CN219386435U - Sample extraction device for underwater concrete filling height measurement - Google Patents

Abstract

The utility model discloses a sample extraction device for measuring underwater concrete filling height, which comprises a sampling barrel, a sampling core and a sampling pull rope, wherein the sampling barrel extends up and down, a barrel cavity with an open upper end and a closed lower end and a circumferential direction is formed in the sampling barrel, the sampling core can be movably arranged on the sampling barrel along the up-down direction, and the sampling core comprises an upper core body capable of closing the bottom of the barrel cavity and a lower core body positioned at the bottom of the upper core body and convenient for inserting a sampling layer; the sampling stay cord includes the vice rope that pulls up or drop with the sampling core, hoist and mount on the sampling bucket and can pull up or drop down the main rope, and wherein vice rope is pulled up and is closed the bottom of sampling bucket with the last core in order to form the sampling chamber. This device not only can carry out online sampling at any time to accurate sample that obtains the sample layer, whether this material level exists the concrete according to gained sample can be inferred moreover, avoids excessive watering, causes the waste of concrete, and then effective control fills the stake cost.

Description

Sample extraction device for underwater concrete filling height measurement

Technical Field

The utility model belongs to the technical field of underwater concrete pouring, and particularly relates to a sample extraction device for measuring underwater concrete pouring height.

Background

Currently, underwater pile grouting is a pile formed by grouting concrete in water by a special construction process, and can also be called as an underwater pile grouting. Specifically, underwater concrete pouring generally adopts a conduit method, and the procedures are as follows: after the drilling reaches the designed depth, the hole is kept full with slurry, a reinforcement cage and a lower guide pipe are placed immediately, the end part of the pipe is provided with a ball plug for blocking the slurry from entering the guide pipe, concrete is placed into the pipe, the pipe is continuously irrigated from bottom to top, then the guide pipe is lifted, the concrete is discharged out of the guide pipe under the action of dead weight by means of the pressure formed by the height difference of the concrete inside and outside the guide pipe, the hole (groove) is gradually filled, the slurry is discharged out of the hole, the concrete is not vibrated in the whole process, the pile body is fully filled by flowing of the concrete, and the required compactness is achieved.

However, in the process of pouring concrete, the depth of the formed pile is difficult to accurately know, and once excessive pouring occurs, a large amount of concrete waste is caused by adding a plurality of pouring piles in the area, so that the cost of pouring the pile is greatly increased, and therefore, a need exists for detecting the concrete level of the pouring pile at any time so as to reduce the cost of pouring the pile.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a novel sample extraction device for measuring the underwater concrete pouring height.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the sample extraction device for measuring the underwater concrete filling height comprises a sampling barrel, a sampling core and a sampling pull rope, wherein the sampling barrel extends up and down, a barrel cavity with an open upper end and a closed lower end and a circumferential direction is formed in the sampling barrel, the sampling core can be movably mounted on the sampling barrel along the up-down direction, and the sampling core comprises an upper core body capable of closing the bottom of the barrel cavity and a lower core body positioned at the bottom of the upper core body and convenient for being inserted into a sampling layer; the sampling stay cord includes the vice rope that pulls up or drop with the sampling core, hoist and mount on the sampling bucket and can pull up or drop down the main rope, and wherein vice rope is pulled up and is closed the bottom of sampling bucket with the last core in order to form the sampling chamber.

Preferably, the outer diameter of the upper core body gradually increases from top to bottom, and is in a cone shape or a truncated cone shape, wherein the outer diameter of the bottom of the cone or the truncated cone is larger than the inner diameter of the sampling barrel, and the central line of the cone or the truncated cone coincides with the central line of the barrel cavity. The cone or the circular truncated cone is adopted to form the design, upward lifting can be facilitated, the sample adhered to the surface of the cone or the circular truncated cone can move to the sampling cavity along with the cone or the circular truncated cone, and accordingly sampling accuracy is improved, and therefore whether the sampling layer has concrete or not can be accurately judged according to the sampled sample, and whether the concrete level meets the requirements or not is calculated.

According to a specific implementation and preferred aspect of the utility model, the lower core body is gradually reduced in outer diameter from top to bottom from the bottom of the upper core body, and is in a cone shape or a truncated cone shape, wherein the central line of the cone or the truncated cone body coincides with the central line of the barrel cavity. Under this structural design, the sample layer of being convenient for inserts to obtain the sample more accurately.

Preferably, the upper core body and the lower core body are respectively an upper cone body and a lower cone body (the inside is solid), so that the auxiliary rope can be inserted into the sampling layer after being loosened and completely depends on the dead weight, power is not needed, the implementation is more convenient, and the weight is selected and adjusted according to the actual requirements of the site.

Preferably, a plurality of mounting lugs are distributed at intervals in the circumferential direction of the upper core and the lower core at the joint of the upper core and the lower core, and in general, in order to avoid sampling barriers, the mounting lugs are all arranged at the joint of the upper core and the lower core, and meanwhile, the sampling barrel is arranged on the corresponding mounting lugs through a pull rod assembly which stretches up and down. In the up-and-down motion, the sampling core is prevented from deflecting or shaking, and the sampling operation is more convenient.

In some embodiments, the mounting ears have three, wherein the three mounting ears are separated by an angle of 120 °; the pull rod assemblies correspond to three, each pull rod assembly comprises an upper rod and a lower rod which are vertically movable and are sleeved in an inner sleeved mode, the lower end portion of the lower rod is in butt joint with the mounting lug, and the upper rod is fixed on the sampling barrel. Specifically, the upper rod is fixed at the outer wall of sampling barrel.

According to a further specific implementation and preferred aspect of the utility model, a lifting ring and a lifting arm for connecting the lifting ring with the sampling barrel are arranged at the top of the sampling barrel, a main rope is connected with the lifting ring from the lower end part, a traction end is formed at the upper end part, and a measuring scale is formed on the main rope. Under the butt joint of the hanging ring and the hanging arm, the main rope conveniently pulls up the sampling bucket from the center, and meanwhile, according to the measuring scale, the sampling depth can be calculated, and effective data are provided for the material level calculation of actual concrete.

Preferably, the suspension arm is rod-shaped or rope-shaped (generally rod-shaped, has certain rigidity and is convenient for lifting operation); in some embodiments, the number of the suspension arms is 3, 4 or 5 (more may be), and the suspension arms are uniformly distributed around the central line direction of the sampling barrel, wherein the number of the suspension arms is 3, 4 or 5, and the suspension arms are gradually close from bottom to top.

In addition, the auxiliary rope passes through the hanging ring and is connected with the top of the upper core body from the lower end part, and the upper end part forms a traction end. That is, the lifting of the sampling core is performed by pulling the sub-string, and the main string and the sub-string may be simultaneously pulled to facilitate the extraction of the sample.

Due to the implementation of the technical scheme, compared with the prior art, the utility model has the following advantages:

this sample extraction device, pack into the stake downthehole with sample bucket together with the sample core, and release through main, vice rope carries out anticipated altitude setting, then freely drop by the sample core stretches into the sample layer, and in vice rope pull-up, sample core and sample are to sample bucket bottom motion and remain in the sample intracavity with the sample, then operate main rope with sample bucket, sample core upwards promote and take out from the stake downthehole, consequently, this device not only can carry out online sampling at any time, in order to accurately obtain the sample of sample layer, and whether there is the concrete according to this material level of gained sample can be inferred, avoid excessive watering, cause the waste of concrete, and then effective control fills the stake cost.

Drawings

FIG. 1 is a schematic view of a sample extraction device for underwater concrete filling height measurement (when not sampling);

fig. 2 is a schematic structural view of a sample extraction device for underwater concrete filling height measurement (at the time of sampling);

FIG. 3 is a schematic view (enlarged) of the sampling barrel of FIG. 1;

FIG. 4 is a schematic view (enlarged) of the sampling core of FIG. 1;

wherein: 1. a sampling barrel; 10. a barrel cavity;

2. a sampling core; 20. An upper core; 21. A lower core;

3. sampling pull ropes; 30. An auxiliary rope; 31. A main rope;

4. a mounting ear;

5. a pull rod assembly; 50. a pole is arranged; 51. a lower rod;

6. a hanging ring;

7. and (5) hanging the arm.

Detailed Description

The present utility model will be described in detail with reference to the drawings and the detailed description, so that the above objects, features and advantages of the present utility model can be more clearly understood. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact through an intervening medium. Moreover, a first feature "above" and "over" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under," "under" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "up," "down," "left," "right," and similar expressions are used herein for illustrative purposes only and are not meant to be the only embodiment.

As shown in fig. 1 to 4, the present embodiment provides a sample extraction device particularly suitable for, but not limited to, underwater concrete filling height measurement, which comprises a sampling barrel 1, a sampling core 2 and a sampling pull rope 3, wherein a barrel cavity 10 with open upper and lower ends and closed circumferentially is formed inside the sampling barrel 1; the sampling core 2 can be movably arranged on the sampling barrel 1 along the up-down direction, and the sampling core 2 comprises an upper core body 20 which can close the bottom of a barrel cavity and a lower core body 21 which is positioned at the bottom of the upper core body 20 and is convenient for inserting a sampling layer; the sampling pull cord 3 includes a sub-cord 30 for pulling up or down the sampling core 2, and a main cord 31 hung on the sampling tub 1 and capable of being pulled up or down, wherein the sub-cord 30 is pulled up and closes the bottom of the sampling tub 1 by the upper core 20 to form a sampling cavity.

Specifically, the sampling barrel 1 is cylindrical and extends up and down, the sampling core 2 is located below the sampling barrel 1, the outer diameter of the upper core 20 from top to bottom gradually increases, and the sampling barrel is cone-shaped, wherein the outer diameter of the bottom of the cone is larger than the inner diameter of the sampling barrel 1, and the center line of the cone coincides with the center line of the barrel cavity 10. The lower core 21 is gradually reduced in outer diameter from top to bottom from the bottom of the upper core 20, and is in a cone shape, wherein the central line of the cone coincides with the central line of the barrel cavity 10.

In this example, the upper core 20 and the lower core 21 are solid cones respectively, so that the auxiliary rope 30 can be inserted into the sampling layer after being loosened and completely depends on the dead weight, power is not needed, implementation is more convenient, and weight is selected and adjusted according to actual requirements on site.

In a specific example, a plurality of mounting lugs 4 are circumferentially spaced at the connection between the upper core 20 and the lower core 21, and in general, the number of mounting lugs 4 is 3 (of course 4 or 5 or 6 or more may be used), where the three mounting lugs are separated by an angle of 120 °. At this time, the sampling barrel 1 is mounted on the corresponding mounting lugs 4 through the vertically telescopic pull rod assemblies 5, that is, the pull rod assemblies 5 are in one-to-one correspondence with the number of the mounting lugs 4, in this example, each pull rod assembly 5 includes an upper rod 50 and a lower rod 51 which are vertically movable and sleeved inside and outside, wherein the lower end of the lower rod 51 is in butt joint with the mounting lugs 4, the upper rod 50 is fixed on the outer wall of the sampling barrel 1 (in short, the upper rod 50 is also distributed along the circumferential direction of the sampling barrel 1 at 120 ° intervals), and the upper and lower ends of the upper rod 50 are aligned with the upper and lower ends of the sampling barrel 1.

In order to facilitate the installation and operation of the sampling rope 3, in this example, a hanging ring 6 and a hanging arm 7 for connecting the hanging ring 6 with the sampling barrel 1 are arranged at the top of the sampling barrel 1, wherein the main rope 31 is connected with the hanging ring 6 from the lower end part, the upper end part forms a traction end, the hanging arm is rod-shaped and has a certain rigidity, 3 or 4 or 5 (more can be arranged) hanging arms are uniformly distributed around the central line direction of the sampling barrel, and 3 or 4 or 5 hanging arms are gradually close to each other from bottom to top. The auxiliary rope 30 passes through the hanging ring 6 and is connected with the top of the upper core 20 from the lower end part, and the upper end part forms a traction end.

In this example, in order to calculate the sampling depth, effective data is provided for actual concrete level calculation, and a measuring scale is formed on the main rope 31.

The lifting of the sampling core 2 is performed by pulling up the sub-string 30, and the main string and the sub-string may be pulled at the same time to take out the sample.

From the above, the sample extraction device plugs the sampling barrel and the sampling core into the pile hole together, sets the expected height through the release of the main rope and the auxiliary rope, then freely drops down from the sampling core to extend into the sampling layer, moves the sampling core and the sample to the bottom of the sampling barrel and retains the sample in the sampling cavity in the upward pulling of the auxiliary rope, and then operates the main rope to lift the sampling barrel, the sample and the sampling core upwards and take out from the pile hole, so that on one hand, online sampling can be performed at any time to accurately acquire the sample of the sampling layer, and according to the obtained sample, whether concrete exists at the material level or not can be deduced, excessive pouring is avoided, the waste of the concrete is caused, and the pile pouring cost is effectively controlled; on the other hand, the upper cone and the lower cone are arranged, so that a sample in the sampling layer can be conveniently and accurately obtained, and the sample can represent whether the sampling layer has concrete or not; the third aspect is when drawing the sample, also can drag simultaneously and move main, vice rope in order to take out of sample, and the operation is very convenient, and self simple structure need not external power source moreover, can obtain accurate information.

The present utility model has been described in detail with the purpose of enabling those skilled in the art to understand the contents of the present utility model and to implement the same, but not to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. The utility model provides a sample extraction element that underwater concrete fills height measurement usefulness which characterized in that: the sample extraction device comprises a sampling barrel (1), a sampling core (2) and a sampling pull rope (3), wherein the sampling barrel (1) extends up and down, a barrel cavity (10) with an open upper end and a closed lower end and a circumferential direction is formed inside the sampling barrel, the sampling core (2) can be movably mounted on the sampling barrel (1) along the up-down direction, the sampling core (2) comprises an upper core body (20) capable of closing the bottom of the barrel cavity (10), and a lower core body (21) which is positioned at the bottom of the upper core body (20) and is convenient for being inserted into a sampling layer; the sampling pull rope (3) comprises a secondary rope (30) for pulling the sampling core (2) upwards or downwards and a main rope (31) which is hung on the sampling barrel (1) and can be pulled upwards or downwards, wherein the secondary rope (30) is pulled upwards and is closed at the bottom of the sampling barrel (1) by the upper core body (20) so as to form a sampling cavity.

2. The sample extraction device for underwater concrete filling height measurement according to claim 1, wherein: the outer diameter of the upper core body (20) is gradually increased from top to bottom, and the upper core body is in a cone shape or a round table shape, wherein the outer diameter of the bottom of the cone or the round table is larger than the inner diameter of the sampling barrel (1), and the central line of the cone or the round table coincides with the central line of the barrel cavity (10).

3. The sample extraction device for underwater concrete filling height measurement according to claim 1, wherein: the lower core body (21) is gradually reduced in outer diameter from top to bottom from the bottom of the upper core body (20) and is in a cone shape or a round table shape, wherein the center line of the cone or the round table is overlapped with the center line of the barrel cavity (10).

4. The sample extraction device for underwater concrete filling height measurement according to claim 1, wherein: the sampling barrel comprises an upper core body (20) and a lower core body (21), wherein a plurality of mounting lugs (4) are distributed at intervals in the circumferential direction of the upper core body (20) or the lower core body (21), and the sampling barrel (1) is mounted on the corresponding mounting lugs (4) through a pull rod assembly (5) which stretches up and down.

5. The sample extraction device for underwater concrete filling height measurement according to claim 4, wherein: the three mounting lugs (4) are arranged, and the three pull rod assemblies (5) are correspondingly arranged.

6. The sample extraction device for underwater concrete filling height measurement according to claim 5, wherein: each pull rod assembly (5) comprises an upper rod (50) and a lower rod (51) which are vertically movable and are sleeved in an inner sleeved mode, the lower end portion of the lower rod (51) is in butt joint with the mounting lug (4), and the upper rod (50) is fixed on the sampling barrel (1).

7. The sample extraction device for underwater concrete filling height measurement according to claim 6, wherein: the upper rod (50) is fixed on the outer wall of the sampling barrel (1).

8. The sample extraction device for underwater concrete filling height measurement according to claim 1, wherein: the top of sampling bucket (1) is equipped with rings (6), is used for with rings (6) with davit (7) that sampling bucket (1) are connected, main rope (31) from lower tip with rings (6) are connected, upper end forms the traction end, just form measuring scale on main rope (31).

9. The sample extraction device for underwater concrete filling height measurement according to claim 8, wherein: the suspension arm (7) is in a rod shape or a rope shape; and/or the plurality of the suspension arms (7) are uniformly distributed around the central line direction of the sampling barrel (1), wherein the plurality of the suspension arms (7) are gradually close to each other from bottom to top.

10. The sample extraction device for underwater concrete filling height measurement according to claim 8, wherein: the auxiliary rope (30) passes through the hanging ring (6) and is connected with the top of the upper core body (20) from the lower end part, and the upper end part forms a traction end.