CN211690465U

CN211690465U - Pile foundation verticality detector

Info

Publication number: CN211690465U
Application number: CN201922046835.1U
Authority: CN
Inventors: 顾欣; 田乾乾; 杨国兴; 汪梦骐
Original assignee: Jiangsu Yadao Construction Engineering Testing Co ltd
Current assignee: Jiangsu Yadao Construction Engineering Testing Co ltd
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2020-10-16
Anticipated expiration: 2029-11-23

Abstract

The utility model relates to a pile foundation straightness detector that hangs down, use in pile foundation construction technical field, it includes first reflecting plate, contrast support and testing platform, first reflecting plate is connected on the pile body lateral wall and parallels with the pile body axis, the last angle board that is equipped with two mutual parallels of testing platform, two angle boards are all connected with laser indicator through the center pin rotation in centre of a circle department, the last restriction piece that is used for restricting center pin pivoted that is equipped with of testing platform, testing platform is equipped with vertical observation board, be equipped with the scale wire casing on the observation board, be equipped with vertical second reflecting plate on the contrast support, distance between first reflecting plate and second reflecting plate and testing platform is the same. The utility model discloses have the effect that makes things convenient for the operator to detect the pile body straightness that hangs down.

Description

Pile foundation verticality detector

Technical Field

The utility model belongs to the technical field of pile foundation construction technique and specifically relates to a pile foundation straightness detector that hangs down is related to.

Background

Deep foundations consisting of piles and pile caps (caps for short) connecting the tops of the piles or single-pile foundations consisting of columns and pile foundations, for short, pile foundations. If the pile body is completely buried in the soil and the bottom surface of the bearing platform is contacted with the soil body, the pile body is called a low bearing platform pile foundation; when the upper part of the pile body is exposed out of the ground and the bottom of the pile cap is positioned above the ground, the pile body is called a high pile cap pile foundation.

Chinese patent with publication number CN207469235U discloses a static pressure pile, which comprises a hollow tubular pile, a steel plate and a nozzle, wherein the steel plate is connected with the end of the tubular pile, the nozzle is connected with the steel plate, and the hollow tubular pile, the steel plate and the nozzle are sequentially communicated.

However, in the actual construction process, the foundation often determines the quality of an engineering, and because the pile foundation directly bears the load transmitted from the bearing platform, if the inclination of the pile foundation exceeds the allowable error value, the bearing capacity of the pile can be greatly reduced, so that an instrument convenient for detecting the perpendicularity of the pile body is urgently needed in the industry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pile foundation straightness detector that hangs down, its advantage is: the perpendicularity detection of the pile body is facilitated for operators.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a pile foundation straightness detector that hangs down, includes first reflecting plate, contrast support and testing platform, first reflecting plate is connected on the pile body lateral wall and parallels with the pile body axis, testing platform is last to be equipped with two angle boards that are parallel to each other, two the angle board all is connected with laser indicator through the center pin rotation in centre of a circle department, testing platform is last to be equipped with and to be used for restricting center pin pivoted restriction piece, testing platform is equipped with vertical observation board, be equipped with the scale wire casing on the observation board, be equipped with vertical second reflecting plate on the contrast support, first reflecting plate and second reflecting plate are the same with testing platform distance within a definite time.

By adopting the technical scheme, during detection, an operator moves the detection platform to be spaced from the pile body, opens the two laser indicators and adjusts the laser indicators to the same emission angle, the laser indicators are fixed by using the limiting part after the adjustment is finished, two beams of laser respectively irradiate the first reflection plate and the second reflection plate and then are reflected to the observation plate, and the operator judges whether the pile body is vertical according to the falling point positions of the two reflected beams, so that the detection method is simple and visual and is convenient to operate; meanwhile, the light beam can directly pass through the scale line slot, so that the reading of an operator is facilitated.

The utility model discloses further set up to: the limiting piece comprises a vertical rod arranged on the detection platform and a limiting ring in threaded connection with the vertical rod, the central shaft penetrates through the limiting ring, and two limiting columns symmetrically distributed about the central shaft are in threaded connection with the limiting ring.

Through adopting above-mentioned technical scheme, when fixed center pin, the operator only need twist and move two spacing posts and center pin and support tightly and can restrict the rotation of center pin, and is simple swift.

The utility model discloses further set up to: and a knob is arranged on the limiting column.

Through adopting above-mentioned technical scheme, the knob has made things convenient for the operator to rotate spacing post.

The utility model discloses further set up to: two be connected with the transmission shaft between the central axis, the both ends of transmission shaft all are equipped with the otic placode, set up on the center pin and supply otic placode male draw-in groove, the center pin passes through fastening screw and is connected with the otic placode.

By adopting the technical scheme, the two central shafts are connected in series by the transmission shaft, so that the synchronous rotation of the two laser indicators is realized, and the angle error possibly caused by the self-adjustment of the two laser indicators is reduced; an operator can also unscrew the fastening screw to separate the transmission shaft from the central shaft, so that the selection is free and the flexibility is high.

The utility model discloses further set up to: the detection platform has all seted up the through-hole in each edge, each the double-screw bolt all wears to be equipped with in the through-hole, the double-screw bolt diameter is less than the through-hole internal diameter, the double-screw bolt has adjusting nut in the equal threaded connection in detection platform's both sides, and the one end that detection platform was kept away from to each double-screw bolt is passed through the backup pad and is connected.

By adopting the technical scheme, an operator can adjust each corner of the detection platform up and down to keep the detection platform horizontal, so that the accuracy of the emission angle of the laser indicator is improved, and the operator can screw the adjusting nuts on two sides to fix the detection platform after adjustment is finished.

The utility model discloses further set up to: the backup pad bottom surface has a plurality of telescopic cylinder through hex bolts, and equal sliding connection has the carrier bar in each telescopic cylinder, threaded connection has the set screw that one end and carrier bar contradict on the telescopic cylinder lateral wall.

Through adopting above-mentioned technical scheme, when ground unevenness or first reflecting plate, second reflecting plate and observation board are not corresponding in height, the operator slides the carrier bar and carries out the carrier bar with ground, with the backup pad frame in ground top, both done benefit to and reduced testing platform's adjustment volume, increased the application scope of detector again.

The utility model discloses further set up to: the pull rod type steel wire rope straightening machine is characterized in that two sliding grooves are formed in the side wall of the supporting plate, sliding rods are connected into the sliding grooves in a sliding mode, one ends of the sliding rods are connected with the bottoms of the sliding grooves through pull rods, one ends of the sliding rods, far away from the pull rods, are connected through pull rods, sinking grooves for the pull rods to be placed in are formed in the side wall of the supporting plate, and when the pull rods are straightened, the sliding rods partially extend out of the sliding grooves.

By adopting the technical scheme, when the detector is carried, an operator can directly grasp the pull rod to lift the whole supporting plate; when the detector works, the sliding rod and the pull rod are respectively stored in the sliding groove and the sinking groove, so that the occupied space is small, and the detector is convenient and flexible.

The utility model discloses further set up to: articulated through the articulated shaft in the backup pad has the apron, the cover is equipped with the torsional spring on the articulated shaft, works as when the torsional spring is in natural state, the heavy groove notch is sheltered to the apron.

Through adopting above-mentioned technical scheme, utilize the elastic force of torsional spring to make the apron keep restricting the state in the heavy groove with the pull rod, reduced the slide bar and slided out and cause the possibility of interference in the measurement process.

To sum up, the utility model discloses a beneficial technological effect does:

1. whether the pile body inclines or not and the size of the inclination can be visually judged by comparing and observing the positions of the falling points after two laser reflections, so that the method is convenient and quick;

2. the detachably connected transmission shaft realizes the simultaneous adjustment or the independent adjustment of the two laser indicators, and is convenient and flexible; the horizontal adjustment of the detection platform and the adaptability of the bearing rod to uneven ground are beneficial to improving the accuracy of the detection result.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic structural diagram of the present embodiment for embodying the central axis and the laser pointer.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 2.

Fig. 5 is a schematic structural diagram for embodying the stud and the support plate in the present embodiment.

Fig. 6 is an enlarged view at C in fig. 5.

Fig. 7 is a schematic structural diagram of the slide bar and the pull rod according to the embodiment.

In the figure, 11, a first reflection plate; 12. a second reflection plate; 13. comparing the supports; 14. a detection platform; 15. an angle plate; 16. a central shaft; 17. a laser pointer; 18. an observation plate; 181. a scale wire groove; 2. a limiting member; 21. erecting a rod; 22. a limiting ring; 23. a limiting column; 231. a knob; 24. a drive shaft; 241. an ear plate; 25. a card slot; 26. fastening screws; 3. a through hole; 31. a stud; 32. adjusting the nut; 33. a support plate; 34. a telescopic cylinder; 341. a hex screw; 35. a carrier bar; 36. a set screw; 4. a chute; 41. a slide bar; 411. a hauling rope; 42. a pull rod; 43. sinking a groove; 44. hinging a shaft; 441. a torsion spring; 45. a cover plate; 5. and (5) a pile body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a pile foundation verticality detector is shown in figures 1 and 2 and comprises a first reflecting plate 11, a second reflecting plate 12, a comparison support 13 and a detection platform 14, the comparison support 13 is supported on the ground and distributed at intervals with the pile body 5, the second reflection plate 12 is vertically arranged on the comparison support 13, the first reflection plate 11 is connected on the side wall of the pile body 5 and is parallel to the axis of the pile body 5, the detection platform 14 is provided with two angle plates 15 which are parallel to each other, the two angles are rotatably connected with a laser indicator 17 at the circle center through a central shaft 16, the two laser indicators 17 are distributed at the two sides of the two angle plates 15 which are opposite to each other, the detection platform 14 is provided with a limiting part 2 for limiting the rotation of the central shaft 16, the detection platform 14 is further provided with a vertical observation plate 18, and the observation plate 18 is provided with scale line slots 181 which are arranged along the height direction of the observation plate 18.

As shown in fig. 3, the limiting member 2 includes an upright rod 21 disposed on the detection platform 14 and a limiting ring 22 screwed on the upright rod 21, the central shaft 16 passes through the limiting ring 22 and is coaxially distributed with the limiting ring 22, two limiting posts 23 symmetrically distributed about the central shaft 16 are screwed on the limiting ring 22, one end of each limiting post 23 penetrates into the limiting ring 22, and the other end is provided with a knob 231.

And (3) detection process: an operator firstly connects the first reflecting plate 11 to the pile body 5, then fixes the comparison support 13 beside the pile body 5 and keeps the second reflecting plate 12 vertical, moves the detection platform 14 to keep a certain distance between the detection platform 14 and the pile body 5, and the distances between the first reflecting plate 11 and the detection platform 14 and between the second reflecting plate 12 and the detection platform 14 are equal; turning on the laser designator 17, rotating the two laser designators 17 to enable the two beams of laser to respectively irradiate the first reflecting plate 11 and the second reflecting plate 12, adjusting the angles of the two beams of laser to be the same, then rotating the knob 231, clamping the central shaft 16 by utilizing the two limiting columns 23, and fixing the central shaft 16; the laser emitted by the two laser indicators 17 is reflected by the first reflection plate 11 and the second reflection plate 12 and then falls on the observation plate 18, an operator judges whether the pile body 5 is vertical according to the position of the laser falling point on the observation plate 18, if the two laser falling points are on the same scale line slot 181, the pile body 5 is vertical, and if the two laser falling points have deviation, the pile body 5 is inclined, and the higher the deviation value is, the larger the inclination angle is.

During actual detection, an operator can keep the emitting angle of the laser pointer 17 unchanged, and then increase the distance between the pile body 5 and the detection platform 14 section by section, and compare for multiple times, so that the measurement error is reduced.

As shown in fig. 2 and 3, a transmission shaft 24 is connected between the two central shafts 16, two ends of the transmission shaft 24 are respectively provided with an ear plate 241, the central shaft 16 is provided with a slot 25 for inserting the ear plate 241, and the central shaft 16 is connected with the ear plates 241 through a fastening screw 26, so that the two central shafts 16 are connected in series; an operator only needs to rotate one of the laser pointers 17 to drive the other laser pointer 17 to synchronously rotate, so that errors caused by the fact that the two laser pointers 17 are independently adjusted are reduced.

As shown in fig. 5 and 6, the detection platform 14 has through holes 3 at each corner, studs 31 penetrate through the through holes 3, the diameter of each stud 31 is smaller than the inner diameter of each through hole 3, each stud 31 is in threaded connection with an adjusting nut 32 on both sides of the detection platform 14, the detection platform 14 is clamped through the two adjusting nuts 32, and one end, away from the detection platform 14, of each stud 31 is connected through a support plate 33. The bottom surface of the supporting plate 33 is connected with telescopic cylinders 34 at each corner through hexagon screws 341, bearing rods 35 are connected in each telescopic cylinder 34 in a sliding manner, and fixing screws 36 with one ends abutting against the bearing rods 35 are connected on the side walls of the telescopic cylinders 34 in a threaded manner.

As shown in fig. 6, when the ground is uneven, the operator slides the carrying rods 35, adjusts the extending length of each carrying rod 35 to be matched with the concave-convex part of the ground, and then screws the fixing screws 36 to tightly abut against the carrying rods 35, so as to fix the carrying rods 35; after the adjustment, the operator puts the bubble spirit level on testing platform 14 again, detects testing platform 14's levelness according to the state of bubble in the bubble spirit level, if the bubble takes place the slope, the operator twists the adjusting nut 32 of moving relevant position for testing platform 14 rises, guarantees testing platform 14's level, does benefit to the accuracy that improves the testing result, has increased the application scope of detector.

As shown in fig. 4 and 7, sliding grooves 4 are formed in the side walls of the supporting plate 33, sliding rods 41 are slidably connected in the two sliding grooves 4, the length of each sliding rod 41 is smaller than that of the corresponding sliding groove 4, one end of each sliding rod 41 is connected with the bottom of the corresponding sliding groove 4 through a pulling rope 411, one ends of the two sliding rods 41, which are far away from the pulling rope 411, are connected through pull rods 42, and when the pulling rope 411 is straightened, the sliding rods 41 partially extend out of the sliding grooves 4; a sinking groove 43 for placing the pull rod 42 is formed in the side wall of the support plate 33, and when the pull rod 42 moves into the sinking groove 43, the traction rope 411 is in a loose state; the supporting plate 33 is hinged with a cover plate 45 through a hinge shaft 44, the hinge shaft 44 is sleeved with a torsion spring 441, when the torsion spring 441 is in a natural state, the cover plate 45 covers a notch of the sinking groove 43, the pull rod 42 is limited in the sinking groove 43, and the possibility that the sliding rod 41 accidentally slides out of the sliding groove 4 is reduced.

As shown in fig. 7, when carrying or moving the detector, the operator rotates the cover plate 45 to open the sinking groove 43, then grasps the pull rod 42 and pulls it outward until the slide rod 41 is pulled by the pulling rope 411, and at this time, the operator can lift the whole supporting plate 33, which is convenient and fast, and occupies a small space.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a pile foundation squareness detector which characterized in that: including first reflecting plate (11), contrast support (13) and testing platform (14), first reflecting plate (11) are connected on pile body (5) lateral wall and are paralleled with pile body (5) axis, be equipped with two angle boards (15) that are parallel to each other on testing platform (14), two angle board (15) all are connected with laser indicator (17) through center pin (16) rotation in the centre of a circle department, be equipped with on testing platform (14) and be used for restricting center pin (16) pivoted restriction piece (2), testing platform (14) are equipped with vertical observation board (18), be equipped with scale wire casing (181) on observation board (18), be equipped with vertical second reflecting plate (12) on contrast support (13), distance between first reflecting plate (11) and second reflecting plate (12) and testing platform (14) is the same.

2. The perpendicularity detector of a pile foundation of claim 1, wherein: the limiting piece (2) comprises a vertical rod (21) arranged on the detection platform (14) and a limiting ring (22) in threaded connection with the vertical rod (21), the central shaft (16) penetrates through the limiting ring (22), and two limiting columns (23) which are symmetrically distributed relative to the central shaft (16) are in threaded connection with the limiting ring (22).

3. The perpendicularity detector of a pile foundation of claim 2, wherein: and a knob (231) is arranged on the limiting column (23).

4. The perpendicularity detector of a pile foundation of claim 3, wherein: two be connected with transmission shaft (24) between center pin (16), the both ends of transmission shaft (24) all are equipped with otic placode (241), offer on center pin (16) and supply otic placode (241) male draw-in groove (25), center pin (16) are connected with otic placode (241) through fastening screw (26).

5. The pile foundation squareness detector of claim 1 or 4, characterized in that: through-hole (3) have all been seted up in each edge department in detection platform (14), each stud (31) all wear to be equipped with in through-hole (3), stud (31) diameter is less than through-hole (3) internal diameter, the equal threaded connection in both sides of detection platform (14) of stud (31) has adjusting nut (32), and the one end of keeping away from detection platform (14) in each stud (31) is passed through backup pad (33) and is connected.

6. The perpendicularity detector of a pile foundation of claim 5, wherein: the bottom surface of the supporting plate (33) is connected with a plurality of telescopic cylinders (34) through hexagon screws (341), bearing rods (35) are connected in each telescopic cylinder (34) in a sliding mode, and fixing screws (36) with one ends abutting against the bearing rods (35) are connected to the side walls of the telescopic cylinders (34) in a threaded mode.

7. The perpendicularity detector of a pile foundation of claim 6, wherein: seted up two spout (4) on backup pad (33) lateral wall, two equal sliding connection has slide bar (41) in spout (4), haulage rope (411) are passed through to the one end of slide bar (41) and are connected with spout (4) tank bottom, two the one end that haulage rope (411) were kept away from in slide bar (41) is passed through pull rod (42) and is connected, set up on backup pad (33) lateral wall and supply heavy groove (43) that pull rod (42) put into, work as when haulage rope (411) straighten, slide bar (41) part stretches out outside spout (4).

8. The perpendicularity detector of a pile foundation of claim 7, wherein: articulated through articulated shaft (44) on backup pad (33) have apron (45), the cover is equipped with torsional spring (441) on articulated shaft (44), works as torsional spring (441) are when natural state, heavy groove (43) notch is sheltered in apron (45).