CN100427689C - Machineshop trailer positioned in front of a tractor - Google Patents

Machineshop trailer positioned in front of a tractor Download PDF

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Publication number
CN100427689C
CN100427689C CNB2003101173419A CN200310117341A CN100427689C CN 100427689 C CN100427689 C CN 100427689C CN B2003101173419 A CNB2003101173419 A CN B2003101173419A CN 200310117341 A CN200310117341 A CN 200310117341A CN 100427689 C CN100427689 C CN 100427689C
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China
Prior art keywords
tractor
trailer
finger
hinged
work machine
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Expired - Fee Related
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CNB2003101173419A
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Chinese (zh)
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CN1546346A (en
Inventor
唐葆仁
徐鑑培
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Tang Baoren
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Individual
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Priority to CNB2003101173419A priority Critical patent/CN100427689C/en
Publication of CN1546346A publication Critical patent/CN1546346A/en
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Publication of CN100427689C publication Critical patent/CN100427689C/en
Anticipated expiration legal-status Critical
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Abstract

The present invention provides an engineering trailer positioned in front of a tractor, which relates to a device using a four-wheel tractor for trailing engineering machines. At present, operating machines drawn and trailed by a tractor are all trailed behind the tractor, and machines needing to operate in front of a machine body and an operator are generally self-propelled special equipment. The present invention makes up for the deficiency of the prior art and provides the engineering trailer positioned in front of a tractor, which is composed of a trailing cross beam, a left arm, a right arm, a trailer body, a steering mechanism, a working device, a hydraulic system and a control system. The present invention can complete the operation of harvesting, loading, digging, transportation, chiselling, hoisting, etc. according to the provided different working devices, the using range of the tractor is greatly enlarged, expensive special machines can be replaced, and the present invention has the advantages of obvious economic benefit and social benefit. The engineering trailer can be conveniently mounted or dismounted, and the tractor and the trailer can keep integrity and independence after being dismounted.

Description

A kind of Work machine that is hinged on tractor the place ahead
Technical field
The invention belongs to a kind of engineering machinery, relate to a kind of device that utilizes four-wheel tractor to pull engineering machinery, more specifically say, is a kind of Work machine that is hinged on tractor the place ahead.
Background technology
At present, the Work machine that tractor-drawn is pulled, for example be used for ploughing and weeding, the sowing of agricultural, be used for farmland capital construction shovel fortune, level land, ditch and the self-discharging trailer that is used to transport etc., all be to pull, and some need be at the machinery of body and operator's forward operation, for example be used for the harvesting of agricultural and be used for loading, excavation, lifting etc. on the engineering at rear tractor, general all is to be designed to one with independent vehicle, becomes the plant equipment of various self-propelled special uses.Also there is employing that equipment removably is directly installed on operating type on the tractor car body, the for example bulldozer of harvester of Xuan Guaing and crawler tractor suspension, and the disclosed a kind of tractor that loader and excavator can be installed respectively in front and back of Japan Patent (JP2003-166260A).The intensity of its tractor structure during for the ease of the connection of Work machine and the work of assurance is provided with gantry on tractor chassis, reinforce.Framework is by crossbeam, members such as left and right side arm are formed, tractor chassis afterbody crossbeam and left and right side arm link, left and right side arm front end and tractor car body are affixed, the framework front upper part connects by the base of connection seat and equipment, the car body bottom is provided with steering mechanism, and is bearing on two wheels, and equipment is by the hydraulic cylinder or the fluid motor-driven of hydraulic pressure and control system transmission.This operating type exists apparatus for work mounting or dismounting inconvenience, and shortcoming such as job area is restricted, thereby less application.The prior art tractor-drawn of still having no way of is located at equipment the Work machine on a kind of independent car body in tractor the place ahead.
Summary of the invention
Purpose of the present invention is intended to remedy the deficiencies in the prior art, and a kind of Work machine that is hinged on tractor the place ahead is provided, and it is by four-wheel tractor traction and at the engineering trailer of the operation of tractor the place ahead, operation.It can be according to the different operating device that is equipped with, finish different engineer operations such as harvesting, loading, excavation, fork fortune, cutter brill, lifting respectively, not only expanded the scope of application of tractor greatly, and alternative expensive special engineering machinery, have ten minutes remarkable economic efficiency and social benefit in addition, this engineering trailer mounting or dismounting are convenient, and dismounting back tractor and engineering trailer can both keep its integrality and independence.
Above-mentioned purpose of the present invention utilizes a kind of like this Work machine to realize:
A kind of Work machine that is hinged on tractor the place ahead, it is by four-wheel tractor traction and at the engineering trailer of the operation of tractor the place ahead, operation.It is by traction crossbeam, left and right sides side arm, car body, steering mechanism, equipment, hydraulic pressure and six most of compositions of control system.
Described equipment can adopt and comprise the prior art that is used to gather in, load, excavate, pitch operations such as fortune, cutter brill, lifting, operating mechanism's part of the similar existing corresponding special engineering machinery of its structure.
Specifically being configured to of engineering trailer: connect with the traction free bearing of tractor rear by a traction crossbeam, connect left side arm, right arm respectively in traction crossbeam both sides, the front end of left and right sides side arm is affixed with car body again, vehicle body upper portion connects with the base of described equipment by connection seat, in the car body bottom steering mechanism is set and is bearing on two wheels, equipment is by the hydraulic cylinder or the fluid motor-driven of hydraulic pressure and control system transmission.Four-wheel tractor is positioned in the middle of the support body that is made of traction crossbeam, left and right sides side arm, car body, utilize the power of tractor, and operate at operator seat by the tractor driver, can finish different engineer operations such as harvesting, loading, excavation, fork fortune, cutter brill, lifting respectively according to the equipment difference that is equipped with.
Described steering mechanism, by connecting and contain the finger conversion equipment of two fingers with the tractor head, with car body by the hinged swing arm of bearing pin, two connecting rods hinged respectively, two knuckles formations that connect with two connecting rod other ends respectively with the swing arm front end.The front and back that are positioned at bearing pin in the swing arm have preceding chute, back chute, and the preceding finger of finger conversion equipment, back finger can insert conversion up and down in preceding chute, the back chute respectively.
Described finger conversion equipment is made up of the crank levers that finger seat, preceding finger, back finger and drive finger slide up and down.The finger seat passes through Bolt Connection with the base that is fixed in the tractor head, and crank levers is hinged with the supporting that is fixed on finger seat middle part, and crank levers is driven through pull bar leverage and spring by the handle that is arranged on the driver operation position.
Two knuckles of described steering mechanism, it respectively has a vertical hinge to connect with two knuckle free bearings of Vehicular body front respectively, and each knuckle also has two horizontal limb arms, and a limb arm connects with swing arm by connecting rod, on another limb arm wheel is installed.
Described hydraulic pressure and control system, form by hydraulic pump, hydraulic valve, pipeline (comprising hard tube, flexible pipe and snap joint) and annex (fuel tank, oil filter etc.), hydraulic pump can utilize the hydraulic pump of tractor, be connected with system with flexible pipe and snap joint, also can be in the relevant position of engineering trailer, hydraulic pump and fuel tank are set, link with flexible coupling and tractor motive power output shaft.Hydraulic valve can be manual multi-path reversing valve, places on the support that the driver is convenient to operate.
There is a free bearing at the middle part of described traction crossbeam, and by the traction free bearing connection of latch and tractor rear, traction crossbeam both sides are gudgeon, and side arm rear end, the left and right sides is respectively equipped with the deck smocking on gudgeon, and with bolt deck is connected with side arm.But the different counterweight of impost on the traction crossbeam is with the center of gravity of balance equipment.
Advantage of the present invention and beneficial effect:
1, because the alleged engineering trailer of the present invention is a kind of trailer that is drawn and moved in tractor the place ahead by four-wheel tractor.It only needs to overlap the trailer of configuration effort device as required for tractor hinged, just can finish the engineer operation of special mechanical equipment.It utilizes the power of tractor, and is operated at operator seat by the tractor driver, according to the equipment difference that is equipped with, finishes different work such as harvesting, loading, excavation, fork fortune, cutter brill, lifting respectively.Therefore, the present invention has not only expanded the scope of application of tractor widely, and alternative expensive special engineering machinery, having remedied prior art does not still have a kind of by tractor-drawn, equipment is located at the deficiency of the Work machine on the independent car body in tractor the place ahead, has very remarkable economic efficiency and social benefit.
2, owing to reasonable in design of the present invention, the connecting mode of trailer and tractor is simple, and therefore, the mounting or dismounting of engineering trailer are very easy, and dismounting back tractor and engineering trailer can both keep its integrality and independence, and be easy to utilize.
Below will be in conjunction with the accompanying drawings by embodiment, the present invention is further illustrated.
Description of drawings
Fig. 1 is a kind of structural representation (elevation) that is hinged on the Work machine in tractor the place ahead;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the body construction schematic diagram of engineering trailer;
Fig. 4 is steering mechanism's schematic diagram of engineering trailer;
Fig. 5 is the A-A sectional view (finger conversion equipment schematic diagram) of Fig. 4;
Steering principle figure when Fig. 6 advances for the engineering trailer;
Steering principle figure when Fig. 7 retreats for the engineering trailer;
Fig. 8 is an engineering trailer application mode schematic diagram;
Fig. 9 is the hydraulic pressure and the control system schematic diagram of engineering trailer.
The specific embodiment
(referring to Fig. 3) as shown in Figure 1 and Figure 2, a kind of Work machine that is hinged on tractor the place ahead is made up of traction crossbeam 1, side arm 2, car body 3, steering mechanism 4, equipment (is example with the loading machine) 5, hydraulic pressure and control system 6.
Specifically being configured to of engineering trailer: connect with the afterbody traction free bearing of tractor 7 by a traction crossbeam 1, connect left side arm 2.1, right arm 2.2 respectively in traction crossbeam both sides, the front end of left and right sides side arm is affixed with car body 3 again, vehicle body upper portion connects with the base 5.1 usefulness bolts (interchangeable) of described equipment by connection seat 3.1, in the car body bottom steering mechanism 4 is set and is bearing on two wheels 4.5, equipment 5 is driven by the hydraulic cylinder or the hydraulic motor 5.2 of hydraulic pressure and control system 6 transmissions, drives apparatus for work (scraper bowl) 5.4 by gearing 5.3.According to the replaceable equipment of engineer operation needs.
Described traction crossbeam 1, there is a free bearing 1.1 at its middle part, by the traction free bearing connection of latch and tractor rear.Traction crossbeam two ends are gudgeon 1.2, and side arm rear end, the left and right sides is respectively equipped with deck 2.3, and deck can overlap the axle ear 1.2 that hangs up or dismantle the traction crossbeam easily, and with bolt deck are connected with side arm.But the different counterweight 1.3 of impost on the traction crossbeam 1 is with the center of gravity of balance equipment.
As shown in Figure 4, described steering mechanism 4, by connecting and contain the finger conversion equipment 4.1 of two fingers with the tractor head, with car body 3 by the hinged swing arm 4.2 of bearing pin 4.6, two connecting rods 4.3 hinged respectively with the swing arm front end, two knuckles 4.4 that connect with two connecting rod other ends respectively constitute.The front and back position that is positioned at bearing pin 4.6 in the swing arm has preceding chute 4.2.2, back chute 4.2.1, and the preceding finger 4.1.2 of finger conversion equipment can insert preceding chute 4.2.2, chute 4.2.1 after back finger 4.1.1 extracts out simultaneously; Or back finger 4.1.1 can insert back chute 4.2.1, chute 4.2.2, conversion mutually before simultaneously preceding finger 4.1.2 extracts out.
As shown in Figure 5, described finger conversion equipment 4.1, the crank levers 4.1.4 that is slided up and down by finger seat 4.1.3, preceding finger 4.1.2, back finger 4.1.1 and drive finger forms.Finger seat 4.1.3 and the base 4.1.5 that is fixed in the tractor head in advance pass through Bolt Connection, crank levers 4.1.4 is hinged with the supporting 4.1.6 that is fixed on finger seat 4.1.3 middle part, crank levers 4.1.4 is driven through pull bar leverage 4.1.8 and bullet school 4.1.9 by the handle 4.1.7 that is arranged on the driver operation position.When plate fixed handle 4.1.7, can drive crank levers 4.1.4 by pull bar leverage 4.1.8 and spring 4.1.9 and swing back and forth, can make two fingers from the preceding chute 4.2.2 of swing arm 4.2 or back chute 4.2.1, insert or extract out, conversion mutually.
(referring to Fig. 3) as shown in Figure 4, two knuckles 4.4 of described steering mechanism, it respectively has a vertical hinge 4.4.3 to connect with two knuckle free bearings 3.2 of Vehicular body front respectively, each knuckle has two horizontal limb arms, a limb arm 4.4.1 connects with swing arm 4.2 by connecting rod 4.3, and another limb arm 4.4.2 goes up wheel 4.5 is installed.
(referring to Fig. 1,4,5) as shown in Figure 3, car body is a steel work, top is that a coupling seat 3.1 is used bolted on connection with the base 5.1 of equipment; Front part sides is a knuckle free bearing 3.2, is used to install the vertical hinge 4.4.3 of the knuckle 4.4 of steering mechanism, is bearing on two wheels 4.5 by its trailer; In the middle of the car body bottom swing arm hinged block 3.3 is arranged, be used to install the swing arm 4.2 and the hinge 46 thereof of steering mechanism; Fixedlying connected with right arm 2.2 with left side arm 2.1 respectively in the both sides, rear portion, is hinged on tractor rear by traction crossbeam 1.
(referring to Fig. 1,2) as shown in Figure 9, described hydraulic pressure and control system 6, the hydraulic cylinder or the hydraulic motor 5.2 that are used for the transmission equipment, can adopt prior art (is example with the loading machine), system comprises hydraulic pump 6.2, hydraulic valve (multiple directional control valve) 6.3, pipeline (comprising hard tube, flexible pipe and snap joint) 6.4 and annex (fuel tank, oil filter etc.) 6.5.Hydraulic pump can utilize the hydraulic pump of tractor, connect with hydraulic system on the engineering trailer with flexible pipe and snap joint, also hydraulic pump and fuel tank can be located at engineering trailer relevant position, be assembled on the support 6.1 with the link manual multi-path reversing valve of hydraulic system of flexible coupling and tractor motive power output shaft, the joystick of hand-operated valve places the driver to be convenient to operation place.Support 6.1 can be fixed on the engineering trailer, also can adopt easy-to-mount mode to be contained on the tractor, connects with hydraulic hose with the engineering trailer.
Shown in Fig. 6,7, when the tractor walking turned to, it and engineering trailer produced a drift angle α, be connected in the finger conversion equipment 4.1 of tractor head, swing arm 4.2 deflections by finger is stirred the engineering trailer drive knuckle 4.4 by connecting rod 4.3 and rotate, and turn to thereby drive wheel 4.5.Because tractor advances or head yawing moment difference when retreating, by driver operation finger conversion equipment, the position of finger insertion swing arm as shown in the figure, when advancing, back finger 4.1.1 can insert among the chute 4.2.1 of back, when retreating, before preceding finger 4.1.2 can insert among the chute 4.2.2, make and no matter advance or the deflecting roller of the wheel of engineering trailer and tractor can both be by equidirectional deflection when retreating.Turning center coincidence with engineering trailer and tractor is a condition, by calculating the physical dimension of determined swing arm, connecting rod and knuckle, can make tractor in walking (advance or retreat) when turning to, as long as with one of engineering trailer deflection very low-angle α, just can drive the engineering trailer wheels and turn to by stirring swing arm in company with walking.
As shown in Figure 8, equipment 5 is different and different with engineer operation, and its structure can adopt prior art, operating mechanism's part of promptly similar existing special engineering machinery.As finish that harvesting, loading, excavation, fork fortune, cutter bore, the different engineer operations of lifting, then dispose corresponding work mechanism, form as among the figure: a-harvesting trailer, b-loading trailer, c-fork fortune trailer, d-excavate trailer, e-cutter brill trailer, f-elevating stage trailer, g-lifting trailer.
Utilize the step of the hinged engineering trailer of tractor as follows:
1. unclamp the bolt of engineering trailer side arm afterbody deck 2.3, unload deck, the traction crossbeam 1 and the side arm 2 of engineering trailer are unsnaped;
2. tractor 7 is sailed between engineering trailer two side arms;
3. will draw the free bearing 1.1 and tractor rear traction seat pin joint at crossbeam middle part;
4. will draw in the gudgeon groove 2.4 that crossbeam two ends gudgeon 1.2 places left and right sides side arm, and deck 2.3 will be enclosed within on the gudgeon, and be fixed by bolts on the side arm;
5. with finger conversion equipment 4.1 and Rocker arm 4 .2 contraposition, and finger seat 4.1.3 is fixed by bolts on the base 4.1.5 that the tractor head welds in advance;
6. with the hydraulic system of tractor and the hydraulic system of engineering trailer, connect with flexible pipe and snap joint, or, connect with flexible coupling with the power output shaft of tractor and the hydraulic pump shaft of engineering trailer.
Tractor can be thrown off the engineering trailer by above-mentioned reverse procedure.

Claims (7)

1, a kind of Work machine that is hinged on tractor the place ahead, comprise: what be connected with tractor contains the traction crossbeam, the vehicle frame of left and right sides side arm and car body, be connected the equipment on the car body, be arranged on steering mechanism and two wheels of car body bottom, and hydraulic pressure and control system, it is characterized in that: described Work machine is tractor-hitched a kind of independently engineering trailer, trailer car body (3) and equipment (5) are located at tractor the place ahead, be to connect with tractor rear traction free bearing by traction crossbeam (1), the left side arm (2.1) that connects respectively in traction crossbeam both sides, the front end of right arm (2.2) and described car body (3) are affixed, vehicle body upper portion connects with the base (5.1) of described equipment by connection seat (3.1), the steering mechanism (4) of trailer is set in car body (3) bottom and is bearing on two wheels (4.5) of trailer.
2, according to the described Work machine that is hinged on tractor the place ahead of claim 1, it is characterized in that: described steering mechanism (4), by connecting and contain the finger conversion equipment (4.1) of two fingers with the tractor head, pass through the hinged swing arm (4.2) of bearing pin (4.6) with car body (3), two connecting rods (4.3) hinged respectively with the swing arm front end, two knuckles (4.4) that connect with two connecting rod other ends respectively constitute, the front and back that are positioned at bearing pin (4.6) in the swing arm have preceding chute (4.2.2), back chute (4.2.1), the preceding finger (4.1.2) of finger conversion equipment, back finger (4.1.1) can insert preceding chute (4.2.2) respectively, conversion up and down in the back chute (4.2.1).
3, according to the described Work machine that is hinged on tractor the place ahead of claim 2, it is characterized in that: described finger conversion equipment (4.1), by finger seat (4.1.3), preceding finger (4.1.2), the crank levers (4.1.4) that back finger (4.1.1) and drive finger slide up and down is formed, finger seat (4.1.3) passes through Bolt Connection with the base (4.1.5) that is fixed in the tractor head in advance, crank levers (4.1.4) is hinged with the supporting (4.1.6) that is fixed on finger seat (4.1.3) middle part, crank levers (4.1.4) is driven through pull bar leverage (4.1.8) and spring (4.1.9) by the handle that is arranged on the driver operation position (4.1.7).
4, according to the described Work machine that is hinged on tractor the place ahead of claim 2, it is characterized in that: two knuckles (4.4) of described steering mechanism, it respectively has a vertical hinge (4.4.3) to connect with two knuckle free bearings (3.2) of Vehicular body front respectively, each knuckle also has two horizontal limb arms, a limb arm (4.4.1) connects with swing arm (4.2) by connecting rod (4.3), and another limb arm (4.4.2) is gone up wheel (4.5) is installed.
5, according to the described Work machine that is hinged on tractor the place ahead of claim 1, it is characterized in that: described hydraulic pressure and control system (6), form by hydraulic pump (6.2), hydraulic valve (6.3), pipeline (6.4) and annex (6.5), hydraulic pump (6.2) can utilize the hydraulic pump of tractor, be connected with system with flexible pipe and snap joint, hydraulic valve (6.3) can be manual multi-path reversing valve, places on the support (6.1) that the driver is convenient to operate.
6, according to the described Work machine that is hinged on tractor the place ahead of claim 5, it is characterized in that: described hydraulic pump (6.2), hydraulic pump and fuel tank can be arranged on the relevant position of trailer, link with the power output shaft of flexible coupling and tractor.
7, according to the described Work machine that is hinged on tractor the place ahead of claim 1, it is characterized in that: there is a free bearing (1.1) at the middle part of described traction crossbeam (1), traction free bearing by latch and tractor rear connects, traction crossbeam (1) both sides are gudgeon (1.2), side arm rear end, the left and right sides is respectively equipped with deck (2.3) smocking on gudgeon (1.2), and with bolt deck is connected with side arm, traction crossbeam (1) but go up the different counterweight (1.3) of impost.
CNB2003101173419A 2003-12-11 2003-12-11 Machineshop trailer positioned in front of a tractor Expired - Fee Related CN100427689C (en)

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CNB2003101173419A CN100427689C (en) 2003-12-11 2003-12-11 Machineshop trailer positioned in front of a tractor

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Application Number Priority Date Filing Date Title
CNB2003101173419A CN100427689C (en) 2003-12-11 2003-12-11 Machineshop trailer positioned in front of a tractor

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CN100427689C true CN100427689C (en) 2008-10-22

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104074213B (en) * 2014-07-16 2016-04-27 广西大学 A kind of sliding loader being provided with swing arm force-increasing mechanism and scraper bowl auto-leveling mechanism
CN112663718B (en) * 2021-03-16 2021-11-12 招远华丰机械设备有限公司 Novel steering cylinder hinge device of internal combustion scraper

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150474A (en) * 1976-02-02 1979-04-24 Clark Equipment Company Method of manufacturing an overhead guard for a skid steer loader
US5468120A (en) * 1993-05-15 1995-11-21 Faun Gmbh Multiple-purpose utility vehicle
US6056502A (en) * 1995-07-07 2000-05-02 Kubota Corporation Reinforcing frame structure for a tractor
US6446367B1 (en) * 1999-03-24 2002-09-10 Kubota Corporation Tractor-loader-backhoe
JP2003166260A (en) * 2001-11-29 2003-06-13 Kubota Corp Tractor capable of being fitted with front loader and back hoe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150474A (en) * 1976-02-02 1979-04-24 Clark Equipment Company Method of manufacturing an overhead guard for a skid steer loader
US5468120A (en) * 1993-05-15 1995-11-21 Faun Gmbh Multiple-purpose utility vehicle
US6056502A (en) * 1995-07-07 2000-05-02 Kubota Corporation Reinforcing frame structure for a tractor
US6446367B1 (en) * 1999-03-24 2002-09-10 Kubota Corporation Tractor-loader-backhoe
JP2003166260A (en) * 2001-11-29 2003-06-13 Kubota Corp Tractor capable of being fitted with front loader and back hoe

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Termination date: 20101211