CN109682887B - Multi-span hole probe fixing frame for pile foundation detection and application method thereof - Google Patents
Multi-span hole probe fixing frame for pile foundation detection and application method thereof Download PDFInfo
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- CN109682887B CN109682887B CN201910082289.9A CN201910082289A CN109682887B CN 109682887 B CN109682887 B CN 109682887B CN 201910082289 A CN201910082289 A CN 201910082289A CN 109682887 B CN109682887 B CN 109682887B
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- 239000000523 sample Substances 0.000 title claims abstract description 104
- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 17
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/225—Supports, positioning or alignment in moving situation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0232—Glass, ceramics, concrete or stone
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a multi-span hole probe fixing frame for pile foundation detection and a use method thereof, comprising an adjusting device and a driving device, wherein the adjusting device comprises a fixed shell and an adjusting screw, a push rod with adjustable length is arranged in the fixed shell, and a nut in threaded connection with the adjusting screw is connected with the push rod; the motor and the fixed shell are connected together and arranged on one side of the fixed shell, and two pulleys are respectively attached to the surfaces of the top and the tail of the device and used for fixing the direction of a probe wire. The semicircular guide sleeve structure attached to the top of the push rod moves together with the push rod and is attached to the ultrasonic probe; the ultrasonic probe can be directly conveyed to the position of the sound pipe orifice through the device on the offshore pile foundation construction platform, so that a constructor can be prevented from holding the ultrasonic probe down into the steel pile casing to perform dangerous operation, meanwhile, the time can be saved, the construction efficiency can be improved, the manufacturing cost is low, and the ultrasonic probe is easy to popularize.
Description
Technical Field
The invention relates to the technical field of offshore pile foundation detection, in particular to a multi-quart empty probe fixing frame for offshore pile foundation detection and a using method thereof.
Background
With the rapid development of foundation construction in China, foundation engineering of numerous high buildings, bridges and the like adopts a foundation form of filling piles. Because the cast-in-place pile needs to be poured with a large amount of concrete, the cast-in-place pile is influenced by various construction factors, and quality accidents such as pile breakage, interlayer, necking, holes and the like often occur. Therefore, it is necessary to determine the position of the defect and evaluate it accurately, which is a core problem in pile quality detection. When the ultrasonic instrument is used for pile foundation detection, the acoustic pipe is required to be installed in advance, and is equal to the pile body in length and distributed vertically along the pile foundation. When pile foundation detection is carried out, the probe is placed into the sound tube for detection along the sound tube, and the method has obvious effect, saves time and is widely applied to actual engineering. However, when the offshore bridge pile foundation is constructed, an offshore platform is often required to be built in advance, when the pile foundation is detected, because the pile top is a certain distance away from the offshore platform, a constructor is required to put an ultrasonic probe into a sounding pipe by means of the pile foundation top which is put into an escalator, and the operation danger greatly threatens the safety of constructors and the construction efficiency is low. Based on the invention, the ultrasonic multi-quart probe fixing frame enables constructors to directly operate on an offshore platform without going into the top of a pile foundation to operate.
Disclosure of Invention
The invention aims to provide a multi-span hole probe fixing frame for pile foundation detection and a using method thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a multi-quart probe holder for offshore pile foundation detection, comprising: an adjusting device and a driving device;
the adjusting device comprises a fixed shell and an adjusting screw;
a push rod is arranged in the fixed shell, and the push rod can slide in the fixed shell; the push rod is arranged in a hollow way, and the tail end of the push rod is provided with an adjusting nut;
the adjusting screw is supported in the fixed shell, and the first extending end of the adjusting screw is in threaded connection with the adjusting nut and then extends into the inner cavity of the push rod; the second extension end extends out of the tail end of the fixed shell to be engaged with the driving device.
Further, at least one group of sliding guide rails are symmetrically arranged on the inner wall of the fixed shell, and the sliding guide rails are arranged along the length direction of the fixed shell;
the outer wall of the push rod is at least symmetrically provided with a group of protruding blocks, the protruding blocks correspond to the sliding guide rail in position, and the sliding guide rail is arranged along the length direction of the push rod; the convex blocks are embedded into the sliding guide rails at the corresponding positions.
Further, the driving device is fixed on the fixed shell, and the driving device and the fixed shell are arranged in parallel; the second extending end of the adjusting screw is provided with a large gear; the output end of the driving device is provided with a pinion, and the pinion is connected with the large gear in a meshed mode.
Further, the pulley block comprises at least a first pulley and a second pulley; the first pulley is arranged at the tail end of the fixed shell, and the second pulley is arranged at the front end of the push rod; each pulley comprises a pulley support frame and a pulley cover;
the top of the pulley support frame is provided with a plurality of groups of grooves which are arranged in parallel and are arranged along the width direction of the pulley support frame for isolating and supporting an ultrasonic probe line;
the pulley cover is hinged to the top of the pulley support frame; the pulley cover is provided with at least one roller, and the roller is arranged along the length direction of the pulley cover; when the pulley cover is closed, the roller is attached to the top of the groove.
Further, one side of the pulley cover is hinged with the pulley support frame through a hinge; the other side is provided with a hasp; the side wall of the pulley support frame, which is on the same side as the hasp, is provided with a clamping hook which is used for being matched with the hasp;
the front end of the push rod is provided with a guide sleeve for supporting the ultrasonic probe, and the guide sleeve is semi-cylindrical; the guide sleeve, the first pulley and the second pulley are arranged on the same straight line.
Further, the push rod is a telescopic rod with adjustable length, the telescopic rod at least comprises a first telescopic rod and a second telescopic rod, and the first telescopic rod is embedded in the second telescopic rod.
Further, the driving device is provided with a control handle, a rotary button, an extension button and a retraction button are arranged on the control handle, and the control handle is in wireless connection with the driving device.
Further, the push rod is cylindrical; the bottom of the supporting frame of the second pulley is an arc-shaped surface, and the arc-shaped surface is attached to the surface of the push rod; the push rod is an aluminum alloy push rod; the fixed shell is a plastic shell; the driving device is an electric motor.
The application method of the multi-span hole probe fixing frame for pile foundation detection comprises the following steps:
s1, starting a driving device, and setting an adjusting device so that the end part of a push rod is positioned above a sound measuring tube;
s2, placing an ultrasonic probe;
s3, closing the driving device and retracting the push rod.
Further, the specific method in step S1 is as follows: firstly, manually adjusting the telescopic rod to enable the push rod to extend to the position of the sound tube, and then finely adjusting the extending length of the telescopic rod through the extending button;
the specific method of the step S2 is as follows: before detection, the ultrasonic probe wire is put on the pulley, and the ultrasonic probe is made to be attached to the guide sleeve; the ultrasonic probe wire is fixed and limited through the grooves in the pulleys and the rollers, and the ultrasonic probe moves downwards along the direction of the guide sleeve.
The specific method of the step S3 is as follows: the telescopic rod is retracted by retracting the push button, and then manually adjusted, so that the push rod is completely contained in the fixed housing.
Compared with the prior art, the invention has at least the following beneficial effects:
according to the multi-span hole probe fixing frame for pile foundation detection, the push rod is arranged in a hollow mode, so that the adjusting screw rod in the adjusting device can extend into the cavity of the push rod; an adjusting nut is arranged at the tail end of the push rod and is used for being connected with an adjusting screw rod in a threaded manner; the adjusting screw is supported in the fixed shell, so that one end of the adjusting screw can be connected with the adjusting nut, and the other end of the adjusting screw can be connected with the driving device; under the drive of the driving device, the adjusting screw rod and the adjusting nut can move relatively, and because the push rod is arranged in the fixed shell in a supporting way, the adjusting screw rod and the adjusting nut displace relatively under the action of the driving device, so that the push rod moves relatively to the fixed shell, the extension or shortening of the fixing frame is realized, and the ultrasonic probe is placed in the sounding pipe; the labor force can be saved on the premise of improving the working efficiency, the safety coefficient in construction is improved, and the device has the advantages of environmental protection and simple structure; the ultrasonic probe can be directly conveyed to the position of the sound pipe orifice through the device on the offshore pile foundation construction platform, so that a constructor can be prevented from holding the ultrasonic probe down into the steel pile casing to perform dangerous operation, meanwhile, the time can be saved, the construction efficiency can be improved, the manufacturing cost is low, and the ultrasonic probe is easy to popularize.
Further, the outer wall of the push rod is provided with at least one group of protruding blocks, the protruding blocks are arranged along the length direction of the push rod, accordingly, at least one group of sliding guide rails are arranged on the inner wall of the fixed shell, and the sliding guide rails correspond to the protruding blocks in position, so that the push rod can be pushed by the adjusting screw rod, and the push rod can freely slide in the fixed shell through the matching of the protruding blocks and the sliding guide rails, and the telescopic requirement on the fixed frame is met.
Furthermore, the driving device and the fixed shell are arranged in parallel, so that the output end of the driving device is connected with the extending end of the adjusting screw; the large gear is arranged at the extending end of the adjusting screw, the two small gears are arranged at the output end of the driving device, the gears are in meshed connection, the small gears can be driven to realize speed reduction movement by moving the large gears, and the large gears are connected with the screw into a whole, so that the rotation movement of the screw is realized; the power output of the driving device is converted into linear motion of the adjusting screw rod, and the length of the push rod can be effectively controlled.
Furthermore, the pulley blocks are used for supporting and limiting the ultrasonic probe wire, and the two pulley blocks are arranged on the same straight line in a sliding manner, so that the ultrasonic probe wire can move along the straight line; the pulley is supported on the pulley support frame, and a plurality of parallel grooves are formed in the pulley support frame, so that a plurality of groups of ultrasonic probe wires can be used by one pulley at the same time; the pulley cover is transversely provided with the roller, so that the position of the ultrasonic probe wires in the grooves can be limited, the ultrasonic probe wires are prevented from being separated from the grooves in the moving process, the phenomenon that a plurality of groups of ultrasonic probe wires are wound is avoided, and the probe wires smoothly pass through; the probe wire is attached to the groove of the pulley and the roller, so that friction force can be reduced, and the speed below the probe can be increased; meanwhile, the grooves of the pulleys can also control the direction of the probe wire, and the probe wire is always attached to the grooves in the descending process.
Further, one end of the pulley cover is hinged with one side of the pulley support frame, and the other side of the pulley cover is provided with the hasp assembly, so that when the pulley cover is used, the pulley cover can be operated only by opening or closing the hasp assembly, and the pulley cover is convenient to use and simple to operate.
Furthermore, the arranged guide sleeve can support and limit the ultrasonic probe, so that the ultrasonic probe cannot shake, and the ultrasonic probe can be easily placed in the sound tube; the guide sleeve and the two pulleys are arranged on the same straight line, so that the ultrasonic probe and the probe line can be placed along the same straight line, and the probe line derailing phenomenon can not occur.
Further, the push rod is set to be a telescopic rod with adjustable length, so that the usable length of the push rod is longer, and the construction requirements under most conditions can be met.
Furthermore, the control handle is provided with a rotary button, an extension button and a retraction button, so that extension and retraction of the push rod can be conveniently controlled, and the aim of controlling the length of the push rod is fulfilled; on one hand, the device can reach any sound tube in the pile foundation, and on the other hand, the device is also beneficial to carrying.
Furthermore, the push rod is arranged on a round surface, so that the push rod can conveniently move in the fixed shell; the bottom of the pulley support frame is set to be an arc surface, so that the bottom arc surface of the pulley support frame is attached to the surface of the push rod, and the stability of the pulley is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a fixing frame according to an embodiment of the present invention;
FIG. 2 is a schematic view of a pulley and a control handle according to an embodiment of the present invention;
FIG. 3 is a schematic view of a push rod according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an adjusting device according to an embodiment of the present invention;
FIG. 5 is a schematic view of a pulley according to an embodiment of the present invention;
in the figure: 1. push rod, 2, adjusting device, 3, motor, 4, control handle, 5, pulley, 6, guide pin bushing, 7, ultrasonic probe, 101, first telescopic link, 102, second telescopic link, 201, adjusting screw, 202, adjusting nut, 301, gear wheel, 302, pinion, 401, rotary button, 402, extension button, 403, retraction button, 501, first pulley, 502, second pulley, 5011, pulley cover, 5012, hinge, 5013, pulley support frame, 5014, roller, 701, ultrasonic probe wire.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the multi-span hole probe fixing frame for pile foundation detection of the present invention comprises: an adjusting device 2 and a driving device;
the adjusting device 2 comprises a fixed shell, wherein an adjusting screw 201 and a push rod 1 are arranged in the fixed shell, and the push rod 1 is arranged in a hollow manner and is used for accommodating the adjusting screw 201; two groups of symmetrical convex blocks are arranged on the outer wall of the push rod 1, the two groups of convex blocks are arranged along the length direction of the push rod 1, one group of convex blocks is arranged in the vertical direction of the outer wall of the push rod 1, and the other group of convex blocks is arranged in the horizontal direction;
two groups of symmetrical sliding guide rails are correspondingly arranged on the inner wall of the fixed shell, the sliding guide rails are arranged along the length direction of the fixed shell, the sliding guide rails correspond to the positions of the protruding blocks, and the protruding blocks are embedded into the sliding guide rails to form sliding of the push rod 1 in the fixed shell;
the tail end of the push rod 1 is provided with an adjusting nut 202;
one end of the adjusting screw 201 is in threaded connection with the adjusting nut 202, and the part of the end extending out of the adjusting nut 202 extends into the hollow inner cavity of the push rod 1; the end part of the other end of the adjusting screw 201, which extends out of the fixed shell, is connected with a large gear 301;
in the preferred embodiment of the invention, the drive means is realized by means of an electric motor 3, the electric motor 3 also being provided with a housing, the housing of the electric motor 3 being arranged in parallel with and fixed to the fixed housing of the adjusting means, the output shaft of the electric motor 3 being provided with a pinion 302, the pinion 302 being in meshing connection with a gearwheel 301, whereby the force transmission of the electric motor 3 to the adjusting screw 201 is realized. The motor 3 is laterally connected to the device, the rotational movement of the motor 3 is decelerated by a reduction gear, and the decelerated rotational movement is converted into a linear reciprocating movement by the drive system 2.
In the invention, in order to better adjust the ultrasonic probe line 701, a pulley block is arranged on the upper surface of the outer wall of the adjusting device, in one embodiment of the invention, the pulley block comprises a first pulley 501 and a second pulley 502, each pulley 5 comprises a pulley support frame 5013, a pulley 5014 and a pulley cover 5011, the specific structure of the pulley 5 is shown in fig. 5, four grooves are arranged at the top of the pulley support frame 5013 and are parallel, each groove is used for isolating four groups of ultrasonic probe lines 701 through the ultrasonic probe line 701 through the four grooves; the pulley cover 5011 is clamped on the pulley support frame 5013, specifically, one side of the pulley cover 5011 is hinged with the pulley support frame 5013 through a hinge 5012, the other end is provided with a hasp, and correspondingly, the side wall of the pulley support frame 5013 is provided with a clamping hook, and when in use, the pulley cover 5011 and the pulley support frame 5013 are opened or closed by opening or closing the hasp and the clamping hook; a roller 5014 is arranged above the pulley cover 5011 and is opposite to the groove, and when the pulley cover 5011 is covered, the roller 5014 is attached to the top of the groove, so that when the pulley cover 5011 is closed, the roller 5014 forms position limitation on four groups of ultrasonic probe wires 701 above the groove, so as to limit the movement direction of the probe wires, prevent the ultrasonic probe wires 701 from being separated from the groove when the ultrasonic probe wires 701 move fast, prevent the ultrasonic probe wires 701 from being wound, and enable the probe wires to pass smoothly; the pulley cap 5011 can be opened and closed by a hinge 5012 to facilitate the placement and removal of the probe wire.
The first pulley 501 is arranged at the tail end of the fixed shell, and the second slide 502 is arranged at the front end of the push rod 1; the two pulleys are arranged on the same straight line;
the bottom of the pulley support 5013 is arranged in an arc shape, and the arc bottom surface is just attached to the outer surfaces of the push rod 1 and the fixing frame;
in another embodiment of the present invention, a third pulley is further disposed between the first pulley 501 and the second pulley 502, the third pulley using the same arrangement as the first pulley 501, the third pulley being disposed on the mount for better supporting the ultrasonic probe wire 701; in addition, the number of the rollers 5014 on each pulley 5 is two, and the two rollers 5014 are separately arranged to form double limit for the ultrasonic probe line 701 in the groove;
the pulley 5 is used for better limiting the probe wire 701 by arranging the roller 5014 and a plurality of grooves, preventing the ultrasonic probe wire 701 from sliding out and facilitating the smooth passing of the ultrasonic probe wire 701.
In the preferred embodiment of the invention, in order to better support and limit the ultrasonic probe 7, a guide sleeve 6 is welded at the front end position of the push rod 1, the guide sleeve 6 is arranged in a semi-cylindrical shape, and the guide sleeve 6 is recessed downwards; the guide sleeve 6 and the pulley in the pulley block are arranged on the same straight line, so that the ultrasonic probe 7 and the ultrasonic probe line 701 are on the same straight line;
in the preferred embodiment of the present invention, the push rod 1 adopts a telescopic rod with adjustable length, the telescopic rod adopts a sectional adjustment type arrangement, the telescopic rod comprises a first telescopic rod 101 and a second telescopic rod 102, and the first telescopic rod 101 is embedded in the second telescopic rod 102.
The motor 3 is provided with a control handle 4, the control handle 4 is provided with a rotation button 401, an extension button 402 and a retraction button 403, and in the preferred embodiment of the invention the control handle 4 is connected to the drive means by bluetooth, so that a worker can remotely control the control handle to adjust the motor 3.
In the preferred embodiment of the invention, the push rod 1 is made of an aluminum alloy material; the fixed shell is made of plastic.
When pile foundation detection is carried out, the pulley cover 5011 is opened firstly, the ultrasonic probe wire 701 is placed in the groove of the pulley 5, the groove in the pulley 5 and the roller 5014 are attached to the ultrasonic probe wire 701, the ultrasonic probe 7 is prevented from being separated from the device and intertwined when being lowered, and the ultrasonic probe 7 is attached to the guide sleeve 6 before being lowered. The rotary motion of the motor 3 and the adjusting device 2 are used for converting the rotary motion into linear motion, so that the length of the push rod 1 is extended, when the ultrasonic probe 7 is extended to be right above the sound tube, the ultrasonic probe wire 701 is loosened at the moment, and the ultrasonic probe 7 can be lowered to the position of the mouth of the sound tube.
As shown in fig. 2, the control handle 4 includes a rotation button 401, an extension button 402, and a retraction button 403, the control handle 4 being connected to the motor 3 by wireless means, the extension button and the retraction button controlling extension and retraction of the push rod. When pile foundation detection is carried out, the rotary button 401 is firstly opened, the end part of the detector hand-held device with the control handle 4 is controlled to extend out of the button 402 to enable the push rod 1 to reach the position right above the sound detection tube, then the ultrasonic probe wire 701 is loosened, the ultrasonic probe 7 can reach the mouth of the sound detection tube, after the ultrasonic probe 7 reaches the bottom of the sound detection tube, the push rod can be retracted by the retraction button 403, and the work is completed. The ultrasonic probe wire 701 is placed in the groove of the pulley 5 before detection, the probe wire is always positioned in the pulley by the groove, and the roller 5014 prevents the probe wire from winding and separating due to the too high descending speed.
As shown in fig. 3, the push rod 1 is composed of an inner tube 101 and an outer tube 102, the inner tube 101 is axially movable, and the push rod 1 is preferably pre-shaped into a plastic sheet with a memory function smaller than the outer diameter of the rod body, so as to have a self-tightening function. When the offshore platform is far from the sounding pipe in the pile foundation, the length of the device can be increased by extending the inner pipe 101 in advance and then pushing the push rod by using the motor 3, so that the length of the device can be increased as much as possible. The guide sleeve 6 is attached to the ultrasonic probe 7, so that stability of the probe is guaranteed before detection, and interference from other factors is prevented. The ultrasonic probe wire 701 is held in the hand of a detector before detection to prevent the probe from descending, and the probe wire is placed in the grooves of the two pulleys in advance, so that the position direction of the ultrasonic probe wire 701 is fixed, and the ultrasonic probe wire 701 can be loosened after the push rod 1 reaches the preset position, so that the ultrasonic probe 7 reaches the top of the sounding pipe.
As shown in fig. 4, the adjusting device 2 comprises an adjusting nut 202 and an adjusting screw 201, the adjusting screw 201 is in threaded connection with the adjusting nut 202, and the adjusting screw 201 pushes the adjusting nut 202 to do reciprocating linear motion. When the inspector presses the extension button 402, the adjusting screw 201 rotates anticlockwise to push the adjusting nut 202 forwards, and the push rod 1 is pushed along with the adjusting nut; when the retract button 403 is pressed, the adjusting screw 201 rotates clockwise to retract the adjusting nut 202, and the push rod 1 is retracted. The high-speed rotation of the motor 3 is decelerated by the pinion 302 driving the large gear 301, which is engaged with each other.
In the preferred embodiment of the present invention, as shown in fig. 5, the pulley 5 is adapted to the push rod 1, the bottom of the pulley support frame is arc-shaped and is attached to the tubular outer wall of the tubular push rod 1, and the connection between the pulley 5 and the push rod 1 is fixed by cementing.
The invention relates to a multi-span hole probe fixing frame for pile foundation detection, which comprises the following steps:
firstly, manually adjusting the telescopic rod to enable the push rod 1 to extend to the position of the sound measuring tube, and then finely adjusting the extending length of the telescopic rod by pressing an extending button 402 of the driving device to enable the end part of the push rod 1 to be positioned above the sound measuring tube;
secondly, before detection, the ultrasonic probe wire 701 is put on the pulley 5, and the ultrasonic probe 7 is made to be attached to the guide sleeve 6; in this way, the ultrasonic probe wire 701 can be fixed and limited by the groove and the roller in the pulley 5, the ultrasonic probe 7 moves downwards along the direction of the guide sleeve 6, and the ultrasonic probe 7 starts to be placed;
third, after the detection is completed, the retracting button 403 of the driving device is pressed to retract the telescopic rod, and then the telescopic rod is manually adjusted, so that the push rod 1 is completely contained in the fixed shell, the driving device is closed, and the detection is completed.
The foregoing has described in detail the technical solutions provided by the embodiments of the present invention, and specific examples have been applied to illustrate the principles and implementations of the embodiments of the present invention, where the above description of the embodiments is only suitable for helping to understand the principles of the embodiments of the present invention; meanwhile, as for those skilled in the art, according to the embodiments of the present invention, there are variations in the specific embodiments and the application scope, and the present description should not be construed as limiting the invention.
Claims (5)
1. The utility model provides a pile foundation detects with multispan hole probe mount which characterized in that includes: an adjusting device (2) and a driving device;
the adjusting device (2) comprises a fixed shell and an adjusting screw (201);
a push rod (1) is arranged in the fixed shell, and the push rod (1) can slide in the fixed shell; the push rod (1) is arranged in a hollow mode, and an adjusting nut (202) is arranged at the tail end of the push rod (1);
the adjusting screw rod (201) is supported in the fixed shell, and a first extending end of the adjusting screw rod (201) is in threaded connection with the adjusting nut (202) and then extends into the inner cavity of the push rod (1); the second extension end extends out of the tail end of the fixed shell and is in meshed connection with the driving device;
the inner wall of the fixed shell is at least symmetrically provided with a group of sliding guide rails, and the sliding guide rails are arranged along the length direction of the fixed shell;
the outer wall of the push rod (1) is at least symmetrically provided with a group of protruding blocks, the protruding blocks correspond to the sliding guide rail in position, and the sliding guide rail is arranged along the length direction of the push rod (1); the convex blocks are embedded into the sliding guide rails at the corresponding positions;
the driving device is fixed on the fixed shell and is arranged in parallel with the fixed shell; a second extending end of the adjusting screw rod (201) is provided with a large gear (301); the output end of the driving device is provided with a pinion (302), and the pinion (302) is in meshed connection with the large gear (301);
the pulley block comprises at least a first pulley (501) and a second pulley (502); the first pulley (501) is arranged at the tail end of the fixed shell, and the second pulley (502) is arranged at the front end of the push rod (1); each pulley (5) comprises a pulley support frame (5013) and a pulley cover (5011);
the top of the pulley support frame (5013) is provided with a plurality of groups of grooves which are arranged in parallel and are arranged along the width direction of the pulley support frame (5013) for isolating and supporting the ultrasonic probe wire (701);
the pulley cover (5011) is hinged to the top of the pulley support frame (5013); at least one roller (5014) is arranged on the pulley cover (5011), and the roller (5014) is arranged along the length direction of the pulley cover (5011); when the pulley cover (5011) is closed, the roller (5014) is attached to the top of the groove;
one side of the pulley cover (5011) is hinged with the pulley support frame (5013) through a hinge; the other side is provided with a hasp; a clamping hook is arranged on the side wall of the pulley support frame (5013) on the same side as the hasp, and the clamping hook is used for being matched with the hasp;
the front end of the push rod (1) is provided with a guide sleeve (6) for supporting an ultrasonic probe (7), and the guide sleeve (6) is semi-cylindrical; the guide sleeve (6) is arranged on the same straight line with the first pulley (501) and the second pulley (502);
the push rod (1) is a telescopic rod with adjustable length, the telescopic rod at least comprises a first telescopic rod (101) and a second telescopic rod (102), and the first telescopic rod (101) is embedded in the second telescopic rod (102).
2. A multi-span hole probe fixing frame for pile foundation detection according to claim 1, characterized in that the driving device is provided with a control handle (4), a rotary button (401), an extension button (402) and a retraction button (403) are arranged on the control handle (4), and the control handle (4) is in wireless connection with the driving device.
3. A multi-span hole probe holder for pile foundation detection according to claim 1, characterized in that the push rod (1) is cylindrical; the bottom of the supporting frame of the second pulley (502) is an arc-shaped surface, and the arc-shaped surface is attached to the surface of the push rod (1); the push rod (1) is an aluminum alloy push rod; the fixed shell is a plastic shell; the driving device is an electric motor (3).
4. A method of using a multi-hole probe holder for pile foundation testing according to any one of claims 1-3, comprising the steps of:
s1, starting a driving device, and setting an adjusting device (2) so that the end part of a push rod (1) is positioned above a sound measuring tube;
s2, placing an ultrasonic probe (7);
s3, closing the driving device and withdrawing the push rod (1).
5. The method for using the multi-span hole probe holder for pile foundation detection according to claim 4, wherein the specific method in step S1 is as follows: firstly, manually adjusting the telescopic rod to enable the push rod (1) to extend to the position of the sounding pipe, and then finely adjusting the extending length of the telescopic rod through the extending button (402);
the specific method of the step S2 is as follows: before detection, an ultrasonic probe wire (701) is put on a pulley (5) and an ultrasonic probe (7) is attached to a guide sleeve (6); the ultrasonic probe wire (701) is fixed and limited through grooves and rollers in the pulley (5), and the ultrasonic probe (7) moves downwards along the direction of the guide sleeve (6);
the specific method of the step S3 is as follows: retraction of the telescopic rod is achieved by retracting the push button (403), and then manual adjustment of the telescopic rod is achieved such that the push rod (1) is fully housed within the stationary housing.
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| CN110219327B (en) * | 2019-06-15 | 2021-03-26 | 镇江市丹徒区建筑工程质量检测中心 | Foundation pile ultrasonic detection auxiliary device |
| CN112502144B (en) * | 2020-11-19 | 2022-02-01 | 杭州电子科技大学 | Detection device and detection method thereof |
| CN113686941A (en) * | 2021-08-10 | 2021-11-23 | 朱浩奇 | Chemical sensor |
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