CN207955843U - Ultralow heavy duty bivector traction platform lorry - Google Patents

Abstract

The utility model is related to mining assistant conveyance tools --- flat car, specially ultralow heavily loaded bivector traction platform lorry.Solve the problem of that existing platform lorry can not integrally move large scale equipment since bearing capacity and car body geometric dimension are limited.The flat car is made of preceding wheel assembly, rear wheel assembly, the tablet being supported on preceding wheel assembly and rear wheel assembly and traction triangle mop, and preceding wheel assembly is identical with rear wheel assembly structure, and is symmetric with the center line of tablet；The symmetrical configuration of its front and rear wheel assembly designs, and makes vehicle that can realize commutation traction whenever and wherever possible in narrow tunnel.The utility model increases bearing capacity and car body geometric dimension, and brand-new design is carried out to the structure of vehicle, fully achieve it is whole move large scale equipment, solve the problems, such as equipment disintegrating transportation conscientiously in place needs the duplication of labour re-assemblied again afterwards, the greatly relatively low labor intensity of employee.

Description

Ultralow heavy duty bivector traction platform lorry

Technical field

The utility model is related to mining assistant conveyance tools --- and flat car, specially ultralow heavily loaded bivector traction rubber tire are flat Wooden handcart.

Background technology

The existing platform lorry that coal mine uses is limited by transport bearing capacity and car body geometric dimension so that is made now The electromechanical equipment of the large-scale comprehensive overweight overlength of pick of fully mechanized mining must all disintegrate and can just be transported to destination on underground or well, in this way, Working strength is virtually increased, working efficiency is reduced, while can not also ensure the original assembling quality of electromechanical equipment.

Invention content

The utility model solves existing platform lorry since bearing capacity and car body geometric dimension are limited, and can not integrally remove The problem of dynamic large scale equipment, the electromechanical equipment of such as large-scale comprehensive overweight overlength of pick of fully mechanized mining, provide a kind of ultralow heavily loaded bivector traction glue Take turns flat car.The platform lorry uses completely new Design of Mechanical Structure due to the increase of bearing capacity and geometric dimension.

The utility model adopts the following technical scheme that realization：Ultralow heavy duty bivector traction platform lorry, by front-wheel Assembly, rear wheel assembly, the tablet being supported on preceding wheel assembly and rear wheel assembly and traction triangle mop are constituted, and preceding wheel assembly is with after Wheel assembly structure is identical, and is symmetric with the center line of tablet；

Preceding wheel assembly include hitch frame, carrier, rubber tire, carrier stiffener plate, left supporting roller component, right supporting roller component, Middle supporting roller component turns to shaft assembly；

Hitch frame includes four shapes identical towing plate, towing plate by front right-angled trapezium plate and right-angled trapezium plate The rectangular slab that bottom extends back is constituted, and the oblique girdle plane of the right-angled trapezium plate of four towing plates is welded on lower pallet, under The width of supporting plate and the equal length of oblique girdle plane, the front end of lower pallet（I.e. with the corresponding end of the upper bottom end of right-angled trapezium plate）It is provided with Two notches, the position of notch is between the first and second towing plate and third and fourth towing plate, and between towing plate and first, fourth leads It is equipped on the outside of corbel back slab simultaneously with towing plate and the fixed vertical bars plate of lower pallet, the front end of four towing plates is all provided with pin shaft hole, sells Notch is crossed in the position of axis hole；

Carrier includes the rectangular frame surrounded by riser, and fixed in rectangular frame there are two the short side with rectangular frame is vertical It is provided with the axis hole that Open Side Down, square in the middle part of the bottom edge of the parallel intermediate riser of plate, the short side riser of rectangular frame and intermediate riser A rubber tire is set between one short side riser of shape frame and an intermediate riser, rectangle is inserted at the wheel shaft both ends of rubber tire respectively Axis hole on the short side riser of frame and intermediate riser, to make carrier be supported on the wheel shaft of rubber tire；The square of each towing plate The rear end of shape plate and the long side riser of rectangular frame weld, to realize the connection between hitch frame and carrier；

The side of two long side risers of rectangular frame is vertically and fixedly provided with carrier stiffener plate；The left side of each rubber tire is equipped with The left supporting roller component being fixed in carrier stiffener plate, the right side of each rubber tire, which is equipped with, to be fixed in carrier stiffener plate The centre of right supporting roller component, carrier stiffener plate is fixed with middle supporting roller component；

Left supporting roller component includes the left support roller horizontal supporting plate by triangle and is perpendicularly fixed at left support roller horizontal supporting plate The left roller frame that the left support roller vertical gripper shoe of lower face is constituted, left support roller horizontal supporting plate upper surface is vertically and fixedly provided with two left sides The wheel shaft both ends of support roller support plate, left support roller are supported on left support roller support plate, and bearing is equipped between left support roller and the wheel shaft of left support roller； Left support roller vertical gripper shoe welds with carrier stiffener plate and ensures the inclined edge surfaces direction of the left support roller horizontal supporting plate of triangle The long side riser of the rectangular frame of carrier；

Right supporting roller component includes the right support roller horizontal supporting plate by triangle and is perpendicularly fixed at right support roller horizontal supporting plate The right roller frame that the right support roller vertical gripper shoe of lower face is constituted, right support roller horizontal supporting plate upper surface is vertically and fixedly provided with two right sides The wheel shaft both ends of support roller support plate, right support roller are supported on right support roller support plate, and bearing is equipped between right support roller and the wheel shaft of right support roller； Right support roller vertical gripper shoe welds with carrier stiffener plate and ensures the inclined edge surfaces direction of the right support roller horizontal supporting plate of triangle The long side riser of the rectangular frame of carrier；

Middle supporting roller component includes by middle support roller horizontal supporting plate and being perpendicularly fixed at middle support roller horizontal supporting plate lower face The middle roller frame that middle support roller vertical gripper shoe is constituted, middle support roller horizontal supporting plate upper surface is vertically and fixedly provided with two middle support roller branch The wheel shaft both ends of plate, middle support roller are supported on middle support roller support plate, and bearing is equipped between middle support roller and the wheel shaft of middle support roller；Middle support roller Vertical gripper shoe is welded with carrier stiffener plate；

It includes top chock, step and the steering shaft being connected between top chock and step to turn to shaft assembly Connector sleeve, steering shaft are located in steering shaft connector sleeve, upper alignment bearing are equipped between steering shaft and top chock, steering shaft is under Lower alignment bearing is equipped between bearing block；The part more than top chock of steering shaft is fixed with the steering shaft to radially distribute Stiffener plate；Intrinsic locking wire ring is covered on the step part below of steering shaft；The top end face of steering shaft is equipped with protruding pin；On Bearing block and step are fixed between two intermediate risers of carrier and keep steering shaft vertical（In tablet）；When assembly, Have pin hole corresponding with protruding pin position on tablet, the support roller for ensureing left supporting roller component, right supporting roller component and middle supporting roller component with In the case that tablet lower face contacts, protruding pin is inserted into the pin hole on tablet 1 and welding, meanwhile, the steering that will be radially distributed Axis stiffener plate is welded with tablet lower face；

Traction triangle mop is connected with the hitch frame of preceding wheel assembly or rear wheel assembly, that is, draws triangle mop connecting pin Two joint angles with hinge hole, stretch into the indentation, there on the lower pallet of hitch frame, and axis pin is led also cross four of hitch frame Hinge hole on the pin shaft hole of corbel back slab front end and two joint angles of traction triangle mop；

The ultralow heavily loaded bivector traction platform lorry shape geometric dimension：4000mm×1600mm×600mm；Maximum carries Weight：40 tons.

It is connected on preceding wheel assembly or rear wheel assembly in use, drawing triangle mop according to the route selection of flat car；It is logical Traction to flat car can be realized by crossing dragging traction triangle mop.When steering, wheel assembly or trailing wheel before traction triangle mop drives Assembly around steering axes, meanwhile, the support roller of left supporting roller component, right supporting roller component and middle supporting roller component rolls on tablet lower face It is dynamic, it is flexibly turned to realize.

Ultralow heavily loaded bivector traction platform lorry described in the utility model, increases bearing capacity and car body dimensioning It is very little, and brand-new design has been carried out to the structure of vehicle, it is reasonable in design, novel, unique, fully achieve whole move greatly Type equipment, solve the problems, such as equipment disintegrating transportation conscientiously in place needs the duplication of labour re-assemblied again afterwards, greatly relatively low member The labor intensity of work shortens the Operational preparation time, improves work efficiency, and in turn ensures original assembling quality of equipment, warp Cross accounting, 1,600,000 yuan/year of direct economic benefit.The symmetrical configuration of its front and rear wheel assembly designs, and makes vehicle in narrow tunnel It is interior to realize commutation traction whenever and wherever possible.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the vertical view of Fig. 1；

Fig. 3 is the left view of Fig. 1；

Fig. 4 is the structural schematic diagram of hitch frame；

Fig. 5 is the vertical view of Fig. 4；

Fig. 6 is the left view of Fig. 4；

Fig. 7 is the structural schematic diagram of carrier；

Fig. 8 is the vertical view of Fig. 7；

Fig. 9 is the left view of Fig. 7；

Figure 10 is the structural schematic diagram of carrier stiffener plate；

Figure 11 is the structural schematic diagram of left supporting roller component；

Figure 12 is the vertical view of Figure 11；

Figure 13 is the structural schematic diagram of right supporting roller component；

Figure 14 is the vertical view of Figure 13；

Figure 15 is the structural schematic diagram of middle supporting roller component；

Figure 16 is the left view of Figure 15；

Figure 17 is the structural schematic diagram for turning to shaft assembly；

Figure 18 is the structural schematic diagram of locking mechanism；

Figure 19 is the structural schematic diagram of lockplate；

Figure 20 is the structural schematic diagram for locking hinge plate；

Figure 21 is the left view of Figure 20；

Figure 22 is the structural schematic diagram for locking hinge plate positioning sleeve.

In figure：1, tablet, 2, traction triangle mop, 3, hitch frame, 3-1, towing plate on 3-2, lower pallet, 3-3, lack Mouthful, 3-4, vertical bars plate, 3-5, pin shaft hole, 4, carrier, 4-1, rectangular frame, 4-2, intermediate riser, 4-3, axis hole, 4- 4, screw hole, 5, axis pin, 6, right supporting roller component, 6-1, right support roller horizontal supporting plate, 6-2, right support roller vertical gripper shoe, 6-3, Right support roller support plate, 6-4, right support roller, 7, left supporting roller component, 7-1, left support roller horizontal supporting plate, 7-2, left support roller support vertically Plate, 7-3, left support roller support plate, 7-4, left support roller, 8, middle supporting roller component, 8-1, middle support roller horizontal supporting plate, 8-2, middle support roller Vertical gripper shoe, 8-3, middle support roller support plate, 8-4, middle support roller, 9, carrier stiffener plate, 10, turn to shaft assembly, 10-1, Top chock, 10-2, step, 10-3, steering shaft connector sleeve, 10-4, steering shaft, 10-5, upper alignment bearing, 10- 6, lower alignment bearing, 10-7, steering shaft stiffener plate, 10-8, locking wire ring, 10-9, protruding pin, 11, rubber tire, 12, rubber tire card Plate, 15, locking hinge plate, 15-1, hinged pipe, 15-2, plate body, 15-3, card hole, 16, locking hinge plate positioning sleeve, 17, lock Fixed board, 17-1, card convex.

Specific implementation mode

Ultralow heavy duty bivector traction platform lorry, by preceding wheel assembly, rear wheel assembly, be supported in before wheel assembly and trailing wheel it is total It is constituted at upper tablet 1 and traction triangle mop 2, preceding wheel assembly is identical with rear wheel assembly structure, and is in the center line of tablet 1 It is symmetrical；

Preceding wheel assembly includes hitch frame 3, carrier 4, rubber tire 11, carrier stiffener plate 9, left supporting roller component 7, right support roller Component 6, turns to shaft assembly 10 at middle supporting roller component 8；

Hitch frame 3 includes four shapes identical towing plate 3-1, towing plate 3-1 by the right-angled trapezium plate of front and straight The rectangular slab that the bottom of angle trapezoidal plate extends back is constituted, the oblique girdle plane welding of the right-angled trapezium plate of four towing plate 3-1 In on lower pallet 3-2, the width of lower pallet 3-2 and the equal length of oblique girdle plane, the front end of lower pallet 3-2（It is i.e. terraced with right angle The corresponding end of the upper bottom end of shape plate）Open there are two notch 3-3, the position of notch 3-3 be located at the first and second towing plate and third, Between four towing plates, it is equipped between towing plate 3-1 and on the outside of the first, fourth towing plate fixed with towing plate and lower pallet simultaneously The front end of vertical bars plate 3-4, four towing plate 3-1 are all provided with pin shaft hole 3-5, and notch 3-3 is crossed in the position of pin shaft hole 3-5；

Carrier 4 includes the rectangular frame 4-1 surrounded by riser, in rectangular frame 4-1 it is fixed there are two and rectangle frame In the middle part of the bottom edge of the parallel intermediate riser 4-2 of the short side riser of frame, the short side riser of rectangular frame 4-1 and intermediate riser 4-2 It is provided with the axis hole 4-3 that Open Side Down, is arranged one between a short side riser of rectangular frame 4-1 and an intermediate riser 4-2 The axis hole on the short side riser and intermediate riser 4-2 of rectangular frame 4-1 is inserted at a rubber tire 11, the wheel shaft both ends of rubber tire 11 respectively 4-3, to make carrier 4 be supported on the wheel shaft of rubber tire 11；On the short side riser of rectangular frame 4-1 and intermediate riser 4-2 The both sides axis hole 4-3 be provided with screw hole 4-4, rubber tire snap-gauge 12 is screwed on screw hole 4-4, prevent rubber tire 11 wheel shaft be detached from axis hole 4-3；The rear end of the rectangular slab of each towing plate 3-1 and the long side riser of rectangular frame 4-1 weld, to realize hitch frame 3 with Connection between carrier 4；

The side of the two long side risers of rectangular frame 4-1 is vertically and fixedly provided with carrier stiffener plate 9；Each rubber tire 11 Left side is equipped with the left supporting roller component 7 being fixed in carrier stiffener plate 9, and the right side of each rubber tire 11, which is equipped with, is fixed on carrier The centre of right supporting roller component 6 in stiffener plate 9, carrier stiffener plate 9 is fixed with middle supporting roller component 8；

Left supporting roller component 7 includes the left support roller horizontal supporting plate 7-1 by triangle and is perpendicularly fixed at left support roller level branch The left roller frame that the left support roller vertical gripper shoe 7-2 of the lower faces fagging 7-1 is constituted, the left upper surfaces support roller horizontal supporting plate 7-1 Two left support roller support plate 7-3 are vertically and fixedly provided with, the wheel shaft both ends of left support roller 7-4 are supported on left support roller support plate 7-3, Zuo Tuo It takes turns and is equipped with bearing between 7-4 and the wheel shaft of left support roller 7-4；Left support roller vertical gripper shoe 7-2 is welded with carrier stiffener plate 9 It connects and ensures that the inclined edge surfaces of the left support roller horizontal supporting plate 7-1 of triangle are vertical towards the long side of the rectangular frame 4-1 of carrier 4 Plate；

Right supporting roller component 6 includes the right support roller horizontal supporting plate 6-1 by triangle and is perpendicularly fixed at right support roller level branch The right roller frame that the right support roller vertical gripper shoe 6-2 of the lower faces fagging 6-1 is constituted, the right upper surfaces support roller horizontal supporting plate 6-1 Two right support roller support plate 6-3 are vertically and fixedly provided with, the wheel shaft both ends of right support roller 6-4 are supported on right support roller support plate 6-3, right support It takes turns and is equipped with bearing between 6-4 and the wheel shaft of right support roller 6-4；Right support roller vertical gripper shoe 6-2 is welded with carrier stiffener plate 9 It connects and ensures that the inclined edge surfaces of the right support roller horizontal supporting plate 6-1 of triangle are vertical towards the long side of the rectangular frame 4-1 of carrier 4 Plate；

Middle supporting roller component 8 includes by middle support roller horizontal supporting plate 8-1 and being perpendicularly fixed at middle support roller horizontal supporting plate 8-1 The middle roller frame that the middle support roller vertical gripper shoe 8-2 of lower face is constituted, the middle upper surfaces support roller horizontal supporting plate 8-1 are vertically fixed There are two middle support roller support plate 8-3, the wheel shaft both ends of middle support roller 8-4 are supported on middle support roller support plate 8-3, middle support roller 8-4 with Bearing is equipped between the wheel shaft of middle support roller 8-4；Middle support roller vertical gripper shoe 8-2 is welded with carrier stiffener plate 9；

Shaft assembly 10 is turned to include top chock 10-1, step 10-2 and be connected to top chock and step Between steering shaft connector sleeve 10-3, steering shaft 10-4 is located in steering shaft connector sleeve 10-3, steering shaft 10-4 and upper axis It is equipped with upper alignment bearing 10-5 between bearing 10-1, lower alignment bearing is equipped between steering shaft 10-4 and step 10-2 10-6；The part of the top chock 10-1 or more of steering shaft 10-4 is fixed with the steering shaft stiffener plate to radially distribute 10-7；Intrinsic locking wire ring 10-8 is covered on the parts below step 10-2 of steering shaft 10-4；Steering shaft 10-4's Top end face is equipped with protruding pin 10-9；Top chock 10-1 and step 10-2 is fixed on two intermediate riser 4-2 of carrier 4 Between and keep steering shaft 10-4 vertical（In tablet）；When assembly, there is pin hole corresponding with the positions protruding pin 10-9 on tablet 1, In the case where the support roller and tablet lower face for ensureing left supporting roller component 7, right supporting roller component 6 and middle supporting roller component 8 contact, protruding pin 10-9 is inserted into the pin hole on tablet 1 and welding, meanwhile, by the steering shaft stiffener plate 10-7 to radially distribute and tablet 1 It welds lower face；

Traction triangle mop 2 is connected with the hitch frame 3 of preceding wheel assembly or rear wheel assembly, that is, draws triangle mop 2 and connect End two joint angles with hinge hole, stretch at the notch 3-3 on the lower pallet 3-2 of hitch frame 3, axis pin 5 also cross Hinge hole on the pin shaft hole 3-5 of four front ends towing plate 3-1 of hitch frame 3 and two joint angles of traction triangle mop 2；

The ultralow heavily loaded bivector traction platform lorry shape geometric dimension：4000mm×1600mm×600mm；Maximum carries Weight：40 tons.

Steering lock mechanism is additionally provided on preceding wheel assembly and rear wheel assembly, steering lock mechanism is closed by lockplate 17, locking Page board 15 and locking hinge plate positioning sleeve 16 are constituted, and lockplate 17 is a strip board, and the side end face of lockplate 17 is welded in flat There are card convex 17-1 in the side wall of plate 1, the other side, have pin hole on card convex 17-1；Locking hinge plate 15 is by hinged pipe 15-1 and admittedly It constitutes due to the plate body 15-2 of hinged pipe outer wall, has and the matched cards of card convex 17-1 on lockplate 17 on plate body 15-2 Hole 15-3；The inclined casing that hinge plate positioning sleeve 16 is nut type is locked, locking hinge plate positioning sleeve 16 is fixed on hitch frame 3 Second, third towing plate 3-1 opposite face pin shaft hole 3-5 surroundings, lock hinge plate 15 hinged pipe 15-1 both ends It is placed in locking hinge plate positioning sleeve 16；The internal diameter for locking the hinged pipe 15-1 of hinge plate 15 is more than the second of hitch frame 3, the The internal diameter of pin shaft hole 3-5 on three towing plate 3-1（In this way, not influencing traction triangle mop 2 passes through axis pin 5 and hitch frame 3 Connection）.When needing steering locking（After steering locking, flat car cannot be turned to and can only be kept straight on）, rotation locking hinge plate 15, so that the card hole 15-3 on its plate body 15-2 is placed on the card convex 17-1 on lockplate 17, and the bolt on card convex 17-1 Bolt is inserted into hole.

Claims (3)

1. a kind of ultralow heavily loaded bivector traction platform lorry, it is characterised in that by preceding wheel assembly, rear wheel assembly, be supported in front-wheel Tablet (1) and traction triangle mop (2) on assembly and rear wheel assembly are constituted, and preceding wheel assembly is identical with rear wheel assembly structure, and It is symmetric with the center line of tablet (1)；

Preceding wheel assembly include hitch frame (3), carrier (4), rubber tire (11), carrier stiffener plate (9), left supporting roller component (7), Right supporting roller component (6), turns to shaft assembly (1) 0 at middle supporting roller component (8)；

Hitch frame (3) include the identical towing plate (3-1) of four shapes, towing plate (3-1) by front right-angled trapezium plate and The rectangular slab that the bottom of right-angled trapezium plate extends back is constituted, the oblique girdle plane of the right-angled trapezium plate of four towing plates (3-1) It is welded on lower pallet (3-2), the equal length of the width and oblique girdle plane of lower pallet (3-2), the front end of lower pallet (3-2) It opens there are two notch (3-3), the position of notch (3-3) is between the first and second towing plate and third and fourth towing plate, traction Between plate (3-1) and the first, fourth towing plate on the outside of be equipped with simultaneously with towing plate and the fixed vertical bars plate (3-4) of lower pallet, four The front end of a towing plate (3-1) is all provided with pin shaft hole (3-5), and notch (3-3) is crossed in the position of pin shaft hole (3-5)；

Carrier (4) includes the rectangular frame (4-1) surrounded by riser, in rectangular frame (4-1) it is fixed there are two and rectangle The parallel intermediate riser (4-2) of the short side riser of frame, the short side riser of rectangular frame (4-1) and intermediate riser (4-2) The axis hole (4-3) that Open Side Down, a short side riser of rectangular frame (4-1) and an intermediate riser are provided in the middle part of bottom edge One rubber tire (11) is set between (4-2), and the short side riser of rectangular frame (4-1) is inserted at the wheel shaft both ends of rubber tire (11) respectively With the axis hole (4-3) on intermediate riser (4-2), to make carrier (4) be supported on the wheel shaft of rubber tire (11)；Each towing plate The rear end of the rectangular slab of (3-1) is welded with the long side riser of rectangular frame (4-1), to realize hitch frame (3) and carrier (4) connection between；

The side of two long side risers of rectangular frame (4-1) is vertically and fixedly provided with carrier stiffener plate (9)；Each rubber tire (11) Left side be equipped with and be fixed on left supporting roller component (7) in carrier stiffener plate (9), the right side of each rubber tire (11), which is equipped with, to be fixed In the right supporting roller component (6) in carrier stiffener plate (9), the centre of carrier stiffener plate (9) is fixed with middle supporting roller component (8)；

Left supporting roller component (7) includes the left support roller horizontal supporting plate (7-1) by triangle and is perpendicularly fixed at left support roller level branch The left roller frame that the left support roller vertical gripper shoe (7-2) of the lower face fagging (7-1) is constituted, left support roller horizontal supporting plate (7-1) Upper surface is vertically and fixedly provided with two left support roller support plates (7-3), and the wheel shaft both ends of left support roller (7-4) are supported in left support roller support plate On (7-3), bearing is equipped between left support roller (7-4) and the wheel shaft of left support roller (7-4)；Left support roller vertical gripper shoe (7-2) It is welded with carrier stiffener plate (9) and ensures the inclined edge surfaces of the left support roller horizontal supporting plate (7-1) of triangle towards carrier (4) the long side riser of rectangular frame (4-1)；

Right supporting roller component (6) includes the right support roller horizontal supporting plate (6-1) by triangle and is perpendicularly fixed at right support roller level branch The right roller frame that the right support roller vertical gripper shoe (6-2) of the lower face fagging (6-1) is constituted, right support roller horizontal supporting plate (6-1) Upper surface is vertically and fixedly provided with two right support roller support plates (6-3), and the wheel shaft both ends of right support roller (6-4) are supported in right support roller support plate On (6-3), bearing is equipped between right support roller (6-4) and the wheel shaft of right support roller (6-4)；Right support roller vertical gripper shoe (6-2) It is welded with carrier stiffener plate (9) and ensures the inclined edge surfaces of the right support roller horizontal supporting plate (6-1) of triangle towards carrier (4) the long side riser of rectangular frame (4-1)；

Middle supporting roller component (8) includes by middle support roller horizontal supporting plate (8-1) and being perpendicularly fixed at middle support roller horizontal supporting plate (8- 1) the middle roller frame that the middle support roller vertical gripper shoe (8-2) of lower face is constituted, middle support roller horizontal supporting plate (8-1) upper surface are hung down Straight fixed there are two middle support roller support plate (8-3), the wheel shaft both ends of middle support roller (8-4) are supported on middle support roller support plate (8-3), Bearing is equipped between middle support roller (8-4) and the wheel shaft of middle support roller (8-4)；Middle support roller vertical gripper shoe (8-2) adds with carrier Strengthening tendons plate (9) welds；

Shaft assembly (10) is turned to include top chock (10-1), step (10-2) and be connected to top chock and lower bearing Steering shaft connector sleeve (10-3) between seat, steering shaft (10-4) are located in steering shaft connector sleeve (10-3), steering shaft Upper alignment bearing (10-5), steering shaft (10-4) and step are equipped between (10-4) and top chock (10-1) Lower alignment bearing (10-6) is equipped between (10-2)；The part more than top chock (10-1) of steering shaft (10-4) is fixed There is the steering shaft stiffener plate (10-7) to radially distribute；Portion below step (10-2) of steering shaft (10-4) Divide upper set intrinsic locking wire ring (10-8)；The top end face of steering shaft (10-4) is equipped with protruding pin (10-9)；Top chock (10- 1) it is fixed between two intermediate risers (4-2) of carrier (4) with step (10-2) and steering shaft (10-4) is kept to hang down Directly；When assembly, there is pin hole corresponding with the protruding pin position (10-9) on tablet (1), is ensureing left supporting roller component (7), right support roller group In the case that the support roller of part (6) and middle supporting roller component (8) is contacted with tablet lower face, protruding pin (10-9) is inserted on tablet (1) Pin hole simultaneously welds, meanwhile, the steering shaft stiffener plate (10-7) to radially distribute and tablet (1) lower face are welded；

Traction triangle mop (2) is connected with the hitch frame (3) of preceding wheel assembly or rear wheel assembly, that is, draws triangle mop (2) even Two joint angles with hinge hole for connecing end stretch at the notch (3-3) on the lower pallet (3-2) of hitch frame (3), axis pin (5) pin shaft hole (3-5) also cross four towing plate (3-1) front ends of hitch frame (3) and traction triangle mop (2) two Hinge hole in a joint angle.

2. ultralow heavily loaded bivector traction platform lorry according to claim 1, it is characterised in that rectangular frame（4-1） Short side riser and intermediate riser（4-2）On axis hole（4-3）Both sides are provided with screw hole（4-4）, screw hole（4-4）On be screwed with glue Take turns snap-gauge（12）, prevent rubber tire（11）Wheel shaft be detached from axis hole（4-3）.

3. ultralow heavily loaded bivector traction platform lorry according to claim 1 or 2, it is characterised in that preceding wheel assembly is with after Steering lock mechanism is additionally provided on wheel assembly, steering lock mechanism is by lockplate (17), locking hinge plate (15) and locking hinge Plate positioning sleeve (16) is constituted, and lockplate (17) is a strip board, and the side end face of lockplate (17) is welded in the side of tablet (1) There are card convex (17-1) in wall, the other side, have pin hole in card convex (17-1)；Lock hinge plate (15) by hinged pipe (15-1) and The plate body (15-2) for being fixed on hinged pipe outer wall is constituted, and is had on plate body (15-2) and the card convex (17-1) on lockplate (17) Matched card hole (15-3)；The inclined casing that hinge plate positioning sleeve (16) is nut type is locked, hinge plate positioning sleeve is locked (16) it is fixed on pin shaft hole (3-5) surrounding of the opposite face of second, third towing plate (3-1) of hitch frame (3), locks hinge The both ends of the hinged pipe (15-1) of plate (15) are placed in locking hinge plate positioning sleeve (16)；Lock the hinged pipe of hinge plate (15) The internal diameter of (15-1) is more than the internal diameter of the pin shaft hole (3-5) on second, third towing plate (3-1) of hitch frame (3).