CN111549768A

CN111549768A - Method for quickly and accurately controlling pile head height

Info

Publication number: CN111549768A
Application number: CN202010467874.3A
Authority: CN
Inventors: 张文志; 周军强; 陈世霖; 周扬; 刘四德; 王宏
Original assignee: Third Engineering Co Ltd of China Railway 22nd Bureau Group Co Ltd
Current assignee: Third Engineering Co Ltd of China Railway 22nd Bureau Group Co Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-08-18
Anticipated expiration: 2040-05-28
Also published as: CN111549768B

Abstract

The invention discloses a method for quickly and accurately controlling the height of a pile head, which belongs to the field of building basic equipment and comprises a pile hole pretreatment step, a concrete pouring step, a ballast material sampling step and a pile head height analyzing and judging step. The method for quickly and accurately controlling the height of the pile head disclosed by the invention can analyze whether the ballast position meets the construction requirement of the height of the pile head, has the advantages of simple tool structure, simplicity and convenience in construction, economy and economization, is more accurate in measuring the height of the cast-in-place pile head, and ensures the quality of the cast-in-place pile head.

Description

Method for quickly and accurately controlling pile head height

Technical Field

The invention relates to the field of building foundation equipment, in particular to a method for quickly and accurately controlling the height of a pile head.

Background

In the construction of building foundation, the bored concrete pile is a pile foundation type very often, belongs to secret engineering in the underground, and various adverse factors that influence the concrete consumption can appear in the concrete pouring process, confirms the method of pile head pouring height through calculating the concrete consumption and can't realize basically, and the most common way of controlling pile head pouring height in the construction has: firstly, the method of hanging a pendant by a measuring rope judges the height of a pile head by the touch of the pendant contacting different slurries, the subjectivity is very large, and most experienced technical workers can make mistakes. Secondly, the height of the pile head is judged by inserting the umbrella-shaped rod-shaped object with the end part into the hole and inserting the rod-shaped object into different slurry and the aggregates mixed with the end part of the rod bottom, so that the subjectivity is very high, whether the aggregates mixed with the end part are concrete materials at the position of the pile head cannot be accurately defined, and the height of the pile head cannot be well controlled. As mentioned above, the existing control technology of the pile head of the cast-in-place pile has poor accuracy, easily causes over-filling or insufficient filling height, and causes great hidden troubles to engineering cost and quality control.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to solve the technical problem of providing a method for quickly and accurately controlling the height of a pile head.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a method for quickly and accurately controlling the height of a pile head, which comprises a pile hole preprocessing step and a concrete pouring step, wherein an operator firstly adopts the pile hole preprocessing step, cleans the hole bottom after a cast-in-place pile is drilled, issues a reinforcing cage, installs an underwater concrete pouring guide pipe, cleans the hole bottom again, adjusts slurry, then adopts the concrete pouring step, calculates the concrete dosage and pours underwater concrete, stops pouring when the concrete is poured to be close to the pile head elevation, reasonably determines the pile head elevation to be poured, further comprises a ballast material sampling step and a pile head height analyzing and judging step, when the concrete is poured to be close to the pile head elevation, the operator adopts the ballast material sampling step, inserts a ballast tool into a pile hole to sample ballast materials, and then adopts the pile head height analyzing and judging step, calculating the height of a theoretical cast-in-place pile head according to the concrete pouring volume, analyzing and judging by combining ballast materials extracted by a ballast extracting tool to judge the actual pile head position, wherein the ballast extracting tool comprises a connecting rod group and at least three ballast extracting barrels, the three ballast extracting barrels are mutually and fixedly connected through the connecting rod group, each ballast extracting barrel comprises two barrel cover groups, a barrel body group and a movable door group, the upper end part and the lower end part of the barrel body group are respectively connected with one barrel cover group in a covering mode, the movable door group is clamped between the two barrel cover groups, the connecting rod group is fixedly connected with the barrel cover group, after the ballast extracting tool is arranged in a cast-in-place pile hole, an operator can drive the ballast extracting barrels to synchronously rotate through rotating the connecting rod group, so that the movable door group is driven by resistance to circumferentially slide along the barrel body group on the periphery of the barrel cover group to open or close a feed port of the barrel body group, and the feed port of the barrel body group is firstly opened, and (5) filling and taking the ballast sample with the designated height, closing the ballast sample, and recording the depth of the access hole at the moment.

According to the preferable technical scheme, in the step of analyzing and judging the height of the pile head, after the data recording of an operator is completed, the ballast taking tool is pulled out, the ballast samples in the three ballast taking barrels are poured out, and the actual position of the pile head is judged by comparing the components of the ballast samples in the three ballast taking barrels.

According to the preferable technical scheme, when slurry in the three ballast taking barrels is consistent and concrete aggregate is contained, the situation that the ballast taking position is too deep is shown.

According to the preferable technical scheme, when the slurry in the three ballast taking barrels is consistent and no concrete aggregate exists, the ballast taking position is over shallow.

According to the preferable technical scheme, when slurry of the lower two ballast taking barrels in the three ballast taking barrels is the same, the lower two ballast taking barrels both have concrete aggregate, and the ballast samples of the uppermost ballast taking barrels are different, the ballast taking position is indicated to be close to the lower position of the actual pile head elevation.

According to the technical scheme, when slurry phases of two ballast taking barrels on the upper surface in the three ballast taking barrels are the same, ballast samples of the ballast taking barrels on the lowest surface are different, and concrete aggregate exists in the ballast taking barrels on the lowest surface, the ballast taking position is indicated to be close to the upper position of the actual pile head.

The invention has the preferable technical scheme that the barrel body group comprises a barrel body and a door baffle, the door baffle is fixed on the outer barrel wall of the barrel body, the barrel cover group is covered on the end part of the barrel body, the movable door group can slide on the barrel cover group along the circumference of the barrel body in the circumferential direction so as to open or close the feeding hole of the barrel body, and the movable door group can abut against the door baffle to seal the feeding hole of the barrel body.

The invention has the preferable technical scheme that the barrel cover group comprises a conical cover and a guide rail part, the guide rail part is fixed on the conical cover, the conical cover is covered on the end part of the cylinder body through the guide rail part, and the movable door group can circumferentially slide on the guide rail part along the whole body of the cylinder body so as to open or close the feed inlet of the cylinder body.

The invention has the preferable technical scheme that the movable door group comprises a door plate and a resistance plate, wherein the resistance plate is fixed on the outer wall of the door plate, and the resistance plate can drive the door plate to circumferentially slide on the guide rail part along the whole body of the cylinder body under the action of resistance force so as to open or close the feeding hole of the cylinder body.

The invention preferably adopts the technical scheme that the connecting rod group comprises a telescopic rod group and a plurality of connecting support rods, one end of the telescopic rod group is fixedly connected with one ballast taking barrel, and two adjacent ballast taking barrels are mutually and fixedly connected through the connecting support rods.

The invention preferably adopts the technical scheme that the telescopic rod group comprises an outer sleeve rod, a plurality of inner sleeve rods with different pipe diameters and nested with each other and an elastic buckle group matched with each inner sleeve rod, wherein the outer sleeve rod is sleeved on the inner sleeve rods, the elastic buckle group is embedded in the inner wall of the upper end part of each inner sleeve rod, the inner sleeve rod with the smallest pipe diameter is fixedly connected with a ballast taking barrel, the lower end part of the outer sleeve rod is provided with a first clamping hole, the lower end part of each inner sleeve rod is provided with a second clamping hole, and the elastic buckle group is clamped with the first clamping hole or the second clamping hole to realize the height telescopic adjustment of the telescopic rod group.

The invention has the preferable technical scheme that the elastic buckle group comprises an outer sleeve, a buckle piece, a connecting shaft and a spring piece, wherein the outer sleeve is sleeved on the spring piece, one end of the connecting shaft is fixedly connected with the inner wall of the upper end part of the inner sleeve rod, the other end of the connecting shaft penetrates through the outer sleeve and is fixedly connected with one end of the spring piece, the other end of the spring piece is fixedly connected with one end of the buckle piece, the other end of the buckle piece penetrates through the pipe wall of the inner sleeve rod, and the buckle piece can be clamped with the first clamping hole or the second clamping hole so as to realize the telescopic adjustment of the height of the.

The invention has the preferable technical scheme that the pipe wall of the outer sleeve rod and the pipe wall of the inner sleeve rod are respectively engraved with a depth scale for measuring the depth of the access hole.

According to the preferable technical scheme, the ballast taking tool further comprises a rotating handle, the rotating handle is fixed at the end part of the connecting rod group, and the rotating handle is connected with the ballast taking barrel through the connecting rod group.

The invention has the preferable technical scheme that the rotating handle comprises two cross rods which are distributed in parallel, and the two cross rods are respectively fixed at the end parts of the connecting rod group.

The invention has the beneficial effects that:

according to the method for quickly and accurately controlling the height of the pile head, the opening and closing states of the ballast taking barrel are kept by utilizing the opening and closing of the movable door group. The connecting rod group and the ballast taking barrel are made of light alloy materials, so that the connecting rod group is high in rigidity, low in density and convenient to construct and operate. The connecting rod group and the ballast taking barrel are welded in a processing plant by cutting and blanking of a machine tool, the size is measured by combining the field construction condition in advance, the mark is clear and clear, the processing plant can guarantee that all parts are tightly and firmly connected during processing, the processing is simple, the operation is easy, and the structure is stable and reliable. Get the tiny fragments of stone, coal, etc. bucket and adopt the structure that bung group and ladle body group combined together to be used for bearing sample tiny fragments of stone, coal, etc. material sample is opened and close in order to carry out tiny fragments of stone, coal, etc. material through rotating connecting rod group control dodge gate group, adopts at least three tiny fragments of stone, coal, etc. bucket of getting, is convenient for once adorn the tiny fragments of stone, coal, etc. appearance of getting the different degree of depth to contrastive analysis concrete quality and. Through the process, the operation personnel can collect the ballast materials at the pile head pouring position by a method for quickly and accurately controlling the height of the pile head, the accuracy of measuring the height of the pouring pile head is ensured, and the method is simple and convenient to construct and is economical and economical.

Drawings

Fig. 1 is an overall structural assembly schematic diagram of a ballast extracting tool provided in the embodiment of the invention;

fig. 2 is an exploded view of a structure of a ballast extracting tool provided in the embodiment of the invention;

FIG. 3 is a schematic view of an assembly structure of an inner loop bar and an elastic buckle set provided in an embodiment of the present invention;

fig. 4 is an exploded view of a structure of a ballast fetching barrel provided in the embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a resilient snap-fastener set provided in an embodiment of the present invention;

FIG. 6 is an exploded view of the structure of a stack of barrels provided in an embodiment of the present invention;

fig. 7 is an exploded view of the structure of a barrel cover assembly provided in an embodiment of the present invention;

fig. 8 is a schematic construction flow diagram of a method for rapidly and accurately controlling the height of a pile head according to an embodiment of the present invention.

In the figure:

A. pile hole pretreatment; B. concrete pouring; C. sampling the ballast material; D. analyzing and judging the height of the pile head; 0. a ballast taking tool; 1. a connecting rod group; 11. a set of telescoping rods; 110. a depth scale; 111. an outer loop bar; 1110. a first clamp hole; 112. an inner loop bar; 1120. a second capture aperture; 113. an elastic buckle group; 1131. an outer sleeve; 1132. a fastener; 1133. a connecting shaft; 1134. a spring member; 12. connecting a support rod; 2. taking a ballast barrel; 21. a barrel cover group; 211. a conical cover; 212. a rail member; 22. a barrel body group; 221. a cylindrical body; 222. a door stop; 23. a movable door group; 231. a door panel; 232. a resistance plate; 3. rotating the handle; 31. a cross bar.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings. It is to be understood that the described embodiments are presently preferred embodiments of the invention and are not to be taken as an exclusion of other embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the claims, the specification and the drawings of the present invention, unless otherwise expressly limited, the terms "first", "second" or "third", etc. are used for distinguishing between different items and not for describing a particular sequence.

In the claims, the specification and the drawings of the present invention, unless otherwise expressly limited, all directional or positional relationships indicated by the terms "center," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," "counterclockwise," and the like are based on the directional or positional relationships indicated in the drawings and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so indicated must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention.

In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the terms "fixedly connected" or "fixedly connected" should be interpreted broadly, that is, any connection between the two that does not have a relative rotational or translational relationship, that is, non-detachably fixed, integrally connected, and fixedly connected by other devices or elements.

In the claims, the specification and the drawings of the present invention, the terms "including", "having" and their variants, if used, are intended to be inclusive and not limiting.

As shown in fig. 1 to 8, the method for quickly and accurately controlling the height of a pile head provided in this embodiment includes a pile hole preprocessing step a and a concrete pouring step B, where an operator first performs the pile hole preprocessing step a, cleans a hole bottom after a pile is poured into a hole at a construction site, issues a steel reinforcement cage, installs an underwater concrete pouring pipe, cleans the hole bottom again, adjusts slurry, performs the concrete pouring step B, calculates the concrete consumption, pours underwater concrete, stops pouring when the concrete is poured to a level close to the pile head level, and reasonably determines the level of the pile head to be poured. In order to enable an operator to collect the ballast materials at the pile head pouring position through the method, the accuracy of measuring the height of the pouring pile head is ensured, and the method is simple and convenient to construct and economical. Further, the method for rapidly and accurately controlling the height of the pile head further comprises a ballast material sampling step C and a pile head height analyzing and judging step D, when concrete is poured to be close to the elevation of the pile head, an operator adopts the ballast material sampling step C to insert a ballast taking tool 0 into a pile hole to sample ballast materials, then adopts the pile head height analyzing and judging step D to calculate the height of a theoretical poured pile head according to the pouring volume of the concrete and then combine the ballast materials extracted by the ballast taking tool 0 to analyze and judge the position of the actual pile head, wherein the ballast taking tool 0 comprises a connecting rod group 1 and at least three ballast taking barrels 2, the three ballast taking barrels 2 are fixedly connected with each other through the connecting rod group 1, the ballast taking barrels 2 comprise two barrel cover groups 21, a barrel body group 22 and a movable door group 23, the upper end and the lower end of the barrel body group 22 are respectively connected with one barrel cover group 21, and the movable door group 23 is clamped between the two barrel cover groups 21, connecting rod group 1 and barrel head group 21 fixed connection get tiny fragments of stone, coal, etc. instrument 0 and arrange the bored concrete pile hole in after, the operation personnel passes through swivelling joint rod group 1, can drive and get tiny fragments of stone, coal, etc. bucket 2 and do synchronous rotation, make dodge gate group 23 do circumference slip along ladle body group 22's whole body on barrel head group 21 against the power drive effect, in order to open or close ladle body group 22's feed inlet, ladle body group 22's feed inlet is opened earlier, the dress is got the tiny fragments of stone, etc. of appointed elevation and is closed again, the hand-hole degree of depth at this moment of record. The connecting rod group 1 and the ballast taking barrel 2 are made of light alloy materials, so that the steel plate ballast taking barrel is high in rigidity, low in density and convenient to construct and operate. The connecting rod group 1 and the ballast taking barrel 2 are welded in a processing plant in a cutting and blanking mode through a machine tool, the size is measured by combining the field construction condition in advance on a drawing, the mark is clear and clear, the processing plant can guarantee that all parts are tightly and firmly connected during processing, the processing is simple, the operation is easy, and the structure is stable and reliable. Barrel head group 21 and ladle body group 22 make up and are used for bearing sample tiny fragments of stone, coal, etc. material, open and close in order to carry out tiny fragments of stone, coal, etc. material sample through rotating connecting rod group 1 control dodge gate group 23, adopt at least three tiny fragments of stone, coal, etc. bucket 2 of getting, the tiny fragments of stone, coal, etc. appearance of the different degree of depth of being convenient for once adorn to contrastive analysis concrete quality and pile head height, concrete tiny fragments of stone, coal, etc. material sampling process as. After the cast-in-place pile is formed into a hole, the hole bottom is cleaned, a reinforcement cage is issued, an underwater concrete pouring guide pipe is installed, the hole bottom is cleaned again, slurry is adjusted, underwater concrete is prepared to be poured, and the concrete consumption is calculated. When concrete is poured to the position close to the pile head elevation, the pouring is suspended, the influence of the excess materials in the guide pipe on the height of the pile head is considered, the pile head elevation to be poured is reasonably determined, a ballast taking tool 0 is inserted into the hole in advance by 1-2 m according to the field condition, and the concrete elevation of the pile head position at the moment is determined. Get the tiny fragments of stone, coal, etc. instrument 0 and insert the in-process of transferring, the operation personnel hold and rotate connecting rod group 1, keep anticlockwise rotation as far as possible, make dodge gate group 23 receive the horizontal resistance effect that external materials such as thick liquid or concrete produced, force dodge gate group 23 to remain closed state all the time, prevent that the thick liquid from entering into the inner chamber of ladle body group 22 from the feed inlet of ladle body group 22, cause tiny fragments of stone, coal, etc. material sample pollution, cause the influence for the analysis and judgement of pile head concrete quality and get tiny fragments of stone, coal, etc. position. When the ballast taking tool 0 is placed to a preset height, the ballast taking tool 0 rotates clockwise to open the movable door set 23, the ballast taking barrel 2 is in an open state, the ballast samples flow into the barrel body set 22 after rotating for a plurality of weeks, the ballast samples at a specified height are assembled and taken, and the movable door set 23 is closed after rotating for a plurality of weeks. The scale on the connecting rod set 1 is observed, and the depth of the access hole at the moment is recorded. According to the concrete pouring volume, the theoretical cast-in-place pile head height is calculated, and then the ballast materials sampled by the ballast tool 0 are matched, so that the actual pile head position can be rapidly and accurately judged, over-pouring or less-pouring is avoided, compared with the traditional measuring method, the uncertainty is completely eliminated, non-professional skilled workers can easily master the method, the cost is effectively saved, and the pile head quality is improved. Through the process, the operation personnel can collect the ballast materials at the pile head pouring position by a method for quickly and accurately controlling the height of the pile head, the accuracy of measuring the height of the pouring pile head is ensured, and the method is simple and convenient to construct and is economical and economical.

Preferably, in the step D of analyzing and determining the height of the pile head, after the data recording of the operator is completed, the ballast extracting tool 0 is pulled out, three ballast samples in the ballast barrel 2 are poured out, and the actual pile head position is determined by comparing the components of the three ballast samples in the ballast barrel 2. After the data recording is finished, the ballast taking tool 0 is pulled out, the rotating connecting rod group 1 is kept in an anticlockwise rotating state in the pulling and rising process, and the ballast taking barrel 2 is in a tight closing state in the rising process. After the ballast taking tool 0 is completely pulled out, three ballast samples in the ballast taking barrels 2 are poured out from a prepared thin plate or an open place, the ballast samples in the ballast taking barrels 2 are compared in detail, and whether the ballast samples are consistent or not is observed. When the slurry in the three ballast taking barrels 2 is consistent and concrete aggregate is contained, the situation that the ballast taking position is too deep is shown; when the slurry in the three ballast taking barrels 2 is consistent and no concrete aggregate exists, the ballast taking position is over shallow; when slurry of the two ballast taking barrels 2 below the three ballast taking barrels 2 is the same and all have concrete aggregate, and the ballast samples of the ballast taking barrel 2 at the top are different, the ballast taking position is close to the lower position of the actual pile head elevation, and the insertion depth can be slightly reduced according to the elevation position; when two slurry phases of the ballast taking barrels 2 on the upper surface in the three ballast taking barrels 2 are the same, and the ballast samples of the ballast taking barrel 2 on the lower surface are different, and when concrete aggregate is observed, the ballast taking position is close to the upper position of the actual pile head elevation, and the insertion depth can be slightly increased according to the elevation position. Through the process, the accuracy of measuring the height of the cast-in-place pile head is ensured, and the construction is simple, convenient, economical and economical.

Preferably, the barrel set 22 includes a barrel 221 and a door stopper 222, the door stopper 222 is fixed on an outer barrel wall of the barrel 221, the barrel cover set 21 is covered on an end of the barrel 221, the movable door set 23 can circumferentially slide on the barrel cover set 21 along the circumference of the barrel 221 to open or close a feed port of the barrel 221, wherein the movable door set 23 can abut against the door stopper 222 to close the feed port of the barrel 221. Barrel head group 21 and drum body 221 make up and are used for bearing sample tiny fragments of stone, coal, etc. material, open and close in order to carry out tiny fragments of stone, coal, etc. material sample through rotating connecting rod group 1 control dodge gate group 23, and wherein, dodge gate group 23 can offset with door shield 222 in order to seal the feed inlet of drum body 221, and dodge gate group 23 can not move about at will when guaranteeing to get tiny fragments of stone, coal, etc. bucket 2 closed, improves the leakproofness, ensures the reliability of tiny fragments of stone, coal, etc. material sample.

Preferably, the barrel cover set 21 includes a cone cover 211 and a rail member 212, the rail member 212 is fixed on the cone cover 211, the cone cover 211 is covered on the end of the cylinder 221 through the rail member 212, and the movable door set 23 can slide on the rail member 212 along the circumference of the cylinder 221 to open or close the feed opening of the cylinder 221. The sampling ballast material is borne by the conical assembly line type structure formed by combining the conical cover 211 and the cylinder body 221, so that the plugging resistance can be reduced, the data can be conveniently and rapidly measured, and the construction time is saved. The guide rail member 212 and the cylindrical body 221 are assembled to form a running rail of the movable door assembly 23, so that the movable door assembly 23 can circumferentially slide on the guide rail member 212 along the circumference of the cylindrical body 221 to open or close the feed port of the cylindrical body 221, thereby ensuring that the opening and closing of the movable door assembly 23 are smoother and more reliable.

Preferably, the movable door assembly 23 includes a door plate 231 and a resistance plate 232, the resistance plate 232 is fixed on an outer wall of the door plate 231, and the resistance plate 232 is acted by a resistance force to drive the door plate 231 to slide circumferentially on the rail member 212 along the circumference of the cylinder body 221, so as to open or close the feeding hole of the cylinder body 221. The door plate 231 is provided with the resistance plate 232, the opening and closing of the door plate 231 can be controlled by utilizing the horizontal friction resistance generated by external materials such as slurry or concrete in the rotation process to the resistance plate 232, and the problem that the movable door group 23 under the liquid level is difficult to manually open and close is effectively solved.

Preferably, the connecting rod group 1 comprises a telescopic rod group 11 and a plurality of connecting supporting rods 12, one end of the telescopic rod group 11 is fixedly connected with one ballast taking barrel 2, and two adjacent ballast taking barrels 2 are fixedly connected with each other through the connecting supporting rods 12. Connecting branch 12 length is about 40cm for connect adjacent two and get tiny fragments of stone, coal, etc. bucket 2, scalable pole group 11 can freely stretch out and draw back, is convenient for adapt to different pile hole degree of depth, and the suitability is strong, can record the great pile head height of pile hole degree of depth.

Preferably, the telescopic rod set 11 includes an outer loop bar 111, a plurality of inner loop bars 112 with different pipe diameters and nested with each other, and an elastic buckle set 113 adapted to each inner loop bar 112, the outer loop bar 111 is sleeved on the inner loop bar 112, the elastic buckle set 113 is embedded on the inner wall of the upper end of the inner loop bar 112, wherein the inner loop bar 112 with the smallest pipe diameter is fixedly connected to one ballast taking barrel 2, a first clamping hole 1110 is formed on the lower end of the outer loop bar 111, a second clamping hole 1120 is formed on the lower end of the inner loop bar 112, and the elastic buckle set 113 is clamped with the first clamping hole 1110 or the second clamping hole 1120, so as to achieve height telescopic adjustment of the telescopic rod set 11. The outer loop bar 111 and the inner loop bar 112 are both made of hollow cylindrical sleeves, the cross sections of the outer loop bar 111 and the inner loop bar 112 are irregular cylindrical cross sections, it is ensured that the sleeves do not rotate with each other and can only stretch and retract, when an operator pulls the outer loop bar 111 or the inner loop bar 112, the telescopic bar group 11 can stretch freely to adjust the height, when the sleeves stretch to the position where the elastic buckle group 113 corresponds to the first clamping hole 1110 or the second clamping hole 1120, the elastic buckle group 113 can be bounced into the first clamping hole 1110 or the second clamping hole 1120, two adjacent sleeves are fixedly connected, the telescopic bar group 11 can achieve high extension, when the sleeves need to be contracted, the elastic buckle group 113 can be pressed, the sleeves can be contracted to separate from each other, and the telescopic bar group 11 can achieve high retraction.

Preferably, the elastic buckle set 113 includes an outer sleeve 1131, a buckle 1132, a connecting shaft 1133 and a spring member 1134, the outer sleeve 1131 is sleeved on the spring member 1134, one end of the connecting shaft 1133 is fixedly connected with the inner wall of the upper end of the inner sleeve rod 112, the other end of the connecting shaft 1133 penetrates the outer sleeve 1131 and one end of the spring member 1134, the other end of the spring member 1134 is fixedly connected with one end of the buckle 1132, the other end of the buckle 1132 penetrates the tube wall of the inner sleeve rod 112, and the buckle 1132 can be clamped with the first clamping hole 1110 or the second clamping hole 1120 to realize the height telescopic adjustment of the telescopic rod set 11. Wherein, outer tube 1131 is used for cup jointing spring part 1134, plays the effect of bearing and protection spring part 1134, and connecting axle 1133 is used for making spring part 1134 and interior loop bar 112 carry out positioning assembly, and through the flexible effect of the elasticity of spring part 1134, can drive buckle 1132 and first screens hole 1110 or second screens hole 1120 looks joint to realize the high flexible regulation of scalable pole group 11.

Preferably, the pipe wall of the outer sleeve 111 and the pipe wall of the inner sleeve 112 are engraved with a depth scale 110 for measuring the depth of the access hole. Through reading the scale on the depth scale 110, can convenient and fast ground record the manhole degree of depth, the tiny fragments of stone, coal, etc. appearance of the different degree of depth of dress is got, the accurate record data of being convenient for.

Preferably, get tiny fragments of stone, coal, etc. instrument 0 still includes twist grip 3, and twist grip 3 fixes the tip at connecting rod group 1, and twist grip 3 is connected with getting tiny fragments of stone, coal, etc. bucket 2 through connecting rod group 1. The operation personnel is convenient for exert torsion to connecting rod group 1 through twist grip 3 in order to drive get tiny fragments of stone, coal, etc. bucket 2 synchronous revolution.

Preferably, the turning handle 3 comprises two cross bars 31 distributed in parallel, and the two cross bars 31 are respectively fixed at the ends of the connecting rod group 1. The cross bar 31 structure is adopted, so that the operator can hold the rotating handle 3 to apply torque force.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides a method of quick accurate control pile head height, includes pile hole preliminary treatment step (A) and concrete pouring step (B), the operation personnel at first take pile hole preliminary treatment step (A) after job site bored concrete pile pore-forming, clear up to the hole bottom, issue the steel reinforcement cage, the installation is concrete pouring pipe under water, clears up the hole bottom again, adjusts the thick liquid, then takes concrete pouring step (B), calculates the concrete dosage earlier, concrete pouring under water again, when the concrete is poured to being close pile head elevation, the pause is poured, rationally confirms to correspond bored concrete pile head elevation, its characterized in that:

the method for quickly and accurately controlling the height of the pile head further comprises a ballast material sampling step (C) and a pile head height analyzing and judging step (D);

when concrete is poured to the position close to the elevation of the pile head, an operator adopts the step (C) of sampling the ballast materials, inserts a ballast taking tool (0) into a pile hole to sample the ballast materials, then adopts the step (D) of analyzing and judging the height of the pile head, calculates the height of the theoretical poured pile head according to the pouring amount of the concrete, and then combines the ballast materials extracted by the ballast taking tool (0) to analyze and judge so as to judge the position of the actual pile head;

the ballast taking tool (0) comprises a connecting rod group (1) and at least three ballast taking barrels (2), the three ballast taking barrels (2) are fixedly connected with each other through the connecting rod group (1), each ballast taking barrel (2) comprises two barrel cover groups (21), a barrel body group (22) and a movable door group (23), the upper end and the lower end of each barrel body group (22) are respectively connected with one barrel cover group (21) in a covering mode, the movable door groups (23) are clamped between the two barrel cover groups (21), and the connecting rod group (1) is fixedly connected with the barrel cover groups (21);

get after filling pile hole is arranged in tiny fragments of stone, coal, etc. instrument (0), the operation personnel are through rotatory connecting rod group (1), can drive get tiny fragments of stone, coal, etc. bucket (2) and do synchronous rotation, make dodge gate group (23) are prevented the power drive effect and are in follow on bung group (21) circumference slip is made to the whole body of ladle body group (22), in order to open or close the feed inlet of ladle body group (22), the feed inlet of ladle body group (22) is opened earlier, and the dress is got the tiny fragments of stone, coal, etc. of appointed elevation and is closed again after the appearance, the hand-hole degree of depth at this moment of record.

2. The method for rapidly and accurately controlling the height of the pile head according to claim 1, wherein the method comprises the following steps:

in the step (D) of analyzing and judging the height of the pile head, after the data recording of an operator is completed, the ballast taking tool (0) is pulled out, three ballast samples in the ballast taking barrel (2) are poured out, and the actual pile head position is judged by comparing the three ballast sample components in the ballast taking barrel (2).

3. The method for rapidly and accurately controlling the height of the pile head according to claim 2, wherein the method comprises the following steps:

when the slurry in the three ballast taking barrels (2) is consistent and concrete aggregate is contained, the situation that the ballast taking position is too deep is shown.

4. The method for rapidly and accurately controlling the height of the pile head according to claim 2, wherein the method comprises the following steps:

and when the slurry in the three ballast taking barrels (2) is consistent and no concrete aggregate exists, the situation that the ballast taking position is too shallow is indicated.

5. The method for rapidly and accurately controlling the height of the pile head according to claim 2, wherein the method comprises the following steps:

when three get in tiny fragments of stone, coal, etc. bucket (2) two below get tiny fragments of stone, coal, etc. bucket (2) thick liquid phase simultaneously, and two below get tiny fragments of stone, coal, etc. bucket (2) all have concrete aggregate, and the topmost get tiny fragments of stone, coal, etc. bucket (2) tiny fragments of stone, coal, etc. appearance when inequality, explain get tiny fragments of stone, coal, etc. position and lean on lower position at actual pile head elevation.

6. The method for rapidly and accurately controlling the height of the pile head according to claim 2, wherein the method comprises the following steps:

when the three get in the tiny fragments of stone, coal, etc. bucket (2) the upper two get tiny fragments of stone, coal, etc. bucket (2) thick liquid phase simultaneously, and the bottom get tiny fragments of stone, coal, etc. bucket (2) tiny fragments of stone, coal, etc. and the tiny fragments of stone, coal, etc. sample is inequality, and the bottom get tiny fragments of stone, coal, etc. bucket (2) when having concrete aggregate, explain get tiny fragments of stone, coal, etc. position and lean on the upper position.

7. The method for rapidly and accurately controlling the height of the pile head according to claim 1, wherein the method comprises the following steps:

the barrel group (22) comprises a cylindrical body (221) and a door baffle (222);

the door baffle (222) is fixed on the outer cylinder wall of the cylinder body (221), and the barrel cover group (21) is covered on the end part of the cylinder body (221);

the movable door group (23) can circumferentially slide on the barrel cover group (21) along the whole body of the cylinder body (221) to open or close the feeding hole of the cylinder body (221), wherein the movable door group (23) can abut against the door baffle (222) to close the feeding hole of the cylinder body (221);

the barrel cover group (21) comprises a conical cover (211) and a guide rail piece (212);

the rail piece (212) is fixed on the cone cover (211), and the cone cover (211) is covered on the end part of the cylinder body (221) through the rail piece (212);

the movable door group (23) can circumferentially slide on the guide rail component (212) along the whole body of the cylinder body (221) so as to open or close a feed port of the cylinder body (221);

the movable door group (23) comprises a door panel (231) and a resistance plate (232);

the resistance plate (232) is fixed on the outer wall of the door panel (231);

the resistance plate (232) can drive the door plate (231) to slide along the circumference of the cylinder body (221) on the guide rail piece (212) under the action of resistance force so as to open or close the feed inlet of the cylinder body (221).

8. The method for rapidly and accurately controlling the height of the pile head according to claim 1, wherein the method comprises the following steps:

the connecting rod group (1) comprises a telescopic rod group (11) and a plurality of connecting support rods (12);

one end of each telescopic rod group (11) is fixedly connected with one ballast taking barrel (2), and two adjacent ballast taking barrels (2) are mutually and fixedly connected through the connecting support rod (12);

the telescopic rod group (11) comprises an outer sleeve rod (111), a plurality of inner sleeve rods (112) which are different in pipe diameter and are mutually nested, and elastic buckle groups (113) matched with the inner sleeve rods (112);

the outer loop bar (111) is sleeved on the inner loop bar (112), the elastic buckle group (113) is embedded on the inner wall of the upper end part of the inner loop bar (112), and the inner loop bar (112) with the smallest pipe diameter is fixedly connected with one ballast taking barrel (2);

a first clamping hole (1110) is formed in the lower end of the outer sleeve rod (111), a second clamping hole (1120) is formed in the lower end of the inner sleeve rod (112), and the elastic clamping group (113) is clamped with the first clamping hole (1110) or the second clamping hole (1120) so as to realize height telescopic adjustment of the telescopic rod group (11);

the pipe wall of the outer sleeve rod (111) and the pipe wall of the inner sleeve rod (112) are respectively engraved with a depth scale (110) for measuring the depth of the access hole.

9. The method for rapidly and accurately controlling the height of the pile head according to claim 8, wherein the method comprises the following steps:

the elastic buckle group (113) comprises an outer sleeve (1131), a buckle piece (1132), a connecting shaft (1133) and a spring piece (1134);

the outer sleeve (1131) is sleeved on the spring piece (1134), one end of the connecting shaft (1133) is fixedly connected with the inner wall of the upper end part of the inner sleeve rod (112), the other end of the connecting shaft (1133) penetrates through the outer sleeve (1131) and is fixedly connected with one end of the spring piece (1134), the other end of the spring piece (1134) is fixedly connected with one end of the buckle piece (1132), and the other end of the buckle piece (1132) penetrates through the pipe wall of the inner sleeve rod (112);

the fastener (1132) can be clamped with the first clamping hole (1110) or the second clamping hole (1120) to realize the height telescopic adjustment of the telescopic rod group (11).

10. The method for rapidly and accurately controlling the height of the pile head according to claim 1, wherein the method comprises the following steps:

the ballast taking tool (0) further comprises a rotating handle (3);

the rotating handle (3) is fixed at the end part of the connecting rod group (1), and the rotating handle (3) is connected with the ballast taking barrel (2) through the connecting rod group (1);

the rotating handle (3) comprises two cross rods (31) which are distributed in parallel;

the two cross rods (31) are respectively fixed at the end parts of the connecting rod group (1).