhile, the received force is transmitted onto the damping shock absorber 8 through the semi-trailer frame 1, the force is subjected to internal friction in the damping shock absorber 8 to unload a part of the force, the spring steel plate 3 is prevented from being deformed excessively, and if the deformation of the spring steel plate 3 reaches or exceeds the limit stop specified position due to the excessive pressure, the larger received resistance is started, so that the damage of the spring steel plate 3, the tire steel ring, the buffer support balance beam and the like can be effectively prevented.
Referring to fig. 1-3, the present utility model provides the following technical solutions: the damping shock absorber 8 adopts a hydraulic shock absorber to absorb shock.
When the vibration absorber is in operation, when the frame and the axle vibrate and relative motion occurs, the piston in the vibration absorber moves up and down, oil in the cavity of the vibration absorber flows into the other cavity from one cavity through different holes repeatedly, at the moment, friction between the hole wall and the oil and internal friction between oil molecules form damping force on vibration, so that vibration energy of the frame is converted into oil heat energy, and then the vibration absorber absorbs and distributes the oil into the atmosphere, so that the vibration absorbing effect can be effectively achieved.
Referring to fig. 1-3, the present utility model provides the following technical solutions: the damping limiter 6 adopts a rubber damper.
When the vibration isolator works, the natural frequency of the vibration isolation system is lower, the vibration isolator has higher damping, meanwhile, under the condition of certain preload, amplitude and vibration frequency in a certain direction, after the product is vibrated reciprocally for n times, the product is good or the product is vibrated reciprocally until the vibration times of damage are increased, the service life can be prolonged, when the plate spring is deformed to or beyond the specified position of the limiter, the damper is triggered, the larger the deformation amplitude is, the stronger the resistance of the damper to resist and limit the deformation of the steel plate is, so that the safety protection effect is realized.
Referring to fig. 1, the present utility model provides the following technical solutions: the damping shock absorbers 8 are isosceles triangles.
When the triangular damping shock absorber works, the triangle has the unchanged shape compared with other polygonal structures under the condition of bearing external pressure or tension, namely, the triangle can be kept in the original state under the action of larger force, the isosceles triangle can uniformly distribute the received pressure to two sides, namely, the two damping shock absorbers 8, and the mounting support legs 7 are prevented from being broken and torn due to overlarge pressure on one side.
Referring to fig. 1-3, the present utility model provides the following technical solutions: and a protective sleeve 21 is arranged on the periphery of the outer surfaces of the damping shock absorber 8 and the damping limiter 6.
When the vehicle runs on road conditions with more shrubs or stones, the shock absorber 8 and the damping limiter 6 can be prevented from being scratched or extruded and deformed by the shrubs or the stones flying, and the shock absorber 8 and the damping limiter 6 can be prevented from being torn or broken even at the joint.
Referring to fig. 1-3, the present utility model provides the following technical solutions: the inner end of the protective sleeve 21 is provided with a rubber pad.
When the damper is in operation, the impact received by the damper is too large to exceed the range of the damper shock absorber 8 and the damper limiter 6, so that the damper shock absorber 8 and the damper limiter 6 can be prevented from being damaged due to collision between the diameter and the joint.
In summary, this a damping protection device for on-the-spot semitrailer has increased damping limiter 6 and damping bumper shock absorber 8, when meetting road surface unevenness, intersection deceleration strip setting unreasonable, and frequently bear container loading and unloading impact when the large-scale hoisting machinery operation of cooperation, earlier by the spring steel sheet cushion, later by damping limiter and damping bumper shock absorber with the resilience's power alleviate, prevent that the too big key supporting position of vibration from causing the influence.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A shock attenuation protection device for in-field semitrailer, including semitrailer frame (1) that is located the upper end, its characterized in that: the novel suspension type suspension device for the semi-trailer comprises a semi-trailer frame (1), wherein a spring steel plate installer (2) is arranged at the lower end of the semi-trailer frame (1), a spring steel plate (3) is arranged between the spring steel plate installer (2), an axle (4) is arranged at the lower end of the spring steel plate (3), a steel plate support (5) is arranged in the middle of the spring steel plate (3), the spring steel plate (3) is connected with the axle (4) through the steel plate support (5), a damping limiter (6) is arranged between the steel plate support (5) and the semi-trailer frame (1), mounting support legs (7) are arranged inside the axle (4) and the semi-trailer frame (1), damping shock absorbers (8) are arranged between the mounting support legs (7), and the damping shock absorbers (8) and the spring steel plate (3) are installed in parallel.
2. The shock absorbing protector for an on-site semitrailer as claimed in claim 1, wherein: the damping shock absorber (8) adopts a hydraulic shock absorber to absorb shock.
3. The shock absorbing protector for an on-site semitrailer as claimed in claim 1, wherein: the damping limiter (6) adopts a rubber damper.
4. The shock absorbing protector for an on-site semitrailer as claimed in claim 1, wherein: the damping shock absorbers (8) are isosceles triangles.
5. The shock absorbing protector for an on-site semitrailer as claimed in claim 1, wherein: and a protective sleeve (21) is arranged on the periphery of the outer surfaces of the damping shock absorber (8) and the damping limiter (6).
6. The shock absorbing protector for an on-site semi-trailer as claimed in claim 5, wherein: and a rubber pad is arranged at the tail end of the inner side of the protective sleeve (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321905104.8U CN220429793U (en) | 2023-07-19 | 2023-07-19 | Shock absorption protection device for in-field semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321905104.8U CN220429793U (en) | 2023-07-19 | 2023-07-19 | Shock absorption protection device for in-field semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220429793U true CN220429793U (en) | 2024-02-02 |
Family
ID=89690798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321905104.8U Active CN220429793U (en) | 2023-07-19 | 2023-07-19 | Shock absorption protection device for in-field semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220429793U (en) |
-
2023
- 2023-07-19 CN CN202321905104.8U patent/CN220429793U/en active Active
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