CN111302272A

CN111302272A - Fork truck davit

Info

Publication number: CN111302272A
Application number: CN201911122230.4A
Authority: CN
Inventors: 陈冲潮
Original assignee: Shanghai Shidiwen Electromechanical Technology Co ltd
Current assignee: Shanghai Shidiwen Electromechanical Technology Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-06-19

Abstract

The invention discloses a forklift suspension arm, which relates to the field of forklift auxiliary devices and comprises a suspension seat, wherein the suspension seat is provided with a jack matched with a fork in an inserting manner, the suspension seat is rotatably connected with a telescopic arm, one end of the telescopic arm, which is far away from the suspension seat, is fixedly provided with a hanging ring, the suspension seat is in threaded connection with a suspension ring, and the thread section of the suspension ring extends into the jack. Aiming at the problem of insufficient applicability in the prior art, the height of the hanging ring can be changed by stretching the telescopic arm and rotating the telescopic arm, so that the applicability of lifting is greatly improved, and the lifting point can be conveniently adjusted according to the volume and weight of a heavy object.

Description

Fork truck davit

Technical Field

The invention relates to the field of forklift auxiliary devices, in particular to a forklift boom.

Background

Common fork truck only installs the fork, if want to adopt fork truck to carry, must leave the space in the heavy object below and be used for inserting the fork, and very inconvenient, the event is used for cooperating fork truck to realize that the davit of fork truck handling goods is in charge of.

For the existing boom device, such as a chinese patent with patent publication No. CN207645739U, a quick detachable forklift boom device is disclosed, which comprises a boom, a rectangular frame, vertical supporting rods, a base and a hook, wherein the rectangular frame is a rectangle formed by sequentially and fixedly enclosing a left supporting rod, a rear supporting rod, a right supporting rod and a front supporting rod, the lower ends of the joints of the rectangular frame are respectively fixed with the upper ends of the four vertical supporting rods, the base is fixed at the lower end of each vertical supporting rod, and a left-right through fork cutter hole is formed in the middle of the left end of the base; the middle part of the upper end of the support right rod is fixed with the right part of the lower end of the cantilever, the middle part of the upper end of the support left rod is fixed with the middle part of the lower end of the cantilever, and a hook is fixedly arranged on the lower part of the left end of the cantilever.

When the lifting device is used, the height of the cantilever is determined by the rectangular frame, the height of the cantilever which can be lifted is limited, the lifting device cannot be adjusted according to the volume and the weight of a heavy object, and the applicability is insufficient.

Disclosure of Invention

Aiming at the problem of insufficient applicability in the prior art, the invention aims to provide a forklift boom which has the advantage of strong applicability.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a fork truck davit, includes the seat of hanging, be provided with on the seat of hanging and peg graft complex jack with the fork, it is connected with flexible arm to rotate on the seat of hanging, flexible arm is kept away from the one end of seat of hanging is fixed with the link, threaded connection has rings on the seat of hanging, the screw thread section of rings extends to set up to in the jack.

According to the technical scheme, when the fork lifting device is used, a fork of a forklift is inserted into the insertion hole, the lifting ring is turned, the threaded end of the lifting ring extends into the insertion hole and tightly supports the fork into the insertion hole, a heavy object to be lifted is connected with the hanging ring through the lifting rope and the hook fixed on the lifting rope, the forklift is started to lift the fork, and the fork lifts the heavy object through the lifting arm; the hanging ring is used for connecting a lifting rope and can be held by hands, and the length of the telescopic arm is adjusted by pulling the telescopic arm; the suspension loops are arranged to be used for conveniently lifting the suspension arm and conveying the suspension arm, and can also be used for screwing in the suspension arm to the insertion holes, so that the stability of the fork in the insertion holes is improved.

Furthermore, flexible arm including rotate connect in sliding sleeve in the hanging seat, the sliding sleeve is kept away from stretch out and draw back in the one end of hanging seat is provided with the pipe that slides, the link is fixed in the pipe that slides is kept away from the one end of hanging seat.

Through the technical scheme, the sliding pipe slides in the sliding sleeve, so that the length of the telescopic arm is changed.

Furthermore, the hanging seat and the sliding sleeve are provided with a bolt for fixing the inclination angle of the telescopic arm in an inserting manner, and the hanging seat is provided with a plurality of positioning holes matched with the bolt for fixing the telescopic arm to different inclination angles.

Through above-mentioned technical scheme, rotate flexible arm, it is fixed with the inclination of flexible arm to recycle the bolt, increases or the range that less flexible arm lifted by crane.

Furthermore, a plurality of adjusting holes are formed in the sliding pipe along the length direction of the sliding pipe, and positioning pins which are matched with the adjusting holes in an inserting mode are arranged on the sliding sleeve.

Through above-mentioned technical scheme, utilize the bolt to insert in different regulation holes, change the position that slides of sliding tube in the sleeve pipe.

Furthermore, a crotch supporting leg for supporting is fixed at one end, far away from the hanging seat, of the sliding tube.

Through above-mentioned technical scheme, utilize the crotch stabilizer blade to support the one end of pipe that slides, be convenient for place the davit level.

Further, the crotch support leg is rotatably connected to the sliding tube in an angle-adjustable manner.

Through above-mentioned technical scheme, rotate the crotch stabilizer blade, utilize the position of crotch stabilizer blade restriction lifting rope, improve the stability of handling heavy object.

Furthermore, a reinforcing rib is fixed on the upper surface and/or the lower surface of the sliding sleeve along the length direction of the sliding sleeve.

Through above-mentioned technical scheme, utilize the bearing strength of reinforcement muscle reinforcing sliding sleeve.

Furthermore, a plurality of lifting holes are fixed on the reinforcing ribs along the length direction of the reinforcing ribs.

Through the technical scheme, the lifting holes are used for hanging the lifting ropes to form a plurality of lifting points.

Furthermore, an end plate is fixed at an opening at one end, far away from the hanging seat, of the sliding sleeve, and the end plate is fixed with the reinforcing ribs.

Through above-mentioned technical scheme, the joint strength of reinforcing bar and sliding sleeve is strengthened.

Furthermore, the both sides of hanging seat all are fixed with square pipe, square pipe hole forms the jack, square pipe both ends with all be fixed with the stiffening plate between the hanging seat.

Through above-mentioned technical scheme, alleviate the hanging seat weight, the stiffening plate is used for strengthening the joint strength of square pipe and hoist and mount.

Compared with the prior art, the invention has the beneficial effects that:

(1) by rotationally arranging the telescopic arm, the telescopic characteristic and the rotational characteristic of the telescopic arm are utilized, the applicability of lifting is greatly improved, and the telescopic arm is suitable for various scenes;

(2) furthermore, the crotch support legs are rotatably arranged, so that the horizontal supporting function can be achieved, the position of a lifting rope can be limited, and the stability of lifting heavy objects is improved;

(3) furthermore, by arranging the reinforcing ribs, the bearing strength of the sliding sleeve is enhanced, and meanwhile, a plurality of hoisting points for hoisting heavy objects are formed in the hoisting holes formed in the sliding sleeve.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Reference numerals: 1. a hanging seat; 2. a jack; 3. a telescopic arm; 4. hanging a ring; 5. a hoisting ring; 6. a sliding sleeve; 7. a slipping pipe; 8. a bolt; 9. positioning holes; 10. an adjustment hole; 11. positioning pins; 12. a crotch foot; 13. reinforcing ribs; 14. hoisting holes; 15. an end plate; 16. a square tube; 17. a reinforcing plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a fork truck davit, as shown in figure 1, including hanging seat 1, 1 both sides of hanging seat all are fixed with

square pipe

16, and 16 holes in square pipe form with fork grafting complex jack 2 of fork truck, rotate on the hanging seat 1 and be connected with flexible arm 3, and the one end that flexible arm 3 kept away from hanging seat 1 is fixed with link 4, and threaded connection has the rings 5 of being convenient for lift by crane the transport with flexible arm 3 on the hanging seat 1, and the screw thread section of rings 5 extends to and sets up to in the jack 2. During the use, according to the quality and the volume of heavy object in advance, adjust the length that flexible arm 3 stretches out, and the inclination of flexible arm 3, be convenient for adjust the length of flexible arm 3 through pulling link 4, insert fork truck's fork to square pipe 16 in again, screw up link 4, the screw thread section screw in of link 4 is to jack 2 in, push up the fork in jack 2, improve the stability of being connected between fork truck and the davit, be connected the hoisting point of heavy object and link 4 through the lifting rope, fork truck lifts up the fork, drive the davit and rise, hoist the heavy object, all welded fastening has reinforcing plate 17 between square pipe 16 both ends and the hanger seat 1, reinforcing plate 17 is used for strengthening the joint strength between square pipe 16 and the hanger seat 1.

The telescopic arm 3 is connected in the sliding sleeve 6 in the hanging seat 1 including rotating, and the sliding sleeve 6 is kept away from the one end of hanging seat 1 and is stretched and be provided with the pipe 7 that slides in, and the sliding sleeve 6 is the cavity steel pipe with the pipe 7 that slides, and the cross section is the rectangle for alleviate the quality of telescopic arm 3, the transport of being convenient for, the link 4 is fixed in the pipe 7 that slides and keeps away from the one end of hanging seat 1. A plurality of regulation holes 10 have been seted up along its length direction on the pipe 7 that slides, be provided with on the sliding sleeve 6 with regulation hole 10 grafting complex locating pin 11, the locating pin 11 is inserted and is located different regulation holes 10, the pipe 7 that slides stretches out the length difference of sliding sleeve 6 to the suitability of reinforcing this embodiment.

Hang and use the axis of rotation of flexible arm 3 as the centre of a circle on the seat 1, circumference is provided with a plurality of locating holes 9, the one end that link 4 was kept away from to sliding sleeve 6 also runs through and sets up emptily, it is provided with the bolt 8 that is used for fixed 3 inclination of flexible arm to peg graft between seat 1 and the sliding sleeve 6, bolt 8 wears to establish seat 1 and sliding sleeve 6 simultaneously, through wearing to locate different locating holes 9 with bolt 8 in, change the inclination of flexible arm 3, thereby the use scene of reinforcing davit improves the suitability.

The lower surface of the sliding sleeve 6 is fixedly provided with a reinforcing rib 13 along the length direction, the reinforcing rib 13 is fixedly provided with a plurality of lifting holes 14 along the length direction, when the number of lifted heavy objects is large, hooks of lifting ropes are hung in the plurality of lifting holes 14, so that the heavy objects with large number can be lifted, and in addition, the reinforcing rib 13 is additionally arranged, so that the bending resistance of the sliding sleeve 6 can be enhanced, and the load can be increased; an end plate 15 is fixed at an opening of one end of the sliding sleeve 6, which is far away from the hanging seat 1, and the end plate 15 and the reinforcing ribs 13 are welded and fixed to enhance the connection strength of the reinforcing ribs 13 and the sliding sleeve 6. A crotch supporting leg 12 for supporting is fixed at one end, away from the hanging seat 1, of the sliding tube 7, the crotch supporting leg 12 is connected to the sliding tube 7 in an angle-adjustable and rotatable mode, the crotch supporting leg 12 has two angle adjustment states, the two angle adjustment states are fixed by inserting pins, one horizontal position and the other horizontal position are vertical positions, and when the crotch supporting leg 12 is in the vertical state, the crotch supporting leg 12 supports one end, away from the hanging seat 1, of the telescopic arm 3, so that the hanging arm can be placed horizontally; when the suspension rope with the hook is hung on the hanging ring 4, the crotch support leg 12 is rotated to the horizontal position, the suspension rope is positioned in the fork of the crotch support leg 12, the position of the suspension rope is limited, and the stability of the suspended heavy object is improved.

In summary, the following steps:

when the invention is used, the telescopic arm 3 is rotationally arranged, and the telescopic characteristic and the rotational characteristic of the telescopic arm 3 are utilized, so that the applicability of lifting is greatly increased, and the invention is suitable for various scenes; the crotch support legs 12 are rotatably arranged, so that the horizontal supporting function can be achieved, the position of a lifting rope can be limited, and the stability of lifting heavy objects is improved; through setting up the strengthening rib 13, when reinforcing sliding sleeve 6 bearing strength, the lewis hole 14 that sets up on it forms the hoisting point of a plurality of lifts by crane the heavy object, is convenient for disperse the pulling force, increases the upper limit of lifting by crane the heavy object.

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

Claims

1. The utility model provides a fork truck davit, includes hanging seat (1), its characterized in that, be provided with on hanging seat (1) and peg graft complex jack (2) with the fork, it is connected with flexible arm (3) to rotate on hanging seat (1), flexible arm (3) are kept away from the one end of hanging seat (1) is fixed with link (4), threaded connection has rings (5) on hanging seat (1), the screw thread section of rings (5) extends to set up to in jack (2).

2. The forklift boom of claim 1, wherein the telescopic boom (3) comprises a sliding sleeve (6) rotatably connected in the lifting seat (1), a sliding pipe (7) is telescopically arranged in one end of the sliding sleeve (6) far away from the lifting seat (1), and the suspension loop (4) is fixed at one end of the sliding pipe (7) far away from the lifting seat (1).

3. The forklift boom of claim 2, wherein a bolt (8) for fixing the inclination angle of the telescopic boom (3) is inserted between the boom seat (1) and the sliding sleeve (6), and a plurality of positioning holes (9) matched with the bolt (8) for fixing the telescopic boom (3) to different inclination angles are formed in the boom seat (1).

4. The forklift boom of claim 2, wherein a plurality of adjusting holes (10) are formed in the sliding tube (7) along the length direction of the sliding tube, and positioning pins (11) which are in plug-in fit with the adjusting holes (10) are arranged on the sliding sleeve (6).

5. A forklift boom as claimed in claim 4, characterised in that a crotch foot (12) for support is fixed to the end of said drift tube (7) remote from said saddle (1).

6. A forklift boom as claimed in claim 5, characterised in that said crotch foot (12) is connected angularly adjustable rotatably to said drift tube (7).

7. A forklift boom as claimed in claim 6, characterised in that said sliding sleeve (6) is fixed with stiffening ribs (13) on its upper and/or lower surface along its length.

8. A forklift boom as claimed in claim 7, characterised in that a plurality of lifting holes (14) are fixed to said reinforcement bar (13) along its length.

9. The forklift boom of claim 8, wherein an end plate (15) is fixed at an opening of one end of the sliding sleeve (6) far away from the lifting seat (1), and the end plate (15) is fixed with the reinforcing rib (13).

10. The forklift boom of claim 1, wherein a square tube (16) is fixed on each side of the lifting seat (1), an inner hole of the square tube (16) forms the insertion hole (2), and a reinforcing plate (17) is fixed between each end of the square tube (16) and the lifting seat (1).