CN112372392A

CN112372392A - High efficiency L shape steel pipe end inner wall grinding device for building

Info

Publication number: CN112372392A
Application number: CN202011282127.9A
Authority: CN
Inventors: 郑勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-02-19

Abstract

The invention discloses a high-efficiency polishing device for inner walls of end heads of L-shaped steel pipes for buildings, which comprises two first supporting plates, wherein two third L-shaped sliding rods are symmetrically arranged in a first sliding chute, the two third L-shaped sliding rods are arranged in a central symmetry manner relative to the circle center of a cylinder body, a dovetail block is arranged in a fourth dovetail groove in a fitting and sliding manner, the side wall of the dovetail block is fixedly connected with the side end of the cylinder body, a fifth spring is arranged in the fourth dovetail groove, the fifth spring is a compression spring, the elastic force of the fourth spring with the minimum elastic force is greater than that of the fifth spring, the thickness of a disc is 10cm-12cm, the connecting mode of the cylinder body and a second cylinder body is welded, the model of a motor is Y2-80M2-4S150, the device can realize rapid clamping of the L-shaped steel pipes with different models, is simple to operate, saves time and labor, is convenient for polishing the inner walls of the following steel pipes, can limit the L-shaped steel pipes, improve work efficiency, satisfy the building user demand.

Description

High efficiency L shape steel pipe end inner wall grinding device for building

Technical Field

The invention relates to the technical field of buildings, in particular to a high-efficiency polishing device for the inner wall of an end head of an L-shaped steel pipe for a building.

Background

The steel pipe is a hollow shaft-like structure, obtain the wide application at prior art, for example the wiring, supply water, supply fields such as vapour, use the steel pipe as the passageway, the steel pipe probably needs link together many steel pipes in practical application, perhaps with steel pipe and other structure assemblies, the steel pipe needs L shape steel pipe to change the direction of transportation and satisfies the user demand when needs turn round, the tradition is beaten steel pipe inner wall grinding device structure complicacy, the function is single, the practicality is poor, can only polish the steel pipe end inner wall of single model, when polishing different steel pipes, need manual regulation distance between the bracing piece to satisfy the user demand, accommodation process is complicated, waste time and energy, can not satisfy building user demand.

Disclosure of Invention

In order to solve the existing problems, the invention provides a high-efficiency polishing device for the inner wall of the end head of an L-shaped steel pipe for a building.

The invention is realized by the following technical scheme:

a polishing device for the inner wall of an end of a high-efficiency L-shaped steel pipe for a building comprises two first supporting plates, wherein the extension surfaces of the two first supporting plates are vertical to each other, the bottom surface of one first supporting plate is fixedly connected with a plurality of supporting legs, the side wall of one first supporting plate is fixedly connected with a first transverse plate, the top surface of the first transverse plate is symmetrically provided with two first dovetail grooves, a first dovetail block is arranged in the first dovetail grooves in a laminating and sliding manner, the top surface of the first transverse plate is provided with a box body in a laminating manner, the side wall of the box body is hinged with a box door, the top surface of the first dovetail block is fixedly connected with the bottom surface of the box body, the first transverse plate is fixedly connected with the box body through bolts, the side wall of the box body is symmetrically provided with two second dovetail grooves, a second dovetail block is arranged in the second dovetail grooves in a laminating and sliding manner, the side wall of the second, the two first bevel gears are meshed with each other and are perpendicular to each other, a first barrel body is fixedly connected to the side wall of each first bevel gear, the other end of each first barrel body penetrates through the box body, two first limiting rings are sleeved on the box body and are positioned on two sides of the box body and attached to the surface of the box body, the first barrel body is rotatably connected with the box body, a first T-shaped sliding rod is slidably arranged in the first barrel body in an attached mode, the cross section of the first T-shaped sliding rod is square, the other end of the first T-shaped sliding rod penetrates through the first barrel body and is fixedly sleeved with a first helical gear ring, one side of each first supporting plate is fixedly connected with the barrel body, a disc is rotatably sleeved on the barrel body in an attached mode, two second limiting rings are fixedly sleeved on the barrel body and are positioned on two sides of the disc and are attached to the surface of the disc, a second helical gear ring is fixedly sleeved on the disc and is meshed with the first, the circular disc side wall is provided with a third dovetail groove in an annular shape, a third dovetail block is arranged in the third dovetail groove in a laminating and sliding manner, a deep groove ball bearing is fixedly embedded in the side wall of the third dovetail block, the other end of the first T-shaped slide rod is fixedly connected with the inner ring of the deep groove ball bearing, a pair of arc plates is arranged on the top surface of a first supporting plate, a baffle plate is fixedly connected with the inner wall of the barrel body, a second barrel body is fixedly connected in the barrel body, a second T-shaped slide rod is arranged in the second barrel body in a laminating and sliding manner, the cross section of the second T-shaped slide rod is square, the top end of the second T-shaped slide rod sequentially penetrates through the second barrel body and the baffle plate to be fixedly connected with the bottom surface of the arc plate at the bottom end, the second T-shaped slide rod respectively penetrates through the second barrel body and the baffle plate to be slidably connected, a first spring is, the first electric telescopic rod is electrically connected with an external controller through a circuit, the output end of the first electric telescopic rod is fixedly connected with a third barrel body, the cross section of the third barrel body is square, the top end of the third barrel body penetrates through a baffle plate, the third barrel body is in sliding connection with the baffle plate, the first electric telescopic rod and the second barrel body are arranged in the same barrel body, a first sliding block is arranged in the third barrel body in a fitting sliding mode, the cross section of the first sliding block is square, a first L-shaped sliding rod is fixedly connected with the side wall of an arc-shaped plate at the top end, the bottom end of a vertical rod of the first L-shaped sliding rod penetrates into the third barrel body and is fixedly connected with the top surface of the first sliding block, a second spring is arranged in the third barrel body, the top end of the second spring is fixedly connected with the bottom surface of the first sliding block, the bottom end of the second spring, a second L-shaped sliding rod is fixedly connected to the top surface of the top end arc plate, a second sliding block is arranged in the other barrel body in a fitting sliding manner, a cross rod of the second L-shaped sliding rod penetrates into the barrel body through the baffle plate and is fixedly connected with the side wall of the second sliding block, the cross rod of the second L-shaped sliding rod is connected with the baffle plate in a sliding manner, a third spring is arranged on the side wall of the second sliding block in a fitting manner, the third spring is a compression spring, a sleeve ring is sleeved on the barrel body in a fitting sliding manner, scales are carved on the side wall of the barrel body, a second supporting plate is arranged on one side of the first supporting plate, two sliding rods are fixedly connected to one side of the second supporting plate, a second electric telescopic rod is fixedly connected to one side of the second supporting plate, the second electric telescopic rod is electrically connected with an external controller through a, the other side of the second supporting plate is fixedly connected with a motor, the motor is electrically connected with an external controller through a circuit, the output end of the motor penetrates through the second supporting plate to be fixedly sleeved with a plurality of polishing disks, the polishing disks are gradually far away from the motor, the inner diameter of the polishing disks is gradually reduced, the top surface of the first supporting plate is fixedly connected with a vertical plate, the side wall of the disk is annularly opened with a plurality of threaded holes, the vertical plate is fixedly connected with the disk through bolts penetrating into the threaded holes, the side wall of the barrel body is opened with a first chute, a sliding block is arranged in the first chute in a fitting sliding manner, the side wall of the sliding block is opened with a groove, the inner wall of the disk is annularly opened with a plurality of second chutes, one side of the disk is annularly opened with a plurality of through holes, the diameters of the through holes are different from each other, the through holes correspond to the second chutes one by one, a, the limiting ring is fixedly connected with the side wall of the disc, the cross section of the third T-shaped slide rod is square, the other end of the third T-shaped slide rod penetrates through the limiting ring and penetrates into the groove, the other end of the third T-shaped slide rod is arc-shaped, a fourth spring is arranged in the second chute, the elastic force of a plurality of fourth springs is different, one side of the third slider is fixedly connected with a first rack, the first rack is arranged in the first chute, a second gear is arranged in the first chute and is meshed with the first rack, a rotating shaft is fixedly arranged in the second gear, a first groove is formed in one side of the first supporting plate, a second transverse plate is arranged in the first groove and is fixedly connected with the first supporting plate, one end of the slide rod is attached to the side end of the first supporting plate, and the other end of the slide rod sequentially penetrates through the first supporting plate and the second transverse plate and is fixedly connected with the lantern ring, the sliding rods are respectively connected with the first supporting plate and the second transverse plate in a sliding manner, the other end of the rotating shaft penetrates out of the barrel body and penetrates into the first groove to be fixedly connected with a third gear, the rotating shaft is respectively connected with the barrel body and the first supporting plate in a rotating manner, one side of the third gear is attached to one side of the second transverse plate, one side of the first supporting plate is fixedly embedded with a barrel body, the cross section of the barrel body is circular, the center of the barrel body and the center of the output end of the motor are positioned on the same straight line, two third L-shaped sliding rods are symmetrically arranged in the first sliding groove, the two third L-shaped sliding rods are arranged in a central symmetry manner relative to the center of the barrel body, one end of each third L-shaped sliding rod penetrates into the barrel body, the third L-shaped sliding rods are connected with the barrel body in a sliding manner, the cross section of each third L, a third L shape slide bar and a second rack fixed connection, another third L shape slide bar one end fixedly connected with connecting rod, the shape of connecting rod is the U-shaped, the connecting rod other end and another second rack side fixed connection, it has the fourth dovetail to open connecting rod one side, the laminating slip is equipped with the dovetail piece in the fourth dovetail, dovetail piece lateral wall and barrel side fixed connection, be equipped with the fifth spring in the fourth dovetail, the fifth spring is compression spring, and the elasticity dynamics of the minimum fourth spring of elasticity dynamics is greater than the elasticity dynamics of fifth spring.

Preferably, the thickness of the disc is 10cm-12 cm.

Preferably, the connection mode of the barrel body and the second barrel body adopts welding.

Preferably, the motor is Y2-80M2-4S150 in model number.

Compared with the prior art, the invention has the beneficial effects that: the device is simple in structure, multiple in functions and high in practicability, and is provided with a first transverse plate, a first dovetail block, a box body, a second dovetail block, a first helical gear, a first barrel body, a first limiting ring, a first T-shaped sliding rod, a first inclined toothed ring, a barrel body, a disc, a second limiting ring, a second inclined toothed ring, a third dovetail block, a deep groove ball bearing, an arc-shaped plate, a baffle plate, a second barrel body, a second T-shaped sliding rod, a first spring, a first electric telescopic rod, a third barrel body, a first sliding block, a first L-shaped sliding rod, a second spring, a second L-shaped sliding rod, a second sliding block and a third spring, so that the L-shaped steel pipes of different models can be quickly clamped, the operation is simple, time and labor are saved, the polishing of the inner wall of the steel pipe is convenient to follow-up, a lantern ring, a second support plate, a sliding rod, a second electric telescopic rod, a motor, a polishing disc, a vertical plate, a limiting ring, a third T, The fourth spring, the third slider, the first rack, the second gear, the rotating shaft, the third gear, the second transverse plate, the barrel, the third L-shaped sliding rod, the second rack, the connecting rod, the fourth dovetail block and the fifth spring can be used for fully polishing the inner walls of two ends of the L-shaped steel pipe when the L-shaped steel pipe is limited according to requirements, so that the working efficiency is improved, and the building use requirements are met.

Drawings

FIG. 1 is a block diagram of the structure of the present invention;

FIG. 2 is a cross-sectional view A-A of the structure of the present invention;

FIG. 3 is a partial left side view of the structure of the present invention;

FIG. 4 is a partial top view of the structure of the present invention;

FIG. 5 is an enlarged view of a portion of the structure of the present invention;

fig. 6 is a partial enlarged view of the structure of the present invention.

In the figure: the device comprises a first support plate 1, a first transverse plate 2, a first dovetail block 3, a box body 4, a second dovetail block 5, a first helical gear 6, a first barrel 7, a first limit ring 8, a first T-shaped slide rod 9, a first helical gear ring 10, a barrel body 11, a circular disk 12, a second limit ring 13, a second helical gear ring 14, a third dovetail block 15, a deep groove ball bearing 16, an arc-shaped plate 17, a baffle plate 18, a second barrel body 19, a second T-shaped slide rod 20, a first spring 21, a first electric telescopic rod 22, a third barrel body 23, a first slide block 24, a first L-shaped slide rod 25, a second spring 26, a second L-shaped slide rod 27, a second slide block 28, a third spring 29, a sleeve ring 30, a second support plate 31, a slide rod 32, a second electric telescopic rod 33, a motor 34, a polishing disk 35, a vertical plate 36, a limit ring 37, a third T-shaped slide rod 38, a fourth spring 39, a third slide block 40, a first rack 41, a second rack 42, The device comprises a rotating shaft 43, a third gear 44, a second transverse plate 45, a cylinder 46, a third L-shaped sliding rod 47, a second rack 48, a connecting rod 49, a fourth dovetail block 50, a fifth spring 51, a first groove 1-1, a first dovetail groove 2-1, a second dovetail groove 4-1, a first sliding groove 11-1, a second sliding groove 12-1, a through hole 12-2, a third dovetail groove 12-3, a groove 40-1 and a fourth dovetail groove 49-1.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings:

as shown in fig. 1, 2, 3, 4, 5 and 6, a high-efficiency polishing device for the inner wall of an end of an L-shaped steel pipe for construction comprises two first supporting plates 1, wherein the extension surfaces of the two first supporting plates 1 are vertical to each other, a plurality of supporting legs are fixedly connected to the bottom surface of one first supporting plate 1, a first transverse plate 2 is fixedly connected to the side wall of one first supporting plate 1, two first dovetail grooves 2-1 are symmetrically formed in the top surface of the first transverse plate 2, first dovetail blocks 3 are arranged in the first dovetail grooves 2-1 in an attached and sliding manner, a box body 4 is arranged in the top surface of the first transverse plate 2 in an attached and sliding manner, a box door is hinged to the side wall of the box body 4, the top surface and the bottom surface of the first dovetail blocks 3 are fixedly connected with the box body 4, the first transverse plate 2 is fixedly connected with the box body 4 through bolts, two second dovetail grooves 4-1 are symmetrically formed in the side wall of the box body 4, and second dovetail blocks 5 are arranged in the, the side wall of the second dovetail block 5 is fixedly connected with the side wall of another first supporting plate 1, two first bevel gears 6 are arranged in the box body 4, the two first bevel gears 6 are meshed and vertical to each other, the side wall of the first bevel gear 6 is fixedly connected with a first barrel body 7, the other end of the first barrel body 7 penetrates out of the box body 4, two first limiting rings 8 are sleeved on the box body 4, the two first limiting rings 8 are positioned at two sides of the box body 4 and are attached to the surface of the box body 4, the first barrel body 7 is rotatably connected with the box body 4, a first T-shaped sliding rod 9 is arranged in the first barrel body 7 in an attaching and sliding mode, the cross section of the first T-shaped sliding rod 9 is square, the other end of the first T-shaped sliding rod 9 penetrates out of the first barrel body 7 and is fixedly sleeved with a first bevel gear ring 10, one side of the first supporting plate 1 is fixedly connected with a barrel body 11, a disc 12 is, the barrel body 11 is fixedly sleeved with two second limiting rings 13, the two second limiting rings 13 are positioned at two sides of the disc 12 and are jointed with the surface of the disc 12, the disc 12 is fixedly sleeved with a second inclined toothed ring 14, the second inclined toothed ring 14 is meshed with the first inclined toothed ring 10, a third dovetail groove 12-3 is annularly formed in the side wall of the disc 12, a third dovetail block 15 is arranged in the third dovetail groove 12-3 in a jointing and sliding manner, a deep groove ball bearing 16 is fixedly embedded in the side wall of the third dovetail block 15, the other end of the first T-shaped sliding rod 9 is fixedly connected with an inner ring of the deep groove ball bearing 16, a pair of arc-shaped plates 17 is arranged on the top surface of the first supporting plate 1, a baffle plate 18 is fixedly connected with the inner wall of the barrel body 11, a second barrel body 19 is fixedly connected in the barrel body 11, a second T-shaped sliding rod 20 is arranged in the second barrel body 19 in a jointing and sliding manner, the section of the second T-, the top end of the second T-shaped sliding rod 20 sequentially penetrates through the second barrel body 19 and the baffle plate 18 to be fixedly connected with the bottom surface of the bottom end arc plate 17, the second T-shaped sliding rod 20 respectively penetrates through the second barrel body 19 and the baffle plate 18 to be in sliding connection, a first spring 21 is arranged in the second barrel body 19, the first spring 21 is a compression spring, a first electric telescopic rod 22 is fixedly connected in the first barrel body 11, the first electric telescopic rod 22 is electrically connected with an external controller through a circuit, the output end of the first electric telescopic rod 22 is fixedly connected with a third barrel body 23, the section of the third barrel body 23 is square, the top end of the third barrel body 23 penetrates through the baffle plate 18, the third barrel body 23 is in sliding connection with the baffle plate 18, the first electric telescopic rod 22 and the second barrel body 19 are arranged in the same barrel body 11, a first sliding block 24 is arranged in the third barrel body 23 in a fitting sliding manner, and the section of the first, the side wall of the top end arc-shaped plate 17 is fixedly connected with a first L-shaped slide bar 25, the bottom end of a vertical bar of the first L-shaped slide bar 25 penetrates into a third barrel body 23 to be fixedly connected with the top surface of a first slide block 24, a second spring 26 is arranged in the third barrel body 23, the top end of the second spring 26 is fixedly connected with the bottom surface of the first slide block 24, the bottom end of the second spring 26 is fixedly connected with the top surface of the output end of a first electric telescopic rod 22, the second spring 26 is an extension spring, the top surface of the top end arc-shaped plate 17 is fixedly connected with a second L-shaped slide bar 27, a second slide block 28 is arranged in another barrel body 11 in a fitting sliding manner, a cross bar of the second L-shaped slide bar 27 penetrates into the barrel body 11 through a baffle plate 18 to be fixedly connected with the side wall of the second slide block 28, a third spring 29 is arranged on the side wall of the second slide block, the third spring 29 is a compression spring, a sleeve ring 30 is fitted on the barrel body 11 in a sliding manner, scales are marked on the side wall of the barrel body 11, a second support plate 31 is arranged on one side of the first support plate 1, two sliding rods 32 are fixedly connected to one side of the second support plate 31, a second electric telescopic rod 33 is fixedly connected to one side of the second support plate 31, the second electric telescopic rod 33 is electrically connected with an external controller through a circuit, the output end of the second electric telescopic rod 33 is fixedly connected with one side of the first support plate 1, a motor 34 is fixedly connected to the other side of the second support plate 31, the motor 34 is electrically connected with the external controller through a circuit, a plurality of polishing disks 35 are fixedly sleeved on the output end of the motor 34 through the second support plate 31, the plurality of polishing disks 35 are gradually away from the motor 34 and have gradually reduced inner diameters, and a vertical plate 36 is, the side wall of the disc 12 is annularly provided with a plurality of threaded holes, the vertical plate 36 and the disc 12 are fixedly connected through threaded holes through bolts, the side wall of the barrel body 11 is provided with a first chute 11-1, a slide block 40 is arranged in the first chute 11-1 in a fitting and sliding manner, the side wall of the slide block 40 is provided with a groove 40-1, the inner wall of the disc 12 is annularly provided with a plurality of second chutes 12-1, one side of the disc 12 is annularly provided with a plurality of through holes 12-2, the diameters of the through holes 12-2 are different, the through holes 12-2 are in one-to-one correspondence with the second chutes 12-1, a third T-shaped sliding rod 38 is arranged in the second chute 12-1 in a fitting and sliding manner, a limit ring 37 is arranged in the second chute 12-1 in a fitting manner, the limit ring 37 is fixedly connected with the side wall of the disc 12, the cross section of the third T-shaped, the other end of the third T-shaped slide bar 38 penetrates through a limiting ring 37 and penetrates into a groove 40-1, the other end of the third T-shaped slide bar 38 is arc-shaped, a fourth spring 39 is arranged in the second chute 12-1, the elastic force of the fourth springs 39 is different, one side of the third slider 40 is fixedly connected with a first rack 41, the first rack 41 is arranged in the first chute 11-1, a second gear 42 is arranged in the first chute 11-1, the second gear 42 is meshed with the first rack 41, a rotating shaft 43 is fixedly arranged in the second gear 42, a first groove 1-1 is formed in one side of the first supporting plate 1, a second transverse plate 45 is arranged in the first groove 1-1, the second transverse plate 45 is fixedly connected with the first supporting plate 1, one end of the slide bar 32 is attached to the side end of the first supporting plate 1, the other end of the slide bar 32 sequentially penetrates through the first supporting plate 1 and the second transverse plate 45 and is fixedly connected with the lantern ring 30, the slide bar 32 is respectively connected with the first supporting plate 1 and the second transverse plate 45 in a sliding manner, the other end of the rotating shaft 43 penetrates out of the barrel body 11 and penetrates into the first groove 1-1 to be fixedly connected with a third gear 44, the rotating shaft 43 is respectively connected with the barrel body 11 and the first supporting plate 1 in a rotating manner, one side of the third gear 44 is attached to one side of the second transverse plate 45, a barrel body 46 is fixedly embedded into one side of the first supporting plate 1, the cross section of the barrel body 46 is circular, the circle center of the barrel body 46 and the circle center of the output end of the motor 34 are positioned on the same straight line, two third L-shaped slide bars 47 are symmetrically arranged in the first sliding chute 11-1, the two third L-shaped slide bars 47 are symmetrically arranged around the circle center of the barrel body 46, one end of each third L-shaped slide bar 47 penetrates into the barrel body 46, the third L-shaped slide bars 47, two second racks 48 are symmetrically arranged on two sides of the third gear 44, the second racks 48 are meshed with the third gear 44, a third L-shaped sliding rod 47 is fixedly connected with the second rack 48, one end of another third L-shaped sliding rod 47 is fixedly connected with a connecting rod 49, the connecting rod 49 is U-shaped, the other end of the connecting rod 49 is fixedly connected with the side end of another second rack 48, a fourth dovetail groove 49-1 is formed in one side of the connecting rod 49, a dovetail block 50 is arranged in the fourth dovetail groove 49-1 in a fitting sliding mode, the side wall of the dovetail block 50 is fixedly connected with the side end of the cylinder 46, a fifth spring 51 is arranged in the fourth dovetail groove 49-1, the fifth spring 51 is a compression spring, and the elastic force of the fourth spring 39 with the minimum elastic force is larger than that of the fifth spring 51.

The thickness of the disc 12 is 10cm-12 cm.

The barrel body 11 and the second barrel body 19 are connected by welding.

The motor 34 is Y2-80M2-4S 150.

The working principle is as follows: when the inner wall of the L-shaped steel pipe needs to be polished, the device is connected with a power supply, then a corresponding through hole 12-2 is selected according to the model of the polished L-shaped steel pipe, a disc 12 rotates on a barrel body 11, the disc 12 drives a plurality of through holes 12-2 to rotate, the disc 12 drives a second helical gear ring 14 to rotate, the second helical gear ring 14 drives a first helical gear ring 10 to rotate, the first helical gear ring 10 drives a first T-shaped slide bar 9 to rotate, the first T-shaped slide bar 9 drives a first barrel body 7 to rotate, the first barrel body 7 drives a first helical gear 6 to rotate, the first helical gear 6 drives another first helical gear 6 to rotate, the other first helical gear 6 drives another first barrel body 7 to rotate, the other first T-shaped slide bar 9 drives another first helical gear ring 10 to rotate, the other first helical gear ring 10 drives another second helical gear ring 14 to rotate, another second bevel ring 14 drives another disc 12 to rotate, another disc 12 drives a plurality of through holes 12-2 on the surface thereof to rotate, thereby realizing adjustment of the plurality of through holes 12-2 on both sides, when the circle center of the corresponding through hole 12-2 is in the same line with the circle center of the cylinder 46, the disc 12 stops rotating, as shown in fig. 1, the vertical plate 36 is fixed with the disc 12 through a bolt, at this time, the disc 12 drives the corresponding second chute 12-1 to rotate and communicate with the first chute 11-1, at this time, the fourth spring 39 pushes the third T-shaped sliding rod 38 to move, the third T-shaped sliding rod 38 moves after gradually inserting into the groove 40-1 and then pushes the third sliding block 40 to move, the third sliding block 40 drives the first rack 41 to move, the first rack 41 drives the second gear 42 to rotate, the second gear 42 drives the rotating shaft 43 to rotate, the rotating shaft 43 drives the third gear 44 to rotate, the third gear 44 drives the second rack 48 to move, a second rack 48 drives a third L-shaped sliding rod 47 to move, another second rack 48 drives a connecting rod 49 to move to extrude a fifth spring 51, the connecting rod 49 drives another third L-shaped sliding rod 47 to move, so that the two third L-shaped sliding rods 47 move oppositely, the elastic force of a plurality of fourth springs 39 is different, so that the third T-shaped sliding rod 38 is pushed to move for different distances, so that the two third L-shaped sliding rods 47 move oppositely indirectly, so that the ports of L-shaped steel pipes of different types are supported, then the L-shaped steel pipe vertical pipes are inserted into the corresponding through holes 12-2, then the L-shaped steel pipe horizontal pipe is placed on the arc-shaped plate 17 at the bottom end, then the controller is operated to enable the first electric telescopic rod 22 to contract, the output end of the first electric telescopic rod 22 drives the second spring 26 to move, the second spring 26 drives the first slide block 24 to move downwards, the first slide block 24 drives the first L-shaped slide rod 25 to move, the first L-shaped slide rod 25 drives the arc-shaped plate 17 at the top end to move gradually downwards to the horizontal L-shaped steel pipe tube, the arc-shaped plate 17 at the top end drives the second L-shaped slide rod 27 to move, the second L-shaped slide rod 27 drives the second slide block 28 to move, the second slide block 28 drives the barrel body 11 to move downwards, the barrel body 11 drives the first support plate 1 to move, the first support plate 1 drives the second dovetail block 5 to slide in the second dovetail groove 4-1, the barrel body 11 drives the disc 12 to move, the disc 12 drives the third dovetail block 15 to move, the third dovetail block 15 drives the deep groove ball bearing 16 to move, the deep groove ball bearing 16 drives the first T-shaped slide rod 9 to slide in the first barrel body 7 to drive the horizontal L-shaped steel pipe tube to move downwards, the horizontal L-shaped steel pipe drives the bottom end arc-shaped plate 17 to move, the arc-shaped plate 17 drives the second T-, when the bottom end of the vertical pipe of the L-shaped steel pipe is attached to the top surfaces of two third L-shaped slide rods 47 at the bottom end, the vertical pipe stops moving, the two third L-shaped slide rods 47 at the bottom end support and limit the L-shaped steel pipe, then the first support plate 1 at one side is pushed to move, the first support plate 1 drives the barrel body 11 to move, the barrel body 11 drives the disc 12 to move, the disc 12 drives the through holes 12-2 at the surface to move, so that the corresponding through holes 12-2 are sleeved on the transverse pipe of the L-shaped steel pipe, the first support plate 1 pushes the box body 4 to move, the box body 4 drives the first barrel body 7 at the side end to move, when the end port of the transverse pipe of the L-shaped steel pipe is attached to the side walls of the two third L-shaped slide rods 47 at the side end, the first support plate 1 at the side end stops moving, then the box body 4 is fixed with the transverse plate, the output end of the second electric telescopic rod 33 contracts to drive the second supporting plate 31 to move, the second supporting plate 31 drives the motor 34 to move, the motor 34 drives the polishing disc 35 to move, so that the polishing disc 35 gradually extends into the vertical pipe of the L-shaped steel pipe, the second supporting plate 31 drives the slide rod 32 to move, the slide rod 32 drives the lantern ring 30 to move on the barrel body 11, the output end of the motor 34 drives the polishing disc 35 to rotate, the scale of the side wall of the barrel body 11 is observed, when the lantern ring 30 moves to the corresponding scale, the operation controller stops the second electric telescopic rod 33 from working, at the moment, the polishing disc 35 with the corresponding diameter enters the steel pipe to polish the inner wall of the L-shaped steel pipe vertical pipe, after the polishing of the inner wall of the L-shaped steel pipe vertical pipe is finished, the operation controller enables the second electric telescopic rod 33 at the bottom end to extend and simultaneously stops the motor 34 at the bottom end, the output end of the second electric telescopic rod, then the controller is operated to enable the second electric telescopic rod 33 and the motor 34 at the side end to start working, the second electric telescopic rod 33 indirectly drives the lantern ring 30 at the side end to slide for a corresponding length and then stop, the second electric telescopic rod 33 indirectly drives the polishing disc 35 to gradually slide into the L-shaped steel tube transverse tube, the output end of the motor 34 drives the polishing disc 35 to rotate to polish the inner wall of the L-shaped steel tube transverse tube, after the polishing of the inner wall of the L-shaped steel tube transverse tube is finished, the second electric telescopic rod 33 at the side end is operated to extend, the motor 34 at the side end is enabled to stop working, after the polishing of the L-shaped steel tube is finished, the bolt between the first transverse plate 2 and the box body 4 is unscrewed, the first support plate 1 at the side end is pulled, the first support plate 1 indirectly drives the disc 12 to move to enable the L-shaped steel tube transverse tube to gradually slide out from the cylinder 46 and the through hole, the output end of the first electric telescopic rod 22 indirectly drives the arc-shaped plate 17 at the top end to move upwards to be separated from the steel pipe, then the L-shaped steel pipe after being polished is taken down, then the inner wall of the L-shaped steel pipe is polished according to the operation, after the L-shaped steel pipe is polished, the operation controller stops all electrical equipment of the device, then the device is separated from a power supply, when the through holes 12-2 with different diameters need to be replaced, the bolts fixed between the vertical plates 36 and the circular discs 12 are unscrewed, then the circular discs 12 are rotated, so that the corresponding through holes 12-2 are converted, the circular discs 12 drive the third T-shaped sliding rods 38 to rotate to gradually slide out of the grooves 40-1, thereby the thrust on the third sliding blocks 40 is cancelled, at the moment, the connecting rods 49 are pushed by the extruded fifth springs 51 to move, the connecting rods 49 drive the third L-shaped sliding rods 47 to move, the connecting rods 49 drive the second racks 48, a second rack 48 indirectly drives another third L-shaped slide bar 47 to move, thereby realizing the back-to-back movement of the two third L-shaped slide bars 47, the second rack 48 indirectly drives the third slide block 40 to move and reset, the next adjustment is convenient, the third barrel body 23, the first slide block 24 and the second spring 26 are arranged to play a role in damping, the third L-shaped slide bar 47 is extruded and damaged when the L-shaped steel pipe is placed to move downwards, the first spacing ring 8, the second spacing ring 13 and the spacing ring 37 are arranged to play a role in limiting, the normal work of the device is ensured, and the first spring 21, the second spring 26, the third spring 29 and the fifth spring 51 are arranged to play a role in resetting.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high efficiency L shape steel pipe end inner wall grinding device for building, includes two first backup pad (1), two first backup pad (1) extension face mutually perpendicular, a plurality of landing legs of a first backup pad (1) bottom surface fixedly connected with, its characterized in that: a first transverse plate (2) is fixedly connected with the side wall of a first supporting plate (1), two first dovetail grooves (2-1) are symmetrically formed in the top surface of the first transverse plate (2), a first dovetail block (3) is arranged in the first dovetail grooves (2-1) in a fitting sliding manner, a box body (4) is arranged in the first transverse plate (2) in a fitting manner, a box door is hinged to the side wall of the box body (4), the top surface and the bottom surface of the first dovetail block (3) are fixedly connected with the box body (4), the first transverse plate (2) is fixedly connected with the box body (4) through bolts, two second dovetail grooves (4-1) are symmetrically formed in the side wall of the box body (4), a second dovetail block (5) is arranged in the second dovetail grooves (4-1) in a fitting sliding manner, the side wall of the second dovetail block (5) is fixedly connected with the side wall of another first supporting plate (1), the novel multifunctional cabinet is characterized in that two first helical gears (6) are arranged in the cabinet body (4), the two first helical gears (6) are meshed with each other, the two first helical gears (6) are perpendicular to each other, the side walls of the first helical gears (6) are fixedly connected with a first cabinet body (7), the other end of the first cabinet body (7) penetrates out of the cabinet body (4), two first limiting rings (8) are sleeved on the cabinet body (4), the two first limiting rings (8) are positioned on two sides of the cabinet body (4) and are attached to the surfaces of the cabinet body (4), the first cabinet body (7) is rotatably connected with the cabinet body (4), a first T-shaped sliding rod (9) is slidably arranged in the first cabinet body (7) in an attaching mode, the cross section of the first T-shaped sliding rod (9) is square, a first helical gear ring (10) is fixedly sleeved on the other end of the first T-shaped sliding rod (9) penetrating out of the first cabinet body, the rotary sleeve is jointed with a disc (12) on the barrel body (11), two second limit rings (13) are fixedly sleeved on the barrel body (11), the two second limit rings (13) are positioned on two sides of the disc (12) and are jointed with the surface of the disc (12), a second oblique toothed ring (14) is fixedly sleeved on the disc (12), the second oblique toothed ring (14) is meshed with the first oblique toothed ring (10), a third dovetail groove (12-3) is annularly formed in the side wall of the disc (12), a third dovetail block (15) is arranged in the third dovetail groove (12-3) in a jointing and sliding manner, a deep groove ball bearing (16) is fixedly embedded in the side wall of the third dovetail block (15), the other end of the first T-shaped sliding rod (9) is fixedly connected with the inner ring of the deep groove ball bearing (16), a pair of arc-shaped plates (17) is arranged on the top surface of the first supporting plate (1), a baffle plate (18) is fixedly connected with the inner wall of the barrel body (, a second barrel body (19) is fixedly connected in the barrel body (11), a second T-shaped sliding rod (20) is arranged in the second barrel body (19) in a fitting sliding manner, the cross section of the second T-shaped sliding rod (20) is square, the top end of the second T-shaped sliding rod (20) sequentially penetrates through the second barrel body (19) and the baffle (18) to be fixedly connected with the bottom surface of the bottom arc-shaped plate (17), the second T-shaped sliding rod (20) respectively penetrates through the second barrel body (19) and the baffle (18) to be slidably connected, a first spring (21) is arranged in the second barrel body (19), the first spring (21) is a compression spring, a first electric telescopic rod (22) is fixedly connected in the barrel body (11), the first electric telescopic rod (22) is electrically connected with an external controller through a circuit, the output end of the first electric telescopic rod (22) is fixedly connected with a third barrel body (23), the cross section of the third barrel body (23) is square, the top end of the third barrel body (23) penetrates through the baffle (18), the third barrel body (23) is in sliding connection with the baffle (18), the first electric telescopic rod (22) and the second barrel body (19) are arranged in the same barrel body (11), a first sliding block (24) is arranged in the third barrel body (23) in a fitting sliding mode, the cross section of the first sliding block (24) is square, a first L-shaped sliding rod (25) is fixedly connected to the side wall of the top end arc-shaped plate (17), the bottom end of a vertical rod of the first L-shaped sliding rod (25) penetrates into the third barrel body (23) and is fixedly connected with the top surface of the first sliding block (24), a second spring (26) is arranged in the third barrel body (23), the top end of the second spring (26) is fixedly connected with the bottom surface of the first sliding block (24), the bottom end of the second spring (26) is fixedly connected with the top surface of the output end of the first electric telescopic rod (22), and the second spring, a second L-shaped sliding rod (27) is fixedly connected to the top surface of the top end arc-shaped plate (17), a second sliding block (28) is arranged in another barrel body (11) in a sliding mode in a fitting mode, a cross rod of the second L-shaped sliding rod (27) penetrates through the baffle (18) and is fixedly connected with the side wall of the second sliding block (28) in the barrel body (11), the cross rod of the second L-shaped sliding rod (27) is connected with the baffle (18) in a sliding mode, a third spring (29) is arranged on the side wall of the second sliding block (28) in a fitting mode, the third spring (29) is arranged in the barrel body (11), the third spring (29) is a compression spring, a lantern ring (30) is sleeved on the barrel body (11) in a fitting mode in a sliding mode, scales are carved on the side wall of the barrel body (11), a second supporting plate (31) is arranged on one side of the first supporting plate (1), two sliding rods (32) are fixedly connected to one side of, the second electric telescopic rod (33) is electrically connected with an external controller through a circuit, the output end of the second electric telescopic rod (33) is fixedly connected with one side of the first supporting plate (1), the other side of the second supporting plate (31) is fixedly connected with a motor (34), the motor (34) is electrically connected with the external controller through the circuit, the output end of the motor (34) penetrates through the second supporting plate (31) and is fixedly sleeved with a plurality of polishing discs (35), the plurality of polishing discs (35) are gradually away from the motor (34) and the inner diameter of the plurality of polishing discs is gradually reduced, a vertical plate (36) is fixedly connected with the top surface of the first supporting plate (1), a plurality of threaded holes are annularly opened on the side wall of the disc (12), the vertical plate (36) and the disc (12) are fixedly connected through threaded holes through bolts, a first sliding groove (11-1) is opened on the side wall of the barrel body (11), a sliding block (40) is arranged in, the side wall of the sliding block (40) is provided with a groove (40-1), the inner wall of the disc (12) is annularly provided with a plurality of second sliding grooves (12-1), one side of the disc (12) is annularly provided with a plurality of through holes (12-2), the diameters of the through holes (12-2) are different, the through holes (12-2) are in one-to-one correspondence with the second sliding grooves (12-1), a third T-shaped sliding rod (38) is arranged in the second sliding groove (12-1) in a fitting and sliding manner, a limiting ring (37) is arranged in the second sliding groove (12-1) in a fitting manner, the limiting ring (37) is fixedly connected with the side wall of the disc (12), the cross section of the third T-shaped sliding rod (38) is square, the other end of the third T-shaped sliding rod (38) penetrates through the limiting ring (37) to penetrate into the groove (40-1), and the other end of the third T-shaped sliding rod (38), be equipped with fourth spring (39) in second spout (12-1), the elasticity dynamics diverse of a plurality of fourth springs (39), the first rack (41) of third slider (40) one side fixedly connected with, first rack (41) sets up in first spout (11-1), be equipped with second gear (42) in first spout (11-1), second gear (42) and first rack (41) meshing, second gear (42) internal fixation is equipped with rotation axis (43), first backup pad (1) one side is opened has first recess (1-1), be equipped with second diaphragm (45) in first recess (1-1), second diaphragm (45) and first backup pad (1) fixed connection, slide bar (32) one end and the laminating of first backup pad (1) side, the slide bar (32) other end passes first backup pad (1) and second diaphragm (45) and lantern ring (30) in proper order Fixed connection, slide bar (32) respectively with first backup pad (1) and second diaphragm (45) sliding connection, the staving (11) is worn out to the rotation axis (43) other end and is penetrated fixedly connected with third gear (44) in first recess (1-1), rotation axis (43) respectively with staving (11) and first backup pad (1) swivelling joint, laminating on one side of third gear (44) and second diaphragm (45), first backup pad (1) one side is fixed to be embedded with barrel (46), shown barrel (46) cross-section is circular, barrel (46) centre of a circle and motor (34) output centre of a circle are in same straight line, first spout (11-1) interior symmetry is equipped with two third L shape slide bars (47), and two third L shape slide bars (47) are the centrosymmetric setting about barrel (46), third L shape slide bar (47) one end penetrates in barrel (46), the third L-shaped sliding rod (47) is in sliding connection with the barrel (46), the cross section of the third L-shaped sliding rod (47) is square, two second racks (48) are symmetrically arranged on two sides of the third gear (44), the second racks (48) are meshed with the third gear (44), one third L-shaped sliding rod (47) is fixedly connected with one second rack (48), one end of the other third L-shaped sliding rod (47) is fixedly connected with a connecting rod (49), the connecting rod (49) is U-shaped, the other end of the connecting rod (49) is fixedly connected with the side end of the other second rack (48), a fourth dovetail groove (49-1) is formed in one side of the connecting rod (49), a dovetail block (50) is arranged in the fourth dovetail groove (49-1) in a fitting sliding manner, the side wall of the dovetail block (50) is fixedly connected with the barrel (46), a fifth spring (51) is arranged in the fourth dovetail groove (49-1), the fifth spring (51) is a compression spring, and the elastic force of the fourth spring (39) with the minimum elastic force is greater than that of the fifth spring (51).

2. The device for grinding the inner wall of the end of the L-shaped steel pipe for the building as claimed in claim 1, wherein: the thickness of the disc (12) is 10cm-12 cm.

3. The device for grinding the inner wall of the end of the L-shaped steel pipe for the building as claimed in claim 1, wherein: the barrel body (11) and the second barrel body (19) are connected in a welding mode.

4. The device for grinding the inner wall of the end of the L-shaped steel pipe for the building as claimed in claim 1, wherein: the motor (34) is Y2-80M2-4S150 in model number.