CN112171274A

CN112171274A - Auxiliary connection equipment for steel pipes of different models

Info

Publication number: CN112171274A
Application number: CN202011076387.0A
Authority: CN
Inventors: 路文文
Original assignee: Fuzhou Jin'an District Getu Technology Co ltd
Current assignee: Fuzhou Jin'an District Getu Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-01-05

Abstract

The invention discloses auxiliary connecting equipment for steel pipes of different types, which comprises a box body, wherein an empty bin is arranged in the box body, a stable measuring mechanism is arranged in the empty bin, the stable measuring mechanism comprises four feeding ports, each two feeding ports are distributed on the left side end wall and the right side end wall of the box body in a group, the two feeding ports in each group are vertically symmetrical by taking the center line of the empty bin as the center, the auxiliary connecting equipment comprises the box body, the auxiliary connecting equipment has the main function that when the existing steel pipe with the required length cannot reach the required steel pipe, two steel pipes are required to be spliced, one steel pipe is used as a reference to measure the inner diameter of the steel pipe, the outer diameter of the other steel pipe is polished to reduce the outer diameter to be slightly smaller than the inner diameter of the steel pipe which is not polished, so that the polished steel pipe can be inserted into the steel pipe which is not polished and then welded, secondly, the connection between the two steel pipes is firmer.

Description

Auxiliary connection equipment for steel pipes of different models

The invention relates to the field related to machine polishing devices, in particular to auxiliary connecting equipment for steel pipes of different types.

Background

Along with the continuous development of society, people's living standard is also improving gradually, the quality and the quantity of the building in the society are also continuously increasing, the use of steel pipe as one of the main materials of building is also more and more extensive, the requirement to the steel pipe is different in most different buildings in different buildings, the length is different, thickness is different very usual, when the existing steel pipe of the steel pipe length that needs can't directly satisfy, generally increase through workman's welding, the ability requirement that needs during the welding is very high, need guarantee that two steel pipes keep steady, and need stabilize motionless, it is very difficult to just rely on one person's work, many people are also very examined simultaneously and are cooperated technical requirement higher.

Disclosure of Invention

The invention aims to provide auxiliary connecting equipment for steel pipes of different types, and solves the problem that the steel pipes are difficult to directly weld.

The invention is realized by the following technical scheme.

The invention relates to auxiliary connecting equipment for steel pipes of different types, which comprises a box body, wherein an empty bin is arranged in the box body, a stability measuring mechanism is arranged in the empty bin, the stability measuring mechanism comprises four feeding ports, each two feeding ports are distributed on the left side end wall and the right side end wall of the box body in a group, the two feeding ports in each group are vertically symmetrical by taking the center line of the empty bin as the center, two piston blocks are arranged in each feeding port, the two piston blocks are vertically symmetrical by taking the center line of the feeding ports as the center, each piston block is in sliding connection with the piston bin, a pressure sensor is arranged in the piston bin, the pressure sensor is fixedly connected to the inner wall of the piston bin, which is far away from the center line of the feeding ports, a piston spring is fixedly connected to the pressure sensor, and the piston block is fixedly connected to the other end of the piston spring, a first stabilizing plate is fixedly connected to the inner wall of the left side of the empty bin, two rotating gears with openings respectively arranged at the upper side and the lower side are arranged in the first stabilizing plate, the two rotating gears are symmetrical by taking a driving shaft as a center, the driving shaft is arranged in the first stabilizing chamber, the first stabilizing chamber is arranged in the first stabilizing plate, a stabilizing spring is arranged in each rotating gear, the stabilizing spring is fixedly connected with the inner wall of one side of the rotating gear, which is far away from the driving shaft, the other end of the stabilizing spring is fixedly connected to a stabilizing rod, the stabilizing rod is slidably connected with the inner wall of the rotating gear, the right end of the first stabilizing plate is slidably connected with two measuring rods, a movable clamping block is fixedly connected to the left end face of each measuring rod, the movable clamping block is slidably connected with a movable clamping groove, the movable clamping groove is arranged in the first stabilizing plate, and two first electromagnets are embedded in the first stabilizing plate, the two first electromagnets are vertically symmetrical by taking the center line of the first stabilizing plate as a center, two connecting springs are arranged at the contact positions of the two measuring rods, the two connecting springs are communicated, a connecting bin is arranged in each connecting spring, two ends of each connecting bin are fixedly connected with the inner wall of one side, far away from the two measuring rod contact lines, of each connecting spring, two first inductors are embedded in each measuring rod, and the two first inductors are bilaterally symmetrical by taking the center line of the measuring rod as the center; the hollow bin is also internally provided with a contrast polishing mechanism which comprises a second stabilizing plate fixedly connected to the inner wall of the right side of the hollow bin, the second stabilizing plate is internally provided with two sliding bins which are centrosymmetrically arranged by taking the driving rotating shaft as a center, the driving rotating shaft is arranged in the second stabilizing bin, the second stabilizing bin is arranged in the second stabilizing plate, each sliding bin is internally provided with a moving spring which is fixedly connected to the inner wall of one side of the sliding bin far away from the driving rotating shaft, the other end of the moving spring is fixedly connected to a sliding rod, the sliding rod is in sliding connection with the inner wall of the sliding bin, the right end surface of the middle rod is fixedly connected with a fixing plate which is internally provided with a guide groove, the right end of the measuring rod is in sliding connection with the guide groove, and the right end surface of the fixing plate is fixedly connected with a third motor, the utility model discloses a polishing machine, including third motor, rotation and grinding wheel, two baffles of fixedly connected with on the right-hand member face of third motor, two on the rotation axis, the baffle uses the rotation axis is symmetry around as the center, still be equipped with two movable warehouses on the grinding wheel, two movable warehouses use the rotation axis is central longitudinal symmetry, every be equipped with the second electro-magnet in the movable warehouse, second electro-magnet fixed connection be in movable warehouse is close on one side inner wall of rotation axis, fixedly connected with activity spring on the second electro-magnet, activity spring's the other end fixedly connected with iron pole of polishing, fixedly connected with blade of polishing on the iron pole of polishing.

Preferably, the stability measuring mechanism further comprises two first hydraulic machines, the two first hydraulic machines are fixedly connected to the inner walls of the upper side and the lower side of the empty bin, the end face of the first hydraulic machine close to the center line of the empty bin is connected with a first hydraulic rod in a sliding manner, the end face of the first hydraulic machine close to the center line of the empty bin is fixedly connected with a first hydraulic tank, a first push rod is further arranged in the first hydraulic tank, one end of the first push rod close to the first hydraulic machine is fixedly connected, the first stabilizing block is fixedly connected to the end face of the first push rod close to the center line of the empty bin, the inner walls of the upper side and the lower side of the empty bin are fixedly connected with an intermediate rod, a clamping groove is formed in the intermediate rod, two rotating rollers are connected in a rolling manner in the clamping groove, the two rotating rollers are symmetrical front and back by taking the measuring rod as a center, and each rotating roller is, the clamping wheel shaft is rotatably connected with the supporting rods, the two supporting rods are respectively and fixedly connected to the front end face and the rear end face of the measuring rod, a first motor is further arranged in the first stabilizing bin, the first motor is fixedly connected to the inner wall of the rear side of the first stabilizing bin, the driving shaft is rotatably connected to the front end face of the first stabilizing bin, the front end of the driving shaft is fixedly connected with a driving gear, the driving gear is meshed with the two first racks, and the two first racks are symmetrical to the circle center of the driving shaft.

Preferably, the photo grinding mechanism further comprises a second motor, the second motor is fixedly connected with the inner wall of the rear side of the second stabilizing bin, the front end surface of the second motor is rotatably connected with a driving rotating shaft, the front end of the driving rotating shaft is fixedly connected with a rotating gear, the rotating gear is meshed with two second racks, the two second racks are symmetrical to the center of the driving rotating shaft, the upper side and the lower side of the second stabilizing plate are respectively provided with a second hydraulic machine, the second hydraulic machines are fixedly connected with the inner walls of the upper side and the lower side of the empty bin, one end of each second hydraulic machine close to the second stabilizing plate is slidably connected with a second hydraulic rod, one end of each second hydraulic machine close to the second stabilizing plate is fixedly connected with a second hydraulic tank, a second hydraulic bin is arranged in each second hydraulic tank, and a second push rod is arranged in each second hydraulic bin, the second push rod is connected with the inner wall of the second hydraulic bin in a sliding mode, one end, far away from the second stabilizing plate, of the second push rod is fixedly connected with the second hydraulic rod, a funnel is arranged below the polishing blade, and a chip outlet which leads to an external space is formed in the funnel.

The invention has the beneficial effects that: the invention has the main effects that when the required length of the steel pipe cannot be reached by the existing steel pipe, two steel pipes are required to be spliced, the inner diameter of one steel pipe is measured by taking the steel pipe as a reference, and the outer diameter of the other steel pipe is polished to reduce the outer diameter to be slightly smaller than the inner diameter of the steel pipe which is not polished, so that the polished steel pipe can be inserted into the steel pipe which is not polished and then welded, firstly, the two steel pipes are relatively and stably welded more conveniently, and secondly, the connection between the two steel pipes is firmer.

Drawings

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

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment of the present invention taken along the line A-A in FIG. 1;

FIG. 3 is a schematic view of the embodiment of the present invention in the direction B-B in FIG. 1;

FIG. 4 is a schematic view of the embodiment of the present invention in the direction of C-C in FIG. 1;

FIG. 5 is a schematic view of the embodiment of the present invention in the direction D-D in FIG. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The auxiliary connection device for steel pipes of different types described with reference to fig. 1-5 comprises a box body 11, an empty bin 12 is arranged in the box body 11, a stable measurement mechanism 101 is arranged in the empty bin 12, the stable measurement mechanism 101 comprises four feeding ports 14, each two feeding ports 14 are distributed on the left and right side end walls of the box body 11 in a group, two feeding ports 14 in each group are vertically symmetrical with the center line of the empty bin 12 as the center, two piston blocks 17 are arranged in each feeding port 14, the two piston blocks 17 are vertically symmetrical with the center line of the feeding port 14 as the center, each piston block 17 is connected with a piston bin 15 in a sliding manner, a pressure sensor 13 is arranged in the piston bin 15, the pressure sensor 13 is fixedly connected to the inner wall of the piston bin 15 on the side far away from the center line of the feeding port 14, a piston spring 16 is fixedly connected to the pressure sensor 13, the other end of the piston spring 16 is fixedly connected with the piston block 17, the left inner wall of the empty bin 12 is fixedly connected with a first stabilizing plate 23, two rotating gears 61 with openings respectively arranged at the upper side and the lower side are arranged in the first stabilizing plate 23, the two rotating gears 61 are symmetrical by taking the driving shaft 24 as the center, the driving shaft 24 is arranged in a first stabilizing bin 29, the first stabilizing bin 29 is arranged in the first stabilizing plate 23, each rotating gear 61 is internally provided with a stabilizing spring 68, the stabilizing spring 68 is fixedly connected with the inner wall of the rotating gear 61 at the side far away from the driving shaft 24, the other end of the stabilizing spring 68 is fixedly connected to a stabilizing rod 27, the stabilizing rod 27 is slidably connected with the inner wall of the rotating gear 61, the right end of the first stabilizing plate 23 is slidably connected with two measuring rods 33, and a moving clamping block 34 is fixedly connected to the left end face of each measuring rod 33, the movable clamping block 34 is slidably connected with the movable clamping groove 30, the movable clamping groove 30 is arranged in the first stabilizing plate 23, two first electromagnets 31 are embedded in the first stabilizing plate 23, the two first electromagnets 31 are vertically symmetrical with the center line of the first stabilizing plate 23 as the center, two connecting springs 36 are arranged at the contact position of the two measuring rods 33, the two connecting springs 36 are communicated, a connecting bin 35 is arranged in each connecting spring 36, two ends of the connecting bin 35 are respectively fixedly connected with the inner walls of the two connecting springs 36, which are far away from the contact lines of the two measuring rods 33, on one side, two first inductors 32 are embedded in each measuring rod 33, the two first inductors 32 are bilaterally symmetrical by taking the center line of the measuring rod 33 as the center, the two stabilizing rods 27 stabilize the steel pipe, and the two measuring rods 33 are separated from each other to abut against the inner diameter of the steel pipe to measure the inner diameter of the steel pipe as the grinding reference; still be equipped with in the vacant lot 12 and compare grinding machanism 102, compare grinding machanism 102 includes second stabilizer plate 56, second stabilizer plate 56 fixed connection in on the right side inner wall of vacant lot 12, be equipped with two slip storehouses 58 in the second stabilizer plate 56, two slip storehouses 58 use drive pivot 60 is central symmetry, drive pivot 60 is established in second stabilizer plate 62, second stabilizer plate 62 is established in second stabilizer plate 56, every be equipped with removal spring 69 in the slip storehouse 58, removal spring 69 fixed connection is in the one side inner wall of keeping away from drive pivot 60 of slip storehouse 58, the other end fixed connection of removal spring 69 is on slide bar 57, slide bar 57 with slip storehouse 58 inner wall sliding connection, fixedly connected with fixed plate 41 on the right-hand member face of intermediate lever 38, be equipped with guide way 40 in the fixed plate 41, the right end of the measuring rod 33 is slidably connected with the guide groove 40, the right end surface of the fixing plate 41 is fixedly connected with a third motor 42, the right end surface of the third motor 42 is rotatably connected with a rotating shaft 45, the rotating shaft 45 is fixedly connected with a polishing wheel 46, the polishing wheel 46 is fixedly connected with two baffle plates 49, the two baffle plates 49 are symmetrical front and back by taking the rotating shaft 45 as a center, the polishing wheel 46 is further provided with two movable bins 70, the two movable bins 70 are symmetrical up and down by taking the rotating shaft 45 as a center, each movable bin 70 is internally provided with a second electromagnet 71, the second electromagnet 71 is fixedly connected with the inner wall of the movable bin 70 close to the rotating shaft 45, the second electromagnet 71 is fixedly connected with a movable spring 72, the other end of the movable spring 72 is fixedly connected with a polishing iron rod 67, and the polishing iron rod 67 is fixedly connected with a polishing blade 48, the third inductor 47 is embedded in the polishing iron rod 67, the polishing blade 48 polishes the polishing steel pipe extending from the left side and performs stable polishing, and the baffle 49 limits the steel pipe to continue extending until the polishing is finished when the third inductor 47 contracts to be mutually sensed with the second inductor 39 on the same plane.

Beneficially, the stability measuring mechanism 101 further includes two first hydraulic machines 18, the two first hydraulic machines 18 are fixedly connected to the inner walls of the upper and lower sides of the empty bin 12, the end surface of the first hydraulic machine 18 close to the central line of the empty bin 12 is slidably connected with a first hydraulic rod 19, the end surface of the first hydraulic machine 18 close to the central line of the empty bin 12 is fixedly connected with a first hydraulic tank 20, a first push rod 21 is further disposed in the first hydraulic tank 20, one end of the first push rod 21 close to the first hydraulic machine 18 is fixedly connected, the first stabilizing block 22 is fixedly connected to the end surface of the first push rod 21 close to the central line of the empty bin 12, the inner walls of the upper and lower sides of the empty bin 12 are fixedly connected with an intermediate rod 38, a clamping groove 37 is disposed in the intermediate rod 38, two rotating rollers 65 are disposed in the clamping groove 37, the two rotating rollers 65 are symmetrical front and back around the measuring rod 33 as the center, each rotating roller 65 is fixedly connected to a wheel clamping shaft 64, the wheel clamping shaft 64 is rotatably connected to a support rod 66, the two support rods 66 are respectively fixedly connected to the front and rear end faces of the measuring rod 33, a first motor 26 is further arranged in the first stabilizing bin 29, the first motor 26 is fixedly connected to the inner wall of the rear side of the first stabilizing bin 29, the driving shaft 24 is rotatably connected to the front end face of the first stabilizing bin 29, a driving gear 25 is fixedly connected to the front end of the driving shaft 24, the driving gear 25 is meshed with the two first racks 28, and the two first racks 28 are symmetrical to the center of the driving shaft 24.

Advantageously, the photo grinding mechanism 102 further includes a second motor 63, the second motor 63 is fixedly connected to a rear inner wall of the second stabilizing chamber 62, a driving rotating shaft 60 is rotatably connected to a front end surface of the second motor 63, a rotating gear 61 is fixedly connected to a front end of the driving rotating shaft 60, the rotating gear 61 is engaged with two second racks 59, the two second racks 59 are symmetrical about a center of the driving rotating shaft 60, one second hydraulic machine 50 is respectively disposed on each of upper and lower sides of the second stabilizing plate 56, the second hydraulic machine 50 is fixedly connected to upper and lower inner walls of the empty chamber 12, one end of the second hydraulic machine 50 close to the second stabilizing plate 56 is slidably connected with a second hydraulic rod 53, one end of the second hydraulic machine 50 close to the second stabilizing plate 56 is fixedly connected with a second hydraulic tank 51, a second hydraulic chamber 52 is disposed in the second hydraulic tank 51, a second push rod 54 is arranged in the second hydraulic chamber 52, the second push rod 54 is connected with the inner wall of the second hydraulic chamber 52 in a sliding manner, one end, far away from the second stabilizing plate 56, of the second push rod 54 is fixedly connected with the second hydraulic rod 53, a funnel 43 is arranged below the grinding blade 48, and a chip outlet 44 which leads to the external space is arranged in the funnel 43.

In the initial state, the piston spring 16 and the connecting spring 36 are in the normal state, the upper stabilizing spring 68 and the lower movable spring 72 are in the extended state, and the lower stabilizing spring 68 and the upper movable spring 72 are in the compressed state.

Application method

An operator stretches a steel pipe used as a reference from the two feeding ports 14 on the left side, the two piston blocks 17 shrink into the piston bin 15 under the action of pressure, the piston spring 16 is compressed, so that the pressure sensor 13 senses the pressure, at the moment, the first motor 26 starts to work to drive the driving shaft 24 to rotate, the driving gear 25 starts to rotate due to the rotation of the driving shaft 24, the driving gear 25 drives the two first racks 28 to move, the first rack 28 drives the stabilizer bar 27 to move, the stabilizer bar 27 moving towards two sides supports the stretched reference steel pipe to play a stabilizing role, the first hydraulic machine 18 starts to work to enable the first hydraulic rod 19 to stretch to push the first push rod 21, the first push rod 21 pushes the first stabilizer block 22 to move towards the steel pipe to enable the steel pipe to keep a horizontal stable state, the first electromagnet 31 is electrified to move the clamping block 34 to attract, and the two movable clamping blocks 34 are separated from each other, the two measuring rods 33 are separated from each other, the connecting bin 35 is stretched, the separated measuring rods 33 abut against the inner diameter of the reference steel pipe, the first sensors 32 are separated to abut against the inner diameter of the reference steel pipe, the distance between the two first sensors 32 represents the inner diameter of the reference steel pipe, the distance between the two second sensors 39 is the same as the distance between the two first sensors 32, and after the measurement reference work is finished, the steel pipe to be polished extends into the feeding port 14 on the right side.

The grinding steel pipe provides a supporting force for the two piston blocks 17 on the right, the two piston blocks 17 are separated from each other to compress the piston spring 16 on the right, the pressure sensor 13 on the right senses the pressure and then the second motor 63 works to drive the driving rotating shaft 60 to rotate, the driving rotating shaft 60 drives the rotating gear 61 fixed with the driving rotating shaft to rotate, the rotating gear 61 drives the second rack 59 to move, the second rack 59 drives the sliding rod 57 to move, the mutually separated sliding rod 57 supports the steel pipe to be ground, the second hydraulic press 50 works to extend the second hydraulic press 53, the second hydraulic press 53 pushes the second push rod 54 to move to drive the second stabilizing block 55 to move, the two mutually close second stabilizing blocks 55 clamp and stabilize the extending grinding steel pipe, the steel pipe extends to the baffle 49 and is supported against the rotating shaft 45, the rotating shaft 45 drives the grinding wheel 46 to rotate, the pivoted iron pole 67 that polishes drives the blade 48 and rotates, the pivoted blade 48 that polishes stretches into the steel pipe, second electro-magnet 71 circular telegram work gives iron pole 67 an appeal of polishing, two iron poles 67 that polish begin to be close to each other and polish the steel pipe gradually, the iron shoe that polishes out falls out the exterior space through going out bits mouth 44, the degree of polishing as the steel pipe makes the third inductor 47 in the iron pole 67 of polishing reach with the same water flat line of second inductor 39, polish and target in place third motor 42 stop work, the position of centre gripping steel pipe is got back to original position and is withdrawed the steel pipe, weld two steel pipe splices after one, make the welding more stable firm, and convenient and fast.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an auxiliary connection equipment to different model steel pipes, includes the box, its characterized in that: the box body is internally provided with an empty bin, the empty bin is internally provided with a stability measuring mechanism, the stability measuring mechanism comprises four feeding ports, every two feeding ports are distributed on the left and right side end walls of the box body in a group, every two feeding ports in each group are vertically symmetrical by taking the center line of the empty bin as the center, every feeding port is internally provided with two piston blocks, every two piston blocks are vertically symmetrical by taking the center line of the feeding ports as the center, every piston block is in sliding connection with the piston bin, the piston bin is internally provided with a pressure sensor which is fixedly connected on the inner wall of one side of the piston bin far away from the center line of the feeding ports, a piston spring is fixedly connected on the pressure sensor, the other end of the piston spring is fixedly connected with the piston block, the inner wall of the left side of the empty bin is fixedly connected with a first stabilizing plate, and the first stabilizing plate is internally provided with two rotating gears with two openings which respectively face the upper, the two rotating gears are symmetrical by taking the driving shaft as a center, the driving shaft is arranged in a first stabilizing bin, the first stabilizing bin is arranged in a first stabilizing plate, a stabilizing spring is arranged in each rotating gear, the stabilizing spring is fixedly connected with the inner wall of one side of the rotating gear, which is far away from the driving shaft, the other end of the stabilizing spring is fixedly connected onto a stabilizing rod, the stabilizing rod is slidably connected with the inner wall of the rotating gear, the right end of the first stabilizing plate is slidably connected with two measuring rods, a movable clamping block is fixedly connected onto the left end face of each measuring rod, the movable clamping block is slidably connected with a movable clamping groove, the movable clamping groove is arranged in the first stabilizing plate, two first electromagnets are embedded in the first stabilizing plate, the two first electromagnets are vertically symmetrical by taking the center line of the first stabilizing plate as the center, and two connecting springs are arranged at the contact position of the two measuring rods, the two connecting springs are communicated, a connecting bin is arranged in each connecting spring, two ends of each connecting bin are fixedly connected with the inner wall of one side, far away from the two measuring rod contact lines, of each connecting spring respectively, two first inductors are embedded in each measuring rod, and the two first inductors are bilaterally symmetrical by taking the center line of the measuring rod as a center; the hollow bin is also internally provided with a contrast polishing mechanism which comprises a second stabilizing plate fixedly connected to the inner wall of the right side of the hollow bin, the second stabilizing plate is internally provided with two sliding bins which are centrosymmetrically arranged by taking the driving rotating shaft as a center, the driving rotating shaft is arranged in the second stabilizing bin, the second stabilizing bin is arranged in the second stabilizing plate, each sliding bin is internally provided with a moving spring which is fixedly connected to the inner wall of one side of the sliding bin far away from the driving rotating shaft, the other end of the moving spring is fixedly connected to a sliding rod, the sliding rod is in sliding connection with the inner wall of the sliding bin, the right end surface of the middle rod is fixedly connected with a fixing plate which is internally provided with a guide groove, the right end of the measuring rod is in sliding connection with the guide groove, and the right end surface of the fixing plate is fixedly connected with a third motor, the utility model discloses a polishing machine, including third motor, rotation and grinding wheel, two baffles of fixedly connected with on the right-hand member face of third motor, two on the rotation axis, the baffle uses the rotation axis is symmetry around as the center, still be equipped with two movable warehouses on the grinding wheel, two movable warehouses use the rotation axis is central longitudinal symmetry, every be equipped with the second electro-magnet in the movable warehouse, second electro-magnet fixed connection be in movable warehouse is close on one side inner wall of rotation axis, fixedly connected with activity spring on the second electro-magnet, activity spring's the other end fixedly connected with iron pole of polishing, fixedly connected with blade of polishing on the iron pole of polishing.

2. The auxiliary connecting device for steel pipes of different models according to claim 1, wherein: the stability measuring mechanism further comprises two first hydraulic presses, the two first hydraulic presses are fixedly connected to the inner walls of the upper side and the lower side of the empty bin, a first hydraulic rod is connected to the end face, close to the center line of the empty bin, of the first hydraulic press in a sliding mode, a first hydraulic box is fixedly connected to the end face, close to the center line of the empty bin, of the first hydraulic press, a first push rod is further arranged in the first hydraulic box, one end, close to the first hydraulic press, of the first push rod is fixedly connected, a first stabilizing block is fixedly connected to the end face, close to the center line of the empty bin, of the first push rod, an intermediate rod is fixedly connected to the inner walls of the upper side and the lower side of the empty bin, a clamping groove is formed in the intermediate rod, two rotating rollers are connected to the clamping groove in a rolling mode, the two rotating rollers are symmetrical front and back with the measuring rod as, the clamping wheel shaft is rotatably connected with the supporting rods, the two supporting rods are respectively and fixedly connected to the front end face and the rear end face of the measuring rod, a first motor is further arranged in the first stabilizing bin, the first motor is fixedly connected to the inner wall of the rear side of the first stabilizing bin, the driving shaft is rotatably connected to the front end face of the first stabilizing bin, the front end of the driving shaft is fixedly connected with a driving gear, the driving gear is meshed with the two first racks, and the two first racks are symmetrical to the circle center of the driving shaft.

3. The auxiliary connecting device for steel pipes of different models according to claim 1, wherein: the contrast grinding mechanism further comprises a second motor, the second motor is fixedly connected with the inner wall of the rear side of the second stabilizing bin, the front end face of the second motor is rotatably connected with a driving rotating shaft, the front end of the driving rotating shaft is fixedly connected with a rotating gear, the rotating gear is meshed with two second racks, the two second racks are symmetrical with the circle center of the driving rotating shaft, the upper side and the lower side of the second stabilizing plate are respectively provided with a second hydraulic machine, the second hydraulic machines are fixedly connected with the inner wall of the upper side and the lower side of the empty bin, one end of each second hydraulic machine close to the second stabilizing plate is slidably connected with a second hydraulic rod, one end of each second hydraulic machine close to the second stabilizing plate is fixedly connected with a second hydraulic tank, a second hydraulic bin is arranged in each second hydraulic tank, a second push rod is arranged in each second hydraulic bin, and the second push rod is slidably connected with the inner wall of each second hydraulic bin, one end, far away from the second stabilizing plate, of the second push rod is fixedly connected with the second hydraulic rod, a funnel is arranged below the polishing blade, and a chip outlet which leads to an external space is arranged in the funnel.