CN210174565U - Semitrailer structure with strong loading capacity - Google Patents
Semitrailer structure with strong loading capacity Download PDFInfo
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- CN210174565U CN210174565U CN201920973850.8U CN201920973850U CN210174565U CN 210174565 U CN210174565 U CN 210174565U CN 201920973850 U CN201920973850 U CN 201920973850U CN 210174565 U CN210174565 U CN 210174565U
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Abstract
The utility model discloses a semitrailer structure with strong loading capacity, which comprises a support symmetrically fixed on the side surface of a girder web plate by a reinforcing structure, the height reduced by a semitrailer body is at least consistent with the height of the support, the height of the semitrailer body from the ground is greatly reduced, the gravity center of a vehicle is reduced, the height of loaded goods can be increased, and the loading capacity of the semitrailer is improved; the groove enables the axle to bypass the girder from the lower part and then be connected with the support through the plate spring, and the groove enables a certain distance to be reserved between the axle and the girder so as to provide a buffering stroke for the plate spring and avoid the collision between the axle and the girder when the semitrailer bumps; the web bilateral symmetry of girder is provided with support and leaf spring, can provide the holding power of even symmetry for the both sides of girder, improves the holding power to semi-trailer automobile body, can also make the position atress of axle recess both sides even, prevents that its atress is uneven to lead to warping.
Description
Technical Field
The utility model relates to a semitrailer field especially relates to a semitrailer structure that loading capacity is strong.
Background
The conventional trailer is hung, a steel plate spring support is welded at the lower end of a girder, the steel plate spring support is used for enabling a certain distance to exist between an axle and the girder, and the height of the steel plate spring support is higher; the vertical load borne by the vehicle body is transmitted to the leaf spring through the leaf spring support and then transmitted to the vehicle axle, the pull rod is used for bearing transverse acting force and is positioned at the lower end of the leaf spring, one end of the pull rod is arranged on the leaf spring support, and the other end of the pull rod is arranged on the fixer of the leaf spring and the vehicle axle.
However, in the method for reducing the chassis in the prior art, the steel plate spring is usually reversely mounted, namely, the steel plate spring is mounted at the lower end of the axle, the reduced height is consistent with the thickness of the axle, the height of the semitrailer body is not obviously reduced, and the requirements cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a semitrailer body height can be reduced to a great extent is provided, make semitrailer body center reduce to improve its loading capacity's semitrailer structure.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a semitrailer structure with strong loading capacity comprises a girder, an axle and a suspension for connecting the axle and the girder;
the crossbeam comprises a web plate, an upper wing plate and a lower wing plate, wherein the upper wing plate and the lower wing plate are fixed at the upper end and the lower end of the web plate to form an I-shaped structure;
the suspension frames are provided with a plurality of groups which are arranged at equal intervals along the longitudinal direction of the girder, and each suspension frame comprises a reinforcing structure, a support and a plate spring; the supports are symmetrically fixed on two transverse sides of the web plate by means of a reinforcing structure, and two groups of supports are arranged along the longitudinal direction of the girder; the reinforcing structure comprises transverse plates which are horizontally and symmetrically fixed on two sides of the web plate; the support is fixed at the bottom of the tail end of each transverse plate and positioned outside the lower wing plate; the leaf springs are arranged between two longitudinally adjacent supports, two ends of each leaf spring are provided with rolling lugs, and the rolling lugs are respectively connected with the corresponding supports by virtue of rotating shafts;
the axle is arranged between the longitudinally adjacent supports, and each axle is transversely arranged at the bottom of the crossbeam; the axle is downwards recessed at the position right below the crossbeam to form a groove with the width larger than that of the lower wing plate; the middle part of the plate spring is fixed with the axle by a fixer.
The further technical scheme is as follows: the reinforcing structure comprises a supporting plate fixed at the bottom of the lower wing plate; the horizontal both ends of layer board all extend the riser upwards, and the distance between the coexistence inboard wall is unanimous with lower aerofoil width, the horizontal extension in riser top is fixed with the support, be fixed with the roof between riser and the web.
The further technical scheme is as follows: the leaf spring is fixed to the bottom of the axle by means of a retainer.
The further technical scheme is as follows: the fixer comprises two U-shaped bolts and two locking plates; the axle is located in the groove of each U-shaped bolt, the plate spring is located between the two locking plates, the locking plate above the plate spring is in contact with the axle, the end part of each U-shaped bolt penetrates through the two locking plates and then is fixed by virtue of a nut, and the distance between the two U-shaped bolts is consistent with the width of the plate spring.
The further technical scheme is as follows: a pull rod capable of adjusting the length is arranged between the fixer and the support; the swing arm is connected between the eye of leaf spring one end and the support, the swing arm both ends all are connected with the eye and support with the help of the pivot.
The further technical scheme is as follows: the pull rod comprises a screw rod and loop bars in threaded connection with the two ends of the screw rod, and the two loop bars are hinged to the locking plate and the support above the plate spring respectively.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the support used for connecting the plate spring and the girder is symmetrically fixed on the side surface of the girder web by virtue of the reinforcing structure, so that the reduced height of the semi-trailer body is at least consistent with the height of the support, the ground clearance of the semi-trailer body is greatly reduced, the gravity center of the vehicle is reduced, the stability of the vehicle is good, the cargo loading height can be increased under the condition that the cargo is light and not overweight, and the loading capacity of the semi-trailer is improved;
the position of the axle right below the girder is downwards concave to form a groove with the width larger than that of the lower wing plate, so that the axle can bypass the girder from the lower part and is connected with the support through the plate spring;
the web bilateral symmetry of girder is provided with support and leaf spring, can provide the holding power of even symmetry for the both sides of girder, improves the holding power to semi-trailer automobile body, can also make the position atress of axle recess both sides even, prevents that its atress is uneven to lead to warping.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the fixing structure and the axle of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1 and 2, a semitrailer structure with high loading capacity comprises a girder 1, an axle 2 and a suspension 3 for connecting the axle 2 and the girder 1;
the girder 1 comprises a web plate 11, and an upper wing plate 12 and a lower wing plate 13 which are fixed at the upper end and the lower end of the web plate 11 to form an I-shaped structure;
the suspension frames 3 are provided with a plurality of groups which are arranged at equal intervals along the longitudinal direction of the girder 1, and each suspension frame 3 comprises a reinforcing structure 33, a support 32 and a plate spring 31; the supports 32 are symmetrically fixed on two transverse sides of the web plate 11 by means of a reinforcing structure 33, and two groups are arranged along the longitudinal direction of the girder 1; the reinforcing structure 33 comprises transverse plates 330 horizontally and symmetrically fixed on two sides of the web 11; the support 32 is fixed at the bottom of the end of each transverse plate 330 and is positioned outside the lower wing plate 13; the plate springs 31 are arranged between two supports 32 which are adjacent in the longitudinal direction, two ends of each plate spring 31 are provided with rolling ears 34, and the rolling ears 34 are respectively connected with the corresponding supports 32 through rotating shafts;
the axles 2 are arranged between the longitudinally adjacent supports 32, and each axle 2 is transversely arranged at the bottom of the girder 1; the axle 2 is downwards recessed at a position right below the girder 1 to form a groove 21 with a width larger than that of the lower wing plate 13; the middle of the leaf spring 31 is fixed to the vehicle axle 2 by means of a retainer 35.
When the semitrailer structure with strong loading capacity is used, the semitrailer structure with strong loading capacity is arranged on a semitrailer body, the support 32 for connecting the plate spring 31 and the girder 1 is symmetrically fixed on the side surface of the web plate 11 of the girder 1 by virtue of the reinforcing structure 33, so that the height reduced by the semitrailer body is at least consistent with the height of the support 32, the height of the semitrailer body above the ground is reduced to a great extent, the gravity center of a vehicle is reduced, the stability of the vehicle is good, the height for loading cargos can be increased under the condition that cargos are light and not overweight, and the loading capacity of; the position of the axle right below the girder 1 is downwards concave to form a groove 21 with the width larger than that of the lower wing plate 13, so that the axle 2 can bypass the girder 1 from the lower part and then is connected with the support 32 through the plate spring 31, and the groove 21 can ensure that a certain distance is reserved between the axle 2 and the girder 1 so as to provide a buffer stroke for the plate spring 31 and avoid the collision between the axle 2 and the girder 1 when the semitrailer bumps; the support 32 and the plate spring 31 are symmetrically arranged on two sides of the web plate 11 of the girder 1, so that uniform and symmetrical supporting force can be provided for two sides of the girder 1, the supporting force for the semi-trailer body is improved, the stress on two sides of the groove 21 of the axle 2 is uniform, and the deformation caused by uneven stress is prevented.
The reinforcing structure 33 includes a supporting plate 331 fixed to the bottom of the lower wing plate 13; vertical plates 332 extend upwards from the two transverse ends of the supporting plate 331, the distance between the inner walls of the two vertical plates 332 is consistent with the width of the lower wing plate 13, the top of each vertical plate 332 extends horizontally to be fixed with the support 32, and a top plate 333 is fixed between each vertical plate 332 and the web plate 11.
When the reinforcing structure 33 is installed, the supporting plate 331 is fixed at the bottom of the lower wing plate 13 of the girder 1 by bolts, and then the top plate 333 is welded between the vertical plate 332 and the web plate 11; the reinforcing structure 33 can enable the support 32 to generate supporting force to the girder 1 from the bottom of the girder 1, so that the whole structure of the girder 1 can support the semi-trailer body, the supporting strength of the girder 1 is ensured, and the top plate 333 can fix and strengthen the vertical plate 332 to prevent the vertical plate 332 from being biased to the web 11 due to stress.
The plate spring 31 is fixed to the bottom of the axle 2 by the retainer 35, and the height of the semitrailer body can be further reduced.
The retainer 35 includes two "U" shaped bolts 351 and two locking plates 352; the axle 2 is positioned in the groove 21 of each U-shaped bolt 351, the plate spring 31 is positioned between the two locking plates 352, the locking plate 352 above the plate spring 31 is contacted with the axle 2, the end part of each U-shaped bolt 351 penetrates through the two locking plates 352 and is fixed by a nut, the distance between the two U-shaped bolts 351 is consistent with the width of the plate spring 31, the fixer 35 can fix the plate spring 31 at the bottom of the axle 2, the supporting force of the axle 2 on the plate spring 31 is transmitted to the plate spring 31 through the U-shaped bolts 351,
a pull rod 4 capable of adjusting the length is arranged between the fixer 35 and the support 32; a swing arm 5 is connected between the rolling lug 34 at one end of the plate spring 31 and the support 32, and two ends of the swing arm 5 are connected with the rolling lug 34 and the support 32 through rotating shafts; the pull rod 4 comprises a screw rod 41 and loop bars 42 which are in threaded connection with two ends of the screw rod 41, and the two loop bars 42 are respectively hinged with a locking plate 352 above the plate spring 31 and the support 32; the tie rod 4 is used for bearing transverse acting force, the tie rod 4 can be positioned above the plate spring 31, and the plate spring 31 is arranged on the bottom plate of the axle 2, so that if the tie rod 4 is arranged below the plate spring 31, the chassis of the semitrailer body is too low, and the trafficability is reduced.
The above is only the preferred embodiment of the present invention, and any person can make some simple modifications, deformations and equivalent replacements according to the present invention, all fall into the protection scope of the present invention.
Claims (6)
1. The utility model provides a semitrailer structure that loading capacity is strong which characterized in that: comprises a girder (1), an axle (2) and a suspension (3) for connecting the axle (2) and the girder (1);
the girder (1) comprises a web plate (11), an upper wing plate (12) and a lower wing plate (13) which are fixed at the upper end and the lower end of the web plate (11) to form an I-shaped structure;
the suspension frames (3) are provided with a plurality of groups which are arranged at equal intervals along the longitudinal direction of the girder (1), and each suspension frame (3) comprises a reinforcing structure (33), a support (32) and a plate spring (31); the supports (32) are symmetrically fixed on two transverse sides of the web plate (11) by means of a reinforcing structure (33), and two groups of supports are arranged along the longitudinal direction of the girder (1); the reinforcing structure (33) comprises transverse plates (330) which are horizontally and symmetrically fixed on two sides of the web plate (11); the support (32) is fixed at the bottom of the tail end of each transverse plate (330) and is positioned outside the lower wing plate (13); the plate springs (31) are arranged between two longitudinally adjacent supports (32), two ends of each plate spring (31) are provided with rolling ears (34), and the rolling ears (34) are respectively connected with the corresponding supports (32) through rotating shafts;
the axles (2) are arranged between the longitudinally adjacent supports (32), and each axle (2) is transversely arranged at the bottom of the girder (1); the axle (2) is downwards recessed at a position right below the girder (1) to form a groove (21) with the width larger than that of the lower wing plate (13); the middle of the leaf spring (31) is fixed to the axle (2) by means of a fastener (35).
2. A semitrailer structure with enhanced loading capacity according to claim 1, characterized in that: the reinforcing structure (33) further comprises a supporting plate (331) fixed at the bottom of the lower wing plate (13); vertical plates (332) extend upwards from the two transverse ends of the supporting plate (331), the distance between the inner walls of the two vertical plates (332) is consistent with the width of the lower wing plate (13), the top of each vertical plate (332) is fixed with the transverse plate (330), and a top plate (333) is fixed between each vertical plate (332) and the web plate (11).
3. A semitrailer structure with enhanced loading capacity according to claim 1, characterized in that: the leaf spring (31) is fixed to the bottom of the axle (2) by means of a retainer (35).
4. A semitrailer structure with enhanced loading capabilities according to claim 3, characterized in that: the retainer (35) comprises two 'U' -shaped bolts (351) and two locking plates (352); the axle (2) is positioned in the groove (21) of each U-shaped bolt (351), the plate spring (31) is positioned between the two locking plates (352), the locking plates (352) above the plate spring (31) are in contact with the axle (2), the end part of each U-shaped bolt (351) penetrates through the two locking plates (352) and is fixed by a nut, and the distance between the two U-shaped bolts (351) is consistent with the width of the plate spring (31).
5. A semitrailer structure with enhanced loading capacity according to claim 1 or 4, characterized in that: a pull rod (4) capable of adjusting the length is arranged between the fixer (35) and the support (32); be connected with swing arm (5) between book ear (34) and support (32) of leaf spring (31) one end, swing arm (5) both ends all are connected with book ear (34) and support (32) with the help of the pivot.
6. A semitrailer structure with enhanced loading capacity according to claim 5, characterized in that: the pull rod (4) comprises a screw rod (41) and sleeve rods (42) which are in threaded connection with the two ends of the screw rod (41), and the two sleeve rods (42) are respectively hinged with a locking plate (352) and a support (32) above the plate spring (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920973850.8U CN210174565U (en) | 2019-06-26 | 2019-06-26 | Semitrailer structure with strong loading capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920973850.8U CN210174565U (en) | 2019-06-26 | 2019-06-26 | Semitrailer structure with strong loading capacity |
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| Publication Number | Publication Date |
|---|---|
| CN210174565U true CN210174565U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920973850.8U Active CN210174565U (en) | 2019-06-26 | 2019-06-26 | Semitrailer structure with strong loading capacity |
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| CN (1) | CN210174565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823800A (en) * | 2020-06-02 | 2020-10-27 | 新乡市华烁车辆有限公司 | Three-shaft semitrailer with variable shaft load |
-
2019
- 2019-06-26 CN CN201920973850.8U patent/CN210174565U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823800A (en) * | 2020-06-02 | 2020-10-27 | 新乡市华烁车辆有限公司 | Three-shaft semitrailer with variable shaft load |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A semi trailer structure with strong loading capacity Effective date of registration: 20230822 Granted publication date: 20200324 Pledgee: China Postal Savings Bank Co.,Ltd. Hengshui Branch Pledgor: HEBEI JUWANG VEHICLE CO.,LTD. Registration number: Y2023980053306 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |