CN108248704A - Knock into the back buffer-type cargo steel construction section bar - Google Patents
Knock into the back buffer-type cargo steel construction section bar Download PDFInfo
- Publication number
- CN108248704A CN108248704A CN201810116221.3A CN201810116221A CN108248704A CN 108248704 A CN108248704 A CN 108248704A CN 201810116221 A CN201810116221 A CN 201810116221A CN 108248704 A CN108248704 A CN 108248704A
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- Prior art keywords
- steel bar
- section steel
- bar
- section
- type
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 131
- 239000010959 steel Substances 0.000 title claims abstract description 131
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/04—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
It knocks into the back buffer-type cargo steel construction section bar the invention discloses one kind, including compartment steel construction, the compartment steel construction includes car side board, compartment roof plate and platform floor, the left and right sides of the platform floor connects combined type shaped steel respectively, the combined type shaped steel is made of outer-enwraped type section steel bar and embedded section steel bar, the embedded section steel bar is imported from the opening of the outer-enwraped type section steel bar, the section of the embedded section steel bar is identical with the outer-enwraped type section steel bar, the sheet structure of protrusion is equipped among the four sides outer wall of the embedded section steel bar, the upper end connection T shapes of the sheet structure fix hook, the T shape grooves being recessed inwardly are equipped among the inner wall of the outer-enwraped type section steel bar, the T shapes fix hook and import the T shapes trench interiors.By the above-mentioned means, the present invention enables to the steel construction of cargo to have the function of to absorb impact force, rear-end collision is avoided to generate huge destruction.
Description
Technical field
The present invention relates to section bar field, knock into the back buffer-type cargo steel construction section bar more particularly to one kind.
Background technology
Section bar is made of iron or steel and material with some strength and toughness by rolling, squeezing out, the techniques such as casting
The object with certain geometrical shape.The apparent size that this kind of material has is certain, and section is in definite shape, is had centainly
Mechanical and physical character, the section bar formed by material manufactures such as metallic iron or aluminium are known as shaped steel, and shaped steel is usually used in forming each class framework
Structure, from building construction to automobile bodies, application range is very extensive, and automobile bodies occupy the whole most of knot of lorry
Structure, in traffic accident, compartment by the automobile overwhelming majority impact force action, especially when by vehicle tail end due to knocking into the back
Caused by when collide, if the steel construction intensity in compartment is not up to standard, compartment can be extruded under huge impact force action
To the driver's cabin of front end, it is most likely that life is caused to injure driver.
Invention content
It knocks into the back buffer-type cargo steel construction section bar, can make the invention mainly solves the technical problem of providing one kind
Obtaining the steel construction of cargo has the function of to absorb impact force, and rear-end collision is avoided to generate huge destruction.
In order to solve the above technical problems, one aspect of the present invention is：One kind is provided to knock into the back buffer-type van-type
Lorry steel construction section bar, including compartment steel construction, the compartment steel construction includes car side board, compartment roof plate and platform floor,
The compartment roof plate and the platform floor are connected to the upper and lower ends of the car side board, the left and right of the platform floor
Both sides connect a combined type shaped steel respectively, and the combined type shaped steel is made of outer-enwraped type section steel bar and embedded section steel bar, institute
It is rectangle structure to state the inner hollow of outer-enwraped type section steel bar and its section, and one end of the outer-enwraped type section steel bar, which is equipped with, opens
Mouthful, the other end of the outer-enwraped type section steel bar is closing mouth, and the embedded section steel bar is from the opening of the outer-enwraped type section steel bar
Place imports, and the section of the embedded section steel bar is identical with the outer-enwraped type section steel bar, outside the four sides of the embedded section steel bar
The sheet structure of protrusion is equipped among wall, the upper end connection T shapes of the sheet structure fix hook, the outer-enwraped type section steel bar
The T shape grooves being recessed inwardly are equipped among inner wall, the T shapes fix hook and import the T shapes trench interiors, the embedded type
One end of steel bar is connected with bradyseism bourdon tube, and one end of the bradyseism bourdon tube is connected to the closing mouth of the outer-enwraped type section steel bar
One end.
In a preferred embodiment of the present invention, the maximum compression performance of the bradyseism bourdon tube is itself normality length
Half.
In a preferred embodiment of the present invention, the head and the tail both ends of the T shapes groove are equipped with limit switch.
In a preferred embodiment of the present invention, the shaped steel that the car side board is set up vertically by several is formed, described
Compartment roof plate both sides also are provided with the combined type shaped steel, and the shaped steel is connected between the combined type shaped steel.
The beneficial effects of the invention are as follows：The present invention has carried out Curve guide impeller to the compartment steel construction of cargo, from compartment
The structure of the most basic composition unit section steel bar of steel construction is set out, and tool is devised in the steel bar structure of the vertical and horizontal in compartment
There is the composite structure steel bar of pooling feature, this kind of steel bar is made of inside and outside two layers of shaped steel, and internal steel bar front end is mounted with to delay
Spring structure is shaken, when strong impact power of the boxcar by rear end, just a large amount of impact force can be absorbed, avoid compartment
Whole forward slip hits driver's cabin.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, wherein：
Fig. 1 is the structure diagram of buffer-type cargo steel construction section bar one preferred embodiment of the invention of knocking into the back；
Fig. 2 is the structure diagram of a preferred embodiment of shown combined type shaped steel；
The label of each component is as follows in attached drawing：1st, compartment steel construction；2nd, car side board；3rd, compartment roof plate；4th, platform floor；5th, group
Box-like shaped steel；6th, outer-enwraped type section steel bar；7th, embedded section steel bar；8th, sheet structure；9th, T shapes fix hook；10th, T shapes groove；
11st, bradyseism bourdon tube；12nd, shaped steel.
Specific embodiment
The technical solution in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
All other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
It please refers to Fig.1 and Fig. 2, the embodiment of the present invention includes：
One kind knocks into the back buffer-type cargo steel construction section bar, and including compartment steel construction 1, the compartment steel construction 1 includes compartment
Side plate 2, compartment roof plate 3 and platform floor 4, the compartment roof plate 3 and the platform floor 4 are connected to the car side board
2 upper and lower ends, the left and right sides of the platform floor 4 connect a combined type shaped steel 5 respectively, the combined type shaped steel 5 by
Outer-enwraped type section steel bar 6 and embedded section steel bar 7 are formed, and the inner hollow of the outer-enwraped type section steel bar 6 and its section are rectangular
Shape structure, one end of the outer-enwraped type section steel bar 6 are equipped with opening, and the other end of the outer-enwraped type section steel bar 6 is closing mouth, described
Embedded section steel bar 7 is imported from the opening of the outer-enwraped type section steel bar 6, the section of the embedded section steel bar 7 with it is described outer
Packet mode section steel bar 6 is identical, and the sheet structure 8 of protrusion, the plate knot are equipped among the four sides outer wall of the embedded section steel bar 7
The upper end connection T shapes of structure 8 fix hook 9, and the T shapes groove 10 being recessed inwardly is equipped among the inner wall of the outer-enwraped type section steel bar 6,
The T shapes are fixed hook 9 and are imported inside the T shapes groove 10, and one end of the embedded steel item 7 is connected with bradyseism bourdon tube
11, one end of the bradyseism bourdon tube 11 is connected to closing mouth one end of the outer-enwraped type section steel bar 6.
In addition, the maximum compression performance of the bradyseism bourdon tube 11 is the half of itself normality length.
In addition, the head and the tail both ends of the T shapes groove 10 are equipped with limit switch.
In addition, the car side board 2 is made of several shaped steel set up vertically 12,3 both sides of compartment roof plate are also set
There is the combined type shaped steel 5, the shaped steel 12 is connected between the combined type shaped steel 5.
The operation principle of the present invention includes car side board 2, compartment roof plate 3 and platform floor 4, compartment for compartment steel construction 1
Top plate 3 and platform floor 4 are connected to the upper and lower ends of car side board 2, and the left and right sides of platform floor 4 connects one respectively
Combined type shaped steel 5, the combined type shaped steel 5 are composed of the section steel material of more different structures, have ordinary construction type
The function that steel does not have, such as telescopic.
Combined type shaped steel 5 is made of outer-enwraped type section steel bar 6 and embedded section steel bar 7, the inner hollow of outer-enwraped type section steel bar 6
And its section is rectangle structure, and one end of outer-enwraped type section steel bar 6 is equipped with opening, and the other end of outer-enwraped type section steel bar 6 is envelope
It remains silent, closes and metal derby and the integrally molded closure of steel bar opening are embedded at mouth.
Embedded section steel bar 7 is imported from the opening of outer-enwraped type section steel bar 6, the section of embedded section steel bar 7 and outer-enwraped type
Section steel bar 6 is identical, and the sheet structure 8 of protrusion is equipped among the four sides outer wall of embedded section steel bar 7, and the upper end of sheet structure 8 connects
It connects T shapes and fixes hook 9, the T shapes groove 10 being recessed inwardly is equipped among the inner wall of outer-enwraped type section steel bar 6, T shapes are fixed hook 9 and led
Enter inside T shapes groove 10, embedded section steel bar 7 is not sent out by fixation between the fixed structure on four end faces and outer-enwraped type section steel bar
Life comes off.
One end of embedded steel item 7 is connected with bradyseism bourdon tube 11, and one end of bradyseism bourdon tube 11 is connected to outer-enwraped type
Closing mouth one end of section steel bar 6, the maximum compression performance of bradyseism bourdon tube 11 are the half of itself normality length, work as automobile
Tail end by enormous impact when, embedded section steel bar is acted on the internal slide of outer-enwraped type section steel bar by power, and
Its forward ends thereof spring releases stress, and converts kinetic energy into the elastic potential energy of spring, is absorbed impact force with this.
The foregoing is merely the embodiment of the present invention, are not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure or equivalent flow shift that bright description is made directly or indirectly is used in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (4)
- The buffer-type cargo steel construction section bar 1. one kind knocks into the back, including compartment steel construction, which is characterized in that the compartment steel knot Structure includes car side board, compartment roof plate and platform floor, and the compartment roof plate and the platform floor are connected to the vehicle The upper and lower ends of compartment side plate, the left and right sides of the platform floor connect a combined type shaped steel, the combined type shaped steel respectively It is made of outer-enwraped type section steel bar and embedded section steel bar, the inner hollow of the outer-enwraped type section steel bar and its section are rectangle Structure, one end of the outer-enwraped type section steel bar are equipped with opening, and the other end of the outer-enwraped type section steel bar is closing mouth, described embedded Formula section steel bar is imported from the opening of the outer-enwraped type section steel bar, the section of the embedded section steel bar and the outer-enwraped type shaped steel Item is identical, and the sheet structure of protrusion is equipped among the four sides outer wall of the embedded section steel bar, and the upper end of the sheet structure connects It connects T shapes and fixes hook, the T shape grooves being recessed inwardly are equipped among the inner wall of the outer-enwraped type section steel bar, the T shapes fix hook Importing the T shapes trench interiors, one end of the embedded steel item is connected with bradyseism bourdon tube, and the one of the bradyseism bourdon tube End is connected to closing mouth one end of the outer-enwraped type section steel bar.
- 2. the buffer-type cargo steel construction section bar according to claim 1 that knocks into the back, which is characterized in that the bradyseism spring The maximum compression performance of pipe is the half of itself normality length.
- 3. the buffer-type cargo steel construction section bar according to claim 1 that knocks into the back, which is characterized in that the T shapes groove Head and the tail both ends be equipped with limit switch.
- 4. the buffer-type cargo steel construction section bar according to claim 1 that knocks into the back, which is characterized in that the car side board The shaped steel set up vertically by several is formed, and the compartment roof plate both sides also are provided with the combined type shaped steel, the shaped steel connection Between the combined type shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810116221.3A CN108248704A (en) | 2018-02-06 | 2018-02-06 | Knock into the back buffer-type cargo steel construction section bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810116221.3A CN108248704A (en) | 2018-02-06 | 2018-02-06 | Knock into the back buffer-type cargo steel construction section bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108248704A true CN108248704A (en) | 2018-07-06 |
Family
ID=62744105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810116221.3A Withdrawn CN108248704A (en) | 2018-02-06 | 2018-02-06 | Knock into the back buffer-type cargo steel construction section bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108248704A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254329A (en) * | 2019-07-19 | 2019-09-20 | 重庆铝器时代科技有限公司 | A kind of self-discharging carriage with bottom plate reinforcement, foot guard and reinforcement subframe |
| CN110254326A (en) * | 2019-07-19 | 2019-09-20 | 重庆铝器时代科技有限公司 | A kind of self-discharging carriage with bottom plate reinforcement, foot guard and Lateral Collision Avoidance |
| CN110254324A (en) * | 2019-07-19 | 2019-09-20 | 重庆铝器时代科技有限公司 | A kind of self-discharging carriage assembly with foot guard structure and reinforcement subframe |
| CN110254325A (en) * | 2019-07-19 | 2019-09-20 | 重庆铝器时代科技有限公司 | A kind of self-discharging carriage reinforced with anticollision, foot guard and subframe |
| CN110254330A (en) * | 2019-07-19 | 2019-09-20 | 重庆铝器时代科技有限公司 | A kind of self-discharging carriage structure with reinforced bottom plate and subframe |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270113A (en) * | 2000-05-26 | 2000-10-18 | 李博良 | Pendular mechanism installed to lower tail of middle-sized truck for preventing collision with front of following car |
| CN2651080Y (en) * | 2003-07-21 | 2004-10-27 | 卢仁瑞 | Explosive sheet style collisionproof security device for vehicle and vessel |
| CN2771042Y (en) * | 2004-07-01 | 2006-04-12 | 王俊章 | Automobile elastic safety protecting device |
| CN201784721U (en) * | 2010-07-07 | 2011-04-06 | 日照兴发汽车零部件制造有限公司 | Van type truck carriage |
| CN103088771A (en) * | 2011-11-07 | 2013-05-08 | 上海市政养护管理有限公司 | Movable emergency warning buffer device |
| CN203612078U (en) * | 2013-12-21 | 2014-05-28 | 河南森源重工有限公司 | Carriage device of transport van |
| CN104553927A (en) * | 2015-01-16 | 2015-04-29 | 中国重汽集团青岛重工有限公司 | Extensible movable platform |
| CN104627101A (en) * | 2015-02-15 | 2015-05-20 | 黄思明 | Automobile anticollision device |
| CN205168745U (en) * | 2015-10-12 | 2016-04-20 | 小刀电动科技江苏有限公司 | Heavy freight transportation tricycle carriage |
| CN205345082U (en) * | 2016-02-03 | 2016-06-29 | 安徽马钢工程技术集团有限公司 | Disconnect -type automobile compartment board station post |
| CN208069839U (en) * | 2018-02-06 | 2018-11-09 | 无锡市华吉型材科技有限公司 | Knock into the back buffer-type cargo steel construction proximate matter |
-
2018
- 2018-02-06 CN CN201810116221.3A patent/CN108248704A/en not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270113A (en) * | 2000-05-26 | 2000-10-18 | 李博良 | Pendular mechanism installed to lower tail of middle-sized truck for preventing collision with front of following car |
| CN2651080Y (en) * | 2003-07-21 | 2004-10-27 | 卢仁瑞 | Explosive sheet style collisionproof security device for vehicle and vessel |
| CN2771042Y (en) * | 2004-07-01 | 2006-04-12 | 王俊章 | Automobile elastic safety protecting device |
| CN201784721U (en) * | 2010-07-07 | 2011-04-06 | 日照兴发汽车零部件制造有限公司 | Van type truck carriage |
| CN103088771A (en) * | 2011-11-07 | 2013-05-08 | 上海市政养护管理有限公司 | Movable emergency warning buffer device |
| CN203612078U (en) * | 2013-12-21 | 2014-05-28 | 河南森源重工有限公司 | Carriage device of transport van |
| CN104553927A (en) * | 2015-01-16 | 2015-04-29 | 中国重汽集团青岛重工有限公司 | Extensible movable platform |
| CN104627101A (en) * | 2015-02-15 | 2015-05-20 | 黄思明 | Automobile anticollision device |
| CN205168745U (en) * | 2015-10-12 | 2016-04-20 | 小刀电动科技江苏有限公司 | Heavy freight transportation tricycle carriage |
| CN205345082U (en) * | 2016-02-03 | 2016-06-29 | 安徽马钢工程技术集团有限公司 | Disconnect -type automobile compartment board station post |
| CN208069839U (en) * | 2018-02-06 | 2018-11-09 | 无锡市华吉型材科技有限公司 | Knock into the back buffer-type cargo steel construction proximate matter |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254329A (en) * | 2019-07-19 | 2019-09-20 | 重庆铝器时代科技有限公司 | A kind of self-discharging carriage with bottom plate reinforcement, foot guard and reinforcement subframe |
| CN110254326A (en) * | 2019-07-19 | 2019-09-20 | 重庆铝器时代科技有限公司 | A kind of self-discharging carriage with bottom plate reinforcement, foot guard and Lateral Collision Avoidance |
| CN110254324A (en) * | 2019-07-19 | 2019-09-20 | 重庆铝器时代科技有限公司 | A kind of self-discharging carriage assembly with foot guard structure and reinforcement subframe |
| CN110254325A (en) * | 2019-07-19 | 2019-09-20 | 重庆铝器时代科技有限公司 | A kind of self-discharging carriage reinforced with anticollision, foot guard and subframe |
| CN110254330A (en) * | 2019-07-19 | 2019-09-20 | 重庆铝器时代科技有限公司 | A kind of self-discharging carriage structure with reinforced bottom plate and subframe |
| CN110254324B (en) * | 2019-07-19 | 2024-01-30 | 重庆铝器时代科技有限公司 | Self-discharging carriage assembly with bottom protection structure and reinforced auxiliary frame |
| CN110254326B (en) * | 2019-07-19 | 2024-01-30 | 重庆铝器时代科技有限公司 | Self-unloading carriage with bottom plate reinforcement, bottom protection and lateral anti-collision |
| CN110254329B (en) * | 2019-07-19 | 2024-02-13 | 重庆铝器时代科技有限公司 | Self-unloading carriage with bottom plate reinforcement, bottom protection and reinforcement auxiliary frame |
| CN110254330B (en) * | 2019-07-19 | 2024-04-16 | 重庆铝器时代科技有限公司 | Self-discharging carriage structure with reinforced bottom plate and auxiliary frame |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20180706 |