CN213539083U - Tool for quickly and accurately controlling height of pile head - Google Patents

Abstract

The utility model discloses an instrument of quick accurate control pile head height belongs to building basic equipment field, the instrument of quick accurate control pile head height includes connecting rod group and at least three tiny fragments of stone, coal, etc. bucket of getting, get tiny fragments of stone, etc. bucket and dodge gate group including two cover groups, barrel group and, this instrument is arranged in bored concrete pile hole back, the operation personnel passes through swivelling joint pole group, can drive and get tiny fragments of stone, etc. bucket and make synchronous rotation, make dodge gate group receive the resistance drive effect and make circumferential sliding along the whole body of barrel group on cover group, in order to open or to close the feed inlet of barrel group. The utility model discloses an instrument of quick accurate control pile head height can be analyzed and get whether tiny fragments of stone, coal, etc. position accords with the high construction requirement of pile head, and instrument simple structure, and the construction is simple and convenient economic saving again, and to the measurement more accuracy of bored concrete pile head height, guarantees bored concrete pile head quality.

Description

Tool for quickly and accurately controlling height of pile head

Technical Field

The utility model relates to a building foundation equipment field especially relates to a quick accurate instrument of control pile head height.

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.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's defect, the utility model aims to solve the technical problem that an instrument of quick accurate control pile head height is proposed adopts the connecting rod cooperation to get the structure of tiny fragments of stone, coal, etc. bucket, realizes gathering so that the analysis gets tiny fragments of stone, coal, etc. position and whether accord with the high construction requirement of pile head to pile head, and instrument simple structure, the construction is simple and convenient again economic and economic practices thrift, and to the more accuracy of measurement of bored concrete pile head height, guarantees bored concrete pile head quality.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a pair of instrument of quick accurate control pile head height, get the tiny fragments of stone, coal, etc. bucket including connecting rod group and at least three, three get between the tiny fragments of stone, etc. bucket through connecting rod group mutual fixed connection, it includes two cover groups to get the tiny fragments of stone, coal, etc. bucket group and dodge gate group, the upper and lower tip of bucket group covers mutually with a cover group respectively, dodge gate group joint is between two cover groups, connecting rod group and cover group fixed connection, the instrument of quick accurate control pile head height is arranged in behind the bored concrete pile hole, operating personnel passes through swivelling joint pole group, can drive and get tiny fragments of stone, coal, etc. bucket and make synchronous rotation, make the dodge gate group receive the resistance drive effect and make circumferential slip in the whole body of bucket group of edge on the cover group, in order to open or to close the feed inlet of bucket group.

The utility model discloses preferred technical scheme lies in, and barrel group includes cylinder and door baffle, and the door baffle is fixed on the outer tube wall of cylinder, and bung group lid connects on the tip of cylinder, and the dodge gate group can be organized at the bung and make circumference slip along the whole body of cylinder to open or close the feed inlet of cylinder, and wherein, the dodge gate group can offset the feed inlet in order to seal the cylinder with the door baffle.

The utility model discloses preferred technical scheme lies in, bung group includes conical cover and guide rail spare, and guide rail spare is fixed on the conical cover, and the conical cover passes through guide rail spare lid and connects on the tip at the drum body, and the dodge gate group can be made circumferential sliding along the whole body of drum body on guide rail spare to open or close the feed inlet of drum body.

The utility model discloses preferred technical scheme lies in, and the dodge gate group includes door plant and air brake, and the air brake is fixed on the outer wall of door plant, and the air brake is acted as resistance, can drive the door plant and make circumference slip along the whole body of drum body on the guide rail spare to open or close the feed inlet of drum body.

The utility model discloses preferred technical scheme lies in, connecting rod group includes scalable pole group and a plurality of connecting strut, and the one end of scalable pole group is got tiny fragments of stone, coal, etc. bucket fixed connection with one, and two adjacent getting are through connecting the mutual fixed connection of strut between the tiny fragments of stone, coal, etc. bucket.

The utility model discloses preferred technical scheme lies in, scalable pole group includes outer loop bar, a plurality of pipe diameter is unequal and each other nested interior loop bar and with the elasticity buckle group of every interior loop bar looks adaptation, outer loop bar cup joints on interior loop bar, elasticity buckle group inlays the upper end inner wall of establishing at interior loop bar, wherein, interior loop bar and one tiny pipe diameter get tiny fragments of stone, fragment of stone, etc. bucket fixed connection, first screens hole has been seted up on the lower tip of outer loop bar, second screens hole has been seted up on the lower tip of interior loop bar, detain group and first screens hole or second screens hole joint through the elasticity buckle, with the high flexible regulation of realizing scalable pole group.

The utility model discloses preferred technical scheme lies in, elasticity buckle group includes the outer tube, the buckle spare, connecting axle and spring part, the outer tube cup joints on the spring part, the one end of connecting axle and the upper end inner wall fixed connection of interior loop bar, the other end of connecting axle passes the one end fixed connection of outer tube and spring part, the other end of spring part and the one end fixed connection of buckle spare, the other end of buckle spare passes the pipe wall of interior loop bar, the buckle spare can with first screens hole or the joint of second screens hole, in order to realize the highly flexible regulation of scalable pole group.

The utility model discloses preferred technical scheme lies in, all is carved with the degree of depth scale that is used for measuring the hand-hole degree of depth on the pipe wall of outer loop bar and the pipe wall of inner loop bar.

The utility model discloses preferred technical scheme lies in, the instrument of quick accurate control pile head height still includes twist grip, and twist grip fixes the tip at connecting rod group, and twist grip is organized through connecting rod and is connected with getting the tiny fragments of stone, coal, etc. bucket.

The utility model discloses preferred technical scheme lies in, twist grip includes that two each other are parallel distribution's horizontal pole, and the tip at connecting rod group is fixed respectively to two horizontal poles.

The utility model has the advantages that:

the utility model provides an instrument of quick accurate control pile head height utilizes opening and close of dodge gate group to keep getting opening and the closed state of tiny fragments of stone, coal, etc. bucket, the utility model discloses the instrument is inserting the thick liquid in-process, adopts clockwise rotation to sink, keeps getting tiny fragments of stone, coal, etc. bucket and be closed state, reachs tiny fragments of stone, coal, etc. appearance position back anticlockwise rotation, makes to get tiny fragments of stone, coal, etc. bucket and opens, and the thick liquid gets into in the bucket, and clockwise rotation closes again and gets tiny fragments of stone, coal, etc. bucket, adopts clockwise rotation to rise to the hole outside, takes out. 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 tool for quickly and accurately controlling the height of the pile head collects the ballast materials of the pile head pouring position, the accuracy of measuring the height of the pouring pile head is guaranteed, and the construction is simple, convenient and economical.

Drawings

Fig. 1 is a schematic view of the overall structure assembly of a tool for rapidly and precisely controlling the height of a pile head according to an embodiment of the present invention;

fig. 2 is an exploded view of a tool for rapidly and precisely controlling the height of a pile head according to an embodiment of the present invention;

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

fig. 4 is an exploded view of a ballast fetching barrel according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an elastic buckle set provided in an embodiment of the present invention;

fig. 6 is an exploded view of the structure of the barrel assembly provided in the embodiment of the present invention;

fig. 7 is an exploded view of the structure of the barrel cover assembly according to the embodiment of the present invention.

In the figure:

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 solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It is obvious that the described embodiments are preferred embodiments of the invention and should not be considered as excluding other embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

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

In the claims, the specification and the drawings, unless otherwise expressly limited, to the extent that directional terms such as "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise" and the like are used, the positional or orientational relationships illustrated in the drawings are based on the positional and orientational relationships illustrated in the drawings and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element so referred to 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 any way.

In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the term "fixedly connected" or "fixedly connected" is used, which is to be understood broadly, that is, any connection mode without displacement relation or relative rotation relation between the two, that is, including non-detachably fixed connection, integrated connection and fixed connection through other devices or elements.

In the claims, the specification and the drawings, the terms "including", "comprising" and variations thereof, if used, are intended to be inclusive and not limiting.

As shown in fig. 1 to 7, the instrument of a quick accurate control pile head height that provides in this embodiment for make this instrument realize gathering the tiny fragments of stone, coal, etc. of pile head pouring position, guarantee to the measurement accuracy of bored concrete pile head height, the construction is simple and convenient again economic saving. Further, instrument of quick accurate control pile head height includes connecting rod group 1 and at least three get tiny fragments of stone, coal, etc. bucket 2, three get through connecting rod group 1 mutual fixed connection between the tiny fragments of stone, etc. bucket 2, get tiny fragments of stone, etc. bucket group 22 and dodge gate group 23, the upper and lower tip of bucket body group 22 covers mutually with a bucket cover group 21 respectively, dodge gate group 23 joint is between two bucket cover groups 21, connecting rod group 1 and bucket cover group 21 fixed connection, the instrument of quick accurate control pile head height is arranged in behind the bored concrete pile hole, the operation personnel passes through swivelling joint pole group 1, can drive and get tiny fragments of stone, etc. bucket 2 and make synchronous rotation, make dodge gate group 23 prevent the power drive effect and make circumferential slip along the body of bucket body group 22 on bucket cover group 21, in order to open or close the feed inlet of bucket body group 22. 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 the concrete pours into and is close pile head elevation, pause and pour into, will consider the influence of clout to the pile head height in the pipe, rationally confirm to pour into pile head elevation, use 1 ~ 2 meters in advance according to the site conditions the utility model discloses an in the instrument patchhole, confirm the concrete elevation of pile head position this moment. This instrument inserts and transfers the in-process, and the operation personnel are held and are rotated connecting rod group 1, and the anticlockwise rotation is kept as far as possible, makes dodge gate group 23 receive the horizontal resistance effect that external materials such as thick liquid or concrete produced, forces dodge gate group 23 to remain closed state all the time, prevents that the thick liquid from entering into the inner chamber of ladle body group 22 from the feed inlet of ladle body group 22, causes tiny fragments of stone, coal, etc. material sample to pollute, and the analysis of getting tiny fragments of stone, coal, etc. position for pile head concrete quality from distinguishing and causing the influence. When the tool is placed to a preset height, the tool is rotated clockwise, the movable door group 23 is opened, the ballast barrel 2 is in an open state, the tool is rotated for a plurality of weeks, ballast samples flow into the barrel body group 22, the ballast samples with specified heights are assembled, the tool is rotated anticlockwise for a plurality of weeks, and the movable door group 23 is closed. The scale on the connecting rod set 1 is observed, and the depth of the access hole at the moment is recorded. After the data recording is finished, the tool is pulled out, the rotating connecting rod group 1 is kept in a counterclockwise 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 tool is completely pulled out, three ballast samples in the ballast barrel 2 are poured out from a prepared thin plate or an open ground, the three ballast samples in the ballast barrel 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. According to concrete placement square, calculate theoretical bored concrete pile head height, the deuterogamy the utility model discloses an instrument, the actual pile head position of judgement that can be quick accurate avoids the super-irrigation or irritate less, compares with traditional measuring method, and the uncertainty is eliminated completely, and the skilled workman of non-specialty also can easily master, effectively practices thrift the cost, has improved the pile head quality. Through the process, the tool for quickly and accurately controlling the height of the pile head collects the ballast materials of the pile head pouring position, the accuracy of measuring the height of the pouring pile head is guaranteed, and the construction is simple, convenient 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, the instrument of quick accurate control pile head height still includes twist grip 3, and twist grip 3 is fixed at the tip of 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 (10)

1. The utility model provides a quick accurate instrument of control pile head height which characterized in that:

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 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 the barrel body group (22) are respectively connected with one barrel cover group (21) in a covering mode, the movable door group (23) is clamped between the two barrel cover groups (21), and the connecting rod group (1) is fixedly connected with the barrel cover groups (21).

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

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 slide along the circumference of the cylinder body (221) on the barrel cover group (21) to open or close the feed inlet of the cylinder body (221), wherein the movable door group (23) can abut against the door baffle (222) to seal the feed inlet of the cylinder body (221).

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

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

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

the movable door group (23) can slide along the circumference of the cylinder body (221) on the guide rail component (212) so as to open or close the feed inlet of the cylinder body (221).

4. The tool for rapidly and accurately controlling the height of the pile head according to claim 3, wherein:

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).

5. The tool for rapidly and accurately controlling the height of the pile head according to claim 1, wherein:

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

one end of the telescopic rod group (11) is fixedly connected with one of the ballast taking barrels (2), and the two adjacent ballast taking barrels (2) are fixedly connected with each other through the connecting supporting rod (12).

6. The tool for rapidly and accurately controlling the height of the pile head according to claim 5, wherein:

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);

first screens hole (1110) have been seted up on the lower tip of outer loop bar (111), second screens hole (1120) have been seted up on the lower tip of interior loop bar (112), through elasticity buckle group (113) with first screens hole (1110) or second screens hole (1120) looks joint, in order to realize the high flexible regulation of scalable pole group (11).

7. The tool for rapidly and accurately controlling the height of the pile head according to claim 6, wherein:

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).

8. The tool for rapidly and accurately controlling the height of the pile head according to claim 6, wherein:

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 tool for rapidly and accurately controlling the height of the pile head according to claim 1, wherein:

the tool for quickly and accurately controlling the height of the pile head also 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).

10. The tool for rapidly and accurately controlling the height of the pile head according to claim 9, wherein:

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).

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