Soil breaker for construction project quality detection sampling

Abstract

The invention relates to the technical field of engineering soil sampling, in particular to a soil breaker for construction engineering quality detection sampling, which comprises a frame device, a positioning device, a soil breaking device and a sampling device, a stepping motor drives a disc plate, a ring box, a negative pressure air suction device, the positioning device, the soil breaking device and the sampling device to rotate, during rotation, a handle is manually grabbed and pressed downwards, at the moment, a buffer spring is compressed and used for buffering vibration generated in the soil crushing process, a rubber ring fixedly arranged on the inner wall of a column casing and the inner wall of a positioning cylinder slides, and when a negative pressure air suction device is started, crushed soil enters a groove hole through a through hole formed in a material conveying rod; crushed soil enters the bedplate, the connecting cylinder, the annular shell, the one-way valve and the sampling cylinder in sequence along with air, the crushed soil is intercepted through the blocking filter screen, and through the arrangement, the device body can conduct synchronous treatment of crushing and soil sampling on dry and hard soil.

Description

Technical Field

[0001] The invention relates to the technical field of engineering soil sampling, in particular to a soil breaker for sampling in construction engineering quality inspection. Background Art

[0002] Before testing the soil quality of a construction project, soil sampling is performed first. A soil breaker is often used to break up the target soil and loosen the soil sample to facilitate subsequent collection and processing of the soil sample. Take the sampling of dry and hard soil quality testing for a construction project as an example.

[0003] Some soil breakers for construction engineering quality inspection and sampling can only break and loosen dry and hard soil, which is not convenient for simultaneous processing of breaking and sampling dry and hard soil. Therefore, a soil breaker for construction engineering quality inspection and sampling is proposed to address the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a soil breaker for construction project quality inspection and sampling, which is used to solve the problem that some soil breakers for construction project quality inspection and sampling can only break and loosen dry and hard soil, and are not convenient for simultaneous processing of breaking and sampling dry and hard soil.

[0005] To achieve the above object, the present invention provides the following technical solutions: A soil-breaking device for sampling for quality inspection of construction projects comprises a frame device, a positioning device, a soil-breaking device and a sampling device. The frame device is provided with a positioning device at the bottom, the positioning device is provided with a soil-breaking device at the bottom, and the sampling device is provided with a sampling device at the top. The frame device comprises a panel, a handle, a motor cover, a stepper motor, a disc plate, a ring box and a negative pressure suction device. The handle, the motor cover and the stepper motor are fixedly provided at the top of the panel, the disc plate is fixedly provided at the end of the main shaft of the stepper motor, the ring box is fixedly provided on the outside of the disc plate, and the negative pressure suction device is fixedly provided on the top of the disc plate.

[0006] Preferably, the positioning device includes a positioning cylinder, a column cylinder, a pad, a first silicone ring, an insert and a buffer spring. The rubber ring fixedly arranged on the inner wall of the positioning cylinder is slidably arranged with the column cylinder, a pad is fixedly arranged at the bottom end of the column cylinder, a first silicone ring is fixedly arranged at the bottom end of the pad, an insert is fixedly arranged at the bottom end of the pad and the inner wall of the first silicone ring, a buffer spring is fixedly arranged between the top end of the pad and the inner side of the bottom end of the ring box, the top of the positioning cylinder is fixedly arranged with the bottom end of the ring box, and the suction pipe connected to the right end of the negative pressure suction device is fixedly connected to the top end of the ring box.

[0007] Preferably, a soil-breaking device is provided at the bottom of the insert tube, and the soil-breaking device includes a drill bit, a feed rod and a table. The feed rod is fixedly provided on the top of the drill bit, and the table is fixedly provided on the top of the feed rod. The slot hole opened inside the feed rod is connected to the slot hole opened inside the table, and through holes are symmetrically opened inside the left end and the right end of the feed rod.

[0008] Preferably, four sampling devices are symmetrically arranged on the outer sides of the four inclined surfaces of the table top, and the sampling devices include a connecting tube, a gasket, a sampling tube, a ring shell, a second silicone ring, a one-way valve, a corner block, a guide tube, an insert ring and a barrier filter. A gasket is slidingly arranged on the outer side of the top of the connecting tube, a sampling tube is fixedly arranged on the top of the gasket, a ring shell is fixedly arranged on the inner wall of the sampling tube, a second silicone ring is fixedly arranged on the bottom of the ring shell, the ring shell, the second silicone ring and the inner wall of the connecting tube are slidingly arranged, a one-way valve is fixedly arranged on the inner wall of the sampling tube and the ring shell, the top of the sampling tube is in contact with the bottom of the corner block, a guide tube is fixedly arranged on the top of the corner block, an insert ring is fixedly arranged on the inclined surface of the bottom of the corner block, the insert ring is slidingly arranged with the rubber ring fixedly arranged inside the top of the sampling tube, a barrier filter is fixedly arranged inside the insert ring, the bottom of the connecting tube is fixed to the table, and the guide tube is slidingly arranged with the insert tube.

[0009] Preferably, the stepper motor is located inside a motor cover, and a dust filter is provided inside the top of the motor cover.

[0010] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the stepper motor drives the disc, the ring box, the negative pressure suction device, the positioning device, the soil breaking device and the sampling device to rotate. The above rotation is performed while manually grasping the handle and pressing it downward, and the drill bit crushes the surface layer of the soil, so that the drill bit and the feed rod enter the soil. At this time, the buffer spring is compressed to buffer the vibration generated during the soil crushing process, and the rubber ring fixedly arranged on the inner wall of the column tube and the positioning tube slides. When the negative pressure suction device is started, negative pressure suction is generated inside the sampling tube, and the crushed soil enters the slot hole through the through hole opened inside the feed rod. The slot hole opened inside the feed rod is connected with the slot hole opened inside the table plate. The crushed soil enters the inside of the table plate, the inside of the connecting tube, the inside of the ring shell, the inside of the one-way valve and the inside of the sampling tube in turn with the air, and the crushed soil is intercepted by the barrier filter. Through the above arrangement, the device body can simultaneously crush dry and hard soil and sample soil; 2. In the present invention, the gasket ring is slidably inserted and placed on the outer side of the top of the connecting tube. At this time, the ring shell, the second silicone ring and the inner wall of the connecting tube are slidably inserted and placed. The lower end sealing structure is formed by the contact and fit setting of the second silicone ring and the connecting tube. The insert ring and the rubber ring fixedly set inside the top of the sampling tube are slidably inserted and placed. The integrated placement piece can be set at the top of the sampling tube. The upper end sealing structure is formed by the contact and fit setting of the rubber ring set inside the sampling tube and the insert ring. The sampling device and the positioning device are assembled and combined by manually grasping the handle, and the cannula is vertically inserted and placed inside the guide tube. The bottom of the first silicone ring is contacted and fitted with the top of the guide tube to form a connecting sealing structure. Through the above arrangement, the device body is easy to assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall installation structure of the present invention; Figure 2 It is a schematic diagram of the structure of the rack device and the positioning device of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of the rack device of the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the enlarged structure at point A; Figure 5 It is a schematic diagram of the cross-sectional structure of the internal components of the positioning device of the present invention; Figure 6 It is a schematic diagram of the structure of the earth-breaking device and the sampling device of the present invention; Figure 7 It is a schematic diagram of the cross-sectional structure of the internal components of the earth-breaking device of the present invention; Figure 8 For the present invention Figure 7 A schematic diagram of the enlarged structure at B; Fig. 9 It is a schematic diagram of the cross-sectional structure of some internal components of the sampling device of the present invention; Fig.10 It is a schematic diagram of the installation cross-sectional structure of the positioning device and the sampling device of the present invention; Fig.11 For the present invention Fig.10 Enlarged structural diagram at C.

[0012] In the figure: 1. rack device; 11. panel; 12. handle; 13. motor cover; 14. stepper motor; 15. disc; 16. ring box; 17. negative pressure suction device; 2. positioning device; 21. positioning cylinder; 22. column cylinder; 23. pad; 24. first silicone ring; 25. insert; 26. buffer spring; 3. earth-breaking device; 31. drill bit; 32. feed rod; 33. table; 4. sampling device; 401. connecting cylinder; 402. gasket; 403. sampling cylinder; 404. ring shell; 405. second silicone ring; 406. one-way valve; 407. corner block; 408. guide cylinder; 409. insert ring; 410. barrier filter. DETAILED DESCRIPTION

[0013] 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.

[0014] In the embodiments of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the positions 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 limitations of the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Similarly, similar words such as "one", "an", or "the" do not indicate a quantitative limitation, but rather indicate the presence of at least one. Similar words such as "include" or "comprises" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects.

[0015] In addition, in the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0016] See also Figure 1-11 , the present invention provides a technical solution: A soil breaking device for sampling for quality inspection of construction projects comprises a frame device 1, a positioning device 2, a soil breaking device 3 and a sampling device 4. The frame device 1 is provided with the positioning device 2 at the bottom, the soil breaking device 3 is provided with the bottom of the positioning device 2, and the sampling device 4 is provided with the top of the soil breaking device 3. The frame device 1 comprises a panel 11, a handle 12, a motor cover 13, a stepping motor 14, a disc 15, a ring box 16 and a negative pressure suction device 17. The handle 12, the motor cover 13 and the stepping motor 14 are fixedly provided at the top of the panel 11, the disc 15 is fixedly provided at the end of the main shaft of the stepping motor 14, the ring box 16 is fixedly provided on the outside of the disc 15, and the negative pressure suction device 17 is fixedly provided on the top of the disc 15.

[0017] The positioning device 2 includes a positioning cylinder 21, a column cylinder 22, a pad 23, a first silicone ring 24, a tube 25 and a buffer spring 26. The rubber ring fixedly arranged on the inner wall of the positioning cylinder 21 is slidably arranged with the column cylinder 22. A pad 23 is fixedly arranged at the bottom end of the column cylinder 22. A first silicone ring 24 is fixedly arranged at the bottom end of the pad 23. An tube 25 is fixedly arranged at the bottom end of the pad 23 and the inner wall of the first silicone ring 24. A buffer spring 26 is fixedly arranged between the top of the pad 23 and the inner side of the bottom end of the ring box 16. The top of the positioning cylinder 21 is fixedly arranged with the bottom end of the ring box 16. The suction pipe connected to the right end of the negative pressure suction device 17 is fixedly connected to the top end of the ring box 16. Through the above arrangement, a positioning device 2 is formed which is compressed by the buffer spring 26 and is used to buffer the vibration generated during the soil crushing process.

[0018] A soil-breaking device 3 is arranged at the bottom of the insert tube 25, and the soil-breaking device 3 includes a drill bit 31, a feed rod 32 and a table 33. The feed rod 32 is fixedly arranged on the top of the drill bit 31, and the table 33 is fixedly arranged on the top of the feed rod 32. The slots opened inside the feed rod 32 are connected with the slots opened inside the table 33. Through holes are symmetrically opened inside the left end and the right end of the feed rod 32. Through the above arrangement, a connected soil-breaking device 3 is formed.

[0019] Four sampling devices 4 are symmetrically arranged on the outer sides of the four inclined surfaces of the table 33. The sampling device 4 includes a connecting tube 401, a gasket 402, a sampling tube 403, a ring shell 404, a second silicone ring 405, a one-way valve 406, a corner block 407, a guide tube 408, an insert ring 409 and a barrier filter 410. A gasket 402 is slidably arranged on the outer side of the top of the connecting tube 401, a sampling tube 403 is fixedly arranged on the top of the gasket 402, a ring shell 404 is fixedly arranged on the inner wall of the sampling tube 403, a second silicone ring 405 is fixedly arranged on the bottom of the ring shell 404, and the ring shell 404, the second silicone ring 405 and the connecting tube are connected. The inner wall of the tube 401 is slidably arranged, and the inner walls of the sampling tube 403 and the ring shell 404 are fixedly provided with a one-way valve 406. The top of the sampling tube 403 is in contact with the bottom of the corner block 407. A guide tube 408 is fixedly arranged on the top of the corner block 407. An insert ring 409 is fixedly arranged on the inclined surface of the bottom of the corner block 407. The insert ring 409 is slidably arranged with a rubber ring fixedly arranged inside the top of the sampling tube 403. A blocking filter screen 410 is fixedly arranged inside the insert ring 409. The bottom of the connecting tube 401 is fixedly arranged on the table 33, and the guide tube 408 is slidably arranged with the insert tube 25. Through the above arrangement, an assembled sampling device 4 is formed.

[0020] The stepper motor 14 is located inside the motor cover 13 , and a dust filter is provided inside the top of the motor cover 13 . Through the above arrangement, the motor cover 13 is provided to protect the stepper motor 14 from dust and heat.

[0021] Workflow: The present invention provides a soil breaker for sampling for quality inspection of construction projects. The main body of the device can simultaneously crush dry and hard soil and take soil samples, and the main body of the device is easy to assemble.

[0022] The stepper motor 14 and the negative pressure suction device 17 arranged inside the device body are controlled by an external PLC controller, and the stepper motor 14 and the negative pressure suction device 17 arranged above are electrically connected to an external power source.

[0023] First, assemble the earth-breaking device 3 and the sampling device 4. The bottom of the connecting tube 401 is fixed to the table 33. The gasket 402, the sampling tube 403, the ring shell 404, the second silicone ring 405 and the one-way valve 406 are an integrated fixed tube part. The corner block 407, the guide tube 408, the plug ring 409 and the barrier filter 410 are an integrated placement part. First, assemble the connecting tube 401 and the integrated fixed tube part. The gasket 402 is slidably inserted and placed on the top of the connecting tube 401. On the side, at this time, the ring shell 404, the second silicone ring 405 and the inner wall of the connecting tube 401 are slidably inserted and placed, and the lower end sealing structure is formed by the contact and fit setting of the second silicone ring 405 and the connecting tube 401, and the plug-in ring 409 and the rubber ring fixedly set inside the top of the sampling tube 403 are slidably inserted and placed, and the integrated placement piece can be set on the top of the sampling tube 403, and the upper end sealing structure is formed by the contact and fit setting of the rubber ring set inside the sampling tube 403 and the plug-in ring 409.

[0024] Place the drill bit 31 vertically on the dry and hard soil surface to be sampled, manually grasp the handle 12 to assemble the sampling device 4 and the positioning device 2, and vertically insert the cannula 25 into the guide tube 408. The bottom of the first silicone ring 24 is in contact with the top of the guide tube 408 to form a connection sealing structure.

[0025] The stepper motor 14 and the negative pressure suction device 17 are started, and the stepper motor 14 drives the disc 15, the ring box 16, the negative pressure suction device 17, the positioning device 2, the soil breaking device 3 and the sampling device 4 to rotate. At the same time, the handle 12 is manually grasped and pressed downward, and the drill bit 31 breaks the surface of the soil, so that the drill bit 31 and the feed rod 32 enter the soil. At this time, the buffer spring 26 is compressed to buffer the vibration generated by the soil breaking process, and the column tube 22 and the rubber ring fixedly arranged on the inner wall of the positioning tube 21 slide. When the negative pressure suction device 17 is started, the right end pipe of the negative pressure suction device 17, the ring box 16, the positioning tube 21, the column tube 22 , the pad 23, the insert 25, the guide tube 408, the corner block 407, and the insert ring 409 are a connected combination structure, which generates negative pressure suction inside the sampling tube 403, and the one-way valve 406 is a one-way passage setting from bottom to top. The crushed soil enters the slot hole through the through hole opened in the feeding rod 32, and the slot hole opened in the feeding rod 32 is connected with the slot hole opened in the table plate 33. The crushed soil enters the table plate 33, the connecting tube 401, the annular shell 404, the one-way valve 406 and the sampling tube 403 in turn along with the air, and the crushed soil is intercepted and processed by the blocking filter 410, and the air is discharged along the above-mentioned connected combination structure.

[0026] 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 soil breaker for sampling for construction engineering quality inspection, comprising a frame device (1), a positioning device (2), a soil breaker device (3) and a sampling device (4), characterized in that: The bottom of the frame device (1) is provided with a positioning device (2), the bottom of the positioning device (2) is provided with a soil breaking device (3), the top of the soil breaking device (3) is provided with a sampling device (4), the frame device (1) comprises a panel (11), a handle (12), a motor cover (13), a stepping motor (14), a disc (15), a ring box (16) and a negative pressure suction device (17), the top of the panel (11) is fixedly provided with a handle (12), a motor cover (13) and a stepping motor (14), the end of the main shaft of the stepping motor (14) is fixedly provided with a disc (15), the outer side of the disc (15) is fixedly provided with a ring box (16), and the top of the disc (15) is fixedly provided with a negative pressure suction device (17).

2. The earth-breaking device for sampling construction project quality inspection according to claim 1, characterized in that: The positioning device (2) comprises a positioning tube (21), a column tube (22), a pad (23), a first silicone ring (24), an insertion tube (25) and a buffer spring (26); the rubber ring fixedly arranged on the inner wall of the positioning tube (21) is slidably arranged with the column tube (22); the pad (23) is fixedly arranged at the bottom end of the column tube (22); the first silicone ring (24) is fixedly arranged at the bottom end of the pad (23); the insertion tube (25) is fixedly arranged at the bottom end of the pad (23) and the inner wall of the first silicone ring (24); a buffer spring (26) is fixedly arranged between the top end of the pad (23) and the inner side of the bottom end of the ring box (16); the top of the positioning tube (21) is fixedly arranged with the bottom end of the ring box (16); the suction tube connected to the right end of the negative pressure suction device (17) is fixedly connected with the top end of the ring box (16).

3. The earth-breaking device for sampling construction project quality inspection according to claim 2, characterized in that: A soil-breaking device (3) is arranged at the bottom of the insertion tube (25), and the soil-breaking device (3) comprises a drill bit (31), a feed rod (32) and a table (33). The feed rod (32) is fixedly arranged at the top of the drill bit (31), and the table (33) is fixedly arranged at the top of the feed rod (32). The slotted hole provided inside the feed rod (32) is connected to the slotted hole provided inside the table (33), and through holes are symmetrically provided inside the left end and the right end of the feed rod (32).

4. The earth-breaking device for sampling construction project quality inspection according to claim 3, characterized in that: Four sampling devices (4) are symmetrically arranged on the outer sides of the four inclined surfaces of the table (33), and the sampling devices (4) include a connecting tube (401), a gasket (402), a sampling tube (403), a ring shell (404), a second silicone ring (405), a one-way valve (406), a corner block (407), a guide tube (408), an insert ring (409), and a barrier filter (410). A gasket (402) is slidably arranged on the outer side of the top of the connecting tube (401), a sampling tube (403) is fixedly arranged on the top of the gasket (402), a ring shell (404) is fixedly arranged on the inner wall of the sampling tube (403), a second silicone ring (405) is fixedly arranged on the bottom of the ring shell (404), and the ring shell (404) , a second silicone ring (405) is slidably arranged on the inner wall of the connecting tube (401); a one-way valve (406) is fixedly arranged on the inner walls of the sampling tube (403) and the ring shell (404); the top of the sampling tube (403) is in contact with the bottom of the corner block (407); a guide tube (408) is fixedly arranged on the top of the corner block (407); an insert ring (409) is fixedly arranged on the inclined surface of the bottom of the corner block (407); the insert ring (409) is slidably arranged on the rubber ring fixedly arranged inside the top of the sampling tube (403); a barrier filter (410) is fixedly arranged inside the insert ring (409); the bottom of the connecting tube (401) is fixedly arranged on the table (33); and the guide tube (408) is slidably arranged on the cannula (25).

5. The earth-breaking device for sampling construction project quality inspection according to claim 1, characterized in that: The stepper motor (14) is located inside the motor cover (13), and a dust filter is provided inside the top end of the motor cover (13).

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