CN106482678B

CN106482678B - Carrying device and hole detection system

Info

Publication number: CN106482678B
Application number: CN201510830625.5A
Authority: CN
Inventors: 赵斌; 陈新春; 齐伟
Original assignee: Construction Machinery Branch of XCMG
Current assignee: Construction Machinery Branch of XCMG
Priority date: 2015-11-25
Filing date: 2015-11-25
Publication date: 2020-01-10
Anticipated expiration: 2035-11-25
Also published as: CN106482678A

Abstract

The invention discloses a carrying device and a hole detection system, relates to the field of engineering machinery, and is used for self-adapting to the aperture of a deep long hole. The carrying device comprises a supporting part and an accommodating part used for accommodating the detection element, wherein the supporting part is movably connected with the accommodating part, and the supporting part can change the distance between the supporting part and the accommodating part under the extrusion of the inner wall of the hole to be detected. Above-mentioned technical scheme is through swing joint support component on the holding part for the deep slot hole in different apertures can not only be placed to the delivery device, also can be placed in the deep slot hole of reducing. The detection element can be carried by the accommodating part to realize the detection of the information in the hole. The carrying device has the advantages of wide application range, convenience in adjustment and flexibility in self-adaptation.

Description

Carrying device and hole detection system

Technical Field

The invention relates to the field of engineering machinery, in particular to a carrying device and a hole detection system.

Background

The deep and long holes are one of the most widely applied surfaces in the mechanical industry. Due to the lack of detection means, the manufacturing precision of the product is ensured by mainly relying on processing equipment in the early stage, and the improvement of the product quality is severely limited. In recent years, with the progress of technology, the deep and long hole processing industry has been exploring ways to detect manufacturing accuracy such as straightness, roundness, and parallelism of deep and long holes. How to transmit the hole information to the detection unit and make the detection unit move smoothly in the hole is a key technical problem which needs to be solved urgently by the technical personnel in the field.

At present, the deep hole straightness detection is relatively few in published reports and documents. The results of foreign research in this area are essentially kept secret. The research units of China, such as the university of north and middle, the university of Changchun and the like, develop experimental research on the aspect of straightness detection of deep holes, obtain some research achievements, and mainly comprise the following patents and papers:

1. patent 201310098432.6 (a hole axis straightness laser inspection device);

2. patent 201310098451.9 (a vertical deep hole straightness laser detector);

3. patent 201310095876.4 (deep hole straightness laser detection method based on mathematical means);

4. patent 201310006580.0 (apparatus and method for coaxial optical detection of roundness and straightness of column holes);

5. mengxanhua in the republic of China, huge wisdom, Nile, Chenyao, deep hole axis line measurement was performed by a laser three-point method, mechanical design and study, 2013, 23 (6): 95 to 98 parts of;

6. mengxianghua, in the republic of china, ningli, wangxing, equivai, deep hole axis straightness detection device design and research, combined machine tool and automatic processing technology, 2013, (12): 68-70.

The in-hole carrying device disclosed in the above-mentioned patents 1-3 and articles 5-6 mainly comprises a spring, a wedge block, a leg, and a roller. When the straightness of the inner hole is detected, the rope pulls the wedge block to press the spring, and meanwhile, the conical surface of the wedge block drives the supporting leg to extend out in the radial direction of the hole, so that the roller is in contact with the inner wall of the hole, the roller is adaptive to the inner hole, and information of the inner hole is transmitted to the detection unit. The inventor finds that at least the following problems exist in the prior art:

1. the functions of adapting to the inner diameter change of the inner hole and collecting the information of the inner hole can be realized by applying force along the axial direction of the hole by an external thread rope, and detection errors are easily introduced;

2. the carrying mechanism has heavier integral mass, does not use the calibration work, is easy to crush the inner hole and is not suitable for industrialized application;

3. the carrying mechanism is only suitable for detecting the straightness of the inner hole, and the application range is small.

In the technical solution disclosed in patent document 4, the carrying mechanism is a measuring carriage, which cannot change with the change of the inner diameter of the inner hole, cannot effectively reflect the information of the inner hole, and the solution is not suitable for the detection of the manufacturing accuracy of the deep and long holes.

Disclosure of Invention

One objective of the present invention is to provide a carrying device and a hole inspection system for self-adapting the aperture of a deep and long hole.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a carrying device which is used for being placed inside a hole to be detected and comprises a supporting part and an accommodating part for accommodating a detection element, wherein the supporting part is movably connected with the accommodating part, and the supporting part can change the distance between the supporting part and the accommodating part under the extrusion of the inner wall of the hole to be detected.

In an alternative embodiment, the support member has a plurality of support portions, each of the support portions being spaced around the receiving member; or, the number of the supporting parts is multiple, and the supporting parts are arranged around the accommodating part at intervals.

In an optional embodiment, the supporting component is a roller, the supporting component is arranged on a variable amplitude wheel carrier, the variable amplitude wheel carrier is hinged on a vertical plate, and the vertical plate is fixedly connected with the accommodating component;

the vertical plate is provided with an elastic piece, and one end of the elastic piece, which is far away from the vertical plate, abuts against the amplitude-variable wheel carrier so as to abut against the roller wheel against the inner wall of the detection hole.

In an optional embodiment, the vertical plate is in a three-fork structure, the amplitude-variable wheel carrier is arranged at the top of each fork, and the amplitude-variable wheel carriers, the elastic part and the rollers are in one-to-one correspondence.

In an optional embodiment, the number of the vertical plates is two, and the vertical plates are respectively fixed with two end faces of the accommodating part.

In an alternative embodiment, the accommodating part is provided with a cavity for accommodating the detection element and a window for allowing the detection element to be placed in the cavity, and the vertical plate is provided with an opening communicated with the cavity.

In an alternative embodiment, the carrier further comprises a lock web member disposed adjacent to the spring;

when the carrying device is not in use, the amplitude-variable part is fixed with the vertical plate and the amplitude-variable wheel carrier; when the carrying device is in the using state, at least part of the lock breadth part is in the disassembling state.

In an optional embodiment, the carrier device further comprises a traction component, the traction component is connected with the supporting component or the accommodating component, and the traction component can drag the carrier device to move in the hole to be detected.

The invention also provides a hole detection system which comprises the carrying device provided by any technical scheme of the invention.

In an alternative embodiment, the hole detection system further comprises a detection element placed on or inside the housing part.

Based on the technical scheme, the embodiment of the invention can at least produce the following technical effects:

above-mentioned technical scheme, through swing joint support component on the holding part, support component can wait to detect the extrusion of downthehole wall and automatically change its and the holding part between the distance to make carrying device can not only place the deep slot hole in different apertures, also can place in the deep slot hole of reducing, with this aperture that realizes carrying device self-adaptation hole. The detection element can be carried by the accommodating part to realize the detection of the information in the hole. The carrying device has the advantages of wide application range, convenience in adjustment and flexibility in self-adaptation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

fig. 1 is a schematic perspective view of a carrying device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a carrier device disposed in a hole according to an embodiment of the present invention.

Reference numerals:

1. a transverse cylinder; 2. a variable amplitude wheel carrier; 3. a locking arm member;

4. a locking bolt; 5. a pin shaft; 6. a roller;

7. a pressure regulating screw; 8. a vertical plate; 9. a screw;

10. an elastic member; 11. positioning pins; 12. a hole to be detected;

101. a cavity; 102. a window; 801. and (4) opening.

Detailed Description

The technical solution provided by the present invention is explained in more detail with reference to fig. 1 to 2.

The embodiment of the invention provides a carrying device which is used for being placed inside a hole 12 to be detected. The hole to be detected 12 is preferably a deep long hole. The carrying device is suitable for detecting the straightness, the roundness, the parallelism and the like of the deep and long hole, and can accurately transmit the information of the inner hole to a part for realizing detection.

The carrying device comprises a supporting part and a containing part for containing the detection element, the supporting part is movably connected with the containing part, and the supporting part can change the distance between the supporting part and the containing part under the extrusion of the inner wall of the hole 12 to be detected.

The accommodating part can be a part with an accommodating groove and an accommodating cavity, such as a cylindrical structure and a frame structure. The accommodating cavity and the accommodating groove of the accommodating part can stably bear the detection element. The accommodating member in this embodiment is specifically a horizontal tube 1. The detecting element is a component for detecting the straightness, parallelism or roundness of the hole, such as a laser detector, a reflecting prism, a photosensitive element and the like, and a detector matched with the detecting element can be arranged outside the deep and long hole. For example, when the laser generator, the reflecting prism and the controller are used for detecting the straightness, the reflecting prism is arranged on the accommodating part, and the laser generator and the controller are arranged outside the deep and long hole.

The support member makes the accommodation member stably located inside the hole to be inspected 12. The supporting component is, for example, a roller structure, and the roller structure comprises a roller and a roller seat. The roller is arranged on a roller seat, and the roller seat is arranged on the transverse cylinder 1 through a spring or other elastic components. When the carrying device is placed in the hole 12 to be detected with a larger aperture, the compression amount of the spring is small, and the distance between the roller structure and the accommodating part is far. When the carrying device is placed in the hole 12 to be detected with a smaller hole diameter, the compression amount of the spring is large, and the distance between the roller and the accommodating part is short. When the deep long hole is the reducing hole, the carrying device moves in the deep long hole, the roller abuts against the inner wall of the deep long hole, and the spring can automatically contract to realize the self-adaption of the aperture of the hole 12 to be detected. The supporting component adopts a roller structure, so that the friction force between the carrying device and the inner wall of the hole 12 to be detected in the moving process can be reduced, and the supporting component is not limited to a roller, such as a rubber pad. Further implementations of the support member will be given later.

Above-mentioned technical scheme is through swing joint support component on the holding part for the delivery device can not only place the deep and long hole of the definite aperture in different apertures, also can place in the deep and long hole of reducing. The detection element may be carried by the housing part to enable detection of information within the hole, either alone or in combination with other components placed outside the hole 12 to be detected. The carrying device has the advantages of wide application range, convenience in adjustment and flexibility in self-adaptation.

In order to realize the stable support of the accommodating component by the supporting component, the supporting component preferably adopts a multi-point (two points or more) supporting mode, and the supporting component preferably has three or more contact positions with the inner wall of the hole 12 to be detected, so that the accommodating component does not shake in the hole 12 to be detected. The accommodating part is stably arranged in the hole, so that the accuracy of information detection in the hole can be improved.

The supporting member may be supported at multiple points on the inner wall of the hole 12 to be detected in two ways, and the supporting member has two or more supporting portions, each supporting portion is disposed at intervals around the accommodating member, for example, the supporting member has a structure with a plurality of branched tips, and each tip contacts with the inner wall of the hole 12 to be detected. Or the number of the supporting parts is two or more, and the supporting parts are arranged around the accommodating part at intervals.

Referring to fig. 1, in this embodiment, the supporting component is specifically a roller 6, the roller 6 is disposed on the amplitude variation wheel carrier 2, the amplitude variation wheel carrier 2 is hinged on the vertical plate 8, and the vertical plate 8 is fixedly connected to the accommodating component. Wherein, the riser 8 is provided with an elastic part, and one end of the elastic part far away from the riser 8 is propped against the amplitude variation wheel carrier 2. Under the action of the elastic piece, the amplitude variation wheel carrier 2 rotates around the hinged position of the amplitude variation wheel carrier and the vertical plate 8 to drive the roller 6 to rotate, so that the roller 6 is propped against the inner wall of the detection hole. After the carrying device is placed in the hole 12 to be detected, the compression amount of the elastic part can automatically adapt to the change of the aperture, and the carrying device can also adapt to the hole 12 to be detected.

The elastic member 10 is, for example, a spring. When the carrying device is not used, the elastic part pushes the amplitude variation wheel carrier 2 to rotate around the hinged position of the amplitude variation wheel carrier 2 and the vertical plate 8 until a balanced state is achieved. When the carrying device is placed inside the hole 12 to be detected, the inner wall of the hole 12 to be detected presses the roller 6, and the elasticity is compressed until the balance is reached. The process of achieving the balance is the process of self-adapting the inner diameter of the hole 12 to be detected by the carrying device.

Referring to fig. 1, in the present embodiment, the vertical plate 8 is a three-fork structure, the top of each fork is provided with an amplitude wheel carrier 2, and the amplitude wheel carriers 2, the elastic members and the rollers 6 are in one-to-one correspondence. The three forks of the vertical plate 8 are uniformly distributed, and as seen from the direction of fig. 2, the three forks of the vertical plate 8 are substantially uniformly distributed along the circumferential direction of the hole 12 to be detected, and the top end of each fork is provided with a luffing wheel carrier 2, an elastic element and a roller 6.

Referring to fig. 1, in the present embodiment, the accommodating part is provided with a cavity 101 for accommodating the detection element and a window 102 for allowing the detection element to be put into the cavity 101, and the vertical plate 8 is provided with an opening 801 communicating with the cavity 101. When detecting parallelism, roundness or straightness, laser light from an external laser is transmitted to the detection element in the cavity 101 through the opening 801. The detection element may transmit the detected signal to the controller by wireless transmission or the like. Of course, a data transmission line may be provided, and the data transmission line may extend out of the cavity 101 of the receiving part through the window 102.

Referring to fig. 1, in order to further increase the balance of the carrying device, two vertical plates 8 are provided, and are respectively fixed to two end surfaces of the accommodating part. Three rollers 6 are arranged on each vertical plate 8 through the amplitude variation wheel carrier 2.

Referring to fig. 1, the carrier further comprises a locking beam member 3, the locking beam member 3 being disposed adjacent to the elastic member. When the carrying device is not in use, the amplitude-locking component 3 is fixed with the vertical plate 8 and the amplitude-changing wheel carrier 2 at the same time. When the carrying device is in a use state, at least part of the amplitude-locking component 3 is in a disassembly state, namely the amplitude-locking component 3 is not fixed with the vertical plate 8 and is not fixed with the amplitude-changing wheel carrier 2. The locking part 3 is used to prevent the elastic part from losing or the carrying device from being damaged when the carrying device is not used. The locking beam part 3 may be embodied as a spacer.

In order to facilitate the movement of the carrier device in the hole 12 to be inspected, the carrier device further comprises a traction member (not shown in the figures) connected to the support member or the housing member, the traction member being able to draw the carrier device to move in the hole 12 to be inspected.

The traction component can be a rope, one end of the rope is fixed on one of the vertical plates 8, and the other end of the rope extends out of the hole 12 to be detected. The traction component can also be a chain, a rod or the like.

A specific embodiment is described below.

Referring to fig. 1, the invention relates to an in-hole self-adaptive carrying device, which comprises an accommodating component (specifically a transverse cylinder 1), an amplitude-variable wheel carrier 2, an amplitude-locking cushion block 3, an amplitude-locking bolt 4, a pin shaft 5, a roller 6, a pressure-regulating screw 7, a vertical plate 8, a screw 9, an elastic component 10, a positioning pin 11 and a hole 12 to be detected.

The transverse cylinder 1 is used for bearing detection units such as photosensitive elements, reflecting prisms and the like; the horizontal cylinder 1 is connected with the vertical plate 8 through a positioning pin 11 and a screw 9.

The amplitude variation wheel carrier 2 is used for supporting the roller 6, and the roller 6 is pressed on the inner wall of the hole under the action of the elastic element 10. The amplitude variation wheel carrier 2 is connected with the vertical plate 8 and the idler wheel 6 through a pin shaft 5.

The amplitude-locking cushion block 3 is used for locking the amplitude-changing wheel carrier 2 to act, and the amplitude-locking cushion block 3 is fixed through an amplitude-locking bolt 4. In a non-working state, the three amplitude locking cushion blocks 3 on each vertical plate 8 are in a locking state, so that the elastic part 10 is prevented from being lost and the carrying device is prevented from being damaged. In the straightness and roundness detection, the three amplitude locking cushion blocks 3 on each vertical plate 8 are all dismounted. In the parallelism detection, two of the amplitude-locking cushion blocks 3 on each vertical plate 8 are detached. Through the different combinations, the carrying device is self-adaptive to the inner hole according to the detection object, and the information of the inner hole is transmitted to the detection unit.

The vertical plates 8 are used for supporting the carrying device, and the two vertical plates 8 are in a parallel state, so that the rollers 6 are ensured to be respectively opposite to the circumferential position of the hole 12 to be detected.

The transverse cylinder 1, the amplitude variation wheel carrier 2 and the vertical plate 8 are all made of hard aluminum alloy materials so as to lighten the carrying device.

The carrying device provided by the technical scheme has the advantages of simple structure, easiness in realization, wide application range, convenience in adjustment, flexibility in self-adaptive action and more accurate inner hole information reflection.

Another embodiment of the present invention provides a hole detection system, including the carrying device provided in any one of the technical solutions of the present invention.

Further, the hole detection system further comprises a detection element, and the detection element is placed on the accommodating part or placed inside the accommodating part.

If the accommodating part is provided with the accommodating groove, the detection element is placed on the accommodating part. If the accommodating cavity is formed in the accommodating part, the detection element is placed in the accommodating part.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the scope of the present invention.

If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and unless otherwise stated the above words are not intended to have a special meaning.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A carrying device for placing inside a hole (12) to be detected, characterized in that it comprises a support part and a housing part for housing a detection element, said support part being able to vary its distance from said housing part under the compression of the inner wall of said hole (12) to be detected;

the accommodating part is provided with a cavity (101) for accommodating a detection element and a window (102) allowing the detection element to be placed in the cavity (101), and the detection element and other parts placed on the outer side of the hole to be detected jointly realize detection of information in the hole;

the supporting component is a roller (6), the supporting component is arranged on an amplitude variation wheel carrier (2), the amplitude variation wheel carrier (2) is hinged on a vertical plate (8), and the vertical plate (8) is fixedly connected with the accommodating component; an elastic piece is arranged on the vertical plate (8), and one end of the elastic piece, which is far away from the vertical plate (8), abuts against the amplitude variation wheel carrier (2);

the carrying device further comprises a lock amplitude part (3), and the lock amplitude part (3) is arranged near the elastic piece;

when the carrying device is not in use, the amplitude-variable part (3) is fixed with the vertical plate (8) and the amplitude-variable wheel carrier (2) at the same time; when the carrying device is in the using state, at least part of the lock breadth part (3) is in the disassembling state.

2. A carrier device in accordance with claim 1, wherein said support member has a plurality of support portions, each of said support portions being spaced around said receiving member; or, the number of the supporting parts is multiple, and the supporting parts are arranged around the accommodating part at intervals.

3. A carrier device according to claim 1, characterized in that the vertical plate (8) is a three-fork structure, the amplitude variation wheel carrier (2) is arranged at the top of each fork, and the amplitude variation wheel carrier (2), the elastic element and the roller (6) are in one-to-one correspondence.

4. A carrier device according to claim 1, characterised in that said vertical plates (8) are two in number and are fixed to the two end faces of said housing part, respectively.

5. A carrying device according to claim 1, characterized in that said vertical plate (8) is provided with an opening (801) communicating with said cavity (101).

6. A vehicle according to any one of claims 1 to 5, characterised in that it further comprises traction means connected to said housing means, said traction means being able to draw said vehicle inside said hole (12) to be inspected.

7. A hole inspection system comprising a carrier device according to any one of claims 1 to 6.

8. The hole detection system of claim 7, further comprising a detection element placed on or inside the housing.