CN114045832B - Buried depth indicating device of cast-in-place pile guide pipe and construction method thereof - Google Patents
Buried depth indicating device of cast-in-place pile guide pipe and construction method thereof Download PDFInfo
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- CN114045832B CN114045832B CN202111345624.3A CN202111345624A CN114045832B CN 114045832 B CN114045832 B CN 114045832B CN 202111345624 A CN202111345624 A CN 202111345624A CN 114045832 B CN114045832 B CN 114045832B
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- pipe
- pipe joint
- guide pipe
- casing
- support ring
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
Abstract
The invention relates to a buried depth indicating device of a cast-in-place pile guide pipe and a construction method thereof, wherein the buried depth indicating device comprises the following steps: the guide pipe is arranged on the frame body and is partially inserted into the protective cylinder; the electronic tag is fixed on the side wall of each pipe joint so as to record the length and the number of the corresponding pipe joint; a receiver for identifying the electronic tag of the pipe joint with part exposed out of the casing; the processor is in communication connection with the receiver and is used for calculating the burial depth of the bottom end of the guide pipe according to the length of the pipe joint, the number of the pipe joint and the distance from the concrete liquid level to the top of the pile casing; and the display screen is in communication connection with the processor and is arranged on the ground around the casing. The invention effectively solves the problem that the extraction length of the guide pipe is difficult to control, and guides constructors to extract the corresponding number of pipe joints through the burial depth indicating device, so that the guide pipe is extracted by the corresponding length, the bottom surface of the guide pipe is prevented from extracting a concrete surface, the influence of subjective factors is reduced, and the construction quality is ensured.
Description
Technical Field
The invention relates to the field of building construction, in particular to a buried depth indicating device of a cast-in-place pile guide pipe and a construction method thereof.
Background
In the pile foundation concrete construction process, the concrete pipe is usually formed by splicing a plurality of pipe joints, namely the length of the whole pipe is determined by the number of the pipe joints and the length of a single pipe, when the pile foundation concrete is poured, the pipe needs to be continuously pulled out to prevent pipe blockage, and meanwhile, the burial depth of the bottom of the pipe in the concrete also needs to be ensured to be 2-6 m.
At present, the quantity of pipe joints extracted is mainly obtained through the oral calculations and experiences of construction workers and managers on site, the influence of subjective factors is large, and the condition that the concrete surface is extracted from the bottom surface of a guide pipe often occurs, so that pile foundation breakage is caused, and the construction quality of the pile foundation is seriously threatened.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a buried depth indicating device of a cast-in-place pile guide pipe and a construction method thereof, which solve the problem that the length of the guide pipe which is pulled out is difficult to control.
The technical scheme for realizing the purpose is as follows:
the invention provides a buried depth indicating device of a cast-in-place pile guide pipe, wherein the guide pipe is formed by splicing a plurality of pipe sections, and the buried depth indicating device comprises:
the guide pipe is arranged on the frame body, and part of the guide pipe is inserted into the protective cylinder;
the electronic tag is fixed on the side wall of each pipe joint so as to record the length and the number of the corresponding pipe joint;
a receiver for identifying the electronic tag of the pipe joint with part exposed out of the casing;
the processor is in communication connection with the receiver and is used for calculating the burial depth of the bottom end of the guide pipe according to the length of the pipe joint, the number of the pipe joint and the distance from the concrete liquid level to the top of the pile casing; and
and the display screen is in communication connection with the processor and is arranged on the ground around the casing.
The invention adopts the buried depth indicating device of the cast-in-place pile guide pipe, reads the length and the number of the pipe joint corresponding to the electronic tag through the receiver, and calculates the buried depth of the bottom end of the guide pipe by combining the distance from the concrete liquid level to the top of the pile casing and the initial distance between the bottom end of the guide pipe and the top of the pile casing, so as to judge whether the pipe joint needs to be pulled out or not according to the buried depth of the bottom end of the guide pipe and the length of the identified pipe joint, thereby solving the problem that the pulled-out length of the guide pipe is difficult to control.
The buried depth indicating device of the cast-in-place pile guide pipe is further improved in that a support ring is fixedly arranged at a position, away from the top end by a set distance, of the side part of the pipe joint, and an electronic tag is positioned between the top of the pipe joint and the support ring;
the buried depth indicating device is still including offering in the support body and connecting in the top surface of support body and part to a plurality of cardboards of the protruding stretch in the through-hole with support ring assorted through-hole and rotation, through the rebound tube coupling for the support ring pushes away and supports the cardboard and upwards rotate, thereby the support ring can pass through-hole and cardboard, and then the tube coupling moves down, makes the support ring push away and supports the cardboard and rotate downwards, thereby the protruding portion of a plurality of cardboards blocks the support ring.
The buried depth indicating device of the cast-in-place pile guide pipe is further improved by comprising a plurality of ribbed plates which are fixedly connected between the top of the support ring and the side wall of the pipe joint and have right-angled triangle sections.
The buried depth indicating device for the cast-in-place pile guide pipe is further improved in that the buried depth indicating device further comprises a pressure sensor which corresponds to the clamping plate and is arranged around the through hole, the pressure sensor is in control connection with the receiver, and the support ring is clamped through the protruding part of the clamping plate, so that the clamping plate exerts pressure on the pressure sensor, and the pressure sensor triggers the receiver to start and identify the electronic tag.
The buried depth indicating device for the cast-in-place pile guide pipe is further improved in that the frame body comprises two fixing strips which are oppositely arranged on two sides of the pile casing, a platform plate which is erected between the two fixing strips and two fixing rods which are fixedly connected to two opposite sides of the platform plate and are perpendicular to the fixing strips, the platform plate is provided with a through hole, and the clamping plate is rotatably connected to the top surface of the platform plate.
The buried depth indicating device for the cast-in-place pile guide pipe is further improved in that the buried depth indicating device further comprises a protective cover and a pressing strip, wherein the protective cover covers the electronic tag and is fixedly arranged on the side wall of the pipe joint, the pressing strip is attached to the surface of the protective cover and is fixedly connected with the side wall of the pipe joint, and the protective cover is clamped between the side wall of the pipe joint and the pressing strip.
The invention provides a construction method of a buried depth indicating device of a cast-in-place pile guide pipe, which comprises the following steps:
providing a burial depth indicating device, numbering the pipe joints from top to bottom in sequence, recording the serial numbers and the lengths of the pipe joints on corresponding electronic tags, inserting the guide pipe into the protecting cylinder and installing the guide pipe on the frame body, and recording the initial distance H between the bottom of the guide pipe and the top of the protecting cylinder 0 ；
Pouring concrete into the pile casing through the guide pipe, and measuring the distance S between the liquid level of the concrete and the top of the pile casing;
identifying the electronic tag of the pipe joint with the part exposed out of the protective sleeve by using a receiver to obtain the length L and the number of the pipe joint;
utilizing a processor to code the pipe joints, the length L of the pipe joints and the initial distance H 0 And calculating the distance S to obtain the burial depth D of the bottom end of the conduit, and displaying the burial depth D by using a display screen.
The construction method of the buried depth indicating device of the cast-in-place pile guide pipe is further improved in that the buried depth indicating device further comprises a support ring arranged on the side part of the pipe joint, a through hole which is arranged on the frame body and matched with the support ring, and a plurality of clamping plates which are rotatably connected to the top surface of the frame body and partially protrude into the through hole, wherein the electronic tag is positioned between the end part of the pipe joint and the support ring, and the support ring and the top end of the pipe joint have a set distance;
the pipe is upwards lifted, so that the support ring pushes the clamping plates to upwards rotate, the support ring can pass through the through holes and further loosen the pipe, the pipe downwards moves due to self gravity, the support ring pushes the clamping plates to downwards rotate, the support ring is clamped by the protruding parts of the clamping plates, and the corresponding electronic tag is exposed out of the protective sleeve.
The construction method of the buried depth indicating device of the cast-in-place pile guide pipe is further improved in that the buried depth indicating device further comprises a pressure sensor which corresponds to the clamping plate and is arranged around the through hole, and the pressure sensor is in control connection with the receiver;
the support ring is clamped by the protruding part of the clamping plate, so that the clamping plate exerts pressure on the pressure sensor, and the pressure sensor triggers the receiver to start and identify the electronic tag.
The construction method of the buried depth indicating device of the cast-in-place pile guide pipe is further improved in that when the buried depth D of the bottom end of the guide pipe is calculated, the method further comprises the following steps:
wherein D isDepth of burial of the bottom end of the conduit, H 0 Is the initial distance between the bottom of the conduit and the top of the casing, L i The length of the ith pipe joint is determined, n is the number of the pipe joint identified by the receiver and is a positive integer, S is the distance from the concrete liquid level to the top of the casing, and L is the distance from the concrete liquid level to the top of the casing 0 Is 0.
Drawings
Fig. 1 is an overall perspective view of a burial depth indicating device of a cast-in-place pile guide pipe according to the present invention.
Fig. 2 is an enlarged view of a frame body portion of the burial depth indicating device of the cast-in-place pile guide tube of the present invention.
Fig. 3 is an enlarged schematic view of a pipe section portion in the burial depth indicating device of the cast-in-place pile guide pipe according to the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
The invention adopts the buried depth indicating device of the cast-in-place pile guide pipe, reads the length and the number of the pipe joint corresponding to the electronic tag through the receiver, and calculates the buried depth of the bottom end of the guide pipe by combining the distance from the concrete liquid level to the top of the pile casing and the initial distance between the bottom end of the guide pipe and the top of the pile casing, so as to judge whether the pipe joint needs to be pulled out or not according to the buried depth of the bottom end of the guide pipe and the length of the identified pipe joint, thereby solving the problem that the pulled-out length of the guide pipe is difficult to control. The following describes the burial depth indicating device of the cast-in-place pile guide pipe according to the present invention with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is an overall perspective view of a burial depth indicating device of a cast-in-place pile guide pipe according to the present invention. The following describes the burial depth indicating device of the cast-in-place pile guide pipe according to the present invention with reference to fig. 1.
As shown in fig. 1, the burial depth indicating device of the cast-in-place pile conduit of the present invention is formed by splicing a plurality of pipe sections 21, and comprises:
a frame body 11 arranged on the ground around the casing 22, wherein the guide pipe is arranged on the frame body 11 and is partially inserted into the casing 22;
an electronic tag 12 fixed to the side wall of each pipe section 21 to record the length and number of the corresponding pipe section 21;
a receiver 13 mounted on the frame body 11 and used for identifying the electronic tag 12 with the pipe joint 21 with a part exposed out of the casing 22;
a processor 14 connected with the receiver 13 in a communication way, so as to calculate the burial depth of the bottom end of the conduit according to the length of the pipe joint 21, the number of the pipe joint 21 and the distance from the concrete level to the top of the casing 22; and
a display screen 16 communicatively coupled to the processor 14 and mounted to the floor surrounding the casing 22.
Specifically, the electronic device further comprises a protective cover 121 covering the electronic tag 12 and fixedly arranged on the side wall of the pipe joint, and a pressing strip 122 attached to the surface of the protective cover 121 and fixedly connected with the side wall of the pipe joint 21, wherein the protective cover 121 is clamped between the side wall of the pipe joint 21 and the pressing strip 122.
Preferably, the electronic tag 12 is an RFID tag and the receiver 13 is an RFID identifier.
As a preferred embodiment of the present invention, referring to fig. 2 and 3, a support ring 15 is fixedly disposed at a position on the side of the pipe joint 21 away from the top end by a predetermined distance, and the electronic tag 12 is located between the top of the pipe joint 21 and the support ring 15;
the burial depth indicating device further comprises a plurality of clamping plates 1122 which are arranged on the frame body 11, are connected with the through holes 1121 of the support ring 15 in a rotating mode, are connected to the top surface of the frame body 11 and partially protrude into the through holes 1121, the support ring 15 pushes the clamping plates 1122 to rotate upwards through upwards moving the pipe joints 21, the support ring 15 can pass through the through holes 1121 and the clamping plates 1122, the pipe joints 21 are moved downwards, the support ring 15 pushes the clamping plates 1122 to rotate downwards, protruding parts of the clamping plates 1122 clamp the support ring 15, and accordingly the guide pipe is fixed.
Specifically, the pipe joint further comprises a plurality of ribs 151 which are fixedly connected between the top of the support ring 15 and the side wall of the pipe joint 21 and have right-angled triangle sections.
Further, a pressure sensor 1123 corresponding to the card 1122 and installed around the through hole 1121 is further included, the pressure sensor 1123 is in control connection with the receiver 13, the support ring 15 is clamped by the protruding portion of the card 1122, so that the card 1122 applies pressure to the pressure sensor 1123, and the pressure sensor 1123 triggers the receiver 13 to activate and identify the electronic tag 12.
Specifically, the frame body 11 includes two fixing bars 111 disposed on two sides of the casing 22, a platform plate 112 disposed between the two fixing bars 111, and two fixing bars 113 fixedly connected to two opposite sides of the platform plate 112 and perpendicular to the fixing bars 111, the platform plate 112 has a through hole 1121, and the clamping plate 1122 is rotatably connected to the top surface of the platform plate 112.
The specific construction method of the invention is as follows:
the guide pipe is formed by splicing a plurality of pipe joints 21, the pipe joints 21 are connected through threads, the pipe joints 21 are numbered sequentially from top to bottom, for example, n pipe joints are taken as an example, the length of each pipe joint 21 can be the same or different, the distance between the support ring 15 of each pipe joint 21 and the top end of the corresponding pipe joint 21 is equal, and the electronic tag 12 is fixed between the support ring 15 and the top end of each pipe joint 21 so as to record the number and the length of the pipe joint 21;
the guide tube is inserted into the through hole 1121 at the top of the frame body 11 to be partially inserted into the casing 22, and the initial distance H between the bottom end of the guide tube and the top of the casing 22 at this time is recorded 0 When the electronic tag 12 of the first pipe joint 21 is exposed out of the top of the casing 22, and the supporting ring 15 is placed on the top of the clamping plate 1122 to apply pressure to the pressure sensor 1123, so as to trigger the receiver 13 to identify the electronic tag 12, thereby acquiring the number and the length of the pipe joint 21;
pouring concrete into the casing 22 through the guide pipe, recording the distance S from the concrete liquid level to the top of the casing 22, and at the moment, not pulling out the pipe joint 21 upwards, so that the burial depth of the bottom end of the guide pipe is D = H 0 S, the display screen 16 displays the burial depth D, the processor 14 can be used for judging whether the burial depth is within a set range, the set range is generally 2-6 m, the processor 14 can be used for comparing the length of the D-2 with that of the first pipe joint 21, and if the D-2 is larger than the length of the pipe joint 21, the guide pipe can be lifted upwards to remove the pipe joint 21, namely the first pipe joint is removed, so that the buried depth D is detectedIf D-2 is less than or equal to the length of the pipe joint 21, the pipe joint 21 is not removed, concrete is continuously poured, and the operation result of whether the pipe joint 21 can be removed or not can be displayed through the display screen 16;
if the first pipe joint is removed, the guide pipe is lifted upwards by using a crane, the support ring 15 of the second pipe joint pushes the clamping plate 1122 upwards to rotate, so that the support ring 15 of the second pipe joint can pass through the through hole 1121, the first pipe joint is removed and the guide pipe is loosened, the guide pipe moves downwards under the action of self weight, the support ring 15 pushes the clamping plate 1122 downwards to rotate, the clamping plate 112 of the frame body 11 prevents the clamping plate 1122 from continuing to rotate downwards, the clamping plate 1122 can push against the support ring 15, so that the second pipe joint is prevented from falling, pressure is applied to the pressure sensor 1123 due to the downward rotation of the clamping plate 1122, and the receiver 13 is triggered to identify the corresponding electronic tag 12 to acquire the number and the length of the second pipe joint, at this time, the burial depth D = H of the bottom end of the guide pipe 0 -S-L 1 Because the second pipe joint is not pulled out, the length of the first pipe joint is only subtracted, and the distances between the support ring 15 and the top end of the pipe joint 21 are equal, the length of the exposed part of the pipe joint can be not considered when the buried depth is calculated, and the lengths of the D-2 pipe joint and the second pipe joint are compared, so that whether the second pipe joint needs to be dismantled is judged;
and circulating the steps until the cast-in-place pile is formed by pouring.
The invention also provides a construction method of the buried depth indicating device of the cast-in-place pile guide pipe, which comprises the following steps:
providing a burial depth indicating device, numbering the pipe joints 21 from top to bottom in sequence, recording the numbering and the length of the pipe joints 21 on the corresponding electronic tags 12, inserting the conduit into the protecting cylinder 22 and installing the conduit on the frame body 11, and recording the initial distance H between the bottom of the conduit and the top of the protecting cylinder 22 0 ；
Pouring concrete into the pile casing 22 through a guide pipe, and measuring the distance S between the liquid level of the concrete and the top of the pile casing 22;
identifying the electronic tag 12 of the pipe joint 21 with part exposed out of the casing by using the receiver 13 to obtain the length L and the number of the pipe joint 21;
using processor 14 based on the number of pipe joints 21, length L of pipe joints 21, and initial distance H 0 And the distance S to calculate the burial depth D of the bottom end of the catheter, and to display the burial depth D using the display screen 16.
Further, the electronic tag comprises a support ring 15 arranged on the side of the pipe joint 21, a through hole 1121 arranged on the frame body 11 and matched with the support ring 15, and a plurality of clamping plates 1122 rotatably connected to the top surface of the frame body 11 and partially protruding into the through hole 1121, wherein the electronic tag 12 is located between the end of the pipe joint 21 and the support ring 15, and a set distance is reserved between the support ring 15 and the top end of the pipe joint 21;
the guide tube is lifted upwards, so that the support ring 15 pushes the clamping plate 1122 to rotate upwards, so that the support ring 15 can pass through the through hole 1121, and further loosen the guide tube, the guide tube moves downwards under the action of self gravity, so that the support ring 15 pushes the clamping plate 1122 to rotate downwards, so that the protruding parts of the clamping plates 1122 clamp the support ring 15, and the corresponding electronic tags 12 are exposed out of the protection sleeve 22.
Specifically, the pressure sensor 1123 is arranged around the through hole 1121 and corresponds to the card board 1122, and the pressure sensor 1123 is in control connection with the receiver 13;
the support ring 15 is caught by the protruding portion of the card 1122 so that the card 1122 applies pressure to the pressure sensor 1123, and the pressure sensor 1123 triggers the receiver 13 to activate and identify the electronic tag 12.
Further, when calculating the burial depth D of the bottom end of the conduit, the method further includes:
wherein D is the buried depth of the bottom end of the conduit, H 0 Is the initial distance between the bottom of the conduit and the top of the casing, L i The length of the ith pipe joint is determined, n is the number of the pipe joint identified by the receiver and is a positive integer, S is the distance from the concrete liquid level to the top of the casing, and L is the distance from the concrete liquid level to the top of the casing 0 Is 0.
In particular, the initial distance H between the bottom of the recording conduit and the top of the casing 0 When, still include:
H 0 ＝L general assembly -a-b
Wherein H 0 Is the initial distance between the bottom of the conduit and the top of the casing, L General assembly The total length of the conduit (which is typically measured after splicing) is given, a is the distance from the support ring to the top of the pipe section (i.e., the set distance), and b is the thickness of the clamping plate.
The concrete operation mode of the construction method provided by the invention is as follows:
the guide pipe is formed by splicing a plurality of pipe joints 21, the pipe joints 21 are connected through threads, the pipe joints 21 are numbered sequentially from top to bottom, for example, n pipe joints are taken as an example, the length of each pipe joint 21 can be the same or different, the distance between the support ring 15 of each pipe joint 21 and the top end of the corresponding pipe joint 21 is equal, and the electronic tag 12 is fixed between the support ring 15 and the top end of each pipe joint 21 so as to record the number and the length of the pipe joint 21;
the conduit is inserted into the through hole 1121 at the top of the frame body 11 to be partially inserted into the casing 22, and the initial distance H between the bottom end of the conduit and the top of the casing 22 at this time is recorded 0 When the electronic tag 12 of the first pipe joint 21 is exposed out of the top of the casing 22, and the supporting ring 15 is placed on the top of the clamping plate 1122 to apply pressure to the pressure sensor 1123, so as to trigger the receiver 13 to identify the electronic tag 12, thereby acquiring the number and the length of the pipe joint 21;
pouring concrete into the casing 22 through the guide pipe, recording the distance S from the concrete liquid level to the top of the casing 22, and at the moment, not pulling out the pipe joint 21 upwards, so that the burial depth of the bottom end of the guide pipe is D = H 0 S, the display screen 16 displays the burial depth D, the processor 14 can be used for judging whether the burial depth is within a set range, the set range is generally 2-6 m, the processor 14 can be used for comparing the length of D-2 with that of the first pipe joint 21, if D-2 is larger than the length of the pipe joint 21, the conduit can be lifted upwards to remove the pipe joint 21, namely, the first pipe joint is removed, so that the second pipe joint is fixed on the frame body 11 and is partially exposed, and if D-2 is smaller than or equal to the length of the pipe joint 21, the pipe joint 21 is not removed, concrete is continuously poured, and whether the concrete can be poured or notThe operation result of removing the pipe joint 21 can also be displayed by the display screen 16;
if the first pipe joint is removed, the guide pipe is lifted upwards by using a crane, the support ring 15 of the second pipe joint pushes the clamping plate 1122 upwards to rotate, so that the support ring 15 of the second pipe joint can pass through the through hole 1121, the first pipe joint is removed and the guide pipe is loosened, the guide pipe moves downwards under the action of self weight, the support ring 15 pushes the clamping plate 1122 downwards to rotate, the clamping plate 112 of the frame body 11 prevents the clamping plate 1122 from continuing to rotate downwards, the clamping plate 1122 can push against the support ring 15, so that the second pipe joint is prevented from falling, pressure is applied to the pressure sensor 1123 due to the downward rotation of the clamping plate 1122, and the receiver 13 is triggered to identify the corresponding electronic tag 12 to acquire the number and the length of the second pipe joint, at this time, the burial depth D = H of the bottom end of the guide pipe 0 -S-L 1 Because the distances between the support ring 15 and the top ends of the pipe joints 21 are equal, the lengths of the exposed parts of the pipe joints are not considered when calculating the burial depth, and the lengths of the D-2 and the second pipe joint are compared, so that whether the second pipe joint needs to be dismantled or not is judged;
and circulating the steps until the cast-in-place pile is formed by pouring.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (6)
1. The utility model provides a buried depth indicating device of bored concrete pile pipe, the pipe is formed by a plurality of tube coupling concatenations, its characterized in that, buried depth indicating device includes:
the guide pipe is arranged on the frame body and is partially inserted into the protective cylinder;
the electronic tag is fixed on the side wall of each pipe joint so as to record the length and the number of the corresponding pipe joint, a support ring is fixedly arranged at the position, which is on the side part of each pipe joint and has the same distance with the top end, of the pipe joint, and the electronic tag is positioned between the top of the pipe joint and the support ring;
the through hole is formed in the frame body and matched with the support ring;
the clamping plates are rotatably connected to the top surface of the frame body, and part of the clamping plates protrude into the through holes, the support ring pushes the clamping plates to rotate upwards by moving the pipe joints upwards, so that the support ring can pass through the through holes and further loosen the guide pipe, the guide pipe moves downwards under the action of self gravity, the support ring pushes the clamping plates to rotate downwards, the support ring is clamped by the protruding parts of the clamping plates, and the corresponding electronic tags are exposed out of the protective sleeve;
the receiver is arranged on the frame body and used for identifying the electronic tag of the pipe joint with a part exposed out of the protective sleeve;
the pressure sensor corresponds to the clamping plate and is arranged around the through hole, the pressure sensor is in control connection with the receiver, and the support ring is clamped through the protruding part of the clamping plate, so that the clamping plate generates pressure on the pressure sensor, and the pressure sensor triggers the receiver to start and identify the electronic tag;
the processor is in communication connection with the receiver and is used for calculating the burial depth of the bottom end of the guide pipe according to the length of the pipe joint, the serial number of the pipe joint and the distance from the concrete level to the top of the pile casing; and
and the display screen is in communication connection with the processor and is installed on the ground around the casing.
2. The apparatus for indicating a burial depth of a cast-in-place pile guide of claim 1, further comprising a plurality of ribs having a right-angled triangular cross-section and fixedly coupled between the top of the support ring and the side wall of the pipe section.
3. The apparatus according to claim 1, wherein the frame body comprises two fixing bars disposed at opposite sides of the casing, a platform plate disposed between the two fixing bars, and two fixing bars fixedly connected to opposite sides of the platform plate and perpendicular to the fixing bars, the platform plate is provided with the through hole, and the clamping plate is rotatably connected to a top surface of the platform plate.
4. The apparatus according to claim 1, further comprising a protective cover covering the electronic tag and fixedly attached to the sidewall of the pipe section, and a pressing strip attached to a surface of the protective cover and fixedly attached to the sidewall of the pipe section, wherein the protective cover is sandwiched between the sidewall of the pipe section and the pressing strip.
5. A construction method using the burial depth indicating device of the cast-in-place pile guide pipe of claim 1, comprising the steps of:
providing the burial depth indicating device, sequentially from top to bottom, numbering the pipe joints, recording the numbering and the length of the pipe joints on the corresponding electronic tags, inserting the conduit into the protecting cylinder and installing the conduit into the frame body and recording the initial distance H between the bottom of the conduit and the top of the protecting cylinder 0 ；
Pouring concrete into the pile casing through the guide pipe, and measuring the distance S between the liquid level of the concrete and the top of the pile casing;
exposing an electronic tag of a pipe joint of the casing by using the receiver identification part to acquire the length L and the number of the pipe joint;
utilizing the processor to calculate the number of the pipe joint, the length L of the pipe joint and the initial distance H 0 And calculating the distance S to obtain the buried depth D of the bottom end of the conduit, and displaying the buried depth D by using the display screen.
6. The method for constructing a buried depth indicating device for a cast-in-place pile guide pipe according to claim 5, wherein the step of calculating the buried depth D of the bottom end of the guide pipe further comprises:
wherein D is the buried depth of the bottom end of the conduit, H 0 Is the initial distance between the bottom of the conduit and the top of the casing, L i The length of the ith pipe joint is determined, n is the number of the pipe joint identified by the receiver and is a positive integer, S is the distance from the concrete liquid level to the top of the casing, and L is the distance from the concrete liquid level to the top of the casing 0 Is 0.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111345624.3A CN114045832B (en) | 2021-11-15 | 2021-11-15 | Buried depth indicating device of cast-in-place pile guide pipe and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111345624.3A CN114045832B (en) | 2021-11-15 | 2021-11-15 | Buried depth indicating device of cast-in-place pile guide pipe and construction method thereof |
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| CN114045832A CN114045832A (en) | 2022-02-15 |
| CN114045832B true CN114045832B (en) | 2023-04-07 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111042114A (en) * | 2019-12-19 | 2020-04-21 | 中铁十二局集团有限公司 | Pile foundation intelligent filling device and construction method |
| CN112942453A (en) * | 2021-03-19 | 2021-06-11 | 中国十九冶集团有限公司 | Intelligent monitoring equipment for lifting height of guide pipe in pouring process of rotary excavating cast-in-place pile |
| CN213867956U (en) * | 2020-09-23 | 2021-08-03 | 石家庄铁道大学 | Cast-in-place pile concrete guide pipe embedding depth indicating device |
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| CN204040081U (en) * | 2014-08-11 | 2014-12-24 | 浙江水利水电学院 | Cast-in-place pile concrete conduit buried depth monitoring device |
| WO2016045588A2 (en) * | 2014-09-28 | 2016-03-31 | 青岛厚科信息工程有限公司 | Radio frequency identification technology-based pipeline identification and real time depth measurement system |
| CN106013268A (en) * | 2016-06-21 | 2016-10-12 | 中国十七冶集团有限公司 | Depth tester for guide pipe in underwater concreting |
| CN110552344A (en) * | 2018-06-01 | 2019-12-10 | 北京新桥技术发展有限公司 | Automatic control device for lifting height of guide pipe in pouring process of cast-in-place pile |
| CN111042114A (en) * | 2019-12-19 | 2020-04-21 | 中铁十二局集团有限公司 | Pile foundation intelligent filling device and construction method |
| CN213867956U (en) * | 2020-09-23 | 2021-08-03 | 石家庄铁道大学 | Cast-in-place pile concrete guide pipe embedding depth indicating device |
| CN112942453A (en) * | 2021-03-19 | 2021-06-11 | 中国十九冶集团有限公司 | Intelligent monitoring equipment for lifting height of guide pipe in pouring process of rotary excavating cast-in-place pile |
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| CN114045832A (en) | 2022-02-15 |
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