CN104863375B - Multifunctional circulation transport cart - Google Patents

Abstract

Provided is a multifunctional circulation transport cart. The multifunctional circulation transport cart can perform towing in a narrow formwork support system space in the early-stage wall column or formwork removal process in underground structure construction and also can rapidly classify circulation materials and rapidly tow the circulation materials to a discharging port so that the circulation materials can be transferred out by a tower crane in large-scale formwork removal. The multifunctional circulation transport cart comprises a front wheel assembly and a rear wheel assembly, and the front wheel assembly and the rear wheel assembly are connected together through a length-adjustable positioning frame. By the adoption of the spliced adjustable structure, the front wheel assembly, the rear wheel assembly separated from the front wheel assembly, a front frame and a rear frame separated from the front frame form the transport cart of which the size and width are suitable for the narrow space in early-stage formwork removal of a construction engineering basement. The transport cart can play a great role in construction of the construction engineering underground structure or material clearing, transfer the circulation materials and construction materials in or out more rapidly compared with a traditional method, greatly shorten the time for transferring the circulation materials and the construction materials in basement construction, accelerate the progress of the whole basement engineering, lower the construction cost and improve the construction efficiency.

Description

Multi-functional revolution transport vehicle

Technical field

The present invention relates to a kind of revolution transport vehicle, transport construction material particularly to a kind of architectural engineering building site that is applied to Transport vehicle.

Background technology

After the completion of the Basement Concrete Structures of architectural engineering pour, unit in charge of construction needs the template removed and support Body (abbreviation circulation material) transports, and traditional method is: by artificial, these circulation materials is carried to the discharging that structure plate face is reserved Mouthful place's pile, then is hung out by tower crane, and the construction material needed for basement structure subsequent job will when described template with Supporter is all removed after transporting, and could be transported into by car ramp.

Said method exists not enough as follows:

1) this way is manually to complete the pile to circulation material, transhipment operation completely, and operating personnel is many and efficiency Low, and often when transporting material, tower crane is often in and uses peak period, the transhipment time is long, and material before transhipment nor Classify in time, stack after transition and mix, utilization of area rate is low.

2) because the operation of man-handling of materials circulation material is slow, often in underground structure, the bottom circulation material of dismounting is also Do not clean out, the circulation material of last layer is carried out removing cleaning, in order to not affect tearing open of last layer circulation material again Except the dismounting transhipment operation it is necessary to interlayer closing is temporarily carried out to discharging opening, last layer circulation material being beneficial to this, thus can The part circulation material, waste material and the rubbish that cause dismounting can not be cleared up, and extend the cleaning of circulation material in underground structure Activity duration.So, the carrying out time of subsequent construction will be extended.

Content of the invention

The technical problem to be solved in the present invention is to provide one kind can tear open in early stage wall column, template in Underground Construction Carry out haul operation during removing will to have enough to meet the need when template large area is removed in narrow form bracing system space Material Fast Classification, quickly hauls discharging opening tower crane and produces it is also possible to rapid translating function is by template waste material, rubbish, Disposably cleared out a gathering place before interlayer closing, the multi-functional the turnover simultaneously construction material needed for underground engineering subsequent construction being proceeded to Transport vehicle.

In order to solve above-mentioned technical problem, the technical solution used in the present invention is:

The multi-functional revolution transport vehicle of the present invention, including front component and wheel assembly, described front component and rear wheels Part is linked together by the locating rack of length adjustable；Described front component is by front axle, the side arm being fixed on front axle Turntable bearing and the front truck framework being fixed on turntable bearing flange footstock that frame, flange base are fixed on side arm frame top surface Become；The after-poppet that described wheel assembly by hind axle, is fixed on hind axle and the Rear frame being fixed on after-poppet are constituted；? The front end of described side arm frame is connected with draw bar, and the front end of this draw bar is articulated in can be by this transport vehicle by architectural engineering basement It is pulled on the compact tractor of discharging opening.

Described front frame is identical with the shape of Rear frame, and front frame and Rear frame are by least two root type steel are made and width Adjustable crossbeam longitudinal beam welding made with least two root type steel is constituted.

Described locating rack is a root type steel, and its front end is fixed on located at described front frame rear portion by elastic positioning member On positioning seat, its rear end is bolted on the adjustable plate being fixedly arranged on described Rear frame, and this locating rack is parallel to front axle Line with hind axle.

Described adjustable plate is one block of steel plate, and it extends perpendicular to the ground and from the front to the back and is welded on Rear frame bottom surface, thereon It is interval with several screws from the front to the back, the corresponding rear end in described locating rack is also interval with several from the front to the back and leads to Hole, adopts bolt can be connected, by different screws, the connection position adjusting described locating rack and adjustable plate with the pairing of through hole therebetween Put.

Described positioning seat is made up of the steel plate being welded on front frame rear portion, is provided with fastener hole on steel plate；Described fixed Position frame front end bottom surface is welded with the connecting plate in pluggable positioning seat, and this connecting plate is provided with the hole not less than fastener hole；Described Elastic positioning member is made up of train wheel bridge, lower plate and the helical spring being placed between train wheel bridge and lower plate being provided with perforation, Described locating rack can be connected to described using screw bolt passes train wheel bridge, helical spring, lower plate, connecting plate and fastener hole In front frame.

Be provided with upwardly extending enclosing in the end of two crossbeams of front frame and two crossbeams of Rear frame, this enclosing by Shaped steel is made, and it is fixed on described crossbeam with fast inserting structure.

Described locating rack is the push-in shaped steel roof beam structure being connected between the crossbeam of front frame and the crossbeam of Rear frame, in institute The left and right two ends stating crossbeam also set the side frame linking that front frame and Rear frame can link together, and this side frame linking is solid with fast inserting structure It is scheduled on described crossbeam.

The top surface of the crossbeam of front frame and the crossbeam of Rear frame is interval with several and positions corner brace, multi-functional along this The car body of revolution transport vehicle is longitudinally provided with the shaped steel of horizontal positioned being fixedly connected in described positioning corner brace or flitch and lays Carried of building material on the shaped steel or flitch of horizontal positioned or the flat board of cement mortar.

Described fast inserting structure is the structure being fixed by socket the shaped steel of different bores using bolt.

Described front axle and hind axle are constituted with right axle shaft by separately positioned left half axle, on left half axle with right axle shaft The axially spaced axletree set being provided with several pin-and-holes, being arranged with steel between left half axle and right axle shaft, corresponding, in axletree Put and also be provided with and described pin-and-hole identical pin-and-hole, pin is inserted in described pin-and-hole, can be by left half axle and the right side by axletree set Semiaxis wheel spacing as required is fixed together.

The present invention will be big for separately positioned front component, wheel assembly and front/rear frame composition using assembled adjustable structure A kind of transport that during little width size appropriate architecture engineering basement early stage form removal, the small space in shuttering supporting body uses Car, this transport vehicle length is adjustable, and when the four corner setting guardrail enclosing in this car, it can be by the strip removing steel The circulation materials such as pipe, steel column disposably classify pile it is also possible to speed code the enclosing convenient disassembly template of side, flitch Put, quickly hauled by trailer and transport to the discharging opening tower crane (crane in construction site) of basement, afterwards, then by basement Construction material needed for structure successive projects is quickly transported to basement construction scene by this transport vehicle.Or, when in the present invention When laying flat board in transport vehicle, it equally can be by the required building material of construction or cement mortar rapid transport to destination.This The transport vehicle of invention can play larger effect in the construction of architectural engineering underground structure or material are cleared up, to circulation material with apply The producing of work material, proceed to faster compared with traditional method, it is substantially shorter circulation material and construction material in basement engineering The transhipment time, shorten the whole engineering of basement progress, reduce construction cost, improve engineering efficiency.

Brief description

Fig. 1 is the front schematic view of the embodiment of the present invention 1.

Fig. 2 is the schematic rear view of Fig. 1.

Fig. 3 is a portion enlarged diagram in Fig. 2.

Fig. 4 is one of schematic diagram after increasing enclosing in Fig. 1.

Fig. 5 is two of the schematic diagram after increasing enclosing in Fig. 1.

Fig. 6 is the application schematic diagram being mounted with circulation material.

Fig. 7 is the schematic diagram of the embodiment of the present invention 2.

Fig. 8 is the schematic diagram increasing side frame linking in the figure 7.

Fig. 9 is to install positioning corner brace schematic diagram on the crossbeam with Rear frame for the front frame.

Figure 10 is the schematic diagram after arranging pillar in fig .9.

Figure 11 is to lay schematic diagram after flat board in Fig. 10.

Figure 12 is locating rack example 1 schematic diagram.

Figure 13 is locating rack example 2 schematic diagram.

Figure 14 is enclosing schematic diagram.

Figure 15 is side frame linking schematic diagram.

Figure 16 is elastic positioning member enlarged diagram.

Figure 17 is b portion enlarged diagram in Fig. 2.

Reference is as follows:

Front component 1, front-wheel 11, front axle 12, side arm frame 13, front frame 14, fore-stock 15, connecting seat 16, Wheel assembly 2, trailing wheel 21, hind axle 22, after-poppet 23, Rear frame 24, adjustable plate 25, turntable bearing 3, positioning seat 4th, side plate 41, base plate 42, elastic positioning member 5, train wheel bridge 51, helical spring 52, lower plate 53, locating rack 6, logical Hole 61, roll adjustment steel bushing 62, enclosing 7, side frame linking 8, positioning corner brace 9, pillar 91, flat board 92, axletree set 93, pin-and-hole 931st, draw bar 10, handle 20.

Specific embodiment

As shown in Fig. 1,2,7,11, the basement that the multi-functional revolution transport vehicle of the present invention is particularly suited for architectural engineering mixes Xtah Crude Clay structure produces circulation material and proceeds to construction material (after i.e. underground structure concrete structure pours and completes after the completion of pouring Construction material needed for part-to-item project).Its longitudinal length scalable, its width is adjustable, and (the preferred width of the carbody of the present invention can As little as 0.8 meter), it is particularly suited for shuttling between the narrow shuttering supporting body of basement structure and move.

This transport vehicle includes front component 1 and the wheel assembly 2 of separable setting, can be according to its loading material during use Difference, what selection was different can link together the connector constituting complete transport vehicle (below by front component 1 and wheel assembly 2 Claim locating rack 6), this locating rack 6 can be connected between front component 1 and wheel assembly 2 with inserting mode soon.

Described front component 1 by two front-wheels 11, front axle 12, side arm frame 13, fore-stock 15, flanged seat turntable shaft Hold 3 (present invention adopts the rotating disk supporting that Hubei Shuan Yuan Trade Co., Ltd. produces) and front frame 14 is constituted.11 sets of two front-wheels It is connected on the two ends of front axle 12, interval is connected with two fore-stocks 15 on front axle 12, described side arm frame 13 is a square frame Body is welded on two fore-stocks 15, and described turntable bearing 3 is arranged on side arm frame 13, the flange base of turntable bearing 3 Can be fixed on side arm frame 13 using welding or bolt connection.Described front frame 14 be by the made crossbeam of at least two root type steel and The framework (present invention is preferably two crossbeams and two longerons) that longitudinal beam welding is constituted, the crossbeam adjustable in length of front frame 14 (referring to the width scalable of this front frame 14), this front frame 14 is fixed on the method for turntable bearing 3 using welding or bolt connection On blue footstock, can relatively rotate between front frame 14 and side arm frame 13.

Described wheel assembly 2 is made up of two trailing wheels 21, hind axle 22, after-poppet 23 and Rear frame 24.Two trailing wheels 21 It is socketed in the two ends of hind axle 22.After-poppet 23 is two and interval is fixed on hind axle 22, and Rear frame 24 is with front frame 14 Identical be also the crossbeam made by least two root type steel and framework that longitudinal beam welding is constituted, the crossbeam adjustable in length of Rear frame 24 (referring to the width scalable of this Rear frame 14), using welding or bolt connection, (fixation below can be all by fixing for Rear frame 24 Welding commonly used in the prior art, bolt connection or buckle-type connect) on after-poppet 23.

The top surface of described front frame 14 and Rear frame 24 is in same level.

It is connected with draw bar 10 in the front end of the side arm frame 13 of front component 1, the front end of this draw bar 10 is articulated in small-sized The afterbody of tractor, its rear end is articulated on the connecting seat 16 being welded on side arm frame 13 front end face center, and this connecting seat 16 is two The vertical interval setting of block which is provided with the steel plate of dowel hole, (should be able to add in the both sides of this steel plate welding reinforcement in order to firm Strong muscle in figure is not shown), the rear end level of draw bar 10 is socketed in the alignment pin being arranged between two blocks of steel plates.Vertically set The rear end that the steel plate clamping put draw bar can enable draw bar 10 front end directly drive turntable bearing with tractor when turning to Rotate, that is, drive front-wheel steer.

Compact tractor such as small-sized forklift, small-sized electric flatcar etc., under the pulling of compact tractor, can will carry described week Turn material or the present invention of construction material operates in architectural engineering basement construction scene to discharging opening.

, all using shaped steel, this shaped steel can, I-steel or recessed logical for side for supporting construction used in the transport vehicle of the present invention One of shape steel or two or more combination therein.

The structure of the locating rack 6 in the present invention has following two kinds of modes:

1) locating rack 6 leads to (see Figure 13) for a side being connected between described front frame 14 and Rear frame 24 middle part, Middle part and/or afterbody, are provided with the roll adjustment steel bushing 62 of length adjustable thereon.This kind of attachment structure is suitable for using when vehicle body is longer.

The rear end that the party leads to is bolted on the adjustable plate 25 being fixedly arranged on described Rear frame 24.Described adjustable plate 25 For one block of steel plate, it extends be welded on Rear frame 24 bottom surface on perpendicular to the ground and from the front to the back, is interval with from the front to the back thereon Several screws, the corresponding rear end leading in the party is also interval with several through holes 61 from the front to the back.Therebetween can be by front and back Movement side leads to the link position to adjust this locating rack 6 and adjustable plate 25, that is, adjust between front component 1 and wheel assembly 2 Fore-and-aft distance.

The front end that the party leads to is connected on the positioning seat 4 at described front frame 14 rear portion.Front end and positioning that the party leads to Seat 4 be connected with following two kinds of structures:

First, welding one piece of connecting plate in the logical front end in side, connecting plate is provided with hole.Described positioning seat is relatively to set up and down The two block plates put and be welded by steel plate, seat board is provided with hole, the logical connecting plate in side is inserted and exists between two block plates again Between connecting plate and upper base plate, an elastic positioning member 5 is installed, described elastic positioning member 5 is by the train wheel bridge being provided with perforation 51st, lower plate 53 and the helical spring 52 being placed between train wheel bridge 51 and lower plate 53 form.Using the screw bolt passes seat of honour The front end that the party can be led to by plate, train wheel bridge 51, helical spring 52, lower plate 53, connecting plate and lower seat board is fixed on this positioning seat In, thus, front component 1 and wheel assembly 2 are linked together (not shown in this structure chart).

This attachment structure is simple, but the bolt being wound in positioning seat 4 between front end sometimes is led in front frame 14 and the party Relatively rotate, that is, described wheel assembly 2 occurs and waves phenomenon this car in the process of walking.

Second, welding one piece of connecting plate in the logical front end in side, connecting plate is provided with hole.As shown in figure 3, described positioning seat 4 It is welded by side plate 41 and base plate 42, its cross sectional shape is in " recessed " shape, is provided with fastener hole on base plate 42, by the logical connection in side Plate inserts in positioning seat 4 and installs described elastic positioning member 5 (see Figure 16) again on connecting plate, using screw bolt passes The party can be led to by the train wheel bridge 51 in elastic positioning member 5, helical spring 52, lower plate 53, described connecting plate and fastener hole Front end is fixed in this positioning seat 4, thus, front component 1 is linked together with wheel assembly 2.

Positioning seat 4 side plate 41 in this structure can be used to the connecting plate of stationary positioned framve 6, so it does not vacillating now to the left, now to the right, Before and after holding, wheel shaft 22 is parallel, and elastic positioning member 5 can be used to keep forward and backward vehicle frame 24 on a horizontal plane, such as When fruit runs into the pavement roughness of walking, spring assembly can also have a flexible deformation, before and after laying down (dischargeing) The torsion to positioning seat 4 and locating rack 6 for the wheel assembly 2, prevents its deformed damaged.

2) as shown in Fig. 7,8,12, locating rack 6 is the crossbeam of the push-in crossbeam being connected to front frame 14 and Rear frame 24 Between shaped steel roof beam structure (this locating rack 6 also can arrange the connector of length adjustable as previously mentioned thereon).Described push-in It is connected as: slightly larger using size and single side face opening side leads to and is socketed on described crossbeam in reserved connecting post, uses bolt Screwed, you can front frame 14 is linked together with Rear frame 24.This kind of attachment structure is suitable for using when vehicle body is shorter.

Under this kind of attachment structure, also can be same in the left and right two ends setting side frame linking 8 (see shown in Fig. 8,15) of described crossbeam Sample, using aforesaid push-in connect by the beam-end being fixed on front frame 14 and Rear frame 24 in frame linking 8 (this while frame linking 8 Also its length of scalable).

The another improvement of the present invention is that the wheelbase between revolver and right wheel is designed as adjustable structure, and this structure can be according to building The distance between journey basement different templates supporter is adjusted to the width of this transport vehicle, logical in any width to adapt to Use in road, concrete structure is as follows:

As shown in Fig. 1,2,17, described front axle 12 and hind axle 22 are divided into two parts, i.e. front axle 12 and trailing wheel Axle 22 is constituted with right axle shaft by separately positioned left half axle, and left half axle is affixed with corresponding wheel with the outer end in right axle shaft, Inner is free end, is provided with several pin-and-holes 931 in left half axle and right axle shaft near the partly axially spaced of free end, on a left side It is arranged with the axletree set 93 of steel between semiaxis and right axle shaft, corresponding, axletree set 93 also is provided with identical with described pin-and-hole Pin-and-hole 931, by the free end of left half axle and right axle shaft be placed through axletree set 93 in, regulate distance, institute inserted by pin The pin-and-hole stated can wheel spacing as required be fixed together with right axle shaft by left half axle.

Further improvement of the present invention is that the two ends setting of the crossbeam in the crossbeam of front frame 14 and Rear frame 24 is prolonged upwards The enclosing 7 made by shaped steel stretched, the number of enclosing 7 preferably eight, enclosing 7 with described push-in be fastened on corresponding On crossbeam.This structure can make rod member circulation material to be transported or pile of construction material put in place (see Fig. 4,5,6,14 institute Show), be conducive to the management of job site, greatly improve the efficiency of tower crane lifting.

Described enclosing 7 can adjust length according to the height of loading in short transverse.

Enclosing 7 can adopt fixed and movable.It is described that fixed to be fixed on crossbeam for enclosing 7 immovable；Movable it is Low-angle structure (when this movable structure is conducive to crane lifting, easily in-car construction material being hung out) can outwards be rotated.

This structure can make during this transport vehicle of application haul bar material it is ensured that wheel shaft 22 keeping parallelism in front and back.

The another improvement of the present invention is to arrange several on the top surface of the crossbeam in the crossbeam of front frame 14 and Rear frame 24 Positioning corner brace 9, positioning corner brace 9 interval setting on same crossbeam.Some are installed between front frame 14 and Rear frame 24 Horizontally disposed pillar 91 (as shown in Figure 9), pillar 91 is fixedly connected in positioning corner brace 9, and pillar 91 can be shaped steel, alternatively The flitch that job site is discarded, afterwards, can lay one flat plate 92, the present invention can be made the transition by slightly fixation on this pillar 91 For a flat board 92 car (as shown in Figure 10), this flat board 92 car favorably transports building material or cement mortar needed for subsequent construction (including the outwards rubbish at quick cleaning haul scene, waste material).

The present invention is that one kind can assist basement concrete structure formwork to carry out (early) soon and tear operation open quickly producing and leading to Cross the Multifunction tow that subsequent job material requested is quickly sent to basement by basement discharging opening.

The present invention can carry out Rapid Combination in basement work layer, meet underground structure using different vehicle body shapes and applying During work, the transhipment of different materials is required, the circulation material after it can be removed to job site is piled up by specification Direct Classification On trailer, directly haul discharge outlet and carry out lifting transhipment.Simultaneously can interlayer closing before by form removable after Construction material needed for next procedure quickly proceeds to work layer and carries out forward job.

The present invention also can set brake system on draw bar 10, arrange in Rear frame 24 afterbody and draw pintle, such one Tractor can drag the transport vehicle of the present invention of at least more than two concatenations.

Also fore-stock and after-poppet can be set to spring shock absorption steel plate supporting construction.

In the case of not having tractor, the present invention is additionally provided with the front end of draw bar and handles 20 beneficial to manually pull a cart.

Claims (8)

1. a kind of multi-functional revolution transport vehicle, including front component (1) and wheel assembly (2) it is characterised in that: described front wheels Part (1) and wheel assembly (2) are linked together by the locating rack (6) of length adjustable；Described front component (1) is by front axle (12) the side arm frame (13), being fixed on front axle (12), flange base are fixed on the turntable bearing on side arm frame (13) top surface (3) constitute with the front frame (14) that is fixed on turntable bearing (3) flange footstock；Described wheel assembly (2) by hind axle (22), The after-poppet (23) being fixed on hind axle (22) and the Rear frame (24) being fixed on after-poppet (23) are constituted；In described side arm The front end of frame (13) is connected with draw bar (10), and the front end of this draw bar (10) is articulated in can be by this transport vehicle by architectural engineering ground Lower room is pulled on the compact tractor of discharging opening；

Described locating rack (6) is a root type steel, and its front end is fixed on located at described front frame (14) by elastic positioning member (5) On the positioning seat (4) at rear portion, its rear end is bolted on the adjustable plate (25) being fixedly arranged on described Rear frame (24)；Described Positioning seat (4) is made up of the steel plate being welded on front frame (14) rear portion, is provided with fastener hole on steel plate；In described locating rack (6) front end bottom surface is welded with the connecting plate in pluggable positioning seat (4), and this connecting plate is provided with the hole not less than fastener hole；Institute State elastic positioning member (5) by being provided with the train wheel bridge (51) of perforation, lower plate (53) and be placed in train wheel bridge (51) and lower plate (53) helical spring (52) composition between, using screw bolt passes train wheel bridge (51), helical spring (52), lower plate (53), described locating rack (6) can be connected in described front frame (14) for connecting plate and fastener hole.

2. multi-functional revolution transport vehicle according to claim 1 it is characterised in that: described front frame (14) and Rear frame (24) shape is identical, front frame (14) and Rear frame (24) by least two root type steel are made and the adjustable crossbeam of width with The made longitudinal beam welding of at least two root type steel is constituted.

3. multi-functional revolution transport vehicle according to claim 2 it is characterised in that: described adjustable plate (25) be one block of steel Plate, it extends perpendicular to the ground and from the front to the back and is welded on Rear frame (24) bottom surface, is interval with several thereon from the front to the back Screw, the corresponding rear end in described locating rack (6) is also interval with several through holes (61) from the front to the back, adopts bolt therebetween The link position adjusting described locating rack (6) and adjustable plate (25) can be connected by different screws with the pairing of through hole (61).

4. multi-functional revolution transport vehicle according to claim 3 it is characterised in that: front frame (14) two crossbeams and The end of two crossbeams of Rear frame (24) is provided with upwardly extending enclosing (7), and this enclosing (7) is made by shaped steel, and it is to insert soon Structure is fixed on described crossbeam.

5. multi-functional revolution transport vehicle according to claim 1 it is characterised in that: described locating rack (6) be push-in company It is connected on the shaped steel roof beam structure between the crossbeam of front frame (14) and the crossbeam of Rear frame (24), also set at the left and right two ends of described crossbeam The side frame linking (8) that front frame (14) and Rear frame (24) can be linked together, this side frame linking (8) is fixed on institute with fast inserting structure State on crossbeam.

6. the multi-functional revolution transport vehicle according to claim 1,2,3 or 5 it is characterised in that: in the horizontal stroke of front frame (14) Several positioning corner brace (9) are interval with the top surface of crossbeam of beam and Rear frame (24), along this multi-functional revolution transport vehicle Car body is longitudinally provided with the shaped steel of horizontal positioned being fixedly connected on described positioning corner brace (9) or flitch and is placed in horizontal positioned Shaped steel or flitch on carried of building material or cement mortar flat board (92).

7. the multi-functional revolution transport vehicle according to claim 4 or 5 it is characterised in that: described fast inserting structure is to adopt spiral shell The structure that the shaped steel of different bores is fixed by socket by bolt.

8. multi-functional revolution transport vehicle according to claim 1 it is characterised in that: described front axle (12) and hind axle (22) constituted by separately positioned left half axle and right axle shaft, axially spaced on left half axle with right axle shaft be provided with several pins Hole (931), is arranged with axletree set (93) of steel between left half axle and right axle shaft, corresponding, also sets on axletree set (93) Have and described pin-and-hole identical pin-and-hole (931), pin is inserted in described pin-and-hole (931), can be by left half by axletree set (93) Axle and right axle shaft wheel spacing as required is fixed together.