阅读说明：本技术 一种滑动触发式钻孔桩混凝土灌注高度控制装置及方法 (Sliding triggering type bored pile concrete pouring height control device and method ) 是由 张乾青 马彬 崔伟 臧洪敏 袁永才 崔春雨 杜付鑫 吴士乾 邵斌 于 2021-08-17 设计创作，主要内容包括：本公开公开的一种滑动触发式钻孔桩混凝土灌注高度控制装置及方法,包括：探测感应装置、与探测感应装置连接的探杆、与探杆连接的支撑结构和报警器；探测感应装置包括外壳和能够相对外壳移动的内部件,在外壳上设置开关,开关与报警器连接,在内部件上设置与开关位置对应的凸起,内部件移动使凸起触及开关,报警器发出报警。实现了对灌浆过程中混凝土灌注高度的精确控制。(The utility model discloses a slip triggering formula bored concrete pile concrete placement height control device and method, include: the device comprises a detection sensing device, a probe rod connected with the detection sensing device, a supporting structure connected with the probe rod and an alarm; the detection sensing device comprises a shell and an inner part capable of moving relative to the shell, a switch is arranged on the shell and connected with the alarm, a protrusion corresponding to the position of the switch is arranged on the inner part, the inner part moves to enable the protrusion to touch the switch, and the alarm gives an alarm. The accurate control of the concrete pouring height in the grouting process is realized.)

1. The utility model provides a slip triggers formula bored concrete pile height control device that pours into, its characterized in that includes: the device comprises a detection sensing device, a probe rod connected with the detection sensing device, a supporting structure connected with the probe rod and an alarm;

the detection sensing device comprises a shell and an inner part capable of moving relative to the shell, a switch is arranged on the shell and connected with the alarm, a protrusion corresponding to the position of the switch is arranged on the inner part, the inner part moves to enable the protrusion to touch the switch, and the alarm gives an alarm.

2. The slip-triggered bored pile concrete placement height control device of claim 1, wherein the probe comprises a threaded rod and a universal rod connected, the universal rod is connected to the detection sensing device, and the threaded rod is connected to the support mechanism.

3. The apparatus of claim 1, wherein the support structure comprises a probe holder and a support frame for supporting the probe holder, and the probe is threadedly coupled to the probe holder.

4. The device for controlling the concrete pouring height of the sliding trigger type bored pile according to claim 1, wherein one end of the probe is connected to the detection sensing device, and the other end of the probe is connected to the alarm.

5. The slip-triggered bored pile concrete pouring height control device according to claim 1, wherein the housing includes an outer wall and a cover plate provided at one end of the outer wall, the cover plate is connected to the probe rod, a slide groove engaged with the protrusion of the inner member is provided in the outer wall, and a switch connected to the alarm is provided in the slide groove.

6. The slip-triggered bored pile concrete placement height control device according to claim 5, wherein the inner member comprises an inner cylinder, an inner cylinder top cover is provided at an end of the inner cylinder facing the cover plate, an inner cylinder bottom net is provided at an end of the inner cylinder facing away from the cover plate, a protrusion for accessing the switch is provided outside the inner cylinder, the protrusion of the inner member is located in the slide groove and can move along the slide groove, and the switch is accessed during movement of the protrusion to cause the alarm to alarm.

7. The slip-trigger bored pile concrete placement height control device according to claim 6, wherein the cover plate and the inner cylinder head are provided with a passage for slurry to pass through.

8. The concrete pouring height control device for the sliding trigger type bored pile according to claim 6, wherein the bottom net of the inner cylinder is used for isolating aggregates with fineness modulus larger than 3.7 in slurry.

9. The slip-trigger bored pile concrete placement height control device according to claim 6, wherein a slip damper is connected between the cover plate and the inner cylinder head.

10. A sliding triggering type bored pile concrete pouring height control method comprises the following steps:

fixing the support structure;

lowering the detection induction device to the preset depth of the pile hole;

in the grouting process, the bulge moves towards the switch direction;

when the concrete grout reaches the preset depth, the bulge touches the switch, and the alarm gives an alarm.

Technical Field

The invention relates to the technical field of cast-in-place concrete piles, in particular to a sliding triggering type device and method for controlling the cast-in-place concrete height of a bored pile.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

At present, the preferred form of building engineering foundations of high-rise buildings, large bridges and the like is a concrete cast-in-place pile, but the concrete cast-in-place height of the pile top in the concrete cast-in-place pile is difficult to accurately control, when the elevation control of the pile top is not accurate, the problem of overlarge concrete cast-in quantity or insufficient cast-in quantity can occur, when the cast-in quantity is overlarge, unnecessary waste is caused, and excessive concrete can bring certain environmental pollution; when the pouring amount is insufficient, the construction quality of the cast-in-place concrete pile cannot be guaranteed.

The existing concrete filling height control device needs manual support and fixation on the control device when controlling the concrete filling height, and is easy to cause unstable fixation or position deviation in the manual support process, thereby causing the problem of inaccurate control on the filling height.

Disclosure of Invention

In order to solve the problems, the disclosure provides a sliding triggering type device and method for controlling the concrete pouring height of a bored pile, wherein a probe rod connected with a detection sensing device is supported and fixed through a supporting structure, so that the position stability of the detection sensing device in the grouting process is realized, and the accurate control of the concrete pouring height can be ensured.

In order to achieve the purpose, the following technical scheme is adopted in the disclosure:

in a first aspect, a sliding trigger type bored pile concrete pouring height control device is provided, including: the device comprises a detection sensing device, a probe rod connected with the detection sensing device, a supporting structure connected with the probe rod and an alarm;

the detection sensing device comprises a shell and an inner part capable of moving relative to the shell, a switch is arranged on the shell and connected with the alarm, a protrusion corresponding to the position of the switch is arranged on the inner part, the inner part moves to enable the protrusion to touch the switch, and the alarm gives an alarm.

In a second aspect, a method for controlling the concrete pouring height of a sliding trigger type bored pile is provided, which includes:

fixing the support structure;

lowering the detection induction device to the preset depth of the pile hole;

in the grouting process, the bulge moves towards the switch direction;

when the concrete grout reaches the preset depth, the bulge touches the switch, and the alarm gives an alarm.

Compared with the prior art, the beneficial effect of this disclosure is:

1. this is disclosed through setting up detection induction system, when filling the height and meeting the requirements, touches the switch through the arch, triggers the alarm and sends the warning to stop the grout, realize the accurate control to concrete filling height.

2. This is disclosed supports fixedly through setting up bearing structure to connecting the probe rod of surveying induction system, has prevented that the sensing device takes place the offset among the grout in-process, makes to pour the inaccurate problem of height detection, has further guaranteed to concrete the accurate control of height that pours.

3. This openly sets up the sliding damper between the inner tube top cap of the apron of shell and inner part, avoids the mud-water flow to drive the inner tube displacement and causes the alert condition of wrong report among the slip casting process, effectively guarantees to concrete pouring height's accurate control.

Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

FIG. 1 is a schematic structural diagram of a control device disclosed in embodiment 1;

fig. 2 is a schematic structural diagram of the detection sensing apparatus disclosed in embodiment 1;

fig. 3 is a sectional view of the detection sensor device disclosed in example 1.

Wherein: 1. alarm, 2, threaded rod, 3, probe rod fixer, 4, supporting structure, 5, inner support, 6, universal rod, 7, connector, 8, ground, 9, pile hole, 10, detection sensing device, 11, cover plate, 12, electric wire, 13, sliding damper, 14, contact switch, 15, inner cylinder, 16, inner cylinder bottom net, 17, outer wall, 18, sliding chute, 19 and lug.

The specific implementation mode is as follows:

the present disclosure is further described with reference to the following drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.

Example 1

In this embodiment, a slip trigger type bored pile concrete pouring height control device is disclosed, including: the device comprises a detection sensing device, a probe rod connected with the detection sensing device, a supporting structure connected with the probe rod and an alarm;

the detection sensing device comprises a shell and an inner part capable of moving relative to the shell, a switch is arranged on the shell and connected with the alarm, a protrusion corresponding to the position of the switch is arranged on the inner part, the inner part moves to enable the protrusion to touch the switch, and the alarm gives an alarm.

Furthermore, the feeler lever is connected with the detection sensing device including the threaded rod and the universal rod that are connected, and the threaded rod is connected with supporting mechanism.

Furthermore, the supporting structure comprises a probe rod fixer and a supporting frame for supporting the probe rod fixer, and the probe rod is in threaded connection with the probe rod fixer.

Furthermore, one end of the probe rod is connected with the detection sensing device, and the other end of the probe rod is connected with the alarm.

Further, the shell includes the outer wall and sets up in the apron of outer wall one end, and the apron is connected with the probe rod, sets up in the outer wall with the protruding complex spout of inner part, sets up the switch of being connected with the alarm in the spout.

Furthermore, the inner part comprises an inner cylinder, an inner cylinder top cover is arranged at one end, facing the cover plate, of the inner cylinder, an inner cylinder bottom net is arranged at one end, far away from the cover plate, of the inner cylinder, a protrusion used for touching the switch is arranged outside the inner cylinder, the protrusion of the inner part is located in the sliding groove and can move along the sliding groove, and the protrusion touches the switch in the moving process to enable the alarm to give an alarm.

Furthermore, the cover plate and the top cover of the inner cylinder are both provided with channels for slurry to pass through.

Further, the bottom net of the inner cylinder is used for isolating aggregates with fineness modulus larger than 3.7 in the slurry.

Furthermore, a sliding damper is connected between the cover plate and the top cover of the inner cylinder.

The concrete pouring height control device for the sliding trigger type bored pile disclosed in the present embodiment will be described in detail.

In order to realize the accurate control of the concrete pouring height in the grouting process, in this embodiment, a concrete pouring height control device for a sliding trigger type bored pile is disclosed, as shown in fig. 1, including: the device comprises a detection sensing device 10, a probe rod connected with the detection sensing device 10, a supporting structure 4 for supporting the probe rod and an alarm 1.

The structure of the detection sensing device 10 is shown in fig. 2 and 3, and includes an outer casing and an inner part disposed in the outer casing and capable of moving relative to the outer casing.

The shell comprises an outer wall 17 and a cover plate 11 arranged at one end of the outer wall 17, a sliding groove 18 is arranged on the inner wall of the outer wall 17, and a switch connected with the alarm is arranged in the sliding groove 18.

In particular use, the switch may be a contact switch 14.

The inner part includes inner tube 15, and inner tube 15 places inside outer wall 17, sets up the inner tube top cap at the one end of inner tube 15 towards apron 11, sets up the inner tube end net at the one end of keeping away from apron 11 at inner tube 15, sets up the arch in the outside of inner tube 15, and this arch is installed in the spout 18 of shell to can follow spout 18 and reciprocate, when the arch removes in spout 18, can touch switch 14, thereby arouse alarm 1 to report to the police.

In particular implementations, the projections may take the form of lugs 19.

And in order to guarantee the steady movement of the inner part in the shell, the number of the sliding grooves 18 is two, the number of the bulges is two, and the sliding grooves 18 are symmetrically arranged on the outer wall 17, so that the stability of the inner part in the shell is guaranteed.

Set up the passageway that can supply the concrete thick liquid to pass through on apron 11 and inner tube top cap, inner tube bottom net 16 is arranged in the coarse aggregate that keeps apart in the concrete thick liquid, specifically is: the mesh openings provided in the inner cylinder bottom net 16 allow the slurry of the concrete slurry excluding the coarse aggregate to pass therethrough, but do not allow the coarse aggregate in the concrete slurry to pass therethrough.

The coarse aggregate is an aggregate with fineness modulus more than 3.7.

In the grouting process, coarse aggregate in concrete grout pushes the bottom net of the inner barrel to drive the protrusion on the inner barrel to move in the sliding groove, when the concrete grout reaches the preset depth, the protrusion is in contact with the switch, the alarm sends out an alarm signal, grouting is stopped, and control over the grouting height is achieved.

In order to prevent the occurrence of false alarm caused by the displacement of the inner barrel driven by the flowing of slurry in the grouting process, thereby influencing the precision of the control of the filling height, a sliding damper 13 is arranged between the inner part and the shell.

When the concrete implementation, set up sliding damper 13 between apron 11 and inner tube top cap, sliding damper 13's one end is connected apron 11 promptly, and the inner tube top cap is connected to the other end, eliminates the inner tube vibration that mud floated and bring through sliding damper to the emergence of the wrong report condition has been prevented, in the in-service use process, can change the sliding damper 13 of adaptation according to the in-service use condition, in order to guarantee optimal shock attenuation effect.

The probe rod comprises a threaded rod 2 and a universal rod 6 which are connected, the threaded rod 2 and the universal rod 6 are detachably connected, the threaded rod 2 is used for being connected with the supporting structure 4, and the universal rod 6 is connected with a cover plate 11 in the detection sensing device 10.

In order to adapt to different detection depth requirements, when the concrete implementation is carried out, the position of the detection sensing device 10 extending into the pile hole can be adjusted by adopting a mode that multiple sections of probe rods are connected, adjacent probe rods are connected through the connector 7, the position of the detection sensing device 10 can be adjusted according to the filling height required to be detected by adopting the multiple sections of probe rods, and the use is more convenient.

When concrete implementation, apron 11 is threaded connection with general pole 6, through apron 11 with general pole 6 for can dismantle the connection, make things convenient for the integral erection of the formula bored concrete pile concrete pouring height control device that triggers that slides that this embodiment discloses.

The supporting structure 4 comprises a probe rod fixer 3 and a supporting frame, the supporting frame is used for supporting the probe rod fixer 3, and the probe rod fixer 3 is in threaded connection with the threaded rod 2, so that the probe rod is supported and fixed.

In specific implementation, in order to ensure the verticality and stability of the probe rod, the number of the probe rod holders 3 is two.

The support frame comprises an external support leg and an internal support rod 5 connected with the external support leg, wherein one probe rod fixer 3 is positioned at one end of the external support leg, the other end of the external support leg is used for being placed on the ground for supporting, the external support leg can be a tripod, the height of the tripod can be adjusted, the tripod can be an existing tripod support frame and comprises three support legs, an angle is set at an interval between every two adjacent support legs, each support leg comprises an upper leg, a lower leg and a height adjusting device, the upper leg and the lower leg are respectively connected with the height adjusting device, the height of the tripod is adjusted through the height adjusting device, the upper end of the upper leg is connected with the probe rod fixer, the lower end of the lower leg is used for being placed on the ground for supporting, the internal support rod 5 is respectively connected with the height adjusting device, the end part of the internal support rod 5 is connected with the other probe rod fixer 3, and the two probe rod fixers 3 are coaxially arranged, so as to ensure the vertical stability of the probe rod after installation.

Set up the screw thread with 2 looks adaptations of threaded rod on probe rod fixer 3 for threaded rod 2 is threaded connection with probe rod fixer 3, and the adjustment of the degree of depth is transferred to convenient survey induction system 10.

The electric wire 12 is arranged in the probe rod, the alarm 1 is installed at one end, which is not connected with the detection sensing device 10, of the probe rod, the electric wire 12 is connected with the switch and the alarm 1, when the protrusion touches the switch, the alarm 1 can give an alarm, grouting is stopped, and accurate control of grouting height is achieved.

This is disclosed when using, places bearing structure in subaerial around stake hole 9, through the adjustment probe rod, will survey induction system 10 and transfer to the predetermined degree of depth, and the grout in-process, the inner part drives protruding to the switch direction removal, and when the concrete grout reached the predetermined degree of depth, the protruding switch that touches, the alarm sends the warning, stops the grout, has realized the accurate control to pouring the height.

This embodiment is through setting up detection induction system, when filling the height and meeting the requirements, touches the switch by the arch, triggers the alarm and sends the warning to stop the grout, realize the accurate control to concrete filling height.

Still support fixedly to connecting detection induction system's probe rod through setting up bearing structure, prevented that the grout in-process from surveying induction system and taking place the offset, make and fill the unsafe problem of height detection to set up the slip damper between the inner tube top cap of the apron of shell and inner part, avoid the grout in-process muddy water flow to drive the inner tube displacement and cause the alert condition of wrong report, effectively guarantee to the accurate control of concrete filling height.

Example 2

In this embodiment, a method for controlling a concrete pouring height of a sliding trigger type bored pile is disclosed, which includes:

fixing the support structure;

lowering the detection induction device to the preset depth of the pile hole;

in the grouting process, the bulge moves towards the switch direction;

when the concrete grout reaches the preset depth, the bulge touches the switch, and the alarm gives an alarm.

The concrete pouring height control method for the sliding trigger type bored pile disclosed in the present embodiment will be described in detail.

A. According to construction requirements and grouting parameters, selecting a proper sliding damper to ensure that the displacement of the inner cylinder caused by slurry fluctuation is filtered out, replacing the size of a bottom net of the inner cylinder to ensure that coarse aggregate in concrete slurry cannot pass through, and finishing the assembly of the detection sensing device;

B. when the device reaches a specified grouting place, a supporting structure is installed, and the probe rod is connected with a detection sensing device;

C. selecting a probe rod with proper length according to construction design requirements, lowering the detection sensing device to a preset depth, and locking the probe rod through a probe rod fixer on a supporting structure to keep stability;

D. grouting is started, when concrete slurry reaches a preset depth, the protrusion contacts the switch, the alarm gives an alarm and grouting is stopped;

E. sequentially recovering the probe rod and the detection induction device, and then moving to the next grouting point to repeat the steps;

F. and (4) recovering and splitting the devices in sequence until all grouting work is finished, and washing the devices clean by using clear water for the next use.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.