CN115070687A - Opening and closing device and opening and closing method for filter flange - Google Patents
Opening and closing device and opening and closing method for filter flange Download PDFInfo
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- CN115070687A CN115070687A CN202210689101.9A CN202210689101A CN115070687A CN 115070687 A CN115070687 A CN 115070687A CN 202210689101 A CN202210689101 A CN 202210689101A CN 115070687 A CN115070687 A CN 115070687A
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- screwing
- slewing bearing
- filter flange
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 144
- 230000005540 biological transmission Effects 0.000 claims description 75
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims 2
- 230000002285 radioactive effect Effects 0.000 abstract description 4
- 230000004044 response Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002915 spent fuel radioactive waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
- F16H19/043—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack for converting reciprocating movement in a continuous rotary movement or vice versa, e.g. by opposite racks engaging intermittently for a part of the stroke
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/003—Auxiliary devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides an opening and closing device and an opening and closing method of a filter flange, wherein the device comprises: the shifting mechanism and the flexible mechanism of revolving, the shifting mechanism is used for supporting on the filter flange, it includes first slewing bearing subassembly, flexible revolving revolves to revolve the subassembly, revolve to revolve the interval of revolving subassembly central axis to first slewing bearing subassembly central axis, equal with the interval of bolt central axis to filter flange central axis on the filter flange, when first slewing bearing subassembly revolves, can drive to revolve to correspond to bolt joint or break away from the connection on its and the filter flange, it can also the circumference rotation, in order to unscrew or screw up when its and the bolt joint that corresponds the bolt. The device can replace manual nearby operation, and the opening and closing of the radioactive filter flange installed in the pit can be completed.
Description
Technical Field
The invention particularly relates to an opening and closing device and an opening and closing method of a filter flange.
Background
Liquids of a chemical and volume control system, a boron recovery system, a steam generator blowdown system, a cooling and processing system of a reactor refueling water tank and a spent fuel water tank and the like of the nuclear power plant contain radioactive substances, corresponding filters are installed in the deep pit, and a shielding cover plate is arranged at the top of the deep pit, so that the purpose of radiation protection is achieved. When the filter core is replaced, the fastening bolt of the filter flange needs to be unscrewed, and then the reduction gearbox input shaft arranged on the filter body is rotated, so that the filter flange fixed on the reduction gearbox output shaft is opened, and the subsequent filter core replacement operation is carried out.
The technical scheme who has now needs the manual work to adopt the stock instrument to reach and operate in the hole, and is higher to operating personnel's radiation risk.
Disclosure of Invention
The invention aims to solve the technical problem of providing a filter flange opening and closing device which can replace manual nearby operation to complete opening and closing of a radioactive filter flange installed in a deep pit, and correspondingly provides a method for opening and closing the filter flange by using the device.
The technical scheme adopted for solving the technical problem of the invention is as follows:
the invention provides an opening and closing device of a filter flange, which comprises: a position changing mechanism and a telescopic screwing mechanism,
the shifting mechanism is used for being supported on the filter flange and comprises a first rotary bearing component,
the telescopic screwing mechanism is arranged on the first rotary support component and comprises a screwing component, the distance from the central axis of the screwing component to the central axis of the first rotary support component is equal to the distance from the central axis of the bolt on the filter flange to the central axis of the filter flange,
when the first slewing bearing component rotates, the first slewing bearing component can drive the screwing component to rotate until the screwing component corresponds to a certain bolt on the filter flange,
it can stretch out and draw back to its bolt joint that corresponds on with the filter flange or break away from the connection to revolve wrong subassembly, it can also the rotation in a circumferential direction to unscrew or screw up when it joints with the bolt that corresponds the bolt.
Optionally, the telescopic screwing mechanism further comprises a housing, a telescopic driving mechanism and a rotary driving mechanism, the housing is arranged on the first slewing bearing assembly,
the screwing component penetrates through the shell and comprises a transmission rod, a sliding rod and a sleeve, the upper part of the sliding rod is sleeved on the transmission rod and is connected with the transmission rod in a sliding manner, the sleeve is matched with a bolt on a flange of the filter and is arranged at the lower end of the sliding rod,
the telescopic driving mechanism is arranged on the shell and is in transmission connection with the slide rod and used for driving the slide rod to slide up and down relative to the transmission rod so as to enable the sleeve to be clamped with or separated from the corresponding bolt on the filter flange,
the rotary driving mechanism is arranged at the upper end of the shell and is in transmission connection with the upper end of the transmission rod, and the rotary driving mechanism is used for driving the transmission rod to rotate so as to drive the sliding rod and the sleeve to rotate, so that the sleeve is loosened or the bolt is screwed.
Optionally, the sliding rod comprises an intermediate rod, a buffer spring and a buffer rod, the intermediate rod, the buffer spring and the buffer rod are coaxially arranged,
the upper part of the middle rod is sleeved on the transmission rod and is connected with the transmission rod in a sliding way, the lower part of the middle rod is connected with the upper part of the buffer rod in a sliding way, the sleeve is arranged at the lower end of the buffer rod,
the buffer spring is compressed between the middle rod and the buffer rod and used for providing downward pressure for the buffer rod when the bolt is screwed down by the sleeve.
Optionally, the telescopic driving mechanism comprises a rotary driving motor, a rack and pinion transmission mechanism and a transmission pipe, the transmission pipe is sleeved on the slide rod and is connected with the slide rod in a rotating manner, a rack of the rack and pinion transmission mechanism is arranged on the outer wall of the transmission pipe,
the rotary driving motor is arranged on the shell and is in transmission connection with the gear of the gear rack transmission mechanism, and is used for driving the gear rack to operate so as to drive the screwing assembly to move up and down.
Optionally, the displacement mechanism further comprises a first driving mechanism and a mounting plate, a first through hole exposing the bolt on the filter flange is formed in the mounting plate, the first slewing bearing assembly comprises a first slewing bearing and a first cover plate, a fixed ring of the first slewing bearing is arranged on the mounting plate, the first cover plate is arranged on a movable ring of the first slewing bearing, the telescopic screwing mechanism is arranged on the first cover plate, and the screwing assembly penetrates through the first cover plate,
the first driving mechanism is arranged on the mounting plate or the fixed ring of the first slewing bearing, is in transmission connection with the movable ring of the first slewing bearing, and is used for driving the movable ring of the first slewing bearing to rotate relative to the fixed ring of the first slewing bearing so as to drive the telescopic screwing mechanism on the first cover plate to rotate.
Optionally, the telescopic rotary support assembly further comprises a reducing mechanism, wherein the reducing mechanism is arranged between the first cover plate and the telescopic screwing mechanism and used for driving the telescopic rotary driving mechanism to move relative to the first cover plate so as to adjust the distance from the central axis of the screwing assembly to the central axis of the first rotary support assembly.
Optionally, reducing mechanism includes the second slewing bearing subassembly, the second slewing bearing subassembly is located first apron and is twisted with the telescopic screw and construct between, the second slewing bearing subassembly, first slewing bearing subassembly and the telescopic screw are twisted with the telescopic screw and are constructed non-concentric arrangement each other, when the second slewing bearing subassembly gyration, can drive the telescopic screw and twist the relative first slewing bearing subassembly of mechanism and remove to the adjustment is twisted the interval of subassembly central axis to first slewing bearing subassembly central axis.
Optionally, the diameter changing mechanism further comprises a second driving mechanism, the second slewing bearing assembly comprises a second slewing bearing and a second cover plate, a fixed ring of the second slewing bearing is arranged on the first cover plate, the second cover plate is arranged on a movable ring of the second slewing bearing, the telescopic screwing mechanism is arranged on the second cover plate, the screwing assembly penetrates through the second cover plate,
the second driving mechanism is arranged on the second cover plate and is in transmission connection with the movable ring of the second slewing bearing, the movable ring of the second slewing bearing is driven to rotate relative to the fixed ring of the second slewing bearing, the telescopic screwing mechanism on the second cover plate is driven to rotate, and the first cover plate is provided with a second through hole for the telescopic screwing mechanism to move.
Optionally, an extension plate extending towards the inside of the first through hole is arranged on the fixing ring of the first cover plate or the second pivoting support,
the second driving mechanism is a driving motor, an output shaft of the second driving mechanism is coaxially arranged with the second slewing bearing and is fixed with the extension plate, and a motor main body of the second driving mechanism is arranged on the second cover plate.
Still include the positioning sensor, the positioning sensor is located on the shifter, and it includes first orientation module and second orientation module, and first orientation module corresponds with the central axis of first slewing bearing subassembly, and second orientation module corresponds with revolving soon the subassembly, the geometric center on filter flange surface be equipped with the first response piece of first orientation module response, bolt surface on the filter flange be equipped with the second response piece of second orientation module response.
The invention also provides a method for opening and closing the filter flange by using the opening and closing device, which comprises the following steps:
s1: opening the filter includes:
s1.1: the opening and closing device is lowered to the position changing mechanism to be supported on the flange of the filter,
s1.2: the first slewing bearing component rotates to drive the screwing component to rotate until the screwing component corresponds to a certain bolt on the filter flange, the screwing component extends until the screwing component is clamped with the corresponding bolt on the filter flange, the screwing component rotates to unscrew the bolt, the screwing component shortens until the screwing component is disconnected with the bolt,
s1.3: repeating the step S1.2 until all bolts on the filter flange are unscrewed;
s2: closing the filter flange comprises:
s2.1: the opening and closing device is lowered to the position changing mechanism to be supported on the flange of the filter,
s2.2: the first rotary supporting component rotates to drive the screwing component to rotate until the screwing component corresponds to a certain bolt on the filter flange, the screwing component extends until the screwing component is clamped with the corresponding bolt on the filter flange, the screwing component rotates to enable the screwing component to screw the bolt, the screwing component shortens until the screwing component is disconnected with the bolt,
s2.3: step S2.2 is repeated until all bolts on the filter flange are tightened.
According to the invention, the telescopic screwing mechanism can be displaced above each fastening bolt of the filter flange through the rotation of the displacement mechanism; by extending the telescopic screwing mechanism, the filter flange in the pit can be reached and the fastening bolt can be screwed. The device can replace manual nearby operation to complete opening and closing of the radioactive filter flange installed in the pit.
Drawings
Fig. 1 is a schematic structural view of a filter flange opening and closing device provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a filter flange opening and closing device provided in embodiment 1 of the present invention from another view angle;
FIG. 3 is a perspective view of the telescopic screwing mechanism;
FIG. 4 is a schematic longitudinal sectional view of the telescopic screw mechanism;
FIG. 5 is an enlarged view of a portion of the upper portion of FIG. 4;
FIG. 6 is an enlarged view of a portion of the lower portion of FIG. 4;
FIG. 7 is a schematic view of a half-section of the indexing mechanism;
FIG. 8 is a schematic view of a half-section structure of the reducing mechanism;
fig. 9 is a schematic view of the mounting structure of the second drive mechanism.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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 scope of the present invention.
In the description of the present invention, it should be noted that the indication of orientation or positional relationship, such as "on" or the like, is based on the orientation or positional relationship shown in the drawings, and is only for convenience and simplicity of description, and does not indicate or imply that the device or element referred to must be provided with a specific orientation, constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected," "disposed," "mounted," "fixed," and the like are to be construed broadly, e.g., as being fixedly or removably connected, or integrally connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
The invention provides an opening and closing device of a filter flange, which comprises: a position changing mechanism and a telescopic screwing mechanism,
the shifting mechanism is used for being supported on the filter flange and comprises a first rotary bearing component,
the telescopic screwing mechanism is arranged on the first rotary support component and comprises a screwing component, the distance from the central axis of the screwing component to the central axis of the first rotary support component is equal to the distance from the central axis of the bolt on the filter flange to the central axis of the filter flange,
when the first slewing bearing component rotates, the first slewing bearing component can drive the screwing component to rotate until the screwing component corresponds to a certain bolt on the filter flange,
it can stretch out and draw back to its bolt joint that corresponds on with the filter flange or break away from the connection to revolve wrong subassembly, it can also the rotation in a circumferential direction to unscrew or screw up when it joints with the bolt that corresponds the bolt.
The invention also provides a method for opening and closing the filter flange by using the opening and closing device, which comprises the following steps:
s1: opening the filter includes:
s1.1: the opening and closing device is lowered to the position changing mechanism to be supported on the flange of the filter,
s1.2: the first slewing bearing assembly rotates to drive the screwing assembly to rotate until the screwing assembly corresponds to a certain bolt on the filter flange, the screwing assembly extends until the screwing assembly is clamped with the corresponding bolt on the filter flange, the screwing assembly rotates to unscrew the bolt, the screwing assembly shortens until the screwing assembly is disconnected with the bolt,
s1.3: repeating the step S1.2 until all bolts on the filter flange are unscrewed;
s2: closing the filter flange includes:
s2.1: the opening and closing device is lowered to the position changing mechanism to be supported on the flange of the filter,
s2.2: the first rotary supporting component rotates to drive the screwing component to rotate until the screwing component corresponds to a certain bolt on the filter flange, the screwing component extends until the screwing component is clamped with the corresponding bolt on the filter flange, the screwing component rotates to enable the screwing component to screw the bolt, the screwing component shortens until the screwing component is disconnected with the bolt,
s2.3: step S2.2 is repeated until all bolts on the filter flange are tightened.
Example 1:
as shown in fig. 1 and 2, the present embodiment provides an opening and closing device for a filter flange, comprising: a position changing mechanism 1 and a telescopic screwing mechanism 3,
the shifting mechanism 1 is used for supporting on a filter flange and comprises a first rotary bearing component,
the telescopic screwing mechanism 3 is arranged on the first rotary supporting component and comprises a screwing component, the distance from the central axis of the screwing component to the central axis of the first rotary supporting component is equal to the distance from the central axis of the bolt on the filter flange to the central axis of the filter flange,
when the first slewing bearing component rotates, the screwing component can be driven to rotate to correspond to a certain bolt on the filter flange,
it can stretch out and draw back to its bolt joint or the disconnection that corresponds on with the filter flange to revolve and twist the subassembly, and it can also be circumferential direction rotatory to unscrew or screw up the bolt when it with the bolt joint that corresponds.
Therefore, the telescopic screwing mechanism 3 can be displaced above each fastening bolt of the filter flange through the rotation of the displacement mechanism 1; by extension of the telescopic screwing mechanism 3, the filter flange in the pit can be reached and the fastening bolt can be screwed. The device can replace manual nearby operation to complete opening and closing of the radioactive filter flange installed in the pit.
In the present embodiment, the first and second electrodes are,
as shown in fig. 3-6, the telescopic screwing mechanism 3 further comprises a housing, a telescopic driving mechanism and a rotary driving mechanism 37, the housing is arranged on the first slewing bearing assembly,
the screwing assembly, which penetrates the housing, comprises a transmission rod 38, a sliding rod, the upper part of which is fitted over the transmission rod 38 and is connected to the transmission rod 38 in a sliding manner, and a sleeve 317, which is fitted to the bolt on the filter flange and is arranged at the lower end of the sliding rod,
the telescopic driving mechanism is arranged on the shell and is in transmission connection with the slide rod, and is used for driving the slide rod to slide up and down relative to the transmission rod 38 so as to enable the sleeve 317 to be clamped with or separated from a corresponding bolt on the filter flange,
the rotation driving mechanism 37 is disposed at the upper end of the housing and is in transmission connection with the upper end of the transmission rod 38, and is used for driving the transmission rod 38 to rotate so as to drive the sliding rod and the sleeve 317 to rotate, so that the sleeve 317 can loosen or tighten the bolt.
Therefore, the sleeve 317 can move up and down under the driving of the telescopic driving mechanism and can rotate in the circumferential direction under the driving of the rotary driving mechanism 37, and the sleeve is sleeved on the fastening bolt head of the filter flange, so that the bolt can be loosened and tightened.
In this embodiment, the sliding rod includes an intermediate rod 39, a buffer spring 315, and a buffer rod 313, the intermediate rod 39, the buffer spring 315, and the buffer rod 313 are coaxially arranged,
the upper part of the middle rod 39 is sleeved on the transmission rod 38 and is connected with the transmission rod 38 in a sliding way, the lower part of the middle rod is connected with the upper part of the buffer rod 313 in a sliding way, the sleeve 317 is arranged at the lower end of the buffer rod 313,
a buffer spring 315 is compressed between the intermediate bar 39 and the buffer bar 313 for providing a downward force to the buffer bar 313 when the sleeve 317 tightens the bolt.
Specifically, the top of the intermediate lever 39 is provided with a first blind hole matched with the transmission rod 38, and the intermediate lever 39 is slidably connected with the transmission rod 38 through the first blind hole. The middle part of the lower end of the middle rod 39 extends downwards to form an extension rod 391, the top of the buffer rod 313 is provided with a second blind hole matched with the extension rod 391, and the buffer rod 313 is connected with the extension rod 391 of the middle rod 39 in a sliding mode through the second blind hole. The buffer spring 315 is sleeved on the extension rod 391 and compressed between the bottom end surface of the middle rod 39 and the top end surface of the buffer rod 313. For maintaining the depression of the buffer rod 313 and absorbing the displacement when the buffer rod 313 is pushed up upward.
The sleeve 317 is installed at the bottom of the buffer rod 313, and forms a socket structure with the buffer rod 313, so that the sleeve 317 rotates synchronously with the rotation of the buffer rod 313, and the sleeve 317 and the buffer rod 313 are connected through a pin 316.
In the present embodiment, the first and second electrodes are,
the telescopic driving mechanism comprises a rotary driving motor 34, a gear rack transmission mechanism and a transmission pipe 33, the transmission pipe 33 is sleeved on the slide bar and is rotationally connected with the slide bar, a rack of the gear rack transmission mechanism is arranged on the outer wall of the transmission pipe 33,
the rotary driving motor 34 is disposed on the housing and is in transmission connection with a gear 35 of the rack-and-pinion transmission mechanism, for driving the rack-and-pinion to operate, so as to drive the screwing assembly to move up and down.
In other embodiments, the telescopic driving mechanism can be replaced by a linear driving mechanism such as a pneumatic push rod, an electric push rod and the like.
Specifically, the housing comprises a rack and pinion housing 31 and a sleeve support 36, the rack and pinion housing 31 is fixed on the first cover plate 13 of the first slewing bearing assembly, rack sliding bearings 32 are installed at the upper end and the lower end in the rack and pinion housing 31, and a transmission pipe 33 with a rack on the outer wall penetrates through the rack sliding bearings 32 and can slide up and down.
The sleeve bracket 36 is fixed on the top of the gear rack box shell 31, and the rotary driving mechanism 37 is fixed on the top of the sleeve bracket 36. In this embodiment, the rotation driving mechanism 37 is a motor, and an output shaft thereof extends into the sleeve bracket 36 and is fixedly connected with the transmission rod 38.
The rotary driving motor 34 is fixed on the gear rack box shell 31; the output shaft of the gear-rack box extends into the gear-rack box shell 31 and is connected with the gear of the gear-rack transmission mechanism in the gear-rack box shell. The gear is engaged with the rack on the outer wall of the transmission pipe 33 for transmission.
The intermediate rod 39 and the transmission rod 38 form a plug-in structure, the intermediate rod 39 and the transmission rod are connected when moving along with the telescopic rack, and the intermediate rod 39 rotates synchronously along with the rotation of the transmission rod 38; the intermediate rod 39 is arranged in the transmission pipe 33 and is connected with the top of the transmission pipe 33 through a rolling bearing 310; the rolling bearing 310 is arranged in the transmission pipe 33, the outer ring of the rolling bearing is fixed at the top of the transmission pipe 33 through a rack upper end cover 311, and the inner ring of the rolling bearing is fixed on the middle rod 39 through a bearing retainer ring 312; the buffer rod 313 and the intermediate rod 39 form a plug-in structure, the buffer rod 313 and the intermediate rod 39 are connected when moving along with the sleeve 317, and the buffer rod 313 rotates synchronously along with the rotation of the intermediate rod 39; the buffer rod 313 is arranged in the transmission pipe 33 and is connected with the bottom of the transmission pipe 33 through a buffer rod sliding bearing 314; the top of the buffer rod 313 is provided with a shaft shoulder which is larger than the inner diameter of the buffer rod sliding bearing 314, so that the buffer rod 313 is prevented from falling off when moving downwards; the buffer rod sliding bearing 314 is installed in the transmission tube 33 and fixed at the bottom of the transmission tube 33 by the rack lower end cover 318.
In the present embodiment, the first and second electrodes are,
as shown in fig. 7, the shifting mechanism 1 further includes a first driving mechanism, a mounting plate 12 and a shifting mechanism housing 16, the mounting plate 12 is provided with a first through hole 121 exposing a bolt on the filter flange, the first rotary support assembly includes a first rotary support 11 and a first cover plate 13, specifically, the first rotary support 11 is of an outer gear type, an inner ring thereof is provided on the mounting plate 12, the first cover plate 13 is provided on an outer ring of the first rotary support 11, the telescopic screwing mechanism 3 is provided on the first cover plate 13, the screwing assembly passes through the first cover plate 13,
the displacement mechanism shell 16 is arranged at one side of the mounting plate 12 and is fixedly connected with the mounting plate, the first driving mechanism comprises a displacement driving motor 14 and a displacement driving gear 15,
the deflection drive motor 14 is arranged on the mounting plate 12 or the deflection mechanism housing 16, in the example of fig. 7 fixed on the deflection mechanism housing 16, with its output shaft extending into the deflection mechanism housing 16 and being in driving connection with the deflection drive gear 15 therein,
the displacement driving gear 15 is in meshing transmission connection with the outer ring of the first rotary support 11, and the displacement driving motor 14 drives the outer ring of the first rotary support 11 to rotate relative to the inner ring of the first rotary support through the displacement driving gear 15 so as to drive the telescopic screwing mechanism 3 on the first cover plate 13 to rotate.
In the present embodiment, the first and second electrodes are,
the telescopic rotary support further comprises a reducing mechanism 2, wherein the reducing mechanism 2 is arranged between the first cover plate 13 and the telescopic screwing mechanism 3 and used for driving the telescopic rotary driving mechanism 37 to move relative to the first cover plate 13 so as to adjust the distance from the central axis of the screwing assembly to the central axis of the first rotary support assembly.
Through the movement of the reducing mechanism, the position of the screwing assembly relative to the central axis of the first slewing bearing assembly can be adjusted to adapt to different filter flange fastening bolt distribution diameters.
In the present embodiment, the first and second electrodes are,
as shown in fig. 8, the diameter changing mechanism 2 includes a second rotary support assembly, the second rotary support assembly is disposed between the first cover plate 13 and the telescopic screwing mechanism 3, the second rotary support assembly, the first rotary support assembly and the telescopic screwing mechanism 3 are arranged non-concentrically, and when the second rotary support assembly rotates, the telescopic screwing mechanism 3 can be driven to move relative to the first rotary support assembly, so as to adjust the distance from the central axis of the screwing assembly to the central axis of the first rotary support assembly.
In the present embodiment, the first and second electrodes are,
the reducing mechanism 2 further comprises a second driving mechanism 23, the second slewing bearing assembly comprises a second slewing bearing 21 and a second cover plate 22, the second slewing bearing 21 is of a toothless type, the inner ring of the second slewing bearing is arranged on the first cover plate 13, the second cover plate 22 is arranged on the outer ring of the second slewing bearing 21, the telescopic screwing mechanism 3 is arranged on the second cover plate 22, the screwing assembly penetrates through the second cover plate 22,
the second driving mechanism 23 is disposed on the second cover plate 22, is in transmission connection with the outer ring of the second rotary support 21, and is configured to drive the outer ring of the second rotary support 21 to rotate relative to the inner ring thereof, so as to drive the telescopic screwing mechanism 3 on the second cover plate 22 to rotate, and the first cover plate 13 is provided with a second through hole 131 for the telescopic screwing mechanism 3 to move.
In particular, the amount of the solvent to be used,
an extension plate 24 extending toward the inside of the first through hole 121 is provided on the first cover plate 13 or the fixing ring of the second slewing bearing 21, and as shown in fig. 9, the extension plate 24 of the present embodiment is provided on the first cover plate 13.
The second driving mechanism 23 is a driving motor, an output shaft thereof is coaxially arranged with the second slewing bearing 21 and fixed with the extension plate 24, and a motor body thereof is provided on the second cover plate 22.
That is, in the present embodiment, the output shaft of the second driving mechanism 23 is fixed, and the motor main body thereof rotates relative to the output shaft, thereby driving the second slewing bearing 21 to slew.
In this embodiment, the positioning device further includes a positioning sensor 4, the positioning sensor 4 is disposed on the displacement mechanism 1, and includes a first positioning module and a second positioning module, the first positioning module corresponds to a central axis of the first slewing bearing assembly, the second positioning module corresponds to the screwing assembly, a first sensing piece is disposed at a geometric center of a flange surface of the filter, the first sensing piece is sensed by the first positioning module, and a second sensing piece is disposed at a bolt surface of the flange of the filter, the second sensing piece is sensed by the second positioning module.
Therefore, the positioning sensor 4 can feed back the positioning deviation after the telescopic screwing reducing deflection unit is in place and provide position adjustment parameters, and simultaneously feed back the position of the fastening bolt of the filter flange.
Example 2:
the embodiment provides a method for opening and closing a filter flange by using the opening and closing device in embodiment 1, which comprises the following steps:
s1: opening the filter includes:
s1.1: the opening and closing device is lowered to the position changing mechanism 1 and supported on the flange of the filter,
s1.2: the first rotary supporting component rotates to drive the screwing component to rotate until the screwing component corresponds to a certain bolt on the filter flange, the screwing component extends until the screwing component is clamped with the corresponding bolt on the filter flange, the screwing component rotates to unscrew the bolt, the screwing component shortens until the screwing component is disconnected from the bolt,
s1.3: repeating the step S1.2 until all bolts on the filter flange are unscrewed;
s2: closing the filter flange comprises:
s2.1: the opening and closing device is lowered to the position changing mechanism 1 and supported on the flange of the filter,
s2.2: the first rotary supporting component rotates to drive the screwing component to rotate until the screwing component corresponds to a certain bolt on the filter flange, the screwing component extends until the screwing component is clamped with the corresponding bolt on the filter flange, the screwing component rotates to enable the screwing component to screw the bolt, the screwing component shortens until the screwing component is disconnected with the bolt,
s2.3: step S2.2 is repeated until all bolts on the filter flange are tightened.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and scope of the invention, and such modifications and improvements are also considered to be within the scope of the invention.
Claims (11)
1. The utility model provides an headstock gear of filter flange which characterized in that includes: a position changing mechanism (1) and a telescopic screwing mechanism (3),
the shifting mechanism (1) is used for being supported on a filter flange and comprises a first rotary bearing component,
the telescopic screwing mechanism (3) is arranged on the first rotary support component and comprises a screwing component, the distance from the central axis of the screwing component to the central axis of the first rotary support component is equal to the distance from the central axis of a bolt on the filter flange to the central axis of the filter flange,
when the first slewing bearing component rotates, the first slewing bearing component can drive the screwing component to rotate until the screwing component corresponds to a certain bolt on the filter flange,
it can stretch out and draw back to its bolt joint that corresponds on with the filter flange or break away from the connection to revolve wrong subassembly, it can also the rotation in a circumferential direction to unscrew or screw up when it joints with the bolt that corresponds the bolt.
2. The opening and closing device of a filter flange according to claim 1,
the telescopic screwing mechanism (3) also comprises a shell, a telescopic driving mechanism and a rotary driving mechanism (37), the shell is arranged on the first slewing bearing component,
the screwing component penetrates through the shell and comprises a transmission rod (38), a sliding rod and a sleeve (317), the upper part of the sliding rod is sleeved on the transmission rod (38) and is connected with the transmission rod (38) in a sliding way, the sleeve (317) is matched with a bolt on a filter flange and is arranged at the lower end of the sliding rod,
the telescopic driving mechanism is arranged on the shell and is in transmission connection with the slide rod and is used for driving the slide rod to slide up and down relative to the transmission rod (38) so as to enable the sleeve (317) to be clamped with or separated from the corresponding bolt on the filter flange,
the rotary driving mechanism (37) is arranged at the upper end of the shell, is in transmission connection with the upper end of the transmission rod (38), and is used for driving the transmission rod (38) to rotate so as to drive the sliding rod and the sleeve (317) to rotate, so that the sleeve (317) can be loosened or the bolt can be tightened.
3. The opening and closing device of a filter flange according to claim 2, characterized in that the sliding rod comprises an intermediate rod (39), a buffer spring (315) and a buffer rod (313), the intermediate rod (39), the buffer spring (315) and the buffer rod (313) being coaxially arranged,
the upper part of the middle rod (39) is sleeved on the transmission rod (38) and is connected with the transmission rod (38) in a sliding way, the lower part of the middle rod is connected with the upper part of the buffer rod (313) in a sliding way, the sleeve (317) is arranged at the lower end of the buffer rod (313),
the buffer spring (315) is compressed between the intermediate rod (39) and the buffer rod (313) and is used for providing downward pressure to the buffer rod (313) when the sleeve (317) is screwed with the bolt.
4. The opening and closing device of a filter flange according to claim 2,
the telescopic driving mechanism comprises a rotary driving motor (34), a gear rack transmission mechanism and a transmission pipe (33), the transmission pipe (33) is sleeved on the sliding rod and is rotationally connected with the sliding rod, a rack of the gear rack transmission mechanism is arranged on the outer wall of the transmission pipe (33),
the rotary driving motor (34) is arranged on the shell and is in transmission connection with a gear (35) of the gear rack transmission mechanism and used for driving a gear rack to operate so as to drive the screwing assembly to move up and down.
5. A filter flange opening and closing device according to any one of claims 1 to 4,
the displacement mechanism (1) further comprises a first driving mechanism and a mounting plate (12), a first through hole (121) exposing a bolt on the filter flange is formed in the mounting plate (12), the first slewing bearing assembly comprises a first slewing bearing (11) and a first cover plate (13), a fixing ring of the first slewing bearing (11) is arranged on the mounting plate (12), the first cover plate (13) is arranged on a movable ring of the first slewing bearing (11), the telescopic screwing mechanism (3) is arranged on the first cover plate (13), and the screwing assembly penetrates through the first cover plate (13),
the first driving mechanism is arranged on the mounting plate (12) or the fixed ring of the first slewing bearing (11), is in transmission connection with the movable ring of the first slewing bearing (11), and is used for driving the movable ring of the first slewing bearing (11) to rotate relative to the fixed ring of the first slewing bearing so as to drive the telescopic screwing mechanism (3) on the first cover plate (13) to rotate.
6. Opening and closing device of a filter flange according to claim 5,
still include reducing mechanism (2), reducing mechanism (2) are located first apron (13) and are twisted soon between mechanism (3) to flexible for drive flexible rotary driving mechanism (37) and remove first apron (13) relatively, revolve the interval of twisting subassembly central axis to first slewing bearing subassembly central axis with the adjustment.
7. Opening and closing device of a filter flange according to claim 6,
reducing mechanism (2) include the second slewing bearing subassembly, the second slewing bearing subassembly is located first apron (13) and is stretched and revolve to twist between mechanism (3), the second slewing bearing subassembly, first slewing bearing subassembly and the flexible mechanism (3) of revolving are arranged with one another non-concentrically, during the gyration of second slewing bearing subassembly, can drive the flexible mechanism (3) of revolving and move first slewing bearing subassembly relatively to the adjustment revolves the interval of revolving subassembly the central axis to first slewing bearing subassembly the central axis.
8. The opening and closing device of a filter flange according to claim 7,
the reducing mechanism (2) further comprises a second driving mechanism (23), the second slewing bearing assembly comprises a second slewing bearing (21) and a second cover plate (22), a fixed ring of the second slewing bearing (21) is arranged on the first cover plate (13), the second cover plate (22) is arranged on a movable ring of the second slewing bearing (21), the telescopic screwing mechanism (3) is arranged on the second cover plate (22), and the screwing assembly penetrates through the second cover plate (22),
the second driving mechanism (23) is arranged on the second cover plate (22) and is in transmission connection with the movable ring of the second slewing bearing (21) for driving the movable ring of the second slewing bearing (21) to rotate relative to the fixed ring of the second slewing bearing so as to drive the telescopic screwing mechanism (3) on the second cover plate (22) to rotate, and a second through hole (131) for the telescopic screwing mechanism (3) to move is formed in the first cover plate (13).
9. The opening and closing device of a filter flange according to claim 8,
an extension plate (24) extending towards the inside of the first through hole (121) is arranged on the fixing ring of the first cover plate (13) or the second rotary support (21),
the second driving mechanism (23) is a driving motor, an output shaft of the second driving mechanism is coaxially arranged with the second rotary support (21) and is fixed with the extension plate (24), and a motor body of the second driving mechanism is arranged on the second cover plate (22).
10. The opening and closing device of the filter flange according to any one of claims 1 to 4, further comprising a positioning sensor (4), wherein the positioning sensor (4) is arranged on the displacement mechanism (1) and comprises a first positioning module and a second positioning module, the first positioning module corresponds to a central axis of the first rotary support assembly, the second positioning module corresponds to the screwing assembly, a first induction sheet which is induced by the first positioning module is arranged at a geometric center of the surface of the filter flange, and a second induction sheet which is induced by the second positioning module is arranged on a surface of a bolt on the filter flange.
11. A method of opening and closing a filter flange using the opening and closing device according to any one of claims 1 to 10, comprising:
s1: opening the filter includes:
s1.1: the opening and closing device is lowered to the position changing mechanism (1) to be supported on the flange of the filter,
s1.2: the first slewing bearing component rotates to drive the screwing component to rotate until the screwing component corresponds to a certain bolt on the filter flange, the screwing component extends until the screwing component is clamped with the corresponding bolt on the filter flange, the screwing component rotates to unscrew the bolt, the screwing component shortens until the screwing component is disconnected with the bolt,
s1.3: repeating the step S1.2 until all bolts on the filter flange are unscrewed;
s2: closing the filter flange comprises:
s2.1: the opening and closing device is lowered to the position changing mechanism (1) to be supported on the flange of the filter,
s2.2: the first rotary supporting component rotates to drive the screwing component to rotate until the screwing component corresponds to a certain bolt on the filter flange, the screwing component extends until the screwing component is clamped with the corresponding bolt on the filter flange, the screwing component rotates to enable the screwing component to screw the bolt, the screwing component shortens until the screwing component is disconnected with the bolt,
s2.3: step S2.2 is repeated until all bolts on the filter flange are tightened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210689101.9A CN115070687A (en) | 2022-06-16 | 2022-06-16 | Opening and closing device and opening and closing method for filter flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210689101.9A CN115070687A (en) | 2022-06-16 | 2022-06-16 | Opening and closing device and opening and closing method for filter flange |
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| Publication Number | Publication Date |
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| CN115070687A true CN115070687A (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210689101.9A Pending CN115070687A (en) | 2022-06-16 | 2022-06-16 | Opening and closing device and opening and closing method for filter flange |
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| CN (1) | CN115070687A (en) |
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