CN208586019U - A kind of fork truck crane - Google Patents

Abstract

The utility model discloses a kind of fork truck cranes, including pedestal, the both ends of the pedestal are provided with column, sliding rail is provided on the inner wall of the column, the upper end of the sliding rail is provided with crossbeam, and the both ends of crossbeam are fixedly connected with the inner wall of column respectively, buffer layer is provided with above the pedestal, the upper surface of the pedestal is provided with fixing seat, top cover is provided with right above the fixing seat, the fixing seat is fixedly connected by spring with top cover, the lower surface of the top cover is provided with mandril, and the inside of spring is arranged in mandril, the top cover is fixedly connected by bolt with buffer layer, gear shelf are provided with above the buffer layer, sliding block is provided on the outer wall of the sliding rail, the gear shelf connect by the way that connector and sliding block are fixed.The utility model can make the fork parts of fork truck bring the effect of lifting by the elevating mechanism of setting, and structure is simple, operate convenient for user.

Description

A kind of fork truck crane

Technical field

The utility model relates to crane technical field, specially a kind of fork truck crane.

Background technique

Fork truck is industrial transportation vehicle, refer to pallet cargo is loaded and unloaded, stacking and short distance transportation operation Various wheeled transport vehicles, fork truck are widely used in harbour, station, airport, goods yard, factory floor, warehouse, Transfer center and match Center etc. is sent, handling, the transport operation of pallet cargo are carried out in cabin, compartment and container, is palletized transport, container fortune Essential equipment in defeated drives usually using oil-burning machine or battery, when fork truck by cargo transport to destination when, need Cargo is stacked, at this moment needs to stack freight lifting to specified altitude assignment, and to cargo using to crane.Tradition The most fork truck crane of fork truck crane mainly by pallet fork, fork carriage, outer mast, inner upright mounting, sprocket wheel, chain, raising The composition such as oil cylinder, dump ram, this crane structure is excessively complicated, so that the cost for producing this fork truck crane is big It is big to improve, cause fork truck crane can not universalness the problem of using.

But current many industrial carryings are still transported goods using man-power fork-lift truck, so that whole working efficiency is big It is big to reduce, it is unfavorable for industrialized development.

Utility model content

The purpose of this utility model is to provide a kind of fork truck cranes, to solve knot mentioned above in the background art Structure is excessively complicated, and cost is excessively high, is unfavorable for fork truck lifting universal the problem of using.

To achieve the above object, the utility model provides the following technical solutions: a kind of fork truck crane, including pedestal, The both ends of the pedestal are provided with column, and sliding rail is provided on the inner wall of the column, and the upper end of the sliding rail is provided with cross Beam, and the both ends of crossbeam are fixedly connected with the inner wall of column respectively, and buffer layer is provided with above the pedestal, the pedestal Upper surface is provided with fixing seat, and top cover is provided with right above the fixing seat, and the fixing seat is fixed by spring and top cover Connection, the lower surface of the top cover is provided with mandril, and the inside of spring is arranged in mandril, and the top cover passes through bolt and damping Layer is fixedly connected, and gear shelf are provided with above the buffer layer, sliding block, the gear shelf are provided on the outer wall of the sliding rail It is fixedly connected with a slide block by connector, and keeps off shelf and be slidably connected by sliding block sliding rail, set on the front end face of the gear shelf It is equipped with fork carriage, top plate is provided on the rear end face of the gear shelf, fixing piece is provided on the top plate and crossbeam, it is described Fixing piece on top plate is fixedly connected with the fixing piece on crossbeam by chain, and the upper surface of the pedestal is provided with elevator Structure, and the top of elevating mechanism and top plate are welded to connect.

Preferably, the bottom of the elevating mechanism is provided with hydraulic cylinder.

Preferably, the upper surface of the hydraulic cylinder is provided with first piston, is provided with first piston on the first piston Bar.

Preferably, the First piston bar is internally provided with second piston, and the upper surface of the second piston is provided with Second piston bar.

Preferably, limited block is provided on the column outer wall at the pedestal both ends, and limited block and column are welded to connect.

Preferably, the side of the hydraulic cylinder is provided with inlet valve, and inlet valve runs through the outer wall of hydraulic cylinder and extends to The inside of hydraulic cylinder.

Preferably, the side of the First piston bar is provided with exhaust valve, and exhaust valve through First piston bar and extends To the inside of First piston bar.

Preferably, the vertical center line of the elevating mechanism is overlapped with the vertical center line of top plate.

Preferably, the mandril is between fixing seat and top cover, and mandril is not contacted with fixing seat.

Preferably, the front end face of the fork carriage is provided with pallet fork, and pallet fork and fork carriage are welded to connect.

Compared with prior art, the utility model has the beneficial effects that

1, the utility model can drive the rise or landing of pallet fork by the elevating mechanism being arranged in base upper surface, from And the rise or landing of cargo are driven, the top plate on the top and gear shelf rear end face of elevating mechanism is welded to connect, elevating mechanism The hydraulic cylinder of bottom provides power for the ejection or contraction of First piston bar and second piston bar, when second piston bar jacks up, Drive gear shelf in the sliding rail sliding on the inside of column so that the cargo on pallet fork is transported to specified altitude assignment, and to cargo into Row is stacked, and compared to more traditional fork truck crane, reduces complicated lifting structure, to reduce being produced into for fork truck crane This, allows fork truck crane is widely available to meet the tendency of during industrial transport.

2, the effect of damping can be brought to pedestal by the buffer layer being arranged in base upper surface, the inside of buffer layer is set It is equipped with spring, when completing the stacking of eminence cargo, hydraulic cylinder drives elevating mechanism to shrink, so that pallet fork is bottomed out, The work of convenient lifting cargo next time, when pallet fork, fork carriage and gear shelf bottom out, buffer layer can mitigate goods To the pressure of pedestal when fork, fork carriage and gear shelf fall, the spring inside buffer layer generates deformation retract, spring after by pressure Pallet fork, fork carriage when deformation retract and keep off between shelf and pedestal to separate, so that the impact force to ease off the pressure to pedestal, complete The work of pairs of pedestal damping.

3, the effect of gear shelf lifting can be assisted by the sliding rail being arranged on the inside of column, elevating mechanism drives gear shelf Lifting, the rear end face for keeping off shelf are fixedly connected with a slide block by connector, and when keeping off shelf lifting, sliding block just slides on the slide rail Effect, reduces the resistance in lifting process so that lifting process is more smooth, the length of sliding rail be equal to crossbeam to pedestal away from It is sliding rail limit length from, crossbeam and pedestal, column slides the effect of guiding that provides for sliding block on the slide rail, on column outer wall Limited block be the sliding of sliding block on the slide rail define specified height, avoid rise it is excessively high and make sliding block disengaging sliding rail The problem of, so that the entire lifting process of crane is more stable.

4, can play the role of protecting spring by the mandril being arranged in spring inner, one end and the mandril of mandril are fixed Connection, the other end of mandril are not contacted with fixing seat, and mandril can play guiding role for the stress and deformation of spring, when sliding block drops When to minimum point, pallet fork, fork carriage and gear shelf can generate pressure to buffer layer, and top cover receive pressure and move towards fixing seat, So that spring generates deformation, after mandril is under pressure, the other end of mandril is contacted with fixing seat, provides guiding for the deformation of spring Track, thus the degree of limited spring deformation, and then protect spring, spring avoided to lead to spring because the pressure being subject to is excessive Damage.

Detailed description of the invention

Fig. 1 is the overall structure side view of the utility model；

Fig. 2 is the part A structure enlargement diagram of the utility model；

Fig. 3 is the overall structure main view of the utility model；

Fig. 4 is the overall structure rearview of the utility model；

Fig. 5 is the elevating mechanism schematic diagram of internal structure of the utility model.

In figure: 1, pedestal；2, column；3, sliding block；4, connector；5, shelf are kept off；6, top plate；7, limited block；8, fork carriage； 9, pallet fork；10, buffer layer；11, fixing seat；12, mandril；13, spring；14, top cover；15, bolt；16, sliding rail；17, chain； 18, crossbeam；19, fixing piece；20, elevating mechanism；201, inlet valve；202, hydraulic cylinder；203, first piston；204, first is living Stopper rod；205, second piston；206, exhaust valve；207, second piston bar.

Specific embodiment

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.

Fig. 1-5 is please referred to, a kind of embodiment provided by the utility model: a kind of fork truck crane, including pedestal 1, bottom Seat 1 plays the role of support post 2, and the both ends of pedestal 1 are provided with column 2, and column 2 can be played for the sliding of sliding block 3 and be led To effect, sliding rail 16 is provided on the inner wall of column 2, sliding rail 16 can provide specific movable rail for the sliding of sliding block 3, sliding The upper end of rail 16 is provided with crossbeam 18, and the distance between crossbeam 18 and pedestal 1 determine the length of sliding rail 16, and the two of crossbeam 18 End is fixedly connected with the inner wall of column 2 respectively, and the top of pedestal 1 is provided with buffer layer 10, and buffer layer 10 can work as pallet fork 9, goods Crotch 8 and gear shelf 5 are when dropping back to minimum point, mitigate pallet fork 9, fork carriage 8 and gear shelf 5 to the impact force of pedestal 1, pedestal 1 Upper surface is provided with fixing seat 11, and fixing seat 11 plays the role of 13 bottom of fixed spring, and the surface of fixing seat 11 is provided with Top cover 14, top cover 14 play the role of 13 top of fixed spring, and fixing seat 11 is fixedly connected by spring 13 with top cover 14, top cover 14 lower surface is provided with mandril 12, and mandril 12 can play guiding role for the stress and deformation of spring 13, and mandril 12 is arranged In the inside of spring 13, the degree of 12 limited spring of mandril, 13 deformation, and then spring 13 is protected, avoid spring 13 because of the pressure that is subject to Power is excessive and leads to the damage of spring 13, and top cover 14 is fixedly connected by bolt 15 with buffer layer 10, is connected and is pushed up by bolt 15 When lid 14 and buffer layer 10 can make buffer layer 10 be under pressure, by pressure conduction to spring 13, the top of buffer layer 10 It is provided with gear shelf 5, gear shelf 5 can avoid the problem that cargo is pounded to fork truck from falling during cargo is gone up and down, sliding Sliding block 3 is provided on the outer wall of rail 16, gear shelf 5 are fixedly connected by connector 4 with sliding block 3, and connector 4 plays connection gear goods The effect of frame 5 and sliding block 3, and keep off shelf 5 and be slidably connected by sliding block 3 with sliding rail 16, it is arranged on the front end face of gear shelf 5 available in stock Crotch 8, fork carriage 8 play the role of fixed pallet fork 9, and the cargo that pallet fork 9 is consolidated forks, and keep off the rear end face of shelf 5 On be provided with top plate 6, top plate 6 is that the lifting gear shelf 5 of elevating mechanism 20 provide the medium of stress, on top plate 6 and crossbeam 18 It is provided with fixing piece 19, fixing piece 19 plays the role of fixed 17 both ends of chain, on the fixing piece 19 on top plate 6 and crossbeam 18 Fixing piece 19 is fixedly connected by chain 17, and chain 17 can play the role of connection gear shelf 5 and crossbeam 18, plays stable gear The effect of 5 lifting work of shelf, the upper surface of pedestal 1 are provided with elevating mechanism 20, and elevating mechanism 20 provides dynamic for lifting cargo Power, and the top of elevating mechanism 20 and top plate 6 are welded to connect, elevating mechanism 20 drives top plate 6 to go up and down, thus with electrical forklift goods The elevating movement of fork 9, allows to for cargo being deposited into specified altitude assignment.

Further, the bottom of elevating mechanism 20 is provided with hydraulic cylinder 202, and hydraulic cylinder 202 can mention for the lifting of lifting 20 For power, hydraulic cylinder 202 is the hydraulic actuator that hydraulic energy is changed into mechanical energy, does straight reciprocating motion.Hydraulic cylinder 202 structures are simple, reliable operation, when realizing reciprocating motion, can remove deceleration device from hydraulic cylinder 202, and be not driven Gap, movement is steady, so that the lifting work of crane is more steady.

Further, the upper surface of hydraulic cylinder 202 is provided with first piston 203, and is provided on the first piston 203 One piston rod 204, hydraulic cylinder 202 drive first piston 203 rise or landing, thus drive First piston bar 204 rise or Landing, and then complete the work of rise or the landing of crane.

Further, the First piston bar 204 is internally provided with second piston 205, the upper table of the second piston 205 Face is provided with second piston bar 207.When First piston bar 204 rises or lands, the rise or landing of second piston 205 are driven, To drive the rise or landing of second piston bar 207, the top of second piston bar 207 and top plate 6 are welded to connect, when the second work When stopper rod 207 rises or lands, the rise or landing of cargo can be driven.

Further, limited block 7 is provided on 2 outer wall of column at 1 both ends of pedestal, and limited block 7 and the welding of column 2 connect It connects, limited block 7 can limit 3 sliding distance of sliding block, and when elevating mechanism 20 drives pallet fork 9 to go up and down, sliding block 3 exists with lifting It is slided on sliding rail 16, when sliding block 3 is moved to top, is limited the blocking of block 7, so that pallet fork 9 can not be further continued for rising, limited block 7 can play the role of limit, and anti-limited slip block 3 is detached from sliding rail 16.

Further, the side of hydraulic cylinder 202 is provided with inlet valve 201, and inlet valve 201 runs through the outer wall of hydraulic cylinder 202 And the inside of hydraulic cylinder 202 is extended to, the inlet valve 201 of the side setting of hydraulic cylinder 202 can admit air into hydraulic cylinder 202 In, first piston 204 and second piston 205 in hydraulic cylinder 202 generate power by compressed air, to drive elevator Structure 20, so that pallet fork 9 can be with elevating movement.

Further, the side of First piston bar 204 is provided with exhaust valve 206, and exhaust valve 206 runs through First piston bar 204 and the inside of First piston bar 204 is extended to, the exhaust valve 206 of 204 side of First piston bar setting, which can be discharged, to be compressed Air compressed so that inlet valve 201 can suck new air, pass through setting for inlet valve 201 and exhaust valve 206 It sets, can make air can be with circulation, to stablize the work of elevating mechanism 20.

Further, the vertical center line of elevating mechanism 20 is overlapped with the vertical center line of top plate 6, and the second of elevating mechanism 20 The top of piston 205 and top plate 6 are welded to connect, and when hydraulic cylinder 202 drives 205 elevating movement of second piston, will drive top plate 6 Lifting, to drive 9 elevating movement of pallet fork, the vertical center line of elevating mechanism 20 is overlapped with the vertical center line of top plate 6, can be with So that the power that elevating mechanism 20 applies top plate 6 avoids leading to pallet fork because of discontinuity and on the top plate of distribution 6 The problem of 9 inclination.

Further, mandril 12 is between fixing seat 11 and top cover 14, and mandril 12 is not contacted with fixing seat 11, mandril 12 Guiding role can be played for the stress and deformation of spring 13, when sliding block 3 bottoms out, pallet fork 9, fork carriage 8 and gear shelf 5 can generate pressure to buffer layer 10, and top cover 14 receives pressure and moves towards fixing seat 11, so that spring 13 generates deformation, mandril After 12 are under pressure, the other end of mandril 12 is contacted with fixing seat 11, provides the track of guiding for the deformation of spring 13, thus The degree of 13 deformation of limited spring, and then spring 13 is protected, avoid spring 13 from leading to spring 13 because the pressure being subject to is excessive Damage.

Further, the front end face of fork carriage 8 is provided with pallet fork 9, and pallet fork 9 and fork carriage 8 are welded to connect, and pallet fork 9 plays The effect for forking cargo, facilitates the work of forklift transport cargo, pallet fork 9 and the welded connecting of fork carriage 8 can make pallet fork 9 with Connection between fork carriage 8 is more firm, avoids because cargo is overweight to cause pallet fork 9 to fall off from fork carriage 8 the problem of.

Working principle: in use, crane is installed on fork truck, storehouse plate is put in the upper surface of pallet fork 9, utilizes pallet fork 9 fork cargo, and on the neat storehouse plate put on 9 upper surface of pallet fork, and the inlet valve 201 of 202 side of hydraulic cylinder sucks Air, 203 compressed air of first piston generate power, First piston bar 204 are jacked up, the exhaust of 204 side of First piston bar Compressed air is discharged in door 206, drives second piston 205 to rise when First piston bar 204 jacks up, to eject second piston Bar 207, second piston bar 207 jack up top plate 6, so that gear shelf 5 move upwards, keep off the sliding block 3 on shelf 5 in column 2 The activity upwards of the sliding rail 16 of side, so that the cargo on pallet fork 9 is driven to rise, it, will be on pallet fork 9 when rising to the height of needs Cargo unloads, and after cargo is deposited into specified height, hydraulic cylinder 202 drives elevating mechanism 20 to shrink, so that pallet fork 9 be dropped to most Low spot, the work of convenient lifting cargo next time, when pallet fork 9, fork carriage 8 and gear shelf 5 bottom out, buffer layer 10 Mitigate pressure when pallet fork 9, fork carriage 8 and gear shelf 5 fall to pedestal 1, completes fork truck crane and go up and down transport cargo Work.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (10)

1. a kind of fork truck crane, including pedestal (1), it is characterised in that: the both ends of the pedestal (1) are provided with column (2), it is provided with sliding rail (16) on the inner wall of the column (2), the upper end of the sliding rail (16) is provided with crossbeam (18), and crossbeam (18) both ends are fixedly connected with the inner wall of column (2) respectively, are provided with buffer layer (10) above the pedestal (1), described The upper surface of pedestal (1) is provided with fixing seat (11), is provided with top cover (14), the fixation right above the fixing seat (11) Seat (11) is fixedly connected by spring (13) with top cover (14), and the lower surface of the top cover (14) is provided with mandril (12), and is pushed up In the inside of spring (13), the top cover (14) is fixedly connected by bolt (15) with buffer layer (10), described for bar (12) setting It is provided with gear shelf (5) above buffer layer (10), is provided with sliding block (3) on the outer wall of the sliding rail (16), the gear shelf (5) it is fixedly connected by connector (4) with sliding block (3), and keeps off shelf (5) and be slidably connected by sliding block (3) with sliding rail (16), institute It states and is provided with fork carriage (8) on the front end face of gear shelf (5), be provided with top plate (6), institute on the rear end face of gear shelf (5) It states and is provided with fixing piece (19) on top plate (6) and crossbeam (18), on the fixing piece (19) on the top plate (6) and crossbeam (18) Fixing piece (19) be fixedly connected by chain (17), the upper surface of the pedestal (1) is provided with elevating mechanism (20), and is gone up and down The top and top plate (6) of mechanism (20) are welded to connect.

2. a kind of fork truck crane according to claim 1, it is characterised in that: the bottom of the elevating mechanism (20) is set It is equipped with hydraulic cylinder (202).

3. a kind of fork truck crane according to claim 2, it is characterised in that: the upper surface of the hydraulic cylinder (202) It is provided with first piston (203), is provided with First piston bar (204) on the first piston (203).

4. a kind of fork truck crane according to claim 3, it is characterised in that: the First piston bar (204) it is interior Portion is provided with second piston (205), and the upper surface of the second piston (205) is provided with second piston bar (207).

5. a kind of fork truck crane according to claim 1, it is characterised in that: the column (2) at pedestal (1) both ends It is provided on outer wall limited block (7), and limited block (7) and column (2) are welded to connect.

6. a kind of fork truck crane according to claim 2, it is characterised in that: the side of the hydraulic cylinder (202) is set It is equipped with inlet valve (201), and inlet valve (201) runs through the outer wall of hydraulic cylinder (202) and extends to the inside of hydraulic cylinder (202).

7. a kind of fork truck crane according to claim 3, it is characterised in that: the one of the First piston bar (204) Side is provided with exhaust valve (206), and exhaust valve (206) through First piston bar (204) and extends to First piston bar (204) It is internal.

8. a kind of fork truck crane according to claim 1, it is characterised in that: the elevating mechanism (20) it is vertical in Heart line is overlapped with the vertical center line of top plate (6).

9. a kind of fork truck crane according to claim 1, it is characterised in that: the mandril (12) is located at fixing seat (11) between top cover (14), and mandril (12) is not contacted with fixing seat (11).

10. a kind of fork truck crane according to claim 1, it is characterised in that: the front end face of the fork carriage (8) is set It is equipped with pallet fork (9), and pallet fork (9) and fork carriage (8) are welded to connect.