CN211779677U

CN211779677U - General ware placed in middle of pipe diameter self-adaptation

Info

Publication number: CN211779677U
Application number: CN201922410009.0U
Authority: CN
Inventors: 文波; 何开俊
Original assignee: Sichuan Hongyun Shuntong Environmental Protection Engineering Co ltd
Current assignee: Sichuan Hongyun Shuntong Environmental Protection Engineering Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-10-27
Anticipated expiration: 2029-12-28

Abstract

The utility model relates to an industrial technology field just discloses a general ware placed in middle of pipe diameter self-adaptation, including the connecting wire, the left side fixed mounting of connecting wire has the head rod, the left side fixed mounting of head rod has the second connecting rod. This general ware placed in middle of pipe diameter self-adaptation, through setting up the head rod, when the device operation is met the article that the pipe wall glued and is covered, the gyro wheel is inside side motion under the relative action, the arm rotates round first free bearing before driving, expanding spring is compressed, leading wall is along expanding spring's shrink direction, enter into two limiting plate diameters, the spliced pole removes along the slide opening, and the spliced pole forms slant decurrent pressure to the curb plate, it rotates round second free bearing to promote the curb plate, it is folding to drive connecting plate and curb plate inboard, and supplementary support arm is along with the connecting plate remove and the distance between the pipe wall reduces, final auxiliary wheel and pipe wall contact, assist formation support to the gyro wheel, the purpose of stably preventing equipment from rocking has been reached.

Description

General ware placed in middle of pipe diameter self-adaptation

Technical Field

The utility model relates to an industrial technology field specifically is a general ware placed in middle of pipe diameter self-adaptation.

Background

In many industrial fields, the inside of a pipeline, a container or a cavity needs to be detected to know the inside condition, and such detection generally adopts a crawler trolley to carry detection instruments such as video, ultrasound, thickness measurement and eddy current to enter the inside of the pipeline, the container or the cavity and transmit detected information to the outside, wherein the video detection instrument is the most common equipment and can more directly transmit images inside an environment to be detected to the outside.

According to chinese patent CN 208141046U an industrial endoscope for vertical pipeline, the device ware placed in the middle can guarantee the holistic stability of endoscope, and under telescopic machanism and supporting mechanism's assistance, adapt to the pipeline of different diameters size, but the telescopic machanism and the supporting mechanism of device ware placed in the middle only set up both sides about the device, support the walking with the pipe wall single-point contact, rock about appearing very easily, and the article that glues and cover on the pipe wall is touchhed to preceding collateral branch fagging, drive back collateral branch and pipe wall separation, the stability of device is worse like this, we have proposed a general ware placed in the middle of pipe diameter self-adaptation in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a general ware placed in middle of pipe diameter self-adaptation possesses advantages such as prevent that equipment from rocking, and the telescopic machanism and the supporting mechanism of having solved the device ware placed in the middle only set up both sides about the device, support the walking with pipe wall single-point contact, rock about appearing very easily to the article that glues the cover on the pipe wall are run into to preceding collateral branch fagging and are pushed down, drive back collateral branch fagging and pipe wall separation, the more poor problem of stability of device like this.

(II) technical scheme

In order to realize the above-mentioned purpose of preventing that equipment from rocking, the utility model provides a following technical scheme: a tube diameter self-adaptive universal centering device comprises a connecting wire, wherein a first connecting rod is fixedly arranged on the left side of the connecting wire, a second connecting rod is fixedly arranged on the left side of the first connecting rod, two first free bearings are fixedly arranged on the outer side wall of the first connecting rod, a front support arm is movably arranged inside the first free bearings, rollers are movably arranged at one ends, away from the first free bearings, of the front support arm, two second free bearings are fixedly arranged on the outer side wall of the second connecting rod, four limiting plates are fixedly arranged on the outer side wall of the second connecting rod, a telescopic spring positioned between two adjacent limiting plates is fixedly arranged between the front support arm and the front support arm of the second connecting rod, two side plates are movably arranged inside the second free bearings, a sliding hole is formed inside the side plates, and a connecting column with one end extending to the inside of the sliding hole is fixedly arranged on the front side and the back side of the front support arm, adjacent two it has the center pin to peg graft between the curb plate, the connecting plate has been cup jointed to the lateral wall of center pin, the lateral wall fixed mounting of head rod has the third hinge seat with connecting plate swing joint, one side fixed mounting that connecting plate and head rod carried on the back mutually has supplementary support arm, the one end fixed mounting that the connecting plate was kept away from to supplementary support arm has the auxiliary wheel, the lateral wall fixed mounting of second connecting rod has quantity to be two guiding mechanism.

Preferably, the front support arms and the guide mechanism are alternately arranged at equal intervals, and the included angle between the first hinge seat and the guide mechanism is ninety degrees.

Preferably, the distance between the two limiting plates is greater than the width of the front support arm, the limiting plates are arc plates, and the limiting plates are coated on the outer sides of the telescopic springs.

Preferably, a through hole is formed in the connecting plate, and the third hinged support is connected with the through hole in a sliding mode.

Preferably, the distance between the auxiliary wheel and the first connecting rod is smaller than the absolute distance between the roller and the first connecting rod, and the auxiliary wheel is matched with the roller.

Preferably, guiding mechanism includes side free bearing, back support arm, reset spring and side direction gyro wheel, the lateral wall fixed mounting of second connecting rod has the side free bearing that quantity is two, the inside movable mounting of side free bearing has back support arm, fixed mounting has reset spring between back support arm and the second connecting rod, the one end fixed mounting that the side free bearing was kept away from to the back support arm has the side direction gyro wheel.

(III) advantageous effects

Compared with the prior art, the utility model provides a general ware placed in middle of pipe diameter self-adaptation possesses following beneficial effect:

the pipe diameter self-adaptive universal centering device is provided with the first connecting rod, when the device runs and touches objects stuck on the pipe wall, the roller moves inwards under the relative action to drive the front support arm to rotate around the first hinged support, the telescopic spring is compressed, the front wall enters the diameters of the two limit plates along the contraction direction of the telescopic spring, the connecting column moves along the sliding hole, the connecting column forms downward pressure on the side plate to push the side plate to rotate around the second hinge seat to drive the connecting plate and the side plate to fold inwards, the distance between the auxiliary support arm and the pipe wall is reduced along with the movement of the connecting plate, and finally the auxiliary wheel is contacted with the pipe wall, the roller is supported by the auxiliary roller, the front support arm is stably pressed down by the aid of the limiting plate, and the auxiliary wheel is driven to be attached to and supported by the pipe wall, so that supporting points and contact area are increased, and the purpose of stably preventing the equipment from shaking is achieved.

Drawings

FIG. 1 is a front view of the structure of the present invention;

fig. 2 is an enlarged view of the structure at a position of the present invention.

In the figure: the device comprises a connecting wire 1, a first connecting rod 2, a second connecting rod 3, a first hinge seat 4, a front support arm 5, a roller 6, a second hinge seat 7, a limiting plate 8, a telescopic spring 9, a side plate 10, a sliding hole 11, a connecting column 12, a central shaft 13, a connecting plate 14, a third hinge seat 15, an auxiliary support arm 16, an auxiliary wheel 17 and a guide mechanism 18.

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.

Referring to fig. 1-2, a tube diameter self-adaptive universal centering device includes a connecting wire 1, a first connecting rod 2 is fixedly installed on the left side of the connecting wire 1, a second connecting rod 3 is fixedly installed on the left side of the first connecting rod 2, two first hinge seats 4 are fixedly installed on the outer side wall of the first connecting rod 2, a front support arm 5 is movably installed inside the first hinge seats 4, a roller 6 is movably installed at one end of the front support arm 5 away from the first hinge seats 4, two second hinge seats 7 are fixedly installed on the outer side wall of the second connecting rod 3, four limiting plates 8 are fixedly installed on the outer side wall of the second connecting rod 3, a telescopic spring 9 located between two adjacent limiting plates 8 is fixedly installed between the second connecting rod 3 and the front support arm 5, the distance between the two limiting plates 8 is greater than the width of the front support arm 5, and the limiting plates 8 are arc plates, the limiting plate 8 is coated outside the telescopic spring 9, two side plates 10 are movably mounted inside the second hinged support 7, a sliding hole 11 is formed inside each side plate 10, connecting columns 12 with one ends extending into the sliding holes 11 are fixedly mounted on the front surface and the back surface of the front support arm 5, a central shaft 13 is inserted between every two adjacent side plates 10, a connecting plate 14 is sleeved on the outer side wall of the central shaft 13, a third hinged support 15 movably connected with the connecting plate 14 is fixedly mounted on the outer side wall of the first connecting rod 2, a through hole is formed inside the connecting plate 14, the third hinged support 15 is in sliding connection with the through hole, an auxiliary support arm 16 is fixedly mounted on one side, opposite to the first connecting rod 2, of the connecting plate 14, an auxiliary wheel 17 is fixedly mounted at one end, away from the connecting plate 14, of the auxiliary support arm 16, the distance between the auxiliary wheel 17 and the first connecting, the auxiliary wheel 17 is matched with the roller 6, two guide mechanisms 18 are fixedly arranged on the outer side wall of the second connecting rod 3, the front support arm 5 and the guide mechanisms 18 are arranged alternately at equal intervals, the included angle between the first hinged support 4 and the guide mechanisms 18 is ninety degrees, each guide mechanism 18 comprises a side hinged support, a rear support arm, a reset spring and a lateral roller, two side hinged supports are fixedly arranged on the outer side wall of the second connecting rod 3, the rear support arm is movably arranged in the side hinged supports, the reset spring is fixedly arranged between the rear support arm and the second connecting rod 3, the lateral roller is fixedly arranged at one end of the rear support arm far away from the side hinged supports, through the arrangement of the first connecting rod 2, when the device runs and touches an object stuck on the pipe wall, the roller 6 moves inwards under the relative action to drive the front support arm 5 to rotate around the first hinged support 4, the telescopic spring 9 is compressed, the front support wall 5 is along the contraction direction of the telescopic spring, enter into two 8 diameters of limiting plate, spliced pole 12 removes along slide opening 11, and spliced pole 12 forms oblique decurrent pressure to curb plate 11, promote curb plate 10 and rotate round second free bearing 7, it is folding to drive connecting plate 14 and curb plate 10 inboard, and supplementary support arm 16 removes along with connecting plate 14 and the distance between the pipe wall reduces, final auxiliary wheel 17 and pipe wall contact, it supports to assist formation to gyro wheel 6, through such a mode, preceding support arm 5 is under limiting plate 8's assistance, stably push down, and drive auxiliary wheel 17 and pipe wall laminating support, increase strong point and area of contact, the purpose of stably preventing equipment from rocking has been reached.

In summary, by arranging the first connecting rod 2, when the device runs and touches an article stuck on the tube wall, the roller 6 moves inwards under the relative action to drive the front support arm 5 to rotate around the first hinge base 4, the telescopic spring 9 is compressed, the front wall 5 enters the diameters of the two limit plates 8 along the contraction direction of the telescopic spring 9, the connecting column 12 moves along the sliding hole 11, the connecting column 12 forms downward oblique pressure on the side plate 11 to push the side plate 10 to rotate around the second hinge base 7 to drive the connecting plate 14 and the side plate 10 to fold inwards, the auxiliary support arm 16 reduces the distance between the connecting plate 14 and the tube wall along with the movement of the connecting plate, finally the auxiliary wheel 17 contacts the tube wall to assist the roller 6 to form a support, and by such a way, the front support arm 5 stably presses downwards under the assistance of the limit plate 8 and drives the auxiliary wheel 17 to be attached to the tube wall to support, increase strong point and area of contact, reached and stably prevented the purpose that equipment rocked, the telescopic machanism and the supporting mechanism of having solved the device ware placed in the middle only set up both sides about the device, support the walking with pipe wall single-point contact, rock about appearing very easily to the article that glues the cover on the pipe wall are run into to the preceding collateral branch fagging pushes down, drives the separation of back collateral branch fagging and pipe wall, the more poor problem of stability of device like this.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a general ware placed in middle of pipe diameter self-adaptation, includes connecting wire (1), its characterized in that: the connecting wire comprises a connecting wire (1), a first connecting rod (2) is fixedly mounted on the left side of the connecting wire (1), a second connecting rod (3) is fixedly mounted on the left side of the first connecting rod (2), a first hinged support (4) with two quantities is fixedly mounted on the outer side wall of the first connecting rod (2), a front support arm (5) is movably mounted inside the first hinged support (4), rollers (6) are movably mounted at one end, away from the first hinged support (4), of the front support arm (5), a second hinged support (7) with two quantities is fixedly mounted on the outer side wall of the second connecting rod (3), limiting plates (8) with four quantities are fixedly mounted on the outer side wall of the second connecting rod (3), telescopic springs (9) located between two adjacent limiting plates (8) are fixedly mounted between the second connecting rod (3) and the front support arm (5), and side plates (10) with two quantities are movably mounted inside the second hinged support (7), slide opening (11) have been seted up to the inside of curb plate (10), the front of preceding support arm (5) and the equal fixed mounting in the back have one end to extend to inside spliced pole (12) of slide opening (11), adjacent two it has center pin (13) to peg graft between curb plate (10), connecting plate (14) have been cup jointed to the lateral wall of center pin (13), the lateral wall fixed mounting of head rod (2) has third free bearing (15) with connecting plate (14) swing joint, one side fixed mounting that connecting plate (14) and head rod (2) carried on the back mutually has supplementary support arm (16), the one end fixed mounting that connecting plate (14) were kept away from in supplementary support arm (16) has auxiliary wheel (17), the lateral wall fixed mounting of second connecting rod (3) has guiding mechanism (18) that quantity is two.

2. The adaptive universal centralizer of claim 1, wherein: the front support arms (5) and the guide mechanisms (18) are alternately arranged at equal intervals, and the included angle between the first hinged support (4) and the guide mechanisms (18) is ninety degrees.

3. The adaptive universal centralizer of claim 1, wherein: two distance between limiting plate (8) is greater than the width of preceding support arm (5), limiting plate (8) are the circular arc board, limiting plate (8) cladding is in expanding spring (9) outside.

4. The adaptive universal centralizer of claim 1, wherein: a through hole is formed in the connecting plate (14), and the third hinged support (15) is connected with the through hole in a sliding mode.

5. The adaptive universal centralizer of claim 1, wherein: the distance between the auxiliary wheel (17) and the first connecting rod (2) is smaller than the absolute distance between the roller (6) and the first connecting rod (2), and the auxiliary wheel (17) is matched with the roller (6).

6. The adaptive universal centralizer of claim 1, wherein: guiding mechanism (18) are including side free bearing, back support arm, reset spring and side direction gyro wheel, the lateral wall fixed mounting of second connecting rod (3) has quantity to be two side free bearing, the inside movable mounting of side free bearing has back support arm, fixed mounting has reset spring between back support arm and second connecting rod (3), the one end fixed mounting that the side free bearing was kept away from to the back support arm has the side direction gyro wheel.