Drilling device for foundation detection

Abstract

The utility model belongs to the field of drilling devices, and particularly relates to a drilling device for foundation detection, which comprises a base, and the top of the base is fixedly connected with a top plate; a hydraulic cylinder is fixedly connected to the top of the top plate; the output end of the hydraulic cylinder is rotationally connected with a sleeve; a guide plate is fixedly connected to the bottom of the top plate; the guide plate is of a spiral structure; a plurality of rotating wheels are mounted in the middle of the sleeve; a sliding groove used for limiting the rotating wheel is formed in the inner wall of the guide plate. The inner wall of the sleeve is in threaded connection with a sampling barrel; the bottom of the sampling barrel is of a conical structure; the hydraulic cylinder is started to enable the sleeve to drive the sampling barrel to rotate and move downwards so as to drill and sample the soil layer, so that equipment required by the device during working is reduced, the device is more convenient to carry and use, and meanwhile, the stability of the device during working is also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drilling device field, concretely is a drilling device for foundation detection. BACKGROUND

[0002] Foundation detection is a crucial link in building engineering, which ensures the stability of foundation and base and provides strong guarantee for the safety of superstructure. Foundation detection mainly includes two parts of foundation detection and base detection. Foundation detection mainly focuses on the physical and mechanical properties and stability of foundation soil, while base detection mainly focuses on the construction quality, integrity and bearing capacity of foundation.

[0003] In foundation detection, drilling is a commonly used technical means, mainly used for obtaining underground soil samples, in-situ testing or installing monitoring equipment. Underground soil samples are obtained through drilling for laboratory analysis to understand the physical and mechanical properties and chemical composition of foundation soil.

[0004] In the existing foundation detection, the vertical movement of the drill rod is driven by the air cylinder during drilling, and the motor is responsible for the rotation of the drill rod to break the soil. In use and observation, it is found that this drilling method involves more equipment, making the device structure more complex and the overall system stability lower.

[0005] Therefore, a drilling device for foundation detection is proposed to solve the above problems. UTILITY MODEL CONTENT

[0006] In order to make up for the deficiencies of the prior art and solve at least one technical problem in the background art.

[0007] The utility model solves the technical problems by adopting the following technical scheme: the utility model discloses a drilling device for foundation detection, which comprises a base, a top plate is fixedly connected to the top of the base, a hydraulic cylinder is fixedly connected to the top of the top plate, a sleeve is rotatably connected to the output end of the hydraulic cylinder, a guide plate is fixedly connected to the bottom of the top plate, the guide plate is of a spiral structure, a plurality of rotating wheels are installed in the middle of the sleeve, a sliding groove for limiting the rotating wheels is formed in the inner wall of the guide plate, a sampling cylinder is threadedly connected to the inner wall of the sleeve, the bottom of the sampling cylinder is of a conical structure, and the sleeve can rotate downward with the sampling cylinder to drill and sample the soil layer by starting the hydraulic cylinder, thereby reducing the equipment required during device operation, making the device more portable and convenient to use, and improving the stability of the device during operation.

[0008] Preferably, the inner wall of the sampling cylinder is fixedly connected with a valve seat; the inner wall of the valve seat is fixedly connected with a spring; the end of the spring is fixedly connected with a valve core; the valve core and the valve seat are in sliding connection; a pair of connecting rods are fixedly connected to the middle part of the valve core; the connecting rods are in penetrating and sliding connection with the sampling cylinder; a connecting plate is fixedly connected to the end of the connecting rods; through the cooperation of the spring and the valve core, the soil in the sampling cylinder is difficult to flow out from the inside of the sampling cylinder under the limiting action of the valve core, thereby improving the collection capacity of the sampling cylinder for soil; meanwhile, through the arrangement of the connecting plate, the device is convenient to pull out the valve core to take out the sample, thereby improving the convenience of the device during sampling.

[0009] Preferably, the middle part of the valve core is fixedly connected with an elastic cloth; the elastic cloth and the outer wall of the valve seat are in fixed connection; through the arrangement of the elastic cloth, the gap between the valve core and the elastic cloth is sealed and protected when the valve core is closed or opened, thereby reducing the pollution of the spring caused by the soil in the sampling cylinder entering the inside of the elastic cloth, and prolonging the service life of the spring.

[0010] Preferably, a plurality of rolling balls are rotatably connected to the middle part of the rotating wheel; the rolling balls are arranged in a circumferential array; through the arrangement of the rolling balls, when the rotating wheel rotates along the sliding groove in the guide plate, the rolling balls further reduce the friction between the guide plate and the rotating wheel, thereby prolonging the service life of the rotating wheel.

[0011] Preferably, a bubble level is fixedly connected to the top of the top plate; a vertical rod is fixedly connected to the bottom of the base in a symmetrical manner; through the cooperation of the bubble level and the vertical rod, when the device is installed, the device can be anchored into the stratum through the vertical rod, so that the device can be additionally supported, and the horizontal state of the device can be judged by observing the bubbles on the bubble level, thereby improving the accuracy of the device during drilling.

[0012] Preferably, a plurality of friction grooves are formed in the surface of the base; the friction grooves are symmetrically arranged; through the arrangement of the friction grooves, the worker can step on the friction grooves on the base to provide additional support when the device is working; the friction grooves can increase the friction applied by the worker to the base, thereby improving the stability of the device during working.

[0013] The drilling device for foundation detection has the advantages that:

[0014] 1. The drilling device for foundation detection can rotate the sleeve with the sampling cylinder downward to drill and sample the soil layer by starting the hydraulic cylinder, thereby reducing the equipment required during working of the device, making the device more convenient to carry and use, and improving the stability of the device during working.

[0015] 2.The drilling device for foundation detection, through the cooperation of the spring and the valve core, the soil in the sampling cylinder is difficult to flow out from the sampling cylinder under the limiting action of the valve core, the collection capacity of the sampling cylinder for the soil is improved, and the device is convenient for pulling out the valve core to take out the sample, and the convenience of the device during sampling is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained on the basis of these drawings without creative labor.

[0017] Figure 1 It is a schematic view of the main body of the present application;

[0018] Figure 2 It is a schematic view of the structure of the guide plate in the present application;

[0019] Figure 3 It is a schematic view of the structure of the sampling cylinder in the present application;

[0020] Figure 4 It is a schematic view of the structure of the connecting plate in the present application;

[0021] Figure 5 It is a schematic view of the structure of the valve seat in the present application.

[0022] In the figure: 1, base; 12, top plate; 13, hydraulic cylinder; 14, sleeve; 15, guide plate; 16, runner; 17, sampling cylinder; 2, valve seat; 22, spring; 23, valve core; 24, connecting rod; 25, connecting plate; 3, elastic cloth; 4, ball; 5, bubble; 52, vertical rod; 6, friction groove. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application, and obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0024] Specific embodiments will be given below.

[0025] Please refer to Figures 1 to 5The utility model discloses a drilling device for foundation detection, including base 1, the top of base 1 is fixedly connected with the top plate 12, the top of top plate 12 is fixedly connected with the hydraulic cylinder 13, the output of hydraulic cylinder 13 is rotatably connected with the sleeve 14, the bottom of top plate 12 is fixedly connected with the guide plate 15, the guide plate 15 is spiral structure, a plurality of rotating wheels 16 are installed in the middle part of sleeve 14, the inner wall of guide plate 15 is equipped with the sliding slot for the limiting of rotating wheel 16, the inner wall of sleeve 14 is threadedly connected with sampling cylinder 17, the bottom of sampling cylinder 17 is conical structure, when needing to drill, can move to the target place with the device, after fixing the device through treading base 1 or other mode, can rotate sampling cylinder 17 into the inside of rotating wheel 16, then can start hydraulic cylinder 13 to make hydraulic cylinder 13 drive sleeve 14 to move vertically, sleeve 14 will move down together with rotating wheel 16, and rotating wheel 16 will slide along the sliding slot of the inner wall of guide plate 15, make sleeve 14 receive the guiding effect of guide plate 15 to rotating wheel 16 and rotate in the process of moving down, and sampling cylinder 17 will rotate together with sleeve 14, and because the bottom of sampling cylinder 17 is conical structure, make sampling cylinder 17 can easily break the soil to the soil, in the process of breaking the soil of sampling cylinder 17, the soil will enter the inside of sampling cylinder 17 and be collected by sampling cylinder 17, finally can through hydraulic cylinder 13 with sleeve 14 together with sampling cylinder 17 reset, to take out the sample in the inside of sampling cylinder 17, start hydraulic cylinder 13 to make sleeve 14 with sampling cylinder 17 rotate and move down to drill and sample the soil layer, reduce the equipment needed when the device works, make the device more convenient to carry and use, also improve the stability when the device works.

[0026] Please refer to Figure 5As shown, the inner wall of the sampling cylinder 17 is fixedly connected with a valve seat 2; the inner wall of the valve seat 2 is fixedly connected with a spring 22; the end of the spring 22 is fixedly connected with a valve core 23; the valve core 23 and the valve seat 2 are in sliding connection; a pair of connecting rods 24 are fixedly connected to the middle part of the valve core 23; the connecting rods 24 are in through and sliding connection with the sampling cylinder 17; a connecting plate 25 is fixedly connected to the end of the connecting rods 24; before breaking the soil, the valve core 23 will block the feeding port of the sampling cylinder 17 under the elastic force of the spring 22; after the sampling cylinder 17 enters the soil, the valve core 23 will slide along the valve seat 2 under the extrusion of the soil layer and make the spring 22 in a compressed state, so that the soil can enter the sampling cylinder 17 through the cavity between the sampling cylinder 17 and the valve core 23, realizing the collection of the soil by the sampling cylinder 17; when the sampling cylinder 17 is reset by the hydraulic cylinder 13, the valve core 23 can be reset under the elastic force of the spring 22 and closed to the sampling cylinder 17, so that the soil in the sampling cylinder 17 will not flow out; after the sampling cylinder 17 is rotated out of the sleeve 14, the valve core 23 can be removed from the sampling cylinder 17 by pulling the connecting plate 25, so as to take out the soil sample in the sampling cylinder 17; it is worth mentioning that when the sampling cylinder 17 is installed into the sleeve 14, a space should be reserved for the movement of the valve core 23 and the connecting plate 25; through the cooperation of the spring 22 and the valve core 23, the soil in the sampling cylinder 17 is difficult to flow out of the sampling cylinder 17 under the limiting action of the valve core 23, improving the collection capacity of the sampling cylinder 17 for soil; at the same time, by arranging the connecting plate 25, the device is convenient for pulling out the valve core 23 to take out the sample, improving the convenience of the device during sampling

[0027] Please refer to Figure 5 As shown, the middle part of the valve core 23 is fixedly connected with an elastic cloth 3; the outer wall of the elastic cloth 3 and the valve seat 2 are in fixed connection; by arranging the elastic cloth 3, the gap between the valve core 23 and the elastic cloth 3 is sealed and protected when the valve core 23 is closed or removed, reducing the entry of the soil in the sampling cylinder 17 into the elastic cloth 3, thereby reducing the pollution of the spring 22 and prolonging the service life of the spring 22.

[0028] Please refer to Figure 4 As shown, a plurality of rolling balls 4 are rotatably connected to the middle part of the rotating wheel 16; the rolling balls 4 are arranged in a circumferential array; by arranging the rolling balls 4, when the rotating wheel 16 rotates along the sliding groove in the guide plate 15, the rolling balls 4 further reduce the friction between the guide plate 15 and the rotating wheel 16, prolonging the service life of the rotating wheel 16.

[0029] Please refer to Figure 1 and Figure 2As shown in the drawings, the top of the top plate 12 is fixed with a level bubble 5; the bottom of the base 1 is symmetrically fixed with a vertical rod 52; through the cooperation of the level bubble 5 and the vertical rod 52, the device can be anchored into the stratum through the vertical rod 52 when installed, so that the device can be additionally supported, and at the same time, the horizontal state of the device can be judged by observing the bubbles on the level bubble 5, thereby improving the accuracy of the device when drilling.

[0030] Please refer to Figure 1 As shown in the drawings, the surface of the base 1 is provided with a plurality of friction grooves 6; the friction grooves 6 are symmetrically arranged; through the arrangement of the friction grooves 6, the workers can step on the friction grooves 6 on the base 1 to provide additional support when the device is working, and the friction grooves 6 can increase the friction applied by the workers to the base 1, thereby improving the stability of the device when working.

[0031] Working principle: when drilling is needed, the device can be moved to the target location, and after the device is fixed by stepping on the base 1 or other means, the sampling cylinder 17 can be screwed into the inside of the rotating wheel 16, then the hydraulic cylinder 13 can be started to make the hydraulic cylinder 13 drive the sleeve 14 to move vertically, the sleeve 14 will move downward together with the rotating wheel 16, the rotating wheel 16 will slide along the sliding groove in the inner wall of the guide plate 15, so that the sleeve 14 is guided by the guide plate 15 to rotate during the downward movement, and the sampling cylinder 17 will rotate together with the sleeve 14, and because the bottom of the sampling cylinder 17 is a conical structure, the sampling cylinder 17 can easily break the soil, during the breaking of the sampling cylinder 17, the soil will enter the inside of the sampling cylinder 17 and be collected by the sampling cylinder 17, finally the sleeve 14 together with the sampling cylinder 17 can be reset by the hydraulic cylinder 13 to take out the sample in the sampling cylinder 17; before breaking the soil, the valve core 23 will be blocked to the inlet of the sampling cylinder 17 under the elastic force of the spring 22, after the sampling cylinder 17 enters the soil, the valve core 23 will slide along the valve seat 2 under the extrusion of the soil layer and make the spring 22 in compression, so that the soil can enter the sampling cylinder 17 through the cavity between the sampling cylinder 17 and the valve core 23 to realize the collection of the soil by the sampling cylinder 17, when the sampling cylinder 17 is reset by the hydraulic cylinder 13, the valve core 23 can be reset under the elastic force of the spring 22 and closed to the sampling cylinder 17, so that the soil in the sampling cylinder 17 will not flow out, after the sampling cylinder 17 is unscrewed from the inside of the sleeve 14, the valve core 23 can be pulled to unblock the sampling cylinder 17 to take out the soil sample in the sampling cylinder 17, it is worth mentioning that when the sampling cylinder 17 is installed in the sleeve 14, a space should be reserved for the movement of the valve core 23 and the connecting plate 25; by setting the elastic cloth 3, the gap between the valve core 23 and the elastic cloth 3 will be sealed and protected when the valve core 23 is closed or opened, reducing the pollution of the spring 22 caused by the soil in the sampling cylinder 17, prolonging the service life of the spring 22; by setting the ball 4, the ball 4 further reduces the friction between the guide plate 15 and the rotating wheel 16 when the rotating wheel 16 rotates along the sliding groove in the guide plate 15, prolonging the service life of the rotating wheel 16; by the cooperation of the bubble 5 and the stand 52, the device can be anchored into the stratum by the stand 52 during installation, so that the device can be supported additionally, and the level of the device can be observed by observing the bubbles on the bubble 5, improving the accuracy of the device during drilling; by setting the friction groove 6, the worker can step on the friction groove 6 on the base 1 to provide additional support during the work of the device, the friction groove 6 will increase the friction applied by the worker to the base 1, thereby improving the stability of the device during work.

[0032] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A drilling device for ground foundation detection, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected with a top plate (12); the top of the top plate (12) is fixedly connected with a hydraulic cylinder (13); the output end of the hydraulic cylinder (13) is rotatably connected with a sleeve (14); the bottom of the top plate (12) is fixedly connected with a guide plate (15); the guide plate (15) is a spiral structure; a plurality of rotating wheels (16) are installed in the middle of the sleeve (14); a sliding groove for limiting the rotating wheel (16) is formed in the inner wall of the guide plate (15); a sampling cylinder (17) is threadedly connected with the inner wall of the sleeve (14); the bottom of the sampling cylinder (17) is a conical structure.

2. The borehole apparatus for detecting a foundation according to claim 1, wherein: The inner wall of the sampling cylinder (17) is fixedly connected with a valve seat (2); the inner wall of the valve seat (2) is fixedly connected with a spring (22); the end of the spring (22) is fixedly connected with a valve core (23); the valve core (23) and the valve seat (2) are in sliding connection; a pair of connecting rods (24) are fixedly connected with the middle of the valve core (23); the connecting rods (24) are in penetrating and sliding connection with the sampling cylinder (17); a pair of connecting rods (24) are fixedly connected with a connecting plate (25).

3. The borehole apparatus for detecting a foundation according to claim 2, wherein: The middle of the valve core (23) is fixedly connected with an elastic cloth (3); the elastic cloth (3) and the outer wall of the valve seat (2) are in fixed connection.

4. The borehole apparatus for detecting a foundation according to claim 3, wherein: A plurality of rolling balls (4) are rotatably connected with the middle of the rotating wheel (16); the rolling balls (4) are arranged in a circumferential array.

5. The borehole apparatus for detecting a foundation according to claim 4, wherein: The top of the top plate (12) is fixedly connected with a bubble level (5); the bottom of the base (1) is fixedly connected with a vertical rod (52) in a symmetrical manner.

6. The borehole apparatus for detecting a foundation according to claim 5, wherein: A plurality of friction grooves (6) are formed in the surface of the base (1); the friction grooves (6) are symmetrically arranged.

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