CN113125201A

CN113125201A - Novel device for detecting concrete strength

Info

Publication number: CN113125201A
Application number: CN202110465997.8A
Authority: CN
Inventors: 刘�东
Original assignee: Ma'anshan Quantum Wire Automation Technology Co ltd
Current assignee: Ma'anshan Quantum Wire Automation Technology Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-07-16

Abstract

The invention discloses a novel device for detecting concrete strength, and belongs to the technical field of concrete strength detection. The utility model provides a novel device for detecting concrete strength, the on-line screen storage device comprises a base, the base right-hand member is equipped with two bracing pieces, the spout has been seted up to bracing piece inner, two be equipped with a supporting beam between the bracing piece, be equipped with the lift adjustment structure in the spout, a supporting beam left and right sides is equipped with fixed plate A, is located left be equipped with servo motor on the fixed plate A, be located the right side fixed plate A top surface is equipped with the seal box, be equipped with brill core mechanism in the seal box, the seal box top surface is equipped with the water pressure regulating box, be equipped with water. The core drilling mechanism is movably connected with the supporting structure, multi-angle adjustment is convenient, the water pressure adjusting assembly is associated with the core drilling mechanism, drilling and water injection cooling can be realized through the servo motor, the core drilling speed is in direct proportion to the water injection quantity, resources are saved, and the working efficiency is improved.

Description

Novel device for detecting concrete strength

Technical Field

The invention relates to the technical field of concrete strength detection, in particular to a novel device for detecting the concrete strength.

Background

The core drilling method is a detection method for drilling a core sample on structural concrete by using a special drilling machine and an artificial diamond hollow thin-wall drill bit to detect the strength and the defects of the concrete, can be used for detecting the strength of the concrete, the depth of damage of the structural concrete caused by freezing and fire, the quality conditions of concrete joints and layered parts, the defects of concrete cracks, segregation, holes and the like, is visual, accurate and reliable, is an effective method which cannot be replaced by other nondestructive detection methods, has higher cost and longer time consumption for detecting the concrete by using the core drilling method, causes local damage to the concrete, so that a large number of core drilling samples are limited, and can be combined by using other nondestructive detection methods such as an ultrasonic method and the core drilling method to reduce the number of cores, on the other hand, the result of the core drilling method can be verified by combining other nondestructive detection methods such as the ultrasonic method and the core drilling method, on the other hand, the detection result of the core drilling method can also verify the detection result of other non-destructive detection methods, such as an ultrasonic method, so as to improve the detection reliability.

Therefore, the core drilling method has irreplaceable advantages, but the existing core drilling device is most common in handheld and support supporting, can drill a slope of a wall body by being driven by a handheld motor, is a dead plate for a supporting structure, is fixed in a drilling structure, generally only supports one-way depth, and therefore in the actual construction detection process, a plurality of core drilling devices are utilized, and the working efficiency is influenced.

Therefore, it is necessary to design a new device for detecting the strength of concrete.

Disclosure of Invention

The object of the present invention is to provide a new apparatus for detecting concrete strength in order to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a novel device for detecting the strength of concrete comprises a base, wherein the base is arranged in a hollow square-shaped structure, two supporting rods are fixedly arranged on the top surface of the right end of the base in a front-back symmetrical structure, sliding grooves communicated with the outside are formed in the inner ends of the supporting rods along the vertical direction, a supporting beam is arranged above the right end of the base and opposite to the position between the two supporting rods, the front end and the rear end of the supporting beam are respectively provided with a lifting adjusting structure, the bottom ends of the left side and the right side of the supporting beam are fixedly connected with a fixed plate A, a servo motor fixed with the left wall of the supporting beam is arranged above the middle part of the fixed plate A on the left side, a sealing box is arranged on the top surface of the middle part of the fixed plate A on the right side, the inside drill core mechanism that is equipped with of seal box, the seal box top is cylindrical structure and is equipped with the water pressure regulating box, water pressure regulating box inside is equipped with the water pressure regulating subassembly.

Preferably, the lifting adjusting structure comprises two lead screws, the lead screws are vertically arranged inside the sliding grooves in a rotating mode, the thread-free positions at the tops of the lead screws penetrate through the top surfaces of the supporting rods and are connected with the supporting rods in a rotating mode, and the top ends of the lead screws are fixedly provided with rotary tables.

Preferably, the outer wall of the screw rod is rotatably connected with a sliding block, the inner end of the sliding block penetrates through the sliding groove and extends to the outer side of the sliding block, and the inner end of the sliding block is in contact with the outer wall of the supporting beam and is rotatably connected with the supporting beam through a rotating rod.

Preferably, the core drilling mechanism comprises a drill bit, the drill bit is of a hollow structure with a bottom surface communicated with the outside and is arranged below a fixing plate A located on the right side, the bottom surface of the drill bit is annular and provided with tooth grooves at equal intervals, the top of the drill bit is a connecting rod integrally formed with the drill bit, a water conveying hole communicated with the inside of the drill bit is formed in the connecting rod of the drill bit, a water conveying pipe A is rotatably connected to the inner wall of the top end of the drill bit relative to the position of the outer side of the water conveying hole, a water discharging hole is uniformly formed in the position, close to the bottom end, of the water conveying pipe A.

Preferably, the drill bit top connecting rod passes and is located inside the fixed plate A that the right side extends to the seal box, the thread groove has been seted up for the position that is located the fixed plate A top on right side to the connecting rod outer wall of drill bit, the connecting rod outer wall threaded connection of drill bit has the screwed pipe, the screwed pipe top surface is equipped with the fixing base, the screwed pipe top extends to inside and rather than the rotation connection of fixing base.

Preferably, the drill core mechanism further comprises a U-shaped fixing frame arranged in an inverted mode, the U-shaped fixing frame is arranged on the outer side, opposite to the threaded pipe, of the inner portion of the sealing box, the top surface of the fixing seat is fixedly connected with the U-shaped fixing frame through bolts, and connecting grooves which are identical in aperture and communicated with the water delivery holes are formed in the middle of the U-shaped fixing frame and the middle of the fixing seat.

Preferably, two gears A are sequentially sleeved on the outer wall of the threaded pipe, a chain is sleeved on the outer wall of the gear A below the threaded pipe, a gear B is sleeved on the outer wall of an output shaft of the servo motor, the gear A and the gear B are connected through chain meshing, a rotating shaft is arranged on the right side of the threaded pipe in parallel, a gear A meshed gear C above the rotating shaft is sleeved on the outer wall of the rotating shaft, and the top end of the rotating shaft upwards extends to the inside of the water pressure adjusting box and is connected with the water pressure adjusting box in a rotating mode.

Preferably, the water pressure adjusting assembly comprises a rotating seat, the rotating seat is arranged above the rotating shaft, the rotating shaft upwards extends to the inside of the rotating seat and is connected with the rotating seat in a sliding mode, a spring connected with the bottom surface of the water pressure adjusting box is fixedly arranged at the position, opposite to the position above the rotating seat, of the bottom surface of the rotating seat, a fixing plate B is arranged at the position, opposite to the position above the rotating seat, of the water pressure adjusting box, a limiting ring is arranged at the position between the bottom surface of the fixing plate B and the rotating seat, the top surface of one side of the limiting ring is rotatably connected with the bottom surface of the fixing plate B through a connecting seat, a screw in a symmetrical structure with the connecting seat is arranged on the top surface of.

Preferably, a piston rod is fixed on the top surface of the rotating seat, the top surface of the piston rod penetrates through the limiting ring and the fixing plate B, extends to the upper side of the piston rod and is in sliding connection with the limiting ring and the fixing plate B, a piston pipe is arranged at the top end of the piston rod, a piston at the bottom end of the piston pipe is fixedly connected with the piston rod, a one-way water valve is arranged in the piston rod, one end of the piston pipe is communicated with a water delivery pipe B relative to the piston and the one-way water valve, and the other.

Compared with the prior art, the invention provides a novel device for detecting the strength of concrete, which has the following beneficial effects:

(1) the invention provides a novel device for detecting concrete strength, which is characterized in that a core drilling device is movably connected with a supporting structure, the core drilling device can be adjusted in a multi-angle portable mode to increase the range of the application range, meanwhile, a water pressure adjusting assembly is connected with a core drilling mechanism, the core drilling mechanism can be driven by a servo motor to simultaneously realize water injection and temperature reduction, and the water pressure adjusting assembly and the core drilling mechanism are in kinetic energy transmission fit through meshing between gears, so that the core drilling speed is in direct proportion to the water injection amount, the resource saving is realized, and the working efficiency is increased.

(2) The invention changes most of the existing core drilling structures, the core drilling mechanism is realized by penetrating the lifting adjusting threaded rod through the supporting beam and controlling the supporting beam by lifting, but the lifting adjusting mode limits the drilling direction of the drill bit, different equipment is needed for drilling on the wall surface and the ground surface, so the invention symmetrically arranges two screw rods for lifting adjustment and installs the two screw rods in the supporting rod, and rotatably connects the sliding blocks in threaded connection with the screw rods with the supporting beams, the angle adjustment of the supporting beam is not influenced while the lifting of the supporting beam is controlled, and meanwhile, attention is required to be paid to, when the base is arranged, the base is arranged into a hollow-back structure, the supporting rod and the related mechanisms of the drill core are arranged on one side of the base, the reserved base part, can set up the stability that the balancing weight comes the increase equipment according to the atress that the angle problem of drilling led to.

(3) The core drilling mechanism is arranged around the supporting beam, the left side and the right side of the supporting beam are additionally provided with the fixing plates A to serve as bearing platforms of the core drilling mechanism, the two fixing plates A balance the supporting beam through arranging the servo motor and installing the core drilling mechanism, and the control difficulty is reduced.

Drawings

FIG. 1 is a schematic overall front view of the present invention;

FIG. 2 is a schematic left side view of the overall structure of the present invention;

FIG. 3 is a schematic diagram of a support beam and a left side section and a lifting adjusting structure of one of the sliders of the support beam;

FIG. 4 is a schematic structural diagram of a support beam, a fixing plate A, a seal box, a hydraulic pressure regulating box, a front section and internal related components according to the present invention;

FIG. 5 is a schematic view of the front side section of the drill bit and the split structure of the core drilling mechanism of the present invention;

FIG. 6 is a schematic diagram of a front cross-section of a piston tube and a disassembled structure of a hydraulic pressure regulator assembly according to the present invention;

description of the figure numbers: 1. a base; 2. a support bar; 3. a chute; 4. a support beam; 5. a lifting adjustment structure; 501. a screw rod; 502. a turntable; 503. a slider; 6. fixing a plate A; 7. a servo motor; 701. a gear B; 8. a sealing box; 9. a core drilling mechanism; 901. a drill bit; 902. a water delivery hole; 903. a water delivery pipe A; 904. a sprinkler plate; 905. a thread groove; 906. a threaded pipe; 907. a fixed seat; 908. a U-shaped fixing frame; 909. a gear A; 910. a chain; 911. a rotating shaft; 912. a gear C; 10. a water pressure regulating tank; 11. a water pressure regulating assembly; 1101. a rotating seat; 1102. a spring; 1103. a fixing plate B; 1104. a limiting ring; 1105. a screw; 1106. a piston rod; 1107. a piston tube; 1108. a one-way water valve; 1109. a water delivery pipe B.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

please refer to fig. 1-4, a novel device for detecting concrete strength, which comprises a base 1, the base 1 is a hollow round structure, the top surface of the right end of the base 1 is a front and back symmetrical structure and is provided with two support rods 2, the inner ends of the support rods 2 are provided with sliding chutes 3 communicated with the outside along the vertical direction, a support beam 4 is arranged above the right end of the base 1 relative to the position between the two support rods 2, the front and back ends of the support beam 4 are provided with lifting adjusting structures 5, the bottom ends of the left and right sides of the support beam 4 are fixedly connected with a fixing plate a6, a servo motor 7 fixed with the left wall of the support beam 4 is arranged above the middle part of the fixing plate a6 on the left side, the top surface of the middle part of the fixing plate a6 on the right side is provided with a seal box 8, a drill core mechanism 9 is arranged inside the seal box.

The invention provides a novel device for detecting concrete strength, which is characterized in that a core drilling device is movably connected with a supporting structure, the core drilling device can be adjusted in a multi-angle portable mode to increase the range of the application range, meanwhile, a water pressure adjusting assembly 11 is associated with a core drilling mechanism 9, the core drilling can be simultaneously cooled by water injection under the drive of a servo motor 7, and the kinetic energy transmission matching is realized by the engagement between gears between the water pressure adjusting assembly 11 and the core drilling mechanism 9, so that the core drilling speed is in direct proportion to the water injection amount, the resource saving is realized, and the working efficiency is increased.

The invention changes most of the existing core drilling structures, the core drilling mechanism 9 is realized by penetrating a lifting adjusting threaded rod through the supporting beam 4 and controlling the supporting beam 4 to lift, but the lifting adjusting mode limits the drilling direction of the drill bit, different equipment is needed for drilling on the wall surface and the ground surface, so the invention symmetrically arranges two screw rods 501 for lifting adjustment and installs the two screw rods in the supporting rod 2, and rotatably connects the sliding blocks 503 connected with the screw rods 501 by screw threads with the supporting beam 4, the lifting of the support beam 4 is controlled without affecting the angle adjustment of the support beam 4, and it should be noted that, when the base 1 is arranged, the base 1 is arranged into a hollow-square-shaped structure, the supporting rod 2 and the related mechanisms of the drill core are arranged on one side of the base 1, the reserved part of the base 1, can set up the stability that the balancing weight comes the increase equipment according to the atress that the angle problem of drilling led to.

The core drilling mechanism 9 is arranged around the support beam 4, the left side and the right side of the support beam 4 are additionally provided with the fixing plates A6 to serve as a bearing platform of the core drilling mechanism 9, the two fixing plates A6 are provided with the servo motor 7, and the core drilling mechanism 9 is arranged to balance the support beam 4, so that the control difficulty is reduced.

Example 2:

referring to fig. 3, the embodiment 1 is different from the above embodiments; lifting adjusting structure 5 includes two lead screws 501, and lead screw 501 is vertical direction and rotates and set up inside spout 3, and the no screw thread position in lead screw 501 top passes 2 top surfaces of bracing piece and rather than rotating and being connected, and lead screw 501 top has set firmly carousel 502.

The outer wall of the screw rod 501 is rotatably connected with a sliding block 503, the inner end of the sliding block 503 passes through the sliding groove 3 and extends to the outer side of the sliding block, and the inner end of the sliding block 503 is contacted with the outer wall of the supporting beam 4 and is rotatably connected with the supporting beam through a rotating rod.

The common lifting adjusting structure 5 on the market is applied to the concrete core drilling equipment, the structure of a fixed dead plate of the concrete core drilling equipment is changed, the core drilling mechanism 9 is not limited to lifting adjustment, the requirement of angle change is met, and the concrete core drilling equipment can be flexibly used in different scenes such as slope embankment surfaces, vertical walls and bottom surfaces.

The specific working principle of the lifting adjusting structure 5 is that two support rods 2 are symmetrically arranged on one side of a base 1, opposite surfaces of the two support rods 2 are provided with a sliding groove 3, a screw rod 501 is arranged in the sliding groove 3, the support rods 2 are not communicated up and down through the sliding groove 3, the screw rod 501 is arranged in the sliding groove 3, a non-threaded part at the bottom end penetrates into the support rods 2 and is required to be connected in a rotating mode, a rotating disc 502 is fixedly arranged above the support rods 2 after the non-threaded part at the top of the screw rod 501 penetrates out of the support rods 2, the screw rod 501 can rotate only by rotating the rotating disc 502, in addition, the screw rod 501 penetrates into the sliding groove 3, meanwhile, the upper threads of the screw rod 501 are connected with a sliding block 503, the sliding block 503 is left in the sliding groove 3, and one end of the sliding block 503 extends.

Example 3:

referring to FIGS. 4-5, the embodiment 1-2 is different therefrom; drill core mechanism 9 includes drill bit 901, drill bit 901 is that the bottom surface sets up in the fixed plate A6 below that is located the right side with the hollow structure of outside intercommunication, drill bit 901 bottom surface is the annular equidistant tooth's socket of having seted up, drill bit 901 top is rather than integrated into one piece's connecting rod, set up in drill bit 901's the connecting rod rather than the water delivery hole 902 of inside intercommunication, drill bit 901 top inner wall rotates for the position in the water delivery hole 902 outside and is connected with raceway A903, raceway A903 is close to the bottom position and has evenly seted up the wash port, raceway A903 bottom is connected with the sprinkler 904 that is the round platform type.

The connecting rod at the top end of the drill 901 penetrates through the fixing plate A6 on the right side and extends upwards to the inside of the sealing box 8, a thread groove 905 is formed in the outer wall of the connecting rod of the drill 901 relative to the position above the fixing plate A6 on the right side, a thread pipe 906 is connected to the outer wall of the connecting rod of the drill 901 in a threaded mode, a fixing seat 907 is arranged on the top face of the thread pipe 906, and the top end of the thread pipe 906 extends to the inside of the fixing.

The core drilling mechanism 9 further comprises a U-shaped fixing frame 908 arranged in an inverted manner, the U-shaped fixing frame 908 is arranged inside the sealing box 8 and opposite to the outer side of the threaded pipe 906, the top surface of the fixing base 907 is fixedly connected with the U-shaped fixing frame 908 through bolts, and connecting grooves which are the same as and communicated with the water delivery hole 902 in aperture are formed in the middle portions of the U-shaped fixing frame 908 and the fixing base 907.

Two gears A909 are sequentially sleeved on the outer wall of the threaded pipe 906, a chain 910 is sleeved on the outer wall of the gear A909 located below, a gear B701 is sleeved on the outer wall of an output shaft of the servo motor 7, the gear A909 and the gear B701 are meshed and connected through the chain 910, a rotating shaft 911 is arranged on the right side of the threaded pipe 906 in parallel, a gear C912 meshed with the gear A909 located above is sleeved on the outer wall of the rotating shaft 911, and the top end of the rotating shaft 911 extends upwards into the water pressure adjusting box 10 and is rotatably connected with the water pressure adjusting box.

The drill bit 901 is matched with the core drilling mechanism 9 in the same way as the existing core drilling equipment, wherein the outer wall bearing of the drill bit 901 and the length of a pipeline are designed according to the proportion of 1:1 during the design of the invention, the damage to concrete is reduced as much as possible while the drilling requirement is met, the top of the drill bit 901 is a connecting pipe with a smaller diameter, the drill bit 901 and the connecting pipe are integrally formed into a whole, but the outer side of the top end part of the connecting pipe is provided with a thread groove 905, in addition, the drill bit 901 is arranged in the middle of the top surface of a fixing plate A6 on the right side, and a small hole is reserved for the drill bit 901 by the fixing plate A6 and is used for installing.

And a sealing box 8 is arranged on the fixing plate A6, and some components of the core drilling mechanism 9 are arranged in the fixing plate A6, wherein the sealing box comprises a U-shaped fixing frame 908, a fixing seat 907 and a threaded pipe 906, the U-shaped fixing frame 908 is used for connecting and fixing the fixing seat 907, the top of the threaded pipe 906 is limited in the fixing seat 907 to realize rotary connection, the threaded pipe 906 is opposite to the fixing plate A6 and is reserved with a small hole, a drill bit 901 can be connected and fixed with the threaded pipe 906 in a threaded manner after being inserted into the small hole, two gears A909 are sequentially arranged on the outer wall of the threaded pipe 906, one gear A909 is meshed and connected with a gear B701 on the servo motor 7 through a chain 910, and after the servo motor 7 is connected with an external control power supply, the motor drives the threaded pipe 906 to rotate so as to.

Example 4:

referring to FIGS. 4 and 6, the embodiments 1-3 are different from each other; the water pressure adjusting assembly 11 comprises a rotating seat 1101, the rotating seat 1101 is arranged above a rotating shaft 911, the rotating shaft 911 extends upwards into the rotating seat 1101 and is in sliding connection with the rotating seat 1101, a spring 1102 connected with the bottom surface of the water pressure adjusting box 10 is fixedly arranged at the position, opposite to the outer side of the rotating shaft 911, of the bottom surface of the rotating seat 1101, a fixing plate B1103 is arranged at the position, opposite to the upper side of the rotating seat 1101, of the water pressure adjusting box 10, a limiting ring 1104 is arranged at the position between the bottom surface of the fixing plate B1103 and the rotating seat 1101, the top surface of one side of the limiting ring 1104 is in rotating connection with the bottom surface of the fixing plate B1103 through a connecting seat, a screw 1105 in a symmetrical structure with the connecting seat.

A piston rod 1106 is fixed on the top surface of the rotating seat 1101, the top surface of the piston rod 1106 penetrates through the limiting ring 1104 and the fixing plate B1103 to extend to the upper side of the piston rod 1106 and be in sliding connection with the piston rod, a piston tube 1107 is arranged at the top end of the piston rod 1106, a piston at the bottom end of the piston tube 1107 is connected and fixed with the piston rod 1106, a one-way water valve 1108 is arranged inside the piston rod 1106, one end of the piston tube 1107 is communicated with a water delivery pipe B1109 relative to the piston and the one-way water valve 1108, and.

The invention arranges a hydraulic pressure adjusting component 11 in a hydraulic pressure adjusting box 10, wherein the hydraulic pressure adjusting box 10 is arranged above a sealing box 8, a rotating shaft 911 is arranged in the sealing box 8, the rotating shaft 911 extends upwards into the hydraulic pressure adjusting box 10, and the rotating shaft 911 is sleeved with one gear C912 which is meshed with the gear A909, so that the rotating shaft 911 can be controlled to rotate when a servo motor 7 works so as to further realize the work of the hydraulic pressure adjusting component 11.

The water pressure adjusting assembly 11 comprises a rotating seat 1101, wherein the rotating seat is arranged on the bottom surface to form a limiting hole for a rotating shaft 911, the rotating shaft 911 extends into the hole and is clamped and limited, the rotating shaft 911 is limited to slide up and down, the rotating seat 1101 is driven to rotate synchronously while the rotating shaft 911 rotates, the other end of the rotating seat 1101 is connected with a piston rod 1106, a fixing plate B1103 is arranged above the rotating seat 1101, a connecting seat and a screw 1105 are symmetrically arranged on the bottom surface of the fixing plate B1103 by taking the rotating seat 1101 as a base point, a limiting ring 1104 is arranged in front of the fixing plate B1103 and the rotating seat 1101, one side of the limiting ring 1104 is rotatably connected with the connecting seat, the other end of the limiting ring 1104 is downwards extruded by the screw 1105, the screw 1105 is screwed on the fixing plate B1103, the length of the downward depth changes the inclination degree of the limiting ring, and the top surface of the rotating seat 1101 is abutted against the limiting ring 1104 through, the spring 1102 connected with the water pressure adjusting tank 10 is arranged on the bottom surface of the rotating seat 1101, so that in the process of inclining the limiting ring 1104, the rotating shaft 911 drives the rotating seat 1101 to rotate and simultaneously drives the rotating seat 1101 to reciprocate up and down, and the amplitude of the reciprocating motion can be adjusted through the screw 1105.

In the invention, a rotating seat 1101 drives a piston rod 1106 to move up and down, wherein a piston tube 1107 provided with a piston tube 1107 is arranged above a fixing plate B1103 and is communicated up and down, the bottom end of the piston tube is provided with a piston and connected with a plug rod 1106 to move up and down, the top end of the piston tube 1107 is provided with a one-way water valve 1108, the top end of the piston tube 1107 is connected with an external water source, the middle part of the piston tube 1107 is communicated with a water delivery pipe B1109, and the water delivery pipe B1109 is delivered downwards to the inside of a drill bit 901, concretely, the connecting rod of the drill bit 901 is provided with a water delivery hole 902 communicated with the inside of the connecting rod, the middle parts of a U-shaped fixing frame 908 and a fixing seat 907 are provided with connecting grooves which have the same aperture as the water delivery hole 902 and are communicated with the connecting groove, so that the water delivery pipe B1109 can flow into the inside of the drill bit 901 along the connecting groove, and the water can be diffused to the periphery after the water flows to the sprinkling plate 904 in a round table structure, so that the cooling efficiency is improved.

According to the invention, the servo motor 7 simultaneously drives the threaded pipe 906 to rotate to realize the drill bit 901, the rotating shaft 911 is realized according to the meshing connection of the gear A909 and the gear C912, the vertical reciprocating motion of the rotating seat 1101 and the piston rod 1106 is sequentially realized, the automatic water pumping effect is realized by changing the air pressure in the piston pipe 1107 and the water is injected into the drill bit 901, so that the rotating speed of the drill bit 901 is in direct proportion to the water injection efficiency, the efficient cooling effect of equipment is realized, the water pumping can be directly controlled by using the motor, and the use of a water pump is replaced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. A novel device for detecting concrete strength, includes base (1), its characterized in that: the base (1) is of a hollow square-shaped structure, two support rods (2) are fixedly arranged on the top surface of the right end of the base (1) in a front-back symmetrical structure, sliding chutes (3) communicated with the outside are formed in the inner ends of the support rods (2) along the vertical direction, a support beam (4) is arranged above the right end of the base (1) relative to the position between the two support rods (2), lifting adjusting structures (5) are arranged at the front end and the back end of the support beam (4), fixed plates A (6) are fixedly connected to the bottom ends of the left side and the right side of the support beam (4), a servo motor (7) fixed to the left wall of the support beam (4) is arranged above the middle of the fixed plate A (6) on the left side, a sealing box (8) is arranged on the top surface of the middle of the fixed plate A (6) on the right side, a drill core mechanism (9) is arranged, and a water pressure adjusting component (11) is arranged in the water pressure adjusting box (10).

2. The novel apparatus for testing concrete strength of claim 1, wherein: the lifting adjusting structure (5) comprises two screw rods (501), the screw rods (501) are vertically arranged inside the sliding groove (3) in a rotating mode, the top thread-free portion of the screw rods (501) penetrates through the top surface of the supporting rod (2) and is connected with the top surface of the supporting rod in a rotating mode, and the top end of the screw rods (501) is fixedly provided with a rotary table (502).

3. The novel apparatus for testing concrete strength according to claim 2, wherein: the outer wall of the screw rod (501) is rotatably connected with a sliding block (503), the inner end of the sliding block (503) penetrates through the sliding groove (3) and extends to the outer side of the sliding groove, and the inner end of the sliding block (503) is in contact with the outer wall of the supporting beam (4) and is rotatably connected with the supporting beam through a rotating rod.

4. A novel apparatus for testing concrete strength according to claim 3, characterized in that: the core drilling mechanism (9) comprises a drill bit (901), the drill bit (901) is arranged below a fixing plate A (6) on the right side in a hollow structure with the bottom surface communicated with the outside, the bottom surface of the drill bit (901) is annular and provided with tooth grooves at equal intervals, the top of the drill bit (901) is a connecting rod integrally formed with the drill bit (901), a water conveying hole (902) communicated with the inside of the connecting rod of the drill bit (901) is formed in the connecting rod of the drill bit (901), the inner wall of the top end of the drill bit (901) is rotatably connected with a water conveying pipe A (903) relative to the position outside the water conveying hole (902), drain holes are uniformly formed in the position, close to the bottom end, of the water conveying pipe A (903), and a circular table-.

5. The novel apparatus for testing concrete strength of claim 4, wherein: the drill bit (901) top connecting rod passes through a fixing plate A (6) on the right side and extends upwards to the inside of a sealing box (8), a thread groove (905) is formed in the position, above the fixing plate A (6) on the right side, of the outer wall of the connecting rod of the drill bit (901), a threaded pipe (906) is in threaded connection with the outer wall of the connecting rod of the drill bit (901), a fixing seat (907) is arranged on the top surface of the threaded pipe (906), and the top end of the threaded pipe (906) extends to the inside of the fixing seat (907) and is rotatably connected with the fixing.

6. The novel apparatus for testing concrete strength of claim 5, wherein: the core drilling mechanism (9) further comprises a U-shaped fixing frame (908) which is arranged in an inverted mode, the U-shaped fixing frame (908) is arranged on the outer side, opposite to the threaded pipe (906), of the inside of the sealing box (8), the top face of the fixing seat (907) is fixedly connected with the U-shaped fixing frame (908) through bolts, and connecting grooves which are identical to and communicated with the water conveying hole (902) in hole diameter are formed in the middle of the U-shaped fixing frame (908) and the middle of the fixing seat (907).

7. The novel apparatus for testing concrete strength of claim 6, wherein: two gears A (909) have been cup jointed in proper order on screwed pipe (906) outer wall, are located the below gear A (909) outer wall has cup jointed chain (910), servo motor (7) output shaft outer wall has cup jointed gear B (701), gear A (909) are connected through chain (910) meshing with gear B (701), screwed pipe (906) right side parallel is equipped with pivot (911), pivot (911) outer wall cup joint with be located gear A (909) meshing gear C (912) of top, pivot (911) top upwards extends to inside and rather than the rotation of water pressure regulating box (10) and is connected.

8. The novel apparatus of claim 7, wherein: the water pressure adjusting assembly (11) comprises a rotating seat (1101), the rotating seat (1101) is arranged above the rotating shaft (911), the rotating shaft (911) extends upwards to the inside of the rotating seat (1101) and is connected with the rotating seat in a sliding way, a spring (1102) connected with the bottom surface of the water pressure adjusting box (10) is fixedly arranged at the position of the bottom surface of the rotating seat (1101) relative to the outer side of the rotating shaft (911), a fixing plate B (1103) is arranged at the position of the water pressure adjusting box (10) above the rotating seat (1101), a limiting ring (1104) is arranged between the bottom surface of the fixing plate B (1103) and the rotating seat (1101), the top surface of one side of the limit ring (1104) is rotatably connected with the bottom surface of the fixing plate B (1103) through a connecting seat, the top surface of the other side of the limit ring (1104) is provided with a screw (1105) which is symmetrical with the connecting seat, the top surface of the screw (1105) extends above and is rotatably connected with the fixing plate B (1103).

9. The novel apparatus of claim 8, wherein: the water-saving type water-saving valve is characterized in that a piston rod (1106) is fixed to the top surface of the rotating seat (1101), the top surface of the piston rod (1106) penetrates through a limiting ring (1104) and a fixing plate B (1103) to extend to the upper portion of the piston rod and be in sliding connection with the limiting ring, a piston pipe (1107) is arranged at the top end of the piston rod (1106), a piston at the bottom end of the piston pipe (1107) is fixedly connected with the piston rod (1106), a one-way water valve (1108) is arranged inside the piston rod (1106), one end of the piston pipe (1107) is communicated with a water conveying pipe B (1109) relative to the piston and the one-way water valve (1108), and the.