Sampling device suitable for constructional engineering quality detection

Abstract

The invention discloses a sampling device suitable for constructional engineering quality detection, the sampling device comprises a support, an adjusting assembly, a sampling assembly and a dust cover, the support is an L-shaped frame body and can be in a horizontal or vertical form, and the upper end and the lower end of one side of the support are both provided with side insertion buckles; the adjusting assembly is installed on the support through a supporting plate and comprises fixed plates, a movable plate, a screw rod, a hand wheel and two guide rods, the fixed plates are fixed to the rear side of the support and the supporting plate, and the screw rod and the two guide rods are connected between the two fixed plates; the sampling assembly comprises an electric hand drill, a sampling drill barrel, a spiral sampling drill bit and a mounting rack, the mounting rack can be mounted at the upper end of the movable plate, the electric hand drill is mounted on the inner side of the mounting rack, and the end of the electric hand drill is connected with the sampling drill barrel and the spiral sampling drill bit; the dustproof cover comprises a cover plate and an inserting piece connected to the bottom side of the cover plate. The sampling device can be used for sampling projects such as vertical surfaces such as walls, concrete pavements, grounds and foundation pit mud surfaces, and the use requirements of various projects can be met only by one tool.

Description

Technical Field

[0001] The invention relates to the field of multi-purpose quality inspection tools for construction projects, in particular to a sampling device suitable for quality inspection of construction projects. Background Art

[0002] Construction projects refer to the engineering entities formed by the construction of various types of buildings and their ancillary facilities and the installation of supporting lines, pipelines, and equipment. "Buildings" refer to projects with roofs, beams, columns, walls, foundations, and internal spaces that can meet people's needs for production, residence, study, and public activities.

[0003] At present, in the process of house construction, inspection personnel are usually required to sample and inspect the foundation pit mud, construction site ground, concrete and house walls. The sampling of foundation pit mud, construction site ground and concrete is as follows:

[0004] 1) A construction engineering sampling device disclosed in publication number CN116907905A, in which the device includes wheels, a mounting body, a first rodless cylinder, a moving part, a first motor, etc. The left and right sides of the lower part of the mounting body are both symmetrically connected to wheels in a front-to-back rotational manner, the middle of the right part of the mounting body is connected to the first rodless cylinder by screws, the right part of the first rodless cylinder is slidably connected to the moving part, the moving part and the mounting body are slidably connected, and the upper right part of the moving part is connected to the first motor by screws. After the first screw rod drills downward into the soil, the second rodless cylinder drives the second screw rod to move to the left and drill into the soil, and the second motor drives the second screw rod to transfer the soil to the right to the sliding frame for sampling, so that sampling is convenient.

[0005] 2) A sampling device for construction engineering inspection disclosed in publication number CN118776958A, in which the device includes a base, a bracket is fixedly arranged on the base, two fixing parts are arranged at both ends of the base, and the two fixing parts are detachably provided with a drilling part and a sampling part respectively; a moving part 1 and a moving part 2 are respectively arranged on both sides of the bracket, which are used to position and fix the drilling part and the sampling part, and to transfer the drilling part and the sampling part; the drilling part includes a mounting seat, a drilling shaft is rotatably mounted on the mounting seat, and the sampling part includes a sampling cylinder, and sampling holes are arranged in a linear array on the circumference of the sampling cylinder. The present invention can further increase the sampling depth without increasing the volume of the equipment, and can also perform sampling operations of different depths as needed, thereby improving the convenience of sampling.

[0006] The sampling test for the wall is as follows:

[0007] 3) A construction engineering cement wall core sampling device and a sampling method thereof are disclosed in publication number CN117538089A. In this application, the device includes a positioning mechanism, a sampling mechanism and a negative pressure dust suction mechanism. The present invention optimizes the design, and the sealing cover and the negative pressure dust suction mechanism cooperate to effectively collect dust particles generated on site, that is, the sealing cover is arranged on the construction work surface, and the negative pressure fan extracts the dust in the material receiving bin and the sealing cover, thereby greatly protecting the health of the workers; the present invention drives the drilling machine and the sampling barrel to slide back and forth through the impact component, that is, the motor drives the first gear to drive the gear to rotate back and forth, and the drilling machine reciprocates to drive the sampling barrel to impact and drill, thereby effectively replacing the manual pressing of the drilling machine, greatly reducing the labor intensity of the workers, and the operation is simple and convenient.

[0008] 4) A wall sampling device for construction project quality inspection disclosed in publication number CN116399639A, in which the device includes a drill barrel, one end of which is provided with a driving member for providing power for its rotation, the driving member including a motor and a control member, one side of the drill barrel is provided with an alignment member for calibrating the rotation direction of the drill barrel, the interior of the drill barrel is provided with an impact assembly for pushing the sampled wall inside to the outside, in this wall sampling device for construction project quality inspection, by providing a driving assembly and an impact assembly, an impact hammer located in the drill barrel is implemented to continuously reciprocate and hammer the blockage, thereby further increasing the efficiency of clearing the blockage, making it more convenient to remove the sampled wall, and ensuring that the inspection period meets the standard.

[0009] Based on the above-mentioned public documents, it can be known that there are two main types of sampling devices used in the prior art for foundation pit mud samples, construction site floors, concrete and house walls, namely, drill barrel sampling and spiral sampling. As a result, when conducting corresponding project inspections, corresponding sampling devices need to be configured, resulting in the sampling devices being non-universal and occupying a large space (especially referring to Documents 1 and 2 here). In addition, although Documents 3 and 4 use a portable hand-held electric drill structure, Documents 3 and 4 still require manual hand-held drilling rigs, which poses certain risks.

[0010] Therefore, the applicant has developed a sampling device suitable for quality inspection of construction projects based on the defects of the above technical solutions. This sampling device can be used for sampling projects such as foundation pit mud samples, construction site floors, concrete and house walls in construction projects. It has two usage modes, namely horizontal and vertical. In the horizontal state, it can be used for drilling and core sampling of vertical surfaces such as walls. In the vertical state, it can be used for sampling projects such as concrete pavements, floors, foundation pit mud surfaces, etc. Only one tool is needed to meet the usage needs of multiple projects. Summary of the invention

[0011] The purpose of the present invention is to provide a sampling device suitable for construction project quality inspection, which can be used for sampling projects such as foundation pit mud samples, construction site floors, concrete and house walls in construction projects. Only one tool is needed to meet the use requirements of multiple projects.

[0012] To achieve the above object, the present invention provides the following technical solution: a sampling device suitable for construction engineering quality inspection, comprising:

[0013] A bracket is an L-shaped frame body and can be in a horizontal or vertical form, and side buckles are provided at the upper end and the lower end of one side of the bracket;

[0014] An adjustment assembly is mounted on the bracket through a support plate, and the adjustment assembly includes a fixed plate, a movable plate, a screw, a hand wheel and a guide rod, wherein the fixed plate is fixed to the rear side of the bracket and the support plate, and a screw and two guide rods are connected between the two fixed plates;

[0015] A sampling assembly, comprising a hand drill, a sampling drill barrel, a spiral sampling drill bit and a mounting frame, wherein the mounting frame can be mounted on the upper end of the movable plate, a hand drill is mounted on the inner side of the mounting frame, and the end of the hand drill is connected to the sampling drill barrel and the spiral sampling drill bit;

[0016] A dust cover comprises a cover plate and a plug-in connected to the bottom side of the cover plate, wherein the plug-in can cooperate with the side buckle on one side of the bracket, the cover plate is a retractable structure, and a round hole facing the sampling drill tube or spiral sampling drill bit is arranged in the middle of the cover plate.

[0017] Preferably, the horizontal form of the bracket is used for sampling the walls of the construction site. In the horizontal form, the end of the hand drill included in the sampling component is connected to the drill barrel, and the front end of the drill barrel is provided with grinding teeth. In the horizontal form, a retractable cover plate can be used to hold the wall. The cover plate prevents dust from overflowing during drilling and sampling. The cover plate adopts a detachable structure, which can be conveniently disassembled and assembled when the bracket is changed. The vertical form of the bracket is used for sampling such as concrete pavement, foundation pit mud surface, soil, etc. on the construction site. In the vertical form, the end of the hand drill included in the sampling component is connected to a spiral sampling drill bit. In the vertical form, the cover plate can be installed on the upper end of one side of the bracket, and the cover plate is used to collect concrete materials, mud surfaces, and soil. At the same time, the cover plate can also prevent dust from overflowing.

[0018] Preferably, the screw is parallelly located between the two guide rods, and the front and rear ends of the screw are respectively rotatably connected to the two fixed frames, and a handwheel is provided on one side of the screw to drive the screw to rotate; the movable plate is sleeved on the screw and the guide rod, and the movable plate is T-shaped and a support is provided on its upper end. The movable plate and the support are connected by bolts, and the ends of the movable plate and the support are provided with matching semicircular grooves. The drill clamp of the hand drill can pass through the semicircular grooves on the movable plate and the support and is connected to a main shaft, and the end of the main shaft is connected to a sampling drill barrel or a spiral sampling drill bit. The handwheel can drive the screw to rotate, so that the movable plate sleeved on the screw moves along the screw and the guide rod. The movable plate can cooperate with the support on it to play the role of a drill clamp for fixing the hand drill, and can cooperate with the mounting frame to facilitate the disassembly and assembly of the hand drill.

[0019] Preferably, the mounting frame includes a main bracket, a movable bracket and a supporting frame, wherein the main bracket is a cylindrical bracket with an open front end, the upper and lower sides of the main bracket are provided with openings, and the outer side of the main bracket is provided with a plurality of slide grooves.

[0020] Preferably, the movable bracket is an annular bracket whose inner diameter is larger than the outer diameter of the main bracket. The movable bracket can be slidably connected to the sliding groove on the outer side of the main bracket through a self-locking sliding shaft, and a plurality of fasteners are provided on the movable bracket.

[0021] Preferably, the front end of the main bracket is provided with a semicircular opening, and the lower side of the front end of the main bracket is integrally formed with a mounting side plate, which can be bolted to the upper end of the movable plate, and the upper side of the front end of the main bracket is hinged with a semicircular pressing plate, and the pressing plate and the outer side of the front end of the main bracket are provided with a plurality of fasteners, and the multiple fasteners on the movable bracket, the main bracket, and the pressing plate respectively fix the rear end and the front end of the hand drill. The cross section of the support frame is L-shaped, and the support frame includes an integrally formed connecting end and a supporting end, wherein the connecting end can be connected to the upper end of the movable plate by screws, and the supporting end is supported on the lower side of the handle of the hand drill.

[0022] Preferably, the main function of the mounting frame is to install the electric drill on the movable plate so that the movable plate can be driven forward (horizontal form) or downward (vertical form) with the screw. The mounting frame adopts a main bracket, a support frame, and a pressure plate to respectively fix the front end, rear end and lower end of the handle of the electric drill. When in use, there is no need for hand-held operation, and sampling can be carried out by adjusting the hand wheel.

[0023] The specific steps are as follows:

[0024] The installation and use steps in the horizontal form include the following: first, the pressure plate of the mounting frame is rotated to open, the pressure plate is locked with the front end of the main bracket by bolts, then the position of the movable bracket is adjusted to make the movable bracket move backward, and the electric drill is placed in the mounting frame. At this time, the electric drill is not restricted, and then the support frame is installed on the upper end of the movable plate, the support frame can support the handle part of the lower end of the electric drill, and then the pressure plate is rotated, the pressure plate and the main bracket are connected as a whole by bolts, and the movable bracket is adjusted to move forward. When the movable bracket moves to the rear end of the electric drill, the front and rear ends of the electric drill are fixed by the fasteners on the movable bracket, the pressure plate and the main bracket respectively. At this time, the electric drill is in a fixed state, a drill clamp is installed at the front end of the electric drill, and the support is connected to the movable plate, and finally the sampling drill barrel is installed by the drill clamp. When in use, the cover plate is first installed through the plug-in socket, and the bracket is in a horizontal state to press against the wall. At this time, the electric drill is started and the hand wheel is turned to rotate the sampling drill barrel toward the inner side of the wall to complete the drilling sampling of the wall.

[0025] The installation and use steps in the vertical form include the following: first, the pressure plate of the mounting frame is rotated to open, the pressure plate is locked with the front end of the main bracket by bolts, then the position of the movable bracket is adjusted to make the movable bracket move backward, and the electric drill is placed in the mounting frame. At this time, the electric drill is not restricted, and then the support frame is installed on the upper end of the movable plate. The support frame can support the handle part of the lower end of the electric drill, and then the pressure plate is rotated, and the pressure plate and the main bracket are connected as a whole by bolts. The movable bracket is adjusted to move forward. When the movable bracket moves to the rear end of the electric drill, the front and rear ends of the electric drill are fixed by the fasteners on the movable bracket, the pressure plate and the main bracket respectively. At this time, the electric drill is in a fixed state, and a drill clamp is installed at the front end of the electric drill, and the support is connected to the movable plate. Finally, the spiral sampling drill bit can be installed by the drill clamp. When in use, the cover plate is first installed on the upper end of one side of the bracket through the plug-in socket. The bracket is in a vertical state. At this time, the electric drill is started and the hand wheel is turned to make the spiral sampling drill bit drill into the soil or concrete to complete the sampling.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] 1. The sampling device of the present invention can be used for sampling projects such as foundation pit mud samples, construction site floors, concrete and house walls in construction projects. It has two usage modes, namely horizontal and vertical. In the horizontal state, it can be used to drill and take core samples from vertical surfaces such as walls. In the vertical state, it can be used to sample projects such as concrete pavements, floors, foundation pit mud surfaces, etc. Only one tool is needed to meet the usage requirements of multiple projects.

[0028] 2. The sampling device of the present invention is provided with a mounting frame, the main function of which is to install the hand drill on the movable plate, so that the movable plate can be driven forward (horizontal form) or downward (vertical form) with the screw rod. The mounting frame adopts a main bracket, a support frame, and a pressure plate to respectively fix the front end, the rear end and the lower end of the handle of the hand drill. When in use, there is no need for hand-held operation, and sampling can be carried out by adjusting the hand wheel, which is safer and more convenient to use.

[0029] 3. The present invention uses a hand-held electric drill commonly used on construction sites. When in use, it is only necessary to install the sampling components (sampling drill barrel, spiral sampling drill bit) and switch the bracket between vertical and horizontal forms as needed. The manufacturing and use costs of the entire device are relatively low. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the sampling device of the present invention in a horizontal configuration;

[0031] Figure 2 It is a schematic diagram of the sampling device of the present invention in a vertical form;

[0032] Figure 3 It is a schematic diagram of the structure of the mounting frame and the hand drill in the embodiment of the present invention;

[0033] Figure 4 It is a schematic diagram of the installation of the dust cover in a horizontal state in an embodiment of the present invention;

[0034] Figure 5 It is a schematic diagram of the installation of the dust cover in a vertical form in an embodiment of the present invention;

[0035] Figure 6 This is a schematic diagram of the sampling device of the present invention when performing wall sampling.

[0036] In the figure: 1. bracket; 2. fixed plate; 3. movable plate; 4. screw; 5. hand wheel; 6. guide rod; 7. mounting frame; 701. main bracket; 702. movable bracket; 703. support frame; 704. slide groove; 705. fastener; 706. slide shaft; 707. mounting side plate; 708. pressure plate; 8. sampling drill tube; 9. spiral sampling drill bit; 10. hand drill; 11. support; 12. dust cover; 121. cover plate; 122. plug-in; 13. side buckle. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0039] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] The present invention provides a technical solution: a sampling device suitable for construction engineering quality inspection, which can be used for sampling projects such as foundation pit mud samples, construction site floors, concrete and house walls in construction projects. The sampling device has two usage modes, namely horizontal and vertical. In the horizontal state, it can perform core sampling of vertical surfaces such as walls by drilling, and in the vertical state, it can perform sampling of projects such as concrete pavements, floors, foundation pit mud surfaces, etc.

[0041] See also Figure 1 , Figure 2 , Figure 4 , Figure 5 , a sampling device suitable for construction engineering quality inspection, comprising:

[0042] A bracket 1 is an L-shaped frame and can be horizontal or vertical. Side buckles 13 are provided at the upper and lower ends of one side of the bracket 1;

[0043] An adjustment assembly is mounted on the bracket 1 through a support plate, and the adjustment assembly includes a fixed plate 2, a movable plate 3, a screw 4, a hand wheel 5 and a guide rod 6, wherein the fixed plate 2 is fixed to the rear side of the bracket 1 and the support plate, and a screw 4 and two guide rods 6 are connected between the two fixed plates 2;

[0044] A sampling assembly, comprising a hand drill 10, a sampling drill barrel 8, a spiral sampling drill bit 9 and a mounting frame 7, wherein the mounting frame 7 can be mounted on the upper end of the movable plate 3, the hand drill 10 is mounted inside the mounting frame 7, and the end of the hand drill 10 is connected to the sampling drill barrel 8 and the spiral sampling drill bit 9;

[0045] A dust cover 12 includes a cover plate 121 and a plug-in 122 connected to the bottom side of the cover plate 121, wherein the plug-in 122 can cooperate with the side buckle 13 on one side of the bracket 1, and the cover plate 121 is a retractable structure. A circular hole is provided in the middle of the cover plate 121 facing the sampling drill tube 8 or the spiral sampling drill bit 9.

[0046] In this embodiment, the support 1 is in a horizontal configuration (eg Figure 1 As shown in FIG. 1 , the sampling assembly is used to sample the wall of a construction site. In the horizontal state, the end of the hand drill 10 included in the sampling assembly is connected to the sampling drill tube 8, and the front end of the sampling drill tube 8 is provided with grinding teeth. In the horizontal state, a retractable cover plate 121 can be used to press against the wall (such as Figure 4 As shown), the cover plate 121 prevents dust from overflowing during drilling and sampling. The cover plate 121 adopts a detachable structure, which can facilitate the disassembly and assembly when the bracket 1 changes its form; the bracket 1 is in a vertical form (as shown Figure 2 As shown in the figure, it is used to sample concrete pavement, foundation pit mud surface, soil, etc. at construction sites. In the vertical form, the end of the sampling assembly includes a hand drill 10 connected to a spiral sampling drill bit 9. In the vertical form, a cover plate 121 can be installed on the upper end of one side of the bracket 1. The cover plate 121 is used to collect concrete materials, mud surfaces, and soil. At the same time, the cover plate 121 can also prevent dust from overflowing (such as Figure 5 shown).

[0047] See also Figure 1 , Figure 2 , Figure 3 In this embodiment, the screw rod 4 is parallelly located between the two guide rods 6, and the front and rear ends of the screw rod 4 are respectively connected to the two fixed frames by rotation. A hand wheel 5 is provided on one side of the screw rod 4 to drive the screw rod 4 to rotate; the movable plate 3 is sleeved on the screw rod 4 and the guide rod 6, and the movable plate 3 is T-shaped and a support 11 is provided on its upper end. The movable plate 3 and the support 11 are connected by bolts, and the ends of the movable plate 3 and the support 11 are provided with matching semicircular grooves. The drill clamp of the hand drill 10 can pass through the semicircular grooves on the movable plate 3 and the support 11 and is connected with a main shaft, and the end of the main shaft is connected to the sampling drill tube 8 or the spiral sampling drill bit 9. The hand wheel 5 can drive the screw rod 4 to rotate, so that the movable plate 3 sleeved on the screw rod 4 moves along the screw rod 4 and the guide rod 6. The movable plate 3 can cooperate with the support 11 on it to play the role of a drill clamp for fixing the hand drill 10, and can cooperate with the mounting frame 7 to facilitate the disassembly and assembly of the hand drill 10.

[0048] See also Figure 3 In this embodiment, the mounting frame 7 includes a main bracket 701, a movable bracket 702 and a support frame 703, wherein the main bracket 701 is a cylindrical bracket 1 with an open front end, the upper and lower sides of the main bracket 701 are provided with openings, and the outer side of the main bracket 701 is provided with multiple slide grooves 704.

[0049] In this embodiment, the movable bracket 702 is an annular bracket whose inner diameter is larger than the outer diameter of the main bracket 701 . The movable bracket 702 can be slidably connected to the sliding groove 704 on the outer side of the main bracket 701 through a self-locking sliding shaft 706 . A plurality of fasteners 705 are provided on the movable bracket 702 .

[0050] In this embodiment, a semicircular opening is provided at the front end of the main bracket 701, and a mounting side plate 707 is integrally formed on the lower side of the front end of the main bracket 701. The mounting side plate 707 can be fixed to the upper end of the movable plate 3 by bolts. A semicircular pressure plate 708 is hinged on the upper side of the front end of the main bracket 701. A plurality of fasteners 705 are provided on the outer side of the pressure plate 708 and the front end of the main bracket 701. The fastener 705 is a fastening bolt with a pressure head at the front end.

[0051] The movable bracket 702, the main bracket 701 and the plurality of fasteners 705 on the pressing plate 708 respectively fix the rear end and the front end of the hand drill 10. The support frame 703 has an L-shaped cross section, and includes an integrally formed connecting end and a supporting end, wherein the connecting end can be connected to the upper end of the movable plate 3 by screws, and the supporting end is supported on the lower side of the handle of the hand drill 10.

[0052] In this embodiment, the mounting frame 7 is mainly used to install the hand drill 10 on the movable plate 3, so that the movable plate 3 can be driven forward (horizontal form) or downward (vertical form) along with the screw rod 4. The mounting frame 7 adopts the main bracket 701, the support frame 703, and the pressure plate 708 to fix the front end, the rear end and the lower end of the handle of the hand drill 10 respectively. When using it, there is no need to hold it for operation, and sampling can be carried out by adjusting the hand wheel 5.

[0053] See also Figure 1-Figure 6 , the specific steps are as follows:

[0054] The installation and use steps in the horizontal form include the following: first, the pressure plate 708 of the mounting frame 7 is rotated to open, and the pressure plate 708 is locked with the front end of the main bracket 701 by bolts, then the position of the movable bracket 702 is adjusted to make the movable bracket 702 move backward, and the movable bracket 702 is self-locked by the sliding shaft 706, and then the hand drill 10 is placed in the mounting frame 7, and the hand drill 10 is not restricted at this time, and then the support frame 703 is installed on the upper end of the movable plate 3, and the support frame 703 can support the handle part at the lower end of the hand drill 10, and then the pressure plate 708 is rotated, and the pressure plate 708 is connected to the main bracket 701 as a whole by bolts, and the movable bracket 702 is adjusted. 02 moves forward. When the movable bracket 702 moves to the rear end of the hand drill 10, the front and rear ends of the hand drill 10 are fixed by the movable bracket 702, the pressure plate 708 and the fasteners 705 on the main bracket 701. At this time, the hand drill 10 is in a fixed state. A drill clamp is installed at the front end of the hand drill 10, and the support 11 is used to connect it to the movable plate 3. Finally, the sampling drill barrel 8 is installed by the drill clamp. When in use, the cover plate 121 is first installed through the socket of the plug-in 122. The bracket 1 is in a horizontal state and presses against the wall. At this time, start the hand drill 10 and turn the hand wheel 5 to rotate the sampling drill barrel 8 toward the inside of the wall to complete the drilling sampling of the wall.

[0055] The steps of installation and use in the vertical form include the following: first, the pressure plate 708 of the mounting frame 7 is rotated to open, and the pressure plate 708 is locked with the front end of the main bracket 701 by bolts, and then the position of the movable bracket 702 is adjusted to make the movable bracket 702 move backward, and the movable bracket 702 is self-locked by the sliding shaft 706, and then the hand drill 10 is placed in the mounting frame 7, and the hand drill 10 is not restricted at this time, and then the support frame 703 is installed on the upper end of the movable plate 3, and the support frame 703 can support the handle part at the lower end of the hand drill 10, and then the pressure plate 708 is rotated, and the pressure plate 708 is connected to the main bracket 701 as a whole by bolts, and the movable bracket 702 is adjusted to move backward. Move forward, and when the movable bracket 702 moves to the rear end of the hand drill 10, use the movable bracket 702, the pressure plate 708 and the fasteners 705 on the main bracket 701 to fix the front and rear ends of the hand drill 10 respectively. At this time, the hand drill 10 is in a fixed state, and a drill clamp is installed at the front end of the hand drill 10, and the support 11 is used to connect it to the movable plate 3, and finally the spiral sampling drill bit 9 is installed with the drill clamp. When in use, the cover plate 121 is first installed on the upper end of one side of the bracket 1 through the socket of the plug-in 122, and the bracket 1 is in a vertical state. At this time, start the hand drill 10 and turn the hand wheel 5 to make the spiral sampling drill bit 9 drill into the soil or concrete to complete the sampling.

[0056] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sampling device suitable for construction engineering quality inspection, characterized in that: include: A bracket (1) is an L-shaped frame body and can be in a horizontal or vertical configuration. The upper end and the lower end of one side of the bracket (1) are both provided with side buckles (13); An adjustment component is mounted on the bracket (1) through a support plate, and the adjustment component comprises a fixed plate (2), a movable plate (3), a screw rod (4), a hand wheel (5) and a guide rod (6), wherein the fixed plate (2) is fixed on the rear side of the bracket (1) and the support plate, a screw rod (4) and two guide rods (6) are connected between the two fixed plates (2), and the screw rod (4) is located parallel to the two guide rods (6); A sampling assembly comprises a hand-held electric drill (10), a sampling drill tube (8), a spiral sampling drill bit (9) and a mounting frame (7), wherein the mounting frame (7) can be mounted on the upper end of a movable plate (3), the hand-held electric drill (10) is mounted inside the mounting frame (7), and the end of the hand-held electric drill (10) is connected to the sampling drill tube (8) and the spiral sampling drill bit (9); A dust cover (12) comprises a cover plate (121) and an insert (122) connected to the bottom side of the cover plate (121), wherein the insert (122) can be matched with a side buckle (13) on one side of the bracket (1).

2. A sampling device suitable for construction engineering quality inspection according to claim 1, characterized in that: The front and rear ends of the screw rod (4) are rotatably connected to the two fixed frames respectively. A hand wheel (5) for driving the screw rod (4) to rotate is provided on one side of the screw rod (4). The movable plate (3) is mounted on the screw rod (4) and the guide rod (6). The movable plate (3) is T-shaped and a support seat (11) is provided at the upper end thereof.

3. A sampling device suitable for construction engineering quality inspection according to claim 1, characterized in that: The movable plate (3) and the support (11) are connected by bolts. The ends of the movable plate (3) and the support (11) that are close to each other are provided with matching semicircular grooves. The drill clamp of the hand drill (10) can pass through the semicircular grooves on the movable plate (3) and the support (11) and is connected to a main shaft. The end of the main shaft is connected to a sampling drill tube (8) or a spiral sampling drill bit (9).

4. A sampling device suitable for construction engineering quality inspection according to claim 1, characterized in that: The mounting frame (7) comprises a main frame (701), a movable frame (702) and a supporting frame (703), wherein the main frame (701) is a cylindrical frame (1) with an opening at the front end, the upper and lower sides of the main frame (701) are both provided with openings, and the outer side of the main frame (701) is provided with a plurality of sliding grooves (704).

5. A sampling device suitable for construction engineering quality inspection according to claim 4, characterized in that: The movable bracket (702) is an annular bracket whose inner diameter is larger than the outer diameter of the main bracket (701). The movable bracket (702) can be slidably connected to the sliding groove (704) on the outer side of the main bracket (701) through a self-locking sliding shaft (706). A plurality of fasteners (705) are provided on the movable bracket (702).

6. A sampling device suitable for construction engineering quality inspection according to claim 5, characterized in that: The front end of the main bracket (701) is provided with a semicircular opening, and the lower side of the front end of the main bracket (701) is integrally formed with a mounting side plate (707), and the mounting side plate (707) can be fixed to the upper end of the movable plate (3) by bolts.

7. A sampling device suitable for construction engineering quality inspection according to claim 5, characterized in that: A semicircular pressing plate (708) is hingedly connected to the upper side of the front end of the main support (701), and a plurality of fasteners (705) are provided on the outer sides of the pressing plate (708) and the front end of the main support (701). The plurality of fasteners (705) on the movable support (702), the main support (701) and the pressing plate (708) respectively fix the rear end and the front end of the hand electric drill (10).

8. A sampling device suitable for construction engineering quality inspection according to claim 4, characterized in that: The support frame (703) has an L-shaped cross section, and comprises an integrally formed connection end and a support end, wherein the connection end can be connected to the upper end of the movable plate (3) by means of screws, and the support end is supported on the lower side of the handle of the hand drill (10).

9. A sampling device suitable for construction engineering quality inspection according to claim 1, characterized in that: The cover plate (121) is a retractable structure, and a circular hole facing the sampling drill tube (8) or the spiral sampling drill bit (9) is provided in the middle of the cover plate (121).

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