Pile foundation sounding pipe protection method

Abstract

The invention provides a pile foundation sounding pipe protection method, the upper end of a pile foundation sounding pipe is sleeved with a pipe sleeve to seal the pile foundation sounding pipe for protection, the pipe sleeve comprises a pipe body and a top wall sealed at the upper end of the pipe body, the lower end of the pipe body is open to form an insertion opening, and a fluorescent band is arranged on the outer surface of the pipe sleeve; when protection is carried out, the sleeve is arranged at the upper end of the pile foundation sounding pipe in a sleeving mode in the state that the insertion opening faces downwards to seal the pile foundation sounding pipe, so that objects are prevented from falling into the pile foundation sounding pipe, the fluorescent band is prevented from emitting light at night, and the position of the pile foundation sounding pipe is recognized. According to the pile foundation sounding pipe protection method, the pile foundation sounding pipe is reliably protected, and the problem that the pile foundation sounding pipe is not provided with a special protection device for protection is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of bridge construction, and particularly relates to a method for protecting pile foundation acoustic pipes. Background Art

[0002] In order to detect the quality of concrete pile foundations, pile foundation acoustic pipes are pre-embedded in the concrete pile foundations, and acoustic detection instruments extend into the pile foundations through the pile foundation acoustic pipes for detection. In order to protect the pile foundation acoustic pipes and prevent objects from falling in, the existing method is to knead a flexible object into a ball and block it inside the upper end of the pile foundation acoustic pipe, and there is a lack of a special protection device for protection. The method of blocking with a kneaded flexible object is prone to being accidentally inserted too deep, resulting in difficulty in taking it out, and the protection effect is poor. Summary of the Invention

[0003] The present invention aims to provide a method for protecting pile foundation acoustic pipes that can reliably protect the pile foundation acoustic pipes, and solves the problem that the pile foundation acoustic pipes lack a special protection device for protection.

[0004] To achieve the above object, the present invention adopts the following technology: A method for protecting pile foundation acoustic pipes, characterized in that the pile foundation acoustic pipes are protected by sleeving a pipe sleeve on the upper end of the pile foundation acoustic pipes to close the pile foundation acoustic pipes. The sleeve includes a pipe body and a top wall closed at the upper end of the pipe body. The lower end of the pipe body is open to form an insertion opening, and a fluorescent strip is provided on the outer surface of the sleeve. When protecting, the sleeve is sleeved on the upper end of the pile foundation acoustic pipe with the insertion opening facing down to close the pile foundation acoustic pipe to prevent objects from falling into the pile foundation acoustic pipe, and the fluorescent strip emits light at night to identify the position of the pile foundation acoustic pipe.

[0005] Preferably, the sleeve is an elastic structure that can elastically expand and contract. The insertion opening is connected with a rigid holding ring. A plurality of swing rods distributed circumferentially along the pipe body and extending axially are provided inside the pipe wall of the pipe body. A rigid ring is provided inside one end of the pipe body side wall connected to the top wall. One end of the swing rod is rotatably sleeved on the rigid ring, and a pressing spring for driving the swing rod to move towards the inside of the pipe body to press the pipe body against the pile foundation acoustic pipe and a swing rod relaxation structure for driving the swing rod to move away from the inside of the pipe body are provided at the other end of the swing rod. When the pipe sleeve needs to be removed or sleeved, the swing rod is loosened from pressing the sleeve through the swing rod relaxation structure, and then the rigid holding ring is held to sleeve the pipe sleeve on the pile foundation acoustic pipe or remove it. When the pipe sleeve is sleeved on the pile foundation acoustic pipe, the pipe sleeve is tightly sleeved on the pile foundation acoustic pipe under the action of the pressing spring. It can be tightly sleeved on the pile foundation acoustic pipe and can be easily removed.

[0006] Preferably, the entire circumference of the insertion opening is hermetically fixed to the rigid holding ring. This can avoid gaps between the rigid holding ring and the sleeve, interfering with the sleeving of the sleeve on the pile foundation acoustic pipe.

[0007] Preferably, the end of the swing rod connected to the rigid ring is in a state of being pressed against the sleeve, which can improve the tightening effect of the sleeve.

[0008] Preferably, the rigid ring is aligned with the top wall, which can enable the swing rod to swing significantly.

[0009] Preferably, the sleeve is a casting, and two retaining rings are provided on the rigid ring and distributed on both sides of the swing rod, which can prevent the molten sleeve material from entering the rotating surfaces of the swing rod and the rigid ring during pouring and affect the swing of the swing rod.

[0010] Preferably, an annular sealing groove is provided on the swing rod, and a sealing flange is provided on the outer edge of the retaining ring and is inserted into the annular sealing groove. The sealing flange is an annulus with the axis of the swing of the swing rod as the center line, which can enable the swing rod to swing easily although the sleeve is formed by pouring.

[0011] Preferably, a clearance is provided between the retaining ring and the swing rod, which can make the swing of the swing rod more labor-saving.

[0012] Preferably, the rigid holding ring is provided with accommodation pits distributed along the circumferential direction of the sleeve. The accommodation pits are located on the upper end surface of the rigid holding ring. The swing rods are correspondingly inserted into the accommodation pits. The swing rod relaxation structure includes a seesaw rod hinged in the accommodation pit through a hinge shaft and a pressing pin inserted through the outer side wall of the accommodation pit and abutting against one end of the seesaw rod. One end of the pressing spring presses against the other end of the seesaw rod, and the other end is connected to the inner surface of the outer side wall of the accommodation pit. The swing rod overlaps on the side of the seesaw rod facing the outer side wall of the accommodation pit. During use, hold all the pressing pins. The pressing pins retract and drive the seesaw rod to swing and overcome the elastic force of the pressing spring, thereby driving the swing rod to swing in the loosening direction. When the pressing action on the pressing pins is lost, the seesaw rod resets under the action of the pressing spring, and the swing rod resets.

[0013] Preferably, an elastic holding ring is further sleeved on the rigid holding ring, and the outer ends of the pressing pins are connected to the inner circumferential surface of the elastic holding ring. When in use, hold the elastic holding ring to drive the pressing pins, which can improve the reliability of driving all the pressing pins simultaneously and improve the comfort during use.

[0014] Beneficial effects: It can reliably protect the pile foundation acoustic side tube, and there will be no phenomenon of falling into the pile foundation acoustic side tube, and it can be identified at night. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic cross-sectional view of the pile foundation acoustic detection tube protection sleeve in the use state; Figure 2 For Figure 1 The partial enlarged schematic view of part A of Figure 3 is Figure 1 a partial enlarged schematic view of part B of Figure 4 is Figure 3 a partial enlarged schematic view of part C of Figure 5 is Figure 1 a sectional view taken along line D - D of Figure 6 is Figure 5 a partial enlarged schematic view of part E of Figure 7 is Figure 6 a partial enlarged schematic view of part F of

[0016] In the figure: pile foundation sonic logging tube 1, casing 2, tube body 3, top wall 4, rigid holding ring 5, swing rod 6, rigid ring 7, retaining ring 8, sealing flange 9, pressing spring 10, swing rod relaxation structure 11, avoidance gap 12, accommodating pit 13, hinge shaft 14, seesaw rod 15, outer side wall of the accommodating pit 16, pressing pin 17, elastic holding ring 18. Specific embodiments

[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0018] See Figures 1 to 7, a method for protecting pile foundation sonic logging tubes, which protects the pile foundation sonic logging tubes by sleeving a tube sleeve 2 on the upper end of the pile foundation sonic logging tube 1 to seal the pile foundation sonic logging tube. The tube sleeve includes a tube body 3 and a top wall 4 sealed at the upper end of the tube body. The lower end of the tube body is open to form an insertion opening. A fluorescent strip is provided on the outer surface of the tube sleeve. During use, the tube sleeve is sleeved on the upper end of the pile foundation sonic logging tube with the insertion opening facing down to seal the pile foundation sonic logging tube. The tube sleeve is an elastic structure (specifically rubber) that can elastically expand and contract. A rigid holding ring 5 is connected to the insertion opening. A plurality of swing rods 6 extending axially along the circumferential direction of the tube body are provided inside the tube wall of the tube body. A rigid ring 7 is provided inside one end of the tube body side wall connected to the top wall. One end of the swing rod is rotatably sleeved on the rigid ring. The end of the swing rod connected to the rigid ring is in a state of pressing on the tube sleeve. The rigid ring is aligned with the top wall. The tube sleeve is a casting. Two retaining rings 8 distributed on both sides of the swing rod are provided on the rigid ring. An annular sealing groove is provided on the swing rod. A sealing flange 9 penetrating through the annular sealing groove is provided on the outer edge of the retaining ring. The sealing flange is an annulus with the axis of swing of the swing rod as the center line. The other end of the swing rod is provided with a pressing spring 10 for driving the swing rod to move towards the inside of the tube body to press the tube body on the pile foundation sonic logging tube and a swing rod relaxation structure 11 for driving the swing rod to move away from the inside of the tube body. When the tube sleeve needs to be removed or sleeved, the swing rod relaxation structure is used to make the swing rod release the pressing action on the tube sleeve, and then the rigid holding ring is held to sleeve the tube sleeve on the pile foundation sonic logging tube or remove it. When the tube sleeve is sleeved on the pile foundation sonic logging tube, the tube sleeve is tightly sleeved on the pile foundation sonic logging tube under the action of the pressing spring. The entire circumference of the insertion opening is hermetically fixed to the rigid holding ring. An avoidance gap 12 is provided between the retaining ring and the swing rod. The rigid holding ring is provided with accommodation pits 13 distributed along the circumferential direction of the tube sleeve. The accommodation pits are located on the upper end surface of the rigid holding ring. The swing rods are respectively inserted into the accommodation pits. The swing rod relaxation structure includes a seesaw rod 15 hinged in the accommodation pit through a hinge shaft 14 and a pressing pin 17 penetrating through the outer side wall 16 of the accommodation pit and abutting against one end of the seesaw rod. One end of the pressing spring presses on the other end of the seesaw rod, and the other end is connected to the inner surface of the outer side wall of the accommodation pit. The swing rod is lapped on the side of the seesaw rod facing the outer side wall of the accommodation pit. During use, all the pressing pins are held. The pressing pins retract to drive the seesaw rod to swing and overcome the elastic force of the pressing spring, thereby driving the swing rod to swing in the loosening direction. When the pressing action on the pressing pins is lost, the seesaw rod resets under the action of the pressing spring, and the swing rod resets. An elastic holding ring 18 sleeved on the rigid holding ring is also included. The outer end of the pressing pin is connected to the inner circumferential surface of the elastic holding ring. During use, the elastic holding ring is held to drive the pressing pin.

[0019] It should be noted that, in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0020] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pile foundation acoustic detection pipe protection method, characterized in that: The pile foundation acoustic detection pipe is protected by putting a pipe sleeve on the upper end of the pile foundation acoustic detection pipe, the pipe sleeve includes a pipe body and a top wall closed at the upper end of the pipe body, the lower end of the pipe body is opened to form an insertion port, and a fluorescent strip is provided on the outer surface of the pipe sleeve; when protecting, the pipe sleeve is put on the upper end of the pile foundation acoustic detection pipe with the insertion port facing downward to close the pile foundation acoustic detection pipe to prevent objects from falling into the pile foundation acoustic detection pipe, and the fluorescent strip glows at night to identify the position of the pile foundation acoustic detection pipe.

2. A pile foundation acoustic detection pipe protection method according to claim 1, characterized in that: The sleeve is an elastic structure that can be elastically extended and retracted, the insertion port is connected to a rigid holding ring, a plurality of rocker arms extending axially along the circumference of the tube body are provided in the tube wall of the tube body, a rigid ring is provided in one end of the tube body side wall connected to the top wall, one end of the rocker arm can be rotatably mounted on the rigid ring, and the other end of the rocker arm is provided with a pressing spring that drives the rocker arm to move toward the inside of the tube body to press the tube body against the pile foundation acoustic detection tube and a rocker arm relaxation structure that drives the rocker arm to move away from the inside of the tube body; when the tube sleeve is to be removed or put on, the rocker arm relaxation structure releases the pressing effect on the sleeve, and then the rigid holding ring is held to put the sleeve on the pile foundation acoustic detection tube or remove it; when the sleeve is put on the pile foundation acoustic detection tube, the sleeve is tightly put on the pile foundation acoustic detection tube under the action of the pressing spring.

3. A pile foundation acoustic detection pipe protection method according to claim 2, characterized in that: The entire circumference of the insertion port is sealed and fixed with the rigid holding ring to avoid a gap between the rigid holding ring and the sleeve, which would interfere with the sleeve being installed on the pile foundation acoustic detection pipe.

4. A pile foundation acoustic detection pipe protection method according to claim 2 or 3, characterized in that: One end of the swing rod connected to the rigid ring is in a state of being pressed against the sleeve to improve the sleeve tightening effect.

5. A pile foundation acoustic detection pipe protection method according to claim 4, characterized in that: The rigid ring is aligned with the top wall.

6. A pile foundation acoustic detection pipe protection method according to claim 1, 2 or 3, characterized in that: The sleeve is a casting, and the rigid ring is provided with two retaining rings distributed on both sides of the swing rod.

7. A pile foundation acoustic detection pipe protection method according to claim 6, characterized in that: The swing rod is provided with an annular sealing groove, and the outer edge of the retaining ring is provided with a sealing flange which penetrates the annular sealing groove. The sealing flange is annular with the axis of the swing rod as the center line.

8. A pile foundation acoustic detection pipe protection method according to claim 7, characterized in that: An escape gap is arranged between the retaining ring and the swing rod.

9. A pile foundation acoustic detection pipe protection method according to claim 2 or 3, characterized in that: The rigid holding ring is provided with receiving pits distributed along the circumference of the sleeve, and the receiving pits are located on the upper end surface of the rigid holding ring. The rocker rods are inserted into the receiving pits one by one. The rocker rod relaxation structure includes a seesaw rod hinged in the receiving pit through a hinge shaft and a pressing pin inserted into the outer wall of the receiving pit and abutting against one end of the seesaw rod. One end of the pressing spring presses on the other end of the seesaw rod and the other end is connected to the inner surface of the outer wall of the receiving pit. The rocker rod overlaps the side of the outer wall of the seesaw rod facing the receiving pit. When in use, all the pressing pins are held, and the pressing pins retract to drive the seesaw rod to swing and overcome the elastic force of the pressing spring, thereby driving the rocker rod to swing in the direction of release. When the pressing effect on the pressing pin is lost, the seesaw rod is reset under the action of the pressing spring, and the rocker rod is reset.

10. A pile foundation acoustic detection pipe protection method according to claim 9, characterized in that: It also includes an elastic holding ring sleeved on the rigid holding ring, and the outer end of the pressing pin is connected to the inner circumference of the elastic holding ring; when in use, the elastic holding ring is held to drive the pressing pin.

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