CN210486757U

CN210486757U - Novel pile foundation depth tester

Info

Publication number: CN210486757U
Application number: CN201921453036.XU
Authority: CN
Inventors: 赵中华; 陆法潭; 齐庆会; 岳川云; 马丽珠; 张晚来
Original assignee: Shenyang Urban Construction University
Current assignee: Shenyang Urban Construction University
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-05-08
Anticipated expiration: 2029-09-03

Abstract

A novel pile foundation depth tester comprises a mounting seat, a fixed disk, a tape measure and a stepped through hole, wherein a push shaft is arranged in the stepped through hole, a small spring is sleeved on the push shaft, a thick shaft and the small spring are both positioned in a large hole of the stepped through hole, one side of the push shaft, which faces outwards, penetrates through a small hole of the stepped through hole and extends outwards, a central through hole is axially designed on the mounting seat, wheels are attached to the outer wall of a pile, a tape of the tape measure penetrates through a transverse through hole of the mounting seat in parallel and is coiled on a turntable through a tensioning mechanism, the head end of the tape measure is fixedly connected with the turntable, a damping mechanism is arranged on the bottom surface of the mounting seat, if the real-time depth of pile driving is required to be obtained, the real-time data of a plurality of tape measures can be obtained from the transverse through hole of the mounting seat, the data can be averaged, more accurate pile driving depth data can be obtained, the operation is simple, the learning is easy, the installation regulation and control time is reduced, and the labor intensity of workers is reduced.

Description

Novel pile foundation depth tester

Technical Field

The utility model belongs to capital construction check out test set field, specifically speaking are novel pile foundation degree of depth apparatus.

Background

According to the structural design specifications of high-rise buildings, the foundation burial depth of the high-rise buildings is related to the foundation form and the seismic fortification intensity, and when the fortification intensity is 7 degrees or more than 7 degrees, the foundation burial depth is not smaller than 1/12 of the height of the building for natural foundations; for pile foundations, the foundation burial depth is not smaller than 1/15 of the building height; the base embedment depth, generally measured from the outdoor ground; at present, visual detection is generally adopted for pile driving depth detection, or simple measurement is adopted for the pile driving depth detection, the measurement value is not accurate, large unreliable factors exist, the firmness of a house is directly determined by the pile driving depth, the house is not firm, the house is likely to be blown down through gust, and disasters such as family outages and the like are caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel pile foundation degree of depth apparatus for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

a novel pile foundation depth determinator comprises a mounting seat, wherein a plurality of fixed disks are equidistantly mounted on the outer wall of the mounting seat, a tape capable of automatically retracting is mounted on each fixed disk, a plurality of stepped through holes are designed in the middle of each fixed disk at a transverse equal distance, a push shaft is mounted in each stepped through hole, a thick shaft is axially fixed in the middle of each push shaft, a small spring is sleeved at one end of each push shaft in the outward direction, the thick shaft and the small spring are located in a large hole of each stepped through hole, a small hole of each stepped through hole is penetrated through at one side of each push shaft in the outward direction and extends outwards, wheels capable of freely rotating are fixedly mounted at one side of each push shaft in the inward direction, a central through hole is axially designed on the mounting seat, a pile vertically penetrates through the central through hole of the mounting seat, the wheels are attached to the outer wall of the pile, a rotary table is mounted at one side of each wheel, the rotary table can synchronously rotate with the wheels, the head end of the ruler tape is fixedly connected with the rotary table, and the bottom surface of the mounting seat is provided with a damping mechanism.

According to the novel pile foundation depth tester, the tensioning mechanism comprises the tensioning wheel and the mounting frame, the mounting frame is fixed inside the mounting seat, and the tensioning wheel is mounted on the mounting frame.

According to the novel pile foundation depth measuring instrument, the lifting lug is fixedly mounted at the upper end of the mounting seat.

According to the novel pile foundation depth tester, the number of the wheels on the push shaft is two, the symmetry line is the axis of the push shaft, and the outer ring of each wheel is wrapped by a rubber ring.

As above a novel pile foundation degree of depth apparatus, damper include damping spring, back shaft, bottom plate and dog, the bottom plate is located the degree of depth apparatus bottom surface, and the bottom plate is placed in subaerial, and the back shaft passes through the screw thread and vertically installs on the bottom plate, and the back shaft is vertical to be passed the round hole of mount pad, and the dog is installed through the screw thread to the back shaft top surface, and the external diameter of dog is greater than the internal diameter of round hole, the cover is equipped with damping spring on the back shaft between bottom plate and the mount pad.

According to the novel pile foundation depth measuring instrument, the inner diameter of the central through hole of the mounting seat is far larger than the outer diameter of the pile.

The utility model has the advantages that: after the equipment is installed, the equipment is hoisted to the position where the pile needs to be driven through the lifting lugs, the crane hoists the pile and inserts the pile into the central through hole of the installation seat, the push shaft is pulled outwards by hands, after the pile is inserted, the push shaft is loosened, the wheels are attached to the outer wall of the pile, and the pile driving machine is started to drive the pile into the soil; in the process of piling, the wheels are tightly attached to the outer wall of the pile, when the pile extends downwards to a certain point, the turntable on one side of each wheel can synchronously rotate along with the wheels, the turntable rotates to wrap the tape on the turntable, the damping equipment below the mounting seat can be retracted less in the tape, and the measuring accuracy of the depth measuring instrument is improved; if want to acquire the instant degree of depth of pile, can acquire the instant data of multiunit tape measure from the horizontal through-hole of mount pad, get the average with data, can obtain more accurate pile depth data, guarantee that data is more accurate, degree of depth apparatus simple to operate, easy operation easily learns easily and can, has reduced installation regulation and control time, has reduced workman's intensity of labour.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic top view of a pile foundation depth gauge; FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1; FIG. 3 is an enlarged view of the portion I of FIG. 2; fig. 4 is an enlarged view of a portion ii of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A novel pile foundation depth determinator comprises a mounting seat 1, wherein a plurality of fixed disks 2 are equidistantly mounted on the outer wall of the mounting seat 1, a tape 3 capable of automatically retracting is mounted on each fixed disk 2, a plurality of stepped through holes 4 are designed in the middle of each fixed disk 2 at a transverse equal distance, a push shaft 5 is mounted in each stepped through hole 4, a thick shaft 6 is axially fixed in the middle of each push shaft 5, a small spring 7 is sleeved on one outward end of each push shaft 5, the thick shaft 6 and the small spring 7 are both located in a large hole 8 of each stepped through hole 4, a small hole 9 of each stepped through hole 4 penetrates through one outward side of each push shaft 5 and extends outwards, a wheel 10 capable of freely rotating is fixedly mounted on one inward side of each push shaft 5, a central through hole 11 is axially designed on the mounting seat 1, a pile 12 vertically penetrates through the central through hole 11 of the mounting seat 1, the wheel 10 is attached to the outer wall of the pile 12, a turntable 13 is, the rotary table 13 can rotate synchronously with the wheel 10, the tape 14 of the tape 3 parallelly passes through the transverse through hole 24 of the mounting base 1 and is coiled on the rotary table 13 through the tensioning mechanism, the head end of the tape 14 is fixedly connected with the rotary table 13, and the bottom surface of the mounting base 1 is provided with the damping mechanism. After the equipment is installed, the equipment is hoisted to a position needing pile driving through a lifting lug 17, a crane lifts a pile 12 and inserts the pile into a central through hole 11 of the installation base 1, the push shaft 5 is pulled outwards by hands, after the pile 12 is inserted, the push shaft 5 is loosened, the wheels 10 are attached to the outer wall of the pile 12, and a pile driving machine is started to drive the pile 12 into the soil; in the process of piling, the wheel 10 is tightly attached to the outer wall of the pile 12, when the pile 12 goes deep a little downwards, the rotary table 13 on one side of the wheel 10 can synchronously rotate along with the wheel 10, the rotary table 13 rotates, the tape 14 is wrapped on the rotary table 13, the damping equipment below the mounting seat 1 can be retracted less in the tape 3, and the measuring accuracy of the depth measuring instrument is improved; if want to acquire the instant degree of depth of pile, can acquire the instant data of multiunit tape 3 from the horizontal through-hole 24 of mount pad 1, get the average with data, can obtain more accurate pile depth data, guarantee that data is more accurate, degree of depth apparatus simple to operate, easy operation, easy learning easily can, reduced installation regulation and control time, reduced workman's intensity of labour.

Specifically, as shown in the drawings, the tensioning mechanism according to the embodiment includes a tensioning wheel 15 and a mounting bracket 16, the mounting bracket 16 is fixed inside the mounting base 1, and the tensioning wheel 15 is mounted on the mounting bracket 16. The ruler belt is coiled on the rotating disc 13 of the wheel 10 through the tension wheel 15, so that the ruler belt 14 can always keep an elastic adduction state, the large error of depth measurement caused by impact vibration is reduced, and the measurement value is ensured to be more accurate.

Specifically, as shown in the drawings, a lifting lug 17 is fixedly mounted at the upper end of the mounting base 1 according to the embodiment. The hoisting device can be used for hoisting depth measuring instrument equipment, reduces the installation operation time, and reduces the working strength of operators.

Further, as shown in the figure, two wheels 10 on the pushing shaft are symmetrically designed, the symmetric line is the axis of the pushing shaft 5, and the outer ring of the wheel 10 is wrapped with a rubber ring. The wheels 10 which are symmetrically arranged can be tightly attached to the outer wall of the pile 12 through rubber rings, so that the problems of large measurement error and the like caused by slipping and the like are reduced, and the accuracy of measured values is ensured.

Furthermore, as shown in the figure, the damping mechanism described in this embodiment includes damping spring 18, support shaft 19, bottom plate 20 and dog 21, bottom plate 20 is located the depth measurement appearance bottom surface, and bottom plate 20 places on ground 22, and support shaft 19 vertically installs on bottom plate 20 through the screw thread, and support shaft 19 vertically passes round hole 23 of mount pad 1, and dog 21 is installed through the screw thread to support shaft 19 top surface, and the external diameter of dog 21 is greater than the internal diameter of round hole 23, the cover is equipped with damping spring 18 on the support shaft 19 between bottom plate 20 and the mount pad 1. In the pipe burying process, great impact force can be generated, through the shock absorption equipment, the external impact force generated on the equipment can be reduced, the tape is prevented from being retracted under the impact force, and the accuracy of depth measurement is guaranteed.

Furthermore, as shown in the drawings, the inner diameter of the central through hole 11 of the mounting base 1 of the present embodiment is much larger than the outer diameter of the pile 12. The depth measuring instrument can measure the depth of the piles 12 of different types, has wide application range and meets the requirements of different outer diameters.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a novel stake basis degree of depth apparatus which characterized in that: including mount pad (1), a plurality of fixed disks (2) are installed to the equidistance on mount pad (1) outer wall, install tape measure (3) that can automatic adduction on fixed disk (2), and the horizontal equidistance design in fixed disk (2) middle part has a plurality of notch cuttype through-holes (4), installs in notch cuttype through-hole (4) and pushes away axle (5), it has thick axle (6) to push away axle (5) middle part axial fixity, pushes away the outside pot head of axle (5) and is equipped with little spring (7), thick axle (6) and little spring (7) all are located macropore (8) of notch cuttype through-hole (4), push away axle (5) outside one side and pass aperture (9) of notch cuttype through-hole (4) and outwards extend, push away axle (5) inside one side fixed mounting have wheel (10) that can freely rotate, mount pad (1) axial design has central through-hole (11), stake (12) vertically pass central through-hole (11) of mount pad (1), wheel (10) laminating is on the outer wall of stake (12), and carousel (13) are installed to wheel (10) one side, and carousel (13) can with wheel (10) synchronous revolution, horizontal through-hole (24) that mount pad (1) was passed in tape (14) parallel of tape measure (3) and spiral on carousel (13) through tensioning mechanism, the head end and carousel (13) fixed connection of tape measure (14), damper is installed to mount pad (1) bottom surface.

2. The novel pile foundation depth measuring instrument according to claim 1, characterized in that: the tensioning mechanism comprises a tensioning wheel (15) and an installation frame (16), the installation frame (16) is fixed inside the installation base (1), and the tensioning wheel (15) is installed on the installation frame (16).

3. The novel pile foundation depth measuring instrument according to claim 1, characterized in that: the upper end of the mounting seat (1) is fixedly provided with a lifting lug (17).

4. The novel pile foundation depth measuring instrument according to claim 1, characterized in that: the push shaft is provided with two wheels (10) symmetrically, the symmetric line is the axis of the push shaft (5), and the outer ring of each wheel (10) is wrapped by a rubber ring.

5. The novel pile foundation depth measuring instrument according to claim 1, characterized in that: damper include damping spring (18), back shaft (19), bottom plate (20) and dog (21), bottom plate (20) are located the degree of depth apparatus bottom surface, place on ground (22) bottom plate (20), back shaft (19) are vertically installed on bottom plate (20) through the screw thread, back shaft (19) are vertical to be passed round hole (23) of mount pad (1), dog (21) are installed through the screw thread to back shaft (19) top surface, the external diameter of dog (21) is greater than the internal diameter of round hole (23), the cover is equipped with damping spring (18) on back shaft (19) between bottom plate (20) and mount pad (1).

6. The novel pile foundation depth measuring instrument according to claim 1, characterized in that: the inner diameter of the central through hole (11) of the mounting seat (1) is far larger than the outer diameter of the pile (12).