CN111706110A - Reinforced concrete chimney cylinder wall trompil sample and synchronous restoration reinforcement device - Google Patents
Reinforced concrete chimney cylinder wall trompil sample and synchronous restoration reinforcement device Download PDFInfo
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- CN111706110A CN111706110A CN202010619773.3A CN202010619773A CN111706110A CN 111706110 A CN111706110 A CN 111706110A CN 202010619773 A CN202010619773 A CN 202010619773A CN 111706110 A CN111706110 A CN 111706110A
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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
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
- E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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Abstract
The invention discloses a reinforced concrete chimney cylinder wall tapping sampling and synchronous repairing reinforcement device in the technical field of concrete repair, which comprises a noise reduction type shell, wherein a driven gear is sleeved on the outer wall of a drilling sampling assembly positioned in the inner cavity part of the noise reduction type shell, the gear is meshed with one side opposite to the driven gear, a drill rod is taken down after sampling, a heat insulation blocking block is inserted, an expansion screw is put into an installation hole, the expansion screw is screwed in after an expansion pipe is fixed, a proper amount of concrete is injected into the inner cavity of a connecting cylinder through a grouting port according to the wall thickness, the connecting cylinder is inserted into the inner cavity of a sampling hole, a movable rod is pushed to enable the movable block to push the concrete to enter the sampling hole, a sealing plate is inserted into the left sides of two groups of expansion screws, a screw cap is screwed in for fixing, after the concrete is initially set, the sealing plate is taken down and then the concrete is coated for blocking, or the sealing, the repair effect of the cylinder wall is improved.
Description
Technical Field
The invention relates to the technical field of concrete repair, in particular to a reinforced concrete chimney cylinder wall hole opening sampling and synchronous repairing and reinforcing device.
Background
Due to the particularity of the chimney structure, workers can only operate on one side, the traditional repairing mode is that concrete is filled in holes to seal the holes, but the repairing quality of the holes is difficult to guarantee, the holes are repaired by common concrete, the hardening time is long, the holes are not suitable for field operation, the repairing quality is difficult to guarantee by adopting hard concrete, and therefore, the reinforced concrete chimney cylinder wall opening sampling and synchronous repairing reinforcing device is provided.
Disclosure of Invention
The invention aims to provide a reinforced concrete chimney cylinder wall hole opening sampling and synchronous repairing reinforcing device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a reinforced concrete chimney cylinder wall tapping sampling and synchronous repairing reinforcement device comprises a noise reduction type shell, wherein a through hole is formed in the center of the outer wall of the right side of the noise reduction type shell, a bearing is installed in an inner cavity of the through hole, a drilling sampling assembly is fixedly installed on the inner ring of the bearing, the right end of the drilling sampling assembly extends to the right side of the cylinder wall, the left end of the drilling sampling assembly extends to the outer wall formed by the noise reduction type shell, a driving motor is installed at the top of the inner wall of the right side of the noise reduction type shell, a gear is installed at the power end of the left side of the driving motor, a driven gear is sleeved on the outer wall of the drilling sampling assembly, which is located in the inner cavity of the noise reduction type shell, the gear is meshed with one side opposite to the driven gear, connecting plates are arranged at, the drilling and sampling assembly comprises a connecting piece, a connecting block, a drilling rod, a drilling sampling assembly, a drilling gear ring, a drilling sampling assembly ring, a transmission gear ring and a cylinder wall, wherein the left end of the connecting piece is connected with the outer wall of the right side of the noise reduction type shell through a bearing, the right end of the connecting piece penetrates through the connecting block to be installed with the drilling rod, the right side of the joint of the connecting piece and the connecting block is sleeved with the transmission gear ring, the.
Further, drilling sample subassembly includes the connecting cylinder, the coniform drill bit is installed to the connecting cylinder right-hand member, the diamond bit is installed to the coniform drill bit right-hand member, the coniform drill bit is hollow bit, coniform drill bit diameter from left to right degressive, the coniform drill bit right-hand member equals with diamond bit left end diameter, the grout mouth is installed on connecting cylinder top outer wall left side, the grout mouth is located the formula of making an uproar shell left side of falling.
Further, the drilling rod includes drilling rod right-hand member fixed mounting's drill bit, drilling rod and drill bit leave the mounting hole on the section of thick bamboo wall, diamond bit and coniform drill bit leave the thief hole on the section of thick bamboo wall, the thief hole is coniform, and its left end diameter is greater than the right-hand member diameter, thief hole ring inner wall right side activity is pegged graft and is had thermal-insulated shutoff piece, concrete is pour to the left side of thief hole ring inner wall and thermal-insulated shutoff piece junction, the mounting hole inner chamber is equipped with the inflation screw, and is two sets of the inflation screw left side activity is pegged graft and is had the shrouding, the inflation screw is equipped with the nut with the left side thread bush of.
Furthermore, the reinforced connection block is installed at the right end of the connection piece, a groove is formed in the outer wall of the right side of the reinforced connection block, a protruding block is movably inserted into the inner cavity of the groove, the drill rod is welded at the right end of the protruding block, threaded holes are formed in the top and the bottom of the reinforced connection block, a locking bolt is sleeved in each threaded hole, and a positioning screw hole matched with the locking bolt is formed in the outer wall of the top of the protruding block.
Further, the top and the bottom of falling the formula of making an uproar shell left side outer wall all are equipped with the handle, the bull stick is installed through the bearing in the bottom of falling the formula of making an uproar shell right side inner wall, the bull stick left side extends to and falls the formula of making an uproar shell left side outer wall and is equipped with twist grip, the outer wall cover that the bull stick is located the formula of making an uproar shell inner chamber portion of making an uproar is equipped with auxiliary gear, auxiliary gear meshes with the relative one side of.
Further, connecting cylinder, coniform drill bit and diamond bit internal diameter equal, the activity of connecting cylinder inner chamber is pegged graft and is had the movable block, the movable rod is installed to the movable block left end, the movable rod left end extends to connecting cylinder left side outer wall and installs the handle.
Compared with the prior art, the invention has the beneficial effects that:
1. the driving motor drives the gear, the driven gear, the drilling sampling assembly, the transmission gear ring, the driven gear, the connecting piece and the drill rod to rotate, the drilling sampling assembly is operated by the hand-held handle to be close to the cylinder wall to perform drilling sampling on the left side of the cylinder wall, sampling holes which are communicated left and right are reserved on the cylinder wall, meanwhile, a mounting hole with a certain depth is reserved on the left side of the cylinder wall by the rotation of the drill rod, a sample after drilling sampling can be reserved in an inner cavity of the diamond bit, and at the moment, the drilling sampling assembly is pulled out to push the movable rod to take out the;
2. take off the drilling rod after the sample, insert thermal-insulated shutoff piece again, in going into the mounting hole with the inflation screw down, treat the fixed back of expansion pipe, inflation screw in, according to the wall thickness size, with appropriate amount of concrete through grout mouth injection connecting cylinder inner chamber, insert the thief hole inner chamber with the connecting cylinder, promote the movable rod again and make the movable block promote concrete and get into the thief hole, insert the left side of two sets of inflation screws with the shrouding again, the screw in nut fix can, treat the concrete initial set back, paint the concrete after taking off the shrouding and carry out the shutoff, or paint the concrete between with the direct shutoff of shrouding on section of thick bamboo wall, improve the repairing effect of section of thick bamboo wall.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a drill sampling assembly according to the present invention;
FIG. 3 is a schematic view of a coupling and drill pipe of the present invention;
FIG. 4 is a schematic view showing the use of the external repair reinforcement device after sampling through the opening of the hole according to the present invention.
In the figure: 1. a noise reducing housing; 2. a drilling sampling assembly; 21. a connecting cylinder; 22. a conical drill bit; 23. a diamond drill bit; 24. a movable block; 25. a movable rod; 26. grouting ports; 3. a drive motor; 4. a gear; 5. a driven gear; 6. a rotating rod; 7. an auxiliary gear; 8. a handle; 9. a connecting plate; 10. a connecting member; 101. reinforcing the connecting block; 102. a groove; 103. locking the bolt; 104. a bump; 105. positioning the screw hole; 11. connecting blocks; 12. a transmission gear; 13. a drill stem; 131. a drill bit; 14. a transmission gear ring; 15. a sampling hole; 16. a thermal insulation block; 17. mounting holes; 18. an expansion screw; 19. a nut; 20. and (7) closing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: a reinforced concrete chimney cylinder wall tapping sampling and synchronous repairing reinforcement device, please refer to fig. 1, including falling the formula of making an uproar shell 1, fall the formula of making an uproar shell 1 and be equipped with the metal casing of inhaling the sound cotton for the inner wall, fall the formula of making an uproar shell 1 right side outer wall center and be equipped with the through-hole, the bearing is installed to the through-hole inner chamber, the inner circle fixed mounting of bearing has drilling sampling component 2, drilling sampling component 2 right-hand member extends to the section of thick bamboo wall right side, drilling sampling component 2 left end extends to the formula of making an uproar shell 1 constitution outer wall that falls, fall the formula of making an uproar shell 1 right side inner wall top and install driving motor 3, driving motor 3 left side power end installs gear 4, drilling sampling component 2 is located the outer wall cover of the formula of making an uproar shell 1 inner chamber portion and is equipped with driven gear 5, gear, Driven gear 5 and drilling sampling subassembly 2 are rotatory to be drilled, the top and the bottom of the outer wall of the right side of formula of making an uproar shell 1 of making an uproar all are equipped with connecting plate 9, the equal fixed mounting in right side of the relative outer wall of two sets of connecting plates 9 has connecting block 11, the existence of connecting block 11, accessible connecting piece 10 and the rotatory stationarity of drilling rod 13, connecting piece 11 left side activity is pegged graft and is had connecting piece 10, connecting piece 10 left end and the outer wall of the right side of formula of making an uproar shell 1 of making an uproar shell of making an uproar are passed through the bearing and are connected, connecting piece 10 right-hand member passes connecting block 11 and installs drilling rod 13, the right side cover of connecting piece 10 and connecting block 11 junction is equipped with drive gear 12, drilling sampling subassembly 2 hoop outer wall and the right side cover of, The transmission gear 12 and the drill rod 13 rotate to drill holes, and mounting holes 17 are machined to facilitate mounting of expansion screws 18;
referring to fig. 2, the drilling sampling assembly 2 includes a connecting cylinder 21, a conical drill bit 22 is installed at the right end of the connecting cylinder 21, a diamond drill bit 23 (thin-walled diamond drill bit) is installed at the right end of the conical drill bit 22, the connecting cylinder 21, the conical drill bit 22 and the diamond drill bit 23 are connected in a welding manner, the conical drill bit 22 is a hollow drill bit, the diameter of the conical drill bit 22 decreases progressively from left to right, the diameter of the right end of the conical drill bit 22 is equal to that of the left end of the diamond drill bit 23, a conical sampling hole 15 is processed, a grouting opening 26 is installed at the left side of the outer wall of the top of the connecting cylinder 21, so that concrete can be conveniently poured in, and the grouting opening 26 is located at the;
referring to fig. 3-4, a drill rod 13 includes a drill bit 131 fixedly installed at the right end of the drill rod 13, an external thread is arranged on the outer wall of the drill rod 13, a mounting hole 17 is formed by rotating and moving to the right, the mounting hole 17 is left on the wall of the drill rod 13 and the drill bit 131, a sampling hole 15 is left on the wall of the drill rod 23 and the conical drill bit 22, the sampling hole 15 is conical, the diameter of the left end of the sampling hole 15 is larger than that of the right end, a heat insulation block 16 is movably inserted to the right side of the circumferential inner wall of the sampling hole 15, the heat insulation block 16 can only be taken out to the left and can be tightly pressed to the right, leakage during concrete pouring is avoided, concrete is poured to the left side of the connection between the circumferential inner wall of the sampling hole 15 and the heat insulation block 16, an expansion screw 18 is arranged in the inner cavity of the mounting hole 17, a sealing;
referring to fig. 3, a reinforced connecting block 101 is installed at the right end of a connecting piece 10, a groove 102 is formed in the outer wall of the right side of the reinforced connecting block 101, a convex block 104 is movably inserted into the inner cavity of the groove 102, a drill rod 13 is welded at the right end of the convex block 104, threaded holes are formed in the top and the bottom of the reinforced connecting block 101, a locking bolt 103 is sleeved in the threaded holes, and a positioning screw hole 105 matched with the locking bolt 103 is formed in the outer wall of the top of the convex;
referring to fig. 1, handles 8 are arranged at the top and the bottom of the outer wall of the left side of the noise reduction type shell 1, a rotating rod 6 is mounted at the bottom of the inner wall of the right side of the noise reduction type shell 1 through a bearing, a rotating handle is arranged at the left side of the rotating rod 6 and extends to the outer wall of the left side of the noise reduction type shell 1, so that a worker can conveniently hold the rotating rod by hand to operate the rotating rod, an auxiliary gear 7 is sleeved on the outer wall of the rotating rod 6, which is positioned in the inner cavity of the noise reduction type shell 1, the auxiliary gear 7 is meshed with one side, which is opposite;
referring to fig. 2, the inner diameters of the connecting cylinder 21, the conical drill bit 22 and the diamond drill bit 23 are equal, a movable block 24 is movably inserted into the inner cavity of the connecting cylinder 21, a movable rod 25 is installed at the left end of the movable block 24, a handle is installed at the left end of the movable rod 25, which extends to the outer wall of the left side of the connecting cylinder 21, and the movable block 24 can move left and right to push out a sample and concrete;
the first embodiment is as follows:
1. borehole sampling
Starting a driving motor 3, driving the gear 4, a driven gear 5, a drilling sampling assembly 2, a transmission gear ring 14, a transmission gear 12, a connecting piece 10 and a drill rod 13 to rotate by the driving motor 3, operating the drilling sampling assembly 2 by holding a handle 8, enabling the drilling sampling assembly to approach the cylinder wall and perform drilling sampling on the left side of the cylinder wall, leaving a sampling hole 15 and a mounting hole 17 which are communicated from left to right on the cylinder wall, leaving a sample after drilling sampling in an inner cavity of a diamond bit 23, and pulling out the drilling sampling assembly 2 to push a movable rod 25 to take out the sample;
2. preparation for repair
Taking down the drill rod 13 after sampling the chimney, putting the expansion screw 18 into the mounting hole 17, drilling a ten-millimeter mounting hole 17 on the expansion screw 18 with the diameter of 6mm, drilling a 12-millimeter mounting hole 17 on the expansion screw 18 with the diameter of 8mm, selecting the outer diameter of the expansion pipe according to the diameter of the mounting hole 17, cleaning the inner cavity of the sampling hole 15, and inserting the heat-insulation plugging block 16;
3. installation, repair and reinforcement device
According to the wall thickness, injecting a proper amount of concrete into the inner cavity of the connecting cylinder 21 through the grouting opening 26, inserting the connecting cylinder 21 into the inner cavity of the sampling hole 15, pushing the movable rod 25 to enable the movable block 24 to push the concrete to enter the sampling hole 15, inserting the sealing plate 20 into the left sides of the two groups of expansion screws 18, and screwing the screw caps 19 for fixing;
4. sealing closure
After the operation is finished, concrete can be coated to seal and level the sealing plate 20 and the cylinder wall, and the sealing effect is further improved.
Example two:
1. borehole sampling
Starting a driving motor 3, wherein the driving motor 3 drives a gear 4, a driven gear 5, a drilling sampling assembly 2, a transmission gear ring 14, a transmission gear 12, a connecting piece 10 and a drill rod 13 to rotate, a handle 8 is held by a hand to operate the drilling sampling assembly 2, so that the drilling sampling assembly is close to the cylinder wall and performs drilling sampling on the left side of the cylinder wall, a sampling hole 15 which is communicated from left to right is reserved on the cylinder wall, the length of the drill rod 13 is smaller than that of the drilling sampling assembly 2, a mounting hole 17 with a certain depth is reserved on the left side of the cylinder wall, a sample after drilling sampling can be reserved in an inner cavity of a diamond bit 23, and the drilling sampling assembly 2 is;
2. preparation for repair
Taking down the drill rod 13 after sampling the chimney, putting the expansion screw 18 into the mounting hole 17, drilling a ten-millimeter mounting hole 17 on the expansion screw 18 with the diameter of 6mm, drilling a 12-millimeter mounting hole 17 on the expansion screw 18 with the diameter of 8mm, selecting the outer diameter of the expansion pipe according to the diameter of the mounting hole 17, cleaning the inner cavity of the sampling hole 15, and inserting the heat-insulation plugging block 16;
3. installation, repair and reinforcement device
According to the wall thickness, injecting a proper amount of concrete into the inner cavity of the connecting cylinder 21 through the grouting opening 26, inserting the connecting cylinder 21 into the inner cavity of the sampling hole 15, pushing the movable rod 25 to enable the movable block 24 to push the concrete to enter the sampling hole 15, inserting the sealing plate 20 into the left sides of the two groups of expansion screws 18, and screwing the screw caps 19 for fixing;
4. sealing closure
After the operation is completed, after the concrete in the inner cavity of the sampling hole 15 is initially set, the screw cap 19, the sealing plate 20 and the expansion screw 18 are sequentially taken down, then the concrete is used for smearing, the sampling hole 15 and the mounting hole 17 are sealed and leveled, and the plugging effect is further improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a reinforced concrete chimney section of thick bamboo wall trompil sample and synchronous restoration reinforcement device, is including falling the formula shell of making an uproar (1), its characterized in that: the noise reduction type drilling and sampling device is characterized in that a through hole is formed in the center of the outer wall of the right side of the noise reduction type shell (1), a bearing is installed in the inner cavity of the through hole, a drilling and sampling assembly (2) is fixedly installed on the inner ring of the bearing, the right end of the drilling and sampling assembly (2) extends to the right side of the cylinder wall, the left end of the drilling and sampling assembly (2) extends to the outer wall formed by the noise reduction type shell (1), a driving motor (3) is installed at the top of the inner wall of the right side of the noise reduction type shell (1), a gear (4) is installed at the power end of the left side of the driving motor (3), a driven gear (5) is sleeved on the outer wall of the inner cavity portion of the noise reduction type shell (1) of the drilling and sampling assembly (2), the gear (4) is meshed with the opposite side of the driven gear (, connecting block (11) left side activity is pegged graft and is had connecting piece (10), connecting piece (10) left end passes through the bearing with the formula of making an uproar shell (1) right side outer wall of falling and is connected, connecting piece (10) right-hand member passes connecting block (11) and installs drilling rod (13), the right side cover of connecting piece (10) and connecting block (11) junction is equipped with drive gear (12), drilling sample subassembly (2) hoop outer wall is equipped with transmission ring gear (14) with the right side cover of the formula of making an uproar shell (1) junction of falling, drive gear (12) and the relative one side meshing of transmission ring gear (14), drilling rod (13) right-hand member extends to section of thick.
2. The reinforced concrete chimney barrel wall opening sampling and synchronous repairing and reinforcing device according to claim 1, characterized in that: drilling sample subassembly (2) are including connecting cylinder (21), circular cone drill bit (22) are installed to connecting cylinder (21) right-hand member, diamond bit (23) are installed to circular cone drill bit (22) right-hand member, circular cone drill bit (22) are hollow bit, circular cone drill bit (22) diameter from left to right degressive, circular cone drill bit (22) right-hand member equals with diamond bit (23) left end diameter, grout hole (26) are installed in connecting cylinder (21) top outer wall left side, grout hole (26) are located and fall the formula of making an uproar shell (1) left side.
3. The reinforced concrete chimney barrel wall opening sampling and synchronous repairing and reinforcing device according to claim 2, characterized in that: drilling rod (13) include drilling rod (13) right-hand member fixed mounting's drill bit (131), drilling rod (13) and drill bit (131) leave mounting hole (17) on the section of thick bamboo wall, diamond bit (23) and coniform drill bit (22) leave sampling hole (15) on the section of thick bamboo wall, sampling hole (15) are coniform, and its left end diameter is greater than the right-hand member diameter, sampling hole (15) ring inner wall right side activity is pegged graft and is had thermal-insulated shutoff piece (16), concrete is pour to the left side of sampling hole (15) ring inner wall and thermal-insulated shutoff piece (16) junction, mounting hole (17) inner chamber is equipped with expansion screw (18), and is two sets of expansion screw (18) left side activity is pegged graft and is had shrouding (20), expansion screw (18) and the left side thread bush of shrouding (20) junction are equipped with nut (19).
4. The reinforced concrete chimney barrel wall opening sampling and synchronous repairing and reinforcing device according to claim 1, characterized in that: the drill rod drilling machine is characterized in that a reinforced connecting block (101) is installed at the right end of the connecting piece (10), a groove (102) is formed in the outer wall of the right side of the reinforced connecting block (101), a convex block (104) is movably inserted into an inner cavity of the groove (102), a drill rod (13) is welded at the right end of the convex block (104), threaded holes are formed in the top and the bottom of the reinforced connecting block (101), a locking bolt (103) is sleeved in each threaded hole, and a positioning screw hole (105) matched with the locking bolt (103) is formed in the outer wall.
5. The reinforced concrete chimney barrel wall opening sampling and synchronous repairing and reinforcing device according to claim 1, characterized in that: the top and the bottom of falling the formula of making an uproar shell (1) left side outer wall all are equipped with handle (8), the bottom of falling the formula of making an uproar shell (1) right side inner wall installs bull stick (6) through the bearing, bull stick (6) left side is extended to and is fallen the formula of making an uproar shell (1) left side outer wall and is equipped with twist grip, outer wall cover that bull stick (6) are located the formula of making an uproar shell (1) inner chamber portion of making an uproar is equipped with auxiliary gear (7), auxiliary gear (7) and the relative one side meshing of driven gear (5).
6. The reinforced concrete chimney barrel wall opening sampling and synchronous repairing and reinforcing device according to claim 2, characterized in that: the inner diameters of the connecting cylinder (21), the conical drill bit (22) and the diamond drill bit (23) are equal, a movable block (24) is movably inserted into an inner cavity of the connecting cylinder (21), a movable rod (25) is installed at the left end of the movable block (24), and a handle is installed on the outer wall of the left side of the movable rod (25) in a manner of extending to the connecting cylinder (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010619773.3A CN111706110A (en) | 2020-06-30 | 2020-06-30 | Reinforced concrete chimney cylinder wall trompil sample and synchronous restoration reinforcement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010619773.3A CN111706110A (en) | 2020-06-30 | 2020-06-30 | Reinforced concrete chimney cylinder wall trompil sample and synchronous restoration reinforcement device |
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| Publication Number | Publication Date |
|---|---|
| CN111706110A true CN111706110A (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010619773.3A Withdrawn CN111706110A (en) | 2020-06-30 | 2020-06-30 | Reinforced concrete chimney cylinder wall trompil sample and synchronous restoration reinforcement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914656A (en) * | 2021-11-24 | 2022-01-11 | 山东交通学院 | Repairing device and repairing method for concrete drilling coring |
-
2020
- 2020-06-30 CN CN202010619773.3A patent/CN111706110A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914656A (en) * | 2021-11-24 | 2022-01-11 | 山东交通学院 | Repairing device and repairing method for concrete drilling coring |
| CN113914656B (en) * | 2021-11-24 | 2022-11-04 | 山东交通学院 | Repairing device and repairing method for concrete drilling coring |
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Application publication date: 20200925 |