Orifice centralizer adaptive to inclinometer pipes with various pipe diameters

Abstract

The utility model discloses an orifice centralizer adapted to inclinometer pipes with various pipe diameters, which relates to the technical field of construction monitoring equipment, and comprises an orifice centralizing part and an insertion adapting part which are connected with each other along the axial direction, a step hole penetrating along the axial direction is arranged on a middle shaft of the orifice centralizing part, and the insertion adapting part is connected with the orifice centralizing part. The stepped hole is composed of a large-diameter hole located in the surface and a small-diameter hole located below the large-diameter hole, the insertion fitting part is of an inverted circular truncated cone structure, the large-diameter end of the insertion fitting part is connected with the hole opening guide part, and a gradually-expanded middle shaft hole is formed in a middle shaft of the insertion fitting part; the hole diameter of the gradually-expanded middle shaft hole is gradually expanded from the hole opening guide part to the insertion fitting part, the hole diameter of the gradually-expanded middle shaft hole is larger than the hole diameter of the small-diameter hole, the lateral opening extends in the radial direction and penetrates through the stepped hole in the middle shaft and the gradually-expanded middle shaft hole, and the hole diameter of the lateral bayonet is larger than the hole diameter of the small-diameter hole. According to the orifice centralizer adaptive to the inclinometer pipes with various pipe diameters, operation is convenient, cables are not prone to slipping, and the orifice centralizer can be adaptive to the inclinometer pipes with different pipe diameters.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction monitoring equipment technical field, in particular, relate to a kind of hole mouth pilot of adapting to multiple pipe diameter inclinometer. BACKGROUND

[0002] Deep displacement monitoring is widely used in geotechnical engineering field, in the process of landslide treatment and foundation pit, slope support, not only can assist geotechnical engineer to accurately determine sliding surface, also can be used to monitor the deep displacement variation of geotechnical mass, analyze its stability and development trend.Deep displacement monitoring instrument uses movable borehole inclinometer, first drill vertical hole of certain depth in monitoring position, then install PVC inclinometer tube, there are two groups of mutually orthogonal guide grooves in inclinometer tube, inclinometer pulley moves in guide groove.

[0003] In prior art, when deep displacement monitoring instrument carries out field test, hole mouth pilot is arranged at the top of already installed inclinometer tube.Present hole mouth pilot is only suitable for one kind of caliber inclinometer tube;And line cable must be lifted by double hands during measurement, and inclinometer data acquisition needs two people to cooperate.

[0004] Therefore, it is necessary to provide a kind of hole mouth pilot of adapting to multiple pipe diameter inclinometer to solve or at least partially solve the above technical problems. UTILITY MODEL CONTENT

[0005] The hole mouth pilot of adapting to multiple pipe diameter inclinometer provided by the utility model solves the technical problem that present hole mouth pilot is only suitable for one kind of caliber inclinometer tube.

[0006] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0007] A kind of hole mouth pilot of adapting to multiple pipe diameter inclinometer, it includes hole mouth pilot part and plug-in adaptation part connected with each other along the axial direction, the hole mouth pilot part is above the plug-in adaptation part, the middle shaft of the hole mouth pilot part is equipped with the stepped hole that penetrates along the axial direction, the stepped hole is composed of large-diameter hole on surface and small-diameter hole below large-diameter hole, the plug-in adaptation part is inverted circular platform structure, the large-diameter end of the plug-in adaptation part is connected with the hole mouth pilot part, the middle shaft of the plug-in adaptation part is equipped with gradually expanding middle shaft hole, the hole diameter of the gradually expanding middle shaft hole gradually expands along the hole mouth pilot part towards the plug-in adaptation part, the hole diameter of the gradually expanding middle shaft hole is greater than the hole diameter of the small-diameter hole, one side opening extends along the radial direction and penetrates to the stepped hole and the gradually expanding middle shaft hole on the middle shaft, the hole diameter of the side opening is greater than the hole diameter of the small-diameter hole.

[0008] Further, the large-diameter hole is gradually tapered hole, and the hole diameter shrinks towards the small-diameter hole.

[0009] Further, the large-diameter hole has a hole depth of α millimeters, and α ranges from 5 to 15.

[0010] Further, the small-diameter hole has a hole diameter of β millimeters, and β ranges from 40 to 55.

[0011] Further, the lateral opening is a fan-shaped opening extending radially inward and tapering.

[0012] Further, the circumferential outer wall surface of the plug-in adapter portion is provided with a connecting external thread.

[0013] Further, the hole orifice guide for adapting to multiple pipe diameters also comprises a multi-stage connecting pipe head, the multi-stage connecting pipe head comprises matching connecting pipes connected to each other in the axial direction through fastening connectors, the pipe diameter of the matching connecting pipe at a lower stage is smaller than the pipe diameter of the matching connecting pipe at an upper stage, and the top end of the matching connecting pipe at the uppermost stage is provided with an internal thread hole matched with the connecting external thread.

[0014] Further, the pipe wall surface of the matching connecting pipe is provided with a threaded fastening hole, the threaded fastening hole is arranged along the radial direction and penetrates through the two matching connecting pipes matched with each other, and a fastening bolt passes through the threaded fastening hole to fixedly connect the two matching connecting pipes.

[0015] Further, the bottom of the matching connecting pipe at the intermediate stage is provided with a sliding lug protruding from the outer wall surface, and the top of the matching connecting pipe at the intermediate stage is provided with a sliding guide groove recessed in the inner wall surface, and the sliding lug and the sliding guide groove are matched with each other to circumferentially limit and connect the two adjacent stages of the matching connecting pipes.

[0016] The utility model has the following beneficial effects:

[0017] The utility model discloses an orifice pilot of adapting to various pipe diameter inclinometer, including orifice pilot part and insert fitting adaptation part, the orifice pilot part is in the top of insert fitting adaptation part, and insert fitting adaptation part is inverted circular table body structure, and the lower end of insert fitting adaptation part is small diameter end, and the orifice pilot has the large diameter hole, small diameter hole and gradually expanding middle shaft hole in proper order on the middle shaft, and the orifice pilot has lateral opening, and when working, insert fitting adaptation part is inserted in the top of inclinometer, and because insert fitting adaptation part is inverted circular table body structure, so can insert and adapt to the inclinometer of different pipe diameter, and the cable is arranged with the detent, and one or more detents are pulled from the lateral opening and the cable is swung to the middle shaft position, and because the aperture of small diameter hole is less than the detent and is arranged with the large diameter hole on small diameter hole, so the detent is partially or wholly accommodated in the large diameter hole and is positioned on small diameter hole, and the cable is not easy to slip off, the orifice pilot of adapting to various pipe diameter inclinometer of the utility model is convenient to operate cable and not easy to slip off, and can adapt to the inclinometer of different pipe diameter.

[0018] In addition to the objects, features, and advantages described above, the utility model has other objects, features and advantages. Below, referring to the drawings, the utility model will be further described in detail. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings that form a part of this application are intended to provide further understanding of the utility model, and the schematic embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute undue limitation on the utility model. In the drawings:

[0020] Figure 1 It is the top view of the orifice pilot of adapting to various pipe diameter inclinometer in an embodiment of the utility model,

[0021] Figure 2 It is Figure 1 The sectional view of A-A in it,

[0022] Figure 3 It is Figure 3 The sectional view of B-B in it,

[0023] Figure 4 It is one of the use state schematic diagram of the orifice pilot of adapting to various pipe diameter inclinometer in an embodiment of the utility model,

[0024] Figure 5 It is the structure schematic diagram of multistage connecting pipe head of the orifice pilot of adapting to various pipe diameter inclinometer in an embodiment of the utility model,

[0025] Figure 6 It is Figure 5 The sectional view of C-C in it,

[0026] Figure 7 is the use state diagram two of the orifice guide of the adaptive multi-diameter inclinometer of the embodiment of the utility model.

[0027] Legend:

[0028] 100, the orifice guide of the adaptive multi-diameter inclinometer;10, orifice guide part;101, lateral opening;11, large diameter hole;12, small diameter hole;20, plug-in adaptive part;21, gradually expanding central hole;22, connecting external thread;30, matching connecting pipe. Specific embodiments

[0029] It should be understood that the specific embodiments described herein are merely used to explain the utility model, and are not used to limit the utility model.

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0032] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the person skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0033] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4The utility model provides a kind of orifice centralizer 100 of adapting to multiple pipe diameter inclinometer tube, including the orifice centralizing portion 10 and the plug-in adaptation portion 20 connected with each other along the axial direction, the orifice centralizing portion 10 is above the plug-in adaptation portion 20, stepped hole is equipped on the middle axis of the orifice centralizing portion 10 and penetrates along the axial direction, the stepped hole is composed of large diameter hole 11 at surface and small diameter hole 12 below large diameter hole 11, the plug-in adaptation portion 20 is inverted circular platform structure, the large diameter end of the plug-in adaptation portion 20 is connected with the orifice centralizing portion 10, gradually expanding middle axis hole 21 is equipped on the middle axis of the plug-in adaptation portion 20, the hole diameter of gradually expanding middle axis hole 21 gradually expands along the orifice centralizing portion 10 towards the plug-in adaptation portion 20, the hole diameter of gradually expanding middle axis hole 21 is greater than the hole diameter of small diameter hole 12, one side opening 101 extends along radial direction and penetrates to the stepped hole and gradually expanding middle axis hole 21 on the middle axis, the hole diameter of the side opening is greater than the hole diameter of small diameter hole 12.

[0034] The utility model discloses a kind of orifice centralizer 100 of adapting to multiple pipe diameter inclinometer tube, including the orifice centralizing portion 10 and the plug-in adaptation portion 20, the orifice centralizing portion 10 is above the plug-in adaptation portion 20, the plug-in adaptation portion 20 is inverted circular platform structure, the lower end of plug-in adaptation portion 20 is small diameter end, large diameter hole 11, small diameter hole 12 and gradually expanding middle axis hole 21 are sequentially arranged on the middle axis of the orifice centralizer, the orifice centralizer is arranged with side opening 101, in specific work, plug-in adaptation portion 20 is inserted in the top of inclinometer tube, since plug-in adaptation portion 20 is inverted circular platform structure therefore can be inserted and adapt to inclinometer tube of different pipe diameter;Cable is arranged with detent, one or more detents are pulled from side through the movable gap of side opening 101 and promote inclinometer, then cable is swung to middle axis position, at this time, since the hole diameter of small diameter hole 12 is less than detent and small diameter hole 12 is arranged with large diameter hole 11, detent is partially or entirely accommodated in large diameter hole 11 and is positioned by being clamped on small diameter hole 12, cable is not easy to slip off;The utility model discloses a kind of orifice centralizer 100 of adapting to multiple pipe diameter inclinometer tube, cable is not easy to slip off, and can adapt to inclinometer tube of different pipe diameter.

[0035] Understandably, the orifice centralizing portion 10 and the plug-in adaptation portion 20 can be integrally formed arrangement, can also be buckling cooperation or thread cooperation detachably connected.

[0036] Furthermore, the large-diameter hole 11 is a tapered hole whose diameter narrows towards the small-diameter hole 12. By setting the large-diameter hole 11 as a tapered hole, it is convenient to accommodate the locking section while effectively avoiding the contact area between the locking section and the tapered hole, thus preventing the locking section from being too tightly fastened in the large-diameter hole 11. In this utility model, the large-diameter hole 11 refers to the hole with the larger diameter in the stepped hole, and the small-diameter hole 12 refers to the hole with the smaller diameter in the stepped hole, wherein the diameter of the small-diameter hole 12 is smaller than the radial dimension of the locking section.

[0037] Furthermore, the depth of the large-diameter hole 11 is α millimeters, and α ranges from 5 to 15.

[0038] Furthermore, the aperture of the small-diameter hole 12 is β millimeters, and β ranges from 40 to 55.

[0039] Furthermore, the lateral opening 101 is a fan-shaped opening that extends radially inward and gradually narrows. By setting the lateral opening 101 to be a fan-shaped opening, and the insertion adapter portion 20 being provided with a gradually expanding central shaft hole 21, it is beneficial to provide clearance during upward lifting, avoiding the clamping joint from touching the orifice guide during actual operation, which would cause the clamping joint to jump and affect the test results.

[0040] Furthermore, the outer circumferential wall surface of the insert adapter portion 20 is provided with connecting external threads 22.

[0041] Please refer to Figure 5 , Figure 6 and Figure 7 Furthermore, the orifice guide 100 adapted to inclinometers of various diameters also includes a multi-stage connecting pipe head, which includes matching connecting pipes 30 that are axially connected to each other by fastening connectors. The diameter of the matching connecting pipe 30 at the next stage is smaller than that of the matching connecting pipe 30 at the previous stage. The top end of the matching connecting pipe 30 at the highest stage has an internal thread hole that is matched with the external thread 22.

[0042] Furthermore, the matching connecting pipe 30 has threaded fastening holes arranged on its pipe wall surface. The threaded fastening holes are arranged radially through the two matching connecting pipes 30 that are nested together. Fastening bolts pass through the threaded fastening holes to fix the two matching connecting pipes 30 together.

[0043] Furthermore, the bottom of the intermediate-level matching connecting pipe 30 is provided with a sliding lug protruding from the outer wall surface, and the top of the intermediate-level matching connecting pipe 30 is provided with a sliding guide groove recessed in the inner wall surface. The sliding lug and the sliding guide groove cooperate with each other to make the two adjacent matching connecting pipes 30 circumferentially limited and connected.

[0044] Please refer to this again. Figure 4 and Figure 7The orifice guide of this utility model, which is compatible with inclinometers of various diameters, has two modes of use. When measuring inclinometers, the weight of the inclinometer and cable is used to fix the locking section on the orifice guide. Controlled by the locking section of the cable, the cable is not easy to slip off, thus stabilizing it at the orifice of the inclinometer. Alternatively, the orifice guide can be fixed to the orifice of the inclinometer by connecting the pipe head, allowing the cable to be lifted with one hand, which is convenient for data acquisition.

[0045] The main advantages of this invention include: multi-diameter compatibility: the inverted frustum structure insertion adapter 20 can be inserted into and adapted to inclinometer tubes of different diameters, solving the problem of poor compatibility of guides in the prior art; ease of operation: by pulling the locking section from the side through the movable gap of the lateral opening 101 to lift the inclinometer, the cable can be swung to the central axis position, making operation simple and convenient; anti-slip design: the diameter of the small diameter hole 12 is smaller than that of the locking section, and a large diameter hole 11 is arranged on the small diameter hole 12, with the locking section partially or completely housed in the large diameter hole 11. It is positioned by locking onto the small-diameter hole 12, effectively preventing cable slippage; Multi-stage connection structure: The multi-stage connection head design further enhances the adaptability to inclinometer tubes of different diameters, while the threaded fastening hole and the cooperation of the sliding lug with the guide groove ensure the stability and reliability of the connection; Cost-effectiveness: It reduces the need for frequent replacement of the guide due to changes in tube diameter, reducing the cost of equipment maintenance and replacement; Safety: The stability and reliability of the guide reduce the risk of the inclinometer slipping or getting stuck in the inclinometer tube, ensuring the safety of the operator.

[0046] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An orifice guide adapted to inclinometers of various diameters, characterized in that, It includes an orifice guiding portion and an insertion adapter portion that are interconnected along the axial direction, with the orifice guiding portion positioned above the insertion adapter portion. The guide section of the orifice has a stepped hole running through it axially on its central axis. The stepped hole consists of a large-diameter hole on the surface and a small-diameter hole below the large-diameter hole. The insert adapter portion has an inverted frustum structure. The large-diameter end of the insert adapter portion is connected to the orifice guide portion. The central axis of the insert adapter portion is provided with a gradually expanding central axis hole. The diameter of the gradually expanding central axis hole gradually increases along the orifice guide portion toward the insert adapter portion. The diameter of the gradually expanding central axis hole is larger than the diameter of the small-diameter hole. A lateral opening extends radially through the stepped hole and the gradually widening central hole on the central axis, the diameter of the lateral opening being larger than the diameter of the small-diameter hole.

2. The orifice guide adapted to various diameter inclinometers according to claim 1, characterized in that, The large-diameter hole is a tapered hole whose diameter narrows towards the small-diameter hole.

3. The orifice guide adapted to inclinometers of various diameters according to claim 1, characterized in that, The depth of the large-diameter hole is α millimeters, and α ranges from 5 to 15.

4. The orifice guide adapted to various diameter inclinometers according to claim 1, characterized in that, The diameter of the small-diameter hole is β millimeters, and β ranges from 40 to 55.

5. The orifice guide adapted to various diameter inclinometers according to any one of claims 1 to 4, characterized in that, The lateral opening is a fan-shaped opening that extends radially inward and gradually narrows.

6. The orifice guide adapted to various diameter inclinometers according to any one of claims 1 to 4, characterized in that, The outer circumferential wall surface of the insert adapter is provided with connecting external threads.

7. The orifice guide for adapting to inclinometers of various diameters as described in claim 6, characterized in that, The orifice guide for adapting to inclinometers of various diameters also includes a multi-stage connecting pipe head. The multi-stage connecting pipe head includes matching connecting pipes that are axially connected to each other by fastening connectors. The diameter of the matching connecting pipe at the next stage is smaller than that of the matching connecting pipe at the previous stage. The top of the matching connecting pipe at the highest stage has an internal thread hole that matches the external thread of the connection.

8. The orifice guide adapted to inclinometers of various diameters according to claim 7, characterized in that, The matching connecting pipe has threaded fastening holes arranged on its pipe wall. The threaded fastening holes are arranged radially through the two matching connecting pipes that are nested together. Fastening bolts pass through the threaded fastening holes to fix the two matching connecting pipes together.

9. The orifice guide adapted to various diameter inclinometers according to claim 7, characterized in that, The bottom of the intermediate-level matching connecting tube is provided with a sliding lug protruding from the outer wall surface, and the top of the intermediate-level matching connecting tube is provided with a sliding guide groove recessed in the inner wall surface. The sliding lug and the sliding guide groove cooperate with each other to make the two adjacent matching connecting tubes circumferentially limited and connected.

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