CN218027888U

CN218027888U - Height measuring device for concrete cast-in-place pile

Info

Publication number: CN218027888U
Application number: CN202222348741.1U
Authority: CN
Inventors: 解勇; 余波; 李勋海
Original assignee: Yongming Group Co ltd
Current assignee: Yongming Group Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-12-13
Anticipated expiration: 2032-09-01

Abstract

The application relates to the technical field of cast-in-place pile construction, and specifically discloses a cast-in-place concrete pile height measuring device, which comprises a support, a force measuring mechanism arranged on the support, a measuring hammer hung at the force measuring end of the force measuring mechanism and a monitoring mechanism arranged on the support and used for monitoring the force measured by the force measuring mechanism. The pulling force size of gauging hammer can be measured to the dynamometer in this application, when needs pour the bored concrete pile highly unanimously with the elevation, put into the drilling with the gauging hammer, make the gauging hammer be located the height of elevation, because the proportion of gauging hammer is the same with the concrete in the drilling, when the concrete just in time submergence gauging hammer, the buoyancy that the gauging hammer received equals with the gravity of self, the size of the power that the dynamometer measured this moment is zero, stop pouring, the amount of pouring that can make the bored concrete pile is more close with the elevation, the error of pouring has been reduced.

Description

Height measuring device for concrete cast-in-place pile

Technical Field

The application relates to the technical field of cast-in-place pile construction, in particular to a height measuring device for a concrete cast-in-place pile.

Background

The cast-in-situ bored pile is formed by forming a pile hole in foundation soil through mechanical drilling, steel pipe soil extrusion or manual excavation, placing a reinforcement cage in the pile hole, and pouring concrete into the pile hole.

In the work progress of bored concrete pile, must pour according to the elevation of drawing, in order to guarantee the precision of follow-up construction and the structural strength of construction point, actually pour and must be unanimous with the elevation, consequently, pour the back in the completion, need carry out the elevation to the pile bolck of bored concrete pile and detect, the common way of watering in-process has: 1. a worker puts a measuring rope into the hole for measurement, a short steel bar is bound at the lower end of the measuring rope, and the worker judges whether the measuring rope touches the concrete pouring surface according to hand feeling, so that the elevation of the concrete surface is determined; 2. and (3) fixing a fishing spoon at the bottom end of the steel bar by using a long steel bar, judging whether the broken stone left on the fishing spoon is in-hole sediment or broken stone in concrete due to the fact that cement slurry is inconsistent with the components of the concrete after the fished material is washed by water, judging that the broken stone reaches the designed elevation if the fished broken stone is the concrete residue, and continuing pouring if the fishing spoon hardly contains the concrete residue, thereby determining the concrete pouring height.

In view of the above-mentioned related art, the inventors found that at least the following technical drawbacks exist: when detecting the pouring height of concrete, no matter the workman relies on the hand to remove to measure or uses to drag for the spoon to go the judgement, two kinds of measuring methods all can make the bored concrete pile in the drilling highly inconsistent with the elevation, have certain pouring error.

SUMMERY OF THE UTILITY MODEL

For more accurate pouring, the application provides a concrete filling pile height measuring device.

The application provides a pair of concrete bored concrete pile height measurement device adopts following technical scheme:

the utility model provides a concrete bored concrete pile height-measuring device, includes the support, installs dynamometer on the support, hang the plummet of dynamometer dynamometry end and install be used for on the support right the monitoring mechanism that the size of the power that dynamometer surveyed monitors.

Through adopting above-mentioned technical scheme, the pulling force size of counter weight can be measured to the dynamometer, when needs pour the bored concrete pile highly unanimously with the elevation, because the degree of depth and the elevation of drilling just confirm before the construction, consequently only need calculate ground to the high distance in the drilling, the height of standard height is transferred to the counter weight, because the proportion of counter weight is the same with the concrete in the drilling, when the concrete just in time submergence counter weight completely, the height of bored concrete pile is unanimous with the elevation this moment, the buoyancy that the counter weight received equals with the gravity of self, the size of the power that the dynamometer measured is zero, stop pouring this moment, can be more accurate pour the bored concrete pile in the drilling, the error of pouring has been reduced.

Optionally, the force measuring mechanism includes digital dynamometer and survey rope, the casing of digital dynamometer is installed on the support, the vertical setting down of dynamometry end of digital dynamometer, survey rope one end with the dynamometry end fixed connection of digital dynamometer, the other end with survey hammer fixed connection.

Through adopting above-mentioned technical scheme, when need pour the height of bored concrete pile unanimous with the elevation, slowly put into the drilling with the measuring hammer, make the measuring hammer be located the height of elevation, under the effect of self gravity, measuring hammer tractive survey line, measuring rope tractive digital dynamometer, the weight of measuring the measuring hammer is measured to the digital dynamometer, it is worth explaining, the weight of survey line can be ignored. Last the in-process to pouring concrete in the drilling, the concrete can rise gradually, when the concrete submergence survey hammer just in time, because the proportion of survey hammer is the same with the concrete in the drilling, the buoyancy that the survey hammer received equals with the gravity of self, the size of the power that the digital dynamometer measured this moment is zero, stop pouring this moment to the volume that makes the concrete that fills is unanimous with the elevation, makes the process of pouring more accurate, has reduced the waste that the surpassing of concrete irritated and caused.

Optionally, the monitoring mechanism including set up in alarm and controller on the support, the controller respectively with digital dynamometer and alarm electricity are connected.

By adopting the technical scheme, when the force measured by the digital dynamometer is zero, the controller controls the alarm to give an alarm, so that a constructor can be reminded to stop pouring, and the pouring error is reduced.

Optionally, the support is provided with a clamping mechanism for clamping and fixing the digital dynamometer.

Through adopting above-mentioned technical scheme, fixture can carry out the centre gripping to the digital dynamometer and fix, makes installing on the support that the digital dynamometer can be stable, makes things convenient for the measurement more.

Optionally, fixture includes dead lever, fixed frame and supports tight subassembly, dead lever one end is installed on the support, fixed frame is fixed the dead lever is kept away from the one end of support, support tight subassembly and be located on the lateral wall of fixed frame, it is right to support tight subassembly be used for digital dynamometer in the fixed frame to support tightly fixedly.

Through adopting above-mentioned technical scheme, when needs carry out the centre gripping fixed to the digital dynamometer, stretch into fixed frame with the digital dynamometer in, then use to support tight subassembly and support the digital dynamometer tightly on the inside wall of fixed frame, can realize fixed to the installation of digital dynamometer.

Optionally, the dead lever periphery wall is outer hexagonal setting, correspond on the support the interior hexagonal that grafting adaptation was seted up to the dead lever periphery wall leads to the groove.

Through adopting above-mentioned technical scheme, hexagonal logical inslot including the dead lever is pegged graft for the dead lever can be convenient install and dismantle.

Optionally, the fastening assembly includes a screw rod threaded through the side wall of the fixed frame and a fastening plate fixed at one end of the screw rod, and the fastening plate is located at the end of the fixed screw rod in the fixed frame.

Through adopting above-mentioned technical scheme, after the digital dynamometer stretched into in the fixed frame, rotatory screw rod made to support tight board and remove to the direction that is close to the digital dynamometer to support the digital dynamometer tightly and fix on the inside wall of fixed frame, it is fixed to accomplish the installation of digital dynamometer.

Optionally, an elastic cushion layer for reducing damage of the tightening plate to the digital dynamometer is arranged on one side, away from the screw rod, of the tightening plate.

Through adopting above-mentioned technical scheme, the elastic cushion can reduce to support the damage of tight board to the digital dynamometer at the support pressure in-process to the life of extension digital dynamometer.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the force measuring mechanism can measure the magnitude of the pulling force of the measuring hammer, when the height of the cast-in-place pile is required to be poured to be consistent with the elevation, the depth and the elevation of a drilled hole are confirmed before construction, so that the measuring hammer can be lowered to the elevation height only by calculating the distance from the ground to the height of an internal standard of the drilled hole, the specific gravity of the measuring hammer is the same as that of concrete in the drilled hole, when the concrete just completely submerges the measuring hammer, the height of the cast-in-place pile is consistent with the elevation, the buoyancy force borne by the measuring hammer is equal to the gravity of the measuring hammer, the magnitude of the force measured by the force measuring mechanism is zero, the pouring is stopped at the moment, the cast-in-place pile in the drilled hole can be poured more accurately, and the pouring error is reduced;

2. when the digital dynamometer needs to be clamped and fixed, the digital dynamometer extends into the fixed frame, and then the digital dynamometer is abutted to the inner side wall of the fixed frame by using the abutting component, so that the digital dynamometer can be installed and fixed;

3. the elastic cushion layer can reduce the damage of the abutting plate to the digital dynamometer in the abutting process, so that the service life of the digital dynamometer is prolonged.

Drawings

Fig. 1 is a schematic view of the overall structure of a concrete cast-in-place pile height measuring device in the embodiment of the present application.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a schematic view showing the overall structure of the apparatus for measuring the height of a cast-in-place concrete pile in fig. 1 in use.

Reference numerals: 1. a support; 11. an inner hexagonal through groove; 2. a force measuring mechanism; 21. a digital dynamometer; 22. rope measurement; 3. measuring a hammer; 4. a monitoring mechanism; 41. an alarm; 42. a controller; 5. a clamping mechanism; 51. fixing the rod; 52. a fixing frame; 53. a tightening assembly; 531. a screw; 532. a propping plate; 6. an elastic cushion layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses concrete cast-in-place pile height measuring device, refer to fig. 1 and fig. 2, including support 1, install the dynamometer 2 on support 1, hang the plummet 3 that is used for measuring the power of dynamometer 2 end and install on support 1 and be used for carrying out the monitoring mechanism 4 that monitors to the power of dynamometer 2.

Referring to fig. 1 and 2, the force measuring mechanism 2 includes a digital dynamometer 21 and a measuring rope 22, a housing of the digital dynamometer 21 is mounted on the support 1, a force measuring end of the digital dynamometer 21 is vertically arranged downwards, one end of the measuring rope 22 is bolted and fixed on the force measuring end of the digital dynamometer 21, and the other end of the measuring rope 22 is fixedly connected with the measuring hammer 3.

Referring to fig. 1 and 2, the monitoring mechanism 4 includes an alarm 41 fixed to the stand 1 by bolts and a controller 42, and the controller 42 is electrically connected to the digital load cell 21 and the alarm 41, respectively.

Referring to fig. 3, when the bored concrete pile height in the bore reaches the elevation at which the measuring hammer 3 is located, the concrete just submerges the measuring hammer 3 completely, because the specific gravity of the measuring hammer 3 is the same as that of the concrete, therefore when the measuring hammer 3 is just submerged by the concrete completely, the measuring hammer 3 no longer pulls the digital dynamometer 21 at this moment, make the numerical value on the digital dynamometer 21 zero, the controller 42 electrically connected with the digital dynamometer 21 controls the alarm 41 to give an alarm, thereby remind the constructor to stop pouring in time, make the height of the bored concrete pile keep the same with the elevation as much as possible.

In order to mount and fix the digital dynamometer 21, a clamp mechanism 5 for clamping and fixing the digital dynamometer 21 is further provided on the bracket 1.

Referring to fig. 2, the clamping mechanism 5 includes a fixing rod 51, a fixing frame 52 and a abutting assembly 53, an outer peripheral wall of the fixing rod 51 is arranged in a hexagonal shape, an inner hexagonal through groove 11 matched with the fixing rod 51 in an inserting manner is formed in the support 1 corresponding to the outer peripheral wall of the fixing rod 51, one end of the fixing rod 51 is inserted into the inner hexagonal through groove 11 in the support 1, and the fixing frame 52 is fixed to one end of the fixing rod 51 far away from the support 1 in a welding manner;

referring to fig. 2, the abutting assembly 53 is disposed on a sidewall of the fixing frame 52, and includes a screw 531 threaded through the sidewall of the fixing frame 52 and an abutting plate 532 fixed at one end of the screw 531, one end of the screw 531 extends into the fixing frame 52 through the sidewall of the fixing frame 52, and the abutting plate 532 is located at an end of the fixing screw 531 in the fixing frame 52.

When the digital dynamometer 21 needs to be fixed, referring to fig. 2, the fixing rod 51 is inserted into the inner hexagonal through groove 11 to realize the installation and fixation of the fixing frame 52, then the digital dynamometer 21 extends into the fixing frame 52, the screw 531 is screwed, the abutting plate 532 at the end of the screw 531 approaches to the side wall of the digital dynamometer 21, and finally the digital dynamometer 21 abuts against the inner wall of the fixing frame 52, so that the installation and fixation of the digital dynamometer 21 are realized.

In order to reduce the damage of the tightening plate 532 to the digital dynamometer 21, referring to fig. 2, an elastic cushion layer 6 for buffering is adhered to one side of the tightening plate 532 facing away from the screw 531. When the digital dynamometer 21 is fixed, the digital dynamometer 21 extends into the fixed frame 52, the force measuring end of the digital dynamometer 21 is vertically downward, the screw 531 is screwed, the screw 531 drives the abutting plate 532 to abut the digital dynamometer 21 on the inner side wall of the fixed frame 52, and therefore the digital dynamometer 21 is installed and fixed.

The implementation principle of the device for measuring the height of the cast-in-place concrete pile in the embodiment of the application is as follows: when the height of a cast-in-place pile is required to be poured to be consistent with the elevation, the support 1 is fixed on the ground near a drill hole, the measuring hammer 3 is placed into the drill hole, the measuring hammer 3 is enabled to be just located at the elevation in the drill hole, the specific gravity of the measuring hammer 3 is the same as the concrete in the drill hole, in the process of pouring the concrete into the drill hole, when the measuring hammer 3 is just completely immersed in the concrete, the buoyancy force borne by the measuring hammer 3 is equal to the gravity of the measuring hammer 3, the force measured by the digital dynamometer 21 is zero, the controller 42 controls the alarm 41 to give an alarm at the moment, a constructor stops pouring the concrete into the drill hole, in the process, the pouring error is reduced, and the pouring of the cast-in-place pile is more accurate.

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

1. The utility model provides a concrete bored concrete pile height measurement device which characterized in that: the device comprises a support (1), a force measuring mechanism (2) arranged on the support (1), a measuring hammer (3) hung at the force measuring end of the force measuring mechanism (2) and a monitoring mechanism (4) arranged on the support (1) and used for monitoring the force measured by the force measuring mechanism (2).

2. The device for measuring the height of a concrete cast-in-place pile according to claim 1, characterized in that: force measuring mechanism (2) are including digital dynamometer (21) and survey rope (22), the casing of digital dynamometer (21) is installed on support (1), the vertical setting down of dynamometry end of digital dynamometer (21), survey rope (22) one end with the dynamometry end fixed connection of digital dynamometer (21), the other end with survey hammer (3) fixed connection.

3. The device for measuring the height of a concrete cast-in-place pile according to claim 2, wherein: monitoring mechanism (4) including set up in alarm (41) and controller (42) on support (1), controller (42) respectively with digital dynamometer (21) and alarm (41) electricity are connected.

4. The device for measuring the height of a concrete cast-in-place pile according to claim 2, wherein: the support (1) is provided with a clamping mechanism (5) for clamping and fixing the digital dynamometer (21).

5. The device for measuring the height of a cast-in-place concrete pile according to claim 4, wherein: fixture (5) are including dead lever (51), fixed frame (52) and support tight subassembly (53), dead lever (51) one end is installed on support (1), fixed frame (52) are fixed dead lever (51) are kept away from the one end of support (1), support tight subassembly (53) and be located on the lateral wall of fixed frame (52), it is right to support tight subassembly (53) be used for digital dynamometer (21) in fixed frame (52) support tightly fixedly.

6. The cast-in-place concrete pile height measuring device according to claim 5, characterized in that: dead lever (51) periphery wall is outer hexagonal setting, correspond on support (1) the interior hexagon that grafting adaptation led to the groove (11) have been seted up to dead lever (51) periphery wall.

7. The device for measuring the height of a concrete cast-in-place pile according to claim 5, wherein: the abutting assembly (53) comprises a screw rod (531) which is arranged on the side wall of the fixed frame (52) in a threaded penetrating mode and an abutting plate (532) which is fixed at one end of the screw rod (531), and the abutting plate (532) is located at the end portion of the screw rod (531) in the fixed frame (52).

8. The apparatus for measuring the height of a concrete cast-in-place pile according to claim 7, wherein: one side of the abutting plate (532) departing from the screw (531) is provided with an elastic cushion layer (6) for reducing the damage of the abutting plate (532) to the digital dynamometer (21).