CN207810518U - It is a kind of mobile by truck with buffer unit - Google Patents

Abstract

A kind of mobile with buffer unit should be set to the top of ribbon conveyer by truck by truck, after the material buffer that will receive, in output to the conveyer belt of ribbon conveyer, to be somebody's turn to do and can be run along the track of ribbon conveyer both sides by truck；Should be included walking mechanism, truck frame body, elastic component, material feeding component, braking mechanism by truck, the walking mechanism of normally closed structure brake structure is arranged in the utility model and the cooperation of ribbon conveyer track is moved, and meets the requirement of multiple spot material feeding；Left charging plate, right charging plate are equipped with spliced wearing plate, can bear bulk, hard material to being impacted by truck, and replace conveniently；Left charging plate, the distinctive longitudinal direction of right charging plate, the design of material conveying direction bell shape, can effectively buffer, dredge material, avoid the damage to conveyer belt；Elastic component is installed between walking mechanism and truck frame body, further buffered, dredged material and avoid damage to conveyer belt.

Description

It is a kind of mobile by truck with buffer unit

Technical field

The utility model is related to the technical field of auxiliary equipment of bulk transportation ribbon conveyer, more particularly to a kind of with slow The movable type of flushing device is by truck.

Background technology

Over the past decade, with the growth of coal demand, the investment construction of glory-hole also expands constantly.It is outdoor Mine is removed and the traditional production practice of coal mining system is：The material of explosion is transported to Crushing Station by power shovel, and broken material passes through It reprints ribbon conveyer and is transported to dislocation sealing-tape machine, finally transport material to refuse dump with dumping plough.For this traditional Mining type, because power shovel and movement or semifixed Crushing Station cost are very high, a set of perfect power shovel and Crushing Station cost are easily Several hundred million RMB, cost account for a big chunk of entire stripping system cost, since China exploits field in footrail The ratio of technology development is later, and ripe perfect power shovel and Crushing Station core technology rest in inside foreign corporation's hand, not only produce Period is longer, and cannot provide effective after-sale service, is based on the above reason, and domestic a lot of footrails cannot all use this Ripe production practice, can only the higher automotive pattern of alternative costs.Not only efficiency is low, it is often more important that automotive waste of resource is dirty Contaminate environment.

Invention content

In view of this, against the above deficiency, it is necessary to propose a kind of with cushioning effect, one kind of distributing multiple spot material feeding Movable type with buffer unit is by truck.

It is a kind of mobile by truck with buffer unit, the top of ribbon conveyer should be set to by truck, will connect After the material buffer of receipts, in output to the conveyer belt of ribbon conveyer, being somebody's turn to do can be along the track of ribbon conveyer both sides by truck Operation；Should be included walking mechanism, truck frame body, elastic component, material feeding component, braking mechanism, the walking mechanism installation by truck In the lower section of truck frame body, the track of walking mechanism and the installation of ribbon conveyer both sides, which rolls, to be coordinated, and is equipped in walking mechanism Braking mechanism, the braking mechanism are normally closed structure, elastic component are equipped between walking mechanism and truck frame body, in truck frame The both sides of body are equipped with material feeding component, and the material feeding component includes left charging plate, right charging plate, the left charging plate, right material feeding The conveying direction that plate is respectively parallel to ribbon conveyer is installed on the both sides of truck frame body, the left charging plate, right charging plate phase Reversed dip is arranged, to be longitudinally formed up big and down small bell shape, the left charging plate, right charging plate lower edge point Do not extend to conveyer belt, and extend to the top of the trough rim of conveyer belt both sides, the left charging plate, right charging plate lower edge along defeated Send the both sides with direction to be respectively arranged with extension, the left charging plate, right charging plate homonymy two extensions end it is same To bending, so that left charging plate, right charging plate also form bell shape along running direction of conveyor belt；In the left material feeding Plate further respectively has side shield along the both sides of belt direction, and the left charging plate, right charging plate upper surface are by multiple rectangular Wearing plate be spliced.

Preferably, the elastic component is metal coil spring.

Preferably, the elastic component is rubber-metal spiral complex spring.

Preferably, the walking mechanism includes rotary shaft, Secure Shell, idler wheel, the Secure Shell and truck frame body it Between be rotatablely connected by rotary shaft, the Secure Shell lower ending opening, the idler wheel is installed in Secure Shell, and with outside safety Shell is rotatablely connected, and the idler wheel is rolled with track to be coordinated.Preferably, it is installed with wooden unit in the front end of the Secure Shell, The wooden unit is rectangular shape, and the side of the wooden unit is fixedly connected with Secure Shell, and track is close in the bottom surface of the wooden unit Upper surface, to clean track upper surface.

Preferably, it is equipped on the Secure Shell and only climbs hook, the hitcher of only climbing is described hook-shaped there are one crook Portion stretches in the groove of track side surfaces.

Preferably, the braking mechanism includes brake frame body, brake block component, brake gear plate, rotating bar, steel wire rope, The brake frame body includes two the first support plates being mutually parallel being vertically arranged, and is arranged between two support plates Second support plate installs directive wheel in one end of two the first support plates, and the other end of two the first support plates is fixed on safety On shell, the brake block component includes arc brake piece, connecting shaft, metal spring, and the arc brake piece is one and rolling The arc panel that wheel rolling surface matches, the connecting shaft and arc hinged in the convex surface side of brake block and one end of connecting shaft Brake block outer surface is vertical, and the other end of connecting shaft sequentially passes through the through-hole being arranged in Secure Shell and the second support plate, Flange is provided in connecting shaft, the flange between complete shell and the second support plate, flange and the second support plate it Between be set with metal spring in figure connecting shaft, to apply thrust in flange by metal spring, and then brake block is pressed and is rolled It takes turns on rolling surface, the lower edge of the brake gear plate is fixed on the medium position of rotating bar, the both ends of the rotating bar and truck The crossbeam of frame body is rotatablely connected, and the end of rotating bar is fixedly connected with the first cantilever part, the free end of the cantilever part and steel wire One end of rope connects, and the other end of above-mentioned steel wire rope connects around directive wheel and the other end of connecting shaft, the brake gear plate Rotating bar rotation, rotating bar is driven to drive the rotation of the first cantilever part, the first cantilever part that steel wire rope, steel wire rope is pulled to pull connecting shaft Overcome the elastic force of metal spring, and arc brake piece is detached with idler wheel.

Preferably, first cantilever part is that open auger is buckled.

Preferably, two groups of braking mechanisms should be equipped with by truck, and be respectively arranged at material feeding vehicle front and back position, two brake structures The same side of rotating bar be mounted on the second cantilever part, the free end of the second cantilever part of two rotating bars is drawn with one respectively The both ends of bar are hinged.

Preferably, three groups of fixed frames are equipped on the left charging plate, each group of fixed frame includes vertical beam, horizontal beam, The vertical beam, horizontal beam the lower surface of one end and left charging plate weld, the vertical beam, horizontal beam the other end and truck Frame body welds, and is buckled and is connected by open auger between the upper edge part and truck frame body of left charging plate, the both ends that open auger is buckled It is hinged with the upper edge part of right charging plate and truck frame body respectively, it is welded with multiple hang in the upper surface of the truck frame body crossbeam Hook.

The walking mechanism of normally closed structure brake structure is arranged in the utility model and the cooperation of ribbon conveyer track is moved, and meets The requirement of multiple spot material feeding；Left charging plate, right charging plate be equipped with spliced wearing plate, can bear bulk, hard material to by The impact of truck, and replace conveniently；Left charging plate, the distinctive longitudinal direction of right charging plate, the design of material conveying direction bell shape, It can effectively buffer, dredge material, avoid the damage to conveyer belt；Elastic component is installed between walking mechanism and truck frame body, into One step buffering dredges material and avoids damage to conveyer belt.

Description of the drawings

Fig. 1 is a kind of mobile axonometric drawing by truck with buffer unit.

Fig. 2 is a kind of mobile axonometric drawing by another angle of truck with buffer unit.

Fig. 3 is the partial enlarged view of the walking mechanism.

Fig. 4 is the partial enlarged view of another angle of walking mechanism.

Fig. 5 is the braking mechanism from the partial enlarged view for looking up direction.

Fig. 6 is pull rod and rotating bar junction partial enlarged view in the braking mechanism.

Fig. 7 is the left charging plate and truck frame body junction partial enlarged view.

In figure：Walking mechanism 10, rotary shaft 11, Secure Shell 12, idler wheel 13, wooden unit 14, only climb hook 15, crook 151, Truck frame body 20, crossbeam 21, suspension hook 22, fixed frame 23, vertical beam 231, horizontal beam 232, elastic component 30, material feeding component 40, a left side Charging plate 41, right charging plate 42, extension 43, side shield 44, wearing plate 45, braking mechanism 50, brake frame body 51, first support Plate 511, the second support plate 512, directive wheel 513, brake block component 52, arc brake piece 521, connecting shaft 522, flange 5221, Metal spring 523, brake gear plate 53, rotating bar 54, the first cantilever part 541, steel wire rope 55, the second cantilever part 56, pull rod 57, Ribbon conveyer 60, conveyer belt 61, track 70.

Specific implementation mode

It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for this For the those of ordinary skill of field, without creative efforts, others are can also be obtained according to these attached drawings Attached drawing.

Referring to Fig. 1 and Fig. 2, the utility model embodiment provides a kind of mobile by truck with buffer unit, should The top of ribbon conveyer 60 is set to by truck, to after the material buffer that will receive, the conveying of output to ribbon conveyer 60 On band 61, it should can be run along the track 70 of 60 both sides of ribbon conveyer by truck；Should be included walking mechanism 10, truck by truck Frame body 20, elastic component 30, material feeding component 40, braking mechanism 50, walking mechanism 10 are installed on the lower section of truck frame body 20, vehicle with walking machine Structure 10 and the track 70 of 60 both sides of ribbon conveyer installation roll and coordinate, and braking mechanism 50, brake are equipped in walking mechanism 10 Mechanism 50 is normally closed structure, elastic component 30 is equipped between walking mechanism 10 and truck frame body 20, the two of truck frame body 20 Side is equipped with material feeding component 40, and material feeding component 40 includes left charging plate 41, right charging plate 42, left charging plate 41, right charging plate 42 The conveying direction for being respectively parallel to ribbon conveyer 60 is installed on the both sides of truck frame body 20, left charging plate 41, right charging plate 42 Opposite reversed dip is arranged, to be longitudinally formed up big and down small bell shape, left charging plate 41, right charging plate 42 lower edge Extend respectively to conveyer belt 61, and extend to the top of the trough rim of 61 both sides of conveyer belt, under left charging plate 41, right charging plate 42 It is respectively arranged with extension 43, two extensions of left charging plate 41,42 homonymy of right charging plate along the both sides in 61 direction of conveyer belt The end in portion 43 is bent in the same direction, so that left charging plate 41, right charging plate 42 also form loudspeaker along 61 traffic direction of conveyer belt Mouth-shaped；In left charging plate 41 side shield 44, left charging plate 41, right charging plate are further respectively had along the both sides in 61 direction of conveyer belt 42 upper surfaces are spliced by multiple rectangular wearing plates 45.

Walking mechanism 10 should be installed by truck, which can move along the track 70 of 60 both sides of ribbon conveyer It is dynamic, change material feeding point position to facilitate, single fixation is become into distributing multiple spot material feeding by shots, to realize explosion Expect on ground excavator is direct on ribbon conveyer 60.

Braking mechanism 50 is designed as normally closed structure, prevents movement from, when material feeding or fuselage track 70 tilt, being moved by truck It is dynamic to be slided by truck.

Elastic component 30 is installed between walking mechanism 10 and truck frame body 20, when by truck by material impact, has one Fixed cushioning effect prevents impact force to be applied directly to by truck, to being there is certain protective effect by truck, and meanwhile it is also advantageous It is slipped on ribbon conveyer 60 along dummy car arm in material, indirect protective effect is played to conveyer belt 61.

This, using the form of skeleton+motherboard+wearing plate 45, is alleviated the mobile entirety by truck by truck material feeding component 40 Weight.

What left charging plate 41, right charging plate 42 and left charging plate 41, the right charging plate 42 of reversed dip setting were arranged prolongs Long portion 43, side shield 44 are being longitudinally formed up big and down small bell shape, existing guide effect, and can formed to material impact Cushioning effect reduces the damage of conveyer belt 61；It especially moves and is received using loudspeaker along 61 traffic direction of conveyer belt by truck The mode of mouth, i.e. material inlet port is big, and material discharge port is small, not only ensure that passing through for material in this way, but also material can be made to exist Relatively centralized when outlet reduces sideslip, the damage of conveyer belt 61.

The walking mechanism 10 of normally closed structure brake structure is arranged in the utility model and the cooperation of 60 track 70 of ribbon conveyer moves It is dynamic, meet the requirement of multiple spot material feeding；Left charging plate 41, right charging plate 42 be equipped with spliced wearing plate 45, can bear bulk, Hard material is replaced conveniently to being impacted by truck；Left charging plate 41,42 distinctive longitudinal direction of right charging plate, material conveying side It is designed to bell shape, can effectively buffer, dredge material, avoid the damage to conveyer belt 61；Walking mechanism 10 and truck Elastic component 30 is installed between frame body 20, further buffered, dredged material and avoid damage to conveyer belt 61.

Further, elastic component 30 is metal coil spring；Further, elastic component 30 is the compound bullet of rubber-metal spiral Spring.

The characteristics of rubber-metal spiral complex spring：（1）It will not be freezed by ice and snow being used in cold area, bullet Property stablize, can be suitble to cold district use；（2）Rubber has interior friction, can obtain the effect for decaying and vibrating, when can be by resonating Amplitude reduce；（3）Type is upwarped in nonlinear with the increase of load, in normal duty, similar slinky spring, and in big load When, the amount of deflection of spring is smaller, has the function of inhibiting deformation, compares traditional helical spring or flat spring, can effectively prevent The maximum stress lower generation of effect is lost；（4）Helical spring embeds in rubber, makes helical spring antirust, anticorrosion, dust-proof, makes Abrasion are reduced in the sliding surface of the cylindrical shape guider of spring intracavity installing.

Referring to Fig. 3, further, walking mechanism 10 include rotary shaft 11, Secure Shell 12, idler wheel 13, Secure Shell 12 with It is rotatablely connected by rotary shaft 11 between truck frame body 20,12 lower ending opening of Secure Shell, idler wheel 13 is installed on Secure Shell 12 It is interior, and be rotatablely connected with Secure Shell 12, idler wheel 13 is rolled with track 70 to be coordinated.

It is rotatablely connected by rotary shaft 11 between Secure Shell 12 and truck frame body 20, idler wheel 13 is to realize universal wheel Effect prevents when 60 fuselage 70 flexural deformation of track of ribbon conveyer idler wheel 13 to generate stuck.

Referring to Fig. 4, further, it being installed with wooden unit 14 in the front end of Secure Shell 12, wooden unit 14 is rectangular shape, The side of wooden unit 14 is fixedly connected with Secure Shell 12, and the upper surface of track 70 is close in the bottom surface of wooden unit 14, to clean track 70 upper surfaces.

For the wooden unit 14 of Secure Shell 12 with being walked by truck, wooden unit 14 clears away the native slag on track 70, further prevents It is only stuck.

It referring to Fig. 4, further, is equipped on Secure Shell 12 and only climbs hook 15, only climbing the tool of hook 15, there are one crooks 151, crook 151 stretches in the groove of 70 side of track；Only climbing hook 15 then prevents from being turned on one's side by truck.

Referring to Fig. 5 and Fig. 6, further, braking mechanism 50 includes brake frame body 51, brake block component 52, brake gear plate 53, rotating bar 54, steel wire rope 55, brake frame body 51 include two the first support plates 511 being mutually parallel being vertically arranged, and The second support plate 512 being arranged between two support plates installs directive wheel 513 in one end of two the first support plates 511, and two The other end of a first support plate 511 is fixed on Secure Shell 12, and brake block component 52 includes arc brake piece 521, connection Axis 522, metal spring 523, arc brake piece 521 is an arc panel to match with 13 rolling surface of idler wheel, in brake block Convex surface side and one end of connecting shaft 522 are hinged, and connecting shaft 522 is vertical with 521 outer surface of arc brake piece, connecting shaft 522 The other end sequentially passes through the through-hole being arranged in Secure Shell 12 and the second support plate 512, and flange is provided in connecting shaft 522 5221, flange 5221 is schemed between complete shell and the second support plate 512 between flange 5221 and the second support plate 512 Metal spring 523 is set in connecting shaft 522, to apply thrust in flange 5221, and then by brake block by metal spring 523 With on 13 rolling surface of idler wheel, the lower edge of brake gear plate 53 is fixed on the medium position of rotating bar 54 for pressing, and the two of rotating bar 54 End and the crossbeam 21 of truck frame body 20 are rotatablely connected, and the end of rotating bar 54 is fixedly connected with the first cantilever part 541, cantilever part Free end is connect with one end of steel wire rope 55, and the other end of above-mentioned steel wire rope 55 is another around directive wheel 513 and connecting shaft 522 End connection, brake gear plate 53 drive rotating bar 54 to rotate, and rotating bar 54 drives the rotation of the first cantilever part 541, the first cantilever part 541 pull steel wire rope 55, and steel wire rope 55 pulls connecting shaft 522 to overcome the elastic force of metal spring 523, and makes arc brake piece 521 detach with idler wheel 13.

Metal spring 523 is housed, 523 power of metal spring squeezes brake block, makes brake block and idler wheel 13 on braking mechanism 50 Embracing together tightly, prevents by truck when material feeding or fuselage track 70 tilt, is slided by truck；If being needed to move by truck Dynamic position, it is only necessary to push brake gear plate 53 with digger arm, by outer force effect, normally closed metal spring 523 be made to open The movement by truck can be realized.

Further, the first cantilever part 541 is that open auger is buckled；The braking strength of conveniently adjusted braking mechanism 50.

Referring to Fig. 6, further, two groups of braking mechanisms 50 should be equipped with by truck, and be respectively arranged at material feeding vehicle front and back position, two The same side of the rotating bar 54 of a brake structure is mounted on the second cantilever part 56, the second cantilever part 56 of two rotating bars 54 Free end is hinged with the both ends of a pull rod 57 respectively.

In the embodiment, it is only necessary to push a brake gear plate 53 with digger arm, can simultaneously control by truck The braking of front and rear rolling wheel 13.

Referring to Fig. 7, further, three groups of fixed frames 23 are equipped on left charging plate 41, each group of fixed frame 23 includes vertical Beam 231, horizontal beam 232, vertical beam 231, one end of horizontal beam 232 and the lower surface of left charging plate 41 are welded, vertical beam 231, The other end of horizontal beam 232 is welded with truck frame body 20, by opening between the upper edge part and truck frame body 20 of left charging plate 41 Formula screw-button connects, and the both ends that open auger is buckled are hinged with the upper edge part of right charging plate 42 and truck frame body 20 respectively, expecting The upper surface of 20 crossbeam 21 of vehicle frame is welded with multiple suspension hooks 22；It ensure that whole stress, and can shipping easy to disassemble.

Module or unit in the utility model embodiment device can be merged, divide and be deleted according to actual needs Subtract.

Above disclosures are merely preferred embodiments of the utility model, with this utility model cannot be limited certainly Interest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to this reality The equivalent variations made by novel claim, still fall within the scope of the utility model.

Claims (10)

1. a kind of movable type with buffer unit is by truck, it is characterised in that：This is set to the top of ribbon conveyer by truck, It, should can be along ribbon conveyer two by truck in output to the conveyer belt of ribbon conveyer to after the material buffer that will receive The track of side is run；Should be included walking mechanism, truck frame body, elastic component, material feeding component, braking mechanism, the walking by truck Mechanism is installed on the lower section of truck frame body, and walking mechanism and the track of ribbon conveyer both sides installation roll cooperation, in vehicle with walking machine Structure is equipped with braking mechanism, and the braking mechanism is normally closed structure, and elastic component is equipped between walking mechanism and truck frame body, Material feeding component is installed in the both sides of truck frame body, the material feeding component includes left charging plate, right charging plate, the left material feeding The conveying direction that plate, right charging plate are respectively parallel to ribbon conveyer is installed on the both sides of truck frame body, the left charging plate, the right side Charging plate is arranged with respect to reversed dip, to be longitudinally formed up big and down small bell shape, the left charging plate, right charging plate Lower edge respectively extend to conveyer belt, and extend to the top of the trough rim of conveyer belt both sides, the left charging plate, right charging plate Lower edge is respectively arranged with extension along the both sides of belt direction, the left charging plate, right charging plate homonymy two extensions End be bent in the same direction so that left charging plate, right charging plate also form bell shape along running direction of conveyor belt；Institute State left charging plate and further respectively have side shield along the both sides of belt direction, the left charging plate, right charging plate upper surface by Multiple rectangular wearing plates are spliced.

2. a kind of movable type with buffer unit as described in claim 1 is by truck, it is characterised in that：The elastic component is Metal coil spring.

3. a kind of movable type with buffer unit as claimed in claim 2 is by truck, it is characterised in that：The elastic component is Rubber-metal spiral complex spring.

4. a kind of movable type with buffer unit as described in claim 1 is by truck, it is characterised in that：The walking mechanism It including rotary shaft, Secure Shell, idler wheel, is rotatablely connected by rotary shaft between the Secure Shell and truck frame body, the peace Full shell lower ending opening, the idler wheel are installed in Secure Shell, and are rotatablely connected with Secure Shell, and the idler wheel is rolled with track Dynamic cooperation.

5. a kind of movable type with buffer unit as claimed in claim 4 is by truck, it is characterised in that：Outside the safety The front end of shell is installed with wooden unit, and the wooden unit is rectangular shape, and the side of the wooden unit is fixedly connected with Secure Shell, The upper surface of track is close in the bottom surface of the wooden unit, to clean track upper surface.

6. a kind of movable type with buffer unit as claimed in claim 5 is by truck, it is characterised in that：Outside the safety It is equipped on shell and only climbs hook, there are one crook, the crook stretches in the groove of track side surfaces the hitcher of only climbing.

7. a kind of movable type with buffer unit as described in claim 1 is by truck, it is characterised in that：The braking mechanism Including brake frame body, brake block component, brake gear plate, rotating bar, steel wire rope, the brake frame body is set vertically including two The first support plate being mutually parallel set, and the second support plate for being arranged between two support plates are supported at two first Directive wheel is installed in one end of plate, and the other end of two the first support plates is fixed on Secure Shell, and the brake block component includes Arc brake piece, connecting shaft, metal spring, the arc brake piece are an arc panel to match with idler wheel rolling surface, The convex surface side of brake block and one end of connecting shaft are hinged, and the connecting shaft is vertical with arc brake piece outer surface, connecting shaft The other end sequentially passes through the through-hole being arranged in Secure Shell and the second support plate, and flange is provided in connecting shaft, described convex Edge is set with metal elastic between flange and the second support plate between complete shell and the second support plate in figure connecting shaft Spring, with by metal spring apply thrust in flange, and then by brake block pressing with idler wheel rolling surface on, the brake gear plate Lower edge be fixed on the medium position of rotating bar, the both ends of the rotating bar are rotatablely connected with the crossbeam of truck frame body, rotating bar End be fixedly connected with the first cantilever part, the free end of the cantilever part and one end of steel wire rope connect, above-mentioned steel wire rope The other end connects around directive wheel and the other end of connecting shaft, and the brake gear strip turn lever rotation, rotating bar drives First cantilever part rotates, and the first cantilever part pulls steel wire rope, and steel wire rope pulls connecting shaft to overcome the elastic force of metal spring, and makes Arc brake piece is detached with idler wheel.

8. a kind of movable type with buffer unit as claimed in claim 7 is by truck, it is characterised in that：First cantilever Part is that open auger is buckled.

9. a kind of movable type with buffer unit as claimed in claim 7 is by truck, it is characterised in that：It should be equipped with by truck Two groups of braking mechanisms, are respectively arranged at material feeding vehicle front and back position, and the same side of the rotating bar of two brake structures is mounted on The free end of two cantilever parts, the second cantilever part of two rotating bars is hinged with the both ends of a pull rod respectively.

10. a kind of movable type with buffer unit as described in claim 1 is by truck, it is characterised in that：It is described it is left by Flitch is equipped with three groups of fixed frames, and each group of fixed frame includes vertical beam, horizontal beam, the vertical beam, horizontal beam one end with The lower surface of left charging plate is welded, and the vertical beam, the other end of horizontal beam and truck frame body weld, the upper edge portion of left charging plate Point buckled and to be connect by open auger between truck frame body, the both ends that open auger is buckled respectively with the upper edge part of right charging plate and Truck frame body is hinged, and multiple suspension hooks are welded in the upper surface of the truck frame body crossbeam.