CN213301967U

CN213301967U - Vertical fixing device of civil engineering porosity tensiometer

Info

Publication number: CN213301967U
Application number: CN202022397575.5U
Authority: CN
Inventors: 刘宇; 向华; 李镇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-05-28
Anticipated expiration: 2030-10-26

Abstract

The utility model provides a vertical fixation device of civil engineering porosity tensiometer, includes the barrel, sets up the positioning disk at the barrel top and sets up the spacing wheel below the positioning disk, and the barrel is open-topped cylindrical casing, and upper portion is equipped with the inner flange in the barrel inner face, is equipped with the spout on the barrel lateral wall, and barrel bottom center is equipped with the mount, the spacing wheel is established at inner flange top surface, positioning disk top and barrel fixed connection, compare with prior art, the utility model discloses can fix the movable rod of the straight-bar motor of connecting dimension within a certain range fast, make the porosity tensiometer set up perpendicular to the horizontal plane; when the device is disassembled, the first pin rod is pulled out, the push rod is pulled back, and the vertical fixing constraint can be quickly removed; the dismouting is convenient, and perpendicular restraint is effectual.

Description

Vertical fixing device of civil engineering porosity tensiometer

Technical Field

The utility model relates to a civil engineering equipment technical field, in particular to civil engineering porosity tensiometer's vertical fixation device.

Background

Well cementation is an indispensable important link in the process of drilling and completion operations, plays a crucial role in the quality of the whole project, and mainly comprises casing setting and cement slurry injection; wherein, the cement slurry is used for forming cement stones with certain strength and sealing property by being condensed in an annular space between the casing and the well wall, thereby achieving the purposes of maintaining the stability of the well wall, sealing adjacent oil gas water layers, dragging the casing and the like; when oil gas is extracted from the fixed channel through the shooting well, cement can prevent accidents such as gas channeling, well wall collapse and the like; for the evaluation of the formula and the process flow of the cement slurry, the test analysis of the mechanical strength and the permeability of the set cement is an important means, and the existence of the set cement cracks/pores directly influences the packing performance and the mechanical strength of the set cement and influences the accuracy of well logging, so the evaluation of the porosity is also important.

At present, in the actual work of measuring the porosity of the solid, methods of water immersion, water boiling or other chemical solvent immersion are mostly adopted, and the methods can be respectively used for measuring the porosity of a hydrophilic/hydrophobic sample according to the selection of a measuring medium, and the principle is that the volume of a framework is calculated by measuring the change of the mass of liquid (water, oil, alcohol and the like) before and after the liquid is immersed into a cement stone sample to be measured, so that the porosity value is calculated; the porosity tensiometer is used for connecting a macroporous gauze in the detection process, a cement stone sample to be detected is arranged in the macroporous gauze, the other end of the porosity tensiometer is connected with lifting tools such as a straight rod motor, and the like, so that the cement stone sample to be detected can be immersed/extracted with a measurement liquid at a constant speed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device of quick vertical fixation porosity tensiometer of ability to above problem.

The utility model provides a technical scheme that above technical problem adopted is:

a vertical fixing device of a civil engineering porosity tensiometer comprises a barrel, a positioning disk arranged at the top of the barrel and a limiting wheel arranged below the positioning disk, wherein the barrel is a cylindrical shell with an opening at the top; a second window hole is formed in the center of the positioning disc, a plurality of sinking grooves are formed in the top surface of the positioning disc, straight slotted holes are formed in the sinking grooves, a vertical lock shell is arranged at the top of the positioning disc, two flat lock shells are symmetrically arranged at the top of the positioning disc, and adaptive sliding blocks are arranged in the sinking grooves; a first window hole is formed in the center of the limiting wheel, a push rod is arranged on the side wall of the limiting wheel, the free end of the push rod penetrates through the sliding groove to be exposed, a plurality of arc-shaped groove holes are correspondingly formed in the limiting wheel and right below the straight groove hole, and a plurality of clamping grooves are uniformly distributed in the shape of a ring on the top surface of the limiting wheel; the bottom of the sliding block is provided with a sliding rod, the bottom of the sliding rod is provided with a limiting disc, the bottom of the sliding rod penetrates through the straight slot hole and the arc slot hole, and the limiting disc is restrained in a groove in the bottom surface of the limiting wheel; a first pin rod is vertically arranged in the vertical lock shell, a first retaining ring is arranged at the lower part of the first pin rod, a wedge block is arranged on the bottom surface of the first pin rod, the first pin rod penetrates through a pin hole in the positioning disc, the wedge block is inserted into the clamping groove, a first spring is sleeved on the first pin rod, one end of the first spring is abutted against the first retaining ring, and the other end of the first spring is abutted against the inner top surface of the pin hole; a second pin rod is horizontally arranged in the flat lock shell, a second retaining ring is arranged at the front part of the second pin rod, a pin head is arranged at the front end of the second pin rod, a second spring is sleeved on the second pin rod, one end of the second spring abuts against the second retaining ring, and the other end of the second spring abuts against the inner surface of the flat lock shell.

As a further improvement, the number of the sinking grooves is not less than three, the opening direction of the sinking grooves is consistent with the radial direction of the cylinder body, and the sinking grooves are uniformly distributed in an annular mode around the axis of the cylinder body.

After the arrangement, the sliding block is fed along the sinking groove at the same time, the distance from the front end of the sliding block to the center of the cylinder body is ensured to be equal, namely, the sliding block fixes the movable rod of the straight rod motor at the center of the cylinder body, and the sliding block is not stressed axially.

As a further improvement, the opening direction of the sinking groove is consistent with that of the straight groove hole, and the straight groove hole is arranged at the center of the sinking groove.

Then, after such setting, the interference is reduced.

As a further improvement, the included angle between the inclined surface on the wedge block and the vertical surface is not less than 45 degrees.

After the arrangement, the wedge blocks can conveniently slide out of the clamping grooves along the same direction under the action of horizontal force.

As a further improvement, the inside of the clamping groove is matched with the wedge block.

After the arrangement, the wedge blocks can conveniently slide out of the clamping grooves along the same direction and cannot move along the opposite direction.

As a further improvement, the outer diameter of the limiting wheel, the outer diameter of the positioning disc and the inner diameter of the cylinder body are the same in size.

Thus, the displacement of the parts due to the clearance is reduced, and the mechanism is further locked.

As a further improvement, the fixing frame is provided with a plurality of positioning holes.

So arranged, the porosity tensiometer is convenient to connect.

As a further improvement, the outer surface of the push rod is provided with anti-skid textures.

Thus, the force is convenient to apply after the arrangement.

As a further improvement, the pin head is exposed out of the flat lock shell, and the front end of the pin head is an arc surface.

The arrangement can reduce the scratch on the surface of the fixed object and can also guide the pin head to be quickly inserted into the pin hole on the fixed object.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model can fast fix the movable rod of the straight rod motor with the size within a certain range, so that the porosity tension meter is arranged perpendicular to the horizontal plane; when the device is disassembled, the first pin rod is pulled out, the push rod is pulled back, and the vertical fixing constraint can be quickly removed; the dismouting is convenient, and perpendicular restraint is effectual.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a partial sectional view in the direction of a-a in fig. 2.

Fig. 4 is a partial sectional view in the direction C-C in fig. 3.

Fig. 5 is a partial sectional view in the direction B-B in fig. 2.

Fig. 6 is an exploded view of the present invention.

Fig. 7 is a schematic structural diagram of the positioning plate of the present invention.

Fig. 8 is a schematic structural view of the limiting wheel of the present invention.

Fig. 9 is another schematic view of the angle structure of the spacing wheel of the present invention.

Fig. 10 is a schematic structural diagram of the slider according to the present invention.

Fig. 11 is a schematic view of the motion principle of the sliding block according to the present invention.

Fig. 12 is a schematic view of the usage state of the present invention.

In the figure, 1, a cylinder body, 11, an inner flange, 12, a sliding groove, 2, a limiting wheel, 21, a first window hole, 22, a push rod, 23, an arc groove hole, 24, a clamping groove, 3, a positioning disc, 31, a second window hole, 32, a sinking groove, 321, a straight groove hole, 33, a vertical lock shell, 331, a first pin rod, 332, a first retaining ring, 333, a wedge block, 334, a first spring, 34, a flat lock shell, 341, a second pin rod, 342, a second retaining ring, 343, a pin head, 344, a second spring, 4, a sliding block, 41, a sliding rod, 42, a limiting disc, 5, a fixing frame and 51 are provided.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 to 10, a vertical fixing device of a porosity tension meter for civil engineering comprises a cylinder 1, a positioning plate 3 arranged at the top of the cylinder 1 and a limiting wheel 2 arranged below the positioning plate 3, wherein the cylinder 1 is a cylindrical shell with an open top, an inner flange 11 is arranged at the middle upper part of the inner surface of the cylinder 1, a sliding groove 12 is arranged on the side wall of the cylinder 1, a fixing frame 5 is arranged at the center of the bottom of the cylinder 1, the limiting wheel 2 is arranged on the top surface of the inner flange 11, and the top of the positioning plate 3 is fixedly connected with the cylinder 1; a second window hole 31 is formed in the center of the positioning disc 3, a plurality of sinking grooves 32 are formed in the top surface of the positioning disc 3, straight groove holes 321 are formed in the sinking grooves 32, a vertical lock shell 33 is arranged at the top of the positioning disc 3, two flat lock shells 34 are symmetrically arranged at the top of the positioning disc 3, and sliding blocks 4 which are matched with each other are arranged in the sinking grooves 32; a first window hole 21 is formed in the center of the limiting wheel 2, a push rod 22 is arranged on the side wall of the limiting wheel 2, the free end of the push rod 22 penetrates through the sliding groove 12 to be exposed, a plurality of arc-shaped groove holes 23 are correspondingly formed in the limiting wheel 2 and under the straight groove hole 321, and a plurality of clamping grooves 24 are uniformly distributed in the annular shape on the top surface of the limiting wheel 2; the bottom of the sliding block 4 is provided with a sliding rod 41, the bottom of the sliding rod 41 is provided with a limiting disc 42, the bottom of the sliding rod 41 passes through the straight slot hole 321 and the arc slot hole 23, and the limiting disc 42 is restrained in a groove on the bottom surface of the limiting wheel 2; a first pin rod 331 is vertically arranged in the vertical lock shell 33, a first retaining ring 332 is arranged at the lower part of the first pin rod 331, a wedge block 333 is arranged at the bottom surface of the first pin rod 331, the first pin rod 331 penetrates through a pin hole on the positioning disk 3, the wedge block 333 is inserted into the clamping groove 24, a first spring 334 is sleeved on the first pin rod 331, one end of the first spring 334 abuts against the first retaining ring 332, and the other end of the first spring 334 abuts against the inner top surface of the pin hole; a second pin 341 is horizontally arranged in the flat lock case 34, a second retaining ring 342 is arranged at the front of the second pin 341, a pin head 343 is arranged at the front end of the second pin 341, a second spring 344 is sleeved on the second pin 341, one end of the second spring 344 abuts against the second retaining ring 342, and the other end abuts against the inner surface of the flat lock case 34.

The number of the sinking grooves 32 is not less than three, the opening direction of the sinking grooves 32 is consistent with the radial direction of the cylinder body 1, and the sinking grooves 32 are uniformly distributed in an annular mode around the axis of the cylinder body 1; the opening direction of the sinking groove 32 is consistent with the opening direction of the straight groove hole 321, and the straight groove hole 321 is arranged at the center of the sinking groove 32; the included angle between the inclined plane on the wedge block 333 and the vertical plane is not less than 45 degrees; the inside of the clamping groove 24 is matched with a wedge block 333; the outer diameter of the limiting wheel 2, the outer diameter of the positioning disc 3 and the inner diameter of the cylinder 1 are the same in size; a plurality of positioning holes 51 are arranged on the fixing frame 5; the outer surface of the push rod 22 is provided with anti-skid grains; the pin head 343 is exposed out of the lock case 34, and the front end of the pin head 343 is an arc surface.

As shown in fig. 11, when the push rod 22 is rotated, the limiting wheel 2 rotates counterclockwise, the sliding rod 41 at the bottom of the sliding block 4 moves from outside to inside under the constraint of the arc slot 23, that is, the sliding block 4 gradually extends out of the sunken groove 32, and the wedge 333 at the bottom of the first pin 331 and the slot 24 form a ratchet mechanism, so that the wedge 333 slides from one slot 24 to another adjacent slot 24 when the limiting wheel 2 rotates counterclockwise by a certain angle, and only when an upward external force is applied to the first pin 331, the wedge 333 exits from the slot 24, so that the limiting wheel 2 can rotate clockwise.

As shown in fig. 12, in the above structure, when in use, the fixed frame 5 is fixedly connected with the back of the porosity tensiometer, two second pins 341 are pulled out by two hands, the pin head 343 is retracted into the flat lock case 34, the movable rod of the straight rod motor is inserted into the first window hole 21, when the pin hole on the movable rod is close to the pin head 343, the external force on the second pins 341 is removed, under the spring force of the second spring 344, the pin head 343 is inserted into the pin hole of the movable rod, the pin head 343 bears the force along the axial direction of the movable rod, because the porosity tensiometer hangs objects to swing, the radial force on the movable rod needs to be applied to keep the porosity tensiometer vertically placed with the horizontal plane, at this time, the push rod 22 is rotated, the clamping groove 24 on the limiting wheel 2 and the wedge 333 at the bottom of the first pin 331 form a ratchet mechanism, the slide block 4 gradually extends out of the counter-clockwise counter-rotating groove 32 as the limiting wheel 2, and simultaneously abuts against the movable rod, thereby restricting the radial degree of freedom of the movable rod, and during disassembly, when the first pin rod 331 is pulled out, the push rod 22 is pulled back, and then the two second pin rods 341 are pulled out simultaneously.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The embodiments of the present invention have been described in detail, and the principles and embodiments of the present invention have been explained herein using specific embodiments, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The vertical fixing device of the civil engineering porosity tensiometer comprises a barrel body (1), a positioning disk (3) arranged at the top of the barrel body (1) and a limiting wheel (2) arranged below the positioning disk (3), and is characterized in that the barrel body (1) is a cylindrical shell with an opening at the top, an inner flange (11) is arranged at the middle upper part of the inner surface of the barrel body (1), a sliding groove (12) is arranged on the side wall of the barrel body (1), a fixing frame (5) is arranged at the center of the bottom of the barrel body (1), the limiting wheel (2) is arranged on the top surface of the inner flange (11), and the top of the positioning disk (3) is fixedly connected with the barrel body (1);

a second window hole (31) is formed in the center of the positioning disc (3), a plurality of sinking grooves (32) are formed in the top surface of the positioning disc (3), straight slotted holes (321) are formed in the sinking grooves (32), a vertical lock shell (33) is arranged at the top of the positioning disc (3), two flat lock shells (34) are symmetrically arranged at the top of the positioning disc (3), and sliding blocks (4) matched with each other are arranged in the sinking grooves (32);

a first window hole (21) is formed in the center of the limiting wheel (2), a push rod (22) is arranged on the side wall of the limiting wheel (2), the free end of the push rod (22) penetrates through the sliding groove (12) to be exposed, an arc groove hole (23) is correspondingly formed in the limiting wheel (2) and right below the straight groove hole (321), and a plurality of clamping grooves (24) are uniformly distributed in the annular shape on the top surface of the limiting wheel (2);

a sliding rod (41) is arranged at the bottom of the sliding block (4), a limiting disc (42) is arranged at the bottom of the sliding rod (41), the bottom of the sliding rod (41) penetrates through the straight slot hole (321) and the arc slot hole (23), and the limiting disc (42) is constrained in a groove in the bottom surface of the limiting wheel (2);

a first pin rod (331) is vertically arranged in the vertical lock shell (33), a first blocking ring (332) is arranged at the lower part of the first pin rod (331), a wedge block (333) is arranged on the bottom surface of the first pin rod (331), the first pin rod (331) penetrates through a pin hole in the positioning disc (3), the wedge block (333) is inserted into the clamping groove (24), a first spring (334) is sleeved on the first pin rod (331), one end of the first spring (334) abuts against the first blocking ring (332), and the other end of the first spring (334) abuts against the inner top surface of the pin hole;

a second pin rod (341) is horizontally arranged in the flat lock shell (34), a second retaining ring (342) is arranged at the front part of the second pin rod (341), a pin head (343) is arranged at the front end of the second pin rod (341), a second spring (344) is sleeved on the second pin rod (341), one end of the second spring (344) abuts against the second retaining ring (342), and the other end of the second spring (344) abuts against the inner surface of the flat lock shell (34).

2. The vertical fixture of a civil engineering porosity tensile gauge of claim 1, wherein: the number of the sinking grooves (32) is not less than three, the opening direction of the sinking grooves (32) is consistent with the radial direction of the cylinder body (1), and the sinking grooves (32) are uniformly distributed around the axis of the cylinder body (1) in an annular mode.

3. A vertical fixture of a civil engineering porosity tensile force meter according to claim 1 or 2, characterized in that: the opening direction of the sinking groove (32) is consistent with the opening direction of the straight slotted hole (321), and the straight slotted hole (321) is arranged at the center of the sinking groove (32).

4. The vertical fixture of a civil engineering porosity tensile gauge of claim 1, wherein: the included angle between the inclined plane on the wedge block (333) and the vertical plane is not less than 45 degrees.

5. The vertical fixture of a civil engineering porosity tensile gauge of claim 1, wherein: the inside of the clamping groove (24) is matched with the wedge block (333).

6. The vertical fixture of a civil engineering porosity tensile gauge of claim 1, wherein: the outer diameter of the limiting wheel (2), the outer diameter of the positioning disc (3) and the inner diameter of the cylinder body (1) are the same in size.

7. The vertical fixture of a civil engineering porosity tensile gauge of claim 1, wherein: the fixing frame (5) is provided with a plurality of positioning holes (51).

8. The vertical fixture of a civil engineering porosity tensile gauge of claim 1, wherein: the outer surface of the push rod (22) is provided with anti-skid textures.

9. The vertical fixture of a civil engineering porosity tensile gauge of claim 1, wherein: the pin head (343) is exposed out of the flat lock shell (34), and the front end of the pin head (343) is an arc surface.