Pore-forming drawing pipe for pile foundation quality ultrasonic detection

Abstract

The utility model relates to the technical field of building construction, in particular to a pore-forming drawing pipe for pile foundation quality ultrasonic detection, which comprises a first drawing pipe, an anchoring mechanism is arranged at the bottom of the first drawing pipe, and the anchoring mechanism comprises a fixed air bag arranged at the bottom of the first drawing pipe. A fixed block is fixedly connected to the top end of the fixed air bag, side air leakage holes are formed in the two sides of the fixed block, two special-shaped pistons are arranged above the fixed air bag, through holes are formed in the outer sides of the special-shaped pistons and formed in the surface of the fixed block, and sliding frames slide in the through holes; a sliding groove is formed in the outer side of the sliding frame and formed in the first drawing pipe, and the sliding frame is slidably connected to the interior of the sliding groove. The first threaded rod and the first threaded groove are matched to take down the fixed air bag for re-inflation, so that it is guaranteed that the overall structure of the anchoring mechanism is located in the first drawing pipe, and the work amount is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a hole-forming and extraction pipe used for ultrasonic detection of pile foundation quality. Background Art

[0002] The extraction tube drilling technology has the advantages of high drilling efficiency and good quality. It is widely used in highway and bridge construction. It is mainly used to reserve prestressed holes in concrete beams. It can also be used for drilling operations in ultrasonic testing of pile foundations, as well as other large-volume concrete reserved holes. Compared with traditional permanent drilling technology of steel pipes and corrugated pipes, it has the advantages of reusability and saving construction costs. At present, the extraction tubes used to form reserved holes are mostly hollow circular tube structures or solid round rod structures, made of flexible materials such as rubber.

[0003] After searching, the patent document with the publication number CN112376632B proposes a hole-forming extraction tube for ultrasonic detection of pile foundation quality: the invention discloses a hole-forming extraction tube for pile foundation quality detection, which relates to the field of building construction technology. It includes an extraction tube body, a plug-in tube is fixedly installed on the lower surface of the extraction tube body, a fixed airbag is fixedly installed on the lower surface of the plug-in tube, a fixed ring is sleeved on the outer surface of the plug-in tube, an exhaust mechanism is arranged on the plug-in tube, the grid plate is fixedly installed on the inner wall of the plug-in tube, a sealing plug is fixedly installed on the upper surface of the grid plate through a spring, the sealing plug is inserted in the plug-in tube, an exhaust channel is opened on the side wall corresponding to the plug-in tube and the sealing plug, and a fixing mechanism is arranged on the upper surface of the extraction tube body. The present invention deflates the fixed airbag through the exhaust mechanism, which is convenient for taking out the extraction tube, effectively avoiding the extraction tube body from being pulled and damaged, and making it safer to use. At the same time, the fixing mechanism makes the connection strength of the mutually docked extraction tube bodies large and the sealing effect good.

[0004] During use of the above technical solution, since the fixing ring and other structures increase the overall diameter of the extraction tube, the diameter of the drill hole adapted to its operation also needs to be expanded, thereby increasing the engineering workload and the use cost of the structure.

[0005] Therefore, it is necessary to invent a hole-forming and extraction tube for ultrasonic testing of pile foundation quality to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a hole-forming extraction tube for ultrasonic testing of pile foundation quality, by which the overall diameter of the structure is reduced through the cooperation of the extraction tube and the anchoring mechanism, so as to solve the problem of increased engineering workload and increased use cost of the structure in the prior art.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hole-forming extraction tube for ultrasonic detection of pile foundation quality, comprising an extraction tube 1, an anchoring mechanism is arranged at the bottom of the extraction tube 1, the anchoring mechanism comprises a fixed air bag arranged at the bottom of the extraction tube 1, the top of the fixed air bag is fixedly connected to a fixed block and side air leakage holes are opened on both sides of the fixed block, two groups of special-shaped pistons are arranged above the fixed air bag, the outer side of the special-shaped piston is provided with a through hole and the through hole is opened on the surface of the fixed block, a sliding frame is slidably arranged inside the through hole, a sliding groove is arranged on the outer side of the sliding frame and the sliding groove is opened inside the extraction tube 1, the sliding frame is slidably connected to the inside of the sliding groove, so that the sliding frame drives the special-shaped piston to move to achieve deflation.

[0008] Preferably, the fixed block slides at the bottom of the extraction tube, a threaded groove is provided on the top of the fixed block, a threaded rod is threadedly connected to the inner wall of the threaded groove, a fixed plate is fixedly connected to the top of the threaded rod, and the fixed plate is fixedly connected to the inner wall of the extraction tube, and the structure can be reused by utilizing the cooperation between the threaded rod and the threaded groove.

[0009] Preferably, the outer wall of the extraction tube 1 is provided with two groups of outer holes, the side air leakage holes are arranged on the inner side of the outer holes, the inner side of the side air leakage holes is fitted with the special-shaped piston, and the air release efficiency is improved through the side air leakage holes.

[0010] Preferably, the top end of the extraction tube one is fixedly connected with an internal threaded ring, the outer wall of the internal threaded ring is threadedly connected with an external threaded ring, and the top end of the external threaded ring is fixedly connected with connecting tube two, and the connection between extraction tube one and connecting tube two is achieved by utilizing the cooperation between the internal threaded ring and the external threaded ring.

[0011] Preferably, the inner wall of the internal threaded ring is fixedly connected with a threaded rod 2, the bottom of the connecting pipe 2 is provided with a threaded groove 2, and the threaded rod 2 is threadedly connected to the inside of the threaded groove 2, and the connection strength is increased by the cooperation between the threaded groove 2 and the threaded rod 2.

[0012] Preferably, an air passage is provided inside the second connecting pipe, and a gas port is fixedly connected to the bottom end of the second threaded rod, and the gas port is located above the sliding frame to guide the high-pressure gas.

[0013] Preferably, two sets of telescopic rods are fixedly connected to the bottom end of the fixed block, the telescopic rods are fixedly connected to the top end of the special-shaped piston, and the outer wall of the telescopic rods is sleeved with a return spring, and the elasticity of the return spring is used to realize the extension and retraction of the telescopic rods.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. Through the cooperation between the extraction tube 1 and the anchoring mechanism, when the fixed airbag needs to be deflated, the sliding frame is used to slide in the sliding groove to drive the special-shaped piston to move downward, thereby exposing the side deflation holes on both sides of the fixed block, so that the gas inside the fixed airbag is leaked from the side deflation holes and the outer holes. Finally, the fixed airbag is removed and re-inflated through the cooperation between the threaded rod 1 and the threaded groove 1, so as to ensure that the overall structure of the anchoring mechanism is located inside the extraction tube 1, thereby reducing the amount of engineering work;

[0016] 2. Through the cooperation of the telescopic rod and the return spring, the elasticity of the return spring is utilized to make the special-shaped piston located inside the fixed block when not in operation, thereby preventing the special-shaped piston from moving downward when not needed, thus ensuring the stability of the structure.

[0017] 3. The connection between the extraction tube 1 and the connecting tube 2 is achieved through the cooperation between the internal thread ring and the external thread ring, and the connection strength between the extraction tube 1 and the connecting tube 2 is increased through the cooperation between the airway and the threaded rod 2. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0021] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0022] Figure 4 For the utility model Figure 3 The enlarged structural diagram at B in the middle;

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the fixing block of the utility model.

[0024] Description of reference numerals:

[0025] 1. Extraction tube one; 2. Anchoring mechanism; 201. Fixed airbag; 202. Sliding groove; 203. Sliding frame; 204. Fixed plate; 205. Through hole; 206. Threaded rod one; 207. Threaded groove one; 208. Special-shaped piston; 209. Fixed block; 210. Side vent hole; 3. Connecting tube two; 4. Internal thread ring; 5. External thread ring; 6. Air port; 7. Threaded groove two; 8. Airway; 9. Threaded rod two; 10. Telescopic rod; 11. Return spring; 12. External hole. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] The utility model provides Figure 1-5The hole-forming extraction tube for ultrasonic detection of pile foundation quality shown in the figure comprises an extraction tube 1, an anchoring mechanism 2 is arranged at the bottom of the extraction tube 1, the anchoring mechanism 2 comprises a fixed air bag 201 arranged at the bottom of the extraction tube 1, a fixed block 209 is fixedly connected to the top of the fixed air bag 201, and side air leakage holes 210 are opened on both sides of the fixed block 209, two groups of special-shaped pistons 208 are arranged above the fixed air bag 201, and the outer side of the special-shaped piston 208 is provided with a through hole 205, and the through hole 205 is opened on the surface of the fixed block 209. The movement of the special-shaped piston 208 is realized by passing through the hole 205. A sliding frame 203 slides inside the through hole 205. The sliding frame 203 is used to drive the special-shaped piston 208 to move. The outer side of the sliding frame 203 is provided with a sliding groove 202, and the sliding groove 202 is opened inside the extraction tube 1. The sliding frame 203 is slidably connected to the inside of the sliding groove 202, so that the sliding frame 203 drives the special-shaped piston 208 to move and realize deflation. The fixed block 209 slides on the bottom of the extraction tube 1, and the top of the fixed block 209 is provided with a threaded groove. 1, the inner wall of the threaded groove 207 is threadedly connected with a threaded rod 206, the top of the threaded rod 206 is fixedly connected with a fixing plate 204, the fixing plate 204 is fixedly connected to the inner wall of the extraction tube 1, and the cooperation of the threaded rod 206 and the threaded groove 207 is used to realize the reuse of the structure, the outer wall of the extraction tube 1 is provided with two groups of outer holes 12, the side air leakage hole 210 is arranged on the inner side of the outer hole 12, the inner side of the side air leakage hole 210 is fitted with the special-shaped piston 208, and the air release efficiency is improved through the side air leakage hole 210. Through the cooperation between the extraction tube 1 and the anchoring mechanism 2, when the fixed airbag 201 needs to be deflated, the sliding frame 203 is used to slide in the sliding groove 202 to drive the special-shaped piston 208 to move downward, thereby exposing the side deflation holes 210 on both sides of the fixed block 209, so that the gas inside the fixed airbag 201 can be leaked from the side deflation holes 210 and the outer hole 12, and finally the fixed airbag 201 is removed and re-inflated through the cooperation of the threaded rod 206 and the threaded groove 207 to ensure that the overall structure of the anchoring mechanism 2 is located inside the extraction tube 1, thereby reducing the amount of engineering work.

[0028] Refer to the instruction manual Figure 1-5The top of the extraction tube 1 is fixedly connected with an internal thread ring 4, the outer wall of the internal thread ring 4 is threadedly connected with an external thread ring 5, the top of the external thread ring 5 is fixedly connected with a connecting tube 2 3, the connection between the extraction tube 1 and the connecting tube 2 3 is achieved by the cooperation between the internal thread ring 4 and the external thread ring 5, the inner wall of the internal thread ring 4 is fixedly connected with a threaded rod 2 9, the bottom of the connecting tube 2 3 is provided with a thread groove 2 7, the threaded rod 2 9 is threadedly connected to the inside of the thread groove 2 7, the connection strength is increased by the cooperation between the thread groove 2 7 and the threaded rod 2 9, the inside of the connecting tube 2 3 is provided with an airway 8, the bottom of the threaded rod 2 9 is fixedly connected with an airway 8 Port 6, the air port 6 is located above the sliding frame 203, and guides the high-pressure gas. Two sets of telescopic rods 10 are fixedly connected to the bottom end of the fixed block 209. The telescopic rods 10 are fixedly connected to the top of the special-shaped piston 208. The outer wall of the telescopic rod 10 is sleeved with a return spring 11. The elasticity of the return spring 11 is used to realize the extension and retraction of the telescopic rod 10. Through the cooperation of the telescopic rod 10 and the return spring 11, the elasticity of the return spring 11 is used to make the special-shaped piston 208 located inside the fixed block 209 when not working, thereby preventing the special-shaped piston 208 from moving downward when not needed, thereby ensuring the stability of the structure.

[0029] How this utility works:

[0030] Refer to the instruction manual Figure 1-5 When the extraction tube 1 needs to be connected to the connecting tube 2 3, the connection between the extraction tube 1 and the connecting tube 2 3 is first achieved through the cooperation of the internal thread ring 4 and the external thread ring 5, and the connection strength between the extraction tube 1 and the connecting tube 2 3 is increased by the cooperation of the airway 8 and the threaded rod 2 9, and the increase of the external volume is prevented by the internal connection. When the fixed airbag 201 needs to be deflated, the high-pressure gas is blown to the top of the sliding frame 203 through the airway 8 and the air port 6, so that the sliding frame 203 slides down and drives the special-shaped piston 208 to slide, so that the airbag 201 is deflated. The through hole 205 and the side air leakage hole 210 are exposed, so that the gas inside the fixed airbag 201 leaks from the through hole 205 and the side air leakage hole 210. Before that, the elasticity of the return spring 11 is used to make the special-shaped piston 208 located inside the fixed block 209 when not in operation, thereby preventing the special-shaped piston 208 from moving downward when not needed, ensuring the stability of the structure. When the fixed airbag 201 needs to be re-inflated, the fixed block 209 is rotated to separate the threaded rod 206 and the threaded groove 207.

[0031] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A hole-forming extraction tube for ultrasonic testing of pile foundation quality, comprising an extraction tube 1 (1), characterized in that: The bottom of the extraction tube (1) is provided with an anchoring mechanism (2), and the anchoring mechanism (2) includes a fixed airbag (201) arranged at the bottom of the extraction tube (1), the top of the fixed airbag (201) is fixedly connected to a fixed block (209), and side air leakage holes (210) are opened on both sides of the fixed block (209), and two groups of special-shaped pistons (208) are arranged above the fixed airbag (201), and the outer side of the special-shaped piston (208) is provided with a through hole (205), and the through hole (205) is opened on the surface of the fixed block (209), and a sliding frame (203) is slidably arranged inside the through hole (205), and a sliding groove (202) is arranged on the outer side of the sliding frame (203), and the sliding groove (202) is opened inside the extraction tube (1), and the sliding frame (203) is slidably connected to the inside of the sliding groove (202).

2. The hole-forming and extraction tube for ultrasonic testing of pile foundation quality according to claim 1 is characterized in that: The fixing block (209) slides on the bottom of the extraction tube (1), and a thread groove (207) is provided on the top of the fixing block (209). The inner wall of the thread groove (207) is threadedly connected to a threaded rod (206), and the top end of the threaded rod (206) is fixedly connected to a fixing plate (204), and the fixing plate (204) is fixedly connected to the inner wall of the extraction tube (1).

3. The hole-forming and extraction tube for ultrasonic testing of pile foundation quality according to claim 1 is characterized in that: The outer wall of the extraction tube (1) is provided with two groups of outer holes (12), the side air leakage holes (210) are arranged on the inner side of the outer holes (12), and the inner side of the side air leakage holes (210) is in contact with the special-shaped piston (208).

4. The hole-forming and extraction tube for ultrasonic testing of pile foundation quality according to claim 1, characterized in that: The top end of the extraction tube 1 (1) is fixedly connected to an internal threaded ring (4), the outer wall of the internal threaded ring (4) is threadedly connected to an external threaded ring (5), and the top end of the external threaded ring (5) is fixedly connected to the connecting tube 2 (3).

5. The hole-forming and extraction tube for ultrasonic testing of pile foundation quality according to claim 4 is characterized in that: The inner side wall of the internal thread ring (4) is fixedly connected with a second threaded rod (9), the bottom of the second connecting pipe (3) is provided with a second threaded groove (7), and the second threaded rod (9) is threadedly connected to the inside of the second threaded groove (7).

6. The hole-forming and extraction tube for ultrasonic testing of pile foundation quality according to claim 5 is characterized in that: An air passage (8) is provided inside the second connecting pipe (3), and a gas port (6) is fixedly connected to the bottom end of the second threaded rod (9), wherein the gas port (6) is located above the sliding frame (203).

7. The hole-forming and extraction tube for ultrasonic testing of pile foundation quality according to claim 1 is characterized in that: Two groups of telescopic rods (10) are fixedly connected to the bottom end of the fixed block (209), the telescopic rods (10) are fixedly connected to the top end of the special-shaped piston (208), and the outer wall of the telescopic rods (10) is sleeved with a return spring (11).

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