CN216564301U

CN216564301U - Flexible spool guiding mechanism of telescopic boom

Info

Publication number: CN216564301U
Application number: CN202122806665.XU
Authority: CN
Inventors: 郭潇鹏; 郭俊锋; 郭荣钦; 杨灿彬; 郭炎波; 郭海波; 黄晓华
Original assignee: Fujian Southchina Machinery Manufacture Co ltd
Current assignee: Fujian Southchina Machinery Manufacture Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-05-17
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to a telescopic arm movable spool guide mechanism, which comprises a first telescopic arm and a second telescopic arm which can move relatively, wherein a guide frame is arranged on the outer wall of the second telescopic arm, an accommodating space for accommodating a spool is formed in the guide frame, a guide rail is arranged in the accommodating space, the spool guide mechanism also comprises a movable frame which can move in the accommodating space, the movable frame is arranged on the outer wall of the first telescopic arm, a guide pin which can move on the guide rail is arranged on the movable frame, a first connecting piece is arranged on the movable frame, a second connecting piece is arranged at the lower end of the guide frame, one end of the spool is arranged on the first connecting piece corresponding to the first end of the guide frame, the other end of the spool is arranged on the second connecting piece corresponding to the second end 302 of the guide frame, and the portion of the spool between the first connecting piece and the second connecting piece is wound on the guide pin. Compared with the existing drag chain and drag chain frame structure, the drag chain frame structure has the advantages that the occupied space is smaller, and the drag resistance can be reduced.

Description

Flexible spool guiding mechanism of telescopic boom

Technical Field

The utility model relates to a flexible wire tube guiding mechanism of a telescopic arm.

Background

The telescopic boom is commonly used in engineering machinery, an accessory is installed at the front end of the telescopic boom, the position of the accessory is adjusted through the telescopic boom of the telescopic boom, power sources such as oil cylinders or motors are arranged on some accessories and used for driving the accessories to work, the oil cylinders or the motors and the like need to provide power through oil pipes or electric wires (the oil pipes and the electric wires are called as wire pipes for short), the wire pipes are connected to an oil supply mechanism or a power supply mechanism of an engineering machinery vehicle body, in order to guide the wire pipes to move along with the telescopic boom in a telescopic mode, a drag chain frame and a drag chain are usually arranged outside the wire pipes in the prior art, the whole wire pipe is arranged in the drag chain, the drag chain is long, the occupied space is large, and the drag friction force is large.

Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a movable spool guide mechanism of a telescopic arm, which occupies small space and is smoothly dragged.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the telescopic arm movable line tube guiding mechanism comprises a first telescopic arm and a second telescopic arm which can move relatively, the outer wall of the second telescopic arm is provided with a guide frame, an accommodating space for accommodating the wire tube is formed in the guide frame, be equipped with the guide rail in the accommodation space, still include the adjustable shelf that can move about in the accommodation space, the adjustable shelf is installed on the outer wall of first flexible arm, be equipped with the uide pin that can remove on the guide rail on the adjustable shelf, be equipped with first connecting piece on the adjustable shelf, the second connecting piece is installed to the lower extreme of guided shelf, first connecting piece and second connecting piece are all laid along the length direction of guided shelf, establish to first end and second end at the both ends of guided shelf along length direction, the first end that the one end of spool corresponds the leading shelf is installed on first connecting piece, the second end that the other end of spool corresponds the leading shelf is installed on the second connecting piece, the part of spool between first connecting piece and second connecting piece is around establishing on the uide pin.

In a preferred embodiment of the present invention, the guide pin is provided with a guide wheel thereon, the guide pin is disposed in a horizontal direction, the guide wheel is rotatably disposed on the guide pin, and the spool is wound around the guide wheel.

As a preferable mode of the present invention, the spool is a soft oil pipe, the first connecting member is a first hard pipe, the second connecting member is a second hard pipe, and both ends of the soft oil pipe are respectively connected to the first hard pipe and the second hard pipe.

As a preferable mode of the present invention, the movable frame includes a first vertical plate, a second vertical plate, and a flat plate, the first vertical plate and the second vertical plate are both disposed along a vertical direction, one end of the flat plate is connected to a lower end of the first vertical plate, the other end of the flat plate is connected to a lower end of the second vertical plate, the height of the first vertical plate is higher than that of the second vertical plate with the flat plate as a reference, the guide rail includes a first guide rail and a second guide rail, the first guide rail is disposed on the first vertical plate, the second guide rail is disposed on the second vertical plate, and two ends of the guide pin are respectively erected on the first guide rail and the second guide rail.

As a preferable mode of the present invention, the movable frame includes a support plate and a connecting frame provided at a lower end of the support plate, the support plate is provided in a horizontal direction, and the guide pin is rotatably provided on the connecting frame.

In a preferred aspect of the present invention, the guide frame extends from one end to the other end in the longitudinal direction of the second telescopic arm, and the movable frame extends from one end to the other end in the longitudinal direction of the first telescopic arm.

After the technical scheme is adopted, the movable frame connected with the first telescopic arm and the guide frame connected with the second telescopic arm are arranged, when the first telescopic arm and the second telescopic arm are relatively telescopic, the guide pin slides or rolls on the guide rail, and the spool between the first connecting piece and the second connecting piece moves in the accommodating space along with the guide pin, so that the drag resistance of the spool can be reduced, and compared with the existing drag chain and drag chain frame structure, the space occupied by the utility model is smaller.

Drawings

FIG. 1 is a schematic perspective view of the present invention (wherein the soft oil tube is not shown).

FIG. 2 is a front view of the present invention (with the soft tubing not shown).

FIG. 3 is a rear view of the present invention (with only one of the soft tubing shown).

FIG. 4 is a rear view from another angle of the present invention (wherein the first telescoping arm, second telescoping arm, soft tubing are not shown).

In the figure:

first telescopic arm 10 and second telescopic arm 20

First vertical plate 31 of guide frame 30

Second vertical plate 32 flat plate 33

Accommodating space 34 and first guide rail 35

Second rail 36 cradle 40

Guide pin 41 guide wheel 42

Bracket 43 connecting rack 44

First hard tube 51 and second hard tube 52

First end 301 of soft oil pipe 53

Second end 302

Detailed Description

In order to further explain the technical solution of the present invention, the following detailed description is made with reference to the embodiments.

Referring to fig. 1 to 4, the flexible conduit guiding mechanism of the telescopic arm includes a first telescopic arm 10 and a second telescopic arm 20 capable of moving relatively, which are installed on the engineering machinery, and a corresponding oil cylinder is provided to drive the first telescopic arm 10 and the second telescopic arm 20 to move relatively, in the embodiment, the second telescopic arm 20 is sleeved outside the first telescopic arm 10. The outer wall of the second telescopic arm 20 is provided with a guide frame 30, the guide frame 30 extends from one end to the other end of the second telescopic arm 20 in the length direction, an accommodating space 34 for accommodating a conduit is formed in the guide frame 30, a guide rail is arranged in the accommodating space 34, the telescopic boom further comprises a movable frame 40 capable of moving in the accommodating space 34, the movable frame 40 is arranged on the outer wall of the first telescopic arm 10, the movable frame 40 extends from one end to the other end of the first telescopic arm 10 in the length direction, a guide pin 41 capable of moving on the guide rail is arranged on the movable frame 40, a first connecting piece is arranged on the movable frame 40, a second connecting piece is arranged at the lower end of the guide frame 30, the first connecting piece and the second connecting piece are arranged along the length direction of the guide frame 30, the two ends of the guide frame 30 in the length direction are respectively a first end 301 and a second end 302, one end of the conduit is arranged on the first connecting piece corresponding to the first end 301 of the guide frame 30, the other end of the conduit is mounted on the second connector corresponding to the second end 302 of the guide frame 30, the portion of the conduit between the first connector and the second connector is wound on the guide pin 41, as shown in fig. 3 of the specification, one end of the conduit is connected to the left and right ends of the first connector, and then the conduit is wound on the guide pin 41, extends to the right end of the accommodating space 34, and is connected to the right end of the second connector.

In a preferred embodiment of the present invention, the guide pin 41 is provided with a guide wheel 42, the guide pin 41 is disposed in a horizontal direction, the guide wheel 42 is rotatably provided on the guide pin 41, and the spool is wound around the guide wheel 42.

As a preferred embodiment of the present invention, the conduit pipe is a soft oil pipe 53, the first connecting member is a first hard pipe 51, the second connecting member is a second hard pipe 52, the first hard pipe 51 and the second hard pipe 52 can be, for example, stainless steel pipes, both ends of the soft oil pipe 53 are respectively connected to the first hard pipe 51 and the second hard pipe 52, specifically, the soft oil pipe 53 can be connected to the first hard pipe 51 and the second hard pipe 52 through a connector, at this time, the first hard pipe 51 and the second hard pipe 52 are communicated with the soft oil pipe 53 as an oil passage, and since there is no problem of looseness in the first hard pipe 51 and the second hard pipe 52, the first hard pipe 51 and the second hard pipe 52 do not need to be provided with a drag chain for dragging, the occupied space is small, and the device is more durable and can adapt to a complex environment. In addition, as long as the soft oil pipe 53 between the first hard pipe 51 and the second hard pipe 52 needs to be dragged, the drag resistance can be reduced by matching the guide pin 41 and the guide wheel 42.

As a preferable embodiment of the present invention, the movable frame 40 includes a first vertical plate 31, a second vertical plate 32, and a flat plate 33, both the first vertical plate 31 and the second vertical plate 32 are disposed along a vertical direction, one end of the flat plate 33 is connected to a lower end of the first vertical plate 31, the other end of the flat plate 33 is connected to a lower end of the second vertical plate 32, the first vertical plate 31 is higher than the second vertical plate 32 with reference to the flat plate 33, the guide rail includes a first guide rail 35 and a second guide rail 36, the first guide rail 35 is disposed on the first vertical plate 31, the second guide rail 36 is disposed on the second vertical plate 32, and both ends of the guide pin 41 are respectively erected on the first guide rail 35 and the second guide rail 36. The first guide rail 35, the second guide rail 36, the first vertical plate 31, the second vertical plate 32 and the flat plate 33 enclose a channel for supporting the soft oil pipe 53, and the channel extends along the length direction of the guide frame 30.

In a preferred embodiment of the present invention, the movable frame 40 includes a support plate 43 and a connecting frame 44 provided at a lower end of the support plate 43, the support plate 43 is horizontally disposed, and the guide pin 41 is rotatably provided on the connecting frame 44.

The product form of the present invention is not limited to the embodiments, and any suitable changes or modifications of the similar ideas by anyone should be considered as not departing from the patent scope of the present invention.

Claims

1. Flexible arm activity spool guiding mechanism, including the flexible arm of first flexible arm and second of relative movement, its characterized in that: install the leading truck on the outer wall of the flexible arm of second, form the accommodation space that is used for accepting the spool in the leading truck, be equipped with the guide rail in the accommodation space, still include the adjustable shelf that can move about in the accommodation space, the adjustable shelf is installed on the outer wall of first flexible arm, be equipped with the uide pin that can remove on the guide rail on the adjustable shelf, be equipped with first connecting piece on the adjustable shelf, the second connecting piece is installed to the lower extreme of leading truck, first connecting piece and second connecting piece are all laid along the length direction of leading truck, the leading truck is established to first end and second end along the both ends of length direction, the first end that the one end of spool corresponds the leading truck is installed on first connecting piece, the second end that the other end of spool corresponds the leading truck is installed on the second connecting piece, the spool is around establishing on the uide pin in the part between first connecting piece and the second connecting piece.

2. The telescopic arm movable conduit guiding mechanism according to claim 1, wherein: be equipped with the leading wheel on the uide pin, the uide pin sets up along the horizontal direction, and the leading wheel rotationally sets up on the uide pin, the spool is around establishing on the leading wheel.

3. The telescopic arm movable conduit guiding mechanism according to claim 2, wherein: the spool is soft oil pipe, first connecting piece is first hard pipe, the second connecting piece is the second hard pipe, soft oil pipe's both ends respectively with first hard pipe and second hard union coupling.

4. The telescopic arm movable conduit guiding mechanism according to claim 3, wherein: the adjustable shelf includes first riser, second riser and flat board, and first riser and second riser all set up along vertical direction, and dull and stereotyped one end is connected with the lower extreme of first riser, and dull and stereotyped other end is connected with the lower extreme of second riser to the flat board is the benchmark, and first riser height is higher than the second riser height the guide rail includes first guide rail and second guide rail, and first guide rail setting is on first riser, and the second guide rail setting is on the second riser, erect respectively on first guide rail and second guide rail at the both ends of uide pin.

5. The telescopic arm movable conduit guiding mechanism according to claim 4, wherein: the movable frame comprises a supporting plate and a connecting frame arranged at the lower end of the supporting plate, the supporting plate is arranged along the horizontal direction, and the guide pin is rotatably arranged on the connecting frame.

6. The telescopic arm movable conduit guiding mechanism according to claim 5, wherein: the leading truck extends to the other end from the one end of the flexible arm length direction of second, the adjustable shelf is followed the one end of the flexible arm length direction of first extends to the other end.