CN112878390A - Low positioner that meets an emergency method detection pile foundation integrality - Google Patents
Low positioner that meets an emergency method detection pile foundation integrality Download PDFInfo
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- CN112878390A CN112878390A CN202110034234.8A CN202110034234A CN112878390A CN 112878390 A CN112878390 A CN 112878390A CN 202110034234 A CN202110034234 A CN 202110034234A CN 112878390 A CN112878390 A CN 112878390A
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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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Abstract
The positioning device comprises a connecting ring and a connecting rod positioned at the central position of the connecting ring, wherein a plurality of positioning rods are arranged on the connecting rod along the circumferential position of the connecting rod, each positioning rod is arranged along the radial direction of the connecting ring, scales are arranged on the positioning rods, an installation ring is sleeved and connected on each positioning rod in a sliding manner, a fixing piece used for fixing the installation ring to any position on each positioning rod is arranged on the installation ring, and a connecting piece used for detachably connecting a measuring sensor on the installation ring is arranged on the installation ring; this application has the advantage of being convenient for fix a position measurement sensor.
Description
Technical Field
The application relates to the field of pile foundation detection, in particular to a positioning device for detecting integrity of a pile foundation by a low strain method.
Background
The basic principle of the low-strain reflected wave integrity diagnosis method is that according to the one-dimensional fluctuation theory of the pile, different reflected wave characteristics generated by impedance changes of the hammering incident wave of the pile top at the variable cross section and the pile tip are utilized to judge the length and the non-integrity of the pile. The excitation point of pile foundation should be selected at the stake center, place measuring transducer in the pile foundation on, in order to prevent to cause the influence to the excitation point, possess better measuring effect to the pile foundation simultaneously, all set up a plurality of measuring transducer along the circumferential position of pile bolck in 2/3 radius departments apart from the stake center.
The application publication number CN110924454A discloses a multi-point low-strain detection method for foundation pile integrity, which is characterized in that when a knocking action is performed at a test point, signal data of a plurality of test points from a pile top sensor are subjected to average processing analysis to judge whether a foundation pile has a defect, that is, a low-strain dynamic measurement method is adopted to judge and analyze the integrity of the foundation pile; and when the pile body is judged to be incomplete, qualitatively analyzing the internal defects of the foundation pile by using an ultrasonic detection method, and acquiring the size, the properties and the like of the defects of the foundation pile.
With respect to the related art among the above, the inventors consider that the following technical drawbacks exist: when the position of each measuring sensor needs to be determined, an operator needs to draw a plurality of lines on the pile top along the longest diameter of the pile top by adopting a measuring ruler to determine the central position of the pile top, then one end of the measuring ruler is placed at the central position of the pile top, the radius 2/3 from the center of the pile is determined according to the scale on the measuring ruler, and the sensors are installed and fixed after the determination.
Disclosure of Invention
In order to facilitate the location to a plurality of measuring transducer's position, this application provides a positioner that low strain method detected pile foundation integrality.
The application provides a low positioner who meets an emergency method and detects pile foundation integrality adopts following technical scheme:
the utility model provides a low law of meeting an emergency detects positioner of pile foundation integrality, includes go-between and the connecting rod that is located the central point of go-between and puts the department, the circumference position along the connecting rod on the connecting rod is provided with a plurality of locating levers, every the locating lever all sets up along the radius direction of go-between, be provided with the scale on the locating lever, the cover is established and sliding connection has the installation circle on the locating lever, be provided with on the installation circle and be used for fixing the installation circle to the mounting of optional position on the locating lever, be provided with on the installation circle and be used for the connecting piece on the installation circle.
By adopting the technical scheme, the connecting ring is sleeved on the pile foundation, the radius of the center 2/3 of the pile is determined according to the scale of the positioning rod, the position of the mounting ring is fixed to the position where the measuring sensor needs to be mounted through the fixing piece, and the measuring sensor is fixed through the connecting piece, so that the measuring sensor is fixed to the mounting ring, the pile foundation is prevented from driving the measuring sensor to move when vibrating, and the measuring effect of the measuring sensor is improved; the position of pile core can be confirmed with the go-between cover on the pile foundation to operating personnel, can learn a plurality of measuring transducer's mounted position through the scale, is convenient for fix a position and install measuring transducer.
Optionally, the connecting ring is an elastic ring having elasticity, and the positioning rod is an elastic rod having elasticity.
Through adopting above-mentioned technical scheme, set up the go-between into the elastic ring for the elastic ring is applicable in the pile foundation of different diameters, when the elastic ring resists the elasticity of self flexible, can drive a plurality of elastic rod that have flexible simultaneously flexible, and the elastic rod synchronous telescope is followed to the scale this moment, makes the go-between drive the locating lever be applicable to the pile foundation of different diameters, all can accomplish measuring transducer's location to the pile foundation of different diameters, has improved whole positioner's suitability.
Optionally, the fixing member includes a connecting bolt inserted through and screwed to the mounting ring.
Through adopting above-mentioned technical scheme, be located the mounting collar with connecting bolt and twist for connecting bolt's pole portion supports tightly to the locating lever on, thereby has increased the frictional force between connecting bolt and the locating lever, has improved the fixed effect to the installation cover, and be convenient for adjust the position of installation cover.
Optionally, the connecting piece is including setting up the arc on the installation cover lateral wall relatively, both sides the notch of arc is relative setting, one side that just is located every arc on the installation cover all is provided with the fixed plate, the edge-fixed that the arc is close to the installation cover is provided with and is used for wearing to establish and rotate the axis of rotation of connection on the fixed plate, the cover is equipped with the torsional spring in the axis of rotation, the one end fixed connection of torsional spring is on the arc, other end fixed connection to on the fixed plate.
Through adopting above-mentioned technical scheme, after arranging measuring sensor in between the both sides arc, the torsion butt that the torsional spring can be resisted to the measuring sensor in the both sides arc to make measuring sensor fixed sheathe in to the installation, after taking off measuring sensor as required, through drive measuring sensor hard lie in shift out between the both sides arc can, the fixed effect that adopts setting up of arc and torsional spring to measuring sensor is better, and be convenient for adjust measuring sensor's position.
Optionally, a first adjusting groove has been seted up to the hoop on the connecting rod, joint and sliding connection have a plurality of first regulating blocks in the first adjusting groove, the go-between has seted up the second adjusting groove towards the face of connecting rod in the hoop, it sets up a plurality of second regulating blocks to slide in the second adjusting groove, and is a plurality of the second regulating block is the one-to-one setting with a plurality of first regulating blocks, and is a plurality of the locating lever is the one-to-one setting with a plurality of first regulating blocks, the locating lever sets up between first regulating block and second regulating block.
Through adopting above-mentioned technical scheme, the setting of first regulating block, first adjustment tank, second regulating block and second adjustment tank is convenient for adjust the position of every locating lever to under the prerequisite that need not to drive whole go-between pivoted, be convenient for fix the optional position to the pile top with measuring sensor, further improved whole positioner's result of use.
Optionally, one end of the connecting rod and one side edge of the connecting ring are located on the same horizontal plane, the length of the connecting rod is half of the width of the connecting ring in the axial direction of the connecting rod, the first adjusting groove is located in the middle of the connecting rod, and the second adjusting groove and the first adjusting groove are located on the same horizontal plane.
Through adopting above-mentioned technical scheme, when establishing the go-between cover on the pile foundation, can drive a plurality of locating levers and be located the top of pile foundation to prevented locating lever and pile foundation butt, thereby improved the locating lever and resisted the tensile effect of self elasticity, prevented that inhomogeneous tensile from appearing in the locating lever, thereby improved the accurate nature when fixing a position to measuring transducer.
Optionally, a first guide cylinder is fixedly arranged on the first adjusting block, the first guide cylinder deviates from the first adjusting block and is provided with an opening, a second guide cylinder is fixedly arranged on the second adjusting block and deviates from the second adjusting block and is provided with an opening, one end of the positioning rod is fixedly arranged on the bottom wall of the first guide cylinder, and the other end of the positioning rod is fixedly arranged on the bottom wall of the second guide cylinder.
Through adopting above-mentioned technical scheme, first guide cylinder and second guide cylinder can play the effect of direction to a certain extent to the drawing and the compression of locating lever, and operating personnel can learn whether the locating lever sets up along the radius direction of holding ring through observing the both ends of locating lever and the state between first guide cylinder and the second guide cylinder to further improve the location accuracy nature to measuring sensor.
Optionally, the cross-sectional area of the positioning rod is smaller than the cross-sectional areas of the first guide cylinder and the second guide cylinder.
Through adopting above-mentioned technical scheme, be less than the cross sectional area of first guide cylinder and second guide cylinder with the cross sectional area of locating lever, through the clearance between the tip of observing the locating lever and first guide cylinder and the second guide cylinder inner wall to be convenient for learn the locating lever whether along the radius direction setting of go-between, the state of the locating lever of the operating personnel observation of further being convenient for has further improved measuring sensor's location accuracy.
Optionally, a first positioning piece used for fixing the first adjusting block to any position in the first adjusting groove is arranged on the first adjusting block, and a second positioning piece used for fixing the second adjusting block to any position in the second adjusting groove is arranged on the second adjusting block.
Through adopting above-mentioned technical scheme, first setting element can be fixed the first regulating block to the optional position in the first regulating flume, and the second setting element can be fixed the second regulating block to the optional position in the second regulating flume to make the locating lever fixed to between connecting rod and the go-between, drive the locating lever when preventing the pile foundation vibration and remove, improved the fixed effect that the locating lever drove measuring transducer.
Optionally, the first positioning element includes a first abutting bolt penetrating through and threaded connected to the first adjusting block, and the second positioning element includes a second abutting bolt penetrating through and threaded connected to the second adjusting block.
By adopting the technical scheme, the first abutting bolt is driven to be positioned on the first adjusting block and screwed, so that the first abutting bolt abuts against the bottom wall of the first adjusting groove, the friction force between the first adjusting block and the first adjusting groove is increased, the fixing effect of the first adjusting block is improved, and the position of the first adjusting block is convenient to adjust; the second butt bolt is located the second regulating block and is twisted to move through driving for the second butt bolt butt connects to the diapire of second adjustment tank, thereby has increased the frictional force between second regulating block and the second adjustment tank, has improved the fixed effect to the second regulating block, and is convenient for adjust the position of second regulating block.
In summary, the present application includes at least one of the following beneficial technical effects:
the connecting ring is sleeved on the pile foundation, the radius of the center 2/3 of the pile foundation is determined according to the scale of the positioning rod, the position of the mounting ring is fixed to the position where a measuring sensor needs to be mounted through the fixing piece, and the measuring sensor is fixed through the connecting piece, so that the measuring sensor is fixed to the mounting ring, the pile foundation is prevented from driving the measuring sensor to move when vibrating, and the measuring effect of the measuring sensor is improved; an operator can determine the position of the pile core by sleeving the connecting ring on the pile foundation, and can know the installation positions of the plurality of measuring sensors through the scales, so that the measuring sensors can be conveniently positioned and installed;
the setting of first regulating block, first adjustment tank, second regulating block and second adjustment tank is convenient for adjust the position of every locating lever to need not to drive under whole go-between pivoted prerequisite, be convenient for fix the optional position to the pile bolck with measuring sensor, further improved whole positioner's result of use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic structural diagram of a mounting ring according to an embodiment of the present application.
Description of reference numerals: 1. a connecting ring; 11. a connecting rod; 111. a first regulating groove; 112. a first regulating block; 113. a first abutment bolt; 114. a first guide cylinder; 12. positioning a rod; 121. calibration; 122. a second regulating groove; 123. a second regulating block; 124. a second abutment bolt; 125. a second guide cylinder; 13. installing a ring; 131. a connecting bolt; 132. an arc-shaped plate; 133. a fixing plate; 134. a rotating shaft; 135. a torsion spring; 136. a rubber pad; 14. and (4) strip-shaped holes.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses positioner of low method of meeting an emergency detection pile foundation integrality. With reference to fig. 1 and 2, a positioning device for detecting integrity of a pile foundation by a low strain method includes a connecting ring 1 and a connecting rod 11 located at a central position of the connecting ring 1, wherein the connecting ring 1 is configured as an elastic ring having elasticity, and a positioning rod 12 is configured as an elastic rod having elasticity; in this embodiment, the elastic ring is configured as a rubber ring, and the elastic rod is configured as a rubber rod; a plurality of positioning rods 12 are arranged on the connecting rod 11 along the circumferential direction of the connecting rod 11, each positioning rod 12 is arranged along the radius direction of the connecting ring 1, scales 121 are arranged on the positioning rods 12, and the positioning rods 12 are sleeved and slidably connected with mounting rings 13; the connecting ring 1 resists the elasticity of the connecting ring to be sleeved on the pile foundation, the position of the connecting rod 11 is the position of the center of the pile at the moment, and the position of the mounting sleeve is determined by observing the scale 121 on the positioning rod 12, so that the mounting sleeve positions the measuring sensor; in order to facilitate the extension and contraction of the connecting ring 1, a plurality of strip-shaped holes 14 are formed in the connecting ring 1 along the circumferential direction of the connecting ring.
With reference to fig. 1 and 2, in order to adjust the position of the positioning rod 12, so that the measuring sensor can be positioned at any position on the pile top, a first adjusting groove 111 is circumferentially formed on the connecting rod 11, and a plurality of first adjusting blocks 112 are clamped and slidably connected in the first adjusting groove 111; in the present embodiment, in order to prevent the first regulation block 112 from being disengaged from the first regulation groove 111, the cross section of the first regulation groove 111 is provided in a "T" shape, and the first regulation block 112 is provided to be fitted with the first regulation groove 111 of the "T" shape; a second adjusting groove 122 is formed in the surface of the connecting ring 1 facing the connecting rod 11 in the circumferential direction, and a plurality of second adjusting blocks 123 are arranged in the second adjusting groove 122 in a sliding manner; in the present embodiment, in order to prevent the second adjustment block 123 from being disengaged from the second adjustment groove 122, the cross section of the second adjustment groove 122 is configured to be "T" shaped, and the second adjustment block 123 is configured to be matched with the "T" shaped second adjustment groove 122; the plurality of second adjusting blocks 123 are arranged in one-to-one correspondence with the plurality of first adjusting blocks 112, the plurality of positioning rods 12 are arranged in one-to-one correspondence with the plurality of first adjusting blocks 112, and the positioning rods 12 are arranged between the first adjusting blocks 112 and the second adjusting blocks 123; in the present embodiment, the connecting rod 11, the first regulating block 112, and the second regulating block 123 are all made of a metal material such as iron or steel.
With reference to fig. 1 and 2, in order to fix the first adjusting block 112 to any position in the first adjusting groove 111, a first positioning member for fixing the first adjusting block 112 to any position in the first adjusting groove 111 is disposed on the first adjusting block 112, and the first positioning member includes a first abutting bolt 113 penetrating through and screwed to the first adjusting block 112; in this embodiment, the first abutting bolt 113 is a butterfly bolt, and the first abutting bolt 113 is driven to be located on the first adjusting block 112 and screwed, so that the first abutting bolt 113 abuts against the inner wall of the first adjusting groove 111, and the friction force between the first adjusting block 112 and the first adjusting groove 111 is increased, so that the first adjusting block 112 is fixed in the first adjusting groove 111; in order to fix the second adjusting block 123 to any position in the second adjusting groove 122, a second positioning member for fixing the second adjusting block 123 to any position in the second adjusting groove 122 is provided on the second adjusting block 123; the second positioning element comprises a second abutting bolt 124 which is arranged in a penetrating way and is connected to the second adjusting block 123 in a threaded way; in the present embodiment, the second abutment bolt 124 is provided as a butterfly bolt; the second abutting bolt 124 is screwed on the second adjusting block 123 by driving the second abutting bolt 124, so that the second abutting bolt 124 abuts against the inner wall of the second adjusting groove 122, the friction force between the second adjusting block 123 and the second adjusting groove 122 is increased, and the second adjusting block 123 is fixed in the second adjusting groove 122.
Referring to fig. 1 and 2, in order to prevent the connecting ring 1 from driving the positioning rod 12 to deform when being sleeved on the pile foundation, one end of the connecting rod 11 and one side edge of the connecting ring 1 are located on the same horizontal plane, the length of the connecting rod 11 is half of the width of the connecting ring 1 along the axial direction of the connecting ring, the first adjusting groove 111 is located in the middle of the connecting rod 11, and the second adjusting groove 122 and the first adjusting groove 111 are located on the same horizontal plane; when partly overlapping go-between 1 on the pile foundation, because of the length of connecting rod 11 is half of the go-between 1 width for connecting rod 11 is located the top of pile foundation, thereby prevents that connecting rod 11 from driving locating lever 12 and resisting the elasticity slope of self, has improved the tensile effect of locating lever 12.
With reference to fig. 1 and 2, in order to facilitate an operator to observe whether the positioning rod 12 is arranged along the radius direction of the connection ring 1, a first guide cylinder 114 is fixedly arranged on the first adjusting block 112, a surface of the first guide cylinder 114 facing away from the first adjusting block 112 is provided with an opening, a second guide cylinder 125 is fixedly arranged on the second adjusting block 123, a surface of the second guide cylinder 125 facing away from the second adjusting block 123 is provided with an opening, one end of the positioning rod 12 is fixedly arranged on the bottom wall of the first guide cylinder 114, the other end is fixedly arranged on the bottom wall of the second guide cylinder 125, and the cross-sectional area of the positioning rod 12 is smaller than the cross-sectional areas of the first guide cylinder 114 and the second guide cylinder 125; the operator can know whether or not the positioning rod 12 is inclined by observing the distance between the positioning rod 12 and the inner walls of the first guide cylinder 114 and the second guide cylinder 125.
With reference to fig. 1 and 2, in order to fix the mounting ring 13 to any position on the positioning rod 12, a fixing member for fixing the mounting ring 13 to any position on the positioning rod 12 is disposed on the mounting ring 13, and the fixing member includes a connecting bolt 131 penetrating through and screwed on the mounting ring 13; in this embodiment, the connecting bolt 131 is a butterfly bolt, and the connecting bolt 131 is driven to be located on the mounting ring 13 and screwed, so that the rod portion of the connecting bolt 131 abuts against the positioning rod 12, thereby increasing the friction force between the mounting ring 13 and the positioning rod 12, and fixing the mounting ring 13 to any position on the positioning rod 12, thereby preventing the mounting ring 13 from being driven to be located on the positioning rod 12 and moving when the pile foundation vibrates; in the present embodiment, in order to improve the contact effect between the connecting bolt 131 and the positioning rod 12, the positioning rod 12 is provided with a rectangular cross section, the mounting sleeve is provided to be fitted to the rectangular positioning rod 12, and the mounting sleeve is made of a metal material such as iron or steel.
With reference to fig. 2 and 3, in order to fix the measuring sensor on the mounting ring 13, a connecting piece for detachably connecting the measuring sensor to the mounting ring 13 is provided on the mounting ring 13; the connecting piece comprises arc-shaped plates 132 which are oppositely arranged on the side wall of the mounting sleeve, notches of the arc-shaped plates 132 on two sides are oppositely arranged, rubber pads 136 are arranged on opposite surfaces of the arc-shaped plates 132 on two sides, a fixing plate 133 is arranged on one side, positioned on each arc-shaped plate 132, of the mounting sleeve, a rotating shaft 134 which is used for penetrating and is rotatably connected to the fixing plate 133 is fixedly arranged at the edge, close to the mounting sleeve, of the arc-shaped plates 132, a torsion spring 135 is sleeved on the rotating shaft 134, one end of the torsion spring 135 is fixedly connected to the arc-shaped plates 132; when the measuring sensor is arranged between the arc plates 132 at the two sides, the arc plates 132 at the two sides can resist the torsion of the torsion spring 135 and abut against the measuring sensor, so that the measuring sensor is fixed, and the fixing effect of the measuring sensor is improved; in other embodiments, the connecting member may be replaced by a bolt that is inserted through and screwed onto the arc-shaped plates 132 on both sides, the rubber pad 136 is fixedly disposed on the rod portion of the bolt, and the bolt is driven to be located on the arc-shaped plate 132 and screwed, so that the bolt drives the rubber pad 136 to also fix the measuring sensor.
The implementation principle of the positioning device for detecting the integrity of the pile foundation by the low strain method is as follows: when the position of the measuring sensor needs to be positioned, the connecting ring 1 resists the self elastic force to be sleeved on the pile foundation, at the moment, the connecting ring 1 can drive the positioning rod 12 to resist the self elastic force to stretch, the mounting sleeve is moved to the designated position on the positioning rod 12 according to the customer, the mounting sleeve is fixed on the positioning rod 12 through the connecting bolt 131, the first adjusting block 112 is driven to move in the first adjusting groove 111, and the second adjusting block 123 is driven to move in the adjusting groove, so as to adjust the position of the positioning rod 12, the position of the positioning rod 12 is fixed through the first abutting bolt 113 and the second abutting bolt 124, the distance between the positioning rod 12 and the first guide cylinder 114 and the second guide cylinder 125 is observed, whether the positioning rod 12 is arranged along the radius direction of the connecting ring 1 is observed, the measuring sensor resists the torsion force of the torsion spring 135 to be arranged between the arc plates 132 at two sides, and, the measuring sensor is convenient for the operator to position.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a low positioner that meets an emergency method detection pile foundation integrality which characterized in that: including go-between (1) and connecting rod (11) that are located the central point of go-between (1) and put the department, the circumference position of going up along connecting rod (11) in connecting rod (11) is provided with a plurality of locating levers (12), every the radius direction setting of go-between (1) is all followed in locating lever (12), be provided with scale (121) on locating lever (12), the cover is established and sliding connection has installation circle (13) on locating lever (12), be provided with on installation circle (13) and be used for fixing arbitrary position's mounting piece to locating lever (12) with installation circle (13), be provided with on installation circle (13) and be used for installing the connecting piece of sensor demountable connection on installation circle (13).
2. The positioning device for detecting integrity of pile foundation by low strain method according to claim 1, wherein: the connecting ring (1) is an elastic ring with elasticity, and the positioning rod (12) is an elastic rod with elasticity.
3. The positioning device for detecting integrity of pile foundation by low strain method according to claim 1, wherein: the fixing piece comprises a connecting bolt (131) which penetrates through and is in threaded connection with the mounting ring (13).
4. The positioning device for detecting integrity of pile foundation by low strain method according to claim 1, wherein: the connecting piece is including setting up arc (132) on the installation cover lateral wall relatively, both sides the notch of arc (132) is relative setting, the installation is sheathe in and is located one side of every arc (132) and all is provided with fixed plate (133), the edge-fixed that arc (132) are close to the installation cover is provided with and is used for wearing to establish and rotates axis of rotation (134) of connection on fixed plate (133), the cover is equipped with torsional spring (135) on axis of rotation (134), the one end fixed connection of torsional spring (135) is on arc (132), and other end fixed connection is on fixed plate (133).
5. The positioning device for detecting integrity of pile foundation by low strain method according to claim 1, wherein: first adjustment tank (111) have been seted up to the ring orientation on connecting rod (11), joint and sliding connection have a plurality of first regulating block (112) in first adjustment tank (111), go up ring (1) and have been seted up second adjustment tank (122) towards the face of connecting rod (11) to the ring orientation, it sets up a plurality of second regulating block (123), a plurality of to slide in second adjustment tank (122) and set up a plurality of second regulating block (123) it sets up, a plurality of to be the one-to-one with a plurality of first regulating block (112) second regulating block (123) are locating lever (12) and a plurality of first regulating block (112) are the one-to-one setting, locating lever (12) set up between first regulating block (112) and second regulating block (123).
6. The positioning device for detecting integrity of pile foundation by low strain method according to claim 5, wherein: one end of the connecting rod (11) and one side edge of the connecting ring (1) are located on the same horizontal plane, the length of the connecting rod (11) is half of the width of the connecting ring (1) in the axial direction of the connecting rod, the first adjusting groove (111) is located in the middle of the connecting rod (11), and the second adjusting groove (122) and the first adjusting groove (111) are located on the same horizontal plane.
7. The positioning device for detecting integrity of pile foundation by low strain method according to claim 5, wherein: the fixed first guide cylinder (114) that is provided with on first regulating block (112), first guide cylinder (114) deviate from personally submitting the opening setting of first regulating block (112), the fixed second guide cylinder (125) that is provided with on second regulating block (123), second guide cylinder (125) deviate from personally submitting the opening setting of second regulating block (123), the fixed setting of one end of locating lever (12) is on the diapire of first guide cylinder (114), and the other end is fixed to be set up on the diapire of second guide cylinder (125).
8. The positioning device for detecting integrity of pile foundation by low strain method according to claim 7, wherein: the cross-sectional area of the positioning rod (12) is smaller than the cross-sectional areas of the first guide cylinder (114) and the second guide cylinder (125).
9. The positioning device for detecting integrity of pile foundation by low strain method according to claim 5, wherein: the first adjusting block (112) is provided with a first positioning piece used for fixing the first adjusting block (112) to any position in the first adjusting groove (111), and the second adjusting block (123) is provided with a second positioning piece used for fixing the second adjusting block (123) to any position in the second adjusting groove (122).
10. The positioning device for detecting integrity of pile foundation by low strain method according to claim 9, wherein: the first positioning piece comprises a first abutting bolt (113) which is arranged in a penetrating mode and connected to the first adjusting block (112) in a threaded mode, and the second positioning piece comprises a second abutting bolt (124) which is arranged in a penetrating mode and connected to the second adjusting block (123) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110034234.8A CN112878390A (en) | 2021-01-12 | 2021-01-12 | Low positioner that meets an emergency method detection pile foundation integrality |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110034234.8A CN112878390A (en) | 2021-01-12 | 2021-01-12 | Low positioner that meets an emergency method detection pile foundation integrality |
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| CN112878390A true CN112878390A (en) | 2021-06-01 |
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| CN202110034234.8A Pending CN112878390A (en) | 2021-01-12 | 2021-01-12 | Low positioner that meets an emergency method detection pile foundation integrality |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892728A (en) * | 2022-05-25 | 2022-08-12 | 成都市建科院工程质量检测有限公司 | Low positioner that meets an emergency method detection pile foundation integrality |
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| CN112049290A (en) * | 2020-08-25 | 2020-12-08 | 成都建工装饰装修有限公司 | Prestressed stay cable point type curtain wall connecting piece and connecting method |
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| CN114892728A (en) * | 2022-05-25 | 2022-08-12 | 成都市建科院工程质量检测有限公司 | Low positioner that meets an emergency method detection pile foundation integrality |
| CN114892728B (en) * | 2022-05-25 | 2023-09-08 | 成都市建科院工程质量检测有限公司 | Positioning device for detecting pile foundation integrity by low strain method |
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