CN213531894U

CN213531894U - Concrete sample core grinds flat-bed machine

Info

Publication number: CN213531894U
Application number: CN202022175370.2U
Authority: CN
Inventors: 刘洋; 刘鲲; 肖鹏; 倪崇南
Original assignee: Ruicheng Tianjin Construction Engineering Quality Inspection Co ltd
Current assignee: Ruicheng Tianjin Construction Engineering Quality Inspection Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-25
Anticipated expiration: 2030-09-29

Abstract

The utility model belongs to the technical field of concrete test equipment and specifically relates to a concrete appearance core grinds flat-bed machine is related to, which comprises a base, grind flat emery wheel, the hydraulic giant for the cooling and the elevating gear who is used for going up and down to grind flat emery wheel, the base level sets up, base bottom and ground fixed connection, the base top is provided with clamping device, clamping device includes the fixed plate, the fly leaf, adjusting screw and lock nut, fixed plate and base top fixed connection, fly leaf and base top sliding connection, adjusting screw one end and fixed plate fixed connection, the other end passes the fly leaf, fly leaf and adjusting screw sliding connection, lock nut sets up and keeps away from fixed plate one end at the fly leaf, lock nut and adjusting screw threaded connection, elevating gear sets up on the base top equally, elevating gear and grind flat emery wheel fixed connection. This application has the effect that has improved the flat-bed machine practicality of appearance core mill.

Description

Concrete sample core grinds flat-bed machine

Technical Field

The application relates to the field of concrete test equipment, in particular to a concrete sample core grinding machine.

Background

At present, concrete is an important building engineering material, when the concrete is used, laboratory analysis needs to be carried out on a cylindrical concrete sample core sometimes, and before the laboratory analysis, the end face of the sample core needs to be ground flat, so that a sample core grinding machine is produced.

Referring to fig. 1, the existing sample core 8 flat grinding machine includes a base 9, clamping plates 91, water flow nozzles 93 and grinding heads 92, the base 9 is horizontally arranged, the bottom end of the base 9 is fixedly connected with the ground, the clamping plates 91 are also horizontally arranged, the clamping plates 91 are symmetrically arranged in two numbers, the distance between the two clamping plates 91 is equal to the diameter of the sample core 8, the bottom ends of the two clamping plates 91 are fixedly connected with the top end of the base 9, the top end of the base 9 is provided with a telescopic device 94, one end of the telescopic device 94 is fixedly connected with the top end of the base 9, the grinding heads 92 are fixedly connected with the telescopic device 94, the water flow nozzles 93 are fixedly connected with the top end of the base 9, and the water. At first remove kind core 8, make kind core 8 be located between two grip blocks 91, two grip blocks 91 are close to one side each other and all with kind core 8 butt, open rivers shower nozzle 93, rivers shower nozzle 93 aims at kind core 8 terminal surface and sprays water, then starts bistrique 92, bistrique 92 begins to rotate, drives bistrique 92 through telescoping device 94 and is close to kind core 8 afterwards, bistrique 92 grinds the flat to the terminal surface of kind core 8.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the diameters of the sample cores have different sizes, the sample core grinding machine cannot fix sample cores with different diameters, and the practicality of the sample core grinding machine is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the practicality of appearance core mill flat-bed machine, this application provides a concrete appearance core mill flat-bed machine.

The application provides a concrete sample core grinds flat-bed machine adopts following technical scheme:

the utility model provides a concrete sample core grinds flat-bed machine, which comprises a base, grind flat emery wheel, the hydraulic giant for the cooling and be used for going up and down the elevating gear who grinds flat emery wheel, the base level sets up, base bottom and ground fixed connection, the base top is provided with clamping device, clamping device includes the fixed plate, the fly leaf, adjusting screw and lock nut, fixed plate and base top fixed connection, fly leaf and base top sliding connection, adjusting screw one end and fixed plate fixed connection, the other end passes the fly leaf, fly leaf and adjusting screw sliding connection, lock nut sets up and keeps away from fixed plate one end at the fly leaf, lock nut and adjusting screw threaded connection, elevating gear sets up on the base top equally, elevating gear and grinding flat emery wheel fixed connection.

By adopting the technical scheme, the sample core is moved firstly, the end face of the sample core is abutted against the bottom end of the base, the side wall of the sample core is abutted against the fixed plate, then the movable plate is moved and slides towards the direction close to the sample core along the adjusting screw until the movable plate is abutted against the sample core, then the locking nut is rotated to enable the locking nut to be in threaded connection with the adjusting screw, the locking nut limits the movable plate, the movable plate and the fixed plate clamp the sample core, then the grinding wheel and the cooling water gun are started, then the lifting device drives the grinding wheel to be close to the sample core, and the grinding wheel is used for carrying out novel grinding on the sample core, and in the process, the cooling water gun is used for continuously spraying water for cooling the grinding; through adjusting the position of fly leaf, make clamping device can the centre gripping the appearance core of different diameters to the purpose that has improved appearance core and has ground flat-bed machine practicality has been reached.

Preferably, be provided with the slip subassembly between fly leaf and the base top, the slip subassembly includes slider and spout, slider and fly leaf fixed connection, and the spout is seted up on the base top, slider and spout sliding connection.

Through adopting above-mentioned technical scheme, remove the fly leaf, make the fly leaf drive second slider slide along the spout slides, realized the sliding connection of fly leaf and base, improved the gliding convenience of fly leaf simultaneously.

Preferably, the second slider fixedly connected with stopper, the spacing groove has been seted up to the spout lateral wall, stopper and spacing groove sliding connection.

Through adopting above-mentioned technical scheme, remove the second slider, make the second slider drive the stopper and remove, the stopper slides along the spacing groove, stopper and spacing groove play limiting displacement, have improved fly leaf and base sliding connection's stability.

Preferably, the fixed plate and the movable plate are close to one end and are provided with mounting grooves, and the two mounting grooves penetrate through two ends of the fixed plate and the two ends of the movable plate respectively.

Through adopting above-mentioned technical scheme, remove the fly leaf, make the fly leaf be close to the appearance core, appearance core lateral wall both ends respectively with two mounting groove diapire butts, the mounting groove plays limiting displacement to the appearance core, has improved the stability of clamping device centre gripping appearance core.

Preferably, the locking nut is provided with a butterfly handle, and the butterfly handle is fixedly connected with the locking nut.

By adopting the technical scheme, the butterfly handle is rotated to drive the locking nut to be in threaded connection with the adjusting screw rod, the locking nut is abutted against the movable plate, and the locking nut has a limiting effect on the movable plate; the butterfly handle improves the convenience of rotating the locking nut.

Preferably, the lifting device comprises a stand column, a screw rod and a first sliding block, the stand column is of a hollow structure and is vertically arranged, the bottom end of the stand column is fixedly connected with the top end of the base, one end of the screw rod penetrates through the top end of the stand column and then is rotatably connected with the bottom end of the stand column, the screw rod is rotatably connected with the top end of the stand column in the same manner, and the first sliding block is in threaded connection with the screw rod.

Through adopting above-mentioned technical scheme, rotatory lead screw, the lead screw drives first slider and slides, and the gliding direction of first slider is relevant with the lead screw direction of rotation, has realized the lift of first slider through the rotation of lead screw, has improved elevating gear's convenience simultaneously.

Preferably, a connecting plate is arranged between the first sliding block and the grinding wheel, a lifting groove is formed in the side wall of the upright column, the lifting groove penetrates through the side wall of the upright column, one end of the connecting plate penetrates through the lifting groove and then is fixedly connected with the first sliding block, and the other end of the connecting plate is fixedly connected with the grinding wheel.

Through adopting above-mentioned technical scheme, because connecting plate one end and first slider fixed connection, the other end and the dull polish emery wheel fixed connection of grinding to having realized being connected between first slider and the dull polish emery wheel, rotatory lead screw, the lead screw drives first slider motion, and first slider drives the dull polish emery wheel motion, thereby has realized the lift of dull polish emery wheel, has guaranteed the normal work of appearance core trowelling machine.

Preferably, one end, far away from the base, of the screw rod is fixedly connected with a rotating wheel, and one end, far away from the screw rod, of the rotating wheel is fixedly connected with a handle column.

By adopting the technical scheme, the handle column is rotated, the handle column drives the rotating wheel to rotate, and the rotating wheel drives the screw rod to rotate; the setting of hand (hold) post has improved the convenience of rotatory lead screw.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the clamping device, the clamping device can clamp sample cores with different diameters, so that the purpose of improving the practicability of the sample core grinding machine is achieved;

2. by the arrangement of the mounting groove, the stability of the clamping device for clamping the sample core is improved;

3. through the arrangement of the stand column, the lead screw and the first sliding block, the first sliding block is lifted through the rotation of the lead screw, and the convenience of the lifting device is improved simultaneously

Drawings

Fig. 1 is a schematic structural view of the related art;

FIG. 2 is a schematic structural diagram of the present application;

FIG. 3 is a schematic view of the shield being attached to the ring plate;

FIG. 4 is an exploded view of the clamping device;

FIG. 5 is a cross-sectional view of the lifting device;

fig. 6 is an enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a work table; 11. a water tank; 2. a base; 21. a water gun for cooling; 3. grinding the grinding wheel; 31. a motor; 4. a clamping device; 41. a fixing plate; 411. mounting grooves; 42. a movable plate; 43. adjusting the screw rod; 44. locking the nut; 441. a butterfly handle; 5. a lifting device; 51. a column; 511. a lifting groove; 52. a screw rod; 521. a rotating wheel; 5211. a handle post; 53. a first slider; 531. a slide cylinder; 532. a connecting plate; 6. a protective cover; 61. a ring plate; 611. a water through hole; 62. opening and closing the door; 621. hinging a shaft; 622. a connecting assembly; 6221. a spring; 6222. hooking; 6223. hanging a ring; 623. a gasket; 624. a handle; 7. a sliding assembly; 71. a second slider; 711. a limiting block; 72. a chute; 721. a limiting groove; 8. a sample core; 9. a base; 91. a clamping plate; 92. grinding heads; 93. a water flow nozzle; 94. a telescopic device.

Detailed Description

The present application is described in further detail below with reference to figures 2-6.

The embodiment of the application discloses concrete sample core grinds flat-bed machine. Referring to fig. 2 and 3, a concrete appearance core grinds flat-bed machine includes workstation 1, base 2, grind flat emery wheel 3, elevating gear 5, clamping device 4, protection casing 6 and cooling are with squirt 21, workstation 1, base 2 and the equal level setting of grind flat emery wheel 3, 1 bottom of workstation and ground fixed connection, basin 11 has been seted up on 1 top of workstation, 1 bottom of workstation and 11 diapire fixed connection of basin, clamping device 4 and elevating gear 5 all set up on 2 tops of base, squirt 21 and 2 top fixed connection of base for the cooling, 8 terminal surfaces of appearance core are aimed at to squirt 21 for the cooling, grind flat emery wheel 3 and elevating gear 5 fixed connection, 6 covers of protection casing are established in elevating gear 5 and the 3 outsides of grinding flat emery wheel. Firstly, clamping sample cores 8 with different diameters by a clamping device 4, then starting a grinding wheel 3 and a cooling water gun 21, driving the grinding wheel 3 to be close to the core sample by a lifting device 5, and grinding the core sample by the grinding wheel 3 to be novel, wherein in the process, the cooling water gun 21 continuously sprays water for cooling the grinding wheel 3; through adjusting clamping device 4, make clamping device 4 can the centre gripping different diameters the appearance core 8 to reach the purpose that improves appearance core 8 mill flat-bed machine practicality.

Referring to fig. 4, the clamping device 4 includes a fixed plate 41, a movable plate 42, an adjusting screw 43 and a locking nut 44, the fixed plate 41 and the movable plate 42 are both vertically disposed, the bottom end of the fixed plate 41 is fixedly connected to the top end of the base 2, and the bottom end of the movable plate 42 is slidably connected to the top end of the base 2; a sliding assembly 7 is arranged between the bottom end of the movable plate 42 and the top end of the base 2, the sliding assembly 7 comprises a second sliding block 71 and a sliding groove 72, the second sliding block 71 is fixedly connected with the bottom end of the movable plate 42, the sliding groove 72 is formed in the top end of the base 2, and the second sliding block 71 is in sliding connection with the sliding groove 72; the second sliding block 71 is fixedly connected with a limiting block 711, a limiting groove 721 is formed in the side wall of the sliding groove 72, and the limiting block 711 is connected with the limiting groove 721 in a sliding manner; the fixed plate 41 and the movable plate 42 are close to one end each other and have all been seted up mounting groove 411, and two mounting grooves 411 run through the both ends of fixed plate 41 and movable plate 42 respectively, and two mounting grooves 411 all set up to the V type. The sample core 8 is moved to make the end surface of the sample core 8 abut against the bottom end of the base 2, the side wall of the sample core 8 abuts against the bottom wall of the mounting groove 411 of the fixing plate 41, then the movable plate 42 is moved, the movable plate 42 slides along the adjusting screw 43 toward the direction close to the sample core 8, the movable plate 42 drives the second slider 71 to slide along the sliding groove 72, and the second slider 71 drives the limiting block 711 to move until the bottom wall of the mounting groove 411 of the movable plate 42 abuts against the side wall of the sample core 8.

Referring to fig. 4, two adjusting screws 43 are provided, one end of each of the two adjusting screws 43 is fixedly connected to the fixed plate 41, the other end of each of the two adjusting screws 43 passes through the movable plate 42, and the movable plate 42 is slidably connected to the two adjusting screws 43; the number of the locking nuts 44 is two, the two locking nuts 44 are fixedly connected with a butterfly handle 441, the two locking nuts 44 are arranged at one end of the movable plate 42 far away from the fixed plate 41, and the two locking nuts 44 are respectively in threaded connection with the two adjusting screws 43. The butterfly handle 441 is rotated to drive the locking nut 44 to be in threaded connection with the adjusting screw 43 by the butterfly handle 441, the locking nut 44 abuts against the movable plate 42, and the movable plate 42 and the fixed plate 41 clamp the sample core 8.

Referring to fig. 5, the lifting device 5 includes a vertical column 51, a screw rod 52 and a first slider 53, the vertical column 51 is of a hollow structure, the vertical column 51 and the screw rod 52 are both vertically arranged, the bottom end of the vertical column 51 is fixedly connected with the top end of the base 2, the bottom end of the screw rod 52 penetrates through the top end of the vertical column 51 and then is rotatably connected with the bottom end of the vertical column 51, the screw rod 52 is also rotatably connected with the top end of the vertical column 51, the first slider 53 is in threaded connection with the screw rod 52, and the first slider; the side wall of the upright post 51 is provided with two lifting grooves 511, the two lifting grooves 511 both penetrate through the side wall of the upright post 51, the two lifting grooves 511 are symmetrical along the central line of the upright post 51, a sliding barrel 531 is sleeved outside the upright post 51, and the sliding barrel 531 penetrates through the two lifting grooves 511 and then is fixedly connected with the first sliding block 53; the side wall of the sliding cylinder 531 is connected with a connecting plate 532, the connecting plate 532 is vertically arranged, one side of the connecting plate 532 is fixedly connected with the sliding cylinder 531, the other side of the connecting plate 532 is fixedly connected with the grinding flat grinding wheel 3, the grinding flat grinding wheel 3 is vertically arranged, and the top end of the grinding flat grinding wheel 3 is fixedly connected with a motor 31; the top end of the screw rod is fixedly connected with a rotating wheel 521, one end, far away from the screw rod 52, of the rotating wheel 521 is provided with a handle column 5211, the handle column 5211 is vertically arranged, and the bottom end of the handle column 5211 is fixedly connected with the rotating wheel 521.

The handle column 5211 is rotated, the handle column 5211 drives the rotating wheel 521 to rotate, the rotating wheel 521 drives the screw rod 52 to rotate, the screw rod 52 drives the first sliding block 53 to slide along the direction close to the bottom end of the upright post 51, the first sliding block 53 drives the grinding wheel 3 to slide through the sliding cylinder 531 and the connecting plate 532, and the grinding wheel 3 is close to the sample core 8; after the grinding wheel 3 is finished, the handle column 5211 is rotated reversely, the handle column 5211 drives the rotating wheel 521 to rotate reversely, the rotating wheel 521 drives the screw rod 52 to rotate reversely, the screw rod 52 drives the first sliding block 53 to slide along the direction close to the top end of the upright post 51, the first sliding block 53 drives the grinding wheel 3 to slide through the sliding cylinder 531 and the connecting plate 532, and the grinding wheel 3 is far away from the sample core 8.

Referring to fig. 2 and 3, the protection casing 6 is vertically arranged, the protection casing 6 is of a structure with top and bottom openings, a ring plate 61 is arranged between the bottom end of the protection casing 6 and the side wall of the base 2, the ring plate 61 is horizontally arranged, the outer ring side wall of the ring plate 61 is fixedly connected with the protection casing 6, the inner ring side wall of the ring plate 61 is fixedly connected with the side wall of the base 2, a water through hole 611 is formed in the ring plate 61, the water through hole 611 is provided with a plurality of water through holes, the top end of the ring plate 61 is flush with the top end of the base 2, and. Rivers are from the squirt 21 blowout for the cooling, rivers and the terminal surface butt that grinds the level of appearance core 8, then some rivers are got rid of the 6 inside walls of protection casing, and another part rivers fall on 2 tops of base, and two parts rivers all pass behind the limbers 611 and get into in the basin 11.

Referring to fig. 2 and 6, an opening and closing door 62 is arranged on the side wall of the protective cover 6, the opening and closing door 62 is arranged, a hinge shaft 621 is arranged between one end of the opening and closing door 62 and the protective cover 6, and a connecting assembly 622 is arranged between the other end of the opening and closing door 62 and the protective cover 6; one end of the hinge shaft 621 is fixedly connected with the protective cover 6, and the other end is rotatably connected with the opening and closing door 62; the connecting assembly 622 comprises a spring 6221, a hook 6222 and a hanging ring 6223, one end of the spring 6221 is fixedly connected with the opening and closing door 62, the other end of the spring 6221 is fixedly connected with the hook 6222, the hanging ring 6223 is fixedly connected with the protective cover 6, and the hook 6222 is in hanging fit with the hanging ring 6223; a handle 624 is arranged at one end of the opening and closing door 62, which is far away from the cooling spray head, and the handle 624 is fixedly connected with the opening and closing door 62; the opening and closing door 62 is provided with a sealing gasket 623, and the sealing gasket 623 is fixedly connected with the side wall of the opening and closing door 62.

When the opening and closing door 62 needs to be opened, the spring 6221 is moved, the spring 6221 drives the hook 6222 to be away from the spring 6221, then the handle 624 is pulled, the handle 624 drives the opening and closing door 62 to rotate around the hinge shaft 621, and one end of the opening and closing door 62, which is away from the hinge shaft 621, is away from the protective cover 6; when the opening and closing door 62 needs to be closed, pushing force is applied to the handle 624, the handle 624 drives the opening and closing door 62 to rotate around the hinge shaft 621, one end, far away from the hinge shaft 621, of the opening and closing door 62 is close to the protective cover 6, the sealing gasket 623 is abutted to the protective cover 6, then the spring 6221 is moved, the spring 6221 drives the hook 6222 to be close to the hanging ring 6223, and the hook 6222 is hooked to the hanging ring 6223.

The implementation principle of concrete sample core mill flat-bed machine of the embodiment of this application is: firstly, the spring 6221 is moved, the spring 6221 drives the hook 6222 to be far away from the spring 6221, then, a pulling force is applied to the handle 624, the handle 624 drives the opening and closing door 62 to rotate around the hinge shaft 621, one end of the opening and closing door 62, which is far away from the hinge shaft 621, is far away from the protective cover 6, and a gap is exposed between the opening and closing door 62 and the protective cover 6; then, the sample core 8 is moved, the sample core 8 passes through a gap between the opening and closing door 62 and the protective cover 6, the sample core 8 is continuously moved, the end surface of the sample core 8 is abutted against the bottom end of the base 2, the side wall of the sample core 8 is abutted against the bottom wall of the mounting groove 411 of the fixed plate 41, then, the movable plate 42 is moved, the movable plate 42 slides towards the direction close to the sample core 8 along the adjusting screw 43, the movable plate 42 drives the second sliding block 71 to slide along the sliding groove 72, and the second sliding block 71 drives the limiting block 711 to move until the bottom wall of the mounting groove 411 of the movable plate 42; then, the butterfly handle 441 is rotated to enable the butterfly handle 441 to drive the locking nut 44 to be in threaded connection with the adjusting screw 43, the locking nut 44 is abutted against the movable plate 42, and the movable plate 42 and the fixed plate 41 clamp the sample core 8; then, a pushing force is applied to the handle 624, the handle 624 drives the opening and closing door 62 to rotate around the hinge shaft 621, one end of the opening and closing door 62 far away from the hinge shaft 621 is close to the shield 6, and the sealing pad 623 is abutted to the shield 6.

After the sample core 8 is fixed, starting the motor 31 and the cooling water gun 21, driving the grinding wheel 3 to rotate by the motor 31, aligning the cooling water gun 21 with the ground end surface of the sample core 8 to start water spraying, then rotating the handle column 5211, driving the rotating wheel 521 to rotate by the handle column 5211, driving the screw rod 52 to rotate by the rotating wheel 521, driving the first sliding block 53 to slide along the direction close to the bottom end of the upright post 51 by the screw rod 52, driving the grinding wheel 3 to slide by the first sliding block 53 through the sliding cylinder 531 and the connecting plate 532, enabling the grinding wheel 3 to be close to the sample core 8, and starting the grinding work of the sample core 8 by the grinding wheel 3; this in-process rivers are from the squirt 21 blowout for the cooling, and rivers and the terminal surface butt that grinds the level of appearance core 8, then some rivers are got rid of the 6 inside walls of protection casing, and another part rivers fall on 2 tops of base, and two parts rivers all pass behind the limbers 611 and enter into in the basin 11.

After the sample core 8 is ground by the grinding wheel 3, the motor 31 and the cooling water gun 21 are turned off, the grinding wheel 3 stops rotating, and the cooling water gun 21 stops spraying water; then, the handle column 5211 is rotated reversely, the handle column 5211 drives the rotating wheel 521 to rotate reversely, the rotating wheel 521 drives the screw rod 52 to rotate reversely, the screw rod 52 drives the first sliding block 53 to slide along the direction close to the top end of the upright post 51, the first sliding block 53 drives the grinding wheel 3 to slide through the sliding cylinder 531 and the connecting plate 532, and the grinding wheel 3 is far away from the sample core 8; then, the spring 6221 is moved, the spring 6221 drives the hook 6222 to be away from the spring 6221, then, a pulling force is applied to the handle 624, the handle 624 drives the opening and closing door 62 to rotate around the hinge shaft 621, and one end of the opening and closing door 62, which is away from the hinge shaft 621, is away from the protective cover 6; then the butterfly handle 441 is rotated to enable the butterfly handle 441 to drive the locking nut 44 to be far away from the movable plate 42, and then the movable plate 42 is moved away from the sample core 8; the sample core 8 is moved to penetrate through the opening and closing door 62, finally, pushing force is applied to the handle 624, the handle 624 drives the opening and closing door 62 to rotate around the hinge shaft 621, one end, far away from the hinge shaft 621, of the opening and closing door 62 is close to the protective cover 6, the sealing gasket 623 is abutted to the protective cover 6, then the spring 6221 is moved, the spring 6221 drives the hook 6222 to be close to the hanging ring 6223, and the hook 6222 is hooked to the hanging ring 6223.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concrete sample core grinds flat-bed machine which characterized in that: comprises a base (2), a grinding wheel (3), a water gun (21) for cooling and a lifting device (5) for lifting the grinding wheel (3), wherein the base (2) is horizontally arranged, the bottom end of the base (2) is fixedly connected with the ground, the top end of the base (2) is provided with a clamping device (4), the clamping device (4) comprises a fixed plate (41), a movable plate (42), an adjusting screw rod (43) and a locking nut (44), the fixed plate (41) is fixedly connected with the top end of the base (2), the movable plate (42) is slidably connected with the top end of the base (2), one end of the adjusting screw rod (43) is fixedly connected with the fixed plate (41), the other end of the adjusting screw rod passes through the movable plate (42), the movable plate (42) is slidably connected with the adjusting screw rod (43), the locking nut (44) is arranged at one end of the movable plate (42) far away from the fixed plate, the lifting device (5) is also arranged at the top end of the base (2), and the lifting device (5) is fixedly connected with the grinding wheel (3).

2. The concrete sample core mill leveling machine according to claim 1, wherein: be provided with between fly leaf (42) and base (2) top sliding component (7), sliding component (7) include second slider (71) and spout (72), and second slider (71) and fly leaf (42) fixed connection, and spout (72) are seted up on base (2) top, and second slider (71) and spout (72) sliding connection.

3. The concrete sample core mill leveling machine according to claim 2, wherein: the second sliding block (71) is fixedly connected with a limiting block (711), a limiting groove (721) is formed in the side wall of the sliding groove (72), and the limiting block (711) is connected with the limiting groove (721) in a sliding mode.

4. The concrete sample core mill leveling machine according to claim 1, wherein: the fixing plate (41) and the movable plate (42) are close to one end and are provided with mounting grooves (411), and the two mounting grooves (411) penetrate through two ends of the fixing plate (41) and the two ends of the movable plate (42) respectively.

5. The concrete sample core mill leveling machine according to claim 1, wherein: the butterfly handle (441) is arranged on the locking nut (44), and the butterfly handle (441) is fixedly connected with the locking nut (44).

6. The concrete sample core mill leveling machine according to claim 1, wherein: elevating gear (5) are including stand (51), lead screw (52) and first slider (53), and stand (51) are hollow structure, and stand (51) vertical setting, stand (51) bottom and base (2) top fixed connection, lead screw (52) one end pass stand (51) top back and be connected with stand (51) bottom rotation, lead screw (52) and stand (51) top rotate the same and be connected, first slider (53) and lead screw (52) threaded connection.

7. The concrete sample core mill leveling machine according to claim 6, wherein: be provided with connecting plate (532) between first slider (53) and the emery wheel of grinding to level (3), lifting groove (511) have been seted up to stand (51) lateral wall, and lifting groove (511) run through stand (51) lateral wall, and connecting plate (532) one end is passed behind lifting groove (511) and is fixed connection with first slider (53), the other end and grind the emery wheel (3) fixed connection.

8. The concrete sample core mill leveling machine according to claim 6, wherein: one end, far away from the base (2), of the screw rod (52) is fixedly connected with a rotating wheel (521), and one end, far away from the screw rod (52), of the rotating wheel (521) is fixedly connected with a handle column (5211).