CN113790691B - Detection device and detection method for thickness of foundation engineering construction sediment - Google Patents
Detection device and detection method for thickness of foundation engineering construction sediment Download PDFInfo
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- CN113790691B CN113790691B CN202111366846.3A CN202111366846A CN113790691B CN 113790691 B CN113790691 B CN 113790691B CN 202111366846 A CN202111366846 A CN 202111366846A CN 113790691 B CN113790691 B CN 113790691B
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- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
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Abstract
A detection device and a detection method for thickness of sediment in foundation engineering construction relate to the technical field of engineering construction, and comprise a detection piece and a support piece, wherein the detection piece comprises a first telescopic rod and a second telescopic rod, the top end of the second telescopic rod is fixedly connected with the bottom end of the first telescopic rod, one end of the second telescopic rod, which is far away from the first telescopic rod, is fixedly connected with a detection rod head, a floating plate is sleeved at the top end of the first telescopic rod in a sliding manner, a limiting plate is fixedly sleeved at the top end of the second telescopic rod, the detection piece is installed on the support piece, and through the arrangement of the limiting plate and the floating plate, when the detection rod is used for detection, the stability of the detection rod during detection can be further improved, meanwhile, the limiting plate and the floating plate are arranged, so that the detection rod can be positioned when being used for detection, the detection of the thickness of sediment can be realized, and the filling depth can be detected, and the accuracy of the detection piece in detection can be effectively improved.
Description
Technical Field
The invention relates to engineering construction, in particular to a device and a method for detecting the sediment thickness in foundation engineering construction.
Background
The sediment refers to sediment left by sedimentation or hole collapse in the process of drilling and pouring and not taken away by circulating mud, when the sediment is too thick in foundation engineering construction, concrete falling by gravity can cause part of the sediment to be turned upwards, and a small amount of sediment is not turned up, so that the effect of resisting bending moment on the pile bottom is reduced, potential large deformation exists, and the stress and the stability of the pile body are not good, therefore, the sediment thickness is an important index in the construction process.
In the prior art, a patent with publication number CN212335992U discloses a cast-in-situ bored pile sediment thickness detection device, which includes a buckling ruler, a plurality of buckles arranged on a side wall of the buckling ruler, and a tray sleeved on the buckling ruler; the buckles are made of elastic materials and are sequentially arranged on the side wall of the buckling ruler, the buckles are right-angled triangular oblique teeth, and one right-angled side of each oblique tooth is connected to the side wall of the buckling ruler; the through hole is formed in the tray, the diameter of the through hole is smaller than the side length of the other right-angle side of the helical tooth, the pile foundation sediment thickness detection device is arranged through the buckling ruler, the buckle and the tray, after the pile foundation sediment is deposited, when the thickness of the pile foundation sediment needs to be measured, the buckling ruler slowly descends into the pile foundation hole at a constant speed, and along with descending of the buckling ruler, the buckling ruler stretches into the interior of the sediment under self gravity. The buckling ruler descends to a certain height, the tray contacts with the sediment at the bottom of the hole and continuously descends to be dragged by the sediment, an upward acting force is fed back, the tray stops on the upper surface of the sediment at the bottom of the hole and cannot continuously move downwards, the buckling ruler continuously descends under the self gravity by overcoming the resistance of the buckle made of the elastic material and the sediment until the buckling ruler reaches the bottom of the hole, the distance between the end part of the buckling ruler and the circular tray is the thickness of the sediment at the bottom of the hole, and the buckling ruler is lifted upwards to obtain the thickness detection device of the sediment of the bored pile, which can quickly and accurately measure the thickness of the sediment of the pile foundation, however, when the thickness detection device of the sediment contains the accumulated water in the bored pile, the hardness of the sediment in the accumulated water is reduced, so that the sediment thickness detection device is easily interfered by the buoyancy of the water in the detection process, and the detection error is caused, therefore, the device and the method for detecting the thickness of the foundation engineering construction sediment are provided.
Disclosure of Invention
The invention aims to provide a device for detecting the thickness of foundation engineering construction sediment, and the other aim is to provide a method for detecting the thickness of the foundation engineering construction sediment, which solves the problems in the background technology through a detection piece and a support piece.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a detection apparatus for ground foundation engineering construction sediment thickness, includes and detects the piece, it includes first telescopic link and second telescopic link to detect the piece, the top of second telescopic link and the bottom fixed connection of first telescopic link, the one end fixedly connected with that first telescopic link was kept away from to the second telescopic link detects the pole head, the top of first telescopic link is slided and has been cup jointed and float the board, the fixed coupling in top of second telescopic link has the limiting plate.
As a further scheme of the invention: including support piece, it installs on support piece to detect the piece, support piece includes installation cover, spacing pipe and a plurality of bracing piece, spacing pipe run through the installation cover and with installation cover fixed connection, it is a plurality of the bracing piece is with the side fixed connection of installation cover, and a plurality of bracing piece evenly distributed around the installation cover, fixed block, internal thread pipe and first threaded rod are installed to the bottom of bracing piece.
As a still further scheme of the invention: the utility model discloses a detection piece, including internal thread pipe and fixed block, first threaded rod, fixed block, detection piece, fixed block and fixed block fixed connection, the tip of first threaded rod and the bottom fixed connection of bracing piece, first threaded rod screw thread cup joints the inside at the internal thread pipe, the fixed block passes through internal thread pipe and first threaded rod and bracing piece threaded connection, the fixed block is the setting of round platform shape, the detection piece still includes the dead lever, fixed the cup jointing has the second threaded rod on the dead lever, the dead lever run through spacing pipe and with spacing tub of sliding connection, the side fixedly connected with twisting rod of installed part.
As a still further scheme of the invention: the mounting piece and the detection piece are mounted through the mounting piece, the mounting piece comprises a first mounting block and a second mounting block, a first sleeve hole is formed in the first mounting block, a second sleeve hole is formed in the second mounting block, the first sleeve hole and the second sleeve hole are in through connection, the diameter of the second sleeve hole is larger than that of the first sleeve hole, the first mounting block is sleeved on the second threaded rod through first sleeve hole threads, and the second mounting block is sleeved on the limiting pipe through second sleeve hole threads.
As a still further scheme of the invention: the support piece is placed directly over the foundation hole when detecting sediment thickness, the foundation hole includes foundation layer, sediment layer and fills the layer, the sediment level is in the top of foundation layer, it is located the top on sediment layer to fill the layer.
As a still further scheme of the invention: the twisting rod is arranged in an L shape.
A method of detection comprising the steps of: the installation of the detection piece, the regulation of support piece, the detection of sediment thickness, the detection of the degree of depth of filling.
As a still further scheme of the invention: the method specifically comprises the following steps:
s1, the detection piece is installed, firstly, the fixed rod fixedly connected with the first telescopic rod and the second telescopic rod in a contraction state penetrates through the limiting pipe at the bottom end of the support piece, the fixed rod is controlled to slide in the limiting pipe, the position between the detection piece and the support piece is adjusted, then the installation piece is sleeved on the fixed rod from top to bottom, when the first installation block on the installation piece is contacted with the second threaded rod on the fixed rod, the installation piece is rotated, at the moment, the diameter of the second sleeve hole is larger than that of the first sleeve hole, therefore, when the installation piece moves downwards, the second installation block on the installation piece is not contacted with the second threaded rod, the first installation block on the installation piece is fixedly connected with the second threaded rod, then, the installation piece is rotated along the second threaded rod until the second installation block on the installation piece is contacted with the limiting pipe, the second mounting block is controlled to rotate on the limiting pipe through the second trepan boring;
s2, adjusting a support piece, namely, after the detection piece is installed on the support piece through an installation piece, placing the detection piece above a foundation hole, wherein a fixing block is in contact with the ground, when the ground is arranged in a rugged state, the fixing block positioned at the lower side of the terrain is rotated, the fixing block is adjusted through rotation between a first threaded rod and an internal threaded pipe, so that a plurality of support rods are adjusted to the same horizontal plane, and at the moment, the detection piece inside the support piece is placed vertically;
s3, detecting the thickness of sediment, after the support piece is placed, controlling the first telescopic rod to move downwards until a limiting plate fixedly sleeved on the second telescopic rod is contacted with the top end of the sediment layer, the first telescopic rod does not extend any more, at the moment, because the floating plate is sleeved on the first telescopic rod in a sliding manner, the floating plate starts to move upwards under the buoyancy action of water in the downward movement process of the first telescopic rod, the floating plate is always positioned on the surface of the perfusion layer under the buoyancy action, at the moment, a sensing piece on the floating plate can detect the distance between the top end of the floating plate and the top end of the first telescopic rod, the sensing distance between the surface of the floating plate sensed by the floating plate and the top end of the first telescopic rod is subtracted from the length after the first telescopic rod extends, and the height S of the perfusion layer can be obtained;
and S4, detecting the pouring depth, and finally, controlling the second telescopic rod to extend until the bottom end of the detection rod head is contacted with the foundation layer, and stopping the movement of the second telescopic rod, wherein the sum of the extension length of the second telescopic rod and the length of the detection rod head is h, and the h is the depth of the sediment layer, so that the sediment thickness can be obtained.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the foundation sediment thickness and the pouring depth are detected by arranging the supporting piece and the detecting piece, thereby facilitating the proceeding of engineering construction, the detecting piece comprises a fixed rod, a first telescopic rod and a second telescopic rod, the pouring depth can be detected by arranging the first telescopic rod, the sediment depth can be detected by arranging the second telescopic rod, thereby judging the quality of the foundation construction, and the lengths of the first telescopic rod and the second telescopic rod extending into the sediment layer and the pouring layer are the sediment thickness and the pouring depth, thereby facilitating the detection of the sediment thickness and the pouring depth, solving the problem of low sediment thickness detection accuracy in the prior art, simultaneously, when the engineering detection is carried out by utilizing the prior art, the detecting piece is supported by the supporting piece, because the ground is uneven, thereby leading the detecting piece to be incapable of keeping a vertical state with the ground in the detection process, thereby lead to the drawback of deviation to appear in the testing result, through the bottom fixed block at support piece, internal thread pipe and first threaded rod, can adjust the bracing piece to ensure that a plurality of bracing pieces are on same horizontal plane, support piece is when supporting the detection piece, can further carry on spacingly to the detection piece, ensure to detect that a and ground are the vertical state, thereby solved the drawback among the prior art, promoted the accuracy of detection piece when detecting sediment thickness.
2. The mounting parts are arranged on the supporting part and the detection part and consist of a first mounting block and a second mounting block by arranging the mounting parts, a first sleeve hole is arranged in the first mounting block, a second sleeve hole is arranged in the second mounting block, and the diameter of the second sleeve hole is larger than that of the first sleeve hole, so that after the detection part penetrates through the supporting part, the mounting parts slide downwards from the top end of the detection part until the second sleeve hole is contacted with the second threaded rod, the mounting parts are controlled to rotate on the outer surfaces of the second threaded rod and the limiting pipe, the mounting between the detection part and the supporting part is realized, the stability of the detection part in the detection process is improved, the detection of the detection part on the sediment thickness and the perfusion depth is facilitated, the mounting parts can control the rotation of the detection part, when stones are contained in the sediment layer, the rotating detection part can push the stones, thereby be convenient for the bottom of detecting the piece extend to the bottom on sediment layer, solved the drawback that the detection piece after spacing can't promote the stone in the sediment layer.
3. Through the setting of limiting plate and showy board, when detecting a piece and detecting, can further promote the stability of detecting a piece when detecting, simultaneously, the setting of limiting plate and showy board can be fixed a position when detecting a piece to promote the accuracy that detects when detecting.
Drawings
Fig. 1 is a schematic perspective view of a support member in a device for detecting the thickness of sediment in foundation engineering construction.
Fig. 2 is a schematic perspective view of a detection piece in the detection device for the thickness of the sediment in foundation engineering construction.
Fig. 3 is a schematic perspective view of the detecting member of fig. 2 mounted in the supporting member.
Fig. 4 is a schematic perspective view of the detecting member and the supporting member of fig. 3 after being mounted by the mounting member.
Fig. 5 is an enlarged view of a point a in fig. 1.
Fig. 6 is a perspective view of the mounting member of fig. 4.
Fig. 7 is a schematic structural view of a foundation to be detected.
Fig. 8 is a schematic structural view of the detection device for detecting the thickness of the sediment.
Fig. 9 is an enlarged view at B in fig. 8.
Fig. 10 is a schematic view of the structure of fig. 8 in which the floating plate is installed.
Fig. 11 is a schematic structural diagram after detecting the thicknesses of the sediment layer and the perfusion layer by using a detection device.
In the figure: 10. a support member; 11. installing a sleeve; 12. a limiting pipe; 13. a support bar; 14. a fixed block; 15. an internally threaded tube; 16. a first threaded rod; 20. a detection member; 21. fixing the rod; 211. a second threaded rod; 22. a first telescopic rod; 23. a second telescopic rod; 231. detecting the club head; 24. a limiting plate; 25. a floating plate; 30. a mounting member; 31. a first mounting block; 311. a first trepan boring; 32. a second mounting block; 321. a second trepan boring; 33. screwing the rod; 40. a foundation hole; 41. a ground layer; 42. a slag layer; 43. and (6) pouring the layer.
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.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 11, in an embodiment of the present invention, a device for detecting a thickness of sediment in foundation engineering construction includes a supporting member 10 and a detecting member 20, where the supporting member 10 includes an installation sleeve 11, a limiting tube 12 and a plurality of supporting rods 13, the limiting tube 12 penetrates through the installation sleeve 11 and is fixedly connected with the installation sleeve 11, the plurality of supporting rods 13 are fixedly connected with a side surface of the installation sleeve 11, the plurality of supporting rods 13 are uniformly distributed around the installation sleeve 11, a fixing block 14, an internal threaded tube 15 and a first threaded rod 16 are installed at a bottom end of the supporting rod 13, the internal threaded tube 15 is fixedly connected with the fixing block 14, an end of the first threaded rod 16 is fixedly connected with a bottom end of the supporting rod 13, the first threaded rod 16 is threadedly sleeved inside the internal threaded tube 15, the fixing block 14 is threadedly connected with the supporting rod 13 through the internal threaded tube 15 and the first threaded rod 16, the fixed block 14 is a truncated cone-shaped arrangement, the detection piece 20 comprises a fixed rod 21, a first telescopic rod 22 and a second telescopic rod 23, the top end of the first telescopic rod 22 is fixedly connected with the bottom end of the fixed rod 21, the end of the first telescopic rod 22 far away from the fixed rod 21 is fixedly connected with the top end of the second telescopic rod 23, the end of the second telescopic rod 23 far away from the first telescopic rod 22 is fixedly connected with a detection rod head 231, the fixed rod 21 is fixedly sleeved with a second threaded rod 211, the foundation sediment thickness and the perfusion depth are detected by arranging the support piece 10 and the detection piece 20, so that the engineering construction is facilitated, the perfusion depth can be detected by arranging the first telescopic rod 22, the perfusion depth can be detected by arranging the second telescopic rod 23, the quality of the foundation construction is judged, and the lengths of the first telescopic rod 22 and the second telescopic rod 23 extending into the sediment layer 42 and the perfusion layer 43 are the sediment thickness and the perfusion depth, thereby facilitating the detection of the sediment thickness and the filling depth, solving the problem of low sediment thickness detection accuracy in the prior art, simultaneously, when the support member 10 supports the detection member 20 by using the prior art for engineering detection, the detection member 20 can not keep a vertical state with the ground in the detection process due to the detection of the uneven ground, thereby causing the defect of deviation of the detection result, the support rod 13 can be adjusted by the bottom fixing block 14, the internal thread pipe 15 and the first threaded rod 16 of the support member 10, thereby ensuring that the plurality of support rods 13 are on the same horizontal plane, the support member 10 can further limit the detection member 20 while supporting the detection member 20, thereby ensuring that the detection member 20 is in a vertical state with the ground, thereby solving the defects in the prior art, and improving the accuracy of the detection member 20 in detecting the sediment thickness, first telescopic link 22 has slided to cup jointed near the junction of dead lever 21 bottom and has floated board 25, the fixed cover in top of second telescopic link 23 has connect limiting plate 24, limiting plate 24's bottom is the arc setting, through limiting plate 24 and the setting of floating board 25, when detecting 20 detects, can further promote the stability of detecting 20 when detecting, and simultaneously, limiting plate 24 and floating board 25's setting can fix a position when detecting 20 detects to promote the accuracy that detects 20 and detect time measuring.
The supporting member 10 and the detecting member 20 are installed through the installation member 30, the fixing rod 21 penetrates through the limiting pipe 12 and is connected with the limiting pipe 12 in a sliding manner, a screwing rod 33 is fixedly connected to the side face of the installation member 30, the screwing rod 33 is arranged in an L shape, the screwing rod 33 arranged in the L shape can facilitate the rotating operation of an operator on the installation member 30, the installation member 30 comprises a first installation block 31 and a second installation block 32, a first sleeve hole 311 is formed in the first installation block 31, a second sleeve hole 321 is formed in the second installation block 32, the first sleeve hole 311 is in through connection with the second sleeve hole 321, the diameter of the second sleeve hole 321 is larger than that of the first sleeve hole 311, the first installation block 31 is sleeved on the second threaded rod 211 through a first sleeve hole 311, the second installation block 32 is sleeved on the limiting pipe 12 through a second sleeve hole 321, the detection member 20 is fixedly connected with the support member 10 through the mounting member 30, the mounting member 30 is arranged on the support member 10 and the detection member 20, the mounting member 30 is composed of a first mounting block 31 and a second mounting block 32, a first sleeve hole 311 is arranged inside the first mounting block 31, a second sleeve hole 321 is arranged inside the second mounting block 32, and the diameter of the second sleeve hole 321 is larger than that of the first sleeve hole 311, therefore, after the detection member 20 passes through the support member 10, the mounting member 30 slides downwards from the top end of the detection member 20 until the second sleeve hole 321 is contacted with the second threaded rod 211, the mounting member 30 is controlled to rotate on the outer surfaces of the second threaded rod 211 and the limiting pipe 12, so that the mounting between the detection member 20 and the support member 10 is realized, the stability of the detection member 20 in the detection process is improved, the detection of the detection member 20 on the sediment thickness and the pouring depth is facilitated, and the mounting member 30 is arranged, can control and detect piece 20 rotation, when containing the stone in sediment layer 42, pivoted detection piece 20 can promote the stone to be convenient for the bottom of detection piece 20 extends to sediment layer 42's bottom, has solved the drawback that detection piece 20 after spacing can't promote in sediment layer 42 stone, support piece 10 places ground hole 40 directly over when detecting sediment thickness, ground hole 40 includes ground layer 41, sediment layer 42 and fills layer 43, sediment layer 42 is located ground layer 41's top, it is located sediment layer 42's top to fill layer 43.
A method of detection comprising the steps of: the installation of the detection member 20, the adjustment of the support member 10, the detection of the sediment thickness, and the detection of the pouring depth.
The method specifically comprises the following steps:
s1, the detection member 20 is installed by first passing the fixing rod 21 fixedly connected with the first telescopic rod 22 and the second telescopic rod 23 in a contraction state through the limiting tube 12 at the bottom end of the support member 10, controlling the fixing rod 21 to slide in the limiting tube 12, adjusting the position between the detection member 20 and the support member 10, then sleeving the installation member 30 on the fixing rod 21 from top to bottom, rotating the installation member 30 when the first installation block 31 on the installation member 30 contacts with the second threaded rod 211 on the fixing rod 21, at this time, because the diameter of the second sleeve hole 321 is larger than the diameter of the first sleeve hole 311, when the installation member 30 moves downwards, the second installation block 32 on the installation member 30 does not contact with the second threaded rod 211, the first installation block 31 on the installation member 30 contacts with the second threaded rod 211, and the first installation block 31 on the installation member 30 is fixedly connected with the second threaded rod 211, then, the rotating mounting member 30 continues to rotate along the second threaded rod 211 until the second mounting block 32 on the mounting member 30 contacts the limiting tube 12, and the second mounting block 32 is controlled to rotate on the limiting tube 12 through the second trepan boring 321;
s2, adjusting the supporting piece 10, namely, after the detection piece 20 is installed on the supporting piece 10 through the installation piece 30, placing the detection piece above the foundation hole 40, wherein the fixing block 14 is in contact with the ground, when the ground is arranged in a rugged state, the fixing block 14 which is positioned at the lower side of the terrain is rotated, and the fixing block 14 is adjusted through the rotation between the first threaded rod 16 and the internal threaded pipe 15, so that the plurality of support rods 13 are adjusted to be on the same horizontal plane, and at the moment, the detection piece 20 in the supporting piece 10 is vertically placed;
s3: the sediment thickness is detected, after the supporting piece 10 is placed, the first telescopic rod 22 is controlled to move downwards until the limiting plate 24 fixedly sleeved on the second telescopic rod 23 is contacted with the top end of the sediment layer 42, the first telescopic rod 22 is not extended any more, and at this time, since the floating plate 25 is slidably sleeved on the first telescopic rod 22, therefore, the floating plate 25 starts to move upwards under the buoyancy of water in the downward movement process of the first telescopic rod 22, and the floating plate 25 is always positioned on the surface of the perfusion layer 43 under the buoyancy, at this time, the sensing piece on the floating plate 25 can detect the distance between the top end of the floating plate 25 and the top end of the first telescopic rod 22, and the sensing distance between the surface of the floating plate 25 and the top end of the first telescopic rod 22 sensed by the floating plate 25 is subtracted from the extended length of the first telescopic rod 22, so that the height S of the perfusion layer 43 can be obtained;
s4, detecting the perfusion depth, and finally, controlling the second telescopic rod 23 to extend until the bottom end of the detection rod head 231 is in contact with the foundation layer 41, and stopping the movement of the second telescopic rod 23, wherein the sum of the length of the second telescopic rod 23 and the length of the detection rod head 231 is h, and the h is the depth of the sediment layer 42, so that the sediment thickness can be obtained.
The working principle of the invention is as follows:
first, it should be noted that, the first telescopic rod 22 and the second telescopic rod 23 are electrically controlled telescopic rods, and the moving distance of the first telescopic rod 22 and the second telescopic rod 23 is displayed by numerical control, the floating plate 25 is sensed with the top end of the first telescopic rod 22, and the sensed data of the floating plate 25 is also displayed by numerical control, the fixing rod 21 fixedly connected with the first telescopic rod 22 and the second telescopic rod 23 in the contracted state is passed through the limiting tube 12 at the bottom end of the supporting member 10, the fixing rod 21 is controlled to slide in the limiting tube 12, the position between the detecting member 20 and the supporting member 10 is adjusted, then, the mounting member 30 is sleeved on the fixing rod 21 from top to bottom, when the first mounting block 31 on the mounting member 30 is contacted with the second threaded rod 211 on the fixing rod 21, the mounting member 30 is rotated, at this time, because the diameter of the second sleeve hole 321 is greater than the diameter of the first sleeve hole 311, when the mounting member 30 moves downwards, the second mounting block 32 on the mounting member 30 is not in contact with the second threaded rod 211, the first mounting block 31 on the mounting member 30 is in contact with the second threaded rod 211, so that the first mounting block 31 on the mounting member 30 is fixedly connected with the second threaded rod 211, then, the mounting member 30 is rotated continuously along the second threaded rod 211 until the second mounting block 32 on the mounting member 30 is in contact with the limiting tube 12, the second mounting block 32 is controlled to rotate on the limiting tube 12 through the second sleeve hole 321, the fixing rod 21 is controlled to move up and down through the second mounting block 32 and the limiting tube 12, so that the vertical position of the fixing rod 21 is adjusted, the detection member 20 is mounted on the support member 10 through the mounting member 30 and then placed above the foundation hole 40, at the moment, the fixing block 14 is in contact with the ground, when the uneven ground surface is arranged, the fixing block 14 positioned at the lower side of the ground potential is rotated, the fixing block 14 is adjusted by the rotation between the first threaded rod 16 and the internally threaded tube 15, so that the plurality of support rods 13 are adjusted to the same horizontal plane, and at this time, the detecting member 20 inside the supporting member 10 is vertically placed.
After the support member 10 is placed, the first telescopic rod 22 is controlled to move downwards until the limiting plate 24 fixedly sleeved on the second telescopic rod 23 contacts with the top end of the sediment layer 42, the first telescopic rod 22 does not extend any more, at this time, because the floating plate 25 is slidably sleeved on the first telescopic rod 22, the floating plate 25 starts to move upwards under the buoyancy of water in the downward movement process of the first telescopic rod 22, the floating plate 25 is always positioned on the surface of the perfusion layer 43 under the buoyancy, at this time, the sensing member on the floating plate 25 can detect the distance between the top end of the floating plate 25 and the top end of the first telescopic rod 22, the sensing distance is subtracted from the length after the first telescopic rod 22 extends, the height S of the perfusion layer 43 can be obtained, then, the second telescopic rod 23 is controlled to extend until the bottom end of the detection rod head 231 contacts with the ground base layer 41, and the movement of the second telescopic rod 23 is stopped, at this moment, the length that second telescopic link 23 extends is h with detection pole head 231 length sum, h is the degree of depth of sediment layer 42 promptly, can derive sediment thickness, extend the in-process in second telescopic link 23 in sediment layer 42, the bottom of second telescopic link 23 meets the stone and is, control installed part 30 drives dead lever 21 and rotates, pivoted second telescopic link 23 provides horizontal driving force to the stone, thereby can effectually prevent the stone in the vertical downstream of second telescopic link 23, the stone blocks second telescopic link 23, thereby realize the detection of sediment thickness.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a detection apparatus for ground foundation engineering construction sediment thickness, includes detects piece (20), its characterized in that, it includes first telescopic link (22) and second telescopic link (23) to detect piece (20), the top of second telescopic link (23) and the bottom fixed connection of first telescopic link (22), the one end fixedly connected with detection pole head (231) of first telescopic link (22) are kept away from in second telescopic link (23), the top of first telescopic link (22) is slided and is cup jointed and float board (25), the fixed limiting plate (24) that has cup jointed in top of second telescopic link (23) still includes support piece (10), detect piece (20) are installed on support piece (10), support piece (10) are including installation cover (11), spacing pipe (12) and a plurality of bracing piece (13), spacing pipe (12) run through installation cover (11) and with installation cover (11) fixed connection, the detection device further comprises a mounting piece (30), the mounting piece (30) comprises a first mounting block (31) and a second mounting block (32), a first trepan boring (311) is formed in the first mounting block (31), a second trepan boring (321) is formed in the second mounting block (32), the first trepan boring (311) and the second trepan boring (321) are connected in a penetrating mode, the diameter of the second trepan boring (321) is larger than that of the first trepan boring (311), the first mounting block (31) is sleeved on the second threaded rod (211) through the first trepan boring (311) in a threaded mode, and the second mounting block (32) is sleeved on the limiting pipe (12) through the second trepan boring (321) in a threaded mode.
2. The device for detecting the thickness of the foundation engineering construction sediments according to claim 1, wherein the supporting rods (13) are fixedly connected with the side surface of the mounting sleeve (11), the supporting rods (13) are uniformly distributed around the mounting sleeve (11), and the bottom ends of the supporting rods (13) are provided with a fixed block (14), an internal thread pipe (15) and a first threaded rod (16).
3. The device for detecting the thickness of the sediment in the foundation engineering construction according to claim 2, wherein the internal thread tube (15) is fixedly connected with a fixed block (14), the end of the first threaded rod (16) is fixedly connected with the bottom end of the support rod (13), the first threaded rod (16) is sleeved in the internal thread tube (15) in a threaded manner, the fixed block (14) is connected with the support rod (13) in a threaded manner through the internal thread tube (15) and the first threaded rod (16), the fixed block (14) is arranged in a truncated cone shape, the detection piece (20) further comprises a fixed rod (21), the fixed rod (21) is fixedly sleeved with a second threaded rod (211), the fixed rod (21) penetrates through the limit tube (12) and is connected with the limit tube (12) in a sliding manner, the side surface of the mounting piece (30) is fixedly connected with a screwing rod (33), the support member (10) and the detection member (20) are mounted by a mounting member (30).
4. The apparatus for detecting the thickness of the sediment generated in the foundation engineering construction according to claim 3, wherein the supporting member (10) is placed right above the foundation hole (40) when detecting the thickness of the sediment, the foundation hole (40) comprises a foundation layer (41), a sediment layer (42) and a pouring layer (43), the sediment layer (42) is positioned above the foundation layer (41), and the pouring layer (43) is positioned above the sediment layer (42).
5. The device for detecting the thickness of the foundation engineering construction sediments according to claim 4, wherein the screwing rod (33) is arranged in an L shape.
6. A detection method comprising the device for detecting the thickness of the foundation engineering construction sediments as claimed in claim 5, and is characterized by comprising the following steps: the method comprises the steps of installing a detection piece (20), adjusting a support piece (10), detecting the thickness of sediments and detecting the pouring depth.
7. The detection method according to claim 6, characterized by comprising the following steps:
s1, the detection piece (20) is installed, firstly, a fixed rod (21) fixedly connected with a first telescopic rod (22) and a second telescopic rod (23) in a contraction state penetrates through a limiting pipe (12) at the bottom end of a support piece (10), the fixed rod (21) is controlled to slide in the limiting pipe (12), the position between the detection piece (20) and the support piece (10) is adjusted, then, an installation piece (30) is sleeved on the fixed rod (21) from top to bottom, when a first installation block (31) on the installation piece (30) is contacted with a second threaded rod (211) on the fixed rod (21), the installation piece (30) is rotated, at the moment, because the diameter of a second sleeve hole (321) is larger than that of a first sleeve hole (311), when the installation piece (30) moves downwards, a second installation block (32) on the installation piece (30) is not contacted with the second threaded rod (211), the first mounting block (31) on the mounting piece (30) is contacted with the second threaded rod (211), so that the first mounting block (31) on the mounting piece (30) is fixedly connected with the second threaded rod (211), then, the mounting piece (30) is rotated continuously along the second threaded rod (211) until the second mounting block (32) on the mounting piece (30) is contacted with the limiting pipe (12), and the second mounting block (32) is controlled to rotate on the limiting pipe (12) through the second sleeve hole (321);
s2, adjusting a supporting piece (10), namely, after a detection piece (20) is installed on the supporting piece (10) through an installation piece (30), placing the detection piece above a foundation hole (40), at the moment, enabling a fixing block (14) to be in contact with the ground, rotating the fixing block (14) positioned on the lower side of the ground when the ground is in a rugged state, adjusting the fixing block (14) through rotation between a first threaded rod (16) and an internal threaded pipe (15), so that a plurality of support rods (13) are adjusted to the same horizontal plane, and at the moment, vertically placing the detection piece (20) inside the supporting piece (10);
s3, detecting the thickness of sediment, after the support piece (10) is placed, controlling the first telescopic rod (22) to move downwards until a limiting plate (24) fixedly sleeved on the second telescopic rod (23) is contacted with the top end of the sediment layer (42), the first telescopic rod (22) does not extend any more, at the moment, because the floating plate (25) is sleeved on the first telescopic rod (22) in a sliding manner, the floating plate (25) starts to move upwards under the buoyancy action of water in the downward movement process of the first telescopic rod (22), the floating plate (25) is always positioned on the surface of the filling layer (43) under the buoyancy action, at the moment, a sensing piece on the floating plate (25) can detect the distance between the top end of the floating plate (25) and the top end of the first telescopic rod (22), and the sensing distance between the surface of the floating plate (25) and the top end of the first telescopic rod (22) is subtracted from the extended length of the first telescopic rod (22), the height S of the perfusion layer (43) can be obtained;
and S4, detecting the perfusion depth, and finally, controlling the second telescopic rod (23) to extend until the bottom end of the detection rod head (231) is contacted with the foundation layer (41), and stopping the movement of the second telescopic rod (23), wherein the sum of the extension length of the second telescopic rod (23) and the length of the detection rod head (231) is h, and the h is the depth of the sediment layer (42), so that the sediment thickness can be obtained.
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