阅读说明：本技术 钻孔直径测量装置及方法 (Bore diameter measuring device and method ) 是由 李晓海 樊馗 于 2019-09-03 设计创作，主要内容包括：本发明为一种钻孔直径测量装置及方法。该钻孔直径测量装置包括测量件、牵引件、定位框架、第一转动组件、第二转动组件、第一驱动组件、第二驱动组件、测量杆和多个测量组件,其中:测量件和牵引件分别对应缠绕于第一转动组件和第二转动组件上,第一驱动组件和第二驱动组件用于控制对应的第一转动组件和第二转动组件的转动方向,以调控测量件和牵引件的外伸长度,牵引件的底端与定位框架的顶部连接,测量件的底端与测量杆连接,多个测量组件枢接于定位框架的底部,测量组件用于与定位框架、测量杆和测量件相配合,以测量定位框架所在位置的钻孔直径。本发明解决了对钻孔的直径测量精度低、测量难度大、无法对孔径任意深度进行测量的技术问题。(The present invention is a kind of bore diameter measuring device and method.The bore diameter measuring device includes measuring piece, traction piece, positioning framework, first runner assembly, the second turning discreteness, first driving assembly, second driving assembly, measuring rod and multiple measurement components, wherein: measuring piece and traction piece are respectively corresponded and are wound on the first runner assembly and the second turning discreteness, first driving assembly and the second driving assembly are used to control the rotation direction of corresponding first runner assembly and the second turning discreteness, to regulate and control the extension of measuring piece and traction piece, the bottom end of traction piece and the top of positioning framework connect, the bottom end of measuring piece is connect with measuring rod, multiple measurement components are articulated in the bottom of positioning framework, measurement component is used for and positioning framework, measuring rod and measuring piece match, with the bore diameter of measurement and positioning frame position.The present invention solves the technical issues of low to the diameter measurement precision of drilling, measurement difficulty is big, can not measure to any depth in aperture.)

1. a kind of bore diameter measuring device, which is characterized in that including measuring piece (5), traction piece (6), positioning framework (16), One runner assembly (1), the second turning discreteness (2), the first driving assembly, the second driving assembly, measuring rod (14) and multiple measurements Component (17), in which:

The measuring piece (5) and the traction piece (6), which respectively correspond, is wound in first runner assembly (1) and the second rotating group On part (2), first driving assembly and second driving assembly for control corresponding first runner assembly (1) and The rotation direction of the second turning discreteness (2), to regulate and control the overhanging of the corresponding measuring piece (5) and the traction piece (6) Length is fixedly connected at the top of the bottom end and the positioning framework (16) of the traction piece (6), the bottom end of the measuring piece (5) It is fixedly connected with the measuring rod (14), multiple measurements component (17) are articulated in the bottom of the positioning framework (16), institute Measurement component (17) is stated for matching with the positioning framework (16), the measuring rod (14) and the measuring piece (5), to survey Measure the bore diameter of the positioning framework (16) position.

2. bore diameter measuring device as described in claim 1, which is characterized in that the measurement component (17) includes first Bar (11), the second strut (12) and third strut (13), in which:

The end of first strut (11) is used to extend upwardly to the interior of the outside of the positioning framework (16) and the drilling Between wall；The end of second strut (12) extends to the inside of the positioning framework (16), third strut (13) position In the lower section of first strut (11) and second strut (12), and second strut (12) and first strut (11) the first angle is formed between, forms the second angle between second strut (12) and the third strut (13), it is described The end of measuring rod (14) is located in second angle.

3. bore diameter measuring device as claimed in claim 2, which is characterized in that the positioning framework (16) includes horizontal connects The top of bar (8) and more vertical connecting rods (9), each vertical connecting rod (9) is correspondingly connected at the end of the waling stripe (8) Portion is fixedly connected in the middle part of the bottom end and the waling stripe (8) of the traction piece (6), and each measurement component (17) is corresponding It is articulated in the bottom end of the vertical connecting rod (9), the end of first strut (11) is corresponding described perpendicular for extending upwardly to Between straight connecting rod (9) and the inner wall of the drilling.

4. bore diameter measuring device as claimed in claim 3, which is characterized in that opened up in the middle part of the waling stripe (8) Have wire guide (801), the bottom end of the measuring piece (5) passes through the wire guide (801) and stretches under the waling stripe (8) Side.

5. bore diameter measuring device as claimed in claim 3, which is characterized in that the length of two second struts (12) The sum of be less than the waling stripe (8) length.

6. bore diameter measuring device as claimed in claim 3, which is characterized in that the length of the waling stripe (8) is L₂, The length of the measuring rod (14) is L₃, the length of first strut (11) is L₄, the quality of the third strut (13) is m₁, the length of the third strut (13) is l₁, the quality of second strut (12) is m₂, the length of second strut (12) Degree is l₂, the quality of first strut (11) is m₃, second strut (12) connect with the bottom end of the vertical connecting rod (9) Angle between line is α, and the angle between the third strut (13) and the bottom end connecting line of the vertical connecting rod (9) is β；

The condition that the bore diameter measuring device meets are as follows:

m₃L₄Sin α > m₂l₂ cosα+m₁l₁ cosβ。

7. bore diameter measuring device as claimed in claim 3, which is characterized in that be provided on the vertical connecting rod (9) Gag lever post (15), one end of the gag lever post (15) are fixed on the corresponding vertical connecting rod (9), and the other end is to the positioning The inside of frame (16) extends, and the gag lever post (15) is located at the top of corresponding second strut (12).

8. bore diameter measuring device as claimed in claim 3, which is characterized in that the measuring piece (5) and the traction piece (6) it is used to be arranged outside the drilling, the bottom end of the traction piece (6) and the measuring piece (5) is used to stretch to institute It states in drilling, and the bottom end of the traction piece (6) is fixedly connected on the middle part of the waling stripe (8), the measuring piece (5) Bottom end is fixedly connected on the middle part of the measuring rod (14).

9. bore diameter measuring device as described in claim 1, which is characterized in that the traction piece (6) and the measuring piece (5) traction rope and measurement rope are corresponded to, the label for showing the measuring piece (5) length is provided on the measuring piece (5).

10. bore diameter measuring device as claimed in claim 9, which is characterized in that the label is in the measurement Scale on part (5).

11. bore diameter measuring device as claimed in claim 9, which is characterized in that the measuring piece (5) and the traction piece (6) it is all made of nylon material.

12. bore diameter measuring device as claimed in claim 2, which is characterized in that first angle is right angle；Described Two angles are acute angle.

13. bore diameter measuring device as claimed in claim 2, which is characterized in that the top and bottom of the measuring rod (14) Portion offers limiting slot along the extending direction of the measuring rod (14), and the limiting slot of measuring rod (14) bottom is used for institute It states and the third strut (13) is limited when transferring the bore diameter measuring device in drilling；Measuring rod (14) top The limiting slot in portion limits second strut (12) when being used to measure the diameter of the drilling.

14. bore diameter measuring device as claimed in claim 2, which is characterized in that first strut (11) is used for and institute It states one end fixing sleeve that the inner wall of drilling is in contact and is equipped with protective case.

15. bore diameter measuring device as claimed in claim 2, which is characterized in that first strut (11) is scalable Bar.

16. bore diameter measuring device as described in claim 1, which is characterized in that first runner assembly (1) be for The first roller being arranged in above the drilling being able to rotate, the second turning discreteness (2) are that the setting for being able to rotate exists Second tin roller above the drilling, the measuring piece (5) are wrapped on first roller, and the traction piece (6) is wrapped in On the second tin roller.

17. bore diameter measuring device as claimed in claim 16, which is characterized in that the bore diameter measuring device is also wrapped It includes connecting bracket (3), the top two sides of the connecting bracket (3) are respectively arranged with shaft, first roller and described second Roller is set in corresponding shaft, and is fixed on the connecting bracket (3) by what the shaft was able to rotate.

18. bore diameter measuring device as claimed in claim 17, which is characterized in that the bore diameter measuring device is also wrapped It includes guide support (7), one end of the guide support (7) is fixed on the connecting bracket (3), the guide support (7) The other end is provided with guided rings (701), and the top of the drilling, the lower end of the measuring piece (5) It is stretched in the drilling after both passing through the guided rings (701) with the lower end of the traction piece (6).

19. bore diameter measuring device as claimed in claim 18, which is characterized in that the guide support (7) is scalable Bar.

20. bore diameter measuring device as claimed in claim 17, which is characterized in that first roller and second rolling Cylinder is oppositely arranged in same level, and the lateral wall of the first roller lateral wall and the second tin roller passes through corresponding turn Axis is connect with the connecting bracket (3), the inner sidewall of first roller and the first turntable (101) for being arranged along the vertical direction Lateral wall connects, and is provided with the first rocking handle (102) on the inner sidewall of first turntable (101)；The inside of the second tin roller Wall is connect with the lateral wall for the second turntable (201) being arranged along the vertical direction, is arranged on the inner sidewall of second turntable (201) Have the second rocking handle (202), first driving assembly and second driving assembly correspond to and first rocking handle (102) and institute The second rocking handle (202) connection is stated, for corresponding by described in first rocking handle (102) and second rocking handle (202) drive First roller and second tin roller rotation.

21. bore diameter measuring device as claimed in claim 17, which is characterized in that set below the connecting bracket (3) It is equipped with fixed supporting leg (4), the top of the fixed supporting leg (4) is connect with the bottom of the connecting bracket (3), the fixed supporting leg (4) bottom is fixed on cast-in-place pile casing, and the fixed supporting leg (4) is arranged along the vertical direction, and the connecting bracket (3) is used for It is rolled from the bottom to top to the drilling oblique.

22. a kind of bore diameter measurement method, which comprises the steps of:

Step S1: by corresponding the first runner assembly (1) for being fixed on drilling top of measuring piece (5) and traction piece (6) and second turn On dynamic component (2), the bottom of the measuring piece (5) and the traction piece (6) is stretched to along the vertical direction in the drilling；

Step S2: positioning framework (16) and measurement component (17) are at the uniform velocity transferred to the drilling with the traction piece (6), described Measuring piece (5) decentralization synchronous with the traction piece (6) under the gravity of measuring rod (14), stops after decentralization to depth to be measured Decentralization is matched by the measurement component (17), the positioning framework (16), the measuring rod (14) and the measuring piece (5) It closes, measures the bore diameter of the positioning framework (16) position.

23. bore diameter measurement method as claimed in claim 22, which is characterized in that the step S2 further include:

Step S201: the measuring rod (14) moves down and end offsets with the outer wall of corresponding third strut (13), described Third strut (13) is rotated down to drive corresponding first strut (11) to be rotated up, until the end of first strut (11) It is mutually separated with the inner wall of the drilling, the scale value recorded on the corresponding measuring piece (5) in a fixed height place at this time is a；The measuring rod (14) is located at extreme lower position at this time, and the distance between horizontal plane where the bottom of the positioning framework is L₀；

Step S202: the fixed traction piece (6) is motionless, at the uniform velocity above mentions the measuring piece (5), at this time the measuring rod (14) to Upper movement and end offsets with the outer wall of corresponding second strut (12), second strut (12) is rotated up to drive correspondence First strut (11) rotate down；

Step S203: stopping when Caton occurs in the measuring piece (5), the end of the measuring rod (14) and corresponding are mentioned upper The outer wall of two struts (12) offsets, and the end of the first strut (11) is in contact with the inner wall of the drilling, records step at this time Scale value on the corresponding measuring piece (5) of fixed height place described in S201 is b；

Step S204: after transferring the measuring piece (5), while the measuring piece (5) and traction piece (6) are at the uniform velocity above mentioned, will drilled Diameter measuring device takes out out of described drilling；

Step S205: the diameter D of the bore position where the bore diameter measuring device is calculated according to record data.

24. bore diameter measurement method as claimed in claim 23, which is characterized in that drilling described in the step S205 is straight The calculation formula of the diameter D of the bore position where calipers are as follows:

Wherein, L₁=a-b-L₀, L₂For the width of positioning framework, L₃For the length of measuring rod (14), L₄

For the length of the first strut (11).

25. bore diameter measurement method as claimed in claim 23, which is characterized in that fixed high described in the step S201 It is the measuring piece (5) and guide support (7) intersection location at degree.

26. bore diameter measurement method as claimed in claim 23, which is characterized in that in the step S201, the measurement Bar (14) moves down and both ends offset with the outer wall of corresponding third strut (13), and meets following condition:

m₃L₄Sin α > m₂l₂ cosα+m₁l₁Cos β,

Wherein, m₁For the quality of the third strut (13), l₁For the length of the third strut (13), m₂It is described second The quality of bar (12), l₂For the length of second strut (12), m₃For the quality of first strut (11), α is described second Angle between strut (12) and the bottom end connecting line of the vertical connecting rod (9), β are the third strut (13) and described vertical Angle between the bottom end connecting line of connecting rod (9).

27. bore diameter measurement method as claimed in claim 24, which is characterized in that the width of the positioning framework is level The length of connecting rod (8).

Technical field

The present invention relates to construction engineering technical field more particularly to a kind of bore diameter measuring devices and method.

Background technique

At this stage, the needs based on the carrying of the constructions of structures such as high level, Super High basis, pile foundation have become skyscraper Therefore the principal mode on basis, pile foundation construction technology have also obtained quick development and increasingly maturation.The relatively early, work as development The more mature holing with slurry wall protection cast-in-place pile construction method of skill is largely designed and is applied, and main working procedure successively wraps Include: smooth location, embedded casing, is laid with workbench, rigging up and positions, drilling and forming hole, borehole cleaning and checks slurrying Hole quality, pouring underwater concrete, extracts casing and checks on the quality decentralization steel reinforcement cage.Drilling is one of pass in each process Key process must require to carry out just can guarantee hole quality in strict accordance with operation in construction, and in practice of construction, to pore-forming The state modulators such as hole depth, verticality, sediment thickness in mass parameter and measurement are more perfect, but to pore-forming in pore forming process Diameter, which checks, often leads to pile due to that can not carry out real-time monitoring and adjustment in time to drilling diameter without preferable method Mass deviation is larger.

Existing pile diameter domination means mostly to try pore-forming and test pile result data as reference and foundation, set associated construction and machine Tool technical parameter, and by the subsequent control method of concrete pouring fullness coefficient value verifying adjustment, but existing pore-forming monitors There are no appearance, and the technologies such as management and quality control personnel can be made sufficiently to approve measurement data in device and method, and big model Enclose the stake holes detection instrument for being easy to field conduct of popularization and use.

At this stage, although the measuring device with some pore-forming apertures, measurement accuracy is low, manipulation is inconvenient, can not be right The aperture of any depth measures the obstacle for becoming its popularization and widespread adoption.

The present inventor based on years of experience and practice in relevant industries, proposes a kind of bore diameter measurement dress as a result, It sets and method, to overcome the deficiencies of existing technologies.

Summary of the invention

The purpose of the present invention is to provide a kind of bore diameter measuring device and methods, straight by transferring drilling in drilling Calipers, and the acquisition of data can be completed in the measuring piece for above proposing bore diameter measuring device, according to collected data It can calculate the diameter of the deep drilling, it is easy to operate, accuracy of measurement is high, highly-safe, and bore diameter measuring device knot Structure is simple, at low cost, has good practicability.

Following technical proposal can be used to realize in the purpose of the present invention:

The present invention provides a kind of bore diameter measuring devices, including measuring piece, traction piece, positioning framework, the first rotation Component, the second turning discreteness, the first driving assembly, the second driving assembly, measuring rod and multiple measurement components, in which:

The measuring piece and the traction piece, which respectively correspond, to be wound on first runner assembly and the second turning discreteness, First driving assembly and second driving assembly are for controlling corresponding first runner assembly and second turn described The rotation direction of dynamic component, to regulate and control the extension of the corresponding measuring piece and the traction piece, the bottom of the traction piece It holds and is fixedly connected at the top of the positioning framework, the bottom end of the measuring piece is fixedly connected with the measuring rod, multiple described Measurement component is articulated in the bottom of the positioning framework, the measurement component for the positioning framework, the measuring rod and The measuring piece matches, to measure the bore diameter of the positioning framework position.

In a preferred embodiment of the present invention, the measurement component includes the first strut, the second strut and third branch Bar, in which:

The end of first strut be used for extend upwardly to the positioning framework outside and the drilling inner wall it Between；The end of second strut to the inside of the positioning framework extend, the third strut be located at first strut with The lower section of second strut, and the first angle is formed between second strut and first strut, second strut The second angle is formed between the third strut, the end of the measuring rod is located in second angle.

In a preferred embodiment of the present invention, the positioning framework includes waling stripe and the vertical connecting rod of Duo Gen, respectively The top of the vertical connecting rod is correspondingly connected in the end of the waling stripe, the bottom end of the traction piece and the waling stripe Middle part be fixedly connected, each measurement component is correspondingly pivotally connected with the bottom end of the vertical connecting rod, the end of first strut For extending upwardly between the corresponding vertical connecting rod and the inner wall of the drilling.

In a preferred embodiment of the present invention, wire guide, the measuring piece are offered in the middle part of the waling stripe Bottom end pass through the wire guide and stretch to the lower section of the waling stripe.

In a preferred embodiment of the present invention, the sum of length of two second struts is less than the waling stripe Length.

In a preferred embodiment of the present invention, the length of the waling stripe is L₂, the length of the measuring rod is L₃, the length of first strut is L₄, the quality of the third strut is m₁, the length of the third strut is l₁, described The quality of two struts is m₂, the length of second strut is l₂, the quality of first strut is m₃, second strut with Angle between the bottom end connecting line of the vertical connecting rod is α, the bottom end connecting line of the third strut and the vertical connecting rod Between angle be β；

The condition that the bore diameter measuring device meets are as follows:

m₃L₄Sin α > m₂l₂cosα+m₁l₁cosβ。

In a preferred embodiment of the present invention, it is provided with gag lever post on the vertical connecting rod, the gag lever post One end is fixed on the corresponding vertical connecting rod, and the other end extends to the inside of the positioning framework, and the gag lever post is located at The top of corresponding second strut.

In a preferred embodiment of the present invention, the measuring piece and the traction piece are used to be arranged in the drilling The bottom end of outside, the traction piece and the measuring piece is used to stretch in the drilling, and the bottom end of the traction piece is solid Surely it is connected to the middle part of the waling stripe, the bottom end of the measuring piece is fixedly connected on the middle part of the measuring rod.

In a preferred embodiment of the present invention, the traction piece and the measuring piece correspond to traction rope and measurement It restricts, the label for showing the measuring piece length is provided on the measuring piece.

In a preferred embodiment of the present invention, the scale labeled as marking on the measuring piece is stated.

In a preferred embodiment of the present invention, the measuring piece and the traction piece are all made of nylon material.

In a preferred embodiment of the present invention, first angle is right angle；Second angle is acute angle.

In a preferred embodiment of the present invention, the top and bottom of the measuring rod are along the extension of the measuring rod Direction offers limiting slot, and the limiting slot of the measuring rod bottom is for transferring the bore diameter measurement dress into the drilling The third strut is limited when setting；To institute when limiting slot at the top of the measuring rod is used to measure the diameter of the drilling The second strut is stated to be limited.

In a preferred embodiment of the present invention, first strut be used for be in contact with the inner wall of the drilling one Fixing sleeve is held to be equipped with protective case.

In a preferred embodiment of the present invention, first strut is telescopic rod.

In a preferred embodiment of the present invention, first runner assembly is the setting for being able to rotate in the brill The first roller above hole, the second turning discreteness are the second tin roller being arranged in above the drilling for being able to rotate, The measuring piece is wrapped on first roller, and the traction piece is wrapped on the second tin roller.

In a preferred embodiment of the present invention, the bore diameter measuring device further includes connecting bracket, the company The top two sides for connecing bracket are respectively arranged with shaft, and first roller and the second tin roller are set in corresponding shaft, And it is fixed in the connecting bracket by what the shaft was able to rotate.

In a preferred embodiment of the present invention, the bore diameter measuring device further includes guide support, described to draw The one end for leading bracket is fixed in the connecting bracket, and the other end of the guide support is provided with guided rings, and along level side To the top for extending to the drilling, the lower end of the lower end of the measuring piece and the traction piece both passes through the guided rings and extendes back Enter to the drilling.

In a preferred embodiment of the present invention, the guide support is telescopic rod.

In a preferred embodiment of the present invention, first roller and the second tin roller phase in same level To setting, the lateral wall of the first roller lateral wall and the second tin roller is connected by corresponding shaft and the connecting bracket It connects, the inner sidewall of first roller is connect with the lateral wall for the first turntable being arranged along the vertical direction, first turntable The first rocking handle is provided on inner sidewall；The lateral wall of the inner sidewall of the second tin roller and the second turntable being arranged along the vertical direction It connects, is provided with the second rocking handle, first driving assembly and second driving assembly on the inner sidewall of second turntable Correspondence is connect with first rocking handle and second rocking handle, passes through first rocking handle and the second rocking handle band for corresponding Move first roller and second tin roller rotation.

In a preferred embodiment of the present invention, fixed supporting leg, the fixation are provided with below the connecting bracket The top of supporting leg is connect with the bottom of the connecting bracket, and the bottom of the fixed supporting leg is fixed on cast-in-place pile casing, described Fixed supporting leg is arranged along the vertical direction, and the connecting bracket is oblique for rolling from the bottom to top to the drilling.

The present invention provides a kind of bore diameter measurement methods, include the following steps:

Step S1: by measuring piece and corresponding the first runner assembly and the second turning discreteness for being fixed on drilling top of traction piece On, the bottom of the measuring piece and the traction piece is stretched to along the vertical direction in the drilling；

Step S2: positioning framework and measurement component are at the uniform velocity transferred to the drilling with the traction piece, the measuring piece The decentralization synchronous with the traction piece under the gravity of measuring rod, stops decentralization after decentralization to depth to be measured, passes through the survey Amount component, the positioning framework, the measuring rod and the measuring piece match, and measure the brill of the positioning framework position Bore dia.

In a preferred embodiment of the present invention, the step S2 further include:

Step S201: the measuring rod moves down and end offsets with the outer wall of corresponding third strut, the third Strut is rotated down to drive corresponding first strut to be rotated up, until the inner wall of the end of first strut and the drilling It mutually separates, recording the scale value on the corresponding measuring piece in a fixed height place at this time is a；The measuring rod is located at this time The distance between horizontal plane where extreme lower position, with the bottom of the positioning framework is L₀；

Step S202: the fixed traction piece is motionless, at the uniform velocity above mentions the measuring piece, the measuring rod moves up at this time And end offsets with the outer wall of corresponding second strut, second strut is rotated up to drive corresponding first strut It rotates down；

Step S203: stopping when Caton occurs in the measuring piece, the end of the measuring rod and corresponding second are mentioned upper The outer wall of strut offsets, and the end of the first strut is in contact with the inner wall of the drilling, and record is solid described in step S201 at this time Determining the scale value on the corresponding measuring piece in height place is b；

Step S204: after transferring the measuring piece, while the measuring piece and traction piece are at the uniform velocity above mentioned, bore diameter is surveyed Amount device takes out out of described drilling；

Step S205: the diameter D of the bore position where the bore diameter measuring device is calculated according to record data.

In a preferred embodiment of the present invention, described in where bore diameter measuring device described in the step S205 The calculation formula of the diameter D of bore position are as follows:

Wherein, L₁=a-b-L₀, L₂For the width of positioning framework, L₃For the length of measuring rod, L₄For the length of the first strut.

In a preferred embodiment of the present invention, at fixed height described in the step S201 for the measuring piece with Guide support intersection location.

In a preferred embodiment of the present invention, in the step S201, the measuring rod move down and both ends with The outer wall of corresponding third strut offsets, and meets following condition:

m₃L₄Sin α > m₂l₂cosα+m₁l₁Cos β,

Wherein, m₁For the quality of the third strut, l₁For the length of the third strut, m₂For second strut Quality, l₂For the length of second strut, m₃For the quality of first strut, α is that second strut connects vertically with described Angle between the bottom end connecting line of bar, angle of the β between the third strut and the bottom end connecting line of the vertical connecting rod.

In a preferred embodiment of the present invention, the width of the positioning framework is the length of waling stripe.

From the above mentioned, the characteristics of bore diameter measuring device and method of the present invention and advantage is: by measuring piece and traction piece It respectively corresponds and is wound on the first runner assembly and the second turning discreteness, be used for by the first driving assembly and the second driving assembly The rotation direction of corresponding first runner assembly and the second turning discreteness is controlled, to regulate and control corresponding measuring piece and traction piece Extension is fixedly connected at the top of the bottom end of traction piece and positioning framework, and the bottom end of measuring piece is fixedly connected with measuring rod, more A measurement component is articulated in the bottom of positioning framework, carries measuring rod respectively by measuring piece and traction piece and positioning framework protrudes into To drilling predetermined depth, matched by measurement component, positioning framework, measuring rod and measuring piece, where measurement and positioning frame The bore diameter of position can measure the bore diameter of any position by the bore diameter measuring device and method, behaviour Make easy, accuracy height, there is good safety and practicability, make suitable for being promoted in the inside diameter measurement field of cast-in-situ bored pile With.

Detailed description of the invention

The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein:

Fig. 1: for the front view of bore diameter measuring device of the present invention.

Fig. 2: for the right view of bore diameter measuring device of the present invention.

Fig. 3: the position of each measuring part is closed when not measuring to bore diameter for bore diameter measuring device of the present invention System's figure.

Fig. 4: the positional relationship of each measuring part when being measured for bore diameter measuring device of the present invention to bore diameter Figure.

Drawing reference numeral in the present invention: 1, the first runner assembly；101, the first turntable；102, the first rocking handle；2, second turn Dynamic component；201, the second turntable；202, the second rocking handle；3, connecting bracket；4, fixed supporting leg；5, measuring piece；6, traction piece；7, draw Lead bracket；701, guided rings；8, waling stripe；801, wire guide；9, vertical connecting rod；10, pivot pin；11, the first strut；12, Two struts；13, third strut；14, measuring rod；15, gag lever post；16, positioning framework；17, component is measured.

Specific embodiment

For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed Bright specific embodiment.