CN208150891U - A kind of carrier and its bearing bridge - Google Patents

Abstract

The utility model relates to carrier field, a kind of bearing bridge, the inside of the bearing bridge is equipped with the bearing bore for placing bearing assembly；The upper end accent that bearing bore is constituted on bearing bridge is the cylinder pedestal mouth for positional cylinder lower end；The side wall of the bearing bore when oil cylinder is assembled on cylinder pedestal mouth, closes the cylinder pedestal mouth in closing closed loop.The bearing bridge simplifies structure compared to traditional bearing bridge, and small-sized transport cart reduces vehicle body volume, and attractive appearance improves the performance and operational comfort of product；The installation position of bearing assembly is adjusted to closed by open, and driving bolt is equipped with guiding, and installation is more convenient, assembles bearing space relative closure after upper oil cylinder, and can greatly reduce dust iron filings influences bearing life.

Description

A kind of carrier and its bearing bridge

Technical field

The utility model relates to carrier field more particularly to a kind of carriers and its bearing bridge.

Background technique

Industrial material carrier is typically found in warehouse, factory, shipping yard, and usually in those places, pallet, big Package or cargo, which load, to be needed to be transported to another place from a place.Material carrier is commonly called as tray forklift, usually Including promoting the loading load-bearing fork of package or pallet for transporting, the electric motor for pushing the carrier operation, turning to control Mechanism processed and brake.Existing carrier requires raising load-bearing part, i.e. bearing bridge；Bearing bridge design reasonable is directly determined The performance and quality of car are determined, so to simplify practical bearing bridge particularly important for design.Bearing bridge knot in carrier at present For structure as shown in the Chinese utility model bulletin text of Patent No. " ZL201520362272.6 ", bearing bridge includes upper and lower two Point, upper part passes through bearing assembly Locating driver system for accepting oil cylinder, lower part.But the bearing bridge volume is big, excessively stupid Weight, influences the volume size of small-sized transport cart and the aesthetics of carrier, and in addition repair demolition is compared to more complex；And this holds There are opening on side wall between two parts up and down of load bridge, bearing assembly installation position is open, but used in carrier Plant area or warehouse environment are poor, are easy to enter dust iron filings in bearing assembly and influence bearing life, therefore need to improve.

In addition, the universal wheel fixed form of carrier is mainly limited to mostly by the way of installing from bottom to top at present The volume of universal wheel is too big, needs entire fork truck slinging maintenance when replacing wheel and buffer stopper equal loss's part, very uneasy Entirely.Handling operation vehicle is directly turned on one's side on ground and is replaced by some, and hydraulic oil is caused to overflow, and storage battery collides equal loss.

Summary of the invention

To solve the above-mentioned problems, the first of the utility model is designed to provide a kind of bearing bridge, which compares Structure is simplified in traditional bearing bridge, small-sized transport cart reduces vehicle body volume, and attractive appearance improves performance and the behaviour of product Make comfort level；The installation position of bearing assembly is adjusted to closed by open, and driving bolt is equipped with guiding, installs more square Just, bearing space relative closure after assembly upper oil cylinder, can greatly reduce dust iron filings influences bearing life.The utility model Second is designed to provide a kind of carrier, which solves the substitute mode of current universal wheel from bottom to top, realizes universal Wheel does not need to lift or turn on one's side to replace maintenance universal wheel with being poured on.

In order to achieve the above purpose, the utility model uses technical solution below：

A kind of bearing bridge, it is characterised in that：The inside of the bearing bridge is equipped with the bearing bore for placing bearing assembly；Axis Holding the upper end accent that chamber is constituted on bearing bridge is the cylinder pedestal mouth for positional cylinder lower end；The side wall of the bearing bore In closing closed loop, when oil cylinder is assembled on cylinder pedestal mouth, the cylinder pedestal mouth is closed.

Preferably, the bearing assembly includes the first bearing set gradually from top to bottom, retaining ring and second bearing, gear Circle is for positioning first bearing；The shaft of drive system sequentially passes through at the center of second bearing, retaining ring and first bearing；It is described The roller end of drive system is equipped with internal thread groove, is connected with clamping screw in internal thread groove, and clamping screw is by bearing assembly Locking is equipped with clamping plate between the end and first bearing of clamping screw.

Above-mentioned technical proposal is related to a kind of bearing bridge, and cylinder pedestal mouth is set up directly on above bearing bore, and on the one hand this holds It carries bridge and simplifies structure compared to traditional bearing bridge, small-sized transport cart reduces vehicle body volume, and attractive appearance improves product Performance and operational comfort；On the other hand, the installation position of bearing assembly is adjusted to closed by open, driving bolt installation There is guiding, installation is more convenient, assembles bearing space relative closure after upper oil cylinder, and can greatly reduce dust iron filings influences the bearing longevity Life.

A kind of carrier, including bearing bridge, and it is fixed on the caster bracket on bearing bridge, and be mounted on universal Universal wheel assembly on wheel support；It is characterized in that：A kind of for example above-mentioned bearing bridge of the bearing bridge, caster bracket include connecting Connect the support plate being fixed on caster bracket both ends, and the coaming plate of connection plate supported on both sides；The support plate and coaming plate Between constitute installing port for installing universal wheel assembly, universal wheel assembly is by being put into or removing above installing port.

Preferably, the support plate includes being connected to the longitudinally connected portion of bearing bridge by screw tightening, and for holding Carry and connect the horizontal connection portion of universal wheel assembly.

Preferably, the universal wheel assembly includes flanged plate, and the universal wheel on flanged plate is located in by shaft； The flanged plate is connected with horizontal connection portion by solid component, and universal wheel passes through installing port and is in below caster bracket.

Above-mentioned technical proposal is related to a kind of carrier, which has above-mentioned bearing bridge, and uses the bearing bridge institute The both sides technical effect having.Herein on basis, the caster bracket of the carrier is fixed on bearing bridge, universal Wheel assembly is mounted on caster bracket, and being formed by with caster bracket is mounting means from top to bottom, solves mesh The substitute mode of preceding universal wheel from bottom to top, realize universal wheel do not need lift or turn on one's side be poured on come replace maintenance it is universal Wheel.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of full-automatic carrier.

Fig. 2 is vehicle frame in the structural schematic diagram for going radiator grille state.

Fig. 3 is vehicle frame in the structural schematic diagram for having radiator grille state.

Fig. 4 is electric appliance arrangement schematic diagram on vehicle frame.

Fig. 5 is the structural schematic diagram of electrical bracket assembly.

Fig. 6 is the assembling schematic diagram of bearing bridge and drive system and oil cylinder.

Fig. 7 is the assembling schematic diagram of bearing bridge and caster bracket and universal wheel assembly.

Fig. 8 is the assembling schematic diagram of caster bracket and universal wheel assembly.

Fig. 9 is the structural schematic diagram of caster bracket.

Figure 10 is the handle connecting structure schematic diagram of electrocar.

Figure 11 is the structural schematic diagram of handle joint device.

Figure 12 is the structural schematic diagram of elastic push rod component.

Specific embodiment

With reference to the accompanying drawing, the preferred embodiment of the utility model is described in further detail.

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.Term is " detachable Connection " be include such as it is any type of snap connection or solid component connect connection type, it is understood that in the not company of destruction The separation of the two can be achieved on the basis of binding structure.

A kind of full-automatic carrier as shown in Fig. 1~12, including vehicle frame 1, and the handle joint being arranged on vehicle frame 1 Device 2 and bearing bridge 3, and the caster bracket 4 being fixed on bearing bridge 3, and be mounted on caster bracket 4 ten thousand To wheel assembly 5, and the electrical bracket assembly 6 being arranged in vehicle frame 1.The vehicle frame 1 includes frame body 11, and is connected to Pallet fork 12 on 11 front end face of frame body.

The frame body 11 includes vehicle frame shell 13, radiator grille 14 and jacking block 15.The jacking block 15 is fastened on vehicle Inner cavity of the opening towards 1 front side of vehicle frame is equipped in the back end surface of frame shell 13, in vehicle frame shell 13, radiator grille 14 detachably connects It connects in the front side of vehicle frame shell 13, and covers lumen openings.Using preceding open inner cavity, the back end surface of vehicle frame shell 13 can Do moulding, radiator grille 14 is only used for covering the lumen openings, radiator grille 14 and cargo contacts when use.Which obviate such as existing skills The case where moulding face is damaged with cargo contacts in art, 1 external form of vehicle frame are more graceful.Electric elements one after radiator grille 14 is opened Mesh is clear, and disassembly, replacement, the maintenance of electric elements are more convenient.

Further, it is equipped with partition 16 inside the vehicle frame shell 13 and the inner cavity is divided into battery cavities 13a and electrical chamber 13b, partition 16 are longitudinally disposed partition 16, and inner cavity is divided into left and right two chambers by partition 16.It is logical that partition 16 is equipped with first Hole 131 is equipped with the second through-hole 132 for being connected to electrical chamber for being connected to battery cavities 13a and electrical chamber 13b, vehicle frame shell 13 13b and 15 inner cavity of jacking block.The bottom of chamber of the battery cavities 13a is equipped with storage battery support plate 17, the vehicle frame shell 13 at the top of battery cavities 13a It is equipped with plug-and-pull port 18.It is equipped with battery 19 in battery cavities 13a, battery is the battery body of extraction type, and battery body can be from inserting It pulls out mouth insertion or detaches battery cavities 13a.The storage battery support plate 17 is equipped with male connector seat, and battery body lower end is equipped with female seat, Female seat is connected with male connector seat grafting；The wherein battery mounting means of plug-in, reference can be made to the invention that applicant had previously submitted is special Sharp disclosure, application No. is " 201610896611.8 ".Partition 16 is equipped in the program, inside vehicle frame shell 13 will be described interior Chamber is divided into battery cavities 13a and electrical chamber 13b, is classified as battery cavities 13a and electrical chamber 13b and is respectively used to installation battery and electric appliance Element.Further, partition 16 is equipped with first through hole for being connected to battery cavities 13a and electrical chamber 13b, and first through hole is conduct Route cable hole between battery and electric elements.Vehicle frame shell 13 is equipped with the second through-hole for being connected to electrical chamber 13b and top 15 inner cavity of block, the second through-hole are as the oil circuit cable hole between hydraulic station and oil pump.Above-mentioned vehicle frame 1 is conducive to battery and electricity Device element is mounted on the different zones being relatively isolated, and makes the setting of 1 inner components of vehicle frame rationally, its arrangement of specification.

The bottom of chamber of the electrical chamber 13b is equipped with hydraulic station support plate 10, and electrical bracket assembly 6, electricity are equipped in electrical chamber 13b Gas bracket assembly 6 includes substrate 61, and the electrical component being arranged on substrate 61.The electrical component include controller 62, Fuse 63, emergency stop switch 64, hydraulic station 65 and loudspeaker 66.The useful electric elements of car are all concentrated on one piece of structure by the program At electric support assembly, the modularization of electric elements is realized.And 61 detachable connection of substrate of electric support assembly is in vehicle On frame 1.When substrate 61 disassembles, the electric elements on substrate 61 can also be maintained or replaced, so as to reality The fast quick-detach of existing electrical appliance part and replacement solve the problems, such as that the electrical maintenance replacement of conventional electrocar is complicated very well, But also overall dimensions of a car is become smaller.

In above scheme, vehicle frame shell 13 and jacking block 15 are integrated punching moldings, and vehicle frame shell 13 includes panel part 131, And along the coaming plate portion 132 of 131 periphery of panel part setting.The partition 16 connect with coaming plate portion 132 and panel part 131 solid respectively It is fixed, for promoting 13 intensity of vehicle frame shell.In the technical solution, frame body 11 constitutes vehicle using the molding mode of integrated punching Frame shell 13 and jacking block 15, and jacking block 15 is fastened in the back end surface of vehicle frame shell 13, in order to guarantee frame body Partition 16 is arranged in 11 integral strength in the inner cavity of vehicle frame shell 13.The technical solution improves frame body 11 on the whole Support strength, simplify the manufacturing procedure of frame body 11, promote processing efficiency.

The inside of the bearing bridge 3 is equipped with the bearing bore 31 for placing bearing assembly.The structure on bearing bridge 3 of bearing bore 31 At upper end accent be cylinder pedestal mouth 32 for positional cylinder lower end.The side wall of the bearing bore 31 is in closing closed loop, When oil cylinder is assembled on cylinder pedestal mouth 32, the cylinder pedestal mouth 32 is closed.The bearing assembly includes from top to bottom successively First bearing 33, retaining ring 34 and the second bearing 35 of setting, retaining ring 34 is for positioning first bearing 33.The shaft of drive system 8 At the center for sequentially passing through second bearing 35, retaining ring 34 and first bearing 33.The roller end of the drive system 8 is equipped with interior Thread groove is connected with clamping screw 36 in internal thread groove, and clamping screw 36 locks bearing assembly, the end of clamping screw 36 with Clamping plate 37 is equipped between first bearing 33.As shown in fig. 6,3 assembly step of bearing bridge is clamping screw 36, clamping plate dress It prepares that be put into 3 inner cavity of bearing bridge spare, then will be limited after deep groove ball bearing (i.e. first bearing 33) assembly with retaining ring 34, in addition Tapered roller bearing (i.e. second bearing 35) and drive system 8 cooperate after being pre-installed with bearing bridge 3 before.Constantly tightening During clamping screw 36, drive system 8 is slowly pressed into bearing bridge 3.Until assembly is completed.Finally assemble oil cylinder；Vehicle After having assembled.In the bearing bridge 3 that the carrier has, cylinder pedestal mouth 32 is set up directly on 31 top of bearing bore, on the one hand should Bearing bridge 3 simplifies structure compared to traditional bearing bridge 3, and small-sized transport cart reduces vehicle body volume, and attractive appearance improves production The performance and operational comfort of product.On the other hand, the installation position of bearing assembly is adjusted to closed by open, clamping screw 36 are equipped with guiding, and installation is more convenient, assembles bearing space relative closure after upper oil cylinder, can greatly reduce the influence of dust iron filings Bearing life.

Further, the caster bracket 4 includes the support plate 41 being fastened on 4 both ends of caster bracket, And the coaming plate 42 of connection plate 41 supported on both sides.It constitutes between the support plate 41 and coaming plate 42 for installing universal wheel assembly 5 Installing port 43, universal wheel assembly 5 is by being put into or removing above installing port 43.The support plate 41 includes being connected by screw tightening In the longitudinally connected portion 44 of bearing bridge 3, and the horizontal connection portion 45 for carrying and connecting universal wheel assembly 5.It is described universal Wheel assembly 5 includes flanged plate 51, and the universal wheel 52 on flanged plate 51 is located in by shaft.The flanged plate 51 and level Interconnecting piece 45 is connected by solid component, and universal wheel passes through installing port 43 and is in 4 lower section of caster bracket.The carrier it is universal Wheel support 4 is fixed on bearing bridge 3, and universal wheel assembly 5 is mounted on caster bracket 4, and with 4 shapes of caster bracket At be mounting means from top to bottom, solve the substitute mode of current universal wheel from bottom to top, realize that universal wheel does not need to hang Dress or rollover replace maintenance universal wheel with being poured on.

The handle joint device 2, including socket joint 21, and be hinged by joint shaft 211 and the socket joint 21 Handle tube assembly.The socket joint 21 is equipped with elastic push rod component, the output end and handle tube assembly of elastic push rod component Contact offsets.When handle tube assembly is swung centered on joint shaft 211, the output quantity of elastic push rod component makes adaptability tune Section is so that elastic push rod component acts on handle tube assembly always.It is additionally provided in the socket joint 21 for locking elastic mandril group The locking structure of part output quantity.The locking structure is the pin hole for being provided with the outgoing route two sides of elastic push rod component.It uses When, pin hole is inserted at lock pin both ends, and strut rail is in the outgoing route of elastic push rod component.Locking structure can of course be other For limiting any structure of the output quantity of elastic push rod component.When elastic push rod component is in lockup state, elastic push rod group Part can be released with handle tube component touch relationship.The handle joint device 2 replaces traditional gas bullet using elastic push rod component Spring component, output end and the handle tube component touch of elastic push rod component offset.In use, elastic push rod component is always Act on handle tube assembly.On this basis, it is provided with locking structure in the program and is used for locking elastic push rod component output quantity, When locking elastic push rod component by locking structure, joint shaft 211 can be directly removed, and makes handle tube assembly and joint Seat 21 separates, and accomplishes directly quick disassembly installation, dismounting and maintenance are more convenient.

The handle tube assembly includes that the handle of handle tube 23 and detachable connection on 23 lower end of handle tube closes Section 24.The output end of the elastic push rod component is contacted with the handle joint 24 of 23 component of handle tube and is offseted.The elastic push rod Component is fixed in socket joint 21, and the output extreme direction of elastic push rod component is fixed.The handle joint 24 is equipped with and elasticity The roll wheel assembly that the output end of push rod component is in rolling contact.The roll wheel assembly includes the roller shaft being located in handle joint 24 25, and the idler wheel 26 being set on roller shaft 25.The output end phase cut-grafting of the rolling surface of the idler wheel and elastic push rod component Touching.The elastic push rod component includes the guide post 27 being fixed in socket joint 21, and the spring inside guide post 27 28, and the mandril 29 being set in guide post 27.The lower end of the spring 28 offsets with 27 lower end surface of guide post, spring 28 Upper end is that output end offsets with mandril 29.In the technical solution, handle joint 24 is connected on 23 lower end of handle tube, and elastic The output end of 29 component of mandril offsets with handle joint 24, avoids the upper end peace of 28 component of gas spring in conventional solution Technical solution in handle tube 23, so as to effectively prevent the shadow in gas spring 28 and handle tube 23 between harness It rings, increases vehicle service performance and security performance, with 28 knot of gas spring of compact and flexible 28 structure of spring replacement high failure rate Structure, extends the service life for carrying cart handle, and operability is more comfortable above.

The socket joint 21 is equipped with the positive stop end 20 of the amplitude of fluctuation of limitation handle joint 24, consolidates on the end face of positive stop end Surely there is buffer stopper 30.In the technical solution, the amplitude of fluctuation that positive stop end directly limits handle joint 24 is set in socket joint 21, Simplify structure, handle position limiting structure is compact, small volume.Further, setting buffer stopper is conducive to reduce equipped generation Loss and noise.

Finally it should be noted that：The foregoing is merely the preferred embodiments of the utility model, are not limited to this reality With novel, although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, should all It is included within the scope of protection of this utility model.

Claims (5)

1. a kind of bearing bridge, it is characterised in that：The inside of the bearing bridge is equipped with the bearing bore for placing bearing assembly；Bearing The upper end accent that chamber is constituted on bearing bridge is the cylinder pedestal mouth for positional cylinder lower end；The side wall of the bearing bore is in Closed loop is closed, when oil cylinder is assembled on cylinder pedestal mouth, closes the cylinder pedestal mouth.

2. a kind of bearing bridge according to claim 1, it is characterised in that：The bearing assembly includes successively setting from top to bottom First bearing, retaining ring and the second bearing set, retaining ring is for positioning first bearing；The shaft of drive system sequentially passes through the second axis It holds, at the center of retaining ring and first bearing；The roller end of the drive system is equipped with internal thread groove, connects in internal thread groove There is clamping screw, clamping screw locks bearing assembly, and clamping plate is equipped between the end and first bearing of clamping screw.

3. a kind of carrier, including bearing bridge, and it is fixed on the caster bracket on bearing bridge, and be mounted on universal wheel Universal wheel assembly on bracket；It is characterized in that：Bearing bridge a kind of bearing bridge as stated in claim 1 or 2, it is universal Wheel support includes the support plate being fastened on caster bracket both ends, and the coaming plate of connection plate supported on both sides；It is described The installing port for installing universal wheel assembly is constituted between support plate and coaming plate, universal wheel assembly is by being put into or taking above installing port Under.

4. a kind of carrier according to claim 3, it is characterised in that：The support plate includes being connected to by screw tightening The longitudinally connected portion of bearing bridge, and the horizontal connection portion for carrying and connecting universal wheel assembly.

5. a kind of carrier according to claim 4, it is characterised in that：The universal wheel assembly includes flanged plate, and The universal wheel being located in by shaft on flanged plate；The flanged plate is connected with horizontal connection portion by solid component, universal wheel It is in below caster bracket across installing port.