CN111390731B

CN111390731B - Reinforcing bar surface rust cleaning device with adjustable building field is used

Info

Publication number: CN111390731B
Application number: CN202010222247.3A
Authority: CN
Inventors: 李书艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-10-23
Anticipated expiration: 2040-03-26
Also published as: CN111390731A

Abstract

The utility model provides a reinforcing bar surface rust cleaning device with adjustable for building field, including four supporting legs all around, evenly distributed, through workstation fixed connection between four supporting leg tops, workstation top surface middle part is close to the riser of two bilateral symmetry distributions of place ahead department fixed mounting, the inboard fixed mounting of riser two longitudinal symmetry distributions and the relative electric telescopic handle of expansion end, be equipped with two longitudinal symmetry distribution's cross axle between two riser inboards, the cross axle is located the electric telescopic handle inboard, two mount pads of bearing installation on the cross axle, mount pad and electric telescopic handle one-to-one. The rust remover can be adjusted according to the diameter of the steel bar to be processed, so that the aim of removing rust on the steel bar to be processed with different diameters is fulfilled, and the rust remover is high in applicability; simultaneously with treat that the processing reinforcing bar assorted double-phase semi-ring type grinds the board and treats the processing reinforcing bar jointly and polish the rust cleaning, and then can ensure to treat the processing reinforcing bar outside and carry out comprehensive rust cleaning, the rust cleaning is effectual.

Description

Reinforcing bar surface rust cleaning device with adjustable building field is used

Technical Field

The invention relates to a rust removing device, in particular to an adjustable steel bar surface rust removing device for the field of buildings.

Background

The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and can also be said to be the process of changing various lines on the design drawing into a real object in a designated place, and rust removal needs to be carried out on rusty reinforcing steel bars in the construction process; the existing rust removal device is inconvenient to move, cannot be adjusted according to the thickness of a steel bar, is poor in applicability, and has a poor rust removal effect and the working efficiency of a user is affected although the existing rust removal device can play a certain rust removal role.

Disclosure of Invention

The invention aims to provide an adjustable steel bar surface rust removing device for the field of buildings, and aims to solve the problems that in the prior art, the adjustment cannot be carried out according to the thickness of a steel bar, the applicability is poor, and the rust removing effect is poor.

The invention is realized by the following technical scheme:

an adjustable steel bar surface rust removing device for the building field comprises four supporting legs which are uniformly distributed front and back, left and right, the top ends of the four supporting legs are fixedly connected through a workbench, two vertical plates which are symmetrically distributed left and right are fixedly arranged at the middle part of the top surface of the workbench, the middle part of the top surface of the workbench is close to the front part, two electric telescopic rods which are symmetrically distributed up and down and the movable ends of which are opposite are fixedly arranged at the inner sides of the vertical plates, two transverse shafts which are symmetrically distributed up and down are arranged between the inner sides of the two vertical plates, two mounting seats are arranged on the transverse shafts, the mounting seats correspond to the electric telescopic rods one by one, the outer parts of the mounting seats are fixedly connected with the movable ends of the corresponding electric telescopic rods, driving rollers are fixedly arranged on the transverse shafts, the driving rollers are arranged at the inner sides of the mounting seats, the transverse shaft can move up and down along the through groove, a vertical first telescopic shaft is fixedly arranged on one side of the top surface of the workbench, a supporting plate is fixedly arranged at the top end of the first telescopic shaft, a first motor is fixedly arranged on the top surface of the supporting plate, the output end of the first motor is fixedly connected with one end of the transverse shaft positioned below, transverse plates distributed front and back are fixedly arranged on the top surface of the workbench, the transverse plates are higher than the vertical plates, the transverse plates are positioned on the outer sides of the vertical plates, through holes are formed in the middle parts of the outer sides of the transverse plates, the through holes and the steel bars to be processed are positioned on the same central line, the steel bars to be processed can pass through the through holes, a second motor is fixedly arranged at the position close to the upper part of the middle part of the inner side of the transverse plate positioned in front, a vertical worm is, the driving gear is positioned behind the worm gear, the worm gear is matched with the worm, the left side and the right side of the through hole are respectively provided with a longitudinal rotating shaft, the axis of the rotating shaft and the center of the through hole are positioned on the same horizontal line, the front end of the rotating shaft is connected with the inner side of the corresponding transverse plate through a bearing, a large gear is fixedly arranged on the rotating shaft and is in meshed transmission with the driving gear, the inner side and the outer side of the transverse plate positioned at the rear are respectively fixedly provided with a disc, the two discs are in staggered symmetrical distribution, the discs are in one-to-one correspondence with the rotating shafts, the discs and the corresponding rotating shafts are positioned on the same central line, the rear end of the rotating shaft positioned at the left side penetrates through the corresponding disc and is connected with the inner side of the corresponding transverse plate through a bearing, the rear end of the rotating shaft positioned at, wherein the left internal thread bushing is positioned at the inner side of the transverse plate, the left internal thread bushing is positioned at the outer side of the transverse plate, the number of the internal thread bushings is one more than that of the annular racks, the internal thread bushings are internally provided with screw rods which are in threaded fit with the corresponding internal thread bushings, the outer ends of the screw rods are respectively fixedly provided with semi-annular polishing plates with different diameters, the semi-annular polishing plates positioned at the left side and the right side are in staggered symmetrical distribution, except the screw rods for mounting the semi-annular polishing plates with the largest size, pinion gears are fixedly installed on the rest screw rods respectively, two adjacent pinion gears located on the same rotating shaft are distributed in a staggered mode, the pinion gears correspond to the annular racks one to one, the pinion gears are in meshed transmission with the corresponding annular racks, a transverse through groove is formed in the left side of the top surface of the workbench, the left side of the transverse through groove is provided with an opening, the transverse through groove is located right below the left side semi-annular polishing plate, and the left side semi-annular polishing plate can rotate in the transverse through groove.

As above a reinforcing bar surface rust cleaning device with adjustable for building field, supporting leg bottom surface middle part set up the recess, the perpendicular groove is seted up respectively to the left and right sides in the recess, it communicates with each other with the supporting leg outside to erect the tank bottom, it is equipped with the slider respectively to erect the inslot, the slider can be followed the perpendicular groove that corresponds and removed, through first spring coupling between slider top surface and the perpendicular inslot top surface that corresponds, be equipped with the wheel pole in the recess, the wheel pole below is located the recess outside, through connecting rod fixed connection between wheel pole and the slider opposite side, the vertical second telescopic shaft of wheel pole top surface fixed mounting, second telescopic shaft top fixed connection recess top surface, second telescopic shaft periphery fixed mounting second spring, wheel pole below fixed mounting gyro wheel.

As the steel bar surface rust removal device with the adjustable is used in the field of buildings, the bottom end of the vertical groove is fixedly provided with the limiting block.

As above, the adjustable steel bar surface rust removing device for the building field is characterized in that the left side and the right side of a supporting leg are respectively and fixedly connected with one end of a rotating pin, a bearing at the other end of the rotating pin is provided with a vertical mounting plate, the bottom end of the mounting plate is fixedly provided with a supporting leg, the bottom surface of the supporting leg is provided with a magnet, and the bottom surface of the supporting leg can be in magnetic fit with the bottom surface of a workbench.

As the steel bar surface rust removal device with the adjustable is used in the field of buildings, friction grains are formed in the inner side of the semi-annular grinding plate.

As to the steel bar surface rust cleaning device with the adjustable for the building field, the periphery of the first telescopic shaft is sleeved with the third spring.

As the adjustable steel bar surface rust removal device for the building field, the periphery of the transmission roller is in a spindle shape, and the transmission roller is narrow in the middle and wide in two ends.

According to the adjustable steel bar surface rust removing device for the building field, the upper bearing of the worm is provided with the two guide sleeves which are distributed up and down symmetrically, and the front sides of the guide sleeves are fixedly connected with the inner sides of the corresponding transverse plates.

The invention has the advantages that: the rust remover can be adjusted according to the diameter of the steel bar to be processed, so that the aim of removing rust on the steel bar to be processed with different diameters is fulfilled, and the rust remover is high in applicability; simultaneously with treat that the processing reinforcing bar assorted double-phase semi-ring type grinds the board and treats the processing reinforcing bar jointly and polish the rust cleaning, and then can ensure to treat the processing reinforcing bar outside and carry out comprehensive rust cleaning, the rust cleaning is effectual.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a rear view of FIG. 1; FIG. 3 is a top view of FIG. 1; FIG. 4 is a schematic view of the cross plate configuration at the front side; fig. 5 is an enlarged view of part I of fig. 1.

Reference numerals: 1 supporting leg, 2 working tables, 3 vertical plates, 4 electric telescopic rods, 5 transverse shafts, 6 mounting seats, 7 transmission rollers, 8 steel bars to be processed, 9 through grooves, 10 first telescopic shafts, 11 supporting plates, 12 first motors, 13 transverse plates, 14 through holes, 15 second motors, 16 worms, 17 longitudinal rotating shafts, 18 worm gears, 19 rotating shafts, 20 large gears, 21 discs, 22 annular racks, 23 internal thread sleeves, 24 screw rods, 25 semi-annular grinding plates, 26 small gears, 27 transverse through grooves, 28 grooves, 29 vertical grooves, 30 sliding blocks, 31 first springs, 32 wheel rods, 33 connecting rods, 34 second telescopic shafts, 35 second springs, 36 idler wheels, 37 limiting blocks, 38 transmission pins, 39 mounting plates, 40 supporting legs, 41 third springs and 42 guide sleeves.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

As shown in figures 1-5, comprising four supporting legs 1 which are uniformly distributed front and back, left and right, the top ends of the four supporting legs 1 are fixedly connected through a workbench 2, two vertical plates 3 which are symmetrically distributed left and right are fixedly arranged at the middle part of the top surface of the workbench 2 near the front, two electric telescopic rods 4 which are symmetrically distributed up and down and have opposite movable ends are fixedly arranged at the inner sides of the vertical plates 3, two transverse shafts 5 which are symmetrically distributed up and down are arranged between the inner sides of the two vertical plates 3, the transverse shafts 5 are positioned at the inner sides of the electric telescopic rods 4, two mounting seats 6 are arranged on the transverse shafts 5 in a bearing mode, the mounting seats 6 are in one-to-one correspondence with the electric telescopic rods 4, the outer parts of the mounting seats 6 are fixedly connected with the corresponding movable ends of the electric telescopic rods 4, transmission rollers 7 are fixedly arranged on the transverse shafts 5, the, the left end and the right end of a cross shaft 5 are respectively inserted into corresponding through grooves 9, the cross shaft 5 can move up and down along the through grooves 9, a vertical first telescopic shaft 10 is fixedly arranged on one side of the top surface of a workbench 2, a supporting plate 11 is fixedly arranged at the top end of the first telescopic shaft 10, a first motor 12 is fixedly arranged on the top surface of the supporting plate 11, the output end of the first motor 12 is fixedly connected with one end of the cross shaft 5 positioned below, transverse plates 13 which are distributed front and back are fixedly arranged on the top surface of the workbench 2, the transverse plates 13 are higher than vertical plates 3, the transverse plates 13 are positioned on the outer sides of the vertical plates 3, a through hole 14 is formed in the middle part of the outer sides of the transverse plates 13, the through hole 14 and a steel bar 8 to be processed are positioned on the same central line, the steel bar 8 to be processed can pass through the through hole 14, a second motor 15 is fixedly, the front end of a longitudinal rotating shaft 17 is connected with the inner side of a corresponding transverse plate 13 through a bearing, a worm gear 18 and a driving gear are fixedly arranged on the longitudinal rotating shaft 17, the driving gear is positioned at the rear part of the worm gear 18, the worm gear 18 is matched with a worm 16, the left side and the right side of a through hole 14 are respectively provided with a longitudinal rotating shaft 19, the axes of the rotating shafts 19 and the circle center of the through hole 14 are positioned on the same horizontal line, the front end of each rotating shaft 19 is connected with the inner side of the corresponding transverse plate 13 through a bearing, a large gear 20 is fixedly arranged on each rotating shaft 19, the large gear 20 is in meshing transmission with the driving gear, the inner side and the outer side of the transverse plate 13 positioned at the rear part are respectively and fixedly provided with discs 21, the two discs 21 are in staggered and symmetrical distribution, the discs 21 are in one-to, the rear end of a rotating shaft 19 positioned on the right side penetrates through a corresponding disc 21 and a transverse plate 13 and is positioned outside, a plurality of uniformly distributed and concentric annular racks 22 are fixedly arranged on the inner side of the left-end disc 21 and the outer side of the right-end disc 21 respectively, a plurality of uniformly distributed internal thread sleeves 23 are fixedly arranged on the outer periphery of the rotating shaft 19, wherein the left-side internal thread sleeve 23 is positioned on the inner side of the transverse plate 13, the number of the internal thread sleeves 23 is one more than that of the annular racks 22, a screw 24 is arranged in the internal thread sleeve 23, the screw 24 is in threaded fit with the corresponding internal thread sleeve 23, the outer ends of the plurality of screws 24 are respectively and fixedly provided with semi-annular polishing plates 25 with different diameters, the semi-annular polishing plates 25 positioned on the left side and the right side are staggered and symmetrically distributed, and pinions 26 are respectively and fixedly arranged on the other screws 24, two adjacent pinions 26 on the same rotating shaft 19 are distributed in a staggered mode, the pinions 26 correspond to the annular racks 22 one by one, the pinions 26 are in meshing transmission with the corresponding annular racks 22, the left side of the top surface of the workbench 2 is provided with a transverse through groove 27, the left side of the transverse through groove 27 is opened, the transverse through groove 27 is located under the left semi-annular polishing plate 25, and the left semi-annular polishing plate 25 can rotate in the transverse through groove 27. When the utility model is used, firstly, the semi-ring-shaped grinding plate 25 corresponding to the steel bar 8 to be processed is selected according to the diameter of the steel bar, and the corresponding semi-ring-shaped grinding plate 25 is rotated to the inner side position in the horizontal direction, the specific operation is that the second motor 15 is started, the second motor 15 drives the worm 16 to rotate, the worm 16 is simultaneously matched with the two worm gears 18, the two worm gears 18 reversely rotate, the worm gears 18 drive the corresponding longitudinal rotating shafts 17 to rotate, the longitudinal rotating shafts 17 drive the corresponding driving gears to rotate, the two driving gears reversely rotate, the driving gears are meshed with the corresponding large gears 20 to transmit, the two large gears 20 reversely rotate, the large gears 20 drive the corresponding rotating shafts 19 to rotate, the two rotating shafts 19 reversely rotate, the rotating shafts 19 drive the corresponding internal thread sleeve 23, the corresponding screw rod 24 and the semi-ring-shaped grinding plate 25 on the left side and the right side to rotate in a staggered symmetrical distribution and in, therefore, the two corresponding semi-annular polishing plates 25 gradually approach, the pinions 26 on the screws 24 are meshed with the corresponding annular racks 22 for transmission while the screws 24 rotate along the rotating shafts 19, the pinions 26 drive the corresponding screws to rotate, the internally threaded sleeves 23 are in threaded fit with the corresponding screws 24, and the internally threaded sleeves 23 are fixedly mounted on the corresponding rotating shafts 19, so that the screws 24 move outwards along the corresponding internally threaded sleeves 23 while rotating, the screws 24 move outwards along the corresponding internally threaded sleeves 23 while driving the corresponding semi-annular polishing plates 25 and the pinions 26 to move outwards, the pinions 26 gradually mesh with the other annular racks 22 except the annular rack 22 which is meshed with the steel bar 8 to be processed while moving outwards along the corresponding screws 24, so as to ensure that the screws 24 can gradually move outwards along the corresponding internally threaded sleeves 23, when the semi-annular polishing plates 25 matched with the steel bar 8 to be processed rotate to the innermost horizontal side, the two corresponding semi-ring type grinding plates 25 matched with the steel bar 8 to be processed can be ensured to be overlapped in a staggered way; after the operation is finished, the rear end of the steel bar 8 to be processed sequentially passes through the front through hole 14 and the rear through hole 14 to be inserted between the two corresponding semi-ring type grinding plates 25, at the moment, the periphery of the steel bar 8 to be processed is attached to the inner sides of the corresponding semi-ring type grinding plates 25, then the four electric telescopic rods 4 are controlled to simultaneously extend or contract, the two electric telescopic rods 4 at the same height jointly act to drive the corresponding transverse shaft 5 to correspondingly move downwards or upwards along the through groove 8, the transverse shaft 5 drives the corresponding driving roller 7 to move downwards or upwards, the transverse shaft 5 at the lower part moves to drive the first motor 12 to correspondingly move, the first telescopic shaft 10 correspondingly extends or contracts while the first motor 12 moves, when the two driving rollers 7 reversely move to be in contact with the steel bar 8 to be processed, the four electric telescopic rods 4 are controlled to simultaneously stop extending or contracting, and simultaneously, the first motor 12 is started, the first motor 12 drives the corresponding transmission roller 7 positioned below to rotate, the transmission roller 7 positioned above is matched to realize the transmission of the steel bar 8 to be processed, and the periphery of the steel bar 8 to be processed is contacted with the inner side of the semi-ring type grinding plate 25 in the transmission process to carry out rust removal work; the utility model can be adjusted according to the diameter of the steel bar 8 to be processed, thereby achieving the purpose of removing rust on the steel bar 8 to be processed with different diameters, and having strong applicability; simultaneously with treat that processing reinforcing bar 8 assorted double-phase semi-ring type polish-off plate 25 that corresponds treats processing reinforcing bar 8 jointly and polish the rust cleaning, and then can ensure to treat and carry out comprehensive rust cleaning in the reinforcing bar 8 outside of processing, the rust cleaning is effectual.

Specifically, recess 28 is seted up in the middle part of supporting leg 1 bottom surface described in this embodiment, perpendicular groove 29 is seted up respectively to the left and right sides in the recess 28, it communicates with each other with supporting leg 1 outside to erect the bottom of groove 29, be equipped with slider 30 respectively in the perpendicular groove 29, slider 30 can move along corresponding perpendicular groove 29, be connected through first spring 31 between slider 30 top surface and the interior top surface of corresponding perpendicular groove 29, be equipped with wheel pole 32 in the recess 28, wheel pole 32 below is located the recess 28 outside, pass through connecting rod 33 fixed connection between wheel pole 32 and the slider 30 opposite side, vertical second telescopic shaft 34 of wheel pole 32 top surface fixed mounting, second telescopic shaft 34 top fixed connection recess 28 top surface, second telescopic shaft 34 periphery fixed mounting second spring 35, wheel pole 32 below fixed mounting gyro wheel 36. The device can be moved conveniently by arranging the roller 36; first spring 31 and suit can play the absorbing effect on the second spring 35 on second telescopic shaft 34 in the removal process simultaneously, and then can avoid this device to take place violently jolt and lead to its internal member not hard up even damage.

Specifically, the bottom end of the vertical slot 29 described in this embodiment is fixedly installed with a limiting block 37. The limiting block 37 can prevent the connecting rod 33 from moving out of the groove 28, and further prevent the roller 36 from being blocked.

Further, in this embodiment, the left and right sides of the supporting leg 1 are respectively and fixedly connected with one end of a rotating pin 38, a bearing at the other end of the rotating pin 38 is provided with a vertical mounting plate 39, a supporting leg 40 is fixedly mounted at the bottom end of the mounting plate 39, a magnet is arranged on the bottom surface of the supporting leg 40, and the bottom surface of the supporting leg 40 can be magnetically matched with the bottom surface of the workbench 2. When the device needs to be moved, the rotating pin 38 is rotated to separate the supporting leg 40 from the ground, so that the bottom surface of the supporting leg 40 can be magnetically matched with the bottom surface of the workbench 2; after the device is moved to a designated position, the rotating pin 38 is rotated to rotate the supporting foot 40 to the ground for supporting; just can realize opening through above-mentioned operation and stop the effect, reasonable in design, convenient to use.

Further, friction lines are formed on the inner side of the semi-annular polishing plate 25 in the embodiment. Friction lines are arranged on the inner side of the semi-annular polishing plate 25, so that when the steel bars 8 to be processed pass through, the semi-annular polishing plate 25 can completely and thoroughly remove rust on the surface of the steel bars 8 to be processed, and the rust removing effect is greatly improved.

Further, a third spring 41 is sleeved on the outer periphery of the first telescopic shaft 10 in this embodiment. Through setting up third spring 41 can play absorbing effect, and then can avoid receiving when first motor 12 reciprocates to assault and lead to the inner member to damage.

Further, the periphery of the driving roller 7 described in this embodiment is spindle-shaped, that is, the middle of the driving roller 7 is narrow and both ends are wide. The periphery of the driving roller 7 is set to be in a spindle shape, so that the periphery of the steel bar to be processed 8 can be attached to the periphery of the driving roller 7, and the phenomenon that the steel bar to be processed 8 slips in the transmission process to influence the derusting effect can be avoided.

Further, two guide sleeves 42 which are distributed vertically and symmetrically are mounted on the worm 16 in the embodiment in a bearing manner, and the front sides of the guide sleeves 42 are fixedly connected with the inner sides of the corresponding transverse plates 13. The guide sleeve 42 can play a role in guiding and supporting, and further can enable the rotation of the worm 16 to be more stable.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a reinforcing bar surface rust cleaning device with adjustable for the building field which characterized in that: comprises four supporting legs (1) which are uniformly distributed all around, the top ends of the four supporting legs (1) are fixedly connected through a workbench (2), two vertical plates (3) which are symmetrically distributed at the left and right sides are fixedly arranged at the middle part of the top surface of the workbench (2) near the front part, two electric telescopic rods (4) which are symmetrically distributed at the upper and lower sides and have opposite movable ends are fixedly arranged at the inner sides of the vertical plates (3), two transverse shafts (5) which are symmetrically distributed at the upper and lower sides are arranged between the inner sides of the two vertical plates (3), the transverse shafts (5) are positioned at the inner sides of the electric telescopic rods (4), two mounting seats (6) are arranged on the transverse shafts (5) in a bearing way, the mounting seats (6) correspond to the electric telescopic rods (4) one by one to one, the outer parts of the mounting seats (6) are fixedly connected with the corresponding movable ends of the electric telescopic, a steel bar (8) to be processed is arranged between the two driving rollers (7), a vertical through groove (9) is formed in the middle of the inner side of the vertical plate (3), the left end and the right end of the cross shaft (5) are respectively inserted into the corresponding through grooves (9), the cross shaft (5) can move up and down along the through grooves (9), a vertical first telescopic shaft (10) is fixedly installed on one side of the top surface of the workbench (2), a supporting plate (11) is fixedly installed at the top end of the first telescopic shaft (10), a first motor (12) is fixedly installed on the top surface of the supporting plate (11), the output end of the first motor (12) is fixedly connected with one end of the cross shaft (5) below, transverse plates (13) which are distributed in the front and back are fixedly installed on the top surface of the workbench (2), the transverse plates (13) are higher than the vertical plate (3), the transverse plates (13) are positioned on the outer side of the vertical plate (3), a through hole (, a steel bar (8) to be processed can pass through the through hole (14), a second motor (15) is fixedly arranged at the position close to the upper part of the middle part of the inner side of the front transverse plate (13), a vertical worm (16) is fixedly arranged at the output end of the second motor (15), longitudinal rotating shafts (17) are respectively arranged at the left side and the right side of the worm (16), the front end of each longitudinal rotating shaft (17) is connected with the inner side of the corresponding transverse plate (13) through a bearing, a worm wheel (18) and a driving gear are fixedly arranged on each longitudinal rotating shaft (17), the driving gear is positioned behind the worm wheel (18), the worm wheel (18) is matched with the worm (16), longitudinal rotating shafts (19) are respectively arranged at the left side and the right side of the through hole (14), the axle center of each rotating shaft (19) and the circle center of the through hole (14) are positioned on the same horizontal line, the front end, the large gear (20) is in meshed transmission with the driving gear, discs (21) are fixedly arranged on the inner side and the outer side of a transverse plate (13) positioned behind the large gear, the two discs (21) are distributed in a staggered and symmetrical mode, the discs (21) correspond to rotating shafts (19) one by one, the discs (21) and the corresponding rotating shafts (19) are positioned on the same central line, the rear end of the rotating shaft (19) positioned on the left side penetrates through the corresponding discs (21) and the inner sides of the corresponding transverse plates (13) to be connected through a bearing, the rear end of the rotating shaft (19) positioned on the right side penetrates through the corresponding discs (21) and the transverse plates (13) to be positioned outside, a plurality of uniformly distributed and concentric annular racks (22) are fixedly arranged on the inner sides of the discs (21) at the left end and the outer sides of the discs (21) at the right end respectively, a plurality of uniformly distributed internal thread sleeves (, the left inner thread bushing (23) is positioned on the outer side of the transverse plate (13), the number of the inner thread bushings (23) is one more than that of the annular racks (22), screw rods (24) are arranged in the inner thread bushings (23), the screw rods (24) are in thread fit with the corresponding inner thread bushings (23), semi-annular grinding plates (25) with different diameters are fixedly arranged at the outer ends of the screw rods (24) respectively, the semi-annular grinding plates (25) positioned on the left side and the right side are in staggered symmetrical distribution, pinions (26) are fixedly arranged on the other screw rods (24) except the screw rods (24) for mounting the semi-annular grinding plate (25) with the maximum size respectively, two adjacent pinions (26) positioned on the same rotating shaft (19) are in staggered distribution, the pinions (26) are in one-to-one correspondence with the annular racks (22), the pinions (26) are in meshing transmission with the corresponding annular racks (22), and a transverse through groove (27) is formed in the, the left side of the transverse through groove (27) is opened, the transverse through groove (27) is positioned under the left semi-annular polishing plate (25), and the left semi-annular polishing plate (25) can rotate in the transverse through groove (27).

2. The adjustable steel bar surface rust removing device for the construction field as claimed in claim 1, wherein: supporting leg (1) bottom surface middle part set up recess (28), perpendicular groove (29) are seted up respectively to the left and right sides in recess (28), it communicates with each other with supporting leg (1) outside to erect groove (29) bottom, be equipped with slider (30) in perpendicular groove (29) respectively, slider (30) can be followed corresponding perpendicular groove (29) and removed, be connected through first spring (31) between slider (30) top surface and the interior top surface of corresponding perpendicular groove (29), be equipped with round pole (32) in recess (28), round pole (32) below is located the recess (28) outside, pass through connecting rod (33) fixed connection between round pole (32) and the slider (30) opposite side, round pole (32) top surface fixed mounting vertical second telescopic shaft (34), second telescopic shaft (34) top fixed connection recess (28) top surface, second telescopic shaft (34) periphery fixed mounting second spring (35), round pole (32) below fixed mounting gyro wheel (36).

3. The adjustable steel bar surface rust removing device for the construction field as claimed in claim 2, wherein: and a limiting block (37) is fixedly arranged at the bottom end of the vertical groove (29).

4. The adjustable steel bar surface rust removing device for the construction field as claimed in claim 1, wherein: the left side and the right side of the supporting leg (1) are respectively and fixedly connected with one end of a rotating pin (38), the other end of the rotating pin (38) is provided with a vertical mounting plate (39) in a bearing mode, the bottom end of the mounting plate (39) is fixedly provided with a supporting leg (40), the bottom surface of the supporting leg (40) is provided with a magnet, and the bottom surface of the supporting leg (40) can be in magnetic fit with the bottom surface of the workbench (2).

5. The adjustable steel bar surface rust removing device for the construction field as claimed in claim 1, wherein: the inner side of the semi-annular polishing plate (25) is provided with friction grains.

6. The adjustable steel bar surface rust removing device for the construction field as claimed in claim 1, wherein: the periphery of the first telescopic shaft (10) is sleeved with a third spring (41).

7. The adjustable steel bar surface rust removing device for the construction field as claimed in claim 1, wherein: the periphery of the driving roller (7) is spindle-shaped, namely the middle of the driving roller (7) is narrow and the two ends of the driving roller are wide.

8. The adjustable steel bar surface rust removing device for the construction field as claimed in claim 1, wherein: two guide sleeves (42) which are symmetrically distributed up and down are mounted on the upper bearing of the worm (16), and the front sides of the guide sleeves (42) are fixedly connected with the inner sides of the corresponding transverse plates (13).