CN103802666B - A kind of propeller-shaft protective cradle - Google Patents
A kind of propeller-shaft protective cradle Download PDFInfo
- Publication number
- CN103802666B CN103802666B CN201410069260.4A CN201410069260A CN103802666B CN 103802666 B CN103802666 B CN 103802666B CN 201410069260 A CN201410069260 A CN 201410069260A CN 103802666 B CN103802666 B CN 103802666B
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- China
- Prior art keywords
- connection pipe
- protecting tube
- horizontal segment
- vertical section
- floor skirt
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Abstract
The invention discloses a kind of propeller-shaft protective cradle; comprise rack body; described rack body by protecting tube, be located at left connection pipe that protecting tube left end is connected with left floor skirt beam and be located at the right connection pipe that protecting tube right-hand member is connected with right floor skirt beam and form; described left connection pipe and right connection pipe all L-shaped; the left and right portion of described protecting tube is straight tube, and middle part is the U-shaped pipe that can prevent transmission shaft from dropping.It is comparatively large and can in the vehicle of welding beam that this protective cradle can be used in body platform space, below the intermediate control box of vehicle that also can be installed to some vehicle, applied widely, and easy to operate.
Description
Technical field
The present invention relates to a kind of auto parts and components, be specifically related to a kind of propeller-shaft protective cradle.
Background technology
Propeller-shaft protective cradle is arranged on body platform place, at drive shafts fracture or when coming off, is held by transmission shaft, avoids transmission shaft front end to fall to ground and causes the accidents such as overturning.
As shown in Figure 1; existing propeller-shaft protective cradle comprises crossbeam 16 and is fastened by bolts part 18 and is fixed on U-shaped rack body 17 on crossbeam; crossbeam 16 is welded on body platform; U-shaped rack body 17 is positioned at the lower front of transmission shaft 6; when transmission shaft comes off, U-shaped rack body 17 holds transmission shaft by its U-shaped structure.There are the following problems for this protective cradle: (1) can only be used in body platform space larger and can welding beam vehicle on, need protective cradle to be arranged on for the vehicle below intermediate control box of vehicle for some, because intermediate control box of vehicle underlying space is limited, it cannot welding beam, U-shaped rack body is caused not fix, Anti-fall protection can not be carried out, its restricted application to transmission shaft; (2) when installing, need by beam welding on body platform, then be fastened by bolts part connection U-shaped rack body, inconvenient operation, and be also not easy to maintenance; (3) commonality is bad, and for can the vehicle of welding beam, different body width (corresponding to different centre gangway width), need the crossbeam making different length, cost be high.
Summary of the invention
The object of this invention is to provide a kind of propeller-shaft protective cradle, it is comparatively large and can in the vehicle of welding beam that it can be used in body platform space, below the intermediate control box of vehicle that also can be installed to some vehicle, applied widely, and easy to operate.
Propeller-shaft protective cradle of the present invention; comprise rack body; described rack body by protecting tube, be located at left connection pipe that protecting tube left end is connected with left floor skirt beam and be located at the right connection pipe that protecting tube right-hand member is connected with right floor skirt beam and form; described left connection pipe and right connection pipe all L-shaped; the left and right portion of described protecting tube is straight tube; to drop the U-shaped pipe of (namely held when transmission shaft comes off, prevent it from dropping on ground) for preventing transmission shaft in middle part.
Further, in order to improve its commonality, to use in the vehicle that centre gangway width is different, the horizontal segment of described left connection pipe inserts in the left part straight tube of described protecting tube, connect with the left part straight tube of protecting tube and can slide by relative its, to regulate the distance between the vertical section of left connection pipe and protecting tube, adapt to the centre gangway of different in width; The horizontal segment of described right connection pipe inserts in the right part straight tube of described protecting tube, connects and can slide by relative its with the right part straight tube of protecting tube, to regulate the distance between the vertical section of right connection pipe and protecting tube, adapts to the centre gangway of different in width.
Further, in order to make a left side, the horizontal segment of right connection pipe and a left side for protecting tube, it is more firm that right part straight tube connects, and relative sliding is more smooth and easy, the horizontal segment of described left connection pipe is connected by the left limit post in " 7 " font with the left part straight tube of described protecting tube, the end of the horizontal segment of left connection pipe is provided with left end cap, left end cap offers ending cover hole, the left part straight tube of protecting tube axially offers left long slot bore, the horizontal segment of described left limit post stretches into (horizontal segment of left limit post coordinates with ending cover hole interval) in left connection pipe through ending cover hole, and located by spring cotter, can rotate relative to left connection pipe, the vertical section of described left limit post passes in described left long slot bore, coordinate with left long slot bore and can slide by relative its.The horizontal segment of described right connection pipe is connected by the right limit post in " 7 " font with the right part straight tube of described protecting tube, the end of right connection pipe horizontal segment is provided with right end cap, right end cap offers ending cover hole, the right part straight tube of protecting tube axially offers right long slot bore, the horizontal segment of described right limit post stretches into (horizontal segment of right limit post coordinates with ending cover hole interval) in right connection pipe through ending cover hole, and located by spring cotter, can rotate relative to right connection pipe, the vertical section of described right limit post passes in described right long slot bore, coordinate with right long slot bore and can slide by relative its.The fit system of left and right long slot bore and left and right limited post can ensure that left and right connection pipe can not be deviate from from protecting tube, also can ensure that the left and right connection pipe part be in protecting tube has certain safe length.
Further; in order to make protective cradle and left and right floor skirt beam, there is higher Joint strenght; and prevent rack body from rotating; transmission shaft is held with more stable; the length of the vertical section of described left connection pipe matches with the length of the left bar hole be opened on left floor skirt beam; the vertical section of described left connection pipe is provided with the left fixed chuck matched with the left taper hole be opened on left floor skirt beam; the vertical section of left connection pipe passes described left bar hole 90-degree rotation, and is connected with left floor skirt beam with the clamping of left taper hole by left fixed chuck.The length of the vertical section of described right connection pipe matches with the length of the right bar hole be opened on right floor skirt beam, the vertical section of described right connection pipe is provided with the right fixed chuck matched with the right taper hole be opened on right floor skirt beam, the vertical section of right connection pipe passes described right bar hole 90-degree rotation, and is connected with right floor skirt beam with the clamping of right taper hole by right fixed chuck.
The present invention has following effect:
(1) the U-shaped pipe in the middle part of protecting tube can ensure after transmission shaft comes off, and is held by transmission shaft, avoids transmission shaft to drop to ground, ensure that the safety performance of car load.
(2) rack body is made up of protecting tube, L-shaped left connection pipe and L-shaped right connection pipe, when mounted, left connection pipe is connected on left floor skirt beam, right connection pipe is connected to right floor skirt beam, take up room little, body platform space can be used in comparatively large and can in the vehicle of welding beam, below the intermediate control box of vehicle that also can be installed to some vehicle, applied widely, and easy to operate.
(3) left and right connection pipe is inserted in protecting tube, and can relatively slide by protecting tube, can regulate the distance between the vertical section of left and right connection pipe and protecting tube, can use in the vehicle that centre gangway width is different, commonality is high, and cost is low, and it is firm to connect, slide smooth and easy.
(4) left and right connection pipe is through 90-degree rotation after left and right floor skirt beam, realize being connected with the clamping of left and right taper hole by left and right fixed chuck again, its Joint strenght is high, and rack body can not rotate, and more stablely when transmission shaft comes off can hold transmission shaft; Meanwhile, it is simple to operate, and maintainability is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing propeller-shaft protective cradle.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the A-A cutaway view in Fig. 2.
Fig. 4 is the enlarged drawing at B place in Fig. 3.
Fig. 5 is the connection diagram of left connection pipe and left floor skirt beam.
Fig. 6 is the structural representation of left floor skirt beam.
Fig. 7 is the C-C cutaway view in Fig. 2.
Fig. 8 is the enlarged drawing at D place in Fig. 7.
Fig. 9 is the connection diagram of right connection pipe and right floor skirt beam.
Figure 10 is the structural representation of right floor skirt beam.
Figure 11 is the structural representation that the present invention is installed on left and right floor skirt beam.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Propeller-shaft protective cradle as shown in Figures 2 to 11; comprise rack body; this rack body by protecting tube 1, be located at left connection pipe 2 that protecting tube 1 left end is connected with left floor skirt beam 4 and be located at the right connection pipe 3 that protecting tube 1 right-hand member is connected with right floor skirt beam 5 and form; left connection pipe 2 and right connection pipe 3 all L-shaped; the left and right portion of protecting tube 1 is straight tube, and middle part is the U-shaped pipe that can prevent transmission shaft 6 from dropping.
The horizontal segment of left connection pipe 2 inserts in the left part straight tube of protecting tube 1, and connected by the left limit post 7 in " 7 " font, the end of the horizontal segment of left connection pipe 2 is provided with left end cap 8, left end cap 8 offers ending cover hole, the left part straight tube of protecting tube 1 axially offers left long slot bore 9, the horizontal segment of left limit post 7 is through ending cover hole and ending cover hole free-running fit, and stretch in the horizontal segment of left connection pipe 2, the horizontal segment part being in the left limit post 7 in the horizontal segment of left connection pipe 2 is located by the spring cotter 10 interted thereon, and left limit post 7 can rotate relative to left connection pipe 2, the vertical section of left limit post 7 passes in left long slot bore 9, coordinate with left long slot bore 9 and can slide by relative left long slot bore 9.The length of the vertical section of left connection pipe 2 matches with the length of the left bar hole 42 be opened on left floor skirt beam 4, the vertical section of left connection pipe 2 is provided with the left fixed chuck 14(matched with the left taper hole 41 be opened on left floor skirt beam 4 tapered), the vertical section of left connection pipe 2 passes left bar hole 42, after 90-degree rotation, be connected with left floor skirt beam 4 with the clamping of left taper hole 41 by left fixed chuck 14.
The horizontal segment of right connection pipe 3 inserts in the right part straight tube of protecting tube 1, and connected by the right limit post 11 in " 7 " font, the end of the horizontal segment of right connection pipe 3 is provided with right end cap 12, right end cap 12 offers ending cover hole, the right part straight tube of protecting tube 1 axially offers right long slot bore 13, the horizontal segment of right limit post 11 is through ending cover hole and ending cover hole free-running fit, and stretch in the horizontal segment of right connection pipe 3, the horizontal segment part being in the right limit post 11 in the horizontal segment of right connection pipe 3 is located by the spring cotter 10 interted thereon, and right limit post 11 can rotate relative to right connection pipe 3, the vertical section of right limit post 11 passes in right long slot bore 13, coordinate with right long slot bore 13 and can slide by relative right long slot bore 13.The length of the vertical section of right connection pipe 3 matches with the length of the right bar hole 52 be opened on right floor skirt beam 5, the vertical section of right connection pipe 3 is provided with the right fixed chuck 15(matched with the right taper hole 51 be opened on right floor skirt beam 5 tapered), the vertical section of right connection pipe 3 passes right bar hole 52, after 90-degree rotation, be connected with right floor skirt beam 5 with the clamping of right taper hole 51 by right fixed chuck 15.
Claims (2)
1. a propeller-shaft protective cradle, comprise rack body, it is characterized in that: described rack body by protecting tube (1), be located at left connection pipe (2) that protecting tube left end is connected with left floor skirt beam (4) and be located at the right connection pipe (3) that protecting tube right-hand member is connected with right floor skirt beam (5) and form, described left connection pipe (2) and right connection pipe (3) all L-shaped, the left and right portion of described protecting tube (1) is straight tube, and middle part is the U-shaped pipe that can prevent transmission shaft (6) from dropping;
The horizontal segment of described left connection pipe (2) inserts in the left part straight tube of described protecting tube (1), the horizontal segment of left connection pipe (2) is connected by the left limit post (7) in " 7 " font with the left part straight tube of protecting tube (1), the end of the horizontal segment of left connection pipe is provided with left end cap (8), left end cap offers ending cover hole, the left part straight tube of protecting tube axially offers left long slot bore (9), the horizontal segment of described left limit post (7) stretches in left connection pipe through ending cover hole, and by spring cotter (10) location, can rotate relative to left connection pipe, the vertical section of described left limit post (7) passes in described left long slot bore (9), coordinate with left long slot bore and can slide by relative its,
The horizontal segment of described right connection pipe (3) inserts in the right part straight tube of described protecting tube (1), the horizontal segment of right connection pipe (3) is connected by the right limit post (11) in " 7 " font with the right part straight tube of protecting tube (1), the end of right connection pipe horizontal segment is provided with right end cap (12), right end cap offers ending cover hole, the right part straight tube of protecting tube axially offers right long slot bore (13), the horizontal segment of described right limit post (11) stretches in right connection pipe through ending cover hole, and by spring cotter (10) location, can rotate relative to right connection pipe, the vertical section of described right limit post (11) passes in described right long slot bore (13), coordinate with right long slot bore and can slide by relative its.
2. propeller-shaft protective cradle according to claim 1, it is characterized in that: the length of the vertical section of described left connection pipe (2) matches with the length of the left bar hole (42) be opened on left floor skirt beam (4), the vertical section of described left connection pipe (2) is provided with the left fixed chuck (14) matched with the left taper hole (41) be opened on left floor skirt beam (4), the vertical section of left connection pipe (2) passes described left bar hole 90-degree rotation, and is connected with left floor skirt beam with the clamping of left taper hole by left fixed chuck; The length of the vertical section of described right connection pipe (3) matches with the length of the right bar hole (52) be opened on right floor skirt beam (5), the vertical section of described right connection pipe (3) is provided with the right fixed chuck (15) matched with the right taper hole (51) be opened on right floor skirt beam (5), the vertical section of right connection pipe (3) passes described right bar hole 90-degree rotation, and is connected with right floor skirt beam with the clamping of right taper hole by right fixed chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410069260.4A CN103802666B (en) | 2014-02-28 | 2014-02-28 | A kind of propeller-shaft protective cradle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410069260.4A CN103802666B (en) | 2014-02-28 | 2014-02-28 | A kind of propeller-shaft protective cradle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103802666A CN103802666A (en) | 2014-05-21 |
| CN103802666B true CN103802666B (en) | 2016-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410069260.4A Active CN103802666B (en) | 2014-02-28 | 2014-02-28 | A kind of propeller-shaft protective cradle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103802666B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2353613Y (en) * | 1998-10-28 | 1999-12-15 | 刘选仲 | Protection device for drive axle of automobile |
| KR100476756B1 (en) * | 2003-04-01 | 2005-03-16 | 기아자동차주식회사 | Protector assembly for propeller shaft |
| JP5150729B2 (en) * | 2007-10-15 | 2013-02-27 | ドク チャン マシナリー カンパニー リミテッド | Telescopic shaft for vehicles |
| CN202063011U (en) * | 2011-01-20 | 2011-12-07 | 中通汽车工业集团有限责任公司 | Transmission shaft protective device |
| CN203186099U (en) * | 2013-04-08 | 2013-09-11 | 安徽江淮汽车股份有限公司 | Transmission shaft protective frame of medium-duty truck and heavy-duty truck |
-
2014
- 2014-02-28 CN CN201410069260.4A patent/CN103802666B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103802666A (en) | 2014-05-21 |
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