CN210775339U - Ultrasonic detection system for pile foundation - Google Patents
Ultrasonic detection system for pile foundation Download PDFInfo
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- CN210775339U CN210775339U CN201921627036.7U CN201921627036U CN210775339U CN 210775339 U CN210775339 U CN 210775339U CN 201921627036 U CN201921627036 U CN 201921627036U CN 210775339 U CN210775339 U CN 210775339U
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Abstract
The utility model discloses a pile foundation ultrasonic detection system, including hoisting device and ultrasonic detection device, hoisting device includes first fixed pulley mechanism, second fixed pulley mechanism, triangular support frame mechanism and winding mechanism, and ultrasonic detection device includes ultrasonic detection case, transmitting probe and receiving probe, the last fixed pulley that is provided with of triangular support frame mechanism, and winding mechanism includes first winding mechanism and second winding mechanism, the one end of transmission survey line through middle fixed pulley with first fixed pulley mechanism with put into the transmitting probe connection in the first pile foundation survey tube, the one end of receiving survey line through middle fixed pulley with second fixed pulley mechanism with put into the receiving probe connection in the second pile foundation survey tube. The utility model relates to a rationally, realize having improved detection precision and detection efficiency to the location and the even pulling of survey line to solve a great deal of drawback of traditional ultrasonic detection pile foundation integrality.
Description
Technical Field
The utility model belongs to the technical field of the pile foundation detects, especially, relate to a pile foundation ultrasonic detection system.
Background
Pile foundation detection is an important content in urban construction, and the integral stability of the foundation can be ensured through accurate pile foundation detection. The ultrasonic detection of the integrity of the pile foundation is the most common detection in industrial and civil engineering, the test precision is high, and the data is reasonable, so that the acceptance in the pile foundation detection is high, and the ultrasonic detection is widely adopted. However, the existing pile foundation ultrasonic detection system has the following problems:
firstly, the measuring line of the pile foundation site is usually pulled manually, and the measuring line is often greatly shaken when being pulled manually;
secondly, the speed of manually pulling the measuring line is slow, so that the probe cannot be ensured to rise at a constant speed in the acoustic measuring tube, the fluctuation of test data is large, and the whole detection result and subsequent analysis are greatly influenced;
thirdly, manual detection relies on the skill of the workers, which brings many difficulties to the detection work. Therefore, need to lack a simple structure, reasonable in design's pile foundation ultrasonic detection system now, solve a great deal of drawback of traditional ultrasonic detection pile foundation integrality, improved detection precision and detection efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed at, provide a pile foundation ultrasonic detection system, its simple structure, reasonable in design and with low costs realize having improved detection precision and detection efficiency to the location and the even pulling of survey line to solve a great deal of drawback of traditional ultrasonic detection pile foundation integrality, the practicality is strong.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a pile foundation ultrasonic detection system which characterized in that: the lifting device comprises a first fixed pulley mechanism, a second fixed pulley mechanism, a triangular support mechanism and a winding mechanism, wherein the first fixed pulley mechanism is arranged on a first pile foundation measuring pipe, the second fixed pulley mechanism is arranged on a second pile foundation measuring pipe, the ultrasonic detection device comprises an ultrasonic detection box, a transmitting probe and a receiving probe, the transmitting probe is placed in the first pile foundation measuring pipe, and the receiving probe is placed in the second pile foundation measuring pipe;
the triangular support mechanism is provided with a middle fixed pulley, the winding mechanism comprises a first winding mechanism and a second winding mechanism, the first winding mechanism comprises a first winding base, a first motor arranged on the first winding base and a first winding drum which is in transmission connection with the first motor and is used for winding a transmitting measuring line, the second winding mechanism comprises a second winding base, a second motor arranged on the second winding base and a second winding drum which is in transmission connection with the second motor and is used for winding a receiving measuring line, one end of the transmitting measuring line is connected with a transmitting probe placed in the first pile foundation measuring tube through the middle fixed pulley and the first fixed pulley mechanism, the other end of the transmitting measuring line is connected with the ultrasonic detection box through a transmitting line connecting line, one end of the receiving measuring line is connected with a receiving probe placed in the second pile foundation measuring tube through the middle fixed pulley and the second fixed pulley mechanism, the other end of the receiving measuring line is connected with the ultrasonic detection box through a receiving line connecting line.
The ultrasonic pile foundation detection system is characterized in that: the triangular support mechanism comprises a top plate and three support legs arranged at the bottom of the top plate, wherein the top of the top plate is provided with a pulley base for mounting a middle fixed pulley, and the three support legs are uniformly distributed along the circumferential direction of the top plate;
the supporting leg is characterized in that mounting grooves are uniformly distributed in the circumferential direction of the top plate, a rotating shaft is arranged in each mounting groove, the top ends of the supporting legs are sleeved on the rotating shaft, and fixing anchors are arranged at the bottom ends of the supporting legs.
The ultrasonic pile foundation detection system is characterized in that: a first electronic circuit board is arranged in the first winding base, a first controller and a first motor driver are integrated on the first electronic circuit board, and the first motor driver is connected with a first motor;
and a second electronic circuit board is arranged in the second winding base, a second controller and a second motor driver are integrated on the second electronic circuit board, and the second motor driver is connected with a second motor.
The ultrasonic pile foundation detection system is characterized in that: the bottom middle of the top plate is provided with a fixed rod, a supporting rod is arranged between the supporting leg and the fixed rod, a plurality of first cross connecting seats are arranged on the fixed rod along the circumferential direction, a second cross connecting seat is arranged on the supporting leg, one end of the supporting rod is hinged in the first cross connecting seat, and the other end of the supporting rod is hinged in the second cross connecting seat.
The ultrasonic pile foundation detection system is characterized in that: first fixed pulley mechanism includes first base and the first fixed pulley of setting on first base, second fixed pulley mechanism includes the second base and sets up the second fixed pulley on the second base, the one end of transmission survey line is connected with the transmitting probe who puts into first pile foundation survey intraductal through middle fixed pulley and first fixed pulley, the one end of receiving survey line is connected with the receiving probe who puts into the second pile foundation survey intraductal through middle fixed pulley and second fixed pulley, stretches into the center coincidence of the transmission survey line and the first pile foundation survey pipe in first pile foundation survey pipe, stretches into the center coincidence of the receiving survey line and the second pile foundation survey pipe in the second pile foundation survey pipe.
The ultrasonic pile foundation detection system is characterized in that: the first pile foundation measuring pipe is provided with a first upper cover plate, the second pile foundation measuring pipe is provided with a second upper cover plate, the first base is fixed on the first upper cover plate, and the second base is fixed on the second upper cover plate;
the first upper cover plate and the first base are provided with first via holes for the transmission measuring line to pass through, and the second upper cover plate and the second base are provided with second via holes for the reception measuring line to pass through.
The ultrasonic pile foundation detection system is characterized in that: the output shaft of the first motor is in transmission connection with a first intermediate shaft for mounting a first reel, the output shaft of the second motor is in rotation connection with a second intermediate shaft for mounting a second reel, a first rotary conductive sliding ring is sleeved on the first intermediate shaft, a second rotary conductive sliding ring is sleeved on the second intermediate shaft, the rotor wire end of the first rotary conductive sliding ring is connected with the other end of the emission measuring wire, the stator wire end of the first rotary conductive sliding ring is connected with one end of the emission wire connecting wire, and the other end of the emission wire connecting wire is connected with the ultrasonic detection box; and the rotor wire end of the second rotary conductive slip ring is connected with the other end of the receiving measuring wire, the stator wire end of the second rotary conductive slip ring is connected with one end of the receiving wire connecting wire, and the other end of the receiving wire connecting wire is connected with the ultrasonic detection box.
Compared with the prior art, the utility model has the following advantage:
1. the utility model has the advantages of simple structure and reasonable design and the installation is laid portably.
2. The utility model discloses set up first fixed pulley mechanism, second fixed pulley mechanism and tripod mechanism, through first fixed pulley mechanism and tripod mechanism, realize the location to the transmission survey line, so that the transmission survey line can drive the transmitting probe along the center of first pile foundation survey pipe and remove along first pile foundation survey pipe direction of height, and simultaneously, through second fixed pulley mechanism and tripod mechanism, realize the location to receiving the survey line, so that the receiving survey line can drive the receiving probe along the center of second pile foundation survey pipe and remove along second pile foundation survey pipe direction of height, through the location of transmission survey line and receiving survey line, realize the location of transmitting probe and receiving probe.
3. The utility model is provided with a first winding mechanism and a second winding mechanism, the first winding mechanism winds a transmitting measuring line, and the transmitting measuring line drives a transmitting probe to move along the height direction of a first pile foundation measuring pipe; meanwhile, the second winding mechanism winds the receiving measuring line, the receiving measuring line drives the receiving probe to move along the height direction of the second pile foundation measuring pipe, the transmitting probe and the receiving probe synchronously move through uniform pulling of the transmitting measuring line and the receiving measuring line, and detection precision and detection efficiency are improved.
4. The utility model discloses set up ultrasonic detection device, transmitting probe and receiving probe among the ultrasonic detection device are through the direction of height removal along first pile foundation survey pipe and second pile foundation survey pipe, accomplish the detection of whole pile foundation, realize that the integrality of pile foundation detects.
To sum up, the utility model relates to a rationally and with low costs, realize having improved detection precision and detection efficiency to the location and the even pulling of survey line to solve a great deal of drawback of traditional ultrasonic detection pile foundation integrality, the practicality is strong.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic circuit block diagram of the first winding mechanism of the present invention.
Fig. 4 is a schematic circuit block diagram of the second winding mechanism of the present invention.
Fig. 5 is a schematic circuit diagram of the first motor driver and the first motor according to the present invention.
Fig. 6 is a schematic circuit diagram of the second motor driver and the second motor according to the present invention.
Description of reference numerals:
1 — a first base; 2, a first pile foundation measuring pipe; 2-1 — a first upper cover plate;
3-a first fixed pulley; 4-a second base; 5, measuring a pipe by a second pile foundation;
5-1-a second upper cover plate; 6-second fixed pulley;
7-middle fixed pulley; 8-a pulley base; 9-a tripod mechanism;
9-1 — top plate; 9-2-legs; 9-3-mounting groove;
9-4-rotating shaft; 9-5-fixing anchor; 9-6-fixed bar;
9-7-support bar; 9-8-first cross-connect seat; 9-a second cross-connect seat;
10-ultrasonic detection box; 10-1-a transmission probe;
10-2-a receiving probe; 11 — a first winding base; 12-a second winding base;
13-a second motor; 14-a first motor; 15 — a first reel;
15-1 — first countershaft; 16 — a second reel; 16-1 — second countershaft;
17-transmission line connection; 18-receive line connection;
19-emitting a measuring line; 20-receiving a measuring line; 21 — a first controller;
22 — a first motor drive; 23 — a second controller; 24 — a second motor drive;
25 — a first rotating conductive slip ring; 26 — a second rotating conductive slip ring.
Detailed Description
As shown in fig. 1 and 2, the utility model discloses a lifting device and ultrasonic detection device, the lifting device includes first fixed pulley mechanism, second fixed pulley mechanism, triangular support mechanism 9 and winding mechanism, first fixed pulley mechanism sets up on first pile foundation survey pipe 2, second fixed pulley mechanism sets up on second pile foundation survey pipe 5, ultrasonic detection device includes ultrasonic detection case 10, transmitting probe 10-1 and receiving probe 10-2, transmitting probe 10-1 puts into first pile foundation survey pipe 2, receiving probe 10-2 puts into second pile foundation survey pipe 5;
the triangular support mechanism 9 is provided with a middle fixed pulley 7, the winding mechanism comprises a first winding mechanism and a second winding mechanism, the first winding mechanism comprises a first winding base 11, a first motor 14 arranged on the first winding base 11 and a first winding drum 15 which is in transmission connection with the first motor 14 and is used for winding a transmitting measuring line 19, the second winding mechanism comprises a second winding base 12, a second motor 13 arranged on the second winding base 12 and a second winding drum 16 which is in transmission connection with the second motor 13 and is used for winding a receiving measuring line 20, one end of the transmitting measuring line 19 is connected with a transmitting probe 10-1 placed in the first pile foundation measuring pipe 2 through the middle fixed pulley 7 and the first fixed pulley mechanism, the other end of the transmitting measuring line 19 is connected with the ultrasonic detection box 10 through a transmitting line connecting line 17, and one end of the receiving measuring line 20 is connected with a transmitting probe 10-1 placed in the second pile foundation measuring pipe 5 through the middle fixed pulley 7 and the second fixed pulley mechanism The receiving probe 10-2 is connected, and the other end of the receiving measuring line 20 is connected with the ultrasonic detection box 10 through a receiving line connecting line 18.
As shown in fig. 2, in this embodiment, the triangular support mechanism 9 includes a top plate 9-1 and support legs 9-2 disposed at the bottom of the top plate 9-1, a pulley base 8 for mounting the middle fixed pulley 7 is disposed at the top of the top plate 9-1, the number of the support legs 9-2 is three, and the three support leg mechanisms are uniformly distributed along the circumferential direction of the top plate 9-1;
mounting grooves 9-3 are uniformly distributed in the circumferential direction of the top plate 9-1, a rotating shaft 9-4 is arranged in the mounting grooves 9-3, the top ends of the supporting legs 9-2 are sleeved on the rotating shaft 9-4, and fixing anchors 9-5 are arranged at the bottom ends of the supporting legs 9-2.
As shown in fig. 3 and 4, in this embodiment, a first electronic circuit board is disposed in the first winding base 11, a first controller 21 and a first motor driver 22 are integrated on the first electronic circuit board, and the first motor driver 22 is connected to the first motor 14;
a second electronic circuit board is arranged in the second winding base 12, a second controller 23 and a second motor driver 24 are integrated on the second electronic circuit board, and the second motor driver 24 is connected with the second motor 13.
As shown in fig. 1, in this embodiment, a fixing rod 9-6 is disposed in the middle of the bottom of the top plate 9-1, a supporting rod 9-7 is disposed between the supporting leg 9-2 and the fixing rod 9-6, a plurality of first cross seats 9-8 are disposed on the fixing rod 9-6 along the circumferential direction, a second cross seat 9-9 is disposed on the supporting leg 9-2, one end of the supporting rod 9-7 is hinged in the first cross seat 9-8, and the other end of the supporting rod 9-7 is hinged in the second cross seat 9-9.
As shown in fig. 1, in this embodiment, the first fixed pulley mechanism includes a first base 1 and a first fixed pulley 3 disposed on the first base 1, the second fixed pulley mechanism includes a second base 4 and a second fixed pulley 6 disposed on the second base 4, one end of the launch measurement line 19 is connected to the launch probe 10-1 placed in the first pile foundation measurement pipe 2 through the middle fixed pulley 7 and the first fixed pulley 3, one end of the receiving measurement line 20 is connected to the receiving probe 10-2 placed in the second pile foundation measurement pipe 5 through the middle fixed pulley 7 and the second fixed pulley 6, the launch measurement line 19 extending into the first pile foundation measurement pipe 2 coincides with the center of the first pile foundation measurement pipe 2, and the receiving measurement line 20 extending into the second pile foundation measurement pipe 5 coincides with the center of the second pile foundation measurement pipe 5.
In this embodiment, a first upper cover plate 2-1 is arranged on the first pile foundation measuring pipe 2, a second upper cover plate 5-1 is arranged on the second pile foundation measuring pipe 5, the first base 1 is fixed on the first upper cover plate 2-1, and the second base 4 is fixed on the second upper cover plate 5-1;
the first upper cover plate 2-1 and the first base 1 are provided with first through holes for the transmission measuring line 19 to pass through, and the second upper cover plate 5-1 and the second base 4 are provided with second through holes for the receiving measuring line 20 to pass through.
As shown in fig. 2, in this embodiment, an output shaft of the first motor 14 is connected to a first intermediate shaft 15-1 for mounting the first reel 15 in a transmission manner, an output shaft of the second motor 13 is connected to a second intermediate shaft 16-1 for mounting the second reel 16 in a rotation manner, the first intermediate shaft 15-1 is sleeved with a first rotating conductive slip ring 25, the second intermediate shaft 16-1 is sleeved with a second rotating conductive slip ring 26, a rotor lead end of the first rotating conductive slip ring 25 is connected to the other end of the emission measurement line 19, a stator lead end of the first rotating conductive slip ring 25 is connected to one end of the emission line connecting line 17, and the other end of the emission line connecting line 17 is connected to the ultrasonic detection box 10; the rotor wire end of the second rotating conductive slip ring 26 is connected with the other end of the receiving measuring wire 20, the stator wire end of the second rotating conductive slip ring 26 is connected with one end of a receiving wire connecting wire 18, and the other end of the receiving wire connecting wire 18 is connected with the ultrasonic detection box 10.
In this embodiment, the first controller 21 and the second controller 23 are both STC89C52 single-chip microcomputers.
As shown in fig. 5, in this embodiment, the first motor driver 22 includes a motor driver P10 with a model TB660, the first motor 14 is a motor M1 of a 57HS22, a PUL-pin of the motor driver P10 is connected to a P0.0 pin of the first controller 21 through a resistor R10, a DIR-pin of the motor driver P10 is connected to a P0.1 pin of the first controller 21 through a resistor R11, an ENA-pin of the motor driver P10 is connected to a P0.2 pin of the first controller 21 through a resistor R12, a PUL + pin, a DIR + pin, and an ENA + pin of the motor driver P10 are all connected to a 24V power output terminal, and an a + pin, an a-pin, a + pin, a-pin, and a-pin of the motor driver P10 are respectively connected to an a + pin, an a-pin, a + pin, a B + pin, and a pin of the motor M1.
In the embodiment, as shown in fig. 6, the second motor driver 24 includes a motor driver P20 with a model number TB660, the second motor 13 is a motor M2 of a 57HS22, a PUL-pin of the motor driver P20 is connected to a P0.0 pin of the second controller 23 through a resistor R20, a DIR-pin of the motor driver P20 is connected to a P0.1 pin of the second controller 23 through a resistor R21, an ENA-pin of the motor driver P20 is connected to a P0.2 pin of the second controller 23 through a resistor R22, a PUL + pin, a DIR + pin, and an ENA + pin of the motor driver P20 are all connected to a 24V power output terminal, and an a + pin, an a-pin, a + pin, a-pin, and a-pin of the motor driver P20 are respectively connected to an a + pin, an a-pin, a + pin, a B + pin, and a B-pin of the motor M2.
In this embodiment, the output shaft of the first motor 14 is rotationally connected to the first intermediate shaft 15-1 through a coupling, and the output shaft of the second motor 13 is rotationally connected to the second intermediate shaft 16-1 through a coupling.
In this embodiment, the first fixed pulley mechanism includes a first base 1 and a first fixed pulley 3 disposed on the first base 1, and the first base 1 is disposed to facilitate installation on the first upper cover plate 2-1, thereby implementing installation of the first fixed pulley mechanism; the first fixed pulley 3 is additionally arranged, so that the emission measuring line 19 can be conveniently positioned, and one end of the emission measuring line 19 can move along the center of the first pile foundation measuring pipe 2 in the process of pulling the emission measuring line 19; the second fixed pulley mechanism comprises a second base 4 and a second fixed pulley 6 arranged on the second base 4, and the second base 4 is arranged to be convenient to mount on the second upper cover plate 5-1, so that the mounting of the second fixed pulley mechanism is realized; the second fixed pulley 6 is additionally arranged, so that the receiving measuring line 20 can be conveniently positioned, and one end of the receiving measuring line 20 can move along the center of the second pile foundation measuring pipe 5 in the process of pulling the receiving measuring line 20; through first fixed pulley mechanism and second fixed pulley mechanism, realized the location of pile foundation survey oral area.
In this embodiment, the tripod mechanism 9 is provided to fix the intermediate fixed sheave 7 by anchoring the anchor 9-5 of the tripod mechanism 9 to the ground.
In this embodiment, the middle fixed pulley 7 is provided to position the middle of the transmitting measuring line 19 and the receiving measuring line 20, so that the first winding drum 15 can wind the transmitting measuring line 19 and the second winding drum 16 can wind the receiving measuring line 20.
In the embodiment, the first winding mechanism and the second winding mechanism are arranged, so that the transmitting measuring line 19 and the receiving measuring line 20 are driven to move synchronously, and on one hand, the large shaking caused by manually pulling the measuring lines is avoided; on the other hand, the condition that the test data fluctuation is large due to the fact that the pulling speed is not uniform is avoided, and then the condition that the skill of workers is not relied on is convenient for pile foundation detection.
In the present embodiment, the first rotating conductive slip ring 25 and the second rotating conductive slip ring 26 may be a rotary conductive slip ring of mobilon or a slip ring conductive slip ring of sendep.
In this embodiment, the first and second rotating conductive slip rings 25, 26 may also be referred to as rotatable wire joints or wire rotary joints, and the first and second rotating conductive slip rings 25, 26 further employ 2-way slip ring conductive slip rings.
In this embodiment, only one signal transmission of the slip ring is applied.
In the embodiment, in the actual installation process, the first rotating conductive slip ring 25 is sleeved on the first intermediate shaft 15-1 and is fixedly connected with the first intermediate shaft 15-1 by 4 screws; the second rotary conductive slip ring 26 is sleeved on the second intermediate shaft 16-1 and is fixedly connected with the second intermediate shaft 16-1 by 4 screws.
In this embodiment, in an actual installation process, a wire passing hole is formed in a baffle plate of the first reel 15, which is close to the first rotating conductive slip ring 25, so that the other end of the transmitting measuring wire 19 wound on the first reel 15 passes through the wire hole and a rotor wire end of the first rotating conductive slip ring 25; a wire passing hole is formed in a side baffle plate of the second winding drum 16 close to the second rotary conductive slip ring 26, so that the other end of the receiving measuring wire 20 wound on the second winding drum 16 passes through the wire passing hole and the rotor wire end of the second rotary conductive slip ring 26.
In this embodiment, it should be noted that the first rotating slip ring 25 and the second rotating slip ring 26 are required to accommodate 360 degrees of continuous rotation of the first reel 15 and the second reel 16 and to ensure that the transmission signal and the reception signal cannot be interrupted.
In this embodiment, it should be noted that the rotor wire end of the first rotating conductive slip ring 25 rotates with the first winding drum 15, the rotor wire end of the second rotating conductive slip ring 26 rotates with the second winding drum 16, and the stator wire end of the first rotating conductive slip ring 25 and the stator wire end of the second rotating conductive slip ring 26 are stationary.
In this embodiment, the ultrasonic detection device may be an intelligent Bo-Di ZBL-520 nonmetal ultrasonic detector.
When the utility model is used, the receiving probe 10-2 is placed at the bottom in the first pile foundation measuring pipe 2, the receiving probe 10-2 is placed at the bottom in the second pile foundation measuring pipe 5, the first motor 14 is controlled to rotate by a first controller 21 and a first motor driver 22, meanwhile, the second motor 13 is controlled to rotate by the second controller 23 and the second motor driver 24, the first reel 15 is driven to rotate by the rotation of the first motor 14, at the same time, the second motor 13 rotates to drive the second winding drum 16 to rotate, the first winding drum 15 rotates to wind the emission measuring line 19, so that one end of the emission measuring line 19 drives the emission probe 10-1 to move along the height direction of the first pile foundation measuring pipe 2, meanwhile, the second winding drum 16 rotates to wind the receiving measuring line 20, so that one end of the receiving measuring line 20 drives the receiving probe 10-2 to move along the height direction of the second pile foundation measuring pipe 5;
in the process that the transmitting probe 10-1 moves along the height direction of the first pile foundation measuring pipe 2 and the receiving probe 10-2 moves along the height direction of the second pile foundation measuring pipe 5, the ultrasonic detecting box 10 controls the transmitting probe 10-1 to transmit ultrasonic waves through the transmitting line connecting line 17 and the transmitting line 19, then the receiving probe 10-2 receives the ultrasonic waves transmitted by the transmitting probe 10-1 and sends the ultrasonic waves to the ultrasonic detecting box 10 through the receiving line connecting line 20 and the receiving line connecting line 18, the ultrasonic detecting box 10 obtains the time difference between the transmitting probe 10-1 transmitting the ultrasonic waves and the receiving probe 10-2 receiving the ultrasonic waves, obtains the propagation speed of the ultrasonic waves according to the distance between the first pile foundation measuring pipe 2 and the second pile foundation measuring pipe 5, and in the process that the transmitting probe 10-1 moves from the bottom to the top of the first pile foundation measuring pipe 2 and the receiving probe 10-2 moves from the second pile foundation measuring pipe 5 to the top, and when the detected propagation velocity of the ultrasonic wave accords with the set value of the propagation velocity of the ultrasonic wave, the integrity of the pile foundation meets the construction requirement.
To sum up, the utility model relates to a rationally and with low costs, realize having improved detection precision and detection efficiency to the location and the even pulling of survey line to solve a great deal of drawback of traditional ultrasonic detection pile foundation integrality, the practicality is strong.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (7)
1. The utility model provides a pile foundation ultrasonic detection system which characterized in that: the device comprises a lifting device and an ultrasonic detection device, wherein the lifting device comprises a first fixed pulley mechanism, a second fixed pulley mechanism, a triangular support mechanism (9) and a winding mechanism, the first fixed pulley mechanism is arranged on a first pile foundation measuring pipe (2), the second fixed pulley mechanism is arranged on a second pile foundation measuring pipe (5), the ultrasonic detection device comprises an ultrasonic detection box (10), a transmitting probe (10-1) and a receiving probe (10-2), the transmitting probe (10-1) is placed in the first pile foundation measuring pipe (2), and the receiving probe (10-2) is placed in the second pile foundation measuring pipe (5);
the triangular support mechanism (9) is provided with a middle fixed pulley (7), the winding mechanism comprises a first winding mechanism and a second winding mechanism, the first winding mechanism comprises a first winding base (11), a first motor (14) arranged on the first winding base (11) and a first winding drum (15) which is in transmission connection with the first motor (14) and is used for winding a transmitting measuring line (19), the second winding mechanism comprises a second winding base (12), a second motor (13) arranged on the second winding base (12) and a second winding drum (16) which is in transmission connection with the second motor (13) and is used for winding the receiving measuring line (20), one end of the transmitting measuring line (19) passes through the middle fixed pulley (7) and the first fixed pulley mechanism and is connected with a transmitting probe (10-1) placed in the first pile foundation measuring tube (2), and the other end of the transmitting measuring line (19) is connected with an ultrasonic detection box (10) through a transmitting line (17) And one end of the receiving measuring line (20) is connected with a receiving probe (10-2) placed in the second pile foundation measuring pipe (5) through a middle fixed pulley (7) and the second fixed pulley mechanism, and the other end of the receiving measuring line (20) is connected with the ultrasonic detecting box (10) through a receiving line connecting line (18).
2. The ultrasonic pile foundation detection system of claim 1, wherein: the triangular support mechanism (9) comprises a top plate (9-1) and supporting legs (9-2) arranged at the bottom of the top plate (9-1), the top of the top plate (9-1) is provided with a pulley base (8) for mounting a middle fixed pulley (7), the number of the supporting legs (9-2) is three, and the three supporting leg mechanisms are uniformly distributed along the circumferential direction of the top plate (9-1);
mounting grooves (9-3) are uniformly distributed in the circumferential direction of the top plate (9-1), a rotating shaft (9-4) is arranged in each mounting groove (9-3), the top ends of the supporting legs (9-2) are sleeved on the rotating shafts (9-4), and fixing anchors (9-5) are arranged at the bottom ends of the supporting legs (9-2).
3. The ultrasonic pile foundation detection system of claim 1, wherein: a first electronic circuit board is arranged in the first winding base (11), a first controller (21) and a first motor driver (22) are integrated on the first electronic circuit board, and the first motor driver (22) is connected with a first motor (14);
a second electronic circuit board is arranged in the second winding base (12), a second controller (23) and a second motor driver (24) are integrated on the second electronic circuit board, and the second motor driver (24) is connected with a second motor (13).
4. The ultrasonic pile foundation detection system of claim 2, wherein: the middle of the bottom of the top plate (9-1) is provided with a fixing rod (9-6), a supporting rod (9-7) is arranged between the supporting leg (9-2) and the fixing rod (9-6), the fixing rod (9-6) is provided with a plurality of first cross-connecting seats (9-8) along the circumferential direction, the supporting leg (9-2) is provided with a second cross-connecting seat (9-9), one end of the supporting rod (9-7) is hinged in the first cross-connecting seat (9-8), and the other end of the supporting rod (9-7) is hinged in the second cross-connecting seat (9-9).
5. The ultrasonic pile foundation detection system of claim 1, wherein: the first fixed pulley mechanism comprises a first base (1) and a first fixed pulley (3) arranged on the first base (1), the second fixed pulley mechanism comprises a second base (4) and a second fixed pulley (6) arranged on the second base (4), one end of the emission measuring line (19) is connected with an emission probe (10-1) placed in the first pile foundation measuring pipe (2) through a middle fixed pulley (7) and a first fixed pulley (3), the one end of receiving survey line (20) is connected with receiving probe (10-2) of putting into in second pile foundation survey pipe (5) through middle fixed pulley (7) and second fixed pulley (6), stretches into transmission survey line (19) in first pile foundation survey pipe (2) and the center coincidence of first pile foundation survey pipe (2), stretches into receiving survey line (20) in second pile foundation survey pipe (5) and the center coincidence of second pile foundation survey pipe (5).
6. The ultrasonic pile foundation detection system of claim 5, wherein: a first upper cover plate (2-1) is arranged on the first pile foundation measuring pipe (2), a second upper cover plate (5-1) is arranged on the second pile foundation measuring pipe (5), the first base (1) is fixed on the first upper cover plate (2-1), and the second base (4) is fixed on the second upper cover plate (5-1);
the first upper cover plate (2-1) and the first base (1) are provided with first through holes for the transmission measuring line (19) to pass through, and the second upper cover plate (5-1) and the second base (4) are provided with second through holes for the reception measuring line (20) to pass through.
7. The ultrasonic pile foundation detection system of claim 1, wherein: the output shaft of the first motor (14) is in transmission connection with a first intermediate shaft (15-1) for mounting a first winding drum (15), the output shaft of the second motor (13) is in rotation connection with a second intermediate shaft (16-1) for mounting a second winding drum (16), the first intermediate shaft (15-1) is sleeved with a first rotary conductive sliding ring (25), the second intermediate shaft (16-1) is sleeved with a second rotary conductive sliding ring (26), the rotor wire end of the first rotary conductive sliding ring (25) is connected with the other end of the emission measuring line (19), the stator wire end of the first rotary conductive sliding ring (25) is connected with one end of the emission line connecting line (17), and the other end of the emission line connecting line (17) is connected with the ultrasonic detection box (10); the rotor wire end of the second rotary conductive slip ring (26) is connected with the other end of the receiving measuring wire (20), the stator wire end of the second rotary conductive slip ring (26) is connected with one end of a receiving wire connecting wire (18), and the other end of the receiving wire connecting wire (18) is connected with the ultrasonic detection box (10).
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| CN111929472A (en) * | 2020-06-29 | 2020-11-13 | 国家电网有限公司 | Multifunctional high-voltage test switching box for transformer test |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111929472A (en) * | 2020-06-29 | 2020-11-13 | 国家电网有限公司 | Multifunctional high-voltage test switching box for transformer test |
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