CN214527964U

CN214527964U - Oil circuit structure of forklift gantry

Info

Publication number: CN214527964U
Application number: CN202120778645.3U
Authority: CN
Inventors: 毛烨鑫; 徐旭东; 章明; 周龙钱; 裘斌斌
Original assignee: Hangzhou Forklift Gantry Co ltd
Current assignee: Hangzhou Forklift Gantry Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-10-29
Anticipated expiration: 2031-04-16

Abstract

The utility model relates to a fork truck portal oil circuit structure, it includes the fork frame and is used for the lifting subassembly of lifting fork frame, the fork frame slides and connects on the lifting subassembly, be provided with the observation area that supplies operating personnel to observe on the lifting subassembly, be provided with a plurality of oil pipe on the lifting subassembly, it is a plurality of oil pipe is located the observation area and just is located one side that the lifting subassembly deviates from the fork frame outward. This application has the sight that increases operating personnel in the portal outside, improves the effect of the efficiency of work.

Description

Oil circuit structure of forklift gantry

Technical Field

The application relates to the field of fork trucks, in particular to a fork truck portal oil circuit structure.

Background

The portal is just the main bearing structure of fork truck front end load handling device.

The oil circuit of the forklift gantry on the market is installed and limited in an external mode.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when operating personnel is operating, because oil pipe is external, the sight that will lead to the portal outside is blockked, and the transport of the completion goods that can't be quick smoothly reduces the efficiency of work.

SUMMERY OF THE UTILITY MODEL

In order to increase operating personnel in the sight in the portal outside, improve the efficiency of work, this application provides a fork truck portal oil circuit structure.

The application provides a pair of fork truck portal oil circuit structure adopts following technical scheme:

the utility model provides a fork truck portal oil circuit structure, includes the fork frame and is used for the lifting subassembly of lifting fork frame, the fork frame slides and connects on the lifting subassembly, be provided with the observation area that supplies operating personnel to observe on the lifting subassembly, be provided with a plurality of oil pipe on the lifting subassembly, it is a plurality of oil pipe is located the observation area and just is located one side that the lifting subassembly deviates from the fork frame outside.

Through adopting above-mentioned technical scheme, the lifting subassembly carries out the lifting with the fork frame during use, and operating personnel observes the goods through the observation area, sets up oil pipe outside the observation area and lie in one side that the lifting subassembly deviates from the fork frame, has utilized the lifting subassembly to block the space in operating personnel's the field of vision for oil pipe no longer reduces operating personnel's field of vision space, has improved operating personnel's field of vision space, makes things convenient for operating personnel to observe more, improves the efficiency of work.

Optionally, it is a plurality of oil pipe passes through first connecting piece setting on the lifting subassembly, first connecting piece includes a plurality of gyro wheels of rotating the connection on the lifting subassembly, and is a plurality of the gyro wheel forms and supplies oil pipe to place and rolling space.

Through adopting above-mentioned technical scheme, through placing a plurality of oil pipes on a plurality of gyro wheels, realize when installing a plurality of oil pipes on the lifting subassembly, reduce oil pipe and lifting subassembly's friction, reduced the damaged condition of oil pipe and taken place.

Optionally, be provided with on the lifting subassembly and divide the pipe subassembly, divide the pipe subassembly to include mounting panel and limiting plate, the mounting panel sets up on the lifting subassembly, the limiting plate sets up on the mounting panel, set up a plurality of spacing through-holes that supply the oil pipe to wear to establish on the limiting plate, form the space that supplies the oil pipe to wear to establish between spacing through-hole and the mounting panel.

Through adopting above-mentioned technical scheme, spacing a plurality of oil pipes between spacing through-hole and mounting panel, reduced when oil pipe removes the condition emergence that collides each other even twine together.

Optionally, the roller is provided with a stop plate for limiting the oil pipe on the roller.

Through adopting above-mentioned technical scheme, when installing oil pipe, the baffle plate has reduced the condition emergence that oil pipe deviate from the gyro wheel.

Optionally, the lifting assembly comprises an inner gantry, an outer gantry, a first drive assembly and a second drive assembly, the fork carriage is connected to the inner gantry in a sliding manner, the inner gantry is connected to the outer gantry in a sliding manner through the second drive assembly, the first drive assembly is used for driving the fork carriage to be connected to the inner gantry in a sliding manner, and the inner gantry forms an observation area.

Through adopting above-mentioned technical scheme, first drive assembly drives the fork frame lifting during the use, and portal promotes once more in the drive of second drive assembly, has improved the lifting height of fork frame, makes things convenient for operating personnel to operate.

Optionally, the first driving assembly comprises a first chain wheel, a first chain and a central oil cylinder, the central oil cylinder is arranged on the inner gantry, the first chain wheel is rotatably connected to a piston rod of the central oil cylinder, the first chain wheel bypasses the first chain wheel, one end of the first chain is arranged on a cylinder body of the central oil cylinder, and the other end of the first chain is arranged on the fork frame.

Through adopting above-mentioned technical scheme, when needs lifting fork frame, the central hydro-cylinder extension drives the lifting of first sprocket, and the lifting of fork frame on the first chain of first sprocket drive makes things convenient for operating personnel's operation, has reduced the occupation space of first drive assembly in vertical direction.

Optionally, the second drive assembly includes second sprocket, second chain, lifting cylinder and well portal, well portal slides and connects on outer portal, interior portal slides and connects on well portal, the second sprocket rotates and connects on well portal, the second chain is around the second sprocket, the one end of second chain sets up on inner portal, the second chain other end sets up on outer portal, the cylinder body setting of lifting cylinder is on outer portal, the piston rod setting of lifting cylinder is on well portal.

Through adopting above-mentioned technical scheme, when needs secondary lifting fork frame, the portal lifting in the lifting hydro-cylinder drives for the second sprocket lifting on the well portal drives the second chain lifting, and the portal lifting in the second chain drives realizes making things convenient for operating personnel to operate the secondary promotion of fork frame.

Optionally, a limiting assembly used for limiting the oil pipe is arranged on the central oil cylinder, and the limiting assembly is located on one side, away from the fork frame, of the central oil cylinder.

By adopting the technical scheme, the oil pipe is arranged on the central oil cylinder, and the space of the visual field of the operator is blocked by the central oil cylinder, so that the visual field space of the operator is not reduced by the oil pipe, the operation of the operator is further facilitated, and the working efficiency is improved.

Optionally, spacing subassembly includes vertical board, a plurality of spacing bolt, live-rollers and spacing seat, portal including vertical board sets up, spacing seat passes through spacing bolt setting on vertical board, spacing bolt threaded connection is on spacing seat, spacing bolt's afterbody threaded connection is on vertical board, the live-rollers rotates to be connected in spacing seat, live-rollers, spacing bolt and vertical board form the space that fuel feed pipe passes through.

By adopting the technical scheme, the oil pipe is limited among the limiting seat, the rotating roller, the limiting bolt and the vertical plate, so that the situation that the oil pipes collide with each other and are even wound together when the central oil cylinder moves to enable the oil pipe to move is reduced.

Optionally, a second connecting piece is arranged on a piston rod of the central oil cylinder and comprises a plurality of driving wheels, the driving wheels are arranged on the first chain wheel and are rotatably connected to the piston rod of the central oil cylinder, and the driving wheels form a space for placing and moving the oil supply pipe.

By adopting the technical scheme, the oil pipe is convenient for operators to install on the piston rod of the central oil cylinder, the friction between the oil pipe and the central oil cylinder when the central oil cylinder drives the oil pipe to move is reduced, and the condition that the oil pipe is damaged is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the oil pipe is arranged on the lifting assembly, and the oil pipe is positioned outside the observation area and on one side of the lifting assembly, which is far away from the fork frame, so that the shielding of the sight of an operator is reduced, and the working safety is improved;

2. the oil pipe is arranged on the central oil cylinder through the limiting assembly and is positioned on one side of the central oil cylinder, which is far away from the fork frame, so that the shielding of the sight of an operator is further reduced, and the working safety is improved;

3. the fork frame is lifted for the second time through the lifting assembly, operation of operators is facilitated, and occupied space of the lifting assembly in the vertical direction is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a specific embodiment of the present application.

FIG. 2 is a schematic structural view of an embodiment of the present application showing the structure of the oil line and the second drive assembly.

FIG. 3 is a partial view of FIG. 2 of the present application showing the structure of the lift assembly.

Fig. 4 is a schematic structural diagram of an embodiment of the present application, which is used for showing the structure of the tube branching assembly and the first connecting member.

Fig. 5 is an enlarged view at a in fig. 4 of the present application.

Fig. 6 is an enlarged view at B in fig. 4 of the present application.

Fig. 7 is an enlarged view at C in fig. 4 of the present application.

Reference numerals: 1. a fork carriage; 2. a lifting assembly; 21. an inner gantry; 211. an inner door steel groove; 212. installing a base; 213. a third connecting frame body; 214. an observation area; 22. an outer gantry; 221. a connecting seat; 222. an outer door steel channel; 223. a first connection frame body; 224. a support plate; 23. a first drive assembly; 231. a first sprocket; 232. a first chain; 233. a central oil cylinder; 24. a second drive assembly; 241. a second sprocket; 242. a second chain; 243. lifting the oil cylinder; 244. a middle door frame; 2441. a middle door steel groove; 2442. a second connection frame body; 2443. a first connecting plate; 2444. a horizontal plate; 3. a second connecting member; 31. rotating the base; 32. driving the wheel; 4. a limiting component; 41. a vertical plate; 42. a limit bolt; 43. a rotating roller; 44. a limiting seat; 5. a first connecting member; 51. a roller; 511. a first roller; 512. a second roller; 52. a fixed seat; 53. rotating the shaft bolt; 54. a second connecting plate; 55. a blocking plate; 6. a third connecting plate; 7. a pipe distribution assembly; 71. mounting a plate; 72. a limiting plate; 8. and (4) an oil pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses fork truck portal oil circuit structure. Referring to fig. 1, a forklift mast oil circuit structure includes a fork carriage 1 and a lift assembly 2.

Referring to fig. 1 and 2, the lift assembly 2 includes an inner mast 21, an outer mast 22, a first drive assembly 23, and a second drive assembly 24.

Referring to fig. 2 and 3, the second driving assembly 24 includes a second sprocket 241, a second chain 242, two lift cylinders 243, and a middle mast 244.

Referring to fig. 2 and 3, the outer door frame 22 includes a connecting seat 221, two outer door steel grooves 222 and a first connecting frame 223, wherein the lower ends of the two outer door steel grooves 222 are fixedly connected to the upper surface of the connecting seat 221; the first connecting frame 223 is fixedly connected to the side surfaces of the two outer door steel grooves 222, and the first connecting frame 223 is located above the connecting seat 221.

Referring to fig. 2 and 3, the middle door frame 244 includes two middle door steel grooves 2441 and a second connecting frame 2442, the two middle door steel grooves 2441 correspond to the two outer door steel grooves 222 one by one, the middle door steel grooves 2441 are connected to the outer door steel grooves 222 in a sliding manner along the length direction of the outer door steel grooves 222, the second connecting frame 2442 is fixedly connected to the side surfaces of the two middle door steel grooves 2441, the second connecting frame 2442 is located in the first connecting frame 223, and the second connecting frame 2442 is located above the connecting base 221.

Referring to fig. 2 and 3, the bottom surface of the second connecting frame 2442 is fixedly connected with a first connecting plate 2443 vertically arranged, the bottom surface of the first connecting plate 2443 is fixedly connected with a horizontal plate 2444, two lifting cylinders 243 are vertically arranged, the lower surfaces of the two lifting cylinders 243 are fixedly connected to the upper surface of the connecting seat 221, and the piston rods of the lifting cylinders 243 are fixedly connected to the horizontal plate 2444.

Referring to fig. 2 and 3, the inner door frame 21 includes two inner door steel slots 211, a mounting base 212 and a third connecting frame 213, the two inner door steel slots 211 correspond to the two middle door steel slots 2441 one by one, the inner door steel slots 211 are connected to the middle door steel slots 2441 in a sliding manner along the length direction of the middle door steel slots 2441, the third connecting frame 213 is fixedly connected to the side surfaces of the two inner door steel slots 211, the third connecting frame 213 is located in the second connecting frame 2442, and the third connecting frame 213 is located above the connecting base 221; the third connecting frame 213 and the two inner door steel grooves 211 form an observation area 214; the mounting base 212 is fixedly connected to the two inner door steel grooves 211, and the mounting base 212 is located below the third connecting frame 213.

Referring to fig. 2 and 3, a support plate 224 is fixedly connected to a side wall of the outer door steel groove 222; the second chain wheel 241 is rotatably connected to the supporting plate 224; the second chain 242 is wound over the second sprocket 241, one end of the second chain 242 is fixedly connected to the upper surface of the support plate 224, and the other end of the second chain 242 is fixedly connected to the upper surface of the mounting base 212.

Referring to fig. 4 and 5, the fork carriage 1 is slidably connected to two inner door steel slots 211 along the length direction of the inner door steel slots 211, and the first driving assembly 23 includes a first sprocket 231, a first chain 232, and a center cylinder 233; the cylinder body of the central oil cylinder 233 is fixedly connected to the upper surface of the mounting base 212, and a piston rod of the central oil cylinder 233 is provided with a second connecting piece 3; the second connecting piece 3 comprises a rotating base 31 and two driving wheels 32, the rotating base 31 is fixedly connected to the upper surface of a piston rod of the central oil cylinder 233, the first chain wheel 231 and the two driving wheels 32 are coaxially and fixedly connected, the two driving wheels 32 are respectively positioned at two sides of the first chain wheel 231, and the driving wheels 32 are rotatably connected to the rotating base 31; the first chain 232 is wound around the first chain wheel 231, one end of the first chain 232 is fixedly connected to the cylinder body of the center cylinder 233, and the other end of the first chain 232 is fixedly connected to the fork carriage 1.

Referring to fig. 4 and 6, the central cylinder 233 is provided with a limiting assembly 4, and the limiting assembly 4 includes a vertical plate 41, two limiting bolts 42, a rotating roller 43 and a limiting seat 44; the vertical plate 41 is fixedly connected to the upper surface of the mounting base 212; the stopper seat 44 is fixedly attached to the surface of the vertical plate 41 facing away from the fork carriage 1; the rotating roller 43 is rotatably connected to the limiting seat 44 and is positioned between the limiting seat 44 and the vertical plate 41; both the two limit bolts 42 are in threaded connection with the limit seat 44, the tail parts of the limit bolts 42 are in threaded connection with the vertical plate 41, and the limit seat 44, the rotating roller 43, the limit bolts 42 and the vertical plate 41 form a space for the oil supply pipe 8 to pass through.

Referring to fig. 4 and 7, a first connecting member 5 is disposed on the first connecting plate 2443, the first connecting member 5 includes a plurality of rollers 51 and a fixing seat 52, and the rollers 51 include a plurality of first rollers 511 and second rollers 512; the fixed seat 52 is fixedly connected to the first connecting plate 2443; the first rollers 511 are rotatably connected to the fixed seat 52, and a space for limiting the movement of the oil supply pipe 8 is formed among the first rollers 511; the second roller 512 is coaxially and fixedly connected with the second chain wheel 241; the first connecting plate 2443 is connected with a rotating shaft bolt 53 through a thread, the rotating shaft bolt 53 is slidably arranged on the axes of the second roller 512 and the second chain wheel 241, the rotating shaft bolt 53 is fixedly connected with a second connecting plate 54 which is vertically arranged, the upper surface of the second connecting plate 54 is fixedly connected with a blocking plate 55, and the blocking plate 55 is positioned above the second roller 512.

Referring to fig. 4 and 7, a third connecting plate 6 is disposed between the first connecting frame 223 and the supporting plate 224, the third connecting plate 6 is disposed vertically, an upper end of the third connecting plate 6 is fixedly connected to a bottom surface of the first connecting frame 223, and a lower end of the third connecting plate 6 is fixedly connected to an upper surface of the supporting plate 224.

Referring to fig. 4 and 7, the third connecting plate 6 is provided with a pipe distributing assembly 7, and the pipe distributing assembly 7 includes a mounting plate 71 and a limiting plate 72; the mounting plate 71 is fixedly attached to the surface of the third attachment plate 6 facing away from the fork carriage 1; the limiting plate 72 is fixedly connected to the surface, facing the fork carriage 1, of the mounting plate 71, a limiting through hole through which the oil supply pipe 8 penetrates is formed in the upper surface of the limiting plate 72, and a space through which the oil supply pipe 8 penetrates is formed between the limiting through hole and the mounting plate 71.

The implementation principle of the oil circuit structure of the forklift gantry in the embodiment of the application is as follows: when the operator needs to mount the oil pipe 8 on the lifting assembly 2, the operator passes the oil pipe 8 between the mounting plate 71 and the limiting plate 72, then passes the oil pipe 8 around the plurality of first rollers 511 and the second rollers 512, passes the oil pipe 8 between the limiting seat 44, the rotating roller 43, the limiting bolt 42 and the vertical plate 41, and passes around the two driving wheels 32.

When the fork carriage 1 needs to be lifted for the second time, the operator only needs to extend the two lifting cylinders 243, and the two lifting cylinders 243 lift the fork carriage 1 through the second chain wheel 241, the middle frame 244 and the second chain 242.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fork truck portal oil circuit structure which characterized in that: lifting subassembly (2) including fork frame (1) and be used for lifting fork frame (1), fork frame (1) slides and connects on lifting subassembly (2), be provided with observation area (214) that supply operating personnel to observe on lifting subassembly (2), be provided with a plurality of oil pipe (8) on lifting subassembly (2), it is a plurality of oil pipe (8) are located observation area (214) and are located one side that lifting subassembly (2) deviate from fork frame (1) outward.

2. The oil circuit structure of the forklift mast according to claim 1, wherein: a plurality of oil pipe (8) set up on lifting subassembly (2) through first connecting piece (5), first connecting piece (5) include a plurality of gyro wheels (51) of rotating the connection on lifting subassembly (2), and are a plurality of gyro wheel (51) form and supply oil pipe (8) to place and rolling space.

3. The oil circuit structure of the forklift mast according to claim 2, wherein: be provided with on lifting subassembly (2) and divide pipe assembly (7), divide pipe assembly (7) to include mounting panel (71) and limiting plate (72), mounting panel (71) set up on lifting subassembly (2), limiting plate (72) set up on mounting panel (71), set up the spacing through-hole that a plurality of oil pipes (8) were worn to establish on limiting plate (72), form the space that oil pipes (8) were worn to establish between spacing through-hole and mounting panel (71).

4. The oil circuit structure of the forklift mast according to claim 2, wherein: the roller (51) is provided with a blocking plate (55) used for limiting the oil pipe (8) on the roller (51).

5. The oil circuit structure of the forklift mast according to claim 1, wherein: the lifting assembly (2) comprises an inner gantry (21), an outer gantry (22), a first driving assembly (23) and a second driving assembly (24), the fork carrier (1) is connected to the inner gantry (21) in a sliding mode, the inner gantry (21) is connected to the outer gantry (22) in a sliding mode through the second driving assembly (24), the first driving assembly (23) is used for driving the fork carrier (1) to be connected to the inner gantry (21) in a sliding mode, and the inner gantry (21) forms an observation area (214).

6. The oil circuit structure of the forklift mast according to claim 5, wherein: first drive assembly (23) include first sprocket (231), first chain (232) and center hydro-cylinder (233), portal (21) including center hydro-cylinder (233) set up, first sprocket (231) rotate to be connected on the piston rod of center hydro-cylinder (233), first chain (232) are around first sprocket (231), first chain (232) one end sets up on the cylinder body of center hydro-cylinder (233), first chain (232) other end sets up on fork frame (1).

7. The oil circuit structure of the forklift mast according to claim 5, wherein: the second driving assembly (24) comprises a second chain wheel (241), a second chain (242), a lifting oil cylinder (243) and a middle door frame (244), the middle door frame (244) is connected to the outer door frame (22) in a sliding mode, the inner door frame (21) is connected to the middle door frame (244) in a sliding mode, the second chain wheel (241) is connected to the middle door frame (244) in a rotating mode, the second chain wheel (242) bypasses the second chain wheel (241), one end of the second chain (242) is arranged on the inner door frame (21), the other end of the second chain (242) is arranged on the outer door frame (22), a cylinder body of the lifting oil cylinder (243) is arranged on the outer door frame (22), and a piston rod of the lifting oil cylinder (243) is arranged on the middle door frame (244).

8. The oil circuit structure of the forklift mast according to claim 6, wherein: the central oil cylinder (233) is provided with a limiting assembly (4) used for limiting an oil pipe (8), and the limiting assembly (4) is located on one side, deviating from the fork frame (1), of the central oil cylinder (233).

9. The oil circuit structure of the forklift mast according to claim 8, wherein: spacing subassembly (4) are including vertical board (41), a plurality of spacing bolt (42), live-rollers (43) and spacing seat (44), portal (21) including vertical board (41) set up, spacing seat (44) set up on vertical board (41) through spacing bolt (42), spacing bolt (42) threaded connection is on spacing seat (44), the afterbody threaded connection of spacing bolt (42) is on vertical board (41), live-rollers (43) rotate to be connected in spacing seat (44), live-rollers (43), spacing bolt (42) and vertical board (41) form the space that fuel feeding pipe (8) pass through.

10. The oil circuit structure of the forklift mast according to claim 9, wherein: be provided with second connecting piece (3) on the piston rod of center hydro-cylinder (233), second connecting piece (3) include a plurality of driving wheels (32), driving wheel (32) set up on first sprocket (231) and rotate and connect on the piston rod of center hydro-cylinder (233), driving wheel (32) form and supply oil pipe (8) to place and the space that removes.