CN203237306U - Off-highway motor tractor - Google Patents
Off-highway motor tractor Download PDFInfo
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- CN203237306U CN203237306U CN 201320158971 CN201320158971U CN203237306U CN 203237306 U CN203237306 U CN 203237306U CN 201320158971 CN201320158971 CN 201320158971 CN 201320158971 U CN201320158971 U CN 201320158971U CN 203237306 U CN203237306 U CN 203237306U
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- pole seat
- balance shaft
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Abstract
The utility model provides an off-highway motor tractor, which is characterized in that each longitudinal beam of a frame is formed by invaginating inner and outer two-layer channel structures, the frame width of the tractor is 1020mm, the frame is formed by welding five cross beams, the thickness of each of the left longitudinal beam and the right longitudinal beam reaches 20+/-3mm, the section height of the longitudinal beams is 450+/-3mm, the width of each of an upper airfoil surface and a lower airfoil surface is 130mm, and a middle and rear axle suspension system adopts a four-bar linkage balanced suspension. The off-highway motor tractor has the beneficial effects that the wheel spans of a front axle, a middle axle and a rear axle are extremely wide, so that compared with a common highway motor tractor, the off-highway motor tractor is smoother in traveling, and the rollover resistant capability is enhanced; each longitudinal beam of the frame is formed by invaginating the inner and outer two-layer channel structures, and the longitudinal beams are connected with the cross beams by bolts, so that the twisting resistant capability and the jolt resistant capability of the frame are enhanced; the middle and rear axle suspension system adopts the four-bar linkage balanced suspension; an upper propelling rod system consists of two propelling rods which are distributed in a splayed manner; a lower propelling rod system consists of two propelling rods which are parallel to the longitudinal direction of the tractor; and the off-highway motor tractor is mainly used for coal long-distance off-highway transport in northwest regions, such as Sinkiang and Qinghai.
Description
Technical field
The utility model relates to a kind of non-highway tractor, is a kind of tractor truck for the mining area hauling operation.
Background technology
At present, the highway tractor that non-highway tractor majority is produced by domestic main chassis originating firm substitutes, highway tractor is that to satisfy road transport be purpose, tractor truck carrying quality is generally little, rear axle wheel is apart from less in front, and mining area road conditions and working environment are very abominable, and vehicle operating is in fully loaded even the serious situation that overloads, it is unable to run into the as easy as rolling off a log generation upward slope of sleety weather, and the overturning of breakking away waits major accident.In addition, average highway distributes with the tractor truck carload, can't satisfy terminal client to the demand of tractor truck vast capacity, super-tonnage carrying capacity.
Summary of the invention
The utility model has designed a kind of non-highway tractor of suitable long-distance transport for the deficiency in the existing land utility tractor.This tractor truck has powerful, large, the characteristics such as steadily being difficult for rollover of travelling of traction quality.
The utility model is realized by following technical measures: a kind of non-highway tractor is characterized in that chassis side rail is by nestable the forming of inside and outside double-deck bathtub construction; Car load frame width 1020mm, vehicle frame adopts 5 crossbeams, and each crossbeam consists of with Type of Welding; Left-right longeron thickness reaches 20 ± 3mm, and the longeron section height is 450 ± 3mm, upper lower aerofoil width 130mm, and middle Rear-axle suspension uses four connecting rod balance suspensions.Can satisfy the fully loaded quality 55000Kg of car load.
The concrete characteristics of this programme also have, and crossbeam two ends connecting panel is connected with longeron in the spot welding mode first, join and bore punching, and neck bolt and black nut are fastening with leading.
Described four connecting rod balance suspensions comprise left longeron thrust pole seat, the right vertical beam thrust pole seat, the jackshaft thrust pole seat, the rear axle thrust rod seat, left longeron thrust pole seat and right vertical beam thrust pole seat are connected to and are arranged in the back axle centerline on the vehicle frame left-right longeron with leading the neck bolt respectively, jackshaft thrust pole seat and rear axle thrust rod seat are connected respectively on the middle back axle body of a bridge, one end of the first upper thrust rod and the second upper thrust rod is connected on the jackshaft thrust pole seat, the other end of the first upper thrust rod and the second upper thrust rod is connected on left longeron thrust pole seat and the right vertical beam thrust pole seat, is splayed and is distributed in middle back axle line of centers left side; Be distributed with symmetrically the 3rd upper thrust rod and the 4th upper thrust rod on middle back axle line of centers right side, the 3rd upper thrust rod and the 4th upper thrust rod one end are connected on the rear axle thrust rod seat, and the 3rd upper thrust rod and the 4th upper thrust rod other end are connected on left longeron thrust pole seat and the right vertical beam thrust pole seat;
The first upper thrust rod and the second upper thrust rod extended line angle are 40 °; The 3rd upper thrust rod and the 4th upper thrust rod extended line angle are 40 °;
Left balance shaft support and right balance shaft support are set respectively on chassis side rail, and left balance shaft support lower end arranges the lower-left thrust pole seat, and jackshaft lower-left propelling rod is set between jackshaft lower-left thrust pole seat and lower-left thrust pole seat.
Between lower-left thrust pole seat and back axle lower-left thrust pole seat, be provided with back axle lower-left propelling rod;
Right balance shaft support lower end arranges the bottom right thrust pole seat, between jackshaft bottom right thrust pole seat and bottom right thrust pole seat right front lower thrust rod is set;
Between bottom right thrust pole seat and back axle bottom right thrust pole seat, be provided with jackshaft bottom right propelling rod.
Right balance shaft support usefulness leads the neck bolt and black nut is connected on the longeron of middle back axle midway location, the balance shaft spindle nose is connected with right balance shaft support in the mode of interference fit, and the spindle nose pressing plate is fastening with spindle nose follower bolt I, spindle nose follower bolt II and balance shaft spindle nose.
Binding bolt is installed in balance shaft spindle nose outer end, bearing, bearing I, balance shaft bearing shell and bearing cap shim seam, the bottom right propelling rod support, the lower-left thrust pole seat is connected in the mode of pegging graft with lower thrust rod bearing connecting cross beam respectively and is located with bolt, bottom right propelling rod support and lower-left thrust pole seat expose the bound fraction welding with lower thrust rod bearing connecting cross beam respectively, whole soldering member is installed in right balance shaft support and left balance shaft support bottom, with bolt with lower-left propelling rod beam support and bottom right propelling rod beam support and right balance shaft support be connected balance shaft support and be connected, position with dowel bolt.Compare with existing welding balance shaft support, easy for installation, precision is higher, can change when damaging appears in balance shaft support.
Fuel gas pipeline is installed, and is the leak tightness that guarantees total system, and stainless steel pipe uses first happy safe Klean-N-Prime24163 inhibiter to carry out surface treatment before use, and connecting portion is processed with K-N-P24163 and dried then gluing.
Power system is selected present Weihe River bavin maximum power liquefied natural gas driving engine WP12NG380E30, rating horsepower reaches 280kw, Shan tooth heavier-duty mechanical gear box 10JSD180A, 450 liters of two framework liquefied natural gas bottles of collection Sheng Dayin in the Zhangjiagang, power matching satisfies large load, high strength traction requirement.
Since draw quality much larger than on-highway tractor, the high 3.18m of car load, and wide 3.03m exceeds standard code numerical value, is non-on-highway tractor.Xuzhou U.S.A speeds in 25 tonnes so running gear adopts, rear vehicle bridge, before, during and after the bridge wheelspan super wide, front axle wheel is apart from 2480mm, in, rear axle wheel is apart from 2200mm, the 13.00R25 full steel wire meridian engineering tyre has solved because racing rollover and the problem of blowing out that fully loaded quality is brought greatly.This car can be finished 4 axle trailers of 150 tons of the fully loaded quality of traction.
The beneficial effect of this programme is, it is double-deck bathtub construction that vehicle frame is characterized as longeron, with bolts with crossbeam, on the basis that solves the welded frame distortion, vehicle frame anti-torsion and the ability of jolting have been strengthened, and the height of chassis side rail is decided to be 450mm, changes vehicle frame into 10mm by 8mm standard thickness of slab, reduced like this use of secondary longeron.Relatively 5 crossbeams are adopted in the requirement of on-highway tractor 6-10 root crossbeam, have increased space availability ratio.Middle Rear-axle suspension system features is for adopting four connecting rod balance suspensions, and the upper thrust rod seat is Casting Parts, and 2 propelling rods can be installed simultaneously, and every propelling rod is independently installed.Lower thrust rod is arranged in parallel, and length is 555mm.The thrust leverage of more parallel distribution has strengthened stability.Balance shaft support adopts the inblock cast form, it is mounting plane that facade and bottom surface are set, punch at the facade with the chassis side rail lateral surface, be connected with the bolt form with vehicle frame, punch in the bottom surface, be connected with the 4th crossbeam lower plane, balance shaft support arranges reinforced rib around the connecting bore that balance shaft is installed, strengthen whole stress-bearing capability, be connected with chassis side rail with bolted form, compare with the balance shaft support of Type of Welding, increased mounting or dismounting function and precision, whole maintainability improves, and is easy for installation.Be compared to the propelling rod of whole splayed design, can improve the stressing conditions of propelling rod, can change separately when single propelling rod damages.This programme has strengthened the twisting resistance of vehicle frame and has strengthened the anti-ability of jolting.Propelling rod distribution form is as shown in Figure 4 shared the car load side force jointly by splayed configuration propelling rod and leaf spring cross spacing, prolongs integeral vehicle life.Above beneficial effect can be saved vehicle operating cost and service expenditure, greatly improves economic and social profit.Therefore the utility model has compared with prior art been realized improving and the innovative technology purpose.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the utility model scheme drawing.Fig. 2 is the vehicle frame scheme drawing.Fig. 3 is chassis side rail and crossbeam connection mode scheme drawing.Fig. 4 is thrust leverage scheme drawing; Fig. 5 is balance shaft support installation assembly scheme drawing; Fig. 6 is the longeron sectional schematic diagram.
Among the figure: 1-operator's compartment; 2-gas cylinder; 3-traction seat; 4-wheel and vehicle bridge; 5-change speed gear box; 6-driving engine; 7-vehicle frame; 8-transmission shaft; 9-first crossbeam; 10-second cross beam; The 11-the three crossbeam; The 12-the four crossbeam; The 13-the five crossbeam; 14-leads the neck bolt; The 15-black nut; The 16-chassis side rail; The 17-cross member of frame; 18-the second upper thrust rod; 19-right vertical beam thrust pole seat; 20-rear axle thrust rod seat; 21-back axle lower-left propelling rod; The right balance shaft support of 22-; 23-balance shaft bearing shell; 24-spindle nose pressing plate; The seam of 25-bearing cap shim; 26-balance shaft spindle nose; 27-bottom right thrust pole seat; 28-bottom right propelling rod beam support; 29-lower thrust rod bearing connecting cross beam; 30-spindle nose follower bolt I; 31-spindle nose follower bolt II; The left longeron thrust pole seat of 32-; 33-jackshaft thrust pole seat; 34-leads the neck bolt; 35-lower-left thrust pole seat; The left balance shaft support of 36-; 37-leads the neck bolt; The 38-black nut; The 39-binding bolt; The 40-bearing; The 41-bearing I; The 42-bolt; 43-lower-left propelling rod beam support; 44-bolt I; The 45-dowel bolt; 46-back axle bottom right propelling rod; 47-jackshaft bottom right propelling rod; 48-jackshaft lower-left propelling rod; 49-the first upper thrust rod; 50-the 3rd upper thrust rod; 51-the 4th upper thrust rod; 52-jackshaft lower-left thrust pole seat; 53-back axle lower-left thrust pole seat; 54-back axle bottom right thrust pole seat; 55-jackshaft bottom right thrust pole seat.
The specific embodiment
Shown in Figure 1, a kind of non-highway tractor, chassis assembly comprises power system, driving system, running gear, steering swivel system, brake system, bodywork system, electric system, traction system etc.Power system comprises driving engine 6, gas cylinder 2; Driving system comprises change speed gear box 5, transmission shaft 8; Running gear comprises wheel and vehicle bridge 4, vehicle frame 7, and bodywork system comprises operator's compartment 1.Chassis side rail is by nestable the forming of inside and outside double-deck bathtub construction; Car load frame width 1020mm, vehicle frame adopts 5 crossbeams, and each crossbeam consists of with Type of Welding; Left-right longeron thickness reaches 20 ± 3mm, and the longeron section height is 450 ± 3mm, upper lower aerofoil width 130mm, and middle Rear-axle suspension uses four connecting rod balance suspensions.Can satisfy the fully loaded quality 55000Kg of car load.
Crossbeam connection mode (such as Fig. 3) crossbeam two ends connecting panels is connected with longeron in the spot welding mode first, joins brill and punches, with leading neck bolt 14 and black nut 15 is fastening.
Described four connecting rod balance suspensions (such as Fig. 4) comprise left longeron thrust pole seat 32 and right vertical beam thrust pole seat 19, jackshaft thrust pole seat 33 and rear axle thrust rod seat 20, left longeron propelling rod support 32 and right vertical beam thrust pole seat 19 are connected to and are arranged in the back axle centerline on the vehicle frame left-right longeron with leading neck bolt 34 respectively, jackshaft thrust pole seat 33 and rear axle thrust rod seat 20 are connected to respectively on the middle back axle body of a bridge between two parties, one end of the first upper thrust rod 49 and the second upper thrust rod 18 is connected on the jackshaft thrust pole seat 33, the other end of the first upper thrust rod 49 and the second upper thrust rod 18 is connected on left longeron thrust pole seat 32 and the right vertical beam thrust pole seat 19, is splayed and is distributed in middle back axle line of centers left side; Be distributed with symmetrically the 3rd upper thrust rod 50 and the 4th upper thrust rod 51 on middle back axle line of centers right side, the 3rd upper thrust rod 50 and the 4th upper thrust rod 51 1 ends are connected on the rear axle thrust rod seat 20, and the 3rd upper thrust rod 50 and the 4th upper thrust rod 51 other ends are connected on left longeron thrust pole seat 32 and the right vertical beam thrust pole seat 19;
The first upper thrust rod 49 and the second upper thrust rod 18 extended line angles are 40 °; The 3rd upper thrust rod 50 and the 4th upper thrust rod 51 extended line angles are 40 °;
Right balance shaft support 22 and left balance shaft support 36 are set respectively on chassis side rail, and left balance shaft support 36 lower ends arrange lower-left thrust pole seat 35, and jackshaft lower-left propelling rod 48 is set between jackshaft lower-left thrust pole seat 52 and lower-left thrust pole seat 35.
Between lower-left thrust pole seat 35 and back axle lower-left thrust pole seat 53, be provided with back axle lower-left propelling rod 21;
Right balance shaft support 22 lower ends arrange bottom right thrust pole seat 27, and jackshaft bottom right propelling rod 47 is set between jackshaft bottom right thrust pole seat 55 and bottom right thrust pole seat 27;
Between bottom right thrust pole seat 27 and back axle bottom right thrust pole seat 54, be provided with back axle bottom right propelling rod 46.
Balance shaft support is installed (such as Fig. 5), right balance shaft support 22 usefulness lead neck bolt 37 and black nut 38 is connected on the chassis side rail 16 of middle back axle midway location, balance shaft spindle nose 26 is connected with right balance shaft support 22 in the mode of interference fit, with spindle nose pressing plate 24 usefulness bolts 30 and 31 and balance shaft spindle nose 26 fastening.
Fuel gas pipeline is installed, and is the leak tightness that guarantees total system, and stainless steel pipe uses first happy safe Klean-N-Prime24163 inhibiter to carry out surface treatment before use, and connecting portion is processed with K-N-P24163 and dried then gluing.
Power system is selected present Weihe River bavin maximum power liquefied natural gas driving engine WP12NG380E30, rating horsepower reaches 280kw, Shan tooth heavier-duty mechanical gear box 10JSD180A, 450 liters of two framework liquefied natural gas bottles of collection Sheng Dayin in the Zhangjiagang, power matching satisfies large load, high strength traction requirement.
Since draw quality much larger than on-highway tractor, the high 3.18m of car load, and wide 3.03m exceeds standard code numerical value, is non-on-highway tractor.Xuzhou U.S.A speeds in 25 tonnes so running gear adopts, rear vehicle bridge, before, during and after the bridge wheelspan super wide, front axle wheel is apart from 2480mm, in, rear axle wheel is apart from 2200mm, the 13.00R25 full steel wire meridian engineering tyre has solved because racing rollover and the problem of blowing out that fully loaded quality is brought greatly.This car can be finished 4 axle trailers of 150 tons of the fully loaded quality of traction.
Figure 2 shows that between each crossbeam and the longeron and arrange.
Shown in Figure 3, the connection mode of crossbeam and longeron.
Shown in Figure 4, angle is 40 ° between two upper thrust rods of middle Rear-axle suspension system, upper thrust rod length 591mm, and angle is 0 ° between two lower thrust rods, lower thrust rod length 555mm.
Shown in Figure 5, two longitudinal thrust pole socket center-to-center distance 1190mm, balance shaft spindle nose are apart from vehicle frame lower plane 252mm, two balance shaft bearing shell center-to-center distance 1220mm.
Shown in Figure 6, longeron section height 450mm, upper lower aerofoil width is 130mm, two-layer sheet metal thickness is 10mm.
Claims (6)
1. a non-highway tractor is characterized in that chassis side rail is by nestable the forming of inside and outside double-deck bathtub construction; Car load frame width 1020mm, vehicle frame adopts 5 crossbeams, and each crossbeam consists of with Type of Welding; Left-right longeron thickness reaches 20 ± 3mm, and the longeron section height is 450 ± 3mm, upper lower aerofoil width 130mm, and middle Rear-axle suspension uses four connecting rod balance suspensions.
2. non-highway tractor according to claim 1 is characterized in that crossbeam two ends connecting panel is connected with longeron in the spot welding mode first, joins and bores punching, and neck bolt and black nut are fastening with leading.
3. non-highway tractor according to claim 1, it is characterized in that described four connecting rod balance suspensions comprise left longeron thrust pole seat, the right vertical beam thrust pole seat, the jackshaft thrust pole seat, the rear axle thrust rod seat, left longeron thrust pole seat and right vertical beam thrust pole seat are connected to and are arranged in the back axle centerline on the vehicle frame left-right longeron with leading the neck bolt respectively, jackshaft thrust pole seat and rear axle thrust rod seat are connected respectively on the middle back axle body of a bridge, one end of the first upper thrust rod and the second upper thrust rod is connected on the jackshaft thrust pole seat, the other end of the first upper thrust rod and the second upper thrust rod is connected on left longeron thrust pole seat and the right vertical beam thrust pole seat, is splayed and is distributed in middle back axle line of centers left side; Be distributed with symmetrically the 3rd upper thrust rod and the 4th upper thrust rod on middle back axle line of centers right side, the 3rd upper thrust rod and the 4th upper thrust rod one end are connected on the rear axle thrust rod seat, and the 3rd upper thrust rod and the 4th upper thrust rod other end are connected on left longeron thrust pole seat and the right vertical beam thrust pole seat;
The first upper thrust rod and the second upper thrust rod extended line angle are 40 °; The 3rd upper thrust rod and the 4th upper thrust rod extended line angle are 40 °;
Left balance shaft support and right balance shaft support are set respectively on chassis side rail, and left balance shaft support lower end arranges the lower-left thrust pole seat, between jackshaft lower-left thrust pole seat and lower-left thrust pole seat left front lower thrust rod is set;
Between lower-left thrust pole seat and back axle lower-left thrust pole seat, be provided with back axle lower-left propelling rod;
Right balance shaft support lower end arranges the bottom right thrust pole seat, and jackshaft bottom right propelling rod is set between jackshaft bottom right thrust pole seat and bottom right thrust pole seat;
Between bottom right thrust pole seat and back axle bottom right thrust pole seat, be provided with back axle bottom right propelling rod.
4. non-highway tractor according to claim 1, it is characterized in that right balance shaft support usefulness is led the neck bolt and black nut is connected on the longeron of middle back axle midway location, the balance shaft spindle nose is connected with right balance shaft support in the mode of interference fit, and the spindle nose pressing plate is fastening with bolt and balance shaft spindle nose;
Binding bolt is installed in balance shaft spindle nose outer end, bearing, bearing I, balance shaft bearing shell and bearing cap shim seam, the bottom right propelling rod support, the lower-left thrust pole seat is connected in the mode of pegging graft with lower thrust rod bearing connecting cross beam respectively and is located with bolt, bottom right propelling rod support and lower-left thrust pole seat expose the bound fraction welding with lower thrust rod bearing connecting cross beam respectively, whole soldering member is installed in right balance shaft support and left balance shaft support bottom, with bolt with lower-left propelling rod beam support and bottom right propelling rod beam support and right balance shaft support be connected balance shaft support and be connected, position with dowel bolt.
5. non-highway tractor according to claim 1, it is characterized in that the car load power system is the high-power liquefied natural gas driving engine of Weihe River bavin WP12NG380E30, rating horsepower reaches 280kw, Shan tooth heavier-duty mechanical gear box 10JSD180A, 450 liters of two framework liquefied natural gas bottles of collection Sheng Dayin in the Zhangjiagang, power matching satisfies large load, high strength traction requirement.
6. non-highway tractor according to claim 1 is characterized in that the high 3.18m of car load, wide 3.03m, and running gear adopts that Xuzhou U.S.A speeds in 25 tonnes, rear vehicle bridge; Front axle wheel is apart from 2480mm, in, rear axle wheel is apart from 2200mm, the 13.00R25 full steel wire meridian engineering tyre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158971 CN203237306U (en) | 2013-04-02 | 2013-04-02 | Off-highway motor tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158971 CN203237306U (en) | 2013-04-02 | 2013-04-02 | Off-highway motor tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203237306U true CN203237306U (en) | 2013-10-16 |
Family
ID=49314629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320158971 Expired - Lifetime CN203237306U (en) | 2013-04-02 | 2013-04-02 | Off-highway motor tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203237306U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661649A (en) * | 2013-12-20 | 2014-03-26 | 扬州盛达特种车有限公司 | Heavy-load ladle transferring trailer used on road |
| CN105438044A (en) * | 2014-12-24 | 2016-03-30 | 陕西同力重工股份有限公司 | All-wheel-drive off-highway wide-body dumper |
| CN107351614A (en) * | 2017-06-22 | 2017-11-17 | 北京福田戴姆勒汽车有限公司 | A kind of braking balance suspension and multiple-axle vehicle |
-
2013
- 2013-04-02 CN CN 201320158971 patent/CN203237306U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661649A (en) * | 2013-12-20 | 2014-03-26 | 扬州盛达特种车有限公司 | Heavy-load ladle transferring trailer used on road |
| CN105438044A (en) * | 2014-12-24 | 2016-03-30 | 陕西同力重工股份有限公司 | All-wheel-drive off-highway wide-body dumper |
| CN105438044B (en) * | 2014-12-24 | 2017-07-11 | 陕西同力重工股份有限公司 | A kind of off-highway wide dumper of a11wheel drive |
| CN107351614A (en) * | 2017-06-22 | 2017-11-17 | 北京福田戴姆勒汽车有限公司 | A kind of braking balance suspension and multiple-axle vehicle |
| CN107351614B (en) * | 2017-06-22 | 2024-04-02 | 北京福田戴姆勒汽车有限公司 | Disconnected balanced suspension and multiaxis vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131016 |
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| CX01 | Expiry of patent term |