Disclosure of Invention
Aiming at the defects and problems of the existing band Kong Kangfu steel floral tube anchor rod, the invention provides a steel floral tube type anti-floating anchor rod assembly, which has a unique structure and ingenious design, and can effectively solve the problems that the shell material can enter the anchor rod body when the shell material is poured into the existing perforated anti-floating steel floral tube anchor rod, the grouting quality of segmented annular grouting is affected, and the installation strength of the anchor rod is reduced.
The invention solves the technical problems by adopting the scheme that: the utility model provides a steel flowtube type anti-floating anchor rod assembly, includes the stock body, slip casting rifle and hole sealing gasbag post, the outer anchor rod body anchor ring face evenly is equipped with multiunit slip casting hole group along the circumferencial direction, the top of stock body is equipped with many locating levers along circumference, hole sealing gasbag post includes the shell that can insert in the stock body, shell top install with inserted bar assorted socket, the matching is equipped with pneumatic drive assembly in the shell, be equipped with the shaft hole with shell inner space intercommunication on the lateral wall all around of shell, shaft hole position and quantity are corresponding with slip casting hole position and quantity on the stock body respectively, install along axial sliding in the shaft hole shutoff spindle nose, the root of shutoff spindle nose inwards stretches into the shell to be connected with pneumatic drive assembly, can outwards slide through pneumatic drive assembly and stretch out the shell and insert the slip casting hole that corresponds on the stock body of rod to shutoff, with the slip casting hole; the grouting gun comprises a hollow grouting rod, a grouting pipe is arranged in the hollow grouting rod, the grouting pipe is connected with a grouting machine, two grouting air bag plugs are arranged at the bottom end of the hollow grouting rod along the axial interval, the two grouting air bag plugs are arranged in opposite directions, and a grouting hole communicated with a grouting hole of the grouting pipe is formed in the hollow grouting rod between the two grouting air bag plugs; when the slurry pressure between the two slurry-stopping air bag plugs is increased, the slurry-stopping air bag plugs can be pushed to generate radial expansion.
The grouting stopper comprises an annular base and an annular plugging plate which are arranged on the hollow grouting along the axial direction at intervals, the plugging plate can slide along the axial direction of the hollow grouting rod, an annular plugging air bag is sleeved on the hollow grouting rod between the base and the annular plugging plate in a matched mode, the plugging air bag is connected with the adjacent base and the plugging plate, the air expansion is injected into the plugging air bag to drive the base and the plugging plate to be far away from each other, and the plugging plates of the two grouting stoppers are arranged in opposite directions.
The outer ring diameter sizes of the base, the plugging plate and the annular plugging air bag in a natural state are matched with the inner ring diameter size of the anchor rod body.
The socket comprises a socket body fixedly mounted at the top of the shell, the socket body extends out of the shell and is vertically provided with jacks matched with the positioning rods.
The pneumatic driving assembly comprises a supporting column vertically arranged in the middle of the shell, a cylindrical annular air bag is sleeved on the supporting column in a matched mode, the root of the plugging shaft head is connected with the outer annular surface of the cylindrical annular air bag, an air hole of the cylindrical annular air bag is connected with an air pipe, the air pipe extends upwards out of the shell to be connected with an air source, and the air pipe is used for controlling expansion and contraction of the cylindrical air bag.
The plugging shaft head comprises a shaft head shell with an open tail end, a columnar air bag, a sleeve rod and an elastic piece, wherein the shaft head shell is slidably arranged in the shaft hole, the tail end of the shaft head shell inwards extends into the shell, an anti-falling baffle is sleeved on the shaft head shell, the sleeve pipe is slidably arranged in the shaft head shell, and the tail end of the sleeve rod backwards extends out of the shaft head shell and is connected with the columnar annular air bag; the columnar air bag is coaxially arranged in the shaft head shell at the front side of the loop bar, a plurality of air bag openings are uniformly formed in the shaft head shell at the outer side of the front end of the columnar air bag along the circumference, the elastic piece is matched and sleeved on the loop bar at the rear side of the shaft head shell, and the loop bar is supported to keep not to squeeze the columnar air bag under the natural building sleeve.
The supporting force of the elastic piece is larger than the resistance of the shaft head shell to be inserted into the grouting hole in an outward sliding mode along the shaft hole.
The invention has the beneficial effects that: the invention provides a steel flower pipe type anti-floating anchor rod assembly, which comprises an anchor rod body, a grouting gun and a hole sealing air bag column, wherein the hole sealing air bag column comprises a shell which can be inserted into the anchor rod body, a socket matched with an inserting rod is arranged at the top end of the shell, a shaft hole communicated with the inner space of the shell is arranged on the outer side wall around the shell, a plugging shaft head is arranged in the shaft hole, the plugging shaft head is connected with an air pressure driving assembly, when the cylindrical annular air bag is inflated by an air source to expand the cylindrical annular air bag, all the plugging shaft heads can be pushed outwards to synchronously slide outwards along the shaft hole to extend in the expanding process of the cylindrical annular air bag, and the plugging shaft heads are respectively inserted into corresponding grouting holes in the anchor rod body to plug the grouting holes in the anchor rod body, so that when materials are poured into gaps between the anchor rod body and a drilled hole, the grouting holes in the anchor rod body can be plugged by the hole sealing air bag column, and the shell material can be prevented from flowing into the anchor rod body through the hole of the anchor rod body;
the grouting gun comprises a hollow grouting rod, two grouting air bag plugs are arranged at the bottom end of the hollow grouting rod along the axial interval, the two grouting air bag plugs are arranged in opposite directions, a grouting hole communicated with a grouting port of a grouting pipe is formed in the hollow grouting rod between the two grouting air bag plugs, when the pressure of slurry between the two grouting air bag plugs is increased, the grouting air bag plugs can be pushed to generate radial expansion, sealing pressure between the high plugging air bag and the inner annular surface of the anchor rod body is improved, sealing effect between the grouting air bag plugs and the inner annular surface of the anchor rod body is improved, and enough energy storage pressure and sealing performance can be provided for cement slurry to penetrate through a grouting Kong Chengpo casing material to the surrounding soil layer, so that the sectional annular grouting effect is improved.
The invention provides a steel flower pipe type anti-floating anchor rod assembly, which is ingenious in design, and can effectively solve the problems that the shell material can enter an anchor rod body when the shell material is poured into the existing perforated anti-floating steel flower pipe anchor rod, the grouting quality of sectional annular grouting is affected, and the installation strength of the anchor rod is reduced.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of the hole sealing air bag column and the anchor rod body in the invention.
Fig. 3 is a schematic view of the internal structure of the housing of the present invention.
FIG. 4 is a schematic view of the structure of the grout stop air bag plug of the present invention.
FIG. 5 is a schematic view of the grouting gun of the present invention in use.
Fig. 6 is a schematic view of the structure of the plugging shaft head of the invention.
Fig. 7 is a schematic view of the structure of the tube drawing bracket of the present invention.
FIG. 8 is a schematic view of a cushioning assembly according to the present invention.
Reference numerals in the drawings: 1 is an anchor rod body, 11 is a grouting hole, 12 is a positioning rod, 2 is a grouting gun, 21 is a hollow grouting rod, 211 is a grouting hole, 22 is a grouting air bag plug, 221 is an annular base, 222 is an annular plugging plate, 223 is an annular plugging air bag, 3 is a hole sealing air bag column, 31 is a shell, 311 is a shaft hole, 32 is a socket, 321 is a socket body, 322 is a socket, 33 is an air pressure driving component, 331 is a supporting column, 332 is a cylindrical annular air bag, 34 is a plugging shaft head, 341 is a shaft head shell, 3411 is an air bag port, 342 is a cylindrical air bag, 343 is a sleeve rod, 344 is an elastic piece, 345 is an anti-disengaging block, 35 is an anti-swing base, 4 is a tube drawing bracket, 41 is a supporting leg, 42 is a clamping wheel, 51 is a cylinder body, 52 is a piston, 53 is a pressure regulating top spring, and 54 is a piston rod.
Description of the embodiments
The invention will be further described with reference to the drawings and examples.
Examples
Aiming at the problems that when a casing material is poured into a gap between a drill hole and an anchor rod body in the installation process of the existing anti-floating steel patterned pipe anchor rod, the casing material flows into the anchor rod body through a hole of the anchor rod body, so that not only can the movement of a grouting gun head be hindered, but also the sealing of a grouting stopper on the grouting gun head can be interfered, the grouting quality of sectional annular grouting is affected, and the installation strength of the anchor rod is reduced, the embodiment provides a steel patterned pipe anti-floating anchor rod assembly which has a unique structure and ingenious design, and comprises a Kong Ganghua pipe type anchor rod body 1, a grouting gun 2 and a hole sealing air bag column 3, wherein a plurality of groups of grouting hole groups are uniformly arranged on the outer ring surface of the anchor rod body 1 along the circumferential direction, and each grouting hole group comprises a plurality of grouting holes 11 which are uniformly arranged at intervals along the vertical direction; the top of stock body of rod evenly is equipped with many locating levers 12 along the circumference, and the quantity of locating lever is not less than two, and the quantity of this embodiment stock body top locating lever is 4.
The hole sealing air bag column 3 comprises a shell 31 which can be inserted into the body of the anchor rod, wherein the shell 31 is a prismatic structure shell with a cavity inside, and the number of vertical end surfaces of the shell 31 is the same as the number of grouting hole groups on the outer ring surface of the body of the anchor rod; the socket 32 matched with the inserted link is installed on the top of the shell 31, inserts the shell into the anchor rod body, and the socket at the top of the shell is spliced with the inserted link together so as to connect the shell with the anchor rod body, specifically:
the socket 32 includes a socket body 321 fixedly mounted on the top of the housing, and the socket body extends out of the housing in a radial direction and is vertically provided with a jack 322 matched with the positioning rod, and various modes of connection between the socket body 321 and the housing are provided, for example: the socket body and the shell are in an integrated structure or are connected together through bolt threads, and when the shell is connected together through the socket and the anchor rod body, the vertical end faces of the shell are respectively arranged towards the corresponding grouting hole groups.
The air pressure driving assembly 33 is arranged in the shell 31 in a matching way, the outer side walls of the periphery of the shell 31 are provided with shaft holes 311 communicated with the inner space of the shell, the positions and the number of the shaft holes 311 respectively correspond to those of grouting holes on the anchor rod body, namely, after the shell is connected with the anchor rod body through a socket, the shaft holes on the shell are respectively coaxially arranged with the corresponding grouting holes on the anchor rod body; the plugging shaft heads 34 are axially and slidably arranged in the shaft holes 311, the root parts of the plugging shaft heads inwards extend into the outer shells and are connected with the pneumatic driving assembly, all the plugging shaft heads can be synchronously controlled to outwards slide and extend out of the outer shells to be inserted into corresponding grouting holes on the anchor rod body through the pneumatic driving assembly, and the grouting holes are plugged, specifically:
the pneumatic driving assembly 33 includes a support column 331 vertically mounted in the middle of the housing, and upper and lower ends of the support column are respectively connected with upper and lower inner walls of the housing, and various mounting modes of the support column are provided, for example: the top of the shell is provided with a maintenance window communicated with the inside, and a cover plate is arranged in a matched manner and used for plugging the maintenance window, and the support column is arranged in the shell through the maintenance window; the support column is matched and sleeved with a cylindrical annular air bag, and the support column 311 is used for supporting the cylindrical annular air bag 332 and preventing the cylindrical annular air bag from being vertical in a contracted state; the root pipe of the plugging shaft head passes through the shaft hole and extends into the shell to be connected with the outer ring surface of the cylindrical annular air bag, the air hole of the cylindrical annular air bag is connected with an air pipe, and the air pipe extends upwards out of the shell to be connected with an air source for controlling the expansion and contraction of the cylindrical air bag. The air source type is various, and the air source of the embodiment adopts a portable dual-mode air pump, so that the working mode of the air pump can be switched according to the pumping and exhausting requirements, and the cylindrical annular air bag is inflated to expand or the air in the cylindrical annular air bag is pumped to shrink.
When the cylindrical annular air bag is inflated through an air source to expand the cylindrical annular air bag, all the plugging shaft heads can be pushed outwards to synchronously slide outwards along the shaft holes to stretch out in the expansion process of the cylindrical annular air bag, the plugging shaft heads are respectively inserted into corresponding grouting holes in the anchor rod body, the grouting holes in the anchor rod body are plugged, so that when the sleeve shell material is poured into a gap between the anchor rod body and a drilled hole, the grouting holes in the anchor rod body can be plugged through the hole sealing air bag column, the sleeve shell material is prevented from flowing into the anchor rod body through the hole of the anchor rod body, air of the cylindrical annular air bag can be pumped through the air source to drive the cylindrical annular air bag to shrink after the sleeve shell material is poured, the plugging shaft heads can be pulled inwards to retract and reset in the outer shell, and the sleeve shell air bag column can be lifted out of the anchor rod body upwards after the plugging shaft heads retract and reset.
The grouting gun 2 comprises a hollow grouting rod 21, a grouting pipe is arranged in the hollow grouting rod 21, the grouting pipe is connected with a grouting machine, two grouting air bag plugs 22 are arranged at the bottom end of the hollow grouting rod along the axial interval, the two grouting air bag plugs are arranged in opposite directions, and a grouting hole 211 communicated with a grouting hole of the grouting pipe is arranged on the hollow grouting rod between the two grouting air bag plugs 22; when the slurry pressure between the two slurry-stopping air bag plugs increases, the slurry-stopping air bag plugs can be pushed to radially expand, and specifically:
the grout gasbag stopper 22 includes along the annular base 221 and annular shutoff board 222 of axial interval installation on hollow slip casting, the shutoff board can be followed hollow slip casting pole axial slip, the matching cover is equipped with annular shutoff gasbag 223 on the hollow slip casting pole between base and the annular shutoff board, the outer loop diameter size of annular shutoff gasbag all with the interior ring diameter size phase-match of stock body under shutoff board and the natural state, the shutoff gasbag is connected with adjacent base and shutoff board, it drives base and shutoff board mutually to keep away from to annotate in the shutoff gasbag, and two shutoff boards that stop the grout stopper set up in opposite directions, when the slip casting rifle carries out the annular grout of segmentation, through the grout hole exhaust cement thick liquid can be filled up at first and stop the stock body space between the grout stopper, along with the continuous discharge of cement thick liquid, cement liquid pressure between two stop the grout stopper can increase gradually, thereby can prop broken thick liquid infiltration to the soil layer all around, form the bonding with the soil body, this in-process cement thick liquid can presume the shutoff board that two stop the grout stopper makes its extrusion shutoff gasbag, the shutoff gasbag that the extrusion can outwards expand, improve the grout filling gun, the pressure between the annular grouting pole is improved and the grout seal effect can be enough to the grout filled up to the annular grouting material in the annular grouting body Kong Chengpo when using, thereby the grout filling effect is improved.
Further, the anti-swing base 35 is installed at the bottom of the shell, the diameter size of the anti-swing base is matched with that of the anchor rod body, and chamfers are arranged at the edges of the upper end and the lower end of the anti-swing base, so that the anchor rod body can be conveniently inserted into and withdrawn from the anchor rod body.
Examples
Example 2 differs from example 1 in the structure of the plugging stub shaft.
As shown in fig. 6, the plugging head 34 includes a head housing 341 having an open rear end, a column-shaped air bag 342, a stem 343, and an elastic member 344, the head housing 341 is slidably installed in the shaft hole 311, and the rear end of the head housing 341 extends inward into the housing, and is sleeved with a release preventing table 345 for restraining the position of the head housing, and is placed to be separated from the housing when it extends outward; the sleeve rod 343 is slidably arranged in the axle head shell 341, and the tail end of the sleeve rod 343 extends out of the axle head shell 341 backwards and is connected with the cylindrical annular air bag 332; the columnar air bag 342 is coaxially arranged in the spindle head shell at the front side of the sleeve rod, a plurality of air bag openings 3411 are uniformly formed in the spindle head shell at the outer side of the front end of the columnar air bag along the circumference, the elastic piece is matched and sleeved on the sleeve rod at the rear side of the spindle head shell, the sleeve rod is supported to be not extruded under the natural building sleeve, the supporting force of the elastic piece is larger than the resistance of the spindle head shell, which is inserted into the grouting holes in an outward sliding mode along the shaft hole, when the spindle head shell is inflated to expand through an air source, the plugging spindle head is driven to be stretched out in an outward sliding mode to be inserted into the corresponding grouting holes, the front end air bag opening of the spindle head shell stretches out of the anchor rod body, when the spindle head shell is inflated to be inflated to the rear side of the columnar annular air bag continuously through the air source, the expanded columnar annular air bag can overcome the sleeve rod, the retracted sleeve rod can extrude the columnar air bag front end to expand, the columnar air bag is penetrated through the air bag openings 3411 to form bulges at the outer side of the spindle head shell, the effect of blocking filling is achieved when the air source is inflated to enable the spindle head shell to be inflated, and the grouting liquid is enabled to be more easily to be filled into the grouting holes to be more open in the periphery than the hollow area, the hollow cavity is filled with the grouting liquid, and the grouting liquid is more easily filled into the hollow cavity is filled into the grouting hole, and the hollow cavity is more easily inflated, and the hollow cavity is more easily filled into the hollow air hole is filled into the hollow air hole and has a large hole.
Examples
Embodiment 3 is different from embodiment 2 in that, as shown in fig. 7, the steel flower pipe type anti-floating anchor rod assembly provided by this embodiment further includes a tube drawing bracket 4, the tube drawing bracket 4 includes an objective table 42 provided with supporting legs 41, two clamping wheels 43 are horizontally installed on the objective table at intervals, one of the two clamping wheels is connected with a driving motor in a transmission manner, the outer ring surfaces of the two clamping wheels are provided with arc grooves in a matching manner, the inner groove surfaces of the grooves are provided with rubber layers, when in use, the tank body of the hollow grouting pipe is inserted into the anchor rod body through the two clamping wheels, and the rubber layers in the arc grooves of the two clamping wheels are extruded by the hollow grouting pipe to generate elastic deformation, so that the friction force between the hollow grouting pipe and the clamping wheels is increased, when the position of annular grouting is required to be pulled upwards, the driving motor drives the clamping wheels to rotate, thereby automatically pulling the grouting pipe upwards, and releasing manpower.
Further, the hollow grouting pipe is divided into an upper section and a lower section, the upper end thread bush and the lower end thread bush are connected together, the lower section is provided with a grouting stopping air bag, and the length of the lower section is smaller than the height of a supporting leg, so that after annular grouting is completed, the lower section of the hollow grouting pipe is lifted out of an anchor rod body by using a pipe pulling support, the lower section of the hollow grouting pipe below an object stage can be screwed to separate the lower section from the upper end, and the upper end of the hollow grouting pipe between two clamping wheels can be directly pulled out of the pipe pulling support upwards, so that the assembly and the disassembly are convenient.
Examples
Embodiment 4 differs from embodiment 3 in that, as shown in fig. 8, the annular blocking air bags of the two grout stopping air bag plugs 22 are connected with a buffer component through air pipes, the buffer component comprises a cylinder body 51 with a cavity inside, a piston 52 is installed in the cylinder body in a matched manner, and the annular blocking air bags of the two grout stopping air bag plugs 22 are communicated with the cavity of the cylinder body at the front side of the piston through air pipes; the cavity of piston rear side is interior to match and installs pressure regulating top spring 53, be equipped with the piston rod in the cylinder body of piston front side, piston rod 54 extends the cylinder body forward, and be connected with the handle, and piston rod and cylinder body screw thread sealing connection, through the extension size that the piston rod can be adjusted to handle rotation piston rod, thereby adjust pressure regulating top spring's flexible degree, compare with embodiment 3, the ultimate pressure of annular shutoff gasbag in the cement thick liquid slip casting pressure regulation thick liquid gasbag stopper 22 that this embodiment provided can be according to cement thick liquid slip casting pressure when using, when cement thick liquid slip casting pressure is greater than annular shutoff gasbag's ultimate pressure, the gas in annular shutoff gasbag can be through the back slip extrusion pressure regulating top spring in the trachea entering piston front side cylinder body under the push of cement thick liquid, thereby carry out the pressure release under the sealed prerequisite that does not influence the thick liquid gasbag stopper.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explanation of the principles of the present invention and are in no way limiting of the invention. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present invention should be included in the scope of the present invention. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.