CN218051961U - Portable metal circular tube polishing and derusting device - Google Patents

Abstract

The utility model provides a portable metal pipe polishing rust cleaning device. Comprises a grinding main machine and a roller frame; the roller carrier supports and drives the metal round pipe to rotate; the main grinding machine frame is arranged on the metal circular tube to travel and is provided with a grinding wheel, and the main grinding machine moves along the axial direction along with the rotation of the metal circular tube to perform polishing and rust removal. The grinding host comprises a pipe climbing trolley, a grinding wheel, a motor and a support frame; the pipe climbing trolley comprises a trolley body, a motor height adjusting bolt, a self-adjusting roller mechanism, an adjusting mechanism, a central rotating shaft and a synchronous steering mechanism; a motor height adjusting bolt is arranged at the upper part of the trolley body and used for connecting a motor, a central rotating shaft and a synchronous steering mechanism are arranged at the lower part of the trolley body, the outer end of the synchronous steering mechanism is connected with a self-adjusting roller mechanism which rotates along with the synchronous steering mechanism, and the self-adjusting roller mechanism is attached to the metal round pipe, so that the pipe climbing trolley can axially translate along the metal round pipe; one side of the lower part of the vehicle body is provided with an adjusting mechanism linked synchronous steering mechanism. The portable metal circular tube polishing and derusting device is suitable for use.

Description

Portable metal circular tube polishing and derusting device

Technical Field

The utility model relates to an anticorrosive treatment in metal pipe field especially relates to a portable metal pipe polishing rust cleaning device.

Background

The modes of rust removal of the metal round pipe are mainly divided into chemical rust removal, mechanical physical rust removal and laser rust removal. The mechanical physical rust removal comprises manual rust removal, sand blasting (shot blasting) rust removal and power tool rust removal. The commonly used polishing and rust removing equipment is a table type circular tube polishing machine, also called a centerless cylindrical polishing machine. The working principle of the polishing machine is that a metal round tube is fed into an inlet of the polishing machine, and the polishing wheel is driven by a motor to polish through manual or mechanical automatic feeding. The main components are a polishing wheel part driven by a motor, a feeding and pressing roller, a guide wheel and the like driven by another motor, and an electric control part.

At present, the table type circular tube polishing rust remover has the following defects:

1. the desk type polishing rust remover has heavy machine body, larger volume and inconvenient movement, and the lightest single-station machine has the dead weight of more than 200 kilograms generally.

2. The table type polishing machine is suitable for field fixation, has small pipe diameter and short length, and is used for rust removal and polishing of light pipes and bars in order to adapt to long pipes, wherein brackets with the same length as the pipes need to be arranged on two sides of the polishing machine; for the materials with heavier pipes and bars, larger diameter and longer length, the processing range is limited due to the limitation of the structure and manpower of the equipment.

Generally, under the condition of large quantity of pipes for rust removal, sand blasting and rust removal are mostly adopted in factories, and then coating and transportation are carried out. The pipeline installation in the construction site has the characteristics that the site is changed frequently, and various types of pipes with large pipe diameter size span, long length and heavy weight are encountered frequently.

In order to flexibly use the rust removal equipment on site, the problem of rust removal in the process of pipeline installation in a construction site is solved. A rust removing device is urgently needed to be used in various places such as factories, workshops and the like.

Disclosure of Invention

In order to solve the frequent change in place, often meet the various model tubular products that pipe diameter size span is great, length is longer, weight is heavier among the building site piping erection, under the big condition of pipe quantity of general rust cleaning, mill's sandblast rust cleaning is adopted mostly, the problem of application transportation again, the utility model provides a portable metal pipe polishing rust cleaning device. The device supports and drives the metal pipe rotation through the gyro wheel frame, climbs the pipe dolly along metal pipe axial displacement along the rotation of metal pipe, and the wheel of polishing that is located on climbing the pipe dolly polishes the rust cleaning to the metal pipe, solves the technical problem of the rust cleaning in the building site pipeline installation process.

The utility model provides a scheme that technical problem adopted is:

the portable metal circular tube polishing and derusting device comprises a polishing main machine and a roller frame; the roller carrier is used for supporting the metal round pipe, lifting and suspending the metal round pipe to drive the metal round pipe to rotate; the main grinding machine frame is arranged on the metal circular tube to travel and is provided with a grinding wheel, and the main grinding machine rotates along the axial direction of the metal circular tube along with the rotation of the metal circular tube to perform polishing and rust removal.

In order to further solve the technical problem to be solved by the invention, in the grinding host provided by the invention, the grinding host comprises a pipe climbing trolley, a grinding wheel, a motor and a support frame; a three-phase double-output-end motor is mounted on the pipe climbing trolley, and the grinding wheels are symmetrically assembled on output shafts at two ends of the motor; the support frame is connected with the motor and used for keeping the balance of the pipe climbing trolley; the pipe climbing trolley travels along the axial direction of the metal round pipe, and then the grinding wheel is dragged to grind the metal round pipe, so that the polishing and rust removal of the metal round pipe are implemented.

Further, the pipe climbing trolley comprises a trolley body, a motor height adjusting bolt, a self-adjusting roller mechanism, an adjusting mechanism, a central rotating shaft and a synchronous steering mechanism; the pipe climbing trolley is characterized in that the trolley body is of a frame structure, a motor height adjusting bolt is arranged at the upper part of the trolley body and used for being connected with a motor, a central rotating shaft is arranged at the lower part of the trolley body, the central rotating shaft is assembled with a synchronous steering mechanism, the outer end of the synchronous steering mechanism is connected with a self-adjusting roller mechanism rotating along the synchronous steering mechanism, and the self-adjusting roller mechanism is attached to a metal round pipe so that the pipe climbing trolley can axially translate along the metal round pipe; one side of the lower part of the vehicle body is provided with an adjusting mechanism linked synchronous steering mechanism.

Further, the self-adjusting roller mechanism comprises a clamping plate, rollers, a wheel shaft, a horizontal rotating shaft and a vertical rotating shaft;

the roller is used for attaching a metal round pipe; the roller is clamped and fixed by the two clamping plates; the wheel shafts are arranged at the oblique angle ends of the clamping plates and are used for fixing the rollers respectively; the horizontal rotating shaft is arranged at the right-angle end of the clamping plate and penetrates through the two clamping plates; one end of the vertical rotating shaft is connected to the horizontal rotating shaft, and the other end of the vertical rotating shaft is connected with the synchronous steering mechanism.

Positive effect, because the utility model discloses a host computer and the design of rotating turret components of a whole that can function independently of polishing, this kind of components of a whole that can function independently lightweight design can adapt to present most needs, very big has made things convenient for the transition. The problems of small-batch pipe entering, high cost for secondary transfer and rust removal, poor rust removal quality of manual and electric tools, high cost and high difficulty are solved. For example, a 6-meter DN150 steel pipe needs only 2 minutes and 30 seconds for rust removal, and the efficiency and the quality are incomparable with the rust removal mode of other electric tools such as an angle grinder. Meanwhile, the polishing machine has the advantages of small pipe diameter polishing and multiple purposes. This equipment beneficial effect lies in: the construction method has the advantages of being capable of achieving site construction, convenient to transition, capable of reducing energy consumption, saving cost, guaranteeing quality and improving efficiency. The portable metal circular tube polishing and derusting device is suitable for use.

Drawings

FIG. 1 is a schematic front view of a main sander;

FIG. 2 isbase:Sub>A cross-sectional view ofbase:Sub>A sanding block A-A;

FIG. 3 is a schematic side view of a sanding block;

FIG. 4 is a schematic side view of the active frame;

FIG. 5 is a schematic top view of the connected chassis;

fig. 6 is a schematic top view of the adjustment mechanism.

In the figure, 00. A metal round tube;

10. polishing the main machine;

11. a pipe climbing trolley;

111. a vehicle body;

112. a motor height adjusting bolt;

113. the automatic roller adjusting mechanism comprises a self-adjusting roller mechanism, a clamping plate 1132, rollers, an axle 1133, a horizontal rotating shaft 1134 and a vertical rotating shaft 1135;

114. an adjusting mechanism, 1141, an adjusting hand wheel, 1142, a limiter, 1143, a push-pull rod, 1144, a screw, 1145, a quick locking rod and 1146, a connecting shaft;

115. a central rotating shaft;

116. synchronous steering mechanism, 1161 connecting rod, 1162 pull rod;

12. grinding the wheel;

13. the motor comprises a motor, 131 a motor clamping plate, 132 a motor junction box and 133 a motor clamping plate fixing bolt;

14. the supporting frame 141, the supporting upright rod 142, the supporting cross rod 143, the height adjusting buckle 144, the supporting cross rod locking bolt 145 and the caster wheel;

20. a roller frame;

21. a driving frame, 211, a roller, 212, a speed regulating motor;

22. a driven frame;

23. the combined base plate is 231, the adjusting sliding table is 232, the pin shaft penetrates, 233, the base plate is 234 and the material pressing wheel is arranged.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

when the diameter of the metal round tube 00 is greater than DN40, the rolling frame 20 is used to support the metal round tube 00 and drive the metal round tube 00 to rotate, and the supporting polishing host 10 moves along the axial direction of the metal round tube 00 for polishing.

As shown in the figure, the portable metal circular tube polishing and rust removing device comprises a grinding main machine 10 and a roller frame 20;

the roller frame 20 is used for supporting the metal circular tube 00, lifting the metal circular tube 00 in the air and driving the metal circular tube 00 to rotate;

the main grinding machine 10 is erected on the metal circular tube 00 to move, a grinding wheel 12 is arranged, and the main grinding machine 10 moves along the axial direction of the metal circular tube 00 along with the rotation of the metal circular tube 00 to perform polishing and rust removal.

In order to ensure the stability of the structure of the utility model, the grinding host 10 comprises a pipe climbing trolley 11, a grinding wheel 12, a motor 13 and a support frame 14;

a three-phase double-output-end motor 13 is mounted on the pipe climbing trolley 11, and grinding wheels 12 are symmetrically assembled on output shafts at two ends of the motor 13; the support frame 14 is connected with the motor 13 and used for keeping the balance of the pipe climbing trolley 11; the pipe climbing trolley 11 travels along the axial direction of the metal circular pipe 00, and then the grinding wheel 12 is dragged to grind the metal circular pipe 00, so that the polishing and rust removal of the metal circular pipe 00 are implemented.

In order to further ensure the stability of the structure of the utility model, the pipe climbing trolley 11 comprises a trolley body 111, a motor height adjusting bolt 112, a self-adjusting roller mechanism 113, an adjusting mechanism 114, a central rotating shaft 115 and a synchronous steering mechanism 116;

the pipe climbing trolley comprises a trolley body 111, a motor height adjusting bolt 112 is arranged on the upper portion of the trolley body 111 and used for being connected with a motor 13, a central rotating shaft 115 is arranged on the lower portion of the trolley body 111, the central rotating shaft 115 is assembled with a synchronous steering mechanism 116, the outer end of the synchronous steering mechanism 116 is connected with a self-adjusting roller mechanism 113 rotating along with the synchronous steering mechanism, and the self-adjusting roller mechanism 113 is attached to a metal round pipe 00 so that the pipe climbing trolley 11 can axially translate along the metal round pipe 00; an adjusting mechanism 114 is provided at a lower portion side of the vehicle body 111 to interlock with a synchrotilt mechanism 116.

Specifically, the self-adjusting roller mechanism 113 includes a clamp plate 1131, rollers 1132, a wheel shaft 1133, a horizontal rotating shaft 1134 and a vertical rotating shaft 1135;

the roller 1132 is used for attaching the metal circular pipe 00;

the clamping plate 1131 is a straight triangular plate, and the rollers 1132 are clamped and fixed by the two clamping plates 1131;

the wheel shaft 1133 is arranged at the oblique end of the clamping plate 1131 and is used for fixing the rollers 1132 respectively;

the horizontal rotating shaft 1134 is arranged at the right-angle end of the clamping plate 1131 and penetrates through the two clamping plates 1131;

one end of the vertical shaft 1135 is connected to the horizontal shaft 1134, and the other end is connected to the synchronous steering mechanism 116.

In this embodiment, the pipe-climbing trolley 11 has four self-adjusting roller mechanisms 113, and each self-adjusting roller mechanism 113 is composed of two rollers 1132, a vertical rotating shaft 1135, a horizontal rotating shaft 1134, and a clamping plate 1131. Each self-adjusting roller mechanism 113 can freely rotate in the vertical direction to adapt to the pipe diameters of different metal round pipes 00.

Specifically, the synchronous steering mechanism 116 includes a connecting rod 1161 and a pull rod 1162, the central rotating shaft 115 is assembled in the middle of the connecting rod 1161, and the pull rod 1162 is connected to two ends of the connecting rod 1161; in a preferred embodiment, rectangular holes are formed at both ends of the connecting rod 1161, and the connecting rod 1162 is hinged to each other, so that the connecting rod 1162 can slide in the rectangular holes of the connecting rod 1161;

the synchronous steering mechanism 116 is connected to the lower part of the vehicle body 111 through a central rotating shaft 115, and the four self-adjusting roller mechanisms 113 are synchronously linked with the synchronous steering mechanism.

Specifically, the adjusting mechanism 114 includes an adjusting hand wheel 1141, a stopper 1142, a push-pull rod 1143, a screw 1144, a quick lock rod 1145 and a connecting shaft 1146; the lower part of the vehicle body 111 is symmetrically provided with a limiter 1142, the outer side of the limiter 1142 is provided with a screw 1144, and the screw 1144 is provided with an adjusting hand wheel 1141; a push-pull rod 1143 is arranged on the inner side of the limiter 1142, and the push-pull rod 1143 is connected with the connecting rod 1161 of the synchronous steering mechanism 116; the outer end of the screw 1144 is provided with a quick lock bar 1145 to lock the adjusting hand wheel 1141, and the two quick lock bars 1145 are connected through a connecting shaft 1146 to form a linkage structure.

Wherein, the adjusting hand wheel 1141 can rotate freely, and the screw 1144 is in threaded connection with the adjusting hand wheel 1141; the adjusting hand wheel 1141 rotates to enable the screw 1144 to stretch and retract, the connecting rod 1161 is pushed and pulled, the four self-adjusting roller mechanisms 113 are controlled to horizontally rotate, and the requirements on the advancing speed and the advancing direction of the pipe climbing trolley 11 are met by adjusting the angles of the four self-adjusting roller mechanisms 113; the stopper 1142 is used for preventing the screw 1144 from shaking left and right;

the pipe climbing trolley 11 can be controlled to rotate by the adjusting hand wheel 1141 in the horizontal direction, the crawling speed and direction of the pipe climbing trolley 11 are changed, and the polishing efficiency and quality are ensured.

In order to optimize the structure of the utility model, the shell of the motor 13 adopts a T-shaped groove structure, and the left side and the right side of the shell can be both provided with fixed aluminum alloy shells; the top of the motor 13 is provided with a motor junction box 132 which is electrically connected with the control box; a motor clamping plate 131 is respectively arranged on the left side and the right side of the motor 13 and is locked and fixed through a motor clamping plate fixing bolt 133, and the upper end of the motor clamping plate 131 is used for connecting the support frame 14; two through holes are respectively formed in the side edge of the lower end of the motor clamping plate 131, the number of the through holes is four, meanwhile, the four motor height adjusting bolts 112 are located on the upper portion of the trolley body 111 of the pipe climbing trolley 11, two nuts are respectively arranged on each motor height adjusting bolt 112, the side edge of the bottom of the motor 13 is clamped in the middle, the motor height adjusting bolts 112 and the nuts are mutually assembled together, the height of the motor 13 is adjusted, and the height of the grinding wheel 12 can be adjusted.

Preferably, the motor clamping plate 131 is made by cutting a channel steel.

In order to optimize the structure of the present invention, the supporting frame 14 includes a supporting upright 141, a supporting cross bar 142, a height adjusting lock 143, a supporting cross bar locking bolt 144 and a caster 145; a supporting cross bar 142 is connected above the motor clamping plates 131 on two sides of the motor 13 through supporting cross bar locking bolts 144, two ends of the supporting cross bar 142 are connected with supporting vertical rods 141 through height adjusting latches 143, the bottoms of the supporting vertical rods 141 are connected with cross arms, and two ends of the cross arms are provided with trundles 145; the supporting frame 14 can suspend the main polishing machine 10 on the ground, and can also make the main polishing machine 10 push and walk on the ground, the supporting cross rod 142 and the supporting upright 141 of the supporting frame 14 are connected by the height adjusting latch 143, and the height of the supporting cross rod 142 is adjusted by the extension of the supporting upright 141, so that the caster 145 can land when the main polishing machine is adapted to polishing with different pipe diameters.

In this embodiment, portable metal pipe polishing rust cleaning device still includes the control box, and the control box is independently laid and is not assembled together with host computer 10 of polishing, and the control of being convenient for is convenient for carry. The motor 13 of polishing needs the soft start to beat when preventing motor 13 to start, install an empty division and a converter control motor 13 in the control box, for convenient operation, still install remote control unit additional. Since the control box is common knowledge in the field, no reference is shown in the drawings of the specification, and the control box is not described in detail as a choice of the conventional technology.

In order to further optimize the structure of the present invention, the roller frame 20 includes a driving frame 21 and a driven frame 22, rollers 211 are arranged on the driven frame 22, the rollers 211 are also arranged on the driving frame 21, and a speed-regulating motor 212 for driving the rollers 211 is further provided; the distance that driving frame 21 and driven frame 22 pull open slightly to be less than metal pipe 00 length is put subaerial, and metal pipe 00 is arranged in between two gyro wheels 211, and adjustable speed motor 212 drive driving frame 21's gyro wheel 211 is rotatory to drive metal pipe 00 and rotate, the gyro wheel 211 on the driven frame 22 follows metal pipe 00 and rolls.

In a preferred embodiment, in order to reduce the weight and the actual use requirement, the roller frame 20 adopts a light-weight structure, the rollers 211 of the active frame 21 are driven by a small-sized ac adjustable-speed motor 212, and the edges of the rollers 211 on the active frame 21 are designed to be covered with rubber so as to prevent the metal round pipe 00 from slipping. The rollers 211 are iron wheels so as to be strong in bearing capacity. The roller 211 is narrow and can rotate forward and backward.

The working process of the first embodiment:

firstly, assembling a motor 13 and a pipe climbing trolley 11 together through a motor height adjusting bolt 112, and assembling a polishing wheel 12;

secondly, the supporting upright rod 141 and the supporting cross rod 142 are assembled together through a height adjusting lock 143, so that the supporting cross rod 142 is at the lowest position, and after the assembly is completed, the supporting cross rod is fixed on the motor 13 through a supporting cross rod locking bolt 144;

secondly, placing the driving wheel frame 21 and the driven wheel frame 22 on the ground, placing the metal round pipe 00 to be polished on the roller wheel frame 20, lifting the polishing main machine 10 on the metal round pipe 00, and adjusting the supporting frame 14 to enable the casters 145 of the supporting upright rods 141 at the two sides of the polishing main machine 10 to approach the ground; observing the contact gap between the grinding wheel 12 and the metal circular tube 00, preferably not being in close contact, and timely adjusting the height adjusting bolt 112 of the motor according to the requirement; switching on a power supply of the roller frame 20, starting the roller 211 of the driving wheel frame 21, adjusting an adjusting hand wheel 1141 of the pipe climbing trolley 11, observing the axial movement condition of the polishing main machine 10 on the metal circular pipe 00 along the metal circular pipe 00, and observing the rotation direction of the metal circular pipe 00; when the adjusting mechanism works, adjusting hand wheels 1141 on two sides are adjusted, the self-adjusting roller mechanism 113 is adjusted, after the adjusting hand wheels 1141 on two sides are locked, the adjusting hand wheels 1141 are simultaneously loosened outwards for the same number of turns to reach the required advancing speed of the pipe climbing trolley 11, then the screw rod 1144 is pushed to one side, the adjusting hand wheel 1141 is locked by the quick lock rod 1145, and the adjusting hand wheel 1141 on the other side is in a state of being separated from the pipe climbing trolley 11; when the device runs in the reverse direction, the quick lock rod 1145 is opened, the screw 1144 is pushed in the reverse direction to enable the adjusting hand wheel 1141 to be attached to the pipe climbing trolley 11, and the quick lock rod 1145 locks the adjusting hand wheel 1141, so that the reverse adjusting amount does not need to be considered each time when the device works;

then, the power supply of the polishing main machine 10 is switched on, and the motor 13 is controlled by the frequency converter to start and stop; to prevent the polishing main body 10 from jumping when starting; after starting, observing whether the rotation directions of the grinding wheel 12 and the metal round tube 00 are the same or not, and if the rotation directions are different, ensuring the same rotation directions by exchanging power phase lines;

finally, the polishing main machine 10 is started, after the motor 13 of the polishing main machine 10 reaches the rated rotating speed, the speed regulating motor 212 of the roller frame 20 is started, and the polishing main machine 10 moves axially along the metal circular tube 00 while polishing until the end of the metal circular tube 00; all power supplies are turned off, the polishing main machine 10 is moved away from the metal round tube 00, the polishing main machine 10 is erected on the ground by the support frame 14 and can be pushed by the casters 145 on the ground, and therefore manual moving can be achieved.

Example two:

when the diameter of the metal round tube 00 is smaller than DN40, the tube climbing trolley 11 cannot adapt to small-tube-diameter polishing rust removal due to small tube diameter and insufficient rigidity.

In order to adapt to polishing and rust removal of the small-diameter metal round pipe 00, the device of the first embodiment is utilized to connect the driving frame 21 and the driven frame 22 of the roller frame 20, the connected chassis 23 is additionally arranged between the driving frame 21 and the driven frame 22, the grinding main machine 10 is arranged on the connected chassis 23, the roller 211 of the roller frame 20 rotates to drive the metal round pipe 00 to feed, and grinding is achieved by axial movement of the metal round pipe 00. In this case, the support stand 14 is not required.

As a conventional technical option, the roller frame 20 further comprises an integrated chassis 23, and the integrated chassis 23 comprises an adjusting sliding table 231, a pin shaft 232, a chassis 233 and a material pressing wheel 234; a chassis 233 is arranged between the driving frame 21 and the driven frame 22, and the chassis 233 is connected with the driving frame 21 and the driven frame 22 by a pin shaft 232, so that the disassembly is convenient; an adjusting sliding table 231 is arranged on the chassis 233, and the main polishing machine 10 is clamped on the adjusting sliding table 231 and can slide back and forth to adjust the gap between the two polishing wheels 12 and the metal circular tube 00; a material pressing wheel 234 is arranged beside the metal round pipe 00 on one side of the chassis 233 opposite to the main grinding machine 10; a material supporting frame is arranged below the metal round pipe 00, so that the metal round pipe 00 is prevented from falling when being polished to the end.

The conjoined chassis 23 adopts an independent split structure, the two roller frames 20 are connected by the pin shaft 232, the disassembly is convenient, and the adjusting sliding table 231 of the polishing host machine 10 is arranged on the conjoined chassis 23, so that the polishing is realized.

The utility model discloses the theory of operation:

the driving frame 21 and the driven frame 22 are placed on a horizontal ground, and are staggered back and forth. The metal round pipe 00 is placed on the roller frame 20, and the movable frame 21 and the driven frame 22 are staggered back and forth, so that the metal round pipe 00 is not perpendicular to the end surface of the roller 211, and the metal round pipe 00 can move longitudinally on the roller frame 20 when the roller 211 of the movable frame 21 rotates, and continuous feeding and polishing of the metal round pipe 00 are realized.

The working process of the second embodiment:

firstly, placing a driving frame 21 and a driven frame 22 on the ground, staggering the driving frame and the driven frame front and back, fixing a connected chassis 23 on two roller frames 20, and placing a polishing main machine 10 on a chassis 233;

secondly, placing the metal round pipe 00 on the roller frame 20, and adjusting the gap between the polishing main machine 10 and the metal round pipe 00; meanwhile, the gap between the swaging wheel 234 and the metal round tube 00 is adjusted;

finally, starting the motor 13 of the grinding main machine 10 and observing whether the rotation direction of the grinding wheel 12 is correct or not; the adjustable speed motor 212 of the active frame 21 is started, the rotating direction of the metal round tube 00 is observed, and the metal round tube 00 and the grinding wheel 12 are ensured to rotate in the same direction.

The utility model has the characteristics that:

in order to adapt to frequent change of a construction site, the problems of different pipe diameters, longer length and larger weight of various types of pipes of the metal round pipe are frequently encountered, and equipment has light weight and is suitable for carrying by one person. Therefore, the device adopts a split design, namely a combined mode of the grinding main machine and the roller frame for driving the metal circular tube to rotate. The monomer of the equipment does not exceed 40 kg; meanwhile, the rust removing problem of different metal round pipe diameters is also solved.

The support frame of the polishing host machine is assembled on site, so that the size is further reduced, and the space of a car trunk can be transferred.

The device can remove rust for pipes with diameters larger than or equal to DN20 and without capping theoretically. The equipment is designed in a light weight mode, pipes with the weight not more than 1 ton can be used generally, and the pipe can be replaced only by replacing the roller carrier along with the increase of the weight and the diameter of the pipe and is irrelevant to a grinding host machine.

The design concept of the device is that the rust removal is carried out on the pipeline in the construction site and the rust removal is carried out on the long round pipes in small batches in factories and workshops, so the device is not suitable for short and small metal round pipes.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (10)

1. Portable metal pipe polishing rust cleaning device, characterized by: the method comprises the following steps:

the roller carrier (20) is used for supporting the metal circular tube (00), lifting and suspending the metal circular tube (00) to drive the metal circular tube (00) to rotate; and

the metal pipe polishing and rust removing machine comprises a polishing main machine (10), wherein the polishing main machine (10) is erected on a metal circular pipe (00) to run, and is provided with a polishing wheel (12), and the polishing main machine (10) rotates along the metal circular pipe (00) along with the metal circular pipe (00) to move axially to perform polishing and rust removing.

2. The portable metal round tube polishing and rust removing device as recited in claim 1, wherein:

the grinding main machine (10) comprises a pipe climbing trolley (11), a grinding wheel (12), a motor (13) and a support frame (14);

the motor (13) with three phases and double output ends is arranged on the pipe climbing trolley (11), and the grinding wheels (12) are symmetrically assembled on output shafts at two ends of the motor (13); the supporting frame (14) is connected with the motor (13) and is used for keeping the balance of the pipe climbing trolley (11); the pipe climbing trolley (11) travels along the axial direction of the metal circular pipe (00) and further drags the grinding wheel (12) to grind the metal circular pipe (00).

3. The portable metal round tube polishing and rust removing device as claimed in claim 2, which is characterized in that:

the pipe climbing trolley (11) comprises a trolley body (111), a motor height adjusting bolt (112), a self-adjusting roller mechanism (113), an adjusting mechanism (114), a central rotating shaft (115) and a synchronous steering mechanism (116);

the pipe climbing trolley is characterized in that the trolley body (111) is of a frame structure, the motor height adjusting bolt (112) is arranged on the upper portion of the trolley body (111) and used for being connected with the motor (13), the central rotating shaft (115) is arranged on the lower portion of the trolley body (111), the synchronous steering mechanism (116) is assembled on the central rotating shaft (115), the outer end of the synchronous steering mechanism (116) is connected with the self-adjusting roller mechanism (113) which rotates along with the synchronous steering mechanism, and the self-adjusting roller mechanism (113) is attached to the metal round pipe (00) so that the pipe climbing trolley (11) can axially translate along the metal round pipe (00); the adjusting mechanism (114) is arranged on one side of the lower portion of the vehicle body (111) and is linked with the synchronous steering mechanism (116).

4. The portable metal round tube polishing and rust removing device as recited in claim 3, wherein:

the self-adjusting roller mechanism (113) comprises:

rollers (1132), wherein the rollers (1132) are used for adhering to the metal round pipe (00);

the clamping plate (1131), the clamping plate (1131) is a straight triangle plate, and the two clamping plates (1131) clamp and fix the roller (1132);

the wheel shaft (1133), the wheel shaft (1133) is set up in the oblique angle end of the said clamp plate (1131), fix the said running roller (1132) separately;

the horizontal rotating shaft (1134), the horizontal rotating shaft (1134) is arranged at the right-angle end of the clamping plate (1131), and penetrates through the two clamping plates (1131); and one end of the vertical rotating shaft (1135) is connected to the horizontal rotating shaft (1134), and the other end of the vertical rotating shaft (1135) is connected with the synchronous steering mechanism (116).

5. The portable metal round tube polishing and rust removing device as recited in claim 3, wherein:

the synchronous steering mechanism (116) comprises a connecting rod (1161) and a pull rod (1162);

the central rotating shaft (115) is assembled in the middle of the connecting rod (1161), and the two ends of the connecting rod (1161) are connected with the pull rod (1162); rectangular holes are formed in two ends of the connecting rod (1161) and hinged with the pull rod (1162), so that the pull rod (1162) can slide in the rectangular holes of the connecting rod (1161); the synchronous steering mechanism (116) is connected to the lower part of the vehicle body (111) through the central rotating shaft (115), and the four self-adjusting roller mechanisms (113) are synchronously linked with the central rotating shaft.

6. The portable metal round tube polishing and rust removing device as recited in claim 5, characterized in that:

the adjusting mechanism (114) comprises an adjusting hand wheel (1141), a limiter (1142), a push-pull rod (1143), a screw rod (1144), a quick lock rod (1145) and a connecting shaft (1146);

the limiting devices (1142) are symmetrically arranged on the lower portion of the vehicle body (111), the screw rod (1144) is arranged on the outer side of each limiting device (1142), and the adjusting hand wheel (1141) is assembled on each screw rod (1144); the push-pull rod (1143) is arranged on the inner side of the stopper (1142), and the push-pull rod (1143) is connected with the connecting rod (1161) of the synchronous steering mechanism (116) together; the outer end of the screw rod (1144) is provided with the quick locking rod (1145) for locking the adjusting hand wheel (1141), and the quick locking rods (1145) are connected through a connecting shaft (1146) to form a linkage structure.

7. The portable metal round tube polishing and rust removing device as recited in claim 3, wherein:

the shell of the motor (13) adopts a T-shaped groove structure, and the left side and the right side of the shell can be provided with fixed aluminum alloy shells; the top of the motor (13) is provided with a motor junction box (132) which is electrically connected with the control box; the left side and the right side of the motor (13) are respectively provided with a motor clamping plate (131) which is locked and fixed through a motor clamping plate fixing bolt (133), and the upper end of the motor clamping plate (131) is used for connecting the support frame (14); through holes are formed in the side edges of the lower end of the motor clamping plate (131), meanwhile, the motor height adjusting bolts (112) are located at the upper portion of the trolley body (111) of the pipe climbing trolley (11), two nuts are arranged on each motor height adjusting bolt (112), the side edge of the bottom of the motor (13) is clamped in the middle, and the motor height adjusting bolts (112) and the nuts are mutually assembled together and used for adjusting the height of the motor (13) so that the height of the grinding wheel (12) can be adjusted;

the control box is independently arranged and is not assembled with the grinding host (10); the motor (13) needs soft start to prevent the motor (13) from jumping when being started, an air switch and a frequency converter are arranged in a control box to control the motor (13), and a remote control device is additionally arranged.

8. The portable metal round tube polishing and rust removing device as recited in claim 7, wherein:

the supporting frame (14) comprises a supporting upright rod (141), a supporting cross rod (142), a height adjusting buckle (143), a supporting cross rod locking bolt (144) and a caster (145);

the upper parts of the motor clamping plates (131) on two sides of the motor (13) are connected with the supporting cross rod (142) through the supporting cross rod locking bolts (144), two ends of the supporting cross rod (142) are connected with the supporting vertical rod (141) through the height adjusting lock catches (143), the bottom of the supporting vertical rod (141) is connected with a cross arm, and two ends of the cross arm are provided with the trundles (145); the supporting frame (14) can enable the polishing main machine (10) to be suspended on the ground, and also can enable the polishing main machine (10) to be pushed to walk on the ground, the supporting cross rod (142) and the supporting upright rod (141) of the supporting frame (14) are connected through the height adjusting lock catch (143), and the height of the supporting cross rod (142) is adjusted through the stretching of the supporting upright rod (141), so that the caster (145) can be grounded when polishing is carried out according to different pipe diameters.

9. The portable metal round tube polishing and rust removing device as recited in claim 1, wherein:

the roller frame (20) comprises a driving frame (21) and a driven frame (22), rollers (211) are arranged on the driven frame (22), the rollers (211) are also arranged on the driving frame (21), and a speed regulating motor (212) for driving the rollers (211) to be arranged is further arranged; the distance between the active frame (21) and the driven frame (22) is slightly less than the length of the metal round pipe (00) and is placed on the ground, the metal round pipe (00) is placed between the two rollers (211), the adjustable speed motor (212) drives the rollers (211) of the active frame (21) to rotate to drive the metal round pipe (00) to rotate, and the rollers (211) on the driven frame (22) follow the metal round pipe (00) to roll.

10. The portable metal round tube polishing and rust removing device as recited in claim 9, wherein:

the roller frame (20) further comprises a connected chassis (23), and the connected chassis (23) comprises an adjusting sliding table (231), a pin shaft (232), a chassis (233) and a material pressing wheel (234);

the chassis (233) is arranged between the active frame (21) and the driven frame (22), and the chassis (233) is connected with the active frame (21) and the driven frame (22) through the pin shaft (232), so that disassembly is convenient; the chassis (233) is provided with the adjusting sliding table (231), the polishing main machine (10) is clamped on the adjusting sliding table (231), and a gap between the two polishing wheels (12) and the metal circular tube (00) can be adjusted in a front-back sliding mode; the material pressing wheel (234) is arranged beside the metal circular tube (00) on one side, opposite to the grinding main machine (10), of the chassis (233); a material supporting frame is arranged below the metal round pipe (00) to prevent the metal round pipe (00) from falling when the end of the metal round pipe (00) is polished.

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