Concrete cutting surface anchoring construction device and construction method

Abstract

The application belongs to the technical field of building construction, and particularly relates to a concrete cutting surface plant tendon construction device and a construction method, which comprises a cylinder, a piston plate is sealingly and slidably connected in the cylinder, an injection pipe is fixed on the piston plate, through holes are uniformly arranged on the circumferential wall of the injection pipe, an inner pipe coaxial with the injection pipe is rotatably connected in the injection pipe, the front end of the injection pipe penetrates to the outside of the cylinder, a hydraulic cylinder is installed in the cylinder, the output end of the hydraulic cylinder is fixed with the piston plate, and in the process that the hydraulic cylinder drives the injection pipe to move into the drill hole, the piston plate extrudes the air at the front end of the cylinder into the injection pipe, the air is blown into the drill hole through the through holes, and the drill hole is cleaned. The application can integrate the hole cleaning and glue injection in the same device, and the linkage cooperation operation can greatly reduce the complexity of the operation steps in the plant tendon work, and is favorable for improving the work efficiency.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of building construction, in particular to a concrete cutting surface plant tendon construction device and construction method. BACKGROUND

[0002] Many cement concrete pavements appear structural damage and early disease problems due to unreasonable construction methods and insufficient pavement maintenance, which seriously affect the normal use quality and safety of highways. The pavement appears joint damage, concrete slab damage and other phenomena, which are caused by subsidence, fault, slab fracture, slab void and serious damage. Through reasonable technical process, the service life of the road is effectively prolonged and the comfort of the road is improved under the condition of complex and changeable climate, low temperature and oxygen deficiency in plateau area.

[0003] The concrete cutting surface plant tendon treatment is an important step in the maintenance of cement concrete pavement. In the prior art, for the concrete cutting surface plant tendon construction, cleaning tools and glue injection tools need to be prepared respectively, and the drilling cleaning and glue injection work are performed in sequence, which is complex and tedious, thereby greatly reducing the work efficiency. SUMMARY

[0004] The present application is aimed at the problems in the background art, and provides a concrete cutting surface plant tendon construction device and construction method.

[0005] To achieve the above-mentioned purpose, the following technical scheme is adopted: a concrete cutting surface plant tendon construction device, comprising a barrel, a piston plate is sealingly and slidably connected in the barrel, an injection pipe is fixed on the piston plate, through holes are uniformly formed on the peripheral side wall of the injection pipe, an inner pipe coaxial with the injection pipe is rotatably connected in the injection pipe, the front end of the injection pipe penetrates to the outside of the barrel, a hydraulic cylinder is installed in the barrel, the output end of the hydraulic cylinder is fixed with the piston plate, in the process of the hydraulic cylinder pushing the injection pipe to move to the drilling hole, the piston plate extrudes the air at the front end of the barrel into the injection pipe, the air is blown into the drilling hole through the through holes, and the drilling hole is cleaned;

[0006] Two pump liquid assemblies are symmetrically arranged in the barrel, the pump liquid assembly comprises a rotating shaft rotatably connected to the inner wall of the barrel, a gear is connected to the rotating shaft through a one-way bearing, a rack is fixed on the piston plate and meshes with the gear, a pump liquid cylinder is fixed on the inner wall of the barrel, the output end of the pump liquid cylinder is communicated with the inner pipe through a communication pipe, a cam is fixed on the rotating shaft for driving the pump liquid cylinder to work, in the process of the hydraulic cylinder pushing the injection pipe to move to the outside of the drilling hole, the pump liquid cylinder continuously sucks glue and sprays it to the inner wall of the drilling hole through the inner pipe.

[0007] Further, the front end of the barrel is fixed with a sealing sleeve, and the injection pipe is slidingly arranged in the sealing sleeve.

[0008] Further, an air inlet is arranged on the side wall of the barrel, and a one-way air inlet valve is arranged at the air inlet.

[0009] Further, a glue storage box is fixed outside the barrel, and the glue storage box is communicated with the input end of the pump liquid cylinder through a glue inlet pipe.

[0010] Further, a reciprocating plug is slidingly connected in the pump liquid cylinder, a valve rod is fixed on the reciprocating plug, the valve rod extends out of the pump liquid cylinder and is rotationally connected with a follow-up ball, and the follow-up ball is slidingly connected with the circumferential wall of the cam.

[0011] Further, a spiral coil is embedded in the inner wall of the pump liquid cylinder, a permanent magnet is fixedly embedded in the reciprocating plug, a semiconductor heating sheet is arranged on the inner wall of the pump liquid cylinder, and the semiconductor heating sheet is electrically connected with the spiral coil. When the reciprocating plug drives the permanent magnet to reciprocate in the pump liquid cylinder, the spiral coil continuously cuts the magnetic induction lines of the permanent magnet to generate an induced current, thereby supplying power to the semiconductor heating sheet and achieving the purpose of heating the glue.

[0012] Further, a three-way pipe is embedded in the piston plate, an input end of an inner pipe extends into the piston plate and rotationally communicates with the three-way pipe, output ends of two communication pipes both extend through the piston plate and communicate with the three-way pipe, and a one-way valve is arranged at the communication position of the pump liquid cylinder and the communication pipe.

[0013] Further, a disc-shaped shell is fixed at the front end of the inner pipe, the inner pipe communicates with the inside of the disc-shaped shell, a plurality of glue injection pipes are uniformly distributed on the circumferential wall of the disc-shaped shell, and the glue injection pipes adopt an L-shaped structure and communicate with the inside of the disc-shaped shell.

[0014] Further, two symmetrical handles are fixed on the outer side wall of the barrel, and a rubber anti-skid sleeve is sleeved on the handle.

[0015] A concrete cutting surface steel bar planting construction method comprises the following steps:

[0016] S1 cleaning: removing the cement surface and floating slurry;

[0017] S2 drilling: drilling according to the diameter and corresponding depth of the steel bar, checking the hole diameter and depth, and meeting the design requirements of 8mm in diameter and 300cm in depth;

[0018] S3 hole cleaning: hold two handles, move the cylinder to the hole to be planted, after the sealing sleeve is aligned with the hole, start the hydraulic cylinder, the hydraulic cylinder pushes the injection tube to move into the hole, the piston plate extrudes the air at the front end of the cylinder into the injection tube, the air is blown into the hole through the through hole, and the hole is cleaned;

[0019] S4 glue injection: control the hydraulic cylinder to drive the piston plate to reset, pull the injection tube out of the hole, the pump cylinder continuously sucks the glue in the glue storage box, and the glue is uniformly sprayed on the inner wall of the hole through the inner tube by each glue spraying pipe;

[0020] S5 planting: the prepared steel bar is slowly inserted into the hole bottom, and is installed according to the curing time, so that the anchoring agent is uniformly attached to the surface and gap of the steel bar, and then welding, binding and other work are carried out after curing;

[0021] S6 detection: random sampling site inspection of the pullout bearing capacity.

[0022] Compared with the prior art, the concrete cutting surface planting construction device and the construction method have the advantages that:

[0023] 1. The piston plate extrudes the air at the front end of the cylinder into the injection tube during the movement of the injection tube into the hole driven by the hydraulic cylinder, the air is blown into the hole through the through hole, the hole is cleaned, the injection tube is pulled out of the hole by the piston plate reset driven by the hydraulic cylinder, the pump cylinder continuously sucks the glue in the glue storage box, the glue is uniformly sprayed on the inner wall of the hole through the inner tube by each glue spraying pipe, the hole cleaning and glue injection are combined in the same device, and the operation steps in the planting work are greatly simplified, and the working efficiency is improved.

[0024] 2. When the reciprocating plug drives the permanent magnet to reciprocate in the pump cylinder, the spiral coil continuously cuts the magnetic induction line of the permanent magnet to generate an induced current to power the semiconductor heating sheet, the purpose of heating the glue is achieved, the flowability of the glue is increased, the glue is evenly distributed in the hole, no additional heating equipment is needed, and the cost is reduced.

[0025] 3. When the glue is sprayed out of the glue spraying pipe, since the glue spraying pipe adopts an L-shaped structure, the glue will generate a reverse force on the glue spraying pipe to drive the disc-shaped shell to rotate, so that dead angles are avoided, and the glue is more uniformly injected on the inner wall of the hole. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic view of a concrete cutting surface planting construction device provided by the application;

[0027] Figure 2 is Figure 1 is an enlarged view of A in the middle;

[0028] Figure 3 is Figure 2 is an enlarged view of B in the middle;

[0029] Figure 4 is Figure 1 is an enlarged view of C in the middle;

[0030] Figure 5 is a schematic view of the internal structure of the disc-shaped shell in a concrete cutting surface steel bar planting construction device provided by the application;

[0031] Figure 6 is a flowchart of a concrete cutting surface steel bar planting construction method provided by the application.

[0032] In the figure, 1 is a cylinder, 2 is a piston plate, 3 is an injection pipe, 4 is a through hole, 5 is an inner pipe, 6 is a hydraulic cylinder, 7 is a rotating shaft, 8 is a gear, 9 is a rack, 10 is a pump liquid cylinder, 11 is a communication pipe, 12 is a cam, 13 is a sealing sleeve, 14 is an air inlet, 15 is a glue storage box, 16 is a reciprocating plug, 17 is a valve rod, 18 is a follow-up ball, 19 is a spiral coil, 20 is a permanent magnet, 21 is a semiconductor heating sheet, 22 is a tee pipe, 23 is a disc-shaped shell, 24 is a glue injection pipe, and 25 is a handle. DETAILED DESCRIPTION

[0033] The following examples are for illustrative purposes only and are not intended to limit the scope of the application.

[0034] As Figures 1-5 shown, a concrete cutting surface steel bar planting construction device includes a cylinder 1, a piston plate 2 is sealingly and slidably connected in the cylinder 1, an injection pipe 3 is fixed on the piston plate 2, through holes 4 are uniformly formed on the peripheral side wall of the injection pipe 3, an inner pipe 5 coaxial with the injection pipe 3 is rotatably connected in the injection pipe 3, the front end of the injection pipe 3 penetrates to the outside of the cylinder 1, a sealing sleeve 13 is fixed on the front end of the cylinder 1, the injection pipe 3 is slidingly arranged in the sealing sleeve 13, a hydraulic cylinder 6 is installed in the cylinder 1, the output end of the hydraulic cylinder 6 is fixed with the piston plate 2, an air inlet 14 is arranged on the side wall of the cylinder 1, a one-way air inlet valve is installed at the air inlet 14, which only allows outside air to enter the cylinder 1, during the movement of the injection pipe 3 into the drill hole pushed by the hydraulic cylinder 6, the piston plate 2 extrudes the air at the front end of the cylinder 1 into the injection pipe 3, and the air is blown into the drill hole through the through holes 4 to clean the drill hole;

[0035] Two pump liquid assemblies are symmetrically arranged in the barrel 1, and each pump liquid assembly comprises a rotating shaft 7 rotatably connected to the inner wall of the barrel 1, a gear 8 connected to the rotating shaft 7 through a one-way bearing, a rack 9 fixed to the piston plate 2 and meshing with the gear 8, a pump liquid cylinder 10 fixed to the inner wall of the barrel 1, an output end of the pump liquid cylinder 10 communicated with the inner tube 5 through a communication pipe 11, a glue storage box 15 fixed to the outer wall of the barrel 1 and communicated with an input end of the pump liquid cylinder 10 through a glue inlet pipe, a cam 12 fixed to the rotating shaft 7 and used for driving the pump liquid cylinder 10 to work, a reciprocating plug 16 sealingly and slidably arranged in the pump liquid cylinder 10, a valve rod 17 fixed to the reciprocating plug 16 and extending out of the pump liquid cylinder 10 and rotatably connected with a follower ball 18, and the follower ball 18 is slidably connected with the circumferential wall of the cam 12. During the movement of the injection pipe 3 out of the borehole driven by the hydraulic cylinder 6, the rack 9 drives the gear 8 to rotate, the one-way bearing can rotate freely in this direction, and the rotating shaft 7 does not rotate. During the movement of the injection pipe 3 out of the borehole driven by the hydraulic cylinder 6, the one-way bearing is locked in this direction, the gear 8 drives the cam 12 to rotate through the rotating shaft 7, the protruding part of the cam 12 periodically rotates to the follower ball 18, and then drives the reciprocating plug 16 to reciprocate in the pump liquid cylinder 10, so that the pump liquid cylinder 10 continuously sucks glue, and the glue is sprayed to the inner wall of the borehole through the inner tube 5. The hole cleaning and glue injection are combined in the same device, and the operation steps in the anchorage work are greatly simplified, and the work efficiency is improved.

[0036] A spiral coil 19 is embedded in the inner wall of the pump liquid cylinder 10, a permanent magnet 20 is embedded in the reciprocating plug 16, a semiconductor heating sheet 21 is mounted on the inner wall of the pump liquid cylinder 10, the heating principle of the semiconductor heating sheet 21 is thermoelectric effect, and the specific structure is the prior art in the field, which will not be described here. The semiconductor heating sheet 21 is electrically connected with the spiral coil 19. When the reciprocating plug 16 drives the permanent magnet 20 to reciprocate in the pump liquid cylinder 10, the spiral coil 19 continuously cuts the magnetic induction lines of the permanent magnet 20 to generate induced current, supplies power to the semiconductor heating sheet 21, realizes the purpose of heating the glue, increases the fluidity of the glue, facilitates the flow of the glue in the borehole, and uniformly distributes the glue. No additional heating equipment is needed, and the cost is reduced.

[0037] A three-way pipe 22 is embedded in the piston plate 2, an input end of the inner tube 5 extends into the piston plate 2 and is rotatably communicated with the three-way pipe 22, output ends of the two communication pipes 11 both penetrate the piston plate 2 and are communicated with the three-way pipe 22, the communication pipe 11 is a telescopic corrugated pipe, and a one-way valve is mounted at the communication position of the pump liquid cylinder 10 and the communication pipe 11.

[0038] The front end of the inner tube 5 is fixed with a disc-shaped shell 23, and the inner tube 5 is in communication with the inside of the disc-shaped shell 23, and a plurality of glue injection pipes 24 are uniformly distributed on the peripheral side wall of the disc-shaped shell 23, the glue injection pipe 24 adopts an L-shaped structure and is in communication with the inside of the disc-shaped shell 23, when the glue is sprayed out by the glue injection pipe 24, because the glue injection pipe 24 adopts an L-shaped structure, the glue will give the glue injection pipe 24 a reverse force, push the disc-shaped shell 23 to rotate, avoid the dead angle, and realize more uniform glue injection on the inner wall of the drill hole.

[0039] The outer side wall of the barrel body 1 is fixed with two symmetrically arranged handles 25, and the handle 25 is sleeved with a rubber anti-skid sleeve.

[0040] Referring to Figure 6 A concrete cutting surface steel bar planting construction method, comprising the following steps:

[0041] S1 cleaning: removing the surface of cement and floating slurry;

[0042] S2 drilling: drilling according to the diameter and corresponding depth of the steel bar, checking the hole diameter and depth, meeting the design requirements of diameter 18mm and depth 300cm;

[0043] S3 hole cleaning: holding two handles 25, moving the barrel body 1 to the hole to be planted, aligning the hole with the sealing sleeve 13, starting the hydraulic cylinder 6 to run, and moving the injection pipe 3 into the hole, the piston plate 2 extrudes the air at the front end of the barrel body 1 into the injection pipe 3, the air is blown into the hole through the through hole 4, and the hole is cleaned;

[0044] S4 glue injection: control the hydraulic cylinder 6 to drive the piston plate 2 to reset, pull out the injection pipe 3 outside the hole, the pump liquid cylinder 10 continuously sucks the glue in the glue storage box 15, and the glue is uniformly sprayed on the inner wall of the hole through the inner tube 5 and each glue injection pipe 24;

[0045] S5 steel bar planting: slowly inserting the prepared steel bar into the hole bottom, installing according to the curing time, so that the anchoring agent is uniformly attached to the surface and gap of the steel bar, and then welding, binding and other work are carried out after curing;

[0046] S6 detection: random sampling site inspection of the pullout bearing capacity.

[0047] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A concrete cutting surface rebar installation device, comprising a cylinder (1), characterized in that, A piston plate (2) is slidably connected inside the cylinder (1). An injection tube (3) is fixed on the piston plate (2). Through holes (4) are evenly opened on the peripheral sidewall of the injection tube (3). An inner tube (5) is rotatably connected inside the injection tube (3) and is coaxial with it. The front end of the injection tube (3) extends through to the outside of the cylinder (1). A hydraulic cylinder (6) is installed inside the cylinder (1). The output end of the hydraulic cylinder (6) is fixed to the piston plate (2). During the process of the hydraulic cylinder (6) pushing the injection tube (3) into the borehole, the piston plate (2) squeezes the air at the front end of the cylinder (1) into the injection tube (3). The air is blown into the borehole through the through hole (4) to clean the borehole. Two pumping assemblies are symmetrically arranged inside the cylinder (1). The pumping assembly includes a rotating shaft (7) rotatably connected to the inner wall of the cylinder (1). A gear (8) is connected to the rotating shaft (7) through a one-way bearing. A rack (9) that meshes with the gear (8) is fixed on the piston plate (2). A pumping cylinder (10) is fixed on the inner wall of the cylinder (1). The output end of the pumping cylinder (10) is connected to the inner tube (5) through a connecting pipe (11). A cam (12) for driving the pumping cylinder (10) is fixed on the rotating shaft (7). During the process of the hydraulic cylinder (6) pushing the injection tube (3) to move out of the borehole, the pumping cylinder (10) continuously draws glue and sprays it onto the inner wall of the borehole through the inner tube (5). The pump cylinder (10) is sealed and slidably connected with a reciprocating plug (16), and a valve stem (17) is fixed on the reciprocating plug (16). The valve stem (17) extends to the outside of the pump cylinder (10) and is rotatably connected with a follower ball (18). The follower ball (18) is slidably connected to the peripheral wall of the cam (12). A spiral wound coil (19) is embedded in the inner wall of the pump cylinder (10), and a permanent magnet (20) is fixedly embedded in the reciprocating plug (16). A semiconductor heating plate (21) is installed on the inner wall of the pump cylinder (10). The semiconductor heating plate (21) is electrically connected to the spiral wound coil (19). When the reciprocating plug (16) drives the permanent magnet (20) to slide back and forth in the pump cylinder (10), the spiral wound coil (19) continuously cuts the magnetic field lines of the permanent magnet (20) to generate an induced current, which powers the semiconductor heating plate (21) to achieve the purpose of heating the glue. The piston plate (2) is embedded with a three-way pipe (22). The input end of the inner pipe (5) extends into the piston plate (2) and is rotatably connected to the three-way pipe (22). The output ends of the two connecting pipes (11) pass through the piston plate (2) and are connected to the three-way pipe (22). A one-way valve is installed at the connection between the pump cylinder (10) and the connecting pipe (11).

2. The concrete cutting surface rebar installation device according to claim 1, characterized in that, The front end of the cylinder (1) is fixed with a sealing sleeve (13), and the injection tube (3) is slidably disposed inside the sealing sleeve (13).

3. The concrete cutting surface rebar installation device according to claim 2, characterized in that, An air inlet (14) is provided on the side wall of the cylinder (1), and a one-way air inlet valve is installed at the air inlet (14).

4. The concrete cutting surface rebar installation device according to claim 3, characterized in that, A glue storage box (15) is fixed outside the cylinder (1), and the glue storage box (15) is connected to the input end of the pump cylinder (10) through the glue inlet pipe.

5. The concrete cutting surface rebar installation device according to claim 4, characterized in that, The inner tube (5) is fixed with a disc-shaped shell (23) at its front end, and the inner tube (5) is connected to the interior of the disc-shaped shell (23). Several glue spray tubes (24) are evenly distributed on the peripheral sidewall of the disc-shaped shell (23). The glue spray tubes (24) adopt an L-shaped structure and are connected to the interior of the disc-shaped shell (23).

6. The concrete cutting surface rebar installation device according to claim 5, characterized in that, Two symmetrically arranged handles (25) are fixed on the outer side wall of the cylinder (1), and rubber anti-slip sleeves are fitted on the handles (25).

7. A method for installing rebar on a concrete cut surface, using the concrete cut surface rebar installation device as described in claim 6, characterized in that, Includes the following steps: S1 Cleaning: Removes laitance and mortar from the surface of cement concrete; S2 Drilling: Drill holes according to the diameter and corresponding depth of the rebar, check the hole diameter and depth, and ensure that they meet the design requirements of 18mm diameter and 300cm depth. S3 Hole Cleaning: Hold both handles (25) and move the cylinder (1) to the hole to be planted. After aligning the sealing sleeve (13) with the hole, start the hydraulic cylinder (6). As the hydraulic cylinder (6) pushes the injection tube (3) into the hole, the piston plate (2) squeezes the air at the front end of the cylinder (1) into the injection tube (3). The air is blown into the hole through the through hole (4) to clean the hole. S4 Injection: Control the hydraulic cylinder (6) to drive the piston plate (2) to reset, pull the injection tube (3) out of the hole, and the pump cylinder (10) continuously draws the glue in the glue storage box (15). The glue passes through the inner tube (5) and is evenly sprayed onto the inner wall of the drill hole by each spray tube (24). S5 rebar installation: The prepared rebar is slowly inserted into the bottom of the hole while rotating, and installed according to the curing time, so that the anchoring agent is evenly attached to the surface and gaps of the rebar. After it has cured, welding and rebar binding are carried out. S6 test: Random sampling on-site inspection of pull-out bearing capacity.

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