CN112828574A - Valve connecting bolt disassembling and tightening equipment - Google Patents

Valve connecting bolt disassembling and tightening equipment Download PDF

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Publication number
CN112828574A
CN112828574A CN202011625154.1A CN202011625154A CN112828574A CN 112828574 A CN112828574 A CN 112828574A CN 202011625154 A CN202011625154 A CN 202011625154A CN 112828574 A CN112828574 A CN 112828574A
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China
Prior art keywords
valve
hydraulic cylinder
workbench
rotating
rotating device
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CN202011625154.1A
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Chinese (zh)
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CN112828574B (en
Inventor
李德全
宋立军
刘鸣春
梁安
陈军
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Chongqing Jiuhuan Machinery & Electric Co ltd
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Chongqing Jiuhuan Machinery & Electric Co ltd
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Publication of CN112828574A publication Critical patent/CN112828574A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/06Screw or nut setting or loosening machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/001Article feeders for assembling machines
    • B23P19/006Holding or positioning the article in front of the applying tool

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Actuator (AREA)

Abstract

The invention discloses a valve connecting bolt disassembling and screwing device which comprises a workbench, an upright post, a movable connecting arm, a solid wrench connecting device, a rotating device and a pressing device, wherein the workbench is provided with a plurality of vertical columns; the workbench is provided with an upright post and a rotating device, and the movable connecting arm is connected with the upright post and the solid wrench connecting device; the rotating device is provided with a pressing device, a valve is arranged on the rotating device, and the rotating device enables the valve to rotate along the axial direction of the valve. The movable connecting arm comprises a shell, a lead screw, a sliding block, a hinge lug and a first hydraulic cylinder; two ends of the screw rod are rotationally connected with the upright post; the sliding block is in threaded connection with the lead screw, and one surface of the sliding block, which is far away from the lead screw, is fixedly connected with the hinge lug; a first hydraulic cylinder is arranged in the shell, and a piston rod of the first hydraulic cylinder is connected with the solid wrench connecting device. The invention can automatically screw and disassemble the bolt aiming at the conditions that a plurality of valve connecting bolts are narrow in position and limited in space, and can be suitable for valves with different specifications.

Description

Valve connecting bolt disassembling and tightening equipment
Technical Field
The invention relates to the technical field of bolt screwing equipment, in particular to large or heavy valve connecting bolt disassembling and screwing equipment.
Background
At present, a hydraulic wrench is mainly used for disassembling and screwing connecting bolts of large or heavy valves, but the hydraulic wrench cannot be used under the conditions of narrow positions and limited space of a plurality of connecting bolts of the valves due to the limitation of the structure of the hydraulic wrench. This is typically done by either a more traditional manual tapping method or by using a bolt tightening mechanism to remove and tighten the valve connecting bolts. However, the manual mode is used for knocking, disassembling and screwing, so that the production efficiency is low, the manual operation time of an operator is long, the labor intensity is high, and safety risks exist at any time, namely, the operator can easily lose his hands by knocking the solid wrench by manpower, potential safety hazards exist for the operator, the force of the manual knocking mode is uneven, the connecting bolt of the valve is easily stressed unevenly, and the valve is not connected tightly or has gaps. Meanwhile, in a general bolt screwing mechanism, due to the fact that errors often exist in the center distance of the bolt holes in the machining process, and in addition, different valve specifications are inconsistent, the general bolt screwing machine cannot adapt to valves with different specifications, and the working efficiency is low. In view of the above, there is a need for a valve connecting bolt removal and tightening apparatus that addresses the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the valve connecting bolt dismounting and screwing equipment, which can automatically screw and dismount bolts under the conditions of narrow positions and limited space of a plurality of valve connecting bolts and can be suitable for valves with different specifications.
The invention provides a valve connecting bolt disassembling and screwing device which comprises a workbench, an upright post, a movable connecting arm, a solid wrench connecting device, a rotating device and a pressing device, wherein the workbench is provided with a plurality of vertical columns; the upright post is fixedly arranged on the workbench, the rotating device is rotatably arranged on the workbench, one end of the movable connecting arm is movably connected with the upright post, and the other end of the movable connecting arm is connected with the solid wrench connecting device; the rotating device is provided with the pressing device and a valve, and the rotating device enables the valve to rotate along the axial direction of the valve;
the movable connecting arm comprises a shell, a lead screw, a sliding block, a hinge lug and a first hydraulic cylinder; a vertical rectangular groove is formed in one side, close to the rotating device, of the stand column, supporting seats are arranged at the upper end and the lower end of the rectangular groove, and two ends of the lead screw are respectively in rotating connection with each supporting seat; the sliding block is in threaded connection with the lead screw, is positioned between the two supporting seats, and is fixedly connected with the hinge lug on the side far away from the lead screw; the twisting lug is provided with a rotating shaft, and one end of the shell is hinged with the rotating shaft; the first hydraulic cylinder is installed in the shell, and a piston rod of the first hydraulic cylinder is connected with the solid wrench connecting device.
Through setting up swing joint arm, solid wrench connecting device, rotary device and closing device, install the valve on rotary device, its axial rotation can be followed to the valve to the angle of adjustment valve, so that switch different bolts on the valve circumference, utilize closing device to fix the valve, guarantee the demand of twisting the bolt. Through the arrangement of the movable connecting arm, the sliding block moves up and down on the upright post through the lead screw, the hinge lug is arranged on the sliding block, and the hinge lug performs left-right swinging motion relative to the sliding block through the rotating shaft; the first hydraulic cylinder and the solid wrench connecting device are used for performing front-back movement as main driving power for the wrench so as to achieve the effect of disassembling or screwing the connecting bolt. And first pneumatic cylinder can stretch out and draw back for the swing joint arm can carry out all around and adjust from top to bottom, realizes carrying out connecting bolt's dismantlement or the operation of screwing up to the valve of different specifications size promptly.
Preferably, solid wrench connecting device includes C-shaped briquetting, thrust collar, application of force pole and stopper, one side of C-shaped briquetting back of the body open end and the piston rod fixed connection of first pneumatic cylinder, the inboard of C-shaped briquetting is equipped with semi-circular lug, the periphery of thrust collar is equipped with the annular groove, semi-circular lug with annular groove normal running fit, the inner circle of thrust collar with the same axial central line sliding fit of application of force pole, the inside fixed mounting of the far hinge ear one end of casing the stopper, stopper offset with the downside of the open end of C-shaped briquetting.
Preferably, one end of the stressing rod close to the rotating device is provided with a switching sleeve, and a wrench is installed in the switching sleeve.
Through setting up C shape briquetting, the thrust collar, atress pole and stopper, the instrument that can dismantle or screw up will be carried out, for example install the spanner in valve bolt department, install the spanner switching cover in proper order at the spanner end, the atress pole, and fix the atress pole on the thrust collar, then start first pneumatic cylinder, along with the flexible of first pneumatic cylinder, C shape briquetting and thrust collar move in the casing of swing joint arm, the atress pole slides in the thrust collar, make the atress pole use the bolt to rotate as the centre of a circle, thereby realize dismantling or screw up the bolt. After one connecting bolt of the valve is disassembled or screwed, the connecting bolt on the whole circumference of the valve can be disassembled or screwed by rotating the pressing device and repeating the above operation steps.
Preferably, the pressing device comprises a pressing plate and a second hydraulic cylinder, the second hydraulic cylinder is installed on the lower side of the workbench, a through hole is formed in the workbench, and a piston rod of the second hydraulic cylinder is connected with the pressing plate through the through hole.
Through setting up closing device, utilize the effect of second pneumatic cylinder, make the clamp plate fixed the valve.
Preferably, the number of closing devices is three, three closing devices is the equidistance in circumference and arranges, and the valve is equipped with the base, and every clamp plate is pressed through corresponding second hydraulic cylinder in the top of base.
By arranging the three pressing devices, the pressing force on the valve is more balanced, and the tightening degree of the bolt at each position is consistent.
Preferably, the rotating device comprises a third hydraulic cylinder, a guide disc, a rotating disc and a connecting shaft, the connecting shaft is rotatably connected with the workbench, the guide disc is fixedly connected with the connecting shaft, the rotating disc is fixedly connected with the connecting shaft, the guide disc is positioned at the lower side of the workbench, and the rotating disc is positioned at the upper side of the workbench; three arc-shaped through holes which are arranged in a fan shape are formed in the guide disc along the circumferential direction, three rectangular through holes are uniformly arranged in the rotating disc along the circumferential direction, and the long edge of each rectangular through hole is in the same direction with the radial direction of the rotating disc; every arc through-hole and the cylinder body sliding fit of every second pneumatic cylinder, every rectangle through-hole and the piston rod sliding fit of every second pneumatic cylinder, the fixed support that is equipped with in bottom of guiding disc, the cylinder body of third pneumatic cylinder with the support is articulated, and the piston rod of third pneumatic cylinder is articulated with the cylinder body of a second pneumatic cylinder.
Through setting up the third pneumatic cylinder, the positioning disk, rolling disc and connecting axle, when the piston rod of third pneumatic cylinder is flexible, slide in its arc through-hole with third pneumatic cylinder articulated second pneumatic cylinder, thereby drive the positioning disk and rotate, under the effect of positioning disk, all the other two second pneumatic cylinders also slide in its arc through-hole that corresponds, thereby realize the simultaneous movement of three second pneumatic cylinder, in order to promote the rotation of rolling disc, finally reach and promote valve pivoted purpose.
The invention has the beneficial effects that:
1. through setting up swing joint arm, solid wrench connecting device, rotary device and closing device, install the valve on rotary device, its axial rotation can be followed to the valve to the angle of adjustment valve, so that switch different bolts on the valve circumference, utilize closing device to fix the valve, guarantee the demand of twisting the bolt. Through the arrangement of the movable connecting arm, the sliding block moves up and down on the upright post through the lead screw, the hinge lug is arranged on the sliding block, and the hinge lug performs left-right swinging motion relative to the sliding block through the rotating shaft; the first hydraulic cylinder and the solid wrench connecting device are used for performing front-back movement as main driving power for the wrench so as to achieve the effect of disassembling or screwing the connecting bolt. And first pneumatic cylinder can stretch out and draw back for the swing joint arm can carry out all around and adjust from top to bottom, realizes carrying out connecting bolt's dismantlement or the operation of screwing up to the valve of different specifications size promptly.
2. Through setting up C shape briquetting, the thrust collar, atress pole and stopper, the instrument that can dismantle or screw up will be carried out, for example install the spanner in valve bolt department, install the spanner switching cover in proper order at the spanner end, the atress pole, and fix the atress pole on the thrust collar, then start first pneumatic cylinder, along with the flexible of first pneumatic cylinder, C shape briquetting and thrust collar move in the casing of swing joint arm, the atress pole slides in the thrust collar, make the atress pole use the bolt to rotate as the centre of a circle, thereby realize dismantling or screw up the bolt. After one connecting bolt of the valve is disassembled or screwed, the connecting bolt on the whole circumference of the valve can be disassembled or screwed by rotating the pressing device and repeating the above operation steps.
3. Through setting up the third pneumatic cylinder, the positioning disk, rolling disc and connecting axle, when the piston rod of third pneumatic cylinder is flexible, slide in its arc through-hole with third pneumatic cylinder articulated second pneumatic cylinder, thereby drive the positioning disk and rotate, under the effect of positioning disk, all the other two second pneumatic cylinders also slide in its arc through-hole that corresponds, thereby realize the simultaneous movement of three second pneumatic cylinder, in order to promote the rotation of rolling disc, finally reach and promote valve pivoted purpose.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the invention at A;
FIG. 4 is a schematic front view of the present invention;
FIG. 5 is a schematic view, partly in section, of the overall structure of the invention; (ii) a
FIG. 6 is an enlarged view of the invention at B;
FIG. 7 is a schematic view of a C-shaped compact of the present invention;
FIG. 8 is a schematic bottom view of the present invention;
FIG. 9 is an enlarged sectional view at C of the present invention;
fig. 10 is a schematic view of a rotating device and a compressing device of the present invention.
Reference numerals: 1. a work table; 2. a column; 21. a supporting seat; 3. an articulated arm; 31. a housing; 32. a lead screw; 33. a slider; 34. hinging a lug; 35. a first hydraulic cylinder; 4. a solid wrench connecting device; 41. c-shaped pressing blocks; 42. a thrust ring; 43. a stressing rod; 44. a limiting block; 5. a rotating device; 51. a third hydraulic cylinder; 52. a guide plate; 521. an arc-shaped through hole; 522. a support; 53. rotating the disc; 531. a rectangular through hole; 54. a connecting shaft; 6. a pressing device; 61. pressing a plate; 62. a second hydraulic cylinder; 7. and (4) a valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
As shown in fig. 1 to 10, the present invention provides a valve connecting bolt dismounting and screwing apparatus, which comprises a workbench 1, a column 2, a movable connecting arm 3, a solid wrench connecting device 4, a rotating device 5 and a pressing device 6; an upright post 2 is fixedly arranged on the workbench 1, a rotating device 5 is rotatably arranged on the workbench 1, one end of a movable connecting arm 3 is movably connected with the upright post 2, and the other end of the movable connecting arm 3 is connected with a solid wrench connecting device 4; the rotating device 5 is provided with a pressing device 6, the rotating device 5 is provided with a valve 7, and the rotating device 5 enables the valve 7 to rotate along the axial direction. The movable connecting arm 3 comprises a shell 31, a lead screw 32, a sliding block 33, a hinge lug 34 and a first hydraulic cylinder 35; a vertical rectangular groove is formed in one side, close to the rotating device 5, of the upright post 2, supporting seats 21 are arranged at the upper end and the lower end of the rectangular groove, and two ends of a lead screw 32 are respectively in rotating connection with each supporting seat 21; the sliding block 33 is in threaded connection with the lead screw 32, the sliding block 33 is positioned between the two supporting seats 21, and one surface of the sliding block 33 far away from the lead screw 32 is fixedly connected with the hinge lug 34; the twisting lug is provided with a rotating shaft, and one end of the shell 31 is hinged with the rotating shaft; a first hydraulic cylinder 35 is installed in the housing 31, and a piston rod of the first hydraulic cylinder 35 is connected with the solid wrench connecting device 4.
In this embodiment, through setting up the swing joint arm 3, solid wrench connecting device 4, rotary device 5 and closing device 6, install valve 7 on rotary device 5, valve 7 can follow its axial rotation to the angle of adjustment valve 7, so that switch different bolts on 7 circumferences of valve, utilize closing device 6 to fix valve 7, guarantee the demand of twisting the bolt. By arranging the movable connecting arm 3, the sliding block 33 moves up and down on the upright post 2 through the lead screw 32, the hinge lug 34 is arranged on the sliding block 33, and the hinge lug swings left and right relative to the sliding block 33 through a rotating shaft; the first hydraulic cylinder 35 and the solid wrench connecting device 4 perform forward and backward movement as main driving power for the wrench, so as to achieve the effect of disassembling or screwing the connecting bolt. And first pneumatic cylinder 35 can stretch out and draw back for the swing joint arm 3 can be adjusted from side to side and from top to bottom, realizes carrying out the dismantlement or the screwing up operation of connecting bolt to the valve 7 of different specifications size promptly.
The solid wrench connecting device 4 comprises a C-shaped pressing block 41, a thrust ring 42, a forcing rod 43 and a limiting block 44, one side of the back opening end of the C-shaped pressing block 41 is fixedly connected with a piston rod of the first hydraulic cylinder 35, a semicircular convex block is arranged on the inner side of the C-shaped pressing block 41, an annular groove is arranged on the periphery of the thrust ring 42, the semicircular convex block is in running fit with the annular groove, the inner ring of the thrust ring 42 is in sliding fit with the forcing rod 43 along the axial center line, the limiting block 44 is fixedly installed inside one end, far away from the hinge lug 34, of the shell 31, and the limiting block 44 abuts against the lower side of. One end of the stress application rod 43 close to the rotating device 5 is provided with a switching sleeve, and a wrench is arranged in the switching sleeve.
In this embodiment, through setting up C-shaped briquetting 41, thrust ring 42, stress application rod 43 and stopper 44, the instrument that can dismantle or screw up, for example install the spanner in valve 7 bolt department, install the spanner switching cover in proper order at the spanner end, stress application rod 43, and fix stress application rod 43 on thrust ring 42, then start first pneumatic cylinder 35, along with the flexible of first pneumatic cylinder 35, C-shaped briquetting 41 and thrust ring 42 move in the casing 31 of swing joint arm 3, stress application rod 43 slides in thrust ring 42, make stress application rod 43 use the bolt to rotate as the centre of a circle, thereby realize dismantling or screwing up the bolt. After removing or tightening one connecting bolt of the valve 7, the connecting bolt can be removed or tightened over the entire circumference of the valve 7 by rotating the pressing device 6 and repeating the above operation steps.
The pressing device 6 comprises a pressing plate 61 and a second hydraulic cylinder 62, the second hydraulic cylinder 62 is installed on the lower side of the workbench 1, a through hole is formed in the workbench 1, and a piston rod of the second hydraulic cylinder 62 is connected with the pressing plate 61 through the through hole.
In the present embodiment, the valve 7 is fixed by the pressure plate 61 by the action of the second hydraulic cylinder 62 by providing the pressing device 6.
The number of the pressing devices 6 is three, the three pressing devices 6 are arranged at equal intervals in the circumferential direction, the valve 7 is provided with a base, and each pressing plate 61 is pressed above the base through a corresponding second hydraulic cylinder 62.
In the present embodiment, by providing three pressing devices 6, the pressing force on the valve 7 is more balanced, so that the tightening degree of the bolts at each position is uniform.
The rotating device 5 comprises a third hydraulic cylinder 51, a guide disc 52, a rotating disc 53 and a connecting shaft 54, the connecting shaft 54 is rotatably connected with the workbench 1, the guide disc 52 is fixedly connected with the connecting shaft 54, the rotating disc 53 is fixedly connected with the connecting shaft 54, the guide disc 52 is positioned at the lower side of the workbench 1, and the rotating disc 53 is positioned at the upper side of the workbench 1; three arc-shaped through holes 521 which are arranged in a fan shape are formed in the circumferential direction of the guide disc 52, three rectangular through holes 531 are uniformly arranged in the circumferential direction of the rotating disc 53, and the long side of each rectangular through hole 531 is in the same direction as the radial direction of the rotating disc 53; each arc-shaped through hole 521 is in sliding fit with the cylinder body of each second hydraulic cylinder 62, each rectangular through hole 531 is in sliding fit with the piston rod of each second hydraulic cylinder 62, a bracket 522 is fixedly arranged at the bottom of the guide disc 52, the cylinder body of the third hydraulic cylinder 51 is hinged with the bracket 522, and the piston rod of the third hydraulic cylinder 51 is hinged with the cylinder body of one second hydraulic cylinder 62.
In this embodiment, by providing the third hydraulic cylinder 51, the guide disc 52, the rotating disc 53 and the connecting shaft 54, when the piston rod of the third hydraulic cylinder 51 extends and retracts, the second hydraulic cylinder 62 hinged to the third hydraulic cylinder 51 slides in the arc-shaped through hole 521 thereof, so as to drive the guide disc 52 to rotate, and under the action of the guide disc 52, the other two second hydraulic cylinders 62 also slide in the corresponding arc-shaped through holes 521 thereof, so as to realize the simultaneous movement of the three second hydraulic cylinders 62, so as to push the rotating disc 53 to rotate, and finally, the purpose of pushing the valve 7 to rotate is achieved.
It should be noted that the above preferred embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.

Claims (6)

1. The utility model provides a valve connecting bolt dismantles and screws up equipment which characterized in that: comprises a workbench, a stand column, a movable connecting arm, a solid wrench connecting device, a rotating device and a pressing device; the upright post is fixedly arranged on the workbench, the rotating device is rotatably arranged on the workbench, one end of the movable connecting arm is movably connected with the upright post, and the other end of the movable connecting arm is connected with the solid wrench connecting device; the rotating device is provided with the pressing device and a valve, and the rotating device enables the valve to rotate along the axial direction of the valve;
the movable connecting arm comprises a shell, a lead screw, a sliding block, a hinge lug and a first hydraulic cylinder; a vertical rectangular groove is formed in one side, close to the rotating device, of the stand column, supporting seats are arranged at the upper end and the lower end of the rectangular groove, and two ends of the lead screw are respectively in rotating connection with each supporting seat; the sliding block is in threaded connection with the lead screw, is positioned between the two supporting seats, and is fixedly connected with the hinge lug on the side far away from the lead screw; the twisting lug is provided with a rotating shaft, and one end of the shell is hinged with the rotating shaft; the first hydraulic cylinder is installed in the shell, and a piston rod of the first hydraulic cylinder is connected with the solid wrench connecting device.
2. The valve connecting bolt disassembling and tightening apparatus according to claim 1, wherein:
solid wrench connecting device includes C shape briquetting, distance ring, application of force pole and stopper, one side of C shape briquetting back of the body open end and the piston rod fixed connection of first pneumatic cylinder, the inboard of C shape briquetting is equipped with semi-circular lug, the periphery of distance ring is equipped with the annular groove, semi-circular lug with annular groove normal running fit, the inner circle of distance ring with the application of force pole is with axial central line sliding fit, the inside fixed mounting of the far hinge ear one end of casing the stopper, the stopper offsets with the downside of the open end of C shape briquetting.
3. The valve connecting bolt disassembling and tightening apparatus according to claim 2, wherein:
one end of the stress application rod close to the rotating device is provided with a switching sleeve, and a wrench is installed in the switching sleeve.
4. The valve connecting bolt disassembling and tightening apparatus according to claim 1, wherein:
the pressing device comprises a pressing plate and a second hydraulic cylinder, the second hydraulic cylinder is installed on the lower side of the workbench, a through hole is formed in the workbench, and a piston rod of the second hydraulic cylinder is connected with the pressing plate through the through hole.
5. The valve connecting bolt disassembling and tightening apparatus according to claim 4, wherein:
the number of the pressing devices is three, three the pressing devices are arranged in the circumferential direction at equal intervals, the valve is provided with a base, and each pressing plate is pressed above the base through a corresponding second hydraulic cylinder.
6. The valve connecting bolt disassembling and tightening apparatus according to claim 3, wherein:
the rotating device comprises a third hydraulic cylinder, a guide disc, a rotating disc and a connecting shaft, the connecting shaft is rotatably connected with the workbench, the guide disc is fixedly connected with the connecting shaft, the rotating disc is fixedly connected with the connecting shaft, the guide disc is positioned on the lower side of the workbench, and the rotating disc is positioned on the upper side of the workbench; three arc-shaped through holes which are arranged in a fan shape are formed in the guide disc along the circumferential direction, three rectangular through holes are uniformly arranged in the rotating disc along the circumferential direction, and the long edge of each rectangular through hole is in the same direction with the radial direction of the rotating disc; every arc through-hole and the cylinder body sliding fit of every second pneumatic cylinder, every rectangle through-hole and the piston rod sliding fit of every second pneumatic cylinder, the fixed support that is equipped with in bottom of guiding disc, the cylinder body of third pneumatic cylinder with the support is articulated, and the piston rod of third pneumatic cylinder is articulated with the cylinder body of a second pneumatic cylinder.
CN202011625154.1A 2020-12-31 2020-12-31 Valve connecting bolt disassembling and tightening equipment Active CN112828574B (en)

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CN112828574B CN112828574B (en) 2022-07-05

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113172404A (en) * 2021-06-03 2021-07-27 苏州华维乐自动化科技有限公司 Printer screw tightening equipment
CN114161126A (en) * 2021-12-20 2022-03-11 河南省正龙煤业有限公司 Dismounting device of large water pump and using method thereof
CN114799846A (en) * 2022-05-13 2022-07-29 安徽博晟亿电力科技有限公司 High-strength bolt fastening device and method for damper

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JPH0899238A (en) * 1994-09-30 1996-04-16 Hino Motors Ltd Nut washer feeder, bolt nut combination work robot and bolt nut assembly work robot
CN201778726U (en) * 2010-08-25 2011-03-30 中国石油天然气股份有限公司 Special combination tool for well head in oil field
CN103551845A (en) * 2013-11-14 2014-02-05 山东同力达智能机械有限公司 Automatic bolt tightening machine for wheel brake disc
CN204772272U (en) * 2015-07-15 2015-11-18 青岛越洋消防救生设备有限公司 Combined wrenches
CN207534426U (en) * 2017-12-13 2018-06-26 东睦新材料集团股份有限公司 A kind of fixture for processing VVT diameter of stator bore
CN208216261U (en) * 2018-05-14 2018-12-11 台州科迅印刷设备科技有限公司 A kind of bottle body printing fixture of adjustable diameter
CN108637496A (en) * 2018-05-28 2018-10-12 大族激光科技产业集团股份有限公司 Air spider and laser cutting machine
CN211388518U (en) * 2019-12-06 2020-09-01 江西洪都航空工业集团有限责任公司 Open end wrench suitable for narrow space

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113172404A (en) * 2021-06-03 2021-07-27 苏州华维乐自动化科技有限公司 Printer screw tightening equipment
CN114161126A (en) * 2021-12-20 2022-03-11 河南省正龙煤业有限公司 Dismounting device of large water pump and using method thereof
CN114161126B (en) * 2021-12-20 2022-11-15 河南省正龙煤业有限公司 Dismounting device of large water pump and using method thereof
CN114799846A (en) * 2022-05-13 2022-07-29 安徽博晟亿电力科技有限公司 High-strength bolt fastening device and method for damper

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