CN111502322B - Masonry reinforcement anchor rod structure and construction method thereof - Google Patents
Masonry reinforcement anchor rod structure and construction method thereof Download PDFInfo
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- CN111502322B CN111502322B CN202010282389.9A CN202010282389A CN111502322B CN 111502322 B CN111502322 B CN 111502322B CN 202010282389 A CN202010282389 A CN 202010282389A CN 111502322 B CN111502322 B CN 111502322B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0222—Replacing or adding wall ties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
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Abstract
The invention discloses a masonry reinforcement anchor rod structure and a construction method thereof, relates to the technical field of reinforcement in a building body, and achieves the purpose of improving the anchoring force of the end part of an anchor rod, and the key points of the technical scheme are as follows: the anchor rod penetrates through the masonry, the end plate is arranged at the end part of the anchor rod, the size of the end plate is larger than the diameter of the anchor rod and larger than a placing hole for placing the anchor rod in the masonry, and a placing groove for placing the end plate is formed in the masonry; the anchor rod overcoat is equipped with the bush of taking the mesh, the one end of bush is fixed in the one end that the anchor rod got into the brickwork, and the other end is connected with the sliding block who seals the bush mouth, the sliding block slides and connects on the anchor rod, be equipped with exhaust duct and the feed liquor pipe that one end stretches into in the bush on the sliding block, a plurality of exhaust holes have been seted up on the exhaust duct, exhaust duct and feed liquor pipe wear out the end plate.
Description
Technical Field
The invention relates to the technical field of reinforcement in a building body, in particular to a masonry reinforcement anchor rod structure and a construction method thereof.
Background
Many ancient buildings in China have long history, occupy important positions in the world building history, and have extremely high artistic achievement and scientific value. In the process of preserving the ancient buildings, the ancient buildings are damaged in different degrees due to artificial and natural force damage, wherein the most common damage is that the walls of the ancient buildings are cracked more, and therefore how to reinforce and repair the wall structures of the ancient buildings is a problem which needs to be solved urgently.
The Chinese patent with publication number CN108222539A discloses a masonry member anchor rod reinforcing method, which comprises the steps of carrying out nondestructive detection on an original building wall body and detecting the strength of an anchor rod; determining the anchor rod material and size to be adopted according to the detection result; thirdly, according to the current situation, a supporting protection scheme for the original building wall is formulated so as to ensure that collapse is not generated in the construction process; fourthly, according to the requirements of a design scheme, the construction position of the drilled hole is determined, and a hollow drilled hole with water or without water dry drilling and without hammering stress is adopted; putting the anchor rod, the lining and the exhaust guide pipe into the drill hole; step six, uniformly stirring the cement grouting material with water, and injecting the cement grouting material into the lining by using a pressure pump until the grout overflows out of the drilling hole; seventhly, after the slurry is completely solidified, removing the supporting structure; still include that one end is worn to establish stock, cover in the wall body and establish the bush of taking the mesh outside the stock, the one end of bush is fixed in the one end that the stock got into the brickwork, and the other end is connected with the sliding block that seals the bush mouth, the sliding block slides and connects on the stock, be equipped with exhaust duct and the feed liquor pipe that one end stretched into in the bush on the sliding block, a plurality of exhaust holes have been seted up on the exhaust duct.
However, the end of the anchor rod in the wall body is not provided with any structure, so that the anchoring force provided by the end of the anchor rod for embedding the anchor rod in the wall body is small.
Disclosure of Invention
The invention aims to provide a masonry reinforced anchor rod structure, which achieves the purpose of improving the anchoring force of the end part of an anchor rod.
The technical purpose of the invention is realized by the following technical scheme:
a masonry reinforcement anchor rod structure comprises an anchor rod penetrating through a masonry and an end plate arranged at the end part of the anchor rod, wherein the size of the end plate is larger than the diameter of the anchor rod and larger than a placing hole for placing the anchor rod in the masonry, and a placing groove for placing the end plate is formed in the masonry;
the anchor rod overcoat is equipped with the bush of taking the mesh, the one end of bush is fixed in the one end that the anchor rod got into the brickwork, and the other end is connected with the sliding block that seals the bush mouth, the sliding block slides and connects on the anchor rod, be equipped with exhaust duct and the feed liquor pipe that one end stretched into in the bush on the sliding block, a plurality of exhaust holes have been seted up on the exhaust duct, exhaust duct and feed liquor pipe wear out the end plate.
Through adopting above-mentioned technical scheme, at the end plate that the stock both ends set up for when whole stock structure is in the brickwork, the tip of stock has the end plate can improve the anchor power of stock, and then the further reinforcement brickwork of the stock of being convenient for.
Another object of the present invention is to provide a construction method of a masonry reinforcement anchor structure, comprising the steps of,
s1, drilling a hole, namely drilling a placing hole with the diameter of d on the surface of the masonry by using a drilling tool, wherein two ends of the placing hole extend out of the surface of the masonry;
s2, reaming, namely stretching a reaming drill bit into the drilled placing hole, and cutting the end part of the placing hole into a placing groove, wherein the diameter of the placing groove is D, and D is larger than D;
s3, putting the anchor rod, the lining and the exhaust guide pipe into the placing hole, and arranging end plates at two ends or one end of the anchor rod;
s4, uniformly stirring the cement grouting material with water, and injecting the cement grouting material into the lining by using a pressure pump until the grout overflows out of the placing notch;
and S5, plugging the notch of the placing groove after the slurry is completely solidified.
Preferably: and S2, constructing the placing groove in the reaming process, wherein after the machining of S1 is completed, the surface of the masonry is drilled by adopting a drill bit with the diameter larger than D, and then the placing groove with the diameter D is machined to be used for placing the end plate.
Preferably: the drill bit of processing the standing groove in the construction step of standing groove includes that the diameter is the locating lever of d, and after the one end entering of locating lever placed downtheholely, the one end that the locating lever kept away from placed the hole is equipped with the processing tool bit with the locating lever coaxial line outward, the tool bit is used for processing the standing groove.
Preferably: s2, after the step S1 is finished, firstly, a circular ring-shaped hole is processed on the surface of the masonry with the placing hole by the aid of the reamer, then, annular cutting is performed on the hole wall of the placing hole by the aid of a reaming cutter drilling tool to form an annular cutter hole, the cutter hole is communicated with the circular ring-shaped hole, the part of the cutter hole and the part of the circular ring-shaped hole, which are cut from the masonry, form a placing block, and the placing block is used for plugging a notch of the placing groove in the step S5.
Preferably: the reaming cutter drilling tool in the construction step of placing the groove in reaming comprises a disc-shaped saw blade and a first power device for providing rotating force to the center of the saw blade, wherein the diameter of the saw blade is smaller than the aperture of the placing hole.
Preferably: the reaming cutter drilling tool in the construction step of placing the groove in reaming comprises a disc-shaped fixing frame and a second power device for providing rotating force for the center of the fixing frame, a cutting head for cutting the wall of the placing hole is arranged on the fixing frame, a driving piece for driving the cutting head to extend out of the fixing frame and cut the placing hole is arranged on the fixing frame, the outer wall of the fixing frame is matched with the inner wall of the placing hole, and the circular ring-shaped hole is coaxially arranged with the placing hole.
Preferably: and S2, after the step S1 is finished, firstly processing a circular ring hole on the surface of the masonry with the placing hole by using the reamer, then processing inner hole walls at two ends of the placing hole by using the milling cutter, further forming a milling groove with the length equal to the depth of the placing groove, wherein the depth of the milling groove is (D-D)/2, and then processing the milling groove by using a processing drilling tool to form the placing groove.
Preferably: the processing drilling tool comprises a rotation rod matched with the inner wall of the placing hole and a third power device for providing a rotating force for the center of the rotation rod, wherein a cutting edge entering the milling groove is arranged on the outer wall of the rotation rod, and the cutting edge cuts the masonry.
Preferably: the rotation pole includes that outer wall circumference offers well core rod and the cover of a plurality of mounting grooves and establishes the fixed sleeve at well core rod outer wall, fixed sleeve's outer wall and the inner wall cooperation of placing the hole, the mounting groove is kept away from the one end of third power device and is extended well core rod's terminal surface, just cutting sword lower extreme is equipped with the installation piece that gets into in the mounting groove, when fixed sleeve cover is outside well core rod, set up the shifting chute that supplies the cutting sword to get into in the fixed sleeve on the fixed sleeve, the cutting sword extends the shifting chute, the size of shifting chute is less than the size of installation piece, and after well core rod outer wall threaded connection had the screw sleeve when fixed sleeve cover is outside well core rod, well core rod outer wall threaded connection has the screw sleeve, well core rod was kept away from to the screw sleeve one end be equipped with fixed sleeve outer wall threaded connection's spacing sleeve.
In conclusion, the invention has the following beneficial effects: the end plates are arranged at two ends of the anchor rod, so that when the whole anchor rod structure is arranged in the masonry, the end portion of the anchor rod is provided with the end plates to improve the anchoring force of the anchor rod, and the masonry is further reinforced by the anchor rod.
Drawings
FIG. 1 is a schematic view of the structure of embodiment 1;
FIG. 2 is a schematic structural view for embodying an end plate of embodiment 1;
FIG. 3 is a schematic structural view of example 2;
FIG. 4 is a schematic view of a machined tool tip embodying features of example 2;
FIG. 5 is a schematic structural view of example 3;
FIG. 6 is a schematic structural diagram for embodying a placement block of embodiment 3;
FIG. 7 is a schematic structural view for embodying a saw blade of embodiment 3;
FIG. 8 is a schematic view of the structure of embodiment 4;
fig. 9 is a schematic structural view for embodying a rack gear of embodiment 4;
fig. 10 is a schematic structural view for embodying the second protective cover of embodiment 4;
fig. 11 is a schematic structural view for embodying the second chute of embodiment 4;
FIG. 12 is a schematic structural view of example 5.
In the figure: 1. masonry; 11. an anchor rod; 111. placing holes; 112. a bushing; 113. a sliding block; 114. an exhaust conduit; 115. a liquid inlet pipe; 12. an end plate; 121. a placement groove; 13. positioning a rod; 131. a cutter head; 14. a rotating rod; 141. cutting the pipe; 142. saw teeth; 143. a circular annular hole; 144. cutting a cutter hole; 145. placing the blocks; 15. a saw blade; 151. a first power unit; 16. a fixed mount; 161. a cutting head; 162. a first chute; 163. sliding the long block; 164. a rack; 165. a first gear; 166. a first motor; 167. a first protective cover; 1671. a first removal aperture; 168. a second chute; 1681. a moving block; 1682. a threaded rod; 1683. rotating the sleeve; 1684. a driven gear; 1685. a driving gear; 1686. a second motor; 169. fixing a shaft; 1691. a turntable; 1692. a locking block; 1693. a second protective cover; 1694. a second removal aperture; 17. a cutting edge; 171. mounting grooves; 172. a center pole; 173. a fixed sleeve; 174. mounting blocks; 175. a moving groove; 176. a threaded sleeve; 177. and a limiting sleeve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: a masonry reinforcement anchor rod structure is shown in figures 1 and 2 and comprises an anchor rod 11 penetrating through masonry 1 and an end plate 12 arranged at the end portion of the anchor rod 11, wherein the size of the end plate 12 is larger than the diameter of the anchor rod 11 and larger than a placing hole 111 of the masonry 1 for placing the anchor rod 11, the placing hole 111 is convenient for the masonry 1 to place the anchor rod 11, the placing hole 111 penetrates through the masonry 1 at the moment, the anchor rod 11 penetrates into the placing hole 111, and a placing groove 121 for placing the end plate 12 is formed in the masonry 1; there is a gap between the end plate 12 and the bottom and wall of the standing groove 121. End plate 12 that sets up at 11 both ends of stock for when whole stock 11 structure is in brickwork 1, there is end plate 12 the tip of stock 11 can improve the anchor power of stock 11, and then the further brickwork 1 of consolidating of the stock 11 of being convenient for.
As shown in fig. 1 and 2, a bushing 112 with meshes is sleeved outside the anchor rod 11, one end of the bushing 112 is fixed at one end of the anchor rod 11 entering the masonry 1, the other end of the bushing is connected with a sliding block 113 for closing the opening of the bushing 112, the sliding block 113 is connected to the anchor rod 11 in a sliding manner, an exhaust duct 114 and a liquid inlet pipe 115 with one end extending into the bushing 112 are arranged on the sliding block 113, a plurality of exhaust holes are arranged on the exhaust duct 114, and the exhaust duct 114 and the liquid inlet pipe 115 penetrate out of the end plate 12. Grout is gradually injected into the liner 112 through the exhaust duct 114 and the drain pipe, so that the liner 112 gradually abuts against the wall of the placing hole 111, and the exhaust duct 114 and the liquid inlet pipe 115 penetrate out of the end plate 12, thereby facilitating the injection of grout into the liner 112.
Example 2: a construction method of a masonry reinforcement anchor rod structure, as shown in fig. 3 and 4, comprises the following steps,
s1, drilling, namely drilling a placing hole 111 with the diameter d on the surface of the masonry 1 by using a drilling tool, wherein two ends of the placing hole 111 extend out of the surface of the masonry 1;
s2, reaming, namely stretching a reaming drill into the drilled placing hole 111, and cutting the end part of the placing hole 111 into a placing groove 121, wherein the diameter of the placing groove 121 is D, and D is larger than D;
s3, placing the anchor rod 11, the bush 112 and the exhaust duct 114 into the placing hole 111, and providing the end plate 12 at both ends or one end of the anchor rod 11;
s4, uniformly stirring the cement grouting material with water, and injecting the cement grouting material into the lining 112 by using a pressure pump until the grout overflows out of the opening of the placing groove 121;
and S5, plugging the notch of the placing groove 121 after the slurry is completely solidified.
As shown in figures 3 and 4, through the steps, the end plates 12 can be conveniently placed in the hole expansion, after grout overflows from the notches of the placing grooves 121, the end plates 12 are also fixed in the masonry 1, the anchoring force of the anchor rods 11 is improved, and the outer surface of the masonry 1 is attractive due to the arrangement of the plugging.
And S2, the construction of the placing groove 121 in the hole expansion comprises the following steps that after the processing of S1 is completed, a drill bit with the diameter larger than D is adopted to drill the surface of the masonry 1, and then the placing groove 121 with the diameter D is processed to be placed by the end plate 12. The processing method is simple and convenient, and only two drilling bits which are D and D are needed.
As shown in fig. 3 and 4, or in order to process the placement groove 121, the following construction may be performed, in the construction step of the placement groove 121, the drill for processing the placement groove 121 includes the positioning rod 13 having the diameter d, after one end of the positioning rod 13 enters the placement hole 111, a processing tool bit 131 coaxial with the positioning rod 13 is disposed outside one end of the positioning rod 13 away from the placement hole 111, the tool bit 131 is used for processing the placement groove 121, and the coaxiality of the processed placement groove 121 and the placement hole 111 is high, so that the installation of the end plate 12 is facilitated, and when the center of the end plate 12 is installed at the end of the anchor rod 11, the end plate 12 provides the anchoring force to the anchor rod 11.
Example 3: the difference from embodiment 2 is that, as shown in fig. 5 and 6, S2, the construction of the placing groove 121 in the enlarged hole includes the following steps, after the processing of S1 is completed, firstly, a reamer is used to process a circular ring-shaped hole 143 on the surface of the masonry 1 having the placing hole 111, the reamer includes a rotating rod 14 and a cutting pipe 141 coaxially disposed outside the rotating rod 14, one end of the cutting pipe 141 is closed, and the other end is provided with a saw tooth 142 for cutting the masonry 1, at this time, the rotating rod 14 can be fixed on a power device for providing a rotating force, such as an output end of an electric drill, and then a reaming cutter drilling tool is used to perform circular cutting on the hole wall of the placing hole 111 to form a circular cutter hole 144, the cutter hole 144 and the circular ring-shaped hole 143 are communicated, and the part of the masonry 1 cut by the cutter hole 144 and the circular ring-shaped hole 143 forms the placing block 145, and the placing block 145 is used for plugging the notch of the placing groove 121 in S5. In order to improve the coaxiality between the circular hole 143 and the placing hole 111, the diameter of the rotating rod 14 may be set to the diameter of the placing hole 111, and at this time, one end of the rotating rod 14 extends out of the cutting pipe 141, and when the cutting pipe 141 is processed, one end of the rotating rod 14 enters the placing hole 111 first, and is used for guiding and positioning when the cutting pipe 141 cuts the masonry 1.
As shown in fig. 5 and fig. 6, the placing blocks 145 cut by the above processing steps are components of the original masonry 1, and after grouting is completed, the placing grooves 121 are sealed by the original masonry 1, so that the surface reducibility of the ancient building is improved.
As shown in fig. 5 and 7, in order to facilitate the removal of the placing block 145, the reaming cutter drill in the construction step of reaming the placing groove 121 includes a disk-shaped saw blade 15 and a first power unit 151 for providing a rotational force to the center of the saw blade 15, and the diameter of the saw blade 15 is smaller than the diameter of the placing hole 111. The first power assembly 151 may be, for example, an output of an electric drill, but is not limited thereto, at which time the operator holds the handle portion of the electric drill in his hand, so that the saw blade 15 is gradually close to the hole wall of the placing hole 111, so that the saw blade 15 cuts the masonry 1, and then the operator moves the handle portion of the electric drill by hand, thereby changing the position of the saw blade 15, and further facilitating the formation of the cutter hole 144.
Example 4: the difference from embodiment 3 is that, as shown in fig. 8 and 9, the reaming cutter drilling tool in the step of reaming the placing groove 121 in the hole includes a disk-shaped fixing frame 16 and a second power device for providing a rotating force to the center of the fixing frame 16, the second power device may be an output end of an electric drill, but is not limited thereto, a cutting head 161 for cutting the hole wall of the placing hole 111 is provided on the fixing frame 16, the cutting head 161 may be a blade with a saw tooth 142 shape, a driving member for driving the cutting head 161 to extend out of the fixing frame 16 and cut the placing hole 111 is provided on the fixing frame 16, the outer wall of the fixing frame 16 is matched with the inner wall of the placing hole 111, and the circular hole 143 is coaxial with the placing hole 111.
As shown in fig. 8 and 9, at this time, the operator holds the handle portion of the electric drill by hand, so that the fixing frame 16 in a disc shape enters the placing hole 111, at this time, the circular ring-shaped hole 143 is coaxially arranged with the placing hole 111, which facilitates the processing of the cutter hole 144, after the fixing frame 16 enters the placing hole 111, the second power device provides a rotating force to the center of the fixing frame 16, so that the fixing frame 16 rotates, and then the driving element drives the cutting head 161 to move out of the fixing frame 16 and move out of the fixing frame 16, which facilitates the cutting head 161 to cut the hole wall of the placing hole 111, so as to process and form the cutter hole 144, which facilitates the taking out of the placing block 145.
As shown in fig. 8 and fig. 9, the driving member includes a first sliding slot 162 disposed on the fixing frame 16 and radially distributed along the fixing frame 16, a sliding block 163 slidably connected to the first sliding slot 162 is disposed on the cutting head 161, a first limiting block is disposed on each of two sides of the sliding block 163 and enters the corresponding slot wall of the first sliding slot 162, in order to avoid the notch of slippery long piece 163 from first spout 162 to shift out, first stopper can move on the cell wall of first spout 162 along with the removal of slippery long piece 163, the one end that mount 16 center was kept away from to first spout 162 extends mount 16, cutting head 161 sets up the one end of keeping away from the mount 16 center at slippery long piece 163, the notch that slippery long piece 163 upper end extended first spout 162 and be equipped with rack 164 in the side that extends, be connected with the first gear 165 with rack 164 meshing through the dwang rotation on the mount 16, a side that mount 16 deviates from first spout 162 is equipped with drive dwang pivoted first motor 166.
As shown in fig. 8 and 9, at this time, the first motor 166 drives the first gear 165 to rotate forward and backward, so as to drive the rack 164 to move back and forth along the first sliding slot 162, and further the sliding block 163 drives the cutting head 161 to extend out of the fixed frame 16 or into the first sliding slot 162, so as to meet the use requirement, when the inner wall of the placement hole 111 is cut, the cutting head 161 extends out of the fixed frame 16, and when the fixed frame 16 needs to be moved out of the placement hole 111 without cutting, the cutting head 161 is moved into the first sliding slot 162, so as not to affect the movement of the fixed frame 16 in the placement hole 111.
As shown in fig. 8 and 9, the fixing frame 16 is covered with a first protecting cover 167 covering the first gear 165 and the first sliding groove 162 at a side provided with the first sliding groove 162, and a first removing hole 1671 for removing the cutting head 161 is opened on the first protecting cover 167. The first guard 167 protects the first gear 165 and the rack 164 to facilitate the engagement of the first gear 165 and the rack 164.
As shown in fig. 10 and fig. 11, or the driving member includes two second sliding grooves 168 that are provided on the fixed frame 16 and radially distributed along the fixed frame 16, the two second sliding grooves 168 are located on the same straight line, a moving block 1681 slidably connected to the second sliding grooves 168 is provided on the cutting head 161, second limit blocks that enter into the opposite groove walls of the second sliding grooves 168 are provided on both sides of the moving block 1681, so as to prevent the moving block 1681 from moving out of the groove opening of the second sliding grooves 168, the second limit blocks can move on the groove walls of the second sliding grooves 168 along with the movement of the moving block 1681, the cutting head 161 is located at one end of the moving block 1681 away from the center of the fixed frame 16, the two second sliding grooves 168 extend out of the fixed frame 16 at one end away from the center of the fixed frame 16, the upper end of the moving block 1681 extends out of the groove opening of the second sliding groove 168, and the extended end is provided with a threaded rod 1682, the threaded rod 1682 is disposed opposite to the cutting head 161, the two threaded rods 1682 on the two moving blocks 1681 are threadedly connected through a rotating sleeve 1683, the threads on the two threaded rods 1682 are reverse threads, and the fixed frame 16 is provided with a power part for driving the reverse threads to rotate.
As shown in fig. 10 and 11, the rotating sleeve 1683 is rotated by applying a rotational force to the rotating sleeve 1683 by the power member, and when the rotating sleeve 1683 is rotated, the two threaded rods 1682 are moved in opposite directions or in a direction approaching each other, thereby facilitating the movement of the cutting head 161 out of the holder 16 or into the holder 16.
As shown in fig. 10 and fig. 11, the power member includes a driven gear 1684 sleeved on an outer wall of the rotating sleeve 1683, the driven gear 1684 is fixedly connected to the rotating sleeve 1683, and a gap is formed between the driven gear 1684 and the fixing frame 16, so as to facilitate the rotation of the driven gear 1684, a driving gear 1685 engaged with the driven gear 1684 is disposed on the fixing frame 16, a second motor 1686 for driving the driving gear 1685 to rotate is disposed on the fixing frame 16, and a limiting member for limiting the rotating sleeve 1683 to move along the direction of the second sliding slot 168 is disposed on the fixing frame 16. The limit stop limits the position of the rotating sleeve 1683 to facilitate rotation of the rotating sleeve 1683 and to improve stability of engagement with the driving gear 1685. When the second motor 1686 drives the driving gear 1685 to rotate, the driving gear 1685 drives the driven gear 1684 to rotate, and further drives the rotating sleeve 1683 to rotate.
As shown in fig. 10 and 11, the limiting member includes a plurality of fixed shafts 169 disposed on the fixing frame 16 and located at two ends of the rotating sleeve 1683 along the length direction thereof, the number of the fixed shafts 169 is four, and there are two fixed shafts located at one end of the rotating sleeve 1683, at this time, the four fixed shafts 169 are respectively disposed in pairs near the end surfaces of two sides of the rotating sleeve 1683, an oval turntable 1691 is sleeved on the fixed shafts 169, and when the turntable 1691 is rotated to make the turntable 1691 collide with the end surface of the rotating sleeve 1683, a locking block 1692 for pressing the turntable 1691 on the fixing frame 16 is threadedly connected to the fixed shafts 169. The locking piece 1692 now limits the position of the turntable 1691 so that the turntable 1691 limits the movement of the rotary sleeve 1683 along the length of the second runner 168.
As shown in fig. 10 and 11, the fixing frame 16 is provided with a second protecting cover 1693 covering the second sliding slot 168 and the power member at the side provided with the second sliding slot 168, and the second protecting cover 1693 is provided with a second removing hole 1694 for removing the cutting head 161. Second protective cover 1693 protects the power member, extends the useful life of the power member, and facilitates movement of movable block 1681 within second runner 168.
Example 5: the difference from the embodiment 2 is that, as shown in fig. 12 and S2, the construction of the placing groove 121 in the hole expansion includes the following steps, after the completion of the processing in S1, a circular hole is first machined on the surface of the masonry 1 with the placing hole 111 by using a reamer, then the inner hole walls at both ends of the placing hole 111 are machined by using a milling cutter, so as to form a milling groove with a length equal to the depth of the placing groove 121, the depth of the milling groove is (D-D)/2, and then the milling groove is machined by using a machining drill to form the placing groove 121. The processing of milling flutes this moment is convenient for process the drilling tool and gets into and place in the hole 111, and then is convenient for cut brickwork 1, forms standing groove 121.
As shown in fig. 12, the machining drill includes a rotation rod 14 engaged with an inner wall of the placing hole 111 and a third power unit for providing a rotating force to a center of the rotation rod 14, the third power unit may be, for example, an output end of an electric drill, but not limited thereto, a cutting edge 17 entering into the milling groove is provided on an outer wall of the rotation rod 14, the third power unit provides a rotating force to the rotation rod 14, and at this time, the cutting edge 17 rotates along with the rotation rod 14, and the cutting edge 17 cuts the masonry 1.
As shown in fig. 12, the rotation rod 14 includes a central rod 172 having a plurality of mounting grooves 171 formed on the outer wall thereof in the circumferential direction, and a fixing sleeve 173 sleeved on the outer wall of the central rod 172, the outer wall of the fixing sleeve 173 is engaged with the inner wall of the placement hole 111, one end of the mounting groove 171, which is away from the third power device, extends out of the end surface of the central rod 172, and the lower end of the cutting edge 17 is provided with a mounting block 174 which enters into the mounting groove 171, the mounting block 174 can enter into the central rod 172 through one end of the mounting groove 171, when the fixing sleeve 173 is sleeved outside the central rod 172, the fixing sleeve 173 is provided with a moving groove 175 for the cutting edge 17 to enter into the fixing sleeve 173, the cutting edge 17 extends out of the moving groove 175, the size of the moving groove 175 is smaller than that of the mounting block 174, when the fixing sleeve 173 is sleeved outside the central rod 172, the fixing sleeve 173 limits the mounting block 174 in the mounting groove 171, the outer wall of the central rod 172 is screwed sleeve 176, the end of the threaded sleeve 176 remote from the central rod 172 is provided with a stop sleeve 177 which is in threaded connection with the outer wall of the fixed sleeve 173. Rotate threaded sleeve 176 this moment and make spacing sleeve 177 be close to fixed sleeve 173 gradually, until spacing sleeve 177 and fixed sleeve 173 outer wall threaded connection, and then the position of restriction fixed sleeve 173, it fixes installation piece 174 in mounting groove 171 to be convenient for fixed sleeve 173, and be convenient for cutting edge 17 cuts brickwork 1, only need mirror fixed sleeve 173 dismantle when cutting edge 17 needs to be changed can, mounting groove 171 sets up a plurality ofly in addition, be convenient for change cutting edge 17 and install the position on revolving bar 14, satisfy the operation requirement, and can install a plurality of cutting edges 17, the groove milling also need correspond earlier well-processed this moment.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (3)
1. A construction method of a masonry reinforced anchor rod structure is characterized by comprising the following steps: the masonry structure comprises an anchor rod (11) penetrating through the interior of a masonry (1) and an end plate (12) arranged at the end part of the anchor rod (11), wherein the size of the end plate (12) is larger than the diameter of the anchor rod (11) and larger than a placing hole (111) of the masonry (1) for placing the anchor rod (11), and a placing groove (121) for placing the end plate (12) is formed in the masonry (1);
the anchor rod (11) is sleeved with a bushing (112) with meshes, one end of the bushing (112) is fixed to one end, entering the masonry (1), of the anchor rod (11), the other end of the bushing is connected with a sliding block (113) for closing an opening of the bushing (112), the sliding block (113) is connected to the anchor rod (11) in a sliding mode, an exhaust duct (114) and a liquid inlet pipe (115) with one ends extending into the bushing (112) are arranged on the sliding block (113), a plurality of exhaust holes are formed in the exhaust duct (114), and the exhaust duct (114) and the liquid inlet pipe (115) penetrate out of the end plate (12); a gap is reserved between the end plate (12) and the bottom and the wall of the placing groove (121);
comprises the following steps of (a) carrying out,
s1, drilling, namely drilling a placing hole (111) with the diameter d on the surface of the masonry (1) by using a drilling tool, wherein two ends of the placing hole (111) extend out of the surface of the masonry (1);
s2, reaming, namely stretching a reaming drill into the drilled placing hole (111), and cutting the end part of the placing hole (111) into a placing groove (121), wherein the diameter of the placing groove (121) is D, and D is larger than D;
s3, putting the anchor rod (11), the lining (112) and the exhaust guide pipe (114) into the placing hole (111) together, and arranging end plates (12) at two ends or one end of the anchor rod (11);
s4, uniformly stirring the cement grouting material with water, and injecting the cement grouting material into the lining (112) by using a pressure pump until the slurry overflows the opening of the placing groove (121);
s5, plugging the notch of the placing groove (121) after the slurry is completely solidified;
after S1 is processed, firstly, a circular annular hole (143) is processed on the surface of the masonry (1) with the placing hole (111) by using a reamer, then, a hole expanding cutter drilling tool is used for cutting the hole wall of the placing hole (111) in an annular mode to form an annular cutter hole (144), so that the cutter hole (144) is communicated with the circular annular hole (143), at the moment, a placing block (145) is formed by the part, cut from the masonry (1), of the cutter hole (144) and the circular annular hole (143), and the placing block (145) is used for plugging a notch of the placing groove (121) in S5;
the reaming cutter drilling tool in the construction step of placing the groove (121) in reaming comprises a disc-shaped fixing frame (16) and a second power device for providing a rotating force for the center of the fixing frame (16), wherein a cutting head (161) for cutting the wall of the placing hole (111) is arranged on the fixing frame (16), a driving piece for driving the cutting head (161) to extend out of the fixing frame (16) and cut the placing hole (111) is arranged on the fixing frame (16), the outer wall of the fixing frame (16) is matched with the inner wall of the placing hole (111), and the circular ring-shaped hole (143) and the placing hole (111) are coaxially arranged;
the driving piece comprises two second sliding grooves (168) which are arranged on the fixed frame (16) and radially distributed along the fixed frame (16), the two second sliding grooves (168) are positioned on the same straight line, a moving block (1681) which is connected with the second sliding grooves (168) in a sliding manner is arranged on the cutting head (161), second limiting blocks which enter the corresponding groove walls of the second sliding grooves (168) are arranged on two sides of the moving block (1681), the second limiting blocks move on the groove walls of the second sliding grooves (168) along with the movement of the moving block (1681), the cutting head (161) is positioned at one end of the moving block (1681) far away from the center of the fixed frame (16), the fixed frame (16) extends out of one end of the two second sliding grooves (168), a notch of the second sliding groove (168) extends out of the upper end of the moving block (1681), a threaded rod (1682) is arranged at one end extending out of the threaded rod, the threaded rod (1682) is arranged opposite to the cutting head (161), two threaded rods (1682) positioned on the two moving blocks (1681) are in threaded connection through a rotating sleeve (1683), threads on the two threaded rods (1682) are reverse threads, and a power part for driving the reverse threads to rotate is arranged on the fixed frame (16).
2. The construction method of the masonry reinforcement anchor rod structure according to claim 1, characterized in that: the reaming cutter drilling tool in the construction step of reaming the placing groove (121) comprises a disc-shaped saw blade (15) and a first power device (151) for providing a rotating force to the center of the saw blade (15), wherein the diameter of the saw blade (15) is smaller than the diameter of the placing hole (111).
3. The construction method of the masonry reinforcement anchor rod structure according to claim 1, characterized in that: s2, replacing the construction of the placing groove (121) in the hole expansion with the following steps, after the processing of S1 is completed, firstly processing a circular ring hole on the surface of the masonry (1) with the placing hole (111) by using a reamer, then processing inner hole walls at two ends of the placing hole (111) by using a milling cutter, further forming a milling groove with the length equal to the depth of the placing groove (121), wherein the groove depth of the milling groove is (D-D)/2, and then processing the milling groove by using a processing drilling tool to form the placing groove (121);
the machining drilling tool comprises a self-rotating rod (14) matched with the inner wall of the placing hole (111) and a third power device for providing a rotating force for the center of the self-rotating rod (14), a cutting edge (17) entering a milling groove is arranged on the outer wall of the self-rotating rod (14), and the cutting edge (17) cuts a masonry body (1);
the self-rotating rod (14) comprises a central rod (172) with a plurality of mounting grooves (171) formed in the circumferential direction of the outer wall and a fixed sleeve (173) sleeved on the outer wall of the central rod (172), the outer wall of the fixed sleeve (173) is matched with the inner wall of the placement hole (111), one end, far away from a third power device, of the mounting groove (171) extends out of the end face of the central rod (172), a mounting block (174) entering the mounting groove (171) is arranged at the lower end of the cutting edge (17), when the fixed sleeve (173) is sleeved outside the central rod (172), a moving groove (175) for the cutting edge (17) to enter the fixed sleeve (173) is formed in the fixed sleeve (173), the cutting edge (17) extends out of the moving groove (175), the size of the moving groove (175) is smaller than that of the mounting block (174), and when the fixed sleeve (173) is sleeved outside the central rod (172), the outer wall of the central rod (172) is in threaded connection with a threaded sleeve (176), and one end, away from the central rod (172), of the threaded sleeve (176) is provided with a limiting sleeve (177) in threaded connection with the outer wall of the fixed sleeve (173).
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| CN202010282389.9A CN111502322B (en) | 2020-04-12 | 2020-04-12 | Masonry reinforcement anchor rod structure and construction method thereof |
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| CN111502322B true CN111502322B (en) | 2022-06-24 |
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