CN214538635U - Fixing tool for drilling core sample on concrete test block - Google Patents

Abstract

The utility model relates to the technical field of engineering detection, in particular to a fixing tool for drilling a core sample on a concrete test block; the utility model is provided with the fixing device to fix the test block, thereby facilitating the installation of the subsequent limiting device and the drilling of the drilling tool; on the basis, a limiting device connected with the fixing device is arranged and used for fixing the drilling tool, so that a drill bit of the drilling tool can move linearly to ensure that the side surface of the drilled core sample is straight; therefore, the utility model is provided with the fixing device and the limiting device, so that the drilling tool can not shake with the test block when drilling the test block, thereby improving the accuracy of concrete detection; in addition, people can also set up the locating part through being located the test block clamp plate and keeping away from fixing device one side to the degree of depth that the fixed drill bit stretched into the test block.

Description

Fixing tool for drilling core sample on concrete test block

Technical Field

The utility model belongs to the technical field of the engineering detects technique and specifically relates to a bore fixing tool of system core appearance on concrete test block.

Background

The detection of the performance and the pouring quality of concrete materials is divided into a non-damage method and a partial damage method according to the influence on the materials. The non-damage method has the advantages of no damage to the concrete structure, simple instrument and equipment, convenient operation, capability of repeatedly testing the concrete structure, convenience for large-range inspection and the like, so the method is popular with the engineering technicians; the nondestructive testing method mainly comprises a rebound method, an ultrasonic rebound synthesis method, a ray method, a maturity method and the like, wherein the nondestructive testing method taking a rebound apparatus and an ultrasonic apparatus as main instruments is most convenient to operate and most popular to use, has higher testing precision under the condition of an intensity measuring curve, and is a basic nondestructive testing technology acknowledged by the academic circles at home and abroad; on the contrary, the partial damage method is limited because it causes partial damage to the concrete structure, is not suitable for large-scale inspection and has high cost; however, the partial failure method is not only directly reliable, but also is an indispensable effective method in many cases; the core drilling sampling method can visually detect the pouring quality of concrete, such as the internal cementation condition, air holes and segregation of the concrete, and is known as a test method for detecting the concrete strength more visually and reliably.

However, the current core drilling method only can apply pressure after grinding two ends of a core sample, and cannot apply pressure on the arc-shaped side surface of the core sample; the main reason is that in the prior art, when a core drilling and sampling method is used, all used tools are used for drilling, the core drilling and sampling method is not a special tool for core drilling, the side surface of a drilled core sample cannot be straight, and the accuracy of concrete detection can be influenced if pressure is applied to the side surface.

Disclosure of Invention

The utility model aims at providing a fixing tool for drilling a core sample on a concrete test block, which can realize the fixation of a drilling tool and the test block and can straighten the side surface of the drilled concrete core sample;

the utility model provides a pair of fixing tool who bores system core appearance on concrete test block, include:

the fixing device is used for being connected with the test block;

the limiting device is used for fixing the drilling tool and enabling a drill bit of the drilling tool to move linearly and is connected with the fixing device.

As a further embodiment, the fixing means comprises:

the test block pressing plate is connected with the limiting device;

the first fastener is arranged on the test block pressing plate;

and the fixing piece is connected with the test block pressing plate.

As another embodiment, the fixing member includes:

the number of the first upright columns is at least two, and the first upright columns are respectively arranged on two sides of the test block pressing plate;

the bottom plate is connected with one end part of the first upright post;

wherein, the test block clamp plate is hollow structure.

As a further embodiment, the restriction device comprises:

the number of the second upright columns is at least two, and the second upright columns are arranged on two sides of the fixing device;

the sliding component is connected with the second upright column in a sliding manner;

the sliding sleeve plate is fixedly connected with the sliding part;

and the second fastener is connected with the sliding sleeve plate.

As another embodiment, the second upright is a guide post.

In another embodiment, the sliding member is a flange-type linear bearing.

In another embodiment, the flange-type linear bearing is an elongated circular flange-type linear bearing.

As another embodiment, the sliding sleeve plate is a hollow structure, a through hole is formed in the sliding sleeve plate, and one end of the second fastening piece can penetrate through the through hole and then extend into the hollow structure.

As another embodiment, the device also comprises a return spring which is sleeved on the second upright post and the sliding part.

In another embodiment, the test block further comprises a limiting member located on one side of the test block pressing plate away from the fixing device.

Has the advantages that:

the utility model is provided with the fixing device to fix the test block, thereby facilitating the installation of the subsequent limiting device and the drilling of the drilling tool; on the basis, a limiting device connected with the fixing device is arranged and used for fixing the drilling tool, so that a drill bit of the drilling tool can move linearly to ensure that the side surface of the drilled core sample is straight; therefore, the utility model is provided with the fixing device and the limiting device, so that the drilling tool can not shake with the test block when drilling the test block, thereby improving the accuracy of concrete detection; in addition, a limiting part is arranged on one side, away from the fixing device, of the test block pressing plate, so that the depth of the drill bit extending into the test block is fixed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a three-dimensional structure of a drilling tool and a test block mounted on a fixing tool for drilling a core sample on a concrete test block according to the present invention;

fig. 2 is a schematic perspective view of a fixing tool for drilling a core sample on a concrete test block, which is provided by the present invention, and a drilling tool is installed on the fixing tool;

fig. 3 is the utility model provides a pair of fixing tool who bores core sample on concrete test block installs the main direction of looking structure sketch that bores the instrument of getting.

Description of reference numerals:

1. a fixing device; 11. pressing the test block; 12. a first fastener; 13. a fixing member; 131. a first upright post; 132. a base plate;

2. a restriction device; 21. a second upright post; 22. a sliding member; 23. a sliding sleeve plate; 231. a through hole; 24. a second fastener;

3. a return spring;

4. and a limiting member.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but 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" and "first" 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that, in the present invention, "straight" means straight and neat without unevenness;

as shown in fig. 1 to 3, the fixing tool for drilling a core sample on a concrete test block provided by the present invention comprises a fixing device 1 and a limiting device 2, wherein the fixing device 1 is used for connecting with the test block; in practical use, the fixing device 1 is arranged to play a role in fixing the test block and facilitating the connection of the subsequent limiting device 2;

the limiting device 2 is connected with the fixing device 1; the limiting device 2 is used for fixing the drilling tool and enabling a drill bit of the drilling tool to move linearly; in practical use, the limiting device 2 is arranged, so that the drilling tool can be fixed on one hand, and a drill bit of the drilling tool can be ensured to move linearly on the other hand;

it should be noted that, in the present embodiment, the drilling tool is preferably an engineering water drilling machine, and of course, in other embodiments, a person skilled in the art may also adopt other suitable arrangements as long as the corresponding function, function or effect can be achieved; wherein the content of the first and second substances,

the fixing device 1 comprises a test block pressing plate 11, a first fastening piece 12 (such as a screw) and a fixing piece 13, wherein the test block pressing plate 11 is connected with the limiting device 2; the first fastener 12 is arranged on the test block pressing plate 11; the fixing piece 13 is connected with the test block pressing plate 11; in practical use, the test block pressing plate 11 is arranged to play a role of facilitating the connection of the limiting device 2; by arranging the first fastening member 12 and the fixing member 13, people can fix the test block through the first fastening member 12, specifically, when actually drilling, the test block is placed on the fixing member 13 in advance, and the test block is positioned between the test block pressing plate 11 and the fixing member 13, and the first fastening member 12 is arranged on the test block pressing plate 11, so that the test block can be fixed by adjusting the first fastening member 12; it should be understood that "the fixture 1 includes a test block pressing plate 11, a first fastening member 12, and a fixing member 13, the test block pressing plate 11 being connected to the limiting device 2; the first fastener 12 is arranged on the test block pressing plate 11; the fixing piece 13 is connected with the test block pressing plate 11; "merely as a preference, in one embodiment, a person skilled in the art can also set the fixing device 1 to other suitable shapes and configurations according to actual needs, as long as the corresponding action, function or effect can be achieved;

as an alternative embodiment, the fixing member 13 includes a first pillar 131 and a bottom plate 132; the number of the first upright posts 131 is at least two, and the first upright posts are respectively arranged on two sides of the test block pressing plate 11; the bottom plate 132 is connected to one end of the first pillar 131; wherein, the test block pressing plate 11 is a hollow structure; in practical use, since the bottom plate 132 is connected to the test block pressing plate 11 through the first upright column 131, a gap exists between the bottom plate 132 and the test block pressing plate 11, so that people can place the test block on the bottom plate 132, and since the first fastening member 12 is arranged on the test block pressing plate 11, the test block can be fixed by adjusting the first fastening member 12; it should be understood that "the fixing member 13 includes the first pillar 131 and the base plate 132; the number of the first upright posts 131 is at least two, and the first upright posts are respectively arranged on two sides of the test block pressing plate 11; the bottom plate 132 is connected to one end of the first pillar 131; wherein, the test block pressing plate 11 is a hollow structure; "just as preferably, in one embodiment, the fixing member 13 may be configured in other suitable shapes and configurations according to actual needs by those skilled in the art as long as the corresponding function, function or effect can be achieved;

then, the limiting device 2 includes a second pillar 21, a sliding member 22, a sliding strap 23, and a second fastener 24; the number of the second upright posts 21 is at least two, and the second upright posts are arranged on two sides of the fixing device 1; the sliding part 22 is connected with the second upright post 21 in a sliding way; the sliding sleeve plate 23 is fixedly connected with the sliding part 22; a second fastener 24 connected to the sliding strap 23; in practical use, firstly, people fix the drilling tool on the hollow structure of the sliding sleeve plate 23 through the second fastening piece 24 so that the drill bit of the drilling tool can make a linear motion, then when drilling the test block by using the drilling tool, the test block is fixed by the fixing device 1, so by adopting the arrangement, only the drill bit of the drilling tool can be ensured to rotate, the drilling tool is always fixed on the sliding sleeve plate 23, and because the sliding sleeve plate 23 is in sliding connection with the second upright post 21 through the sliding part 22, when drilling the test block by using the drilling tool, the sliding sleeve plate 23 and the sliding part 22 fixed with the drilling tool can slide on the second upright post 21 along with the change of the drilling depth of the drill bit; it should be understood that "the limiting device 2 comprises a second upright 21, a sliding part 22, a sliding strap 23 and a second fastener 24; the number of the second upright posts 21 is at least two, and the second upright posts are arranged on two sides of the fixing device 1; the sliding part 22 is connected with the second upright post 21 in a sliding way; the sliding sleeve plate 23 is fixedly connected with the sliding part 22; the second fastening member 24 is connected to the sliding sleeve plate 23 "only as a preference, and in one embodiment, the person skilled in the art can also provide the restriction device 2 with other suitable shapes and configurations according to actual needs, as long as the corresponding function, function or effect can be achieved; wherein the content of the first and second substances,

the second upright post 21 is a guide post; in practical use, the guide post is a guide post, so that the sliding sleeve plate 23 fixed with the drilling tool can better slide on the second upright post 21 through the sliding part 22; it should be understood that the "second upright 21 is a guide pillar" only as a preference, and in one embodiment, the skilled person can also provide the second upright 21 with other suitable shapes and configurations according to the actual needs, as long as the corresponding function, function or effect can be achieved.

As an alternative embodiment, the sliding member 22 is a flange-type linear bearing; in practical use, the flange-type linear bearing not only has low production cost, but also is convenient for installing the sliding part 22 on the sliding sleeve plate 23, so the sliding part 22 is especially set as a metal linear bearing of the flange-type linear bearing; it should be understood that the sliding member 22 is preferably a flange-type linear bearing, and in one embodiment, the sliding member 22 may be configured in other suitable shapes and configurations as required by those skilled in the art, so long as the corresponding function, function or effect is achieved;

furthermore, the flange type linear bearing is an elongated circular flange type linear bearing; in practical use, the return spring 3 is convenient to install subsequently, so that the lengthened circular flange type linear bearing is specially selected; it should be understood that "the sliding member 22 is a flange-type linear bearing" is merely preferable, and in one embodiment, a person skilled in the art may also provide the flange-type linear bearing with other suitable shapes and configurations according to actual needs, as long as the corresponding function, function or effect can be achieved;

as an alternative embodiment, the sliding sleeve plate 23 is a hollow structure, a through hole 231 is provided on the sliding sleeve plate 23, and one end of the second fastening member 24 can extend into the hollow structure after passing through the through hole 231; in practical use, the sliding sleeve plate 23 is provided with a hollow structure so that a drilling tool can extend into the hollow structure, so that the drilling tool is fixed with the sliding sleeve plate 23 by adjusting the second fastening piece 24; it should be understood that "the sliding sleeve plate 23 is a hollow structure, a through hole 231 is provided on the sliding sleeve plate 23, and one end of the second fastening member 24 can extend into the hollow structure after passing through the through hole 231; "it is merely preferable, and in one embodiment, the person skilled in the art can also provide the sliding sleeve plate 23 with other suitable shapes and configurations according to the actual needs, as long as the corresponding function, function or effect can be achieved.

Of course, as an alternative embodiment, the device further comprises a return spring 3, which is sleeved on the second upright post 21 and the sliding part 22; in practical use, in order to facilitate the separation of the test block from the drill bit and facilitate the detachment of the test block after drilling, the return spring 3 is specially sleeved on the second upright post 21 and the sliding part 22; it should be understood that "the return spring 3 is sleeved on the second upright 21 and the sliding part 22" is only preferred, and in one embodiment, the skilled person can also set the return spring 3 to other suitable shapes and configurations according to the actual needs, as long as the corresponding function, function or effect can be achieved.

As an optional embodiment, the test block fixing device further comprises a limiting member 4, which is located on one side of the test block pressing plate 11 away from the fixing device 1, when the sliding member 22 contacts with the limiting member 4, the sliding member 22 stops sliding, and the drill bit cannot continue to extend into the test block pressing plate; in actual use, the limiting piece 4 is arranged to limit the depth of the drill bit extending into the test block, so that a core sample with a fixed height can be drilled; it should be understood that "the limiting member 4 is located on the side of the test block pressing plate 11 away from the fixing device 1, when the sliding member 22 contacts with the limiting member 4, the sliding member 22 stops sliding, and the drill bit cannot continue to extend" is only preferable, and in one embodiment, the limiting member 4 may be configured in other suitable shapes and configurations according to actual needs by those skilled in the art, as long as the corresponding function, function or effect can be achieved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A fixing tool for drilling a core sample on a concrete test block is characterized by comprising:

a fixture (1) for connection to a test block;

and the limiting device (2) is used for fixing the drilling tool and enabling a drill bit of the drilling tool to move linearly and is connected with the fixing device (1).

2. A fixture for drilling core samples on concrete test blocks according to claim 1, characterized in that the fixture (1) comprises:

a test block pressing plate (11) connected with the limiting device (2);

a first fastener (12) arranged on the test block pressing plate (11);

and the fixing piece (13) is connected with the test block pressing plate (11).

3. A fixing tool for drilling a core sample on a concrete sample according to claim 2, wherein said fixing member (13) comprises:

the number of the first upright columns (131) is at least two, and the first upright columns are respectively arranged on two sides of the test block pressing plate (11);

a bottom plate (132) connected to one end of the first column (131);

wherein, the test block pressing plate (11) is of a hollow structure.

4. A fixing tool for drilling core samples on concrete test blocks according to claim 3, characterized in that said limiting means (2) comprises:

the number of the second upright columns (21) is at least two, and the second upright columns are arranged on two sides of the fixing device (1);

a sliding member (22) slidably connected to the second column (21);

a sliding sleeve plate (23) fixedly connected with the sliding component (22);

a second fastener (24) connected to the sliding strap (23).

5. The fixing tool for drilling a core sample on a concrete sample according to claim 4, wherein the second upright (21) is a guide post.

6. The fixture for drilling a core pattern on a concrete sample according to claim 4, wherein the sliding member (22) is a flange-type linear bearing.

7. The fixing tool for drilling a core sample on a concrete test block as claimed in claim 6, wherein the flange type linear bearing is an elongated circular flange type linear bearing.

8. The fixing tool for drilling the core sample on the concrete test block as claimed in claim 4, wherein the sliding sleeve plate (23) is a hollow structure, a through hole (231) is formed on the sliding sleeve plate (23), and one end of the second fastening member (24) can extend into the hollow structure after passing through the through hole (231).

9. The fixing tool for drilling core sample on concrete test block as claimed in claim 4, further comprising a return spring (3) sleeved on said second upright column (21) and said sliding member (22).

10. The fixing tool for drilling core sample on concrete test block according to claim 2, further comprising a stopper (4) located on one side of the test block pressing plate (11) away from the fixing device (1).

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