CN104492865A - Roller flexibility correction device with balancing device - Google Patents

Roller flexibility correction device with balancing device Download PDF

Info

Publication number
CN104492865A
CN104492865A CN201410656945.9A CN201410656945A CN104492865A CN 104492865 A CN104492865 A CN 104492865A CN 201410656945 A CN201410656945 A CN 201410656945A CN 104492865 A CN104492865 A CN 104492865A
Authority
CN
China
Prior art keywords
roll body
cylinder block
roller
central tube
dovetail groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410656945.9A
Other languages
Chinese (zh)
Inventor
方远兵
郑俊杰
唐福生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SICHUAN YOUKE COMMUNICATION TECHNOLOGY Co Ltd
Original Assignee
SICHUAN YOUKE COMMUNICATION TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SICHUAN YOUKE COMMUNICATION TECHNOLOGY Co Ltd filed Critical SICHUAN YOUKE COMMUNICATION TECHNOLOGY Co Ltd
Priority to CN201410656945.9A priority Critical patent/CN104492865A/en
Publication of CN104492865A publication Critical patent/CN104492865A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

The invention discloses a roller flexibility correction device with a balancing device. The roller flexibility correction device comprises a center cylinder, an air compressor is fixedly mounted in the center cylinder, barrels are uniformly distributed on the outer periphery of the center cylinder, each barrel is partitioned by a partition plate to form a mounting portion and a telescoping portion, an air cylinder block is mounted in each mounting portion, an outlet of the air compressor is connected with each air cylinder block, and a piston rod of each air cylinder block penetrates through the corresponding partition plate to enter the corresponding telescoping portion. The telescoping portions are provided with telescoping holes integrally in conical frustum shapes, ejector rods connected with the air cylinder blocks are fittingly arranged in the telescoping holes with small upper-end diameters and large lower-end diameters. Hollow supporting barrels are uniformly mounted along the periphery of the outer wall of the center cylinder, springs are internally sleeved by the supporting barrels which are provided with supporting rods, one end of each supporting rod is inserted into the corresponding supporting barrel to make contact with the corresponding spring while the other end of each supporting rod is connected with a balancing ring, and each balancing ring is provided with a mounting groove for mounting of a balancing rod. The roller flexibility correction device can be steadily mounted in a roller to correct flexibility deformation of the roller, and precision in correction of flexibility deformation of the roller is improved.

Description

The flexible means for correcting of a kind of roll body with bascule
Technical field
The present invention relates to roll body flexible deformation calibration equipment, being specifically related to the flexible means for correcting of a kind of roll body with bascule for correcting roll body flexible deformation.
Background technology
Roll body is requisite device in various main equipment, such as at paper machine, ball mill etc., and along with the raising of production efficiency, roll body diameter in the equipment such as paper machine, ball mill is increasing, in order to ensure equipment security of operation, require that the amount of deflection of roller center is when rotated little as far as possible, such guarantee crudy, can not nuisance vibration be caused simultaneously.
At present, the roller that diameter is large adopts two sections of traditional dynamic balance methods cannot eliminate the amount of deflection at roller center place, and because roller diameter is larger, rotary speed is high, the bascule installed additional in the middle of roller must be fixed, the bascule installed additional in the middle of the roller must be fixed, when rod rotates can not and roll body inwall between produce relative motion.
Application number be 201120534887.4 utility model patent disclose and a kind ofly correct the device rotating roll body flexible deformation, comprise inner ring, inner ring there is the pipe that 8-12 square, support ring one end puts the tube wall in inner ring into, inner ring cylindrical there are six round steel be evenly arranged, round steel one end endoporus is screwed hole, support bar one end is external screw thread, support bar one end external screw thread is contained in the round steel screwed hole in inner ring, rotary support bar makes to move up and down along the round steel in inner ring, spring is contained on the circular round pipes on support ring, support ring there is the U-lag installing haltere.
Correct although this equipment can carry out correction to roll body flexibility by haltere, by support bar and spring, this device is loaded roll body centre position, there is following problem.
One, support bar rotates by artificial the length regulating support bar, cause the length of each support bar cannot ensure unanimously, the power causing each support bar to bear is each different, can be moved under roll body High Rotation Speed, thus make, between this device and roll body, relative sliding occurs, roll body flexible deformation can not be corrected out accurately.
Two, under the effect of roll body High Rotation Speed, can there is the phenomenon of bending in spring, thus affect the laminating of haltere and roll body inwall under the influence of centrifugal force.
Three, due under High Rotation Speed effect, the slide cartridge that support bar is mated, because centrifugal effect, easily tilts and occurs the phenomenon of " stuck "; Simultaneously in order to ensure that support bar and between roll body does not slide, needing to regulate support bar length to cause in the process rotated at roll body can not slide, but after completing correction, when withdrawing device, very inconvenient.
Four, under High Rotation Speed, due to the existence of mismachining tolerance and the impact of material, barycenter can not with the dead in line of inner ring, thus cause the vibrations of device, the accuracy that impact corrects.
Summary of the invention
The present invention rotates to solve existing correction the problem that the installation of roll body flexible deformation device can produce relative sliding built on the sand and easily, and provide a kind of roll body with bascule flexible means for correcting, the roll body inside that is arranged on that can be firm corrects roll body flexible deformation, thus ensure the correction accuracy of roll body flexible deformation, be convenient to dismounting; Can balance adjustment be carried out simultaneously, reduce the vibrations of device, improve the accuracy corrected.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
The flexible means for correcting of a kind of roll body with bascule, it is characterized in that, comprise central tube, central tube inside is installed with air compressor, the excircle of described central tube is evenly equipped with cylindrical shell, and described cylindrical shell is divided into installation portion and pars contractilis through dividing plate, is provided with cylinder block in installation portion, the outlet of air compressor connects cylinder block, and the piston rod of cylinder block enters pars contractilis through dividing plate; Described pars contractilis is provided with that upper end bore is little, lower end bore is large, overall in round table-like telescopic hole, is provided with push rod that is suitable with telescopic hole and that be connected with the piston rod of cylinder block in telescopic hole; The outer wall along the circumferential direction uniform support tube being provided with hollow of described cylindrical shell, spring is arranged with in described support tube, described support tube is equipped with support bar, described support bar one end to insert in support tube and and spring contact, the other end is connected with gimbal, and described gimbal is provided with the mounting groove for installing haltere; The cylindrical shell and the support tube that are distributed on central tube outer wall are connected with the endless belt concentric with central tube, described endless belt offers dovetail groove, the bottom of dovetail groove is evenly equipped with installing hole, and described dovetail groove is equipped with the import for putting into balance weight, and balance weight is arranged on endless belt through installing hole.
Further, described dovetail groove be provided with angle index.
Further, described push rod is connected with curved support plate, and the outer arc radius of described curved support plate is identical with the internal diameter of roll body.
Further, the extrados of described curved support plate is provided with rubber buffer, and described rubber buffer is provided with anti-slip veins.
Further, be provided with pressure sensor in described rubber buffer, described pressure sensor is electrically connected with outside controller.
Compared with prior art, the present invention has following beneficial effect:
The flexible means for correcting of roll body with bascule of the present invention, comprise central tube, central tube inside is installed with air compressor, the excircle of described central tube is evenly equipped with cylindrical shell, described cylindrical shell is divided into installation portion and pars contractilis through dividing plate, be provided with cylinder block in installation portion, the outlet of air compressor connects cylinder block, and the piston rod of cylinder block enters pars contractilis through dividing plate; Described pars contractilis is provided with that upper end bore is little, lower end bore is large, overall in round table-like telescopic hole, is provided with push rod that is suitable with telescopic hole and that be connected with the piston rod of cylinder block in telescopic hole; The outer wall along the circumferential direction uniform support tube being provided with hollow of described cylindrical shell, spring is arranged with in described support tube, described support tube is equipped with support bar, described support bar one end to insert in support tube and and spring contact, the other end is connected with gimbal, and described gimbal is provided with the mounting groove for installing haltere; The cylindrical shell and the support tube that are distributed on central tube outer wall are connected with the endless belt concentric with central tube, described endless belt offers dovetail groove, the bottom of dovetail groove is evenly equipped with installing hole, and described dovetail groove is equipped with the import for putting into balance weight, and balance weight is arranged on endless belt through installing hole.By air compressor, compressed air is passed into the inwall in cylinder block, push rod being fastened on roll body, make the active force of each push rod consistent, ensure that the active force that each push rod contacts with roll body is consistent, and the size of control action power can be carried out by air compressor, pretightning force is controlled accurately according to different situations, thus guarantee the firm inwall being arranged on roll body, prevent the phenomenon with roll body relative sliding, thus guarantee to correct roll body flexible deformation accurately.The telescopic hole of the pars contractilis of cylindrical shell of the present invention is round table-like simultaneously, makes the telescopic hole of push rod and cylindrical shell be not easy to occur stuck phenomenon, simultaneously in the process of dismounting, because telescopic hole upper end is little, lower end is large, under the drive of piston rod, convenient by push rod withdrawal, improve practicality of the present invention.
The present invention is distributed on the cylindrical shell of central tube outer wall and support tube is connected with the body concentric endless belt with cylinder, described endless belt offers dovetail groove, the bottom of dovetail groove is evenly equipped with installing hole, and described dovetail groove is equipped with the import for putting into balance weight, and balance weight is arranged on endless belt through installing hole.Between loading roll body inside, regulate the length of push rod of the present invention, support bar suitable to the distance between the distance of push rod or supporting bar top and central tube axis to roll body inwall to central tube axis, and be arranged on blance test platform and carry out blance test, after finding out non-equilibrium site, appropriate balance weight is put into the dovetail groove of endless belt through import, be arranged on endless belt through installing hole and carry out blance test again, until meet blance test requirement.Thus make the present invention can cause the vibrations of device because of the skew of barycenter, improve the accuracy corrected.The present invention, by arranging dovetail groove, can improve the tightness of balance weight, prevents coming off of balance weight, the installing hole be simultaneously evenly arranged, and makes the present invention be convenient to regulate.
Dovetail groove of the present invention be provided with angle index, be convenient to carry out recording and adjusting, improve the efficiency of balance test.
The present invention is connected with curved support plate in the end of push rod, increases the contact area with roll body, improves the tightness between roll body further, prevents the situation of slip.
Support bar one end of the present invention to insert in support tube and and spring contact, the other end is connected with gimbal, and gimbal is provided with the U-lag for installing haltere.Spring housing is located at the inside of support bar, prevents the distortion at high-speed rotation lower spring, thus ensure that haltere can be close to roll body inwall, improve the effect corrected.Spring is contained in the inside of support bar simultaneously, the influence of crust deformation of centrifugal force to spring can be reduced, improve the precision of correction further.
The extrados of curved support plate of the present invention is provided with rubber buffer, and rubber buffer is provided with anti-slip veins.The active force between curved support plate and roll body is cushioned by rubber buffer, prevent curved support plate from damaging roll body inwall, active force between anti-slip veins raising with roll body is set simultaneously on rubber buffer, prevents the phenomenon of slip, thus improve the correction accuracy of roll body deflection deformation.
Rubber buffer of the present invention is provided with pressure sensor, the active force between roll body can be judged accurately by pressure sensor, ensure that the active force between roll body can either prevent the phenomenon of slip, the impact that excessive hydraulic coupling is brought can be prevented again.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation that the present invention is arranged in roll body;
Mark in figure: 1, air compressor, 2, support tube, 3, central tube, 4, cylindrical shell, 5, installation portion, 6, dividing plate, 7, pars contractilis, 8, spring, 9, support bar, 10, balance weight, 11, the piston rod of cylinder block, 12, push rod, 13, import, 14, gimbal, 15, dovetail groove, 16, endless belt, 17, roll body.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, and described embodiment is only the present invention's part embodiment, is not whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments used obtained under creative work prerequisite, belongs to protection scope of the present invention.
The flexible means for correcting of roll body with bascule of the present invention, comprise central tube, central tube inside is installed with air compressor, the excircle of described central tube is evenly equipped with cylindrical shell, described cylindrical shell is divided into installation portion and pars contractilis through dividing plate, be provided with cylinder block in installation portion, the outlet of air compressor connects cylinder block, and the piston rod of cylinder block enters pars contractilis through dividing plate; Described pars contractilis is provided with that upper end bore is little, lower end bore is large, overall in round table-like telescopic hole, is provided with push rod that is suitable with telescopic hole and that be connected with the piston rod of cylinder block in telescopic hole; The outer wall along the circumferential direction uniform support tube being provided with hollow of described cylindrical shell, spring is arranged with in described support tube, described support tube is equipped with support bar, described support bar one end to insert in support tube and and spring contact, the other end is connected with gimbal, and described gimbal is provided with the mounting groove for installing haltere; The cylindrical shell and the support tube that are distributed on central tube outer wall are connected with the endless belt concentric with central tube, described endless belt offers dovetail groove, the bottom of dovetail groove is evenly equipped with installing hole, and described dovetail groove is equipped with the import for putting into balance weight, and balance weight is arranged on endless belt through installing hole.Compressed air also can be passed into cylinder block by outside compressed air reservoir and carry out work by cylinder block of the present invention.
Further, described dovetail groove be provided with angle index.
Further, described push rod is connected with curved support plate, and the outer arc radius of described curved support plate is identical with the internal diameter of roll body.
Further, the extrados of described curved support plate is provided with rubber buffer, and described rubber buffer is provided with anti-slip veins.
Further, be provided with pressure sensor in described rubber buffer, described pressure sensor is electrically connected with outside controller.
The flexible means for correcting of roll body with bascule of the present invention, comprise central tube, central tube inside is installed with air compressor, the excircle of described central tube is evenly equipped with cylindrical shell, described cylindrical shell is divided into installation portion and pars contractilis through dividing plate, be provided with cylinder block in installation portion, the outlet of air compressor connects cylinder block, and the piston rod of cylinder block enters pars contractilis through dividing plate; Described pars contractilis is provided with that upper end bore is little, lower end bore is large, overall in round table-like telescopic hole, is provided with push rod that is suitable with telescopic hole and that be connected with the piston rod of cylinder block in telescopic hole; The outer wall along the circumferential direction uniform support tube being provided with hollow of described cylindrical shell, spring is arranged with in described support tube, described support tube is equipped with support bar, described support bar one end to insert in support tube and and spring contact, the other end is connected with gimbal, and described gimbal is provided with the mounting groove for installing haltere; The cylindrical shell and the support tube that are distributed on central tube outer wall are connected with the endless belt concentric with central tube, described endless belt offers dovetail groove, the bottom of dovetail groove is evenly equipped with installing hole, and described dovetail groove is equipped with the import for putting into balance weight, and balance weight is arranged on endless belt through installing hole.By air compressor, compressed air is passed into the inwall in cylinder block, push rod being fastened on roll body, make the active force of each push rod consistent, ensure that the active force that each push rod contacts with roll body is consistent, and the size of control action power can be carried out by air compressor, pretightning force is controlled accurately according to different situations, thus guarantee the firm inwall being arranged on roll body, prevent the phenomenon with roll body relative sliding, thus guarantee to correct roll body flexible deformation accurately.The telescopic hole of the pars contractilis of cylindrical shell of the present invention is round table-like simultaneously, makes the telescopic hole of push rod and cylindrical shell be not easy to occur stuck phenomenon, simultaneously in the process of dismounting, due under telescopic hole upper end, lower end is large, under the drive of piston rod, convenient by push rod withdrawal, improve practicality of the present invention.
The present invention is distributed on the cylindrical shell of central tube outer wall and support tube is connected with the body concentric endless belt with cylinder, described endless belt offers dovetail groove, the bottom of dovetail groove is evenly equipped with installing hole, and described dovetail groove is equipped with the import for putting into balance weight, and balance weight is arranged on endless belt through installing hole.Between loading roll body inside, regulate the length of push rod of the present invention, support bar suitable to the distance between the distance of push rod or supporting bar top and central tube axis to roll body inwall to central tube axis, and be arranged on blance test platform and carry out blance test, after finding out non-equilibrium site, appropriate balance weight is put into the dovetail groove of endless belt through import, be arranged on endless belt through installing hole and carry out blance test again, until meet blance test requirement.Thus make the present invention can cause the vibrations of device because of the skew of barycenter, improve the accuracy corrected.The present invention, by arranging dovetail groove, can improve the tightness of balance weight, prevents coming off of balance weight, the installing hole be simultaneously evenly arranged, and makes the present invention be convenient to regulate.
Dovetail groove of the present invention be provided with angle index, be convenient to carry out recording and adjusting, improve the efficiency of balance test.
The present invention is connected with curved support plate in the end of push rod, increases the contact area with roll body, improves the tightness between roll body further, prevents the situation of slip.
Support bar one end of the present invention to insert in support tube and and spring contact, the other end is connected with gimbal, and gimbal is provided with the U-lag for installing haltere.Spring housing is located at the inside of support bar, prevents the distortion at high-speed rotation lower spring, thus ensure that haltere can be close to roll body inwall, improve the effect corrected.Spring is contained in the inside of support bar simultaneously, the influence of crust deformation of centrifugal force to spring can be reduced, improve the precision of correction further.
The extrados of curved support plate of the present invention is provided with rubber buffer, and rubber buffer is provided with anti-slip veins.The active force between curved support plate and roll body is cushioned by rubber buffer, prevent curved support plate from damaging roll body inwall, active force between anti-slip veins raising with roll body is set simultaneously on rubber buffer, prevents the phenomenon of slip, thus improve the correction accuracy of roll body deflection deformation.
Rubber buffer of the present invention is provided with pressure sensor, the active force between roll body can be judged accurately by pressure sensor, ensure that the active force between roll body can either prevent the phenomenon of slip, the impact that excessive hydraulic coupling is brought can be prevented again.

Claims (5)

1. the flexible means for correcting of the roll body with bascule, it is characterized in that, comprise central tube, central tube inside is installed with air compressor, the excircle of described central tube is evenly equipped with cylindrical shell, and described cylindrical shell is divided into installation portion and pars contractilis through dividing plate, is provided with cylinder block in installation portion, the outlet of air compressor connects cylinder block, and the piston rod of cylinder block enters pars contractilis through dividing plate; Described pars contractilis is provided with that upper end bore is little, lower end bore is large, overall in round table-like telescopic hole, is provided with push rod that is suitable with telescopic hole and that be connected with the piston rod of cylinder block in telescopic hole; The outer wall along the circumferential direction uniform support tube being provided with hollow of described cylindrical shell, spring is arranged with in described support tube, described support tube is equipped with support bar, described support bar one end to insert in support tube and and spring contact, the other end is connected with gimbal, and described gimbal is provided with the mounting groove for installing haltere; The cylindrical shell and the support tube that are distributed on central tube outer wall are connected with the endless belt concentric with central tube, described endless belt offers dovetail groove, the bottom of dovetail groove is evenly equipped with installing hole, and described dovetail groove is equipped with the import for putting into balance weight, and balance weight is arranged on endless belt through installing hole.
2. the flexible means for correcting of the roll body with bascule according to claim 1, is characterized in that, described dovetail groove be provided with angle index.
3. the flexible means for correcting of the roll body with bascule according to claim 2, it is characterized in that, described push rod is connected with curved support plate, and the outer arc radius of described curved support plate is identical with the internal diameter of roll body.
4. the flexible means for correcting of the roll body with bascule according to claim 3, it is characterized in that, the extrados of described curved support plate is provided with rubber buffer, and described rubber buffer is provided with anti-slip veins.
5. the flexible means for correcting of the roll body with bascule according to claim 4, it is characterized in that, be provided with pressure sensor in described rubber buffer, described pressure sensor is electrically connected with outside controller.
CN201410656945.9A 2014-11-18 2014-11-18 Roller flexibility correction device with balancing device Pending CN104492865A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410656945.9A CN104492865A (en) 2014-11-18 2014-11-18 Roller flexibility correction device with balancing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410656945.9A CN104492865A (en) 2014-11-18 2014-11-18 Roller flexibility correction device with balancing device

Publications (1)

Publication Number Publication Date
CN104492865A true CN104492865A (en) 2015-04-08

Family

ID=52934365

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410656945.9A Pending CN104492865A (en) 2014-11-18 2014-11-18 Roller flexibility correction device with balancing device

Country Status (1)

Country Link
CN (1) CN104492865A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110935756A (en) * 2019-11-15 2020-03-31 伊莱特能源装备股份有限公司 Shaping tool used in manufacturing process of ultra-large integral ring forging and using method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202367003U (en) * 2011-12-27 2012-08-08 珠海格力电器股份有限公司 Exhaust pipe shaping device of air conditioner outdoor machine
CN202570872U (en) * 2012-03-21 2012-12-05 中冶天工集团有限公司 Cold bending correction device for steel pipe rods
CN203508657U (en) * 2013-10-11 2014-04-02 厦门华普胜钣金制造有限公司 Square tube correction device
CN104043691A (en) * 2014-06-16 2014-09-17 岑溪市东正动力科技开发有限公司 Part correction frame with freely changeable correction plate
CN104174710A (en) * 2014-08-13 2014-12-03 崇州广益机械制造有限公司 Roller body flexibility correction device with balancing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202367003U (en) * 2011-12-27 2012-08-08 珠海格力电器股份有限公司 Exhaust pipe shaping device of air conditioner outdoor machine
CN202570872U (en) * 2012-03-21 2012-12-05 中冶天工集团有限公司 Cold bending correction device for steel pipe rods
CN203508657U (en) * 2013-10-11 2014-04-02 厦门华普胜钣金制造有限公司 Square tube correction device
CN104043691A (en) * 2014-06-16 2014-09-17 岑溪市东正动力科技开发有限公司 Part correction frame with freely changeable correction plate
CN104174710A (en) * 2014-08-13 2014-12-03 崇州广益机械制造有限公司 Roller body flexibility correction device with balancing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110935756A (en) * 2019-11-15 2020-03-31 伊莱特能源装备股份有限公司 Shaping tool used in manufacturing process of ultra-large integral ring forging and using method

Similar Documents

Publication Publication Date Title
CN203189603U (en) Novel elastic damping righting frame
CN104190751B (en) A kind of for correct rotating roller body flexible deformation and with the device of equilibrator
CN104190750A (en) Multi-purpose rotary roller flexible deformation correcting device provided with balancing device
CN104190749B (en) Rotating roller body flexible deformation's correction device
CN208221464U (en) A kind of damping device for construction machine
CN204159683U (en) The flexible means for correcting of a kind of roll body with bascule
CN104475494A (en) Rotating roller flexibility deformation correcting device with balancing unit
CN204612634U (en) A kind of round glitch detection tool of ATM paper currency transmission cylinder
CN104492865A (en) Roller flexibility correction device with balancing device
CN102162708A (en) Cannon barrel axial line positioner
US11215540B2 (en) Loading platform for rock mechanics test
CN204159687U (en) Roll body flexible deformation means for correcting
CN104174710A (en) Roller body flexibility correction device with balancing device
CN204159682U (en) A kind ofly rotate roll body flexible deformation and with the device of bascule for correcting
CN103196609A (en) Axial load testing method of ball bearing
CN104190756B (en) Roll body flexible deformation's means for correcting
CN104942107A (en) Pipe bending machine used for bending oil pipes
CN204159681U (en) The multipurpose with bascule rotates roll body flexible deformation means for correcting
CN204018430U (en) Rotation roll body flexible deformation means for correcting
CN204700103U (en) For bending the bending machine of oil pipe
CN105672895A (en) Variable-diameter drill bit stabilizer for engineering driller
CN104324984A (en) Rotating roller body flexibility deformation correction device
CN110142663B (en) Automatic grinding machine for outer circular surface of ball body of ball valve and using method
CN203380937U (en) Fixing roller structure for paper tube cutting machine
CN206940376U (en) A kind of H profile steel tipper

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20150408