CN219075480U

CN219075480U - Driving mechanism for internal alignment device

Info

Publication number: CN219075480U
Application number: CN202223567129.XU
Authority: CN
Inventors: 何毅仁; 陈相彪; 高跃光; 李雅琼; 王策; 魏军梅
Original assignee: Luoyang Hengda Machinery Technology Co ltd
Current assignee: Luoyang Hengda Machinery Technology Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-05-26
Anticipated expiration: 2032-12-31

Abstract

A driving mechanism for an all-terrain remote control inner butt joint device relates to the technical field of pipeline butt joint, and comprises a driving wheel, a telescopic cylinder, a transmission case and a driving device; swing arms are hinged to two ends of the transmission case, a telescopic cylinder for controlling the two swing arms to expand outwards or contract inwards is arranged between one ends of the two swing arms, which deviate from the transmission case, of the two swing arms, and a driving wheel capable of contacting with the inner wall of the pipeline is rotatably connected to one end of the swing arm, which deviates from the transmission case; the transmission box is internally provided with two transmission shafts for respectively driving the two driving wheels, one side of the transmission box, which is away from the telescopic cylinder, is provided with a driving device for driving the transmission shafts, and the driving device is correspondingly in transmission connection with the two transmission shafts through a differential mechanism; compared with the traditional top driving mode, the climbing capacity is effectively improved; the driving device transmits power to the two driving wheels through the differential mechanism, and unexpected blocking can be avoided when the pipeline bends.

Description

Driving mechanism for internal alignment device

Technical Field

The utility model relates to the technical field of pipeline butt joint, in particular to a driving mechanism for an internal butt joint device.

Background

The internal centering device is an important auxiliary tool in pipeline construction, and can effectively center the joint of two pipelines; the inner butt-joint device moves along the inner wall of the pipeline during construction, and usually encounters a climbing section and a bending section during field construction, but the existing inner butt-joint device has poor climbing capability and is easy to be blocked at the bending section;

chinese patent (publication No. CN 203092058U) discloses an in-pipeline mouth alignment device, which is characterized in that the in-pipeline mouth alignment device is driven by electricity to be placed in a pipeline, then a motor is started, the motor transmits power to a gear box, an output shaft of the gear box, which is connected with a screw rod lifter, rotates to drive the screw rod lifter to work, and a lifting end is jacked up, so that an auxiliary roller and a first driving roller are tightly pressed on the inner wall of the pipeline; although the driving mode can well cope with the bent section of the pipeline, the climbing capacity is poor, and the full-terrain operation cannot be realized.

Disclosure of Invention

In order to overcome the defect that the existing internal butt-joint device has poor climbing capability and is easy to be blocked at a bending section in the background technology, the utility model discloses a driving mechanism for the internal butt-joint device.

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

a driving mechanism for an internal butt joint device comprises a driving wheel, a telescopic cylinder, a right-angle transmission case and a driving device; the output end of the driving device is in transmission connection with a differential mechanism, two output ends of the differential mechanism are in transmission connection with a right-angle transmission case, the right-angle transmission case is hinged with a swing arm, a telescopic cylinder for controlling the two swing arms to expand outwards or shrink inwards is arranged between one ends of the two swing arms, which deviate from the right-angle transmission case, of the two swing arms, and one ends of the swing arms, which deviate from the right-angle transmission case, of the two swing arms are rotationally connected with driving wheels; the output end of the right-angle gearbox is correspondingly in driving connection with the corresponding driving wheel.

Preferably, the driving wheel comprises a wheel shaft which is correspondingly and rotatably connected with the swing arm, and the two ends of the wheel shaft are coaxially and fixedly connected with idler wheels.

Preferably, the wheel axle is correspondingly in driving connection with the output end of the right-angle gearbox through a chain transmission mechanism or a synchronous belt transmission mechanism.

Preferably, the roller wheel rim is coated with a conical rubber tire which can be correspondingly adapted to the inner wall of the pipeline.

Preferably, both ends of the telescopic cylinder are correspondingly hinged with the corresponding swing arms through buffer devices, each buffer device comprises a guide sleeve, one end of each guide sleeve is correspondingly and coaxially fixedly connected with the telescopic cylinder, each guide sleeve is movably inserted with a guide rod, one end of each guide rod extending out of each guide sleeve is correspondingly hinged with the corresponding swing arm, and a spring corresponding to the insertion end of each guide rod is arranged in each guide sleeve.

Preferably, the telescopic cylinder is a hydraulic cylinder, and the driving device is a hydraulic motor with a brake.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

the driving mechanism for the internal aligning device disclosed by the utility model has the advantages that the structure is simple, the use is convenient, the two swing arms can be outwards expanded through the extension of the telescopic cylinder during walking, so that the two driving wheels can be respectively and correspondingly clung to the inner walls at two sides of a pipeline, the walking driving is realized, and meanwhile, the climbing capacity is effectively improved compared with the traditional top driving mode; the driving device transmits power to the right-angle transmission case through the differential mechanism, the two right-angle transmission cases respectively drive the two driving wheels to rotate, and the inner butt joint device can smoothly turn under the action of the differential mechanism when the pipeline bends, so that unexpected blocking is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of the present utility model;

fig. 3 is a schematic structural view of the buffering device.

In the figure: 1. a driving wheel; 1-1, a wheel shaft; 1-2, idler wheels; 1-3, a conical rubber tire; 2. a telescopic cylinder; 3. a right angle transmission case; 4. a driving device; 5. swing arms; 6. a differential; 7. a buffer device; 7-1, a guide sleeve; 7-2, a guide rod; 7-3, a spring.

Detailed Description

The present utility model will be explained in detail by the following examples, and the purpose of the present utility model is to protect all technical improvements within the scope of the present utility model, and in the description of the present utility model, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., only correspond to the drawings of the present application, and in order to facilitate description of the present utility model, it is not necessary to indicate or imply that the apparatus or element referred to has a specific orientation.

1-3, a driving mechanism for an internal aligning device comprises a driving wheel 1, a telescopic cylinder 2, a right-angle transmission case 3 and a driving device 4; the output end of the driving device 4 is in transmission connection with a differential mechanism 6, two output ends of the differential mechanism 6 are in transmission connection with a right-angle transmission case 3, namely, the driving device 4 transmits power to the right-angle transmission case 3 through the differential mechanism 6, the right-angle transmission case 3 is hinged with swing arms 5, a telescopic cylinder 2 for controlling the two swing arms 5 to expand outwards or shrink inwards is arranged between one ends of the two swing arms 5, which deviate from the right-angle transmission case 3, of the two swing arms 5, one ends of the swing arms 5, which deviate from the right-angle transmission case 3, are rotationally connected with driving wheels 1, the right-angle transmission case 3 drives the two driving wheels 1 to rotate, and smooth turning of the inside of the right-angle transmission case can be ensured under the action of the differential mechanism 6 when a pipeline is bent, so that accidental blocking is avoided; when walking, the telescopic cylinder 2 can be extended to enable the two swing arms 5 to be outwards expanded, so that the two driving wheels 1 can be respectively and correspondingly clung to the inner walls of the two sides of the pipeline, walking driving is realized, and meanwhile, compared with a traditional top driving mode, the climbing capacity is effectively improved;

in addition, the driving wheel 1 comprises a wheel shaft 1-1 which is correspondingly and rotatably connected with the swing arm 5, the two ends of the wheel shaft 1-1 are coaxially and fixedly connected with a roller 1-2, the wheel shaft 1-1 is correspondingly and drivingly connected with the output end of the right-angle gearbox 3 through a chain transmission mechanism or a synchronous belt transmission mechanism, and the driving wheel is simple in structure and convenient to assemble; the rim of the roller 1-2 is coated with a conical rubber tire 1-3 which can be correspondingly matched with the inner wall of the pipeline, so that the contact area with the inner wall of the pipeline can be effectively increased, and the climbing capacity is further improved;

the two ends of the telescopic cylinder 2 are correspondingly hinged with the corresponding swing arms 5 through the buffer device 7, the buffer device 7 comprises a guide sleeve 7-1, one end of the guide sleeve 7-1 is correspondingly and coaxially and fixedly connected with the telescopic cylinder 2, the guide rod 7-2 is movably inserted into the guide sleeve 7-1, one end of the guide rod 7-2 extending out of the guide sleeve 7-1 is correspondingly hinged with the corresponding swing arms 5, a spring 7-3 which is correspondingly abutted against the insertion end of the guide rod 7-2 is arranged in the guide sleeve 7-1, the driving wheel 1 can be effectively ensured to be correspondingly abutted against the inner wall of a pipeline through the elasticity of the spring 7-3, meanwhile, the guide sleeve can adapt to pipelines with various different diameters, and the situation that the driving wheel 1 is stressed too much to reduce the service life or accidental damage can be avoided; the telescopic cylinder 2 is a hydraulic cylinder, can provide enough expansion force, the driving device 4 is a hydraulic motor with a brake, can provide enough driving force, and can lock the driving device 4 through the brake during stopping, so as to lock the driving wheel 1, thereby realizing the purpose of braking.

When the driving mechanism for the internal butt joint device is used, the two swing arms 5 can be outwards expanded through the extension of the telescopic cylinder 2 during walking, so that the two driving wheels 1 can be respectively and correspondingly clung to the inner walls of the two sides of a pipeline; the driving device 4 transmits power to the right-angle gearbox 3 through the differential mechanism 6, the two right-angle gearboxes 3 respectively drive the two driving wheels 1 to rotate, the smooth turning in the inner centering device can be ensured under the action of the differential mechanism 6 when the pipeline is bent, the unexpected blocking is avoided, the driving device 4 can be locked through the electromagnetic braking device when the machine is stopped, the driving wheels 1 are further locked, and the purpose of braking is realized.

The utility model has not been described in detail in the prior art, and it is apparent to those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and all changes coming within the meaning and range of equivalency are intended to be embraced therein.

Claims

1. An internal orifice-aligning drive mechanism is characterized in that: comprises a driving wheel (1), a telescopic cylinder (2), a right-angle transmission case (3) and a driving device (4); the output end of the driving device (4) is in transmission connection with a differential mechanism (6), two output ends of the differential mechanism (6) are in transmission connection with a right-angle transmission case (3), the right-angle transmission case (3) is hinged with a swing arm (5), a telescopic cylinder (2) for controlling the two swing arms (5) to expand outwards or shrink inwards is arranged between one ends of the two swing arms (5) deviating from the right-angle transmission case (3), and one ends of the swing arms (5) deviating from the right-angle transmission case (3) are rotationally connected with driving wheels (1); the output end of the right-angle transmission case (3) is correspondingly in driving connection with the corresponding driving wheel (1).

2. The drive mechanism for an internal pair of mouth parts according to claim 1, wherein: the driving wheel (1) comprises a wheel shaft (1-1) which is correspondingly and rotatably connected with the swing arm (5), and the two ends of the wheel shaft (1-1) are coaxially and fixedly connected with idler wheels (1-2).

3. The drive mechanism for an internal pair of mouth parts according to claim 2, wherein: the wheel axle (1-1) is correspondingly and drivingly connected with the output end of the right-angle transmission case (3) through a chain transmission mechanism or a synchronous belt transmission mechanism.

4. The drive mechanism for an internal pair of mouth parts according to claim 2, wherein: the rim of the roller (1-2) is coated with a conical rubber tire (1-3) which can be correspondingly matched with the inner wall of the pipeline.

5. The drive mechanism for an internal pair of mouth parts according to claim 1, wherein: the telescopic cylinder (2) both ends all correspond articulated through buffer (7) and corresponding swing arm (5), buffer (7) contain one end and telescopic cylinder (2) correspond coaxial fastening connection's uide bushing (7-1), and uide bushing (7-1) activity is pegged graft has guide bar (7-2), and the one end that uide bar (7-2) stretches out uide bushing (7-1) corresponds articulated with corresponding swing arm (5), is equipped with in uide bushing (7-1) with uide bar (7-2) insert end correspond spring (7-3) of contradicting.

6. The drive mechanism for an internal pair of mouth parts according to claim 1, wherein: the telescopic cylinder (2) is a hydraulic cylinder, and the driving device (4) is a hydraulic motor with a brake.