CN209051261U - A kind of semitrailer airsuspension system - Google Patents

A kind of semitrailer airsuspension system Download PDF

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Publication number
CN209051261U
CN209051261U CN201821874114.9U CN201821874114U CN209051261U CN 209051261 U CN209051261 U CN 209051261U CN 201821874114 U CN201821874114 U CN 201821874114U CN 209051261 U CN209051261 U CN 209051261U
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CN
China
Prior art keywords
middle bracket
fore
stock
air bag
semitrailer
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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.)
Expired - Fee Related
Application number
CN201821874114.9U
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Chinese (zh)
Inventor
尹永立
王东宁
闫家琪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Tai Ge Vehicle Technology Co Ltd
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Qingdao Tai Ge Vehicle Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
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Priority to CN201821874114.9U priority Critical patent/CN209051261U/en
Application granted granted Critical
Publication of CN209051261U publication Critical patent/CN209051261U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of semitrailer airsuspension system, including vehicle frame and the fore-stock being arranged in below the vehicle frame, middle bracket and after-poppet, the vehicle frame lower surface, which corresponds to, is equipped with mounting plate between the fore-stock and the middle bracket, damping is equipped with below the vehicle frame between the corresponding after-poppet and the middle bracket, air bag is connected with below the mounting plate, buffer stopper is equipped between the mounting plate and the air bag, leaf spring is equipped between the fore-stock and the middle bracket, the bottom end of the damping is fixedly connected with running axle stand, the bottom end of the running axle stand is fixedly connected with lifting lug, the both ends of the lifting lug are respectively fixedly connected on the middle bracket and the after-poppet by pull rod.Its structure is simple, improves suspension system intensity and vehicle run stability, it is therefore prevented that suspension system inordinate wear reduces manufacturing expense.

Description

A kind of semitrailer airsuspension system
Technical field
The utility model relates to semi-dragging truck field more particularly to a kind of semitrailer airsuspension systems.
Background technique
Semitrailer is that axle is placed in vehicle's center of gravity (when vehicle is uniformly loaded) below, and equipped with can will be horizontal and vertical Power is transmitted to the trailer of the hookup of tractor.Semitrailer is usually three axis semitrailers, and type is divided into 11 rice barn columns half Trailer, 13 rice barn columns, a lot of types such as low flat bed semi trailer are a kind of heavy types being connected by towing pin with semi-mounted headstock Transport vehicle.Semitrailer includes vehicle body, vehicle bridge and suspension system, and vehicle bridge and suspension system are located at body bottom, vehicle bridge Both ends are provided with wheel, are horizontally set at body bottom, suspension system between vehicle body and vehicle bridge to connect vehicle bridge and Vehicle body;When vehicle body is dragged by external force, which drives the wheel movement for being located at vehicle bridge both ends by suspension system.And suspension System must have enough strong guarantee as intermediate connection and bearing mechanism, intensity, just be avoided that fracture, or shadow due to deformation Ring the axle depth of parallelism.Existing semitrailer suspension system often because do not reinforced effectively or use process in abrasion compared with Fastly, the stability of vehicle driving is affected, and tire and suspension system can all generate inordinate wear.And semitrailer is outstanding at present Frame is all using leaf spring equalizing type of suspension, this is suspended in practical enforcement due to the influence of road roughness and vehicle launch The suspension strut of the influence of the alternating load generated in damped condition, semitrailer will receive the effect of alternating load, in this friendship Under varying load repeated action, it may occur that crack initiation and propagation, and cause to be broken suddenly, there are security risks.
Therefore solve the problems, such as that this kind is particularly important, this technology is in double of trailer air suspension systems technology It pays attention to and solves the problems, such as.
Utility model content
In view of the above problems, the utility model provides that a kind of structure is simple, high-intensitive high measuring body semitrailer is empty Gas suspension system.
The technical solution of the utility model is: a kind of semitrailer airsuspension system, including vehicle frame and setting are in institute State the fore-stock below vehicle frame, middle bracket and after-poppet, the vehicle frame lower surface correspond to the fore-stock and the middle bracket it Between be equipped with mounting plate, damping, the installation are equipped between the corresponding after-poppet and the middle bracket below the vehicle frame Air bag is connected with below plate, is equipped with buffer stopper between the mounting plate and the air bag, the fore-stock and the middle bracket it Between be equipped with leaf spring, the bottom end of the damping is fixedly connected with running axle stand, and the bottom end of the running axle stand is fixedly connected with lifting lug, The both ends of the lifting lug are respectively fixedly connected on the middle bracket and the after-poppet by pull rod.
Further improvement of the utility model is: connecting plate is equipped with below the air bag, the both ends of the leaf spring are distinguished Connection fore-stock and middle bracket, the middle part of the leaf spring are fixed on the connecting plate by U bolt.
Further improvement of the utility model is: the fore-stock, the two sides and the vehicle frame of middle bracket and after-poppet Between be fixedly welded with stiffening plate.
Further improvement of the utility model is: the air bag includes that the rubber sealant that inner wall is arranged in and setting exist The rubber protective layer of outer wall, the air bag open end be equipped with piston, the inside air bag be equipped with connection piston elastic buffer It pads, stomata is additionally provided on the air bag and controls the solenoid valve of stomata air inflow.
Further improvement of the utility model is: the middle bracket is equipped with counter-jib, and the center of the counter-jib is flat It weighs the point articulated middle part in the middle bracket.
Further improvement of the utility model is: the damping includes upper positioning seat and lower cushion socket, it is described on The bottom end of positioning seat carries out elastic connection by yielding rubber or spring and the lower cushion socket, and the lower cushion socket passes through spiral shell Bolt is fixedly connected with the lifting lug.
Further improvement of the utility model is: the fore-stock, the outside of middle bracket and after-poppet and vehicle frame it Between be fixedly welded with connecting tube, be fixedly welded between the inside of the fore-stock and the inside and vehicle frame of the middle bracket Reinforcing rib.
The utility model provides a kind of semitrailer airsuspension system, air bag is arranged, the load of vertical direction can be by air bag It bears, the load for full of a small amount of gas pressure, guaranteeing to bear empty wagons frame in air bag is made by solenoid valve control, is fully loaded with When, make to guarantee the load for bearing contained cargo full of a large amount of gas pressure in air bag, make automobile by solenoid valve control Riding comfort be greatly improved;Setting stiffening plate and reinforcing rib make each bracket stable connection strong;On middle bracket Counter-jib is set, one end of leaf spring can be connected on counter-jib by grasswort or other modes, so that leaf spring forms arc, so that Fretting wear reduces, and greatly extends the service life and job stability of leaf spring and counter-jib;The design position of damping Different from tradition, damping is arranged in the surface of vehicle body, rear position placed in the middle is identical for the damping effect of two sides, so that Car body is more stable, has the function that the stability for keeping car body;Damper element is substituted using yielding rubber or spring, is reduced Production and maintenance cost.
The beneficial effects of the utility model are: its structure is simple, suspension system intensity and vehicle run stability are improved, Suspension system inordinate wear is prevented, manufacturing expense is reduced, alleviates self weight weight, can mitigate and eliminate road surface and pass through vehicle Axis is transmitted to the shock loading and vibration of vehicle frame, and the riding comfort of occupant can be improved, and adapts to severe road conditions, and the damage of road pavement Evil can be preferably minimized, and have very wide application prospect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram that air bag is carried in the utility model;
Fig. 3 is the structural schematic diagram of reinforcing rib in the utility model.
Specific embodiment
In order to deepen the understanding to the utility model, the utility model is done further below in conjunction with drawings and examples Detailed description, the embodiment are only used for explaining the utility model, do not constitute and limit to the protection scope of the utility model.
Such as figure, the present embodiment provides a kind of semitrailer airsuspension systems, including vehicle frame 1 and setting are under the vehicle frame 1 The fore-stock 2 of side, middle bracket 3 and after-poppet 4,1 lower surface of vehicle frame correspond between the fore-stock 2 and the middle bracket 3 Equipped with mounting plate 5, is corresponded to below the vehicle frame 1 and be equipped with damping 6, the peace between the after-poppet 4 and the middle bracket 3 It is connected with air bag 7 below loading board 5, buffer stopper 8, the fore-stock 2 and described are equipped between the mounting plate 5 and the air bag 7 Leaf spring 9 is equipped between middle bracket 3, the bottom end of the damping 6 is fixedly connected with running axle stand 10, the bottom end of the running axle stand 10 Be fixedly connected with lifting lug 11, the both ends of the lifting lug 11 by pull rod 12 be respectively fixedly connected with the middle bracket 3 and it is described after On bracket 4.
By bolt etc., other connection types are connected with connecting plate 13 below the air bag 7, and the middle bracket 3 is equipped with Counter-jib 14, the center balance point of the counter-jib 14 are hinged on the middle part of the middle bracket 3, the both ends difference of the leaf spring 9 Connect on the counter-jib 14 of fore-stock 2 and middle bracket (can be by being arranged bolt or solid on 2 middle part of fore-stock and counter-jib 14 It is fixed to be slightly attached, be not construed as limiting, it is only necessary to fix), the middle part of the leaf spring 9 is fixed on institute by U bolt 15 It states on connecting plate 13.
The damping 6 includes upper positioning seat 61 and lower cushion socket 62, and the bottom end of the upper positioning seat 61 passes through damping Rubber 63 and the lower cushion socket 62 carry out elastic connection, can between yielding rubber 63 and upper positioning seat 61 and lower cushion socket 62 It is in clamping connection by the structure of bumps adaptation, the lower cushion socket 62 passes through bolt and 11 company of being fixed of lifting lug It connects.
The air bag 7 includes the rubber sealant 71 that inner wall is arranged in and the rubber protective layer 72, described that outer wall is arranged in The open end of air bag 7 is equipped with piston 73, is equipped with the elastic buffering pad 74 of connection piston 73 inside the air bag 7, on the air bag 7 It is additionally provided with stomata 75 and controls the solenoid valve 76 of 75 air inflow of stomata.
Triangle is fixedly welded between the two sides and the vehicle frame 1 of the fore-stock 2, middle bracket 3 and after-poppet 4 Stiffening plate 16.It is fixedly welded with connecting tube 17 between the outside and vehicle frame 1 of the fore-stock 2, middle bracket 3 and after-poppet 4, Reinforcing rib 18 is fixedly welded between the inside of the fore-stock 2 and the inside and vehicle frame 1 of the middle bracket 3.
The present embodiment provides a kind of semitrailer airsuspension systems, and air bag 7 is arranged, and the load of vertical direction can be held by air bag By, make the load for guaranteeing to bear empty wagons frame in air bag full of a small amount of gas pressure by solenoid valve control, full load, Make to guarantee the load for bearing contained cargo full of a large amount of gas pressure in air bag 7, make automobile by the control of solenoid valve 76 Riding comfort be greatly improved;Setting stiffening plate 16 and reinforcing rib 17 make each bracket stable connection strong;In middle branch Counter-jib 14 is set on frame 3, and one end of leaf spring 9 can be connected on counter-jib 14 by grasswort or other modes, so that 9 shape of leaf spring Camber greatly extends the service life and job stability of leaf spring and counter-jib so that fretting wear reduces;Damping Design position be different from tradition, by damping 6 be arranged in vehicle body it is placed in the middle after position it is identical for the damping effect of two sides, So that car body is more stable, have the function that the stability for keeping car body;Damper element is substituted using yielding rubber 63, is reduced Production and maintenance cost.
The beneficial effect of the present embodiment is: its structure is simple, improves suspension system intensity and vehicle run stability, prevents Suspension system inordinate wear is stopped, has reduced manufacturing expense, alleviated self weight weight, can mitigate and eliminate road surface and pass through axle It is transmitted to the shock loading and vibration of vehicle frame, and the riding comfort of occupant can be improved, adapts to severe road conditions, and the damage of road pavement It can be preferably minimized, there is very wide application prospect.
It should be understood by those skilled in the art that the present utility model is not limited to the above embodiments, above-described embodiment and Only illustrate the principles of the present invention described in specification, on the premise of not departing from the spirit and scope of the utility model, The utility model also has various changes and improvements, these changes and improvements both fall within the scope of the claimed invention It is interior.The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. a kind of semitrailer airsuspension system, it is characterised in that: including vehicle frame and the fore-stock that is arranged in below the vehicle frame, Middle bracket and after-poppet, the vehicle frame lower surface, which corresponds to, is equipped with mounting plate, the vehicle between the fore-stock and the middle bracket Damping is equipped with below frame between the corresponding after-poppet and the middle bracket, is connected with air bag below the mounting plate, institute It states and is equipped with buffer stopper between mounting plate and the air bag, leaf spring, the damping are equipped between the fore-stock and the middle bracket The bottom end of mechanism is fixedly connected with running axle stand, and the bottom end of the running axle stand is fixedly connected with lifting lug, and the both ends of the lifting lug pass through Pull rod is respectively fixedly connected on the middle bracket and the after-poppet.
2. a kind of semitrailer airsuspension system according to claim 1, it is characterised in that: the company of being equipped with below the air bag Fishplate bar, the both ends of the leaf spring are separately connected fore-stock and middle bracket, and the middle part of the leaf spring is fixed on described by U bolt On connecting plate.
3. a kind of semitrailer airsuspension system according to claim 1, it is characterised in that: the fore-stock, middle bracket Stiffening plate is fixedly welded between the two sides and the vehicle frame of after-poppet.
4. a kind of semitrailer airsuspension system according to claim 1, it is characterised in that: the air bag includes that setting exists The rubber sealant of inner wall and the rubber protective layer of outer wall is set, the open end of the air bag is equipped with piston, in the air bag Portion is equipped with the elastic buffering pad of connection piston, and stomata is additionally provided on the air bag and controls the solenoid valve of stomata air inflow.
5. a kind of semitrailer airsuspension system according to claim 1, it is characterised in that: the middle bracket is equipped with flat Weigh arm, and the center balance point of the counter-jib is hinged on the middle part of the middle bracket.
6. a kind of semitrailer airsuspension system according to claim 1, it is characterised in that: the damping includes upper The bottom end of positioning seat and lower cushion socket, the upper positioning seat carries out elasticity by yielding rubber or spring and the lower cushion socket Connection, the lower cushion socket are fixedly connected by bolt and the lifting lug.
7. a kind of semitrailer airsuspension system according to claim 1, it is characterised in that: the fore-stock, middle bracket And connecting tube is fixedly welded between the outside and vehicle frame of after-poppet, the inside of the fore-stock and the middle bracket it is interior Reinforcing rib is fixedly welded between side and vehicle frame.
CN201821874114.9U 2018-11-14 2018-11-14 A kind of semitrailer airsuspension system Expired - Fee Related CN209051261U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821874114.9U CN209051261U (en) 2018-11-14 2018-11-14 A kind of semitrailer airsuspension system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821874114.9U CN209051261U (en) 2018-11-14 2018-11-14 A kind of semitrailer airsuspension system

Publications (1)

Publication Number Publication Date
CN209051261U true CN209051261U (en) 2019-07-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821874114.9U Expired - Fee Related CN209051261U (en) 2018-11-14 2018-11-14 A kind of semitrailer airsuspension system

Country Status (1)

Country Link
CN (1) CN209051261U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113173046A (en) * 2021-05-18 2021-07-27 贵州詹阳动力重工有限公司 Horizontal adjusting device and wheeled multi-purpose machineshop car

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113173046A (en) * 2021-05-18 2021-07-27 贵州詹阳动力重工有限公司 Horizontal adjusting device and wheeled multi-purpose machineshop car
CN113173046B (en) * 2021-05-18 2022-10-28 贵州詹阳动力重工有限公司 Horizontal adjusting device and wheeled multi-purpose machineshop car

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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: Semitrailer air suspension system

Effective date of registration: 20191218

Granted publication date: 20190702

Pledgee: Qingdao high technology financing Company limited by guarantee

Pledgor: QINGDAO TAIGA VEHICLE TECHNOLOGY Co.,Ltd.

Registration number: Y2019990000746

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20210115

Granted publication date: 20190702

Pledgee: Qingdao high technology financing Company limited by guarantee

Pledgor: QINGDAO TAIGA VEHICLE TECHNOLOGY Co.,Ltd.

Registration number: Y2019990000746

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A semi trailer air suspension system

Effective date of registration: 20210115

Granted publication date: 20190702

Pledgee: Qingdao high technology financing Company limited by guarantee

Pledgor: QINGDAO TAIGA VEHICLE TECHNOLOGY Co.,Ltd.

Registration number: Y2021990000059

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20220110

Granted publication date: 20190702

Pledgee: Qingdao high technology financing Company limited by guarantee

Pledgor: QINGDAO TAIGA VEHICLE TECHNOLOGY Co.,Ltd.

Registration number: Y2021990000059

PC01 Cancellation of the registration of the contract for pledge of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190702