CN218560942U

CN218560942U - Telescopic arm crawler stacker crane

Info

Publication number: CN218560942U
Application number: CN202223039523.6U
Authority: CN
Inventors: 张�林; 李宁; 鲍永国; 邵飞; 左保驹; 徐莉莎; 李罕勇; 戴耀可; 杨树旺; 殷斌
Original assignee: Harbin Construction Machinery Co ltd; Tianjin Port Huisheng Terminal Co ltd
Current assignee: Harbin Construction Machinery Co ltd; Tianjin Port Huisheng Terminal Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-03-03
Anticipated expiration: 2032-11-15

Abstract

A telescopic arm crawler stacker crane relates to lower cabin equipment for operation in a cabin. The utility model discloses a solve current crawler crane operation space and occupy great, the operation function singleness leads to the operation operating mode to receive the restriction, has the problem of operation limitation. The utility model discloses a track chassis, the revolving stage, basic arm, two sections arms, three sections arms, choose the thick stick frame and choose the thick stick, the lower extreme of revolving stage is rotated with track chassis's upper end and is connected, it is connected with two big arm hydro-cylinders to rotate between basic arm and the revolving stage, it has the forearm hydro-cylinder to articulate between basic arm and the two sections arms, the rear end cartridge of three sections arms is in the inboard of two sections arm front ends, and the three section arm passes through telescopic cylinder and two sections arm sliding connection, the rear end of choosing the thick stick frame is connected through vertical slewing mechanism along vertical plane rotation with the front end of choosing the three sections arm, the rear end of choosing the thick stick is connected through horizontal slewing mechanism along horizontal plane rotation, the below of three sections arm front end is rotated and is connected with the lifting hook. The utility model is used for the cabin interior operation.

Description

Telescopic arm crawler stacker crane

Technical Field

The utility model relates to a lower cabin equipment of cabin interior operation, concretely relates to flexible arm track hacking machine.

Background

In recent years, port trade in China is vigorously developed, and the throughput capacity of a piece of general cargo wharf is continuously improved. In order to improve the efficiency of the operation in the cabin, the cabin operation machines used in the domestic grocery wharf mainly comprise a forklift, a tire crane, an excavator and the like, but the forklift has small operation amplitude, small lifting height and limited operation goods; the tire crane can not be hoisted and carried to run, and the auxiliary workload is large; the excavator has small operation radius, small lifting height and low lifting performance, and because the cabin has small operation space and low height, the machines have certain operation limitation.

At present, the traditional lower cabin equipment is a crawler crane, a suspension arm of the crawler crane is combined into two sections of telescopic arms, only the pitching of a basic arm and the stretching of the two sections of arms can be carried out, and the crawler crane cannot work in a narrow space in a cabin. And the stacking requirement of the highest layer cannot be met by the operation of the lifting hook alone.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve current crawler crane operation space and occupy great, the operation function singleness leads to the operation operating mode to receive the restriction, has the problem of operation limitation, and then provides a flexible arm track hacking machine.

The utility model discloses a solve the technical scheme that above-mentioned technical problem took and be:

the utility model provides a flexible arm track hacking machine includes the track chassis, the revolving stage, basic arm, two sections of arms, three sections of arms, choose the lever frame and choose the thick stick, the lower extreme of revolving stage rotates with the upper end of track chassis to be connected, the rear end of basic arm rotates with the revolving stage to be connected, it is connected with two big arm hydro-cylinders to rotate between basic arm and the revolving stage, the front end of basic arm rotates with the rear end of two sections of arms to be connected, it has little arm hydro-cylinder to articulate between basic arm and the two sections of arms, the rear end cartridge of three sections of arms is in the inboard of two sections of arm front ends, and three sections of arms pass through flexible hydro-cylinder and two sections of arm sliding connection, the rear end of choosing the lever frame is connected with the front end of choosing the lever frame through vertical slewing mechanism along vertical plane rotation, the rear end of choosing the thick stick is connected with the front end of choosing the lever frame through horizontal slewing mechanism along horizontal plane rotation, the below rotation of three sections arm front end is connected with the lifting hook.

Furthermore, the cylinder body ends of the two large arm oil cylinders are respectively hinged with the lower part of the rotary table, and the rod body ends of the two large arm oil cylinders are respectively hinged with the side surface of the middle part of the basic arm.

Furthermore, the cylinder body end of the small arm oil cylinder is hinged with the lower part of the basic arm, and the rod body end of the small arm oil cylinder is hinged with the lower part of the two-section arm.

Furthermore, a slot is arranged on the front end face of the two-section arm, the rear end of the three-section arm is inserted into the slot, the cylinder body end of the telescopic oil cylinder is hinged with the bottom of the slot, and the rod body end of the telescopic oil cylinder is hinged with the rear end of the three-section arm.

Furthermore, a guide mechanism is arranged between the outer side wall of the three-section arm and the slot wall of the two-section arm.

Further, the vertical rotating mechanism comprises a pulling plate, a pressing plate, a picking lever oil cylinder, a first fixing shaft and a second fixing shaft, the upper portion of the rear end of the picking lever frame is hinged to the upper portion of the front end of the three-section arm through the first fixing shaft, the cylinder body end of the picking lever oil cylinder is hinged to the front end of the three-section arm, the rod body end of the picking lever oil cylinder is hinged to one end of the pulling plate and one end of the pressing plate, the other end of the pulling plate is hinged to the upper portion of the front end of the three-section arm through the second fixing shaft, and the other end of the pressing plate is hinged to the lower portion of the rear end of the picking lever frame.

Furthermore, the cantilever lever frame is rotatably connected with the first fixed shaft, the pull plate is rotatably connected with the second fixed shaft, and two ends of the first fixed shaft and the second fixed shaft are respectively and rigidly connected with the three-section arm.

Furthermore, a fixed disc is welded at one end of each of the first fixed shaft and the second fixed shaft, and the fixed discs are rigidly connected to the outer side wall of the three-section arm.

Furthermore, horizontal slewing mechanism includes first round pin axle, swing hydro-cylinder, second round pin axle and swizzle, chooses to be equipped with the notch along width direction on the preceding terminal surface of lever frame, chooses the rear end cartridge of thick stick to the notch and through the swizzle with choose the lever frame articulated, the cylinder body end of swing hydro-cylinder is articulated through first round pin axle and one side of choosing the inside of lever frame, the body of rod end of swing hydro-cylinder is articulated through second round pin axle and one side of choosing the thick stick rear end.

Furthermore, the kingpin is vertically arranged on the inner side of the front end of the cantilever lever frame and is rotationally connected with the cantilever lever frame, and the rear end of the cantilever lever is sleeved on the kingpin and is rigidly connected with the kingpin.

Compared with the prior art, the utility model the beneficial effect who contains is:

the utility model aims to provide a flexible arm track hacking machine of advanced performance, simple and reliable, wide range, a tractor serves several purposes. The utility model discloses a davit not only can fold but also can stretch out and draw back, also can deal with freely in the narrow space in the cabin. The picking lever part can swing at a certain angle in a vertical plane and also can swing in a horizontal plane, so that the use requirement of left-right shifting and swinging conditions of goods can be met. Especially under the complicated condition of cargo kind in the cabin, choose the switching function of thick stick and lifting hook and also make this equipment can be fine adaptation various operating modes. The utility model has simple structure, advanced performance, simplicity, reliability, wide range and multifunction. Through the folding and the expansion of the suspension arm; the lifting bar swings vertically and horizontally; the selection of accessories of the selecting lever and the lifting hook not only adapts to the operation working condition with narrow space, but also expands the working range, meets the stacking of various goods and greatly improves the operation efficiency.

Drawings

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

fig. 2 is a schematic connection diagram of the middle lever-lifting frame 9 and the lifting lever 10 of the present invention;

fig. 3 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 2.

Detailed Description

The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, the telescopic arm track stacker crane of the embodiment comprises a track chassis 1, a turntable 2, a basic arm 4, a two-section arm 5, a three-section arm 7, a picking lever frame 9 and a picking lever 10, wherein the lower end of the turntable 2 is rotatably connected with the upper end of the track chassis 1, the rear end of the basic arm 4 is rotatably connected with the turntable 2, two large arm cylinders 3 are rotatably connected between the basic arm 4 and the turntable 2, the front end of the basic arm 4 is rotatably connected with the rear end of the two-section arm 5, a small arm cylinder 14 is hinged between the basic arm 4 and the two-section arm 5, the rear end of the three-section arm 7 is inserted into the inner side of the front end of the two-section arm 5, the three-section arm 7 is slidably connected with the two-section arm 5 through a telescopic cylinder 6, the rear end of the picking lever frame 9 is rotatably connected with the front end of the three-section arm 7 through a vertical rotating mechanism along a vertical plane, the rear end of the picking lever 10 is rotatably connected with the front end of the picking lever frame 9 through a horizontal rotating mechanism along a horizontal plane, and the lower side of the front end of the three-section arm 7 is rotatably connected with a lifting hook 12.

The turntable 2 is rotatably connected with the crawler chassis 1 through a rotary support, the structure of the rotary support is similar to that of a bearing, the inner ring and the outer ring of the rotary support can rotate relatively, the lower end face of the turntable 2 is rigidly connected with the outer ring of the rotary support, and the upper end face of the crawler chassis 1 is rigidly connected with the inner ring of the rotary support.

The basic arm 4 and the second-joint arm 5 are designed to be foldable in a vertical plane. The three-section arm 7 can stretch and contract along the two-section arm 5. The take-up bar 10 can swing in both a vertical plane and a horizontal plane and can perform a compound action. Under the required working condition, the lifting rod 10 and the lifting hook 12 can be used for working.

The second embodiment is as follows: referring to fig. 1 to 3, the present embodiment is described, in which the cylinder ends of the two large arm cylinders 3 are respectively hinged to the lower part of the turntable 2, and the rod ends of the two large arm cylinders 3 are respectively hinged to the side surface of the middle part of the basic arm 4. Other components and connection modes are the same as those of the first embodiment.

The design realizes the rotation of the basic arm 4 in a vertical plane through the extension and retraction of the large arm oil cylinder 3.

The third concrete implementation mode: referring to fig. 1 to 3, the present embodiment will be described, in which the cylinder end of the arm cylinder 14 is hinged to the lower portion of the base arm 4, and the rod end of the arm cylinder 14 is hinged to the lower portion of the second arm 5. Other components and connection modes are the same as those of the second embodiment.

The design realizes that the two-section arm 5 rotates in a vertical plane through the extension and retraction of the small arm oil cylinder 14.

The folding state of the basic arm 4 and the two-section arm 5 can be realized through the interaction of the large arm oil cylinder 3 and the small arm oil cylinder 14.

The fourth concrete implementation mode is as follows: the embodiment is described with reference to fig. 1 to 3, in the embodiment, a slot is provided on the front end surface of the two-section arm 5, the rear end of the three-section arm 7 is inserted into the slot, the cylinder body end of the telescopic cylinder 6 is hinged with the bottom of the slot, and the rod body end of the telescopic cylinder 6 is hinged with the rear end of the three-section arm 7. Other components and connection modes are the same as those of the first embodiment.

The design can realize the extension and retraction of the three-section arm 7 along the track of the two-section arm 5 through the extension and retraction of the telescopic oil cylinder 6.

The fifth concrete implementation mode: in the present embodiment, a guide mechanism is provided between the outer wall of the three-link arm 7 and the slot wall of the two-link arm 5 according to the present embodiment, which is described with reference to fig. 1 to 3. The other components and the connection mode are the same as those of the fourth embodiment.

The guide mechanism comprises two groups of sliding blocks, a group of sliding blocks are arranged at the front lower part and the front side of the two-section arm 5, and another group of sliding blocks are arranged at the rear upper part and the rear lower part of the three-section arm 7. The two sets of sliding blocks are matched to play a role in guiding in the process of extending and retracting the three sections of arms 7.

The sixth specific implementation mode is as follows: the embodiment is described with reference to fig. 1 to 3, the vertical rotating mechanism of the embodiment includes a pulling plate 8, a pressing plate 11, a picking lever cylinder 13, a first fixing shaft 16 and a second fixing shaft 15, the upper part of the rear end of the picking lever frame 9 is hinged to the upper part of the front end of the three-section arm 7 through the first fixing shaft 16, the cylinder body end of the picking lever cylinder 13 is hinged to the front end of the three-section arm 7, the rod body end of the picking lever cylinder 13 is hinged to one end of the pulling plate 8 and one end of the pressing plate 11, the other end of the pulling plate 8 is hinged to the upper part of the front end of the three-section arm 7 through the second fixing shaft 15, and the other end of the pressing plate 11 is hinged to the lower part of the rear end of the picking lever frame 9. Other components and connection modes are the same as those of the first embodiment.

When the take-up lever oil cylinder 13 extends out, the take-up lever 10 rotates clockwise around the first fixed shaft 16 along with the take-up lever frame 9 under the action of the pulling plate 8 and the pressing plate 11; when the picking rod oil cylinder 13 retracts, under the action of the pulling plate 8 and the pressing plate 11, the picking rod 10 rotates anticlockwise around the first fixing shaft 16 along with the picking rod frame 9, and therefore the process that the picking rod 10 swings in a vertical plane is completed.

The seventh embodiment: in the present embodiment, the lever raising frame 9 is rotatably connected to the first fixed shaft 16, the pulling plate 8 is rotatably connected to the second fixed shaft 15, and both ends of the first fixed shaft 16 and the second fixed shaft 15 are rigidly connected to the three-link arm 7, respectively, as described with reference to fig. 1 to 3. Other components and connection modes are the same as those of the sixth embodiment.

The specific implementation mode eight: in the present embodiment, a fixed plate is welded to one end of each of the first fixed shaft 16 and the second fixed shaft 15, and the fixed plate is rigidly connected to an outer sidewall of the three-section arm 7, as described with reference to fig. 1 to 3. The other components and the connection mode are the same as those of the seventh embodiment mode. The other ends of the first and

second fixing shafts

16 and 15 are fastened by nuts. The design is convenient for realizing the installation and the disassembly of the first fixed shaft 16 and the second fixed shaft 15.

The rear end face of the cantilever bar frame 9 is inclined from top to bottom to the front side. Such as designed to prevent the lever-raising frame 9 from interfering during rotation.

The specific implementation method nine: the present embodiment is described with reference to fig. 1 to 3, the horizontal rotation mechanism of the present embodiment includes a first pin 17, a swing cylinder 18, a second pin 19, and a main pin 20, a notch 21 is formed in the front end surface of the pick lever frame 9 along the width direction, the rear end of the pick lever 10 is inserted into the notch 21 and is hinged to the pick lever frame 9 through the main pin 20, the cylinder end of the swing cylinder 18 is hinged to one side of the inside of the pick lever frame 9 through the first pin 17, and the rod end of the swing cylinder 18 is hinged to one side of the rear end of the pick lever 10 through the second pin 19. Other components and connection modes are the same as those of the first embodiment.

When the swing cylinder 18 extends, the lifting lever 10 rotates clockwise around the main pin 20; when the swing cylinder 18 is retracted, the pick bar 10 will rotate counterclockwise about the kingpin 20, thus completing the swinging of the pick bar 10 in the horizontal plane.

When the boom cylinder 13 and the swing cylinder 18 extend and contract simultaneously or alternately, the combined operation of the boom 10 is completed.

The width of the notch 21 in the horizontal direction is larger than the width of the rear end face of the carrying bar 10. Designed to prevent interference during rotation of the take-up lever 10

The cantilever bar 10 is of a hollow structure. The design reduces the self weight of the cantilever bar 10 and enhances the strength of the cantilever bar 10.

One side of the rear end of the lifting bar 10 is fixedly connected with a fixed lug plate 22, and the rod body end of the swing oil cylinder 18 is hinged with the fixed lug plate 22 through a second pin shaft 19. The design is convenient for realizing the hinging of the cantilever bar 10 and the swing oil cylinder 18.

The lower part of the front end of the lifting bar 10 is fixedly connected with a group of connecting lug plates 23. The design can be used for hoisting or assisting hoisting and stacking of goods.

The detailed implementation mode is ten: the present embodiment will be described with reference to fig. 1 to 3, wherein the main pin 20 is vertically provided inside the front end of the cantilever lever frame 9 and is rotatably connected to the cantilever lever frame 9, and the rear end of the cantilever lever 10 is fitted over the main pin 20 and is rigidly connected to the main pin 20. The other components and the connection mode are the same as those of the ninth embodiment.

In this embodiment, the hook 12 is hinged to the arm head of the three-section arm 7 by a pin. When the cargo in the cabin is various, the function of the lifting bar 10 can not adapt to the working condition at that time well, and at this time, the lifting hook 12 can be used for working. If the lever 10 interferes with the stacking operation, the first fixing shaft 16 is removed, and the lever frame 9 is removed together with the lever 10 and the pressing plate 11, and the hook 12 is operated alone.

Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that various dependent claims and the features described herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

Claims

1. The utility model provides a flexible arm track hacking machine which characterized in that: it includes track chassis (1), revolving stage (2), basic arm (4), two festival arms (5), three festival arm (7), choose lever rack (9) and choose lever (10), the lower extreme of revolving stage (2) rotates with the upper end of track chassis (1) to be connected, the rear end of basic arm (4) rotates with revolving stage (2) to be connected, it has two big arm hydro-cylinders (3) to rotate between basic arm (4) and revolving stage (2), the front end of basic arm (4) rotates with the rear end of two festival arms (5) to be connected, it has forearm hydro-cylinder (14) to articulate between basic arm (4) and two festival arms (5), the rear end cartridge of three festival arm (7) is in the inboard of two festival arm (5) front ends, and three festival arm (7) are through flexible hydro-cylinder (6) and two festival arm (5) sliding connection, the rear end of choosing frame (9) rotates along vertical plane with the front end of three festival arm (7) through vertical rotation mechanism and is connected, the rear end of choosing lever (10) and the front end of the lever rack (9) are connected through horizontal rotation mechanism (12) rotation below the three festival arm.

2. A telescopic arm track stacker according to claim 1, wherein: the cylinder body ends of the two large arm oil cylinders (3) are respectively hinged with the lower part of the rotary table (2), and the rod body ends of the two large arm oil cylinders (3) are respectively hinged with the side surface of the middle part of the basic arm (4).

3. A telescopic arm track stacker according to claim 2, wherein: the cylinder body end of the small arm oil cylinder (14) is hinged with the lower part of the basic arm (4), and the rod body end of the small arm oil cylinder (14) is hinged with the lower part of the two-section arm (5).

4. The telescopic boom track stacker of claim 1, wherein: the front end face of the two-section arm (5) is provided with a slot, the rear end of the three-section arm (7) is inserted into the slot, the cylinder body end of the telescopic oil cylinder (6) is hinged with the slot bottom of the slot, and the rod body end of the telescopic oil cylinder (6) is hinged with the rear end of the three-section arm (7).

5. A telescopic arm track stacker according to claim 4, wherein: and a guide mechanism is arranged between the outer side wall of the three-section arm (7) and the slot wall of the two-section arm (5).

6. A telescopic arm track stacker according to claim 1, wherein: vertical slewing mechanism includes arm-tie (8), clamp plate (11), chooses thick stick hydro-cylinder (13), first fixed axle (16) and second fixed axle (15), the upper portion of choosing thick stick frame (9) rear end is articulated through first fixed axle (16) and the upper portion of three section arm (7) front end, the cylinder body end of choosing thick stick hydro-cylinder (13) is articulated with the front end of three section arm (7), the body of rod end of choosing thick stick hydro-cylinder (13) is articulated with the one end of arm-tie (8) and the one end of clamp plate (11), the other end of arm-tie (8) is articulated through the upper portion of second fixed axle (15) and three section arm (7) front end, the other end of clamp plate (11) is articulated with the lower part of choosing thick stick frame (9) rear end.

7. The telescopic boom track stacker of claim 6, wherein: the cantilever bar frame (9) is rotatably connected with the first fixed shaft (16), the pulling plate (8) is rotatably connected with the second fixed shaft (15), and two ends of the first fixed shaft (16) and the second fixed shaft (15) are respectively and rigidly connected with the three-section arm (7).

8. The telescopic boom track stacker of claim 7, wherein: and a fixed disc is welded at one end of each of the first fixed shaft (16) and the second fixed shaft (15), and the fixed disc is rigidly connected to the outer side wall of the three-section arm (7).

9. The telescopic boom track stacker of claim 1, wherein: horizontal slewing mechanism includes first round pin axle (17), swing hydro-cylinder (18), second round pin axle (19) and swizzle (20), it is equipped with notch (21) to choose on the preceding terminal surface of thick stick frame (9) along width direction, it is articulated with choosing thick stick frame (9) just through swizzle (20) in notch (21) to choose the rear end cartridge of thick stick (10), the cylinder body end of swing hydro-cylinder (18) is articulated through first round pin axle (17) and one side of choosing thick stick frame (9) inside, the body of rod end of swing hydro-cylinder (18) is articulated through second round pin axle (19) and one side of choosing thick stick (10) rear end.

10. The telescopic boom track stacker of claim 9, wherein: the main pin (20) is vertically arranged on the inner side of the front end of the cantilever lever frame (9) and is rotationally connected with the cantilever lever frame (9), and the rear end of the cantilever lever (10) is sleeved on the main pin (20) and is rigidly connected with the main pin (20).