CN114837239A - Foundation pile detection device for constructional engineering and use method thereof - Google Patents
Foundation pile detection device for constructional engineering and use method thereof Download PDFInfo
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- CN114837239A CN114837239A CN202210583611.8A CN202210583611A CN114837239A CN 114837239 A CN114837239 A CN 114837239A CN 202210583611 A CN202210583611 A CN 202210583611A CN 114837239 A CN114837239 A CN 114837239A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a foundation pile detection device for constructional engineering and a using method thereof, belonging to the field of foundation pile detection; a foundation pile detection device for building engineering comprises a mounting frame, a pressing plate mechanism, a core drilling mechanism, a locking mechanism and a linkage mechanism; the mounting frame is provided with the pressing plate mechanism, so that the stability of the device is improved during sampling; the universal wheels are controlled to turn over through the pressing plate mechanism, and before the pressing plate is contacted with the ground, the universal wheels are separated from the ground, so that the fixing blocks are contacted with the ground, the contact area of the device and the ground is further increased, the descending stroke of the pressing plate is reduced, and the stability is improved; the locking mechanism is arranged on the core drilling mechanism to limit the operation of the core drilling mechanism, and the linkage mechanism is arranged to link the state of the pressing plate and the state of the locking mechanism, so that the core drilling sampling time of the core drilling mechanism is controlled, and only when the pressing plate is in contact with the ground, the sleeve in the core drilling mechanism can descend to complete core drilling sampling, so that the stability is improved.
Description
Technical Field
The invention belongs to the field of foundation pile detection, and particularly relates to a foundation pile detection device for constructional engineering and a using method thereof.
Background
The cast-in-place concrete pile is the most common foundation pile, detection is usually completed through a core drilling method, complete and successful core drilling detection is carried out once, the conditions of pile length, pile body concrete strength, pile bottom sediment thickness and pile body integrity can be obtained, and the rock-soil property of a pile end bearing layer is judged or identified; the core drilling method detection is that core drilling equipment is used for drilling a hole in a foundation pile to take out a sample column, and after the sample column is taken out, the sample column is analyzed and identified so as to complete foundation pile detection;
the universal wheels are arranged at the bottom of the conventional core drilling sampling equipment to improve the maneuverability of the equipment; however, in the core drilling sampling process, the universal wheels are in contact with the ground, so that equipment is easy to shift greatly, the core drilling sampling effect can be influenced, and the detection result is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a foundation pile detection device for construction engineering and a using method thereof, which can reduce the displacement of equipment during core drilling and sampling and ensure the core drilling and sampling effects.
The purpose of the invention can be realized by the following technical scheme:
a foundation pile detection device for constructional engineering comprises a mounting frame, wherein four fixed blocks are arranged at the lower end of the mounting frame, and a universal wheel is mounted at the lower end of each fixed block; the mounting frame is provided with a core drilling mechanism, and the core drilling mechanism is used for drilling and sampling the foundation pile;
the mounting frame is provided with a supporting plate, a pressing plate mechanism is mounted on the supporting plate and comprises an air cylinder fixed at the upper end of the supporting plate, a pressing plate is fixed on a driving shaft of the air cylinder, and the air cylinder can control the pressing plate to descend and can contact with the ground to bear force;
the upper end of the universal wheel is provided with a connecting block, a rotating shaft is arranged on the connecting block, and the rotating shaft is rotatably connected with the fixed block; a first gear is fixed on each rotating shaft, four first racks are arranged on the pressing plate, and the four first racks are meshed with the four first gears respectively; when the pressing plate is positioned at the highest point, the connecting block on the universal wheel is in a vertical state, and the universal wheel can be contacted with the ground; the castor is turned away from the ground before the footplate is lowered into contact with the ground.
Furthermore, the core drilling mechanism comprises a support frame arranged on the mounting frame, a connecting plate is connected to the support frame in a sliding mode, the sliding direction is the vertical direction, a first lead screw is connected to the support frame in a rotating mode, the first lead screw penetrates through the connecting plate along the vertical direction and is in threaded connection with the connecting plate, and a first driving device used for driving the first lead screw to rotate is fixed to the support frame, so that the control over the lifting motion of the connecting plate is achieved;
and a second driving device is fixed on the connecting plate, a sleeve is fixed on a driving shaft of the second driving device, the second driving device is used for driving the sleeve to rotate, and a cutter is fixed at the lower end of the sleeve.
Furthermore, a locking mechanism is mounted on the support frame and used for limiting the rotation of the first screw rod;
the locking mechanism comprises a fixing frame, the fixing frame is fixed on the supporting frame, a sliding rod is connected to the fixing frame in a sliding mode, a baffle is arranged at the end portion of the sliding rod, a clamping block is arranged on the baffle, a spring is sleeved on the sliding rod, the two ends of the spring are fixedly connected with the baffle and the fixing frame respectively, and the clamping block can be clamped with the spiral groove in the first lead screw under the elastic force action of the spring.
Furthermore, a linkage mechanism is arranged on the mounting frame and used for controlling the time when the locking mechanism locks the first screw rod;
the linkage mechanism comprises a first fixing plate fixed on the supporting plate, a rotating rod is rotatably connected to the first fixing plate, a second gear and a third gear are fixed on the rotating rod, a second rack is slidably connected to the supporting plate, one end of the second rack is fixedly connected with the sliding rod, and the second rack is meshed with the second gear; a connecting rod is fixed at the upper end of the pressing plate, a third rack is arranged at the upper end of the connecting rod, and in the descending process of the pressing plate, the third rack on the connecting rod can be meshed with the third gear and drives the second rack to slide towards one end far away from the first screw rod;
when the pressing plate is located at the highest point, only the universal wheel on the device is in contact with the ground, the third rack is not meshed with the third gear, and at the moment, the clamping block is clamped with the spiral groove on the first screw rod under the action of the elastic force of the spring; when the pressing plate moves to be in contact with the ground, the third rack is meshed with the third gear, and the clamping block is driven to just leave the first screw rod.
Furthermore, the support frame is connected with the mounting frame in a sliding mode, two second fixing plates are fixed to the upper end of the mounting frame, a second lead screw is connected between the two second fixing plates in a rotating mode, a third fixing plate is arranged on the support frame, and the second lead screw penetrates through the third fixing plate and is in threaded connection with the third fixing plate.
Furthermore, one end of the sliding rod is provided with a positioning groove, one end of the second rack is provided with a positioning rod, and the positioning rod and the positioning groove are matched with each other and can be in sliding connection; one side of slide bar is provided with the screw hole, and the screw hole communicates with the constant head tank, through twisting the screw in the screw hole, can realize the fixed connection between slide bar and the first rack, dismantles the screw in the screw hole and then can realize the relative slip between slide bar and the first rack.
Furthermore, the lower extreme of clamp plate is provided with a plurality of conical heads, and under the drive of cylinder and device self action of gravity, the conical head can insert soil ground.
A detection method of a foundation pile comprises the following steps:
s1 adjusting the drilling position: firstly, moving the mounting frame to the soil ground, and then moving the cutter to the upper part of the foundation pile to be tested by controlling the sliding of the support frame;
s2 wheel retracting support: the pressing plate is contacted with the ground by controlling the air cylinder, and the universal wheel is retracted to leave the ground;
s3 core drilling and sampling: the cutter is rotated at a high speed by the second driving device, and the first driving device is controlled to lower the connecting plate, so that drilling and sampling are completed; after reaching the designated depth, controlling the connecting plate to rise to the highest point, and taking down the sample column for detection;
s4 dot changing sampling: removing the screw in the threaded hole, and rotating the second screw rod to realize the adjustment of the sampling position; pulling the sliding rod to enable the clamping block to leave the first screw rod; then, the screw is installed in the threaded hole, and the sliding rod and the first rack are fixed with each other; finally, in the repetition S3, the sampling is completed; and repeating the steps S3-S4 to realize multipoint sampling.
The invention has the beneficial effects that: the mounting frame is provided with the pressing plate mechanism, and a pressing plate in the pressing plate mechanism can be in contact with the ground to increase the stability of the device during sampling; the universal wheels are controlled to turn over through the pressing plate mechanism, and before the pressing plate is contacted with the ground, the universal wheels are separated from the ground, so that the fixing blocks are contacted with the ground, the contact area of the device and the ground is further increased, the descending of the pressing plate is reduced, and the stability is improved; the locking mechanism is arranged on the core drilling mechanism to limit the operation of the core drilling mechanism, the linkage mechanism is arranged to link the state of the pressure plate with the state of the locking mechanism, the control of the core drilling sampling time of the core drilling mechanism is realized, and only when the pressure plate is in contact with the ground and the universal wheel is turned and retracted, the sleeve in the core drilling mechanism can descend to finish the core drilling sampling, and when the core drilling sampling is carried out, the pressure plate and the fixed block are in contact with the ground, so that the stability is improved; through setting the second rack and the sliding rod into adjustable fixed connection, when the pressure plate is in contact with the ground and the sampling is needed to be changed, the relative sliding between the sliding rod and the first rack can be released by disassembling the screw in the threaded hole, so that the condition that the pressure plate is interfered by the sliding adjustment of the support frame is avoided.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a mount structure according to an embodiment of the invention;
FIG. 3 is a schematic structural view of a universal wheel according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a platen mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a core drilling mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a locking mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic view of a slide bar configuration according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a linkage mechanism according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, a foundation pile detection device for construction engineering comprises an installation frame 1, wherein a core drilling mechanism 5 is arranged on the installation frame 1, and the core drilling mechanism 5 is used for drilling and sampling a foundation pile; during sampling, the mounting frame 1 is positioned on the ground of soil, and the core drilling mechanism 5 is aligned to the foundation pile to finish sampling;
the lower end part of the mounting frame 1 is provided with four fixed blocks 11, and the lower ends of the four fixed blocks 11 are respectively provided with a universal wheel 2, so that the mounting frame 1 can be conveniently moved, and the maneuverability of the device is improved;
the mounting frame 1 is provided with a supporting plate 12, the supporting plate 12 is provided with a pressing plate mechanism 4, the pressing plate mechanism 4 comprises a cylinder 41 fixed at the upper end of the supporting plate 12, a pressing plate 42 is fixed on a driving shaft of the cylinder 41, and the cylinder 41 can control the pressing plate 41 to descend and can be in contact with the ground to bear force, so that the displacement of the mounting frame 1 is limited;
the upper end of the universal wheel 2 is provided with a connecting block 21, a rotating shaft 22 is arranged on the connecting block 21, and the rotating shaft 22 is rotatably connected with the fixed block 11; a first gear 3 is fixed on each rotating shaft 22, four first racks 43 are arranged on the pressing plate 42, and the four first racks 43 are meshed with the four first gears 3 respectively; when the pressure plate 42 is located at the highest position, the connecting block 21 on the universal wheel 2 is in a vertical state, and the universal wheel 2 can be in contact with the ground; the castor 2 has been turned away from the ground before the pressure plate 42 has been lowered into contact with the ground;
the universal wheel 2 can be driven to turn over in the descending process of the pressing plate 42, so that the four fixing blocks 11 are firstly contacted with the ground, and then the pressing plate 42 is continuously descended until the four fixing blocks are contacted with the ground, so that the contact area between the device and the ground is further increased, and the stability of the device is improved; meanwhile, the pressing plate 42 descends and simultaneously drives the universal wheel 2 to overturn, so that the stroke of the air cylinder can be reduced, the supporting speed of the pressing plate 42 is improved, and meanwhile, the insufficient rigidity of a driving shaft of the air cylinder 41 caused by the overlarge stroke of the air cylinder 41 is avoided;
in addition, after the sampling work is finished, the pressing plate 42 is lifted to the highest point position through the control cylinder 41, the universal wheel 2 can be turned over to be in contact with the ground, and at the moment, the device can be conveniently moved.
As shown in fig. 5, the core drilling mechanism 5 includes a support frame 51 mounted on the mounting frame 1, a connecting plate 52 is slidably connected to the support frame 51, the sliding direction is a vertical direction, a first lead screw 56 is rotatably connected to the support frame 51, the first lead screw 56 penetrates through the connecting plate 52 along the vertical direction and is in threaded connection with the connecting plate 52, and a first driving device 57 for driving the first lead screw 56 to rotate is fixed to the support frame 51, so as to control the lifting movement of the connecting plate 52;
a second driving device 53 is fixed on the connecting plate 52, a sleeve 54 is fixed on a driving shaft of the second driving device 53, the second driving device 53 is used for driving the sleeve 54 to rotate, and a cutter 55 is fixed at the lower end of the sleeve 54; during the use, through control sleeve 54 high-speed rotation, rethread control connection board 52 descends, can realize the sample to the foundation pile, rethread is to the sample many times of foundation pile to accomplish the integrality of foundation pile and detect.
The support frame 51 is provided with a locking mechanism 6, and the locking mechanism 6 is used for limiting the rotation of the first screw rod 56 to limit the descending of the sleeve 54 and the cutter 55, so as to achieve the purpose of limiting the action of the drill core;
as shown in fig. 6-7, the locking mechanism 6 includes a fixing frame 61, the fixing frame 61 is fixed on the supporting frame 51, a sliding rod 62 is connected on the fixing frame 61 in a sliding manner, a baffle 621 is arranged at an end of the sliding rod 62, a fixture block 622 is arranged on the baffle 621, and the fixture block 622 can be engaged with the spiral groove on the first lead screw 56, so as to limit the rotation of the first lead screw 56; the sliding rod 62 is sleeved with a spring 63, two ends of the spring 63 are respectively fixedly connected with the baffle 621 and the fixing frame 61, and under the elastic force action of the spring 63, the fixture block 622 can be clamped with the spiral groove on the first lead screw 56, so that the rotation of the first lead screw 56 is limited, and the purpose of limiting the core drilling and sampling actions of the core drilling mechanism is achieved.
The mounting frame 1 is provided with a linkage mechanism 7, the linkage mechanism 7 is used for controlling the locking time of the first screw rod 56 by the locking mechanism 6, so that the core drilling sampling time of the core drilling mechanism 5 is controlled, the sleeve 54 in the core drilling mechanism 5 can descend only when the pressure plate 42 is in contact with the ground and the universal wheel 2 is turned and folded, the core drilling sampling is completed, and the pressure plate 42 and the fixed block 11 are in contact with the ground during the core drilling sampling, so that the stability is improved;
as shown in fig. 8, the linkage mechanism 7 includes a first fixing plate 72 fixed on the support plate 12, a rotating rod 73 is rotatably connected to the first fixing plate 72, a second gear 74 and a third gear 75 are fixed on the rotating rod 73, a second rack 71 is slidably connected to the support plate 12, one end of the second rack 71 is fixedly connected to the sliding rod 62, and the second rack 71 and the second gear 74 are engaged with each other; a connecting rod 76 is fixed at the upper end of the pressure plate 42, a third rack 761 is arranged at the upper end of the connecting rod 76, and in the descending process of the pressure plate 42, the third rack 761 on the connecting rod 76 can be meshed with the third gear 75 and drive the second rack 71 to slide towards one end far away from the first lead screw 56, so that the clamping block 622 can be driven to leave the first lead screw 56, and the rotational freedom degree of the first lead screw 56 can be released;
when the pressing plate 42 is located at the highest point, only the universal wheel 2 on the device is in contact with the ground, the third rack 761 is not meshed with the third gear 75, at this time, under the elastic action of the spring 63, the clamping block 622 is clamped with the spiral groove on the first lead screw 56, so that the first lead screw 56 is mechanically locked, and the phenomenon that when only the universal wheel 2 is in contact with the ground, the first lead screw 56 rotates under the driving of the first driving device 57 due to manual misoperation to perform core drilling sampling action, so that the device is easy to shift greatly in the sampling process to influence the stability of the core drilling sampling process is avoided;
when the pressing plate 42 moves to contact with the ground, the third rack 761 is engaged with the third gear 75, and drives the clamping block 622 to just leave the first lead screw 56, at this time, the rotational freedom degree of the first lead screw 56 is released, and the core drilling mechanism 6 can complete core drilling and sampling actions so as to facilitate detection; therefore, the sleeve 54 in the core drilling mechanism 5 can be descended only when the pressure plate 42 is in contact with the ground, core drilling sampling is completed, and the stability of the sampling process is improved.
Since the pile is buried in the soil, the mounting frame 1 is located on the ground of the soil when the core drilling sampling test is performed on the pile, and the cutter 55 of the sleeve 54 is located above the pile. Therefore, in the present embodiment, the lower end of the pressing plate 41 is provided with a plurality of conical heads 44, and the conical heads 44 can be inserted into the soil ground under the driving of the air cylinder 41 and the action of the gravity of the device, so as to further improve the stability of the core drilling sampling process;
in order to ensure that the sleeve 54 and the cutter 55 are positioned above the foundation pile to be detected when the mounting frame 1 is positioned on the soil ground, the core drilling mechanism 5 is arranged to be adjustable in position;
as shown in fig. 1-2, the supporting frame 51 is slidably connected to the mounting frame 1, two second fixing plates 13 are fixed to the upper end of the mounting frame 1, a second lead screw 8 is rotatably connected between the two second fixing plates 13, a third fixing plate 511 is disposed on the supporting frame 51, the second lead screw 8 penetrates through the third fixing plate 511 and is in threaded connection with the third fixing plate 511, a handle 81 is disposed at one end of the second lead screw 8, and an operator can adjust the sliding position of the supporting frame 51 by rotating the handle 81.
In the sampling process, multi-point sampling is usually required to be carried out on one foundation pile so as to ensure the reliability of the sampling result; in the actual operation process, in order to improve the convenience, the point changing sampling is realized by controlling the sliding of the support frame 51, so that the pressure plate 42 does not need to be lifted, the point changing is realized by moving the mounting frame 1, the sampling efficiency is greatly improved, and the workload is reduced;
however, when the pressing plate 42 contacts the ground, the third rack 761 is engaged with the third gear 75, and at this time, the mounting frame 1 needs to slide for point changing sampling, and due to the fixed connection between the sliding rod 62 and the second rack 71, the sliding of the mounting frame 1 interferes with the state of the pressing plate 42, so that the point changing sampling cannot be performed on the premise that the position of the mounting frame 1 is not fixed;
in order to solve the above technical problem, in the present embodiment, an adjustable fixed connection is provided between the second rack 71 and the sliding rod 62;
as shown in fig. 7-8, one end of the sliding rod 62 is provided with a positioning groove 623, one end of the second rack 71 is provided with a positioning rod 711, and the positioning rod 711 and the positioning groove 623 are mutually matched and can be connected in a sliding manner; a threaded hole 624 is formed in one side of the sliding rod 62, the threaded hole 624 is communicated with the positioning groove 623, and a screw is screwed into the threaded hole 624, so that the sliding rod 62 can be fixedly connected with the first rack 71;
when the pressure plate 42 is in contact with the ground and the sampling is needed to change points, the relative sliding between the sliding rod 62 and the first rack 71 can be released by disassembling the screw in the threaded hole 624, so that the state that the support frame 51 is interfered with the pressure plate 42 in the sliding adjustment is avoided.
A use method of a foundation pile detection device for construction engineering comprises the following steps:
s1, adjusting the drilling position: firstly, moving the mounting frame 1 to the soil ground, and moving the cutter 55 to the upper part of the foundation pile to be tested by controlling the support frame 51 to slide;
s2 wheel retracting support: the pressing plate 42 is contacted with the ground by controlling the air cylinder 41, and the universal wheel 2 is retracted to leave the ground;
s3 core drilling and sampling: the cutter 55 is rotated at a high speed by the second driving device 53, and the first driving device 57 is controlled to lower the connecting plate 52, so that drilling and sampling are completed; after reaching the designated depth, the connecting plate 52 is controlled to rise to the highest point, and the sample column is taken down for detection;
s4 dot changing sampling: the screw in the threaded hole 624 is removed, and the second screw rod 8 is rotated to realize the adjustment of the sampling position; the sliding rod 62 is pulled again, so that the clamping block 62 leaves the first lead screw 56; then, the screw is installed in the threaded hole 624, and the mutual fixation between the sliding rod 62 and the first rack 71 is completed; finally, in the repetition S3, the sampling is completed; and repeating the steps S3-S4 to realize multipoint sampling.
The working principle is as follows:
by arranging the pressing plate mechanism 4 on the mounting frame 1, the pressing plate 42 in the pressing plate mechanism 4 can be in contact with the ground to increase the stability of the device during sampling; the universal wheel 2 is controlled to turn over through the pressing plate mechanism 4, and before the pressing plate 42 is contacted with the ground, the universal wheel 2 leaves the ground, so that the fixing block 11 is contacted with the ground, the contact area of the device and the ground is further increased, the descending stroke of the pressing plate 42 is reduced, and the stability is improved; the locking mechanism 6 is arranged on the core drilling mechanism 5 to limit the operation of the core drilling mechanism 5, the linkage mechanism 7 is arranged to link the state of the pressure plate 42 with the state of the locking mechanism 6, the control of the core drilling sampling time of the core drilling mechanism 5 is realized, and only when the pressure plate 42 is in contact with the ground and the universal wheel 2 is turned and retracted, the sleeve 54 in the core drilling mechanism 5 can descend to finish the core drilling sampling, and when the core drilling sampling is carried out, the pressure plate 42 and the fixed block 11 are both in contact with the ground, so that the stability is improved; by arranging the adjustable fixed connection between the second rack 71 and the sliding rod 62, when the pressure plate 42 is in contact with the ground and the sampling is needed to be changed, the relative sliding between the sliding rod 62 and the first rack 71 can be released by disassembling the screw in the threaded hole 624, so that the state that the supporting frame 51 is interfered with the pressure plate 42 in the sliding adjustment is avoided.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (8)
1. A foundation pile detection device for constructional engineering comprises a mounting rack (1), and is characterized in that the lower end of the mounting rack (1) is provided with four fixed blocks (11), and the lower end of each fixed block (11) is provided with a universal wheel (2); a core drilling mechanism (5) is arranged on the mounting frame (1), and the core drilling mechanism (5) is used for drilling and sampling the foundation pile;
the mounting rack (1) is provided with a supporting plate (12), the supporting plate (12) is provided with a pressing plate mechanism (4), the pressing plate mechanism (4) comprises a cylinder (41) fixed at the upper end of the supporting plate (12), a pressing plate (42) is fixed on a driving shaft of the cylinder (41), and the cylinder (41) can control the pressing plate (41) to descend and can contact with the ground to bear force;
the upper end of the universal wheel (2) is provided with a connecting block (21), a rotating shaft (22) is arranged on the connecting block (21), and the rotating shaft (22) is rotatably connected with the fixed block (11); a first gear (3) is fixed on each rotating shaft (22), four first racks (43) are arranged on the pressing plate (42), and the four first racks (43) are meshed with the four first gears (3) respectively; when the pressing plate (42) is located at the highest position, the connecting block (21) on the universal wheel (2) is in a vertical state, and the universal wheel (2) can be in contact with the ground; the castor (2) is turned away from the ground before the pressure plate (42) is lowered into contact with the ground.
2. The foundation pile detection device for the building engineering according to claim 1, wherein the core drilling mechanism (5) comprises a support frame (51) installed on the mounting frame (1), a connecting plate (52) is connected to the support frame (51) in a sliding manner, the sliding direction is a vertical direction, a first screw rod (56) is connected to the support frame (51) in a rotating manner, the first screw rod (56) penetrates through the connecting plate (52) along the vertical direction and is in threaded connection with the connecting plate (52), and a first driving device (57) for driving the first screw rod (56) to rotate is fixed on the support frame (51), so that the control of the lifting movement of the connecting plate (52) is realized;
and a second driving device (53) is fixed on the connecting plate (52), a sleeve (54) is fixed on a driving shaft of the second driving device (53), the second driving device (53) is used for driving the sleeve (54) to rotate, and a cutter (55) is fixed at the lower end of the sleeve (54).
3. A foundation pile detection device for building engineering according to claim 2, wherein a locking mechanism (6) is mounted on the support frame (51), the locking mechanism (6) is used for limiting the rotation of the first screw rod (56);
locking mechanism (6) are including mount (61), and mount (61) are fixed on support frame (51), and sliding connection has slide bar (62) on mount (61), and the tip of slide bar (62) is provided with baffle (621), is provided with fixture block (622) on baffle (621), and the cover has spring (63) on slide bar (62), the both ends of spring (63) respectively with baffle (621) and mount (61) fixed connection, under the spring action of spring (63), fixture block (622) can with the helicla flute block on first lead screw (56).
4. The foundation pile detection device for the building engineering according to claim 3, wherein a linkage mechanism (7) is arranged on the mounting frame (1), and the linkage mechanism (7) is used for controlling the time when the locking mechanism (6) locks the first screw rod (56);
the linkage mechanism (7) comprises a first fixing plate (72) fixed on the supporting plate (12), a rotating rod (73) is connected to the first fixing plate (72) in a rotating mode, a second gear (74) and a third gear (75) are fixed to the rotating rod (73), a second rack (71) is connected to the supporting plate (12) in a sliding mode, one end of the second rack (71) is fixedly connected with the sliding rod (62), and the second rack (71) is meshed with the second gear (74); a connecting rod (76) is fixed at the upper end of the pressing plate (42), a third rack (761) is arranged at the upper end of the connecting rod (76), and in the descending process of the pressing plate (42), the third rack (761) on the connecting rod (76) can be meshed with the third gear (75) and drives the second rack (71) to slide towards one end far away from the first screw rod (56);
when the pressing plate (42) is located at the highest point, only the universal wheel (2) on the device is in contact with the ground, the third rack (761) is not meshed with the third gear (75), and at the moment, under the action of the elastic force of the spring (63), the clamping block (622) is clamped with the spiral groove on the first screw rod (56); when the pressure plate (42) moves to be in contact with the ground, the third rack (761) is meshed with the third gear (75) and drives the clamping block (622) to just leave the first screw rod (56).
5. The foundation pile detection device for the building engineering as claimed in claim 4, wherein the support frame (51) is slidably connected with the mounting frame (1), two second fixing plates (13) are fixed at the upper end of the mounting frame (1), a second screw rod (8) is rotatably connected between the two second fixing plates (13), a third fixing plate (511) is arranged on the support frame (51), and the second screw rod (8) penetrates through the third fixing plate (511) and is in threaded connection with the third fixing plate (511).
6. A foundation pile detection device for building engineering according to claim 5, characterized in that one end of the slide bar (62) is provided with a positioning groove (623), one end of the second rack (71) is provided with a positioning bar (711), and the positioning bar (711) is matched with and can be slidably connected with the positioning groove (623); one side of the sliding rod (62) is provided with a threaded hole (624), the threaded hole (624) is communicated with the positioning groove (623), a screw is screwed into the threaded hole (624), so that the sliding rod (62) can be fixedly connected with the first rack (71), and the screw in the threaded hole (624) is disassembled so that the sliding rod (62) and the first rack (71) can slide relatively.
7. A foundation pile detection device for building engineering according to claim 5, characterized in that the lower end of the pressure plate (41) is provided with a plurality of conical heads (44), and the conical heads (44) can be inserted into the soil ground under the driving of the air cylinders (41) and the action of the gravity of the device.
8. A method for inspecting foundation piles using the apparatus of claim 6, comprising the steps of:
s1 adjusting the drilling position: firstly, moving the mounting frame (1) to the soil ground, and then controlling the support frame (51) to slide to move the cutter (55) to the position above the foundation pile to be tested;
s2 wheel retracting support: the pressing plate (42) is contacted with the ground by controlling the air cylinder (41), and the universal wheel (2) is retracted to leave the ground;
s3 core drilling and sampling: the cutter (55) is rotated at a high speed by the second driving device (53), and the first driving device (57) is controlled to lower the connecting plate (52) to finish drilling and sampling; after reaching the designated depth, controlling the connecting plate (52) to ascend to the highest point, and taking down the sample column for detection;
s4 dot changing sampling: the screw in the threaded hole (624) is removed, and the second screw rod (8) is rotated to realize the adjustment of the sampling position; the sliding rod (62) is pulled again, so that the clamping block (62) leaves the first lead screw (56); then, the screw is arranged in the threaded hole (624), and the sliding rod (62) and the first rack (71) are fixed with each other; finally, in the repetition S3, the sampling is completed; and repeating the steps S3-S4 to realize multipoint sampling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210583611.8A CN114837239A (en) | 2022-05-25 | 2022-05-25 | Foundation pile detection device for constructional engineering and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210583611.8A CN114837239A (en) | 2022-05-25 | 2022-05-25 | Foundation pile detection device for constructional engineering and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114837239A true CN114837239A (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210583611.8A Withdrawn CN114837239A (en) | 2022-05-25 | 2022-05-25 | Foundation pile detection device for constructional engineering and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108275A (en) * | 2023-10-17 | 2023-11-24 | 山西恒标工程勘察检测有限公司 | Portable soil-taking drilling machine |
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2022
- 2022-05-25 CN CN202210583611.8A patent/CN114837239A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108275A (en) * | 2023-10-17 | 2023-11-24 | 山西恒标工程勘察检测有限公司 | Portable soil-taking drilling machine |
| CN117108275B (en) * | 2023-10-17 | 2024-01-02 | 山西恒标工程勘察检测有限公司 | Portable soil-taking drilling machine |
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