CN215249192U

CN215249192U - Crawler-type crane convenient to overhaul

Info

Publication number: CN215249192U
Application number: CN202121609801.XU
Authority: CN
Inventors: 李德强; 郭文喜; 谢夫雨
Original assignee: Jining Huihao Mechanical Equipment Co ltd
Current assignee: Jining Huihao Mechanical Equipment Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-12-21
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a crane is played to crawler-type convenient to overhaul, comprises an operation bench, operation panel bottom end fixed connection right side bottom plate, bottom plate top middle part sliding connection has the chassis, the first thread bush of chassis lower extreme fixedly connected with, the inside threaded connection of first thread bush has first threaded rod, the chassis upper end is rotated and is connected with the carousel, carousel upper end left side is provided with the hydraulic stem, carousel upper end right side fixedly connected with fuselage, the fuselage top is rotated and is connected with the davit, both sides are all rotated around the davit middle part and are connected with first telescopic link. The utility model discloses in, prolong first telescopic link and second telescopic link, rotate the second threaded rod, shorten the clearance, it is spacing with the heavy object, rotate the rotation handle and make the chassis of fixed connection in first thread bush top slide in the bottom plate top, change in the maintenance of dismantling the crane of being convenient for, be worth wideling popularize.

Description

Crawler-type crane convenient to overhaul

Technical Field

The utility model relates to a transportation equipment technical field especially relates to a crane is played to crawler-type convenient to overhaul.

Background

The crawler crane consists of a travelling mechanism, a swing mechanism, a crane body, a crane boom and the like, is convenient to use, has larger lifting capacity, can travel on a flat and solid road under a load, can become an excavator or a pile driver after a working device is replaced, is a multifunctional machine, but has low travelling speed and large destructiveness on the road surface, and is transported by using a flat trailer or a railway flat car when being transferred for a long distance.

When the crane lifts a heavy object, if the crane encounters windy weather or the rotation speed of the lifting arm is too fast, the rope used for lifting the heavy object on the top end of the lifting arm is probably wound together due to the self-rotation of the object, so that the follow-up use is influenced, meanwhile, the crane on the crawler crane needs to be overhauled regularly, the fixing mode of the existing crawler crane is complex, the crane is not easy to detach, and certain troubles are caused for the overhaul.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a crawler crane convenient to overhaul.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a crawler crane convenient to overhaul comprises an operation table, wherein the bottom end of the operation table is fixedly connected with a right bottom plate, the bottom of the left end of the operation table is fixedly connected with a buckle, the upper end of the left side of the bottom plate is provided with a carriage, the middle part of the top end of the bottom plate is connected with a chassis in a sliding manner, the lower end of the chassis is fixedly connected with a first thread sleeve, the inner part of the first thread sleeve is in threaded connection with a first threaded rod, the rear end of the first threaded rod is fixedly connected with a rotating handle, the upper end of the chassis is rotatably connected with a turntable, the left side of the upper end of the turntable is provided with a hydraulic rod, the right side of the upper end of the turntable is fixedly connected with a crane body, the top end of the crane body is rotatably connected with a crane boom, the left end of the crane boom is provided with a steel wire rope, the front side and the rear side of the middle part of the crane boom are both rotatably connected with first telescopic rods, the bottom end of the first telescopic rod is rotatably connected with the middle part of a second telescopic rod, the middle part of the front end of the first telescopic rod is fixedly connected with a second thread sleeve, the internal thread of the rear end of the second threaded sleeve is connected with a second threaded rod, and the rear end of the second threaded rod is rotatably connected to the middle of one rear end of the first telescopic rod.

As a further description of the above technical solution:

the base plate is connected with the buckle in a sliding mode.

As a further description of the above technical solution:

the bottom end of the right side of the operating platform is fixedly connected with a pedal.

As a further description of the above technical solution:

and a chain type crawler belt is arranged below the bottom plate.

As a further description of the above technical solution:

the first threaded rod penetrates through the first threaded sleeve and extends, and the first threaded rod is rotatably connected with the bottom plate.

As a further description of the above technical solution:

the bottom end of the steel wire rope is fixedly connected with a hook.

As a further description of the above technical solution:

the equal fixedly connected with baffle in second telescopic link both ends.

As a further description of the above technical solution:

the top end of the hydraulic rod is connected to the bottom side of the right end of the suspension arm in a sliding mode.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, when the couple is hung the object that needs lifted by crane, thereby prolong first telescopic link and second telescopic link and utilize the baffle at second telescopic link both ends, block the heavy object that hangs, rotate the second threaded rod, shorten the clearance of two first telescopic links, it is spacing with the heavy object, avoid the object rotatory.

2. The utility model discloses in, rotate the handle through rotating and order about first threaded rod and rotate to make the chassis of fixed connection in first thread bush top slide in the bottom plate top, compare with traditional bolt fastening, more nimble, change in the dismantlement, the maintenance of the crane of being convenient for plays is worth wideling popularize.

Drawings

Fig. 1 is a schematic structural view of a crawler crane convenient for maintenance provided by the utility model;

FIG. 2 is a schematic structural view of a boom of the crawler crane convenient for maintenance;

fig. 3 is the utility model provides a crane connecting device of crane is played to crawler-type convenient to overhaul.

Illustration of the drawings:

1. an operation table; 2. a base plate; 3. a chain track; 4. a carriage; 5. buckling; 6. a chassis; 7. a first threaded sleeve; 8. rotating the handle; 9. a body; 10. a hydraulic lever; 11. a suspension arm; 12. a wire rope; 13. hooking; 14. a first telescopic rod; 15. a second telescopic rod; 16. a baffle plate; 17. a second threaded sleeve; 18. a second threaded rod; 19. a pedal; 20. a turntable; 21. a first threaded rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: comprises an operation table 1, the bottom end of the operation table 1 is fixedly connected with a right bottom plate 2, the bottom of the left end of the operation table 1 is fixedly connected with a buckle 5, the upper end of the left side of the bottom plate 2 is provided with a carriage 4, the middle part of the top end of the bottom plate 2 is slidably connected with a chassis 6, the lower end of the chassis 6 is fixedly connected with a first thread bush 7, the inner part of the first thread bush 7 is in threaded connection with a first thread rod 21, the rear end of the first thread rod 21 is fixedly connected with a rotating handle 8, the first thread rod 21 is driven to rotate by rotating the rotating handle 8, so that the chassis 6 fixedly connected above the first thread bush 7 slides above the bottom plate 2, the upper end of the chassis 6 is rotatably connected with a rotary table 20, the suspension arm 11 can realize omnibearing rotation, the left side of the upper end of the rotary table 20 is provided with a hydraulic rod 10, the right side of the upper end of the rotary table 20 is fixedly connected with a machine body 9, the top end of the machine body 9 is rotatably connected with a suspension arm 11, and the left end of the suspension arm 11 is provided with a steel wire rope 12, the both sides all rotate around davit 11 middle part and are connected with first telescopic link 14, the 14 bottom of first telescopic link all rotates to be connected at 15 middle parts of second telescopic link, the middle part fixedly connected with second thread bush 17 of first telescopic link 14 front end one, the inside threaded connection in second thread bush 17 rear end of telling has second threaded rod 18, the middle part of connecting at first telescopic link 14 rear end one is rotated to 18 rear ends of second threaded rod, when the required object of lifting by crane is hung to couple 13, thereby prolong first telescopic link 14 and second telescopic link 15 and utilize the baffle 16 at 15 both ends of second telescopic link, block the heavy object of hanging, rotate second threaded rod 18, shorten the clearance of two first telescopic links 14, it is spacing with the heavy object, avoid the object rotatory.

Chassis

6 and 5 sliding connection of buckle, when reducing the loop wheel machine and using, the fuselage 9 is to the pressure of first threaded rod 21, 1 right side bottom fixedly connected with footboard 19 of operation panel, 2 below bottom plates are provided with chain track 3, first threaded rod 21 runs through first thread bush 7 and extends and first threaded rod 21 and bottom plate 2 rotates and is connected, 12 bottom fixedly connected with couples 13 of wire rope, 15 equal fixedly connected with baffles 16 in both ends of second telescopic link, 10 top sliding connection of hydraulic stem is in 11 right-hand members bottom sides of davit, lift by crane the heavy object through the lifting of hydraulic stem 10.

The working principle is as follows: when the object that needs lift by crane is hung to couple 13, thereby prolong first telescopic link 14 and second telescopic link 15 and utilize the baffle 16 at second telescopic link 15 both ends, block the heavy object of hanging, rotate second threaded rod 18, shorten the clearance of two first telescopic links 14, it is spacing with the heavy object, avoid the object rotatory, it orders about first threaded rod 21 to rotate handle 8 through rotating, thereby make chassis 6 of fixed connection in first thread bush 7 top slide in bottom plate 2 tops, compare with traditional bolt fastening, it is more nimble, it is more easy to dismantle, be convenient for get up the maintenance of crane, buckle 5 reduces when the loop wheel machine uses, fuselage 9 is to the pressure of first threaded rod 21, carousel 20, make davit 11 can realize the all around rotation, be worth the high-force popularization.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a crawler-type plays crane convenient to overhaul, includes operation panel (1), its characterized in that: the hydraulic lifting device is characterized in that the bottom end of the operating platform (1) is fixedly connected with a right bottom plate (2), the bottom end of the left end of the operating platform (1) is fixedly connected with a buckle (5), the upper end of the left side of the bottom plate (2) is provided with a carriage (4), the middle part of the top end of the bottom plate (2) is slidably connected with a chassis (6), the lower end of the chassis (6) is fixedly connected with a first thread bush (7), the inner thread of the first thread bush (7) is connected with a first threaded rod (21), the rear end of the first threaded rod (21) is fixedly connected with a rotating handle (8), the upper end of the chassis (6) is rotatably connected with a turntable (20), the left side of the upper end of the turntable (20) is provided with a hydraulic rod (10), the right side of the upper end of the turntable (20) is fixedly connected with a machine body (9), the top end of the machine body (9) is rotatably connected with a lifting arm (11), and the left end of the lifting arm (11) is provided with a steel wire rope (12), the suspension arm is characterized in that a first telescopic rod (14) is rotationally connected to the front side and the rear side of the middle portion of the suspension arm (11), the bottom end of the first telescopic rod (14) is rotationally connected to the middle portion of a second telescopic rod (15), a second threaded sleeve (17) is fixedly connected to the middle portion of one front end of the first telescopic rod (14), a second threaded rod (18) is connected to the inner thread of the rear end of the second threaded sleeve (17), and the rear end of the second threaded rod (18) is rotationally connected to the middle portion of one rear end of the first telescopic rod (14).

2. A crawler crane for facilitating service according to claim 1, wherein: the chassis (6) is connected with the buckle (5) in a sliding way.

3. A crawler crane for facilitating service according to claim 1, wherein: the bottom end of the right side of the operating platform (1) is fixedly connected with a pedal (19).

4. A crawler crane for facilitating service according to claim 1, wherein: and a chain-type crawler belt (3) is arranged below the bottom plate (2).

5. A crawler crane for facilitating service according to claim 1, wherein: the first threaded rod (21) penetrates through the first threaded sleeve (7) and extends, and the first threaded rod (21) is rotatably connected with the bottom plate (2).

6. A crawler crane for facilitating service according to claim 1, wherein: the bottom end of the steel wire rope (12) is fixedly connected with a hook (13).

7. A crawler crane for facilitating service according to claim 1, wherein: the two ends of the second telescopic rod (15) are fixedly connected with baffle plates (16).

8. A crawler crane for facilitating service according to claim 1, wherein: the top end of the hydraulic rod (10) is connected to the bottom side of the right end of the suspension arm (11) in a sliding mode.