CN218444562U - Sampling device for rapidly detecting quality of concrete mixture - Google Patents
Sampling device for rapidly detecting quality of concrete mixture Download PDFInfo
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- CN218444562U CN218444562U CN202222708485.2U CN202222708485U CN218444562U CN 218444562 U CN218444562 U CN 218444562U CN 202222708485 U CN202222708485 U CN 202222708485U CN 218444562 U CN218444562 U CN 218444562U
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Abstract
The utility model discloses a concrete mix quality short-term test's sampling device, include: the drilling machine comprises a movable bottom plate, a drilling mechanism and a cooling mechanism. Spring grooves are symmetrically arranged on the inner wall of a frame of the device, damping springs are arranged in the spring grooves, and a damping rod which is in vertical sliding press connection with the top ends of the damping springs is arranged on the side wall of the adaptive cylinder. The cooling mechanism is a cooling pipe which is arranged on the inner wall of the sampling hole along the circumferential interval and inclines downwards towards the direction of the drill cylinder. The outer wall of the drill cylinder is slidably sleeved with a sampling sliding cylinder, and sampling thimbles which can penetrate into the inner cavity of the drill cylinder are arranged at the bottom of the sliding cylinder along the circumferential interval. This sampling device can realize the shock attenuation effect of certain effect through setting up on shock attenuation pole and damping spring, can reduce the high temperature that bores a section of thick bamboo friction and produce through the cooling tube, can make and bore a section of thick bamboo work for a long time. After the sampling is completed, the sampling concrete block is ejected out of the drill cylinder, so that the concrete sampling block is quickly separated from the drill cylinder, the operation is convenient and quick, and the sampling efficiency is improved.
Description
Technical Field
The utility model relates to a concrete sampling technical field especially relates to a concrete mix quality short-term test's sampling device.
Background
The concrete mixture is a plastic mixture prepared by mixing the components of concrete according to a certain proportion, and is called as concrete mixture and also called as fresh concrete. The quality detection of the concrete mixture is an important link for enhancing the quality control of concrete construction, and the problems existing in the mixing process can be found as early as possible through detection so as to take corresponding measures to correct in time.
Present detection mode is including digging through artifical use tools and getting a small amount of concrete and take a sample and detect, and then select mechanical rotation sampler barrel to take a sample usually to the concrete that solidifies to certain intensity, at this mechanical sampling in-process, because the concrete of treating the sample is in the state of solidifying, it is great to lead to its hardness, when the sample of rotating machinery, can produce great mechanical shock and noise, be unfavorable for green construction, simultaneously at the brill in-process of getting, the sampler barrel rubs with the great contact cutting of concrete, can accelerate the quick wearing and tearing of sampler barrel, shorten the life of sampler barrel, and after the sample is accomplished, concrete sample piece fastening embedding is in the sampler barrel, be difficult to quick breaking away from, influence the operating efficiency of continuous sampling.
Disclosure of Invention
To the problem that exists, the utility model aims at providing a concrete mix quality short-term test's sampling device, its vibrations that can effectual reduction machinery sample production in the concrete sample process to carry out cooling to the brill section of thick bamboo simultaneously, avoid its excessive wearing and tearing, and can also be quick break away from the sample piece with the brill section of thick bamboo after the sample is accomplished, improve continuous sampling efficiency.
In order to achieve the above object, the utility model adopts the following technical scheme: concrete mix quality short-term test's sampling device, its characterized in that includes:
the middle part of the movable bottom plate is provided with a sampling hole;
the drilling mechanism comprises a frame arranged on the movable bottom plate, and a drilling cylinder which corresponds to the sampling hole and can rotationally extend into the bottom of the sampling hole is vertically arranged on the frame;
and the cooling mechanism is arranged on the inner wall of the sampling hole and acts on the drill cylinder.
Preferably, the drill cylinder top end horizontally rotates and is provided with an adaptation cylinder, the frame is provided with a driving screw rod in threaded connection with the adaptation cylinder, the driving screw rod is in vertical sliding and horizontal limiting fit with the inner wall of the drill cylinder, and the adaptation cylinder is in vertical sliding connection with the inner wall of the frame.
Preferably, the inner wall of the frame is symmetrically provided with spring grooves, damping springs are arranged in the spring grooves, and the side wall of the adaptive cylinder is provided with a damping rod which is vertically and slidably pressed on the top ends of the damping springs.
Preferably, the cooling mechanism is a cooling pipe which is arranged on the inner wall of the sampling hole at intervals along the circumferential direction and inclines downwards towards the direction of the drill cylinder.
Preferably, the outer wall of the drill cylinder is slidably sleeved with a sampling sliding cylinder, and sampling thimbles which can penetrate into the inner cavity of the drill cylinder are arranged at the bottom of the sliding cylinder at intervals along the circumferential direction.
The beneficial effects of the utility model are that: this sampling device is through setting up on shock attenuation pole and the damping spring, when mechanical rotatory sample, can realize the shock attenuation effect of certain effect, vibrations and the great noise that produces when reducing this sampling device operation.
The cooling pipe is arranged to spray cooling water to the peripheral surface of the drilling barrel, so that the high temperature generated by friction of the drilling barrel is reduced, the strength of the body of the drilling barrel is ensured, the drilling barrel can work for a long time, and a required sample can be smoothly drilled.
Through setting up the sample thimble, accomplish the back at the sample, it is ejecting from boring a section of thick bamboo with the concrete piece that will take a sample, realize concrete sample piece and bore quick breaking away from of a section of thick bamboo, convenient operation is swift, improves sample efficiency.
Drawings
Fig. 1 is the overall structure schematic diagram of the sampling device of the present invention.
Fig. 2 is an enlarged view of the connection structure of the drill cylinder and the adaptive cylinder of the utility model.
Fig. 3 is a structure view of the cooling mechanism of the present invention.
Fig. 4 is a cross-sectional structural view of fig. 2 according to the present invention.
Wherein, 10-universal roller; 11-a rotational bearing; 12-a water pump; 13-a water tank; 14-a drive motor; 301-punching; 81-drive handle.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the technical solution of the present invention with reference to the accompanying drawings and embodiments.
Referring to the accompanying drawings 1-4, the sampling device for rapidly detecting the quality of concrete mixtures comprises:
the bottom of the movable bottom plate 1 is uniformly provided with lockable universal rollers 10, and the middle part of the movable bottom plate is provided with a sampling hole 101. When carrying out sampling operation, remove the thief hole 101 through universal gyro wheel 10 to with the vertical correspondence of sampling point to carry out the locking through universal gyro wheel 10 to thief hole 101.
The drilling mechanism comprises a frame 2 (specifically a square frame structure) arranged on a movable bottom plate 1, wherein a drill cylinder 3 which corresponds to the sampling hole 101 and can rotatably extend into the bottom of the sampling hole 101 is vertically arranged on the frame, and the drill cylinder is driven to rotate by the drill cylinder 3 in a state that the sampling hole 101 corresponds to the sampling hole and is locked, and performs drilling operation after moving downwards and contacting with a sampling surface.
The cooling mechanism is arranged on the inner wall of the sampling hole 101 and acts on the drilling barrel 3, and effectively cools the drilling barrel 3 in the continuous drilling process of the drilling barrel 3, so that the high temperature generated by friction of the drilling barrel 3 can be effectively reduced, the strength of the body of the drilling barrel is ensured, the drilling barrel 3 can work for a long time, and a required sample can be smoothly drilled.
Specifically, as shown in fig. 1 and 4, the top end of the drill cylinder 3 is horizontally and rotatably provided with an adaptation cylinder 4, the adaptation cylinder 4 and the adaptation cylinder are of an integrated structure, the frame 2 is provided with a driving screw 5 in threaded connection with the adaptation cylinder 4, the driving screw 5 is in vertical sliding and horizontal limiting fit with the inner wall of the drill cylinder 3, and the adaptation cylinder 4 is in vertical sliding connection with the inner wall of the frame 2. The top surface of the frame 2 is provided with a driving motor connected with the driving screw 5, the driving screw 5 is driven to rotate, and the adapter cylinder 4 vertically moves relative to the driving screw 5 through different rotation modes (the adapter cylinder 4 is vertically and slidably connected with the inner wall of the frame 2). The rotary bearing 11 is preferably arranged between the drill barrel 3 and the inner wall of the bottom side of the adapter barrel 4, and the bottom of the drive screw 5 and the inner wall of the drill barrel 3 are preferably in a vertically sliding key matching structure (shown in figure 4). Under the rotation action of the driving screw rod 5, the adaptation cylinder 4 vertically moves, the drill cylinder 3 synchronously rotates through the key matching with the driving screw rod 5, and in the process of the vertical movement of the adaptation cylinder 4, the drill cylinder 3 is driven to move downwards, so that the rotary sampling operation is realized.
In order to reduce the damage to the drill cylinder 3 caused by the vibration during drilling, a damping mechanism connected with the adaptive cylinder 4 is arranged on the inner wall of the frame 2.
Specifically, as shown in fig. 1, the damping mechanism includes spring grooves 21 symmetrically disposed on the inner wall of the frame 2, a damping spring 6 disposed therein, and a damping rod 41 vertically slidably pressed on the top end of the damping spring 6 disposed on the side wall of the adapter cylinder 4. In the downward moving drilling operation process, the drilling vibration of the drilling cylinder 3 contacting with the concrete ground is transmitted to the adaptive cylinder 4 and then transmitted to the damping spring 6 through the damping rod 41, so that a certain effect of damping effect can be realized, and the vibration and the generated loud noise during the operation of the sampling device are reduced.
Specifically, as shown in fig. 1 and 3, the cooling mechanism is four cooling pipes 7, preferably four cooling pipes 7, which are arranged on the inner wall of the sampling hole 101 at intervals in the circumferential direction and are inclined downwards towards the direction of the drilling cylinder 3, the cooling pipes are connected to a main pipe 70, the main pipe 70 is connected to a water pump 12 and a water tank 13, and in the drilling process, the cooling pipes 7 spray cooling water to the outer peripheral surface of the drilling cylinder 3, so that the high temperature generated by friction of the drilling cylinder 3 is reduced, the strength of the body of the drilling cylinder is ensured, and the drilling cylinder 3 can work for a long time, so that a required sample can be drilled smoothly.
In order to facilitate the rapid separation of the sampling block from the drill cylinder 3 after sampling, as shown in fig. 1-2 and 4, a sampling sliding cylinder 8 is slidably sleeved on the outer wall of the drill cylinder 3, and sampling thimbles 9 capable of penetrating into the inner cavity of the drill cylinder 3 are arranged at the bottom of the sampling sliding cylinder along the circumferential direction at intervals. Specifically, the drill cylinder 3 has a step structure, and a through hole 301 for penetrating the sampling thimble 9 is formed on a step surface thereof. After sampling is finished, the sampling concrete block is tightly attached to the inner wall of the drill cylinder 3 and is taken out, in this state, the driving handle 81 drives the sampling sliding cylinder 8 to move downwards, so that the sampling thimble 9 penetrates into the inner cavity of the drill cylinder 3 from the through hole, the sampling concrete block is ejected out of the drill cylinder 3 through the sampling thimble 9, and the concrete sampling block is quickly separated from the drill cylinder 3.
The principle of the utility model is that: when carrying out sampling operation, remove the thief hole 101 through universal gyro wheel 10 to with the vertical correspondence of sampling point to carry out the locking through universal gyro wheel 10 to thief hole 101. Then, the driving screw 5 is driven to rotate through the driving motor 14, the adaptation cylinder 4 moves vertically, the drill cylinder 3 rotates synchronously through the key matching with the driving screw 5, and in the process of vertical movement of the adaptation cylinder 4, the drill cylinder 3 is driven to move downwards to perform rotary sampling operation.
In the process of rotary sampling, the vibration is transmitted to the damping spring 6 through the damping rod 41, so that a certain damping effect can be realized, and the vibration and the generated loud noise during the operation of the sampling device are reduced. Simultaneously, the cooling water is sprayed on the peripheral surface of the drilling barrel 3 through the cooling pipe 7, so that the high temperature generated by friction of the drilling barrel 3 is reduced, the strength of the body is ensured, the drilling barrel 3 can work for a long time, and a required sample can be smoothly drilled.
After sampling is finished, the sampling thimble 9 penetrates into the inner cavity of the drill cylinder 3 from the through hole by moving the sampling sliding cylinder 8 downwards, and the sampling concrete block is ejected out of the drill cylinder 3 through the sampling thimble 9, so that the concrete sampling block is quickly separated from the drill cylinder 3.
The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that various changes and modifications may be made without departing from the scope of the present invention as claimed.
Claims (5)
1. Concrete mix quality short-term test's sampling device, its characterized in that includes:
the mobile bottom plate (1) is provided with a sampling hole (101) in the middle;
the drilling mechanism comprises a frame (2) arranged on a movable bottom plate (1), and a drilling barrel (3) which corresponds to the sampling hole (101) and can rotatably extend into the bottom of the sampling hole (101) is vertically arranged on the frame;
and the cooling mechanism is arranged on the inner wall of the sampling hole (101) and acts on the drilling barrel (3).
2. The sampling device for rapidly detecting the quality of the concrete mixture according to claim 1, characterized in that: bore a section of thick bamboo (3) top level and rotate and be provided with an adaptation section of thick bamboo (4) be provided with on frame (2) with a driving screw (5) of an adaptation section of thick bamboo (4) threaded connection, driving screw (5) with bore vertical slip of a section of thick bamboo (3) inner wall and horizontal spacing cooperation, a vertical sliding connection of an adaptation section of thick bamboo (4) and frame (2) inner wall.
3. The sampling device for rapidly detecting the quality of the concrete mixture according to claim 2, characterized in that: spring grooves (21) are symmetrically arranged on the inner wall of the frame (2), a damping spring (6) is arranged in the spring grooves, and a damping rod (41) which is in vertical sliding press connection with the top end of the damping spring (6) is arranged on the side wall of the adaptation cylinder (4).
4. The sampling device for rapidly detecting the quality of the concrete mixture according to claim 3, characterized in that: the cooling mechanism is arranged on the inner wall of the sampling hole (101) along the circumferential interval and faces to the cooling pipe (7) which is arranged in a downward inclined mode in the direction of the drill cylinder (3).
5. The sampling device for rapidly detecting the quality of the concrete mixture according to claim 4, characterized in that: the outer wall of the drill cylinder (3) is slidably sleeved with a sampling sliding cylinder (8), and sampling thimbles (9) which can penetrate through the inner cavity of the drill cylinder (3) are arranged at the bottom of the sliding cylinder along the circumferential interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222708485.2U CN218444562U (en) | 2022-10-14 | 2022-10-14 | Sampling device for rapidly detecting quality of concrete mixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222708485.2U CN218444562U (en) | 2022-10-14 | 2022-10-14 | Sampling device for rapidly detecting quality of concrete mixture |
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| CN218444562U true CN218444562U (en) | 2023-02-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117606850A (en) * | 2024-01-23 | 2024-02-27 | 河北仁安工程管理有限公司 | Sampling device for ground construction quality detection |
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2022
- 2022-10-14 CN CN202222708485.2U patent/CN218444562U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117606850A (en) * | 2024-01-23 | 2024-02-27 | 河北仁安工程管理有限公司 | Sampling device for ground construction quality detection |
| CN117606850B (en) * | 2024-01-23 | 2024-04-19 | 河北仁安工程管理有限公司 | Sampling device for ground construction quality detection |
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