CN113237470A

CN113237470A - Implicit implosion settlement observation mark

Info

Publication number: CN113237470A
Application number: CN202110442956.7A
Authority: CN
Inventors: 李先一; 李航; 李庆
Original assignee: Nanjing Ruiri Photoelectric Instrument Co ltd
Current assignee: Nanjing Ruiri Photoelectric Instrument Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-08-10

Abstract

The invention discloses an implicit implosion settlement observation mark, which adopts the technical scheme that the implicit implosion settlement observation mark comprises a cylinder, an internal expansion rod and a pushing piece, wherein a through hole is formed in the cylinder along the length direction; a plurality of expansion parts are formed at one end of the column body, the expansion parts are distributed around the through hole, expansion gaps are formed among the expansion parts, and a fixed inclined plane cone body is arranged at one end of the column body, which is far away from the expansion parts; the through hole comprises a guide surface, the inclination direction of the guide surface is arranged in the direction from one end of the column body provided with the expansion part to the other end and is inclined towards the outer side of the column body, an internal thread is arranged in the through hole, and the pushing piece is in threaded connection with the column body; the inner expansion rod is located in the through hole, and when the pushing piece pushes the inner expansion rod to move towards the expansion part, the inner expansion rod drives the expansion part to deform towards the outer side direction of the cylinder. After the implicit implosion settlement observation mark is fixed in a wall body, the stability is good, so that a settlement observation head fixed on the implicit implosion settlement observation mark is good in stability, high in measurement accuracy and small in data discreteness of multiple measurements.

Description

Implicit implosion settlement observation mark

Technical Field

The invention relates to a settlement observation mark in the field of building vertical displacement measurement, in particular to an implicit implosion settlement observation mark.

Background

With the development of the industrial and civil building industry, various complex and large engineering buildings are increasing, the construction of the engineering buildings changes the original state of the ground, and certain pressure is applied to the foundation of the buildings, which inevitably causes the deformation of the foundation and the surrounding stratum. The current regulations also stipulate that settlement observation is required for high-rise buildings, important ancient buildings, continuous production facility foundations, power equipment foundations, landslide monitoring and the like. In the processes of construction, completion acceptance, monitoring and control after completion and the like of buildings and high-grade roads, settlement observation has the advantages of safety prediction, scientific evaluation and construction quality inspection, and more importantly, problems in construction can be timely processed and corrected through settlement observation data in each construction period implementation so as to prevent the problems in the future.

The settlement observation mark needs to be buried and fixed in a wall body, and settlement observation is carried out through a settlement observation head and an indium steel ruler. In actual operation, a hole is punched in a wall body, then a main body of the settlement observation mark is placed in the hole to be fixed, the settlement observation head is connected with the settlement observation mark, the indium steel ruler is placed on the settlement observation head, and settlement observation is carried out through the indium steel ruler. However, after the main body is placed into the hole, the outer wall of the main body is not tightly connected with the hole wall, so that the main body is not firmly fixed in the hole, the main body is easy to rotate or even slide out of the hole, and the accuracy of settlement observation is affected.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an implicit implosion settlement observation mark, which has good stability after being fixed in a wall body, so that a settlement observation head fixed on the implicit implosion settlement observation mark has good stability, high measurement precision and small data discreteness of multiple measurements.

In order to achieve the purpose, the invention provides the following technical scheme: an implicit implosion settlement observation mark comprises a cylinder body and an internal expansion rod, wherein a through hole is formed in the cylinder body along the length direction, and the cylinder body is provided with a connecting part used for being connected with an observation settlement head;

a plurality of expansion parts are formed at one end of the column body, the expansion parts are distributed around the through hole, expansion gaps are formed among the expansion parts, and the expansion gaps are communicated with the through hole;

a fixed inclined plane cone is arranged at one end, far away from the expansion part, of the column body, and the size of the cross section of the outer side wall of the column body is gradually reduced from one end, far away from the expansion part, to one end, close to the expansion part, of the column body to form the fixed inclined plane cone;

the through-hole is including the spigot surface, interior expanding link is located in the through-hole, interior expanding link under the exogenic action by the cylinder is provided with the one end of fixed inclined plane centrum to being provided with when the one end of inflation portion slides, interior expanding link lateral wall with the spigot surface extrusion drives the inflation piece to the outside direction deformation of cylinder.

The guide surface is an inclined surface, and the inclined direction of the guide surface is arranged in a manner that the guide surface is inclined towards the outer side of the column body in the direction from one end of the column body provided with the expansion part to the other end.

Through setting up like this, the spigot surface sets up to the inclined plane can realize with the interior pole that expands mutually supporting and drive the outside inflation of inflation portion, and processing is convenient, the reduction in production cost of being convenient for.

As a further improvement of the invention, the through hole further comprises a large hole and a small hole, and the large hole and the small hole are respectively positioned at two ends of the guide surface and connected with the guide surface.

Through setting up like this, the cylinder entering of being convenient for of macropore, the spigot surface is located between macropore and the aperture, compares with the one end that the spigot surface is located the through-hole, and the length of spigot surface can be designable littleer, and the gradient on inclined plane can be designable bigger, and after this moment contacted with the inclined plane as the cylinder, the cylinder only need remove littleer distance to the aperture direction and can let the inflation portion deform to reaching sufficient inflation volume, the installation of this implicit expression implosion settlement observation sign of being more convenient for.

As a further improvement of the invention, the implicit implosion settlement observation mark further comprises a pushing piece, the connecting part is provided with an internal thread, the internal thread is arranged on the side wall of the large hole, an external thread matched with the internal thread is arranged on the outer side surface of the pushing piece, the length of the pushing piece is smaller than that of the large hole, one end of the pushing piece is provided with an opening convenient for rotating the pushing piece, and when the pushing piece rotates into the large hole, the pushing piece pushes the internal expansion rod to extrude the guide surface and drive the expansion part to deform towards the outer side direction of the cylinder.

Through setting up like this, connecting portion set up to the internal thread, and the cylinder passes through threaded connection and observes the settlement head, and thread machining is convenient, spiro union easy operation, and connects the fastening. When the implicit implosion settlement observation mark is stored and transported by the arrangement of the pushing piece, the inner expanding rod is positioned in the through hole, the pushing piece is in threaded connection with the internal thread of the large hole, and the small hole and the pushing piece respectively block the inner expanding rod to slide out of the through hole from the two ends of the through hole, so that the inner expanding rod is stored and dropped and lost in the transportation process. And during installation, an operator rotates the pushing piece into the through hole, and the pushing piece pushes the inner expansion rod to extrude the guide surface, so that each expansion part is extruded and outwards opened, and the operation process of the operator is more labor-saving and convenient. After the expansion part is expanded, the inner expanding rod is still abutted by the pushing piece, so that after the implicit implosion settlement observation mark is installed, the inner expanding rod cannot move towards the direction of the large hole under the pressure of the guide surface, and the implicit implosion settlement observation mark can keep an expansion state when in use.

As a further improvement of the invention, a side of the expansion portion facing away from the through hole is provided with a knurling.

Through setting up like this, the annular knurl can effectively increase the frictional force between inflation portion and the wall downthehole wall, is favorable to avoiding the cylinder in wall downthehole rotation.

As a further improvement of the invention, a plurality of the expansion parts are the same in size and are uniformly distributed on the column body in an annular shape.

Through setting up like this, the size of each inflation portion is the same and annular evenly distributed for when each inflation portion received the extrusion of interior expanding link, the deformation degree is roughly the same, makes each inflation link roughly the same to the extrusion effort in wall hole, is favorable to improving the column and the connection fastening nature between the wall hole.

As a further improvement of the invention, a chamfer is arranged at the joint of one end of the expansion part far away from the fixed inclined plane vertebral body and the outer side surface of the expansion part.

Through setting up like this, the chamfer plays the guide effect, and the inflation portion of being convenient for inserts in the wall hole.

As a further improvement of the invention, the cross section of the outer side wall of the cylinder body is circular, the through hole is a circular hole, and the through hole and the cylinder body are coaxially arranged.

Through setting up like this, the lateral wall of cylinder is the cylinder wall for the production and processing of cylinder is convenient, low in production cost. The round hole processing is convenient, and the through-hole sets up with the cylinder is coaxial for the wall thickness of cylinder is more even, is favorable to improving the bulk strength of cylinder.

As a further improvement of the invention, the inner expansion rod comprises a cylindrical rod and a circular truncated cone, the large-caliber end of the circular truncated cone is connected with one end of the cylindrical rod, and the cylindrical rod and the circular truncated cone are coaxially arranged and integrally formed.

Through setting up like this, thereby the round platform is used for driving the inflation of inflation portion with the spigot surface cooperation, and the round platform be provided with do benefit to the area of contact who increases interior expanding bar and spigot surface, avoids the point contact between interior expanding bar and the spigot surface, is favorable to reducing the wearing and tearing that mutual extrusion slip produced between interior expanding bar and the spigot surface, avoids interior expanding bar or spigot surface to be crushed.

As a further improvement of the invention, the cone angle of the circular truncated cone is equal to or smaller than the cone angle of the guide surface.

Through setting up like this, when the cone angle of round platform equals the cone angle of spigot surface, thereby the side of round platform and spigot surface face contact promote the inflation of inflation portion, when the cone angle of round platform is less than the cone angle of spigot surface, thereby spigot surface and aperture junction contact with the round platform earlier and promote the inflation of inflation portion, avoided spigot surface and macropore junction to contact with the round platform earlier, be difficult to promote the inflation portion this moment.

As a further improvement of the invention, the pusher is in contact with the internally expanding face.

Through setting up like this, the impeller all sets to the terminal surface with the mutual one side of expanding in the pole for impeller and the pole area of contact that expands in for the impeller can be as far as possible along the axis direction of cylinder to the thrust of the pole that expands in.

As a further development of the invention, the opening is provided as a hexagonal socket.

Through setting up like this, the processing of hexagon socket head cap notch is convenient for, thereby and operating personnel is convenient for insert rotatory impeller in the hexagon socket head cap screw through outer hexagonal screwdriver, convenient operation.

The invention has the beneficial effects that: the wall is downthehole to the one end that operating personnel was provided with the expansion gap with the cylinder, and promote to inflation portion direction in will interior expanding rod follow through-hole through the instrument, conflict through interior expanding rod and spigot surface, make each inflation portion receive the extrusion and outwards open, inflation portion extrudees wall hole inner wall after outwards opening, make the downthehole portion of wall enlarged, final inflation portion and wall hole inner wall zonulae occludens, the cylinder installation finishes this moment, later will subside and observe the head and be connected to on the cylinder, and fix the indium steel chi and subside observation head. Through the setting of inflation portion for the cylinder is inseparable with wall jogged joint, and the cylinder is firm in the wall downthehole. Therefore, after the implicit implosion settlement observation mark is fixed in a wall body and a settlement observation head is installed, the overall stability is strong, the accuracy of measurement of the settlement observation head is ensured, and the discreteness is small. And through the setting of fixed inclined plane centrum, when the cylinder inserted the wall hole and during fixed cylinder, the junction of fixed inclined plane centrum and wall body and wall hole pastes tightly for after this cylinder is fixed to be accomplished, the cylinder is provided with the one end of fixed inclined plane centrum and can not take place to rock, further improves the stability of this implicit expression implosion settlement observation sign.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a column

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic structural view of an inner expansion link;

FIG. 5 is a schematic view of the structure of the pusher.

Reference numerals: 1. a cylinder; 2. an inner expanding rod; 21. a cylindrical rod; 22. a circular truncated cone; 3. a through hole; 31. a guide surface; 32. macropores; 33. a small hole; 4. an expansion part; 41. chamfering; 5. an expansion gap; 6. fixing the inclined plane vertebral body; 7. a connecting portion; 8. knurling; 9. a pusher member; 91. and (4) opening.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1, 2 and 3, the implicit implosion settlement observation mark of the present embodiment includes a cylinder 1, an internal expansion rod 2 and a pushing member 9, wherein a through hole 3 is formed in the cylinder 1 along the length direction, and the through hole 3 penetrates through two ends of the cylinder 1. The cross section of the outer side wall of the cylinder 1 can be set to be circular, square or other polygons, in this embodiment, the cylinder 1 is made of stainless steel or common steel. The through hole 3 can be set as a round hole, a square hole or other polygonal holes, and is set as a round hole in the embodiment, and the through hole 3 and the cylinder 1 are coaxially arranged.

Referring to fig. 1, 2 and 3, a plurality of expansion gaps 5 are formed at one end of the column body 1, a fixed inclined plane vertebral body 6 is formed at the other end, the expansion gaps 5 extend from the end surface of the column body 1 to the other end of the column body 1, and the expansion gaps 5 are communicated with the through holes 3. A plurality of expansion gaps 5 are uniformly distributed on the column body 1 in a ring shape. The expansion gap 5 divides one end of the column body 1 into a plurality of expansion parts 4 from the whole, one side of the expansion part 4, which is back to the through hole 3, is provided with a knurl 8, the knurl 8 extends from one end of the column body 1, which is provided with the expansion part 4, to one end which is provided with the fixed inclined plane vertebral body 6, the extension length is one third to two thirds of the column body 1, and in the embodiment, the extension length is one half of the column body 1. A chamfer 41 is arranged at the joint of one end of the expansion part 4 far away from the fixed inclined plane vertebral body 6 and the outer side surface of the expansion part 4. In the present embodiment, four expansion gaps 5 and four expansion portions 4 are provided. The knurl 8 extends from one end provided with the expansion part 4 to one end provided with the fixed inclined plane centrum 6 on the outer side wall of the cylinder 1. The cross-sectional dimension of the outer sidewall of the column 1 decreases from the end remote from the expansion gap 5 to the end close to the expansion gap 5 to form a fixed ramp cone 6.

Referring to fig. 2 and 3, the through hole 3 includes a large hole 32, a small hole 33 and a guide surface 31, the guide surface 32 may be a stepped surface or an inclined surface, and when the guide surface 32 is set as the stepped surface, the outer contour of the inner expansion rod 2 should be set to have a large end and a small end, so that the inner expansion rod 2 can be matched with the stepped surface to push the expansion part 4 to deform outwards. In this embodiment, the guiding surface 32 is an inclined surface, the inclined direction of the guiding surface 31 is inclined toward the outside of the column body 1 in the direction from the end of the column body 1 provided with the expansion part 4 to the other end, the guiding surface 31 is located on the expansion part 4, and the large hole 32 and the small hole 33 are respectively located at the two ends of the guiding surface 31 and connected with the guiding surface 31. The expansion gap 5 is in communication with the small hole 33, the guide surface 31 and the large hole 32. When making inflation portion 4 by extrusion inflation, the initial deformation bending department of inflation portion 4 is located on the lateral wall of macropore 32 rather than on the spigot surface 31 or spigot surface 31 and macropore 32's junction for the extrusion atress department of inflation portion 4 has certain distance with initial deformation bending department, more is favorable to inflation portion 4 to take place deformation, makes the emergence deformation of letting inflation portion 4 that operating personnel can be more laborsaving. The column body 1 is also provided with a connecting part 7 used for being connected with the observation settlement head, the connecting part 7 is provided with an internal thread, and the internal thread is arranged on the side wall of the large hole 32.

Referring to fig. 3 and 4, the inner expansion rod 2 is located in the through hole 3, the inner expansion rod 2 comprises a cylindrical rod 21 and a circular truncated cone 22, a large-caliber end of the circular truncated cone 22 is connected with one end of the cylindrical rod 21, and the cylindrical rod 21 and the circular truncated cone 22 are coaxially arranged and integrally formed. The small diameter end of the truncated cone 22 faces the expansion gap 5. The cone angle of the circular truncated cone 22 is equal to or smaller than the cone angle of the guide surface 31. When the inner expanding rod 2 is moved from the end of the column body 1 far away from the expansion part 4 to the end of the column body 1 provided with the expansion part 4 under the action of external force, the outer side wall of the inner expanding rod 2 is extruded with the guide surface 31 and drives the expansion part 4 to deform towards the outer side direction of the column body 1.

Referring to fig. 3 and 5, the outer side surface of the pushing member 9 is provided with an external thread for matching with the internal thread, the length of the pushing member 9 is smaller than that of the large hole 32, one end of the pushing member 9 is provided with an opening 91 for facilitating the rotation of the pushing member 9, and the opening 91 is provided in a shape capable of matching with a screwdriver so as to rotate the pushing member 9, such as a straight notch, a cross-shaped notch, an inner hexagonal notch and a star-shaped notch. When the pushing piece 9 rotates into the big hole 32, the pushing piece pushes the inner expanding rod 2 to extrude the guide surface 31. In this embodiment the pusher 9 is a screw with an end face and the opening 91 is provided as a hexagonal socket.

The working principle is as follows:

an operator firstly punches a pre-installed position on a wall body, then inserts one end of a column body 1 provided with an expansion gap 5 into a wall hole, and enables a fixed inclined plane centrum 6 on the column body 1 to be tightly attached to the connection position of the wall body and the wall hole, then puts an inner expansion rod 2 into a large hole 32, screws a pushing piece 9 into the large hole 32, and uses a screwdriver to rotate the pushing piece 9 through an opening 91, so that the pushing piece 9 continuously extrudes the inner expansion rod 2 towards an expansion part 4, the inner expansion rod 2 is abutted against a guide surface 31 in the moving process towards the expansion part 4, each expansion part 4 positioned in the wall hole is extruded and outwards opened, the expansion part 4 extrudes the inner wall of the wall hole after outwards opening, so that the inner part of the wall hole is expanded, finally, the expansion part 4 is tightly connected with the inner wall of the wall hole, at the moment, the column body 1 is installed, and then a settlement observation head is screwed on the large hole, and fix the indium steel chi to subsiding observation head, accomplish the installation this moment, this installation easy operation is convenient.

For traditional settlement observation sign, the designable littleer of the size of this cylinder 1 for the hole of beating in the wall body is littleer, reduces the degree of difficulty of punching, and because this inflation portion 4 can extrude wall downthehole wall, makes the downthehole portion of wall enlarged, even if reduce the volume of cylinder 1, also can make to have sufficient joint strength between this cylinder 1 and the wall body. Through the setting of inflation portion 4 for cylinder 1 is inseparable with wall jogged joint, and cylinder 1 is firm in the wall hole. Therefore, after the implicit implosion settlement observation mark is fixed in a wall body and a settlement observation head is installed, the overall stability is strong, the accuracy of measurement of the settlement observation head is ensured, and the discreteness is small. And the fixed inclined plane centrum 6 is attached to the wall body, so that after the cylinder 1 is fixed, the end, provided with the fixed inclined plane centrum 6, of the cylinder 1 cannot shake. Therefore, after the implicit implosion settlement observation mark is fixed in a wall body, the implicit implosion settlement observation mark is not easy to rotate and shake and has good stability.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. An implicit implosion settlement observation mark is characterized in that: the device comprises a cylinder (1) and an inner expansion rod (2), wherein a through hole (3) is formed in the cylinder (1) along the length direction, and the cylinder (1) is provided with a connecting part (7) used for being connected with an observation settlement head;

a plurality of expansion parts (4) are formed at one end of the column body (1), the expansion parts (4) are distributed around the through hole (3), expansion gaps (5) are formed among the expansion parts (4), and the expansion gaps (5) are communicated with the through hole (3);

a fixed inclined plane cone (6) is arranged at one end, far away from the expansion part (4), of the column body (1), and the cross section size of the outer side wall of the column body (1) is gradually reduced from one end, far away from the expansion part (4), to one end, close to the expansion part (4), to form the fixed inclined plane cone (6);

through-hole (3) are including spigot surface (31), interior expander roll (2) are located in through-hole (3), interior expander roll (2) under the exogenic action by the cylinder is provided with the one end of fixed inclined plane centrum (6) to being provided with when the one end of inflation portion (4) slides, interior expander roll (2) lateral wall with spigot surface (31) extrusion and drive inflation piece (6) to the outside direction deformation of cylinder (1).

2. The implicit implosion settlement observation marker according to claim 1, wherein: the guide surface (31) is an inclined surface, and the inclined direction of the guide surface (31) is arranged in a manner that the guide surface is inclined towards the outer side of the column body (1) in the direction from one end of the column body (1) provided with the expansion part (4) to the other end.

3. The implicit implosion settlement observation marker according to claim 2, wherein: the through hole (3) further comprises a large hole (32) and a small hole (33), wherein the large hole (32) and the small hole (33) are respectively located at two ends of the guide surface (31) and connected with the guide surface (31).

4. The implicit implosion settlement observation marker according to claim 3, wherein: the implicit implosion settlement observation mark further comprises a pushing piece (9), the connecting portion (7) is provided with an internal thread, the internal thread is arranged on the side wall of the large hole (32), an external thread matched with the internal thread is arranged on the outer side face of the pushing piece (9), the length of the pushing piece (9) is smaller than that of the large hole (32), an opening (91) convenient for rotating the pushing piece (9) is formed in one end of the pushing piece (9), and when the pushing piece (9) rotates into the large hole (32), the inner expanding rod (2) is pushed to extrude the guide surface (31) and drive the expanding portion (4) to deform towards the outer side direction of the column body (1).

5. The implicit implosion subsidence observation marker of any one of claims 1-4, wherein: one side of the expansion part (4) back to the through hole (3) is provided with a knurl (8).

6. The implicit implosion subsidence observation marker of any one of claims 1-4, wherein: the expansion parts (4) are the same in size and are uniformly distributed on the column body (1) in an annular shape.

7. The implicit implosion subsidence observation marker of any one of claims 1-4, wherein: and a chamfer (41) is arranged at the joint of one end of the expansion part (4) far away from the fixed inclined plane vertebral body (6) and the outer side surface of the expansion part (4).

8. The implicit implosion subsidence observation marker of any one of claims 1-4, wherein: the cross section of the outer side wall of the cylinder (1) is circular, the through hole (3) is a round hole, and the through hole (3) and the cylinder (1) are coaxially arranged.

9. The implicit implosion settlement observation marker according to claim 8, wherein: the inner expanding rod (2) comprises a cylindrical rod (21) and a circular truncated cone (22), the large-caliber end of the circular truncated cone (22) is connected with one end of the cylindrical rod (21), and the cylindrical rod (21) and the circular truncated cone (22) are coaxially arranged and are integrally formed.

10. The implicit implosion settlement observation marker according to claim 9, wherein: the cone angle of the circular truncated cone (22) is equal to or smaller than the cone angle of the guide surface (31).