CN113352260A - Wrench for nuclear power nuclear island radiation area maintenance - Google Patents

Wrench for nuclear power nuclear island radiation area maintenance Download PDF

Info

Publication number
CN113352260A
CN113352260A CN202110666680.0A CN202110666680A CN113352260A CN 113352260 A CN113352260 A CN 113352260A CN 202110666680 A CN202110666680 A CN 202110666680A CN 113352260 A CN113352260 A CN 113352260A
Authority
CN
China
Prior art keywords
connecting beam
movable
teeth
motor
wrench
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.)
Granted
Application number
CN202110666680.0A
Other languages
Chinese (zh)
Other versions
CN113352260B (en
Inventor
谢磊
张奎
倪中勇
程志勇
曹永华
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.)
Sanmen Technician College
Original Assignee
Sanmen Technician College
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 Sanmen Technician College filed Critical Sanmen Technician College
Priority to CN202110666680.0A priority Critical patent/CN113352260B/en
Publication of CN113352260A publication Critical patent/CN113352260A/en
Application granted granted Critical
Publication of CN113352260B publication Critical patent/CN113352260B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00Spanners; Wrenches
    • B25B13/48Spanners; Wrenches for special purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Surgical Instruments (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

The invention relates to a wrench for nuclear power nuclear island radiation area maintenance, belonging to the technical field of maintenance tools and comprising: a connecting beam; the clamping assembly is arranged on the connecting beam and used for clamping the bolt; the support arm is arranged at one end of the connecting beam, is connected with the connecting beam and is used for driving the clamping assembly to screw the bolt; the clamping assembly includes: the fixed teeth are arranged at one end, far away from the support arm, of the connecting beam and are vertically and fixedly connected with the connecting beam; the movable teeth are arranged on the connecting beam and are in sliding connection with the connecting beam; according to the invention, the screw rod is driven by the motor to rapidly clamp the bolt, and the clamping stability can be ensured by matching with the pressure sensor, so that the bolt is prevented from slipping when being rotated, and the working efficiency is reduced; the force arms with different lengths can be flexibly selected through the detachable clamping assembly, so that the device is convenient to adapt to maintenance of different devices; the invention has the advantages of convenient use, good use effect, strong practicability and popularization value.

Description

Wrench for nuclear power nuclear island radiation area maintenance
Technical Field
The invention belongs to the technical field of maintenance tools, and particularly relates to a wrench for nuclear power nuclear island radiation area maintenance.
Background
According to statistics, more than four hundred nuclear power generating sets are running all over the world at present, the total installed capacity is 3.8 hundred million KW, and the total installed capacity accounts for about 16.2% of the total power generation capacity of the world. In order to ensure the safety of the power generation production of the nuclear power station, facilities of the nuclear power station need to be overhauled; the nuclear power station is maintained mainly in a preventive regular maintenance mode, and due to the fact that a plurality of pipelines are arranged in the nuclear power station and the pressure in the nuclear power station is high, the pipeline joint is easy to loosen, deform and the like; the maintainer needs to use a wrench to remove the bolt at the joint of the pipeline, and maintain and replace the pipeline and the joint; at present, the wrench mainly comprises a fixed wrench and a movable wrench, wherein the fixed wrench is required to carry a plurality of chucks or sleeve heads when in use, and when working in an area with higher radiation of a nuclear power station, a maintainer is required to wear a heavy protective clothing to protect the safety of the maintainer; therefore, in order to avoid being too heavy, the maintainers generally use movable wrenches for overhauling; when the existing adjustable spanner is used for disassembling a bolt, manual clamping and screwing are required to be repeated for multiple times; the working efficiency of maintenance personnel is undoubtedly reduced, the maintenance period of the nuclear power station is prolonged, and the capacity of the nuclear power station is reduced; therefore, a wrench for nuclear power plant maintenance with high use efficiency is urgently needed.
Disclosure of Invention
In view of the above, the invention provides a wrench for overhauling a nuclear power nuclear island radiation area, so as to solve the defects in the prior art.
The technical scheme of the invention is as follows:
a nuclear power nuclear island radiation area overhauls and uses wrench, includes: the connecting beam, the clamping assembly and the support arm; the clamping assembly is arranged on the connecting beam and used for clamping the bolt; the supporting arm is arranged at one end of the connecting beam and is parallel to the connecting beam, and the supporting arm is connected with the connecting beam and used for driving the clamping assembly to screw the bolt;
the clamping assembly comprises: the fixed teeth, the movable teeth and the adjusting mechanism are arranged on the fixed teeth; the fixed teeth are arranged at one end, far away from the support arm, of the connecting beam and are vertically and fixedly connected with the connecting beam; the movable teeth are arranged on the connecting beam and positioned on one side of the fixed teeth, and the movable teeth are vertically connected with the connecting beam in a sliding manner; the adjusting mechanism is arranged on the connecting beam and used for adjusting the distance between the fixed teeth and the movable teeth;
and the controller is arranged on the support arm and is electrically connected with the adjusting mechanism.
Preferably, guiding mechanism includes that the tie-beam is close to the spout that the movable tooth one side was seted up, and the one end of movable tooth is equipped with the slider, and the inside fit of slider embedding spout is connected, and one side that the movable tooth was kept away from to the slider is equipped with the thread tooth, and the tie-beam is located the spout and wears to be equipped with the lead screw and rather than being parallel one side of keeping away from the movable tooth, and the thread tooth is connected with screw engagement, and the one end that the support arm is close to the tie-beam has set firmly the motor, the output shaft and the screw connection of motor, and the motor is connected with the controller electricity.
Preferably, the inside cavity of support arm, it divide into motor storehouse, battery compartment, activity storehouse with its inside in proper order through two division boards, the motor is fixed in the inside in motor storehouse through tightly deciding the piece, the battery has set firmly in the inside in battery compartment, the controller is located directly over the battery, be equipped with the switch on the support arm, the inner wall of support arm is the lead protection layer from inside to outside in proper order, the aluminium inoxidizing coating, the rubber inoxidizing coating, the lead protection layer is connected fixedly with the aluminium inoxidizing coating, the rubber inoxidizing coating cover is established in the outside of aluminium inoxidizing coating and is connected, the one end that the motor was kept away from in the activity storehouse is equipped with sealed lid, sealed lid is connected with activity storehouse screw-thread fit, the outside of sealed lid has set firmly the ring, the battery, the switch is connected with the controller electricity respectively.
Preferably, the lead screw is close to the one end of motor and has been seted up interior hexagonal recess, is equipped with hexagonal prism connector on the output shaft of motor, and hexagonal prism connector embedding interior hexagonal recess's inside cooperation is connected, and the support arm is close to and is equipped with two L type spread grooves on the one end inner wall of lead screw respectively the symmetry, and the fixed tooth was kept away from to the tie-beam one end is equipped with the joint table, and the outside symmetry of joint table has set firmly two locking archs, and the inside of joint table embedding support arm is passed through L type spread groove and is connected fixedly with the protruding cooperation of locking.
Preferably, the inboard of fixed tooth and movable tooth is the symmetry respectively and is equipped with two grip blocks, the outside of grip block is equipped with the connecting axle perpendicularly respectively, set up annular groove on the medial surface of fixed tooth and movable tooth, tapered roller bearing has set firmly in the inside of annular groove, the one end and the tapered roller bearing fixed connection of connecting axle, the other end and grip block fixed connection, be annular on the grip block lateral surface that is close to the movable tooth and evenly seted up a plurality of through-holes, the locking hole has been seted up on the movable tooth, wear to be equipped with the locking axle on the locking hole, the locking axle passes the locking hole and is connected with the through-hole cooperation.
Preferably, a sinking groove is formed in one side, away from the connecting shaft, of the clamping plate, a pressure sensor is fixedly arranged on the sinking groove, anti-skid grains are arranged on the inner side face of the clamping plate, and the pressure sensor is electrically connected with the controller.
Preferably, two shearing blades are fixedly arranged on the fixed teeth and the movable teeth on one side, far away from the connecting beam, of the clamping plate respectively, a distance measuring sensor is fixedly arranged on one side, close to the connecting beam, of the fixed teeth, and the distance measuring sensor is electrically connected with the controller.
Compared with the prior art, the wrench for overhauling the nuclear power nuclear island radiation area provided by the invention has the advantages that the screw rod is driven by the motor to rapidly clamp the bolt by using the fixed teeth and the movable teeth, the clamping stability can be ensured by matching with the pressure sensor, the bolt is prevented from slipping when being rotated, and the working efficiency is reduced; the force arms with different lengths can be flexibly selected through the detachable clamping assembly, so that the device is convenient to adapt to maintenance of different devices; in addition, the inner hexagonal connector arranged on the output shaft of the motor can be quickly connected with the screw rod, so that the use convenience is improved; the motor bin, the battery bin and the movable bin which are provided with the protective layers can prevent nuclear radiation from damaging electrical elements, so that the service efficiency of the maintenance tool is improved; when the bolt can be disassembled through the rotatable clamping plate and meets a side obstacle, the angle between the support arm and the clamping plate is adjusted, and the situation that the obstacle blocks and needs to be clamped for multiple times is avoided; the device is convenient to cross over obstacles, can prolong the clamping length in the vertical direction and is convenient to clamp bolts with narrow surrounding space; the distance measurement can be conveniently and quickly carried out by maintenance personnel through the distance measurement sensor, and the use efficiency of the tool is further improved; the shearing blade can facilitate the shearing operation of maintainers, and avoid carrying the shearing pliers to reduce the working strength of maintainers; the invention has the advantages of convenient use, good use effect, strong practicability and popularization value.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a right side view of the present invention;
FIG. 3 is a cross-sectional view A-A of the present invention;
FIG. 4 is a front view of the clamping assembly of the present invention;
FIG. 5 is a left side view of the arm of the present invention;
FIG. 6 is a cross-sectional view B-B of the present invention;
FIG. 7 is an enlarged schematic view of the invention at C;
FIG. 8 is an enlarged schematic view of the invention at D;
FIG. 9 is an enlarged schematic view at E of the present invention;
FIG. 10 is an enlarged schematic view at F of the present invention;
FIG. 11 is an enlarged schematic view at G of the present invention;
description of reference numerals:
1-connecting beam, 2-arm, 3-fixed tooth, 4-movable tooth, 5-controller, 21-chute, 22-slider, 23-thread tooth, 24-lead screw, 24-motor, 25-motor, 31-isolation board, 32-motor cabin, 33-battery cabin, 34-movable cabin, 35-battery, 36-switch, 37-lead protection layer, 38-aluminum protection layer, 39-rubber protection layer, 301-sealing cover, 302-ring, 41-inner hexagonal groove, 42-hexagonal prism connector, 43-L-shaped connecting groove, 44-connecting table, 45-locking protrusion, 51-clamping plate, 52-connecting shaft, 53-annular groove, 54-tapered roller bearing, 55-through hole, 56-locking hole, 61-sink groove, 62-pressure sensor, 71-shearing edge, 72-distance measuring sensor.
Detailed Description
The invention provides a wrench for overhauling a radiation area of a nuclear power nuclear island, which is described below by combining with the structural schematic diagrams of figures 1 to 11.
Example 1
As shown in fig. 1-2, a wrench for nuclear power nuclear island radiation area maintenance comprises: the device comprises a connecting beam 1, a clamping assembly and a support arm 2; the clamping assembly is arranged on the connecting beam 1 and used for clamping a bolt; the support arm 2 is arranged at one end of the connecting beam 1 and is parallel to the connecting beam, and the support arm 2 is connected with the connecting beam 1 and is used for driving the clamping assembly to screw the bolt; the clamping assembly comprises: the fixed teeth 3, the movable teeth 4 and the adjusting mechanism; the fixed teeth 3 are arranged at one end, far away from the support arm 2, of the connecting beam 1, and the fixed teeth 3 are vertically and fixedly connected with the connecting beam 1; the movable teeth 4 are arranged on the connecting beam 1 and located on one side of the fixed teeth 3, and the movable teeth 4 are vertically connected with the connecting beam 1 in a sliding mode; the adjusting mechanism is arranged on the connecting beam 1 and used for adjusting the distance between the fixed teeth 3 and the movable teeth 4; can use fixed tooth, movable tooth to carry out the centre gripping to the bolt fast through motor drive lead screw, the arm of force of different length can be selected in a flexible way to detachable centre gripping subassembly, convenient maintainer application of force when overhauing.
And the controller 5 is arranged on the support arm 2, and the controller 5 is electrically connected with the adjusting mechanism.
Preferably, a sinking groove 61 is formed in one side of the clamping plate 51 away from the connecting shaft 52, a pressure sensor 62 is fixedly arranged on the sinking groove 61, anti-slip threads 63 are formed on the inner side surface of the clamping plate 51, and the pressure sensor 62 is electrically connected with the controller 5.
Preferably, two cutting edges 71 are fixedly arranged on the fixed teeth 3 and the movable teeth 4 on the side of the clamping plate 51 far away from the connecting beam 1, a distance measuring sensor 72 is fixedly arranged on the side of the fixed teeth 3 close to the connecting beam 1, and the distance measuring sensor 72 is electrically connected with the controller 5.
When the bolt needs to be disassembled in the maintenance operation of the nuclear power station, according to the size of the bolt which is visually observed, the switch is pressed to move the movable teeth outwards, the fixed teeth and the movable teeth are placed on two sides of the bolt, and the bolt is stably clamped through the switch; after pulling the arm to screw out the bolt, the maintainer presses the switch to loosen the bolt; when the plane of the bolt head is provided with an obstacle, the locking rod is pulled out to adjust the angle between the clamping plate and the support arm, when the obstacle does not block the support arm, the locking rod is pressed down to fix the clamping plate, and then bolt dismantling operation is carried out; after the battery is used, the supporting arm is reversely screwed to remove the clamping component, and a new supporting arm is replaced to continue to use.
Example 2
In order to further improve the convenience in use who overhauls the instrument, drive the movable tooth through setting up motor and lead screw and remove, stabilize the centre gripping to the bolt fast.
Preferably, guiding mechanism includes that tie-beam 1 is close to the spout 21 that the activity tooth 4 one side was seted up, the one end of activity tooth 4 is equipped with slider 22, slider 22 embedding spout 21's inside fit is connected, one side that the activity tooth 4 was kept away from to slider 22 is equipped with thread tooth 23, tie-beam 1 is located one side that the activity tooth was kept away from to spout 21 and wears to be equipped with lead screw 24 and parallel rather than, thread tooth 23 is connected with the meshing of lead screw 24, the one end that the support arm 2 is close to tie-beam 1 has set firmly motor 25, motor 25's output shaft and lead screw 24 are connected, motor 25 is connected with controller 5 electricity.
Example 3
In order to further improve the stability of this device, avoid nuclear radiation to cause the damage to electrical components through setting up a plurality of inoxidizing coating, reduce the cost of overhauing.
As shown in fig. 2, 3, 7, and 8, preferably, the support arm 2 is hollow, and is divided into a motor compartment 32, a battery compartment 33, and a movable compartment 34 in sequence by two partition boards 31, the motor 25 is fixed inside the motor compartment 32 by a fastening member, the battery 35 is fixed inside the battery compartment 33, the controller 5 is located right above the battery 35, the support arm 2 is provided with a switch 36, the inner wall of the support arm 2 is sequentially provided with a lead protection layer 37, an aluminum protection layer 38, and a rubber protection layer 39 from inside to outside, the lead protection layer 37 is connected and fixed with the aluminum protection layer 38, the rubber protection layer 39 is sleeved on the outer side of the aluminum protection layer 38 and connected to the aluminum protection layer, one end of the movable compartment 34 away from the motor 25 is provided with a sealing cover 301, the sealing cover 301 is connected with the movable compartment 34 in a threaded manner, the outer side of the sealing cover 301 is provided with a circular ring 302, and the battery 35 and the switch 36 are electrically connected to the controller 5 respectively.
Example 4
In order to further improve the convenience of this device, through the high-speed joint head and the rotatory dop that set up, can conveniently carry out quick replacement to battery and support arm, further improve the efficiency of overhauing the maintenance.
As shown in fig. 4, 5, 6, and 11, preferably, an inner hexagonal groove 41 is formed in one end of the screw rod 24 close to the motor 25, a hexagonal prism connector 42 is arranged on an output shaft of the motor 25, the hexagonal prism connector 42 is embedded in the inner portion of the inner hexagonal groove 41 to be connected in a matching manner, two L-shaped connecting grooves 43 are symmetrically formed in the inner wall of one end of the support arm 2 close to the screw rod 24, a connecting table 44 is arranged at one end of the connecting beam 1 far away from the fixed teeth 3, two locking protrusions 45 are symmetrically and fixedly arranged on the outer side of the connecting table 44, and the connecting table 44 is embedded in the support arm 2 and is fixedly connected with the locking protrusions 45 through the L-shaped connecting grooves 43 in a matching manner.
Example 5
In order to further improve the extension length and the angle of clamping, when the bolt is screwed and the side surface is provided with an obstacle, repeated clamping is avoided, and the working efficiency is improved.
As shown in fig. 9 and 10, preferably, two clamping plates 51 are symmetrically arranged on the inner sides of the fixed teeth 3 and the movable teeth 4, connecting shafts 52 are vertically arranged on the outer sides of the clamping plates 51, annular grooves 53 are formed in the inner side surfaces of the fixed teeth 3 and the movable teeth 4, tapered roller bearings 54 are fixedly arranged in the annular grooves 53, one end of each connecting shaft 52 is fixedly connected with the tapered roller bearings 54, the other end of each connecting shaft is fixedly connected with the corresponding clamping plate 51, a plurality of through holes 55 are uniformly formed in the outer side surface of each clamping plate 51 close to the movable teeth 4 in an annular shape, locking holes 56 are formed in the movable teeth 4, locking shafts 57 penetrate through the locking holes 56, and the locking shafts 57 penetrate through the locking holes 56 to be connected with the through holes 55 in a matching manner.
According to the wrench for overhauling the nuclear power nuclear island radiation area, the screw is driven by the motor to quickly clamp the bolt by using the fixed teeth and the movable teeth, the clamping stability can be ensured by matching with the pressure sensor, the bolt is prevented from slipping when being rotated, and the working efficiency is reduced; the force arms with different lengths can be flexibly selected through the detachable clamping assembly, so that the device is convenient to adapt to maintenance of different devices; in addition, the inner hexagonal connector arranged on the output shaft of the motor can be quickly connected with the screw rod, so that the use convenience is improved; the motor bin, the battery bin and the movable bin which are provided with the protective layers can prevent nuclear radiation from damaging electrical elements, so that the service efficiency of the maintenance tool is improved; when the bolt can be disassembled through the rotatable clamping plate and meets a side obstacle, the angle between the support arm and the clamping plate is adjusted, and the situation that the obstacle blocks and needs to be clamped for multiple times is avoided; the device is convenient to cross over obstacles, can prolong the clamping length in the vertical direction and is convenient to clamp bolts with narrow surrounding space; the distance measurement can be conveniently and quickly carried out by maintenance personnel through the distance measurement sensor, and the use efficiency of the tool is further improved; the shearing blade can facilitate the shearing operation of maintainers, and avoid carrying the shearing pliers to reduce the working strength of maintainers; the invention has the advantages of convenient use, good use effect, strong practicability and popularization value.
The above disclosure is only for the preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims (7)

1. The utility model provides a nuclear power nuclear island radiation area overhauls uses wrench which characterized in that includes:
a connecting beam (1);
the clamping assembly is arranged on the connecting beam (1) and used for clamping a bolt;
the support arm (2) is arranged at one end of the connecting beam (1) and is parallel to the connecting beam, and the support arm (2) is connected with the connecting beam (1) and is used for driving the clamping assembly to screw the bolt;
the clamping assembly comprises: the fixed teeth (3) are arranged at one end, far away from the support arm (2), of the connecting beam (1), and the fixed teeth (3) are vertically and fixedly connected with the connecting beam (1); the movable teeth (4) are arranged on the connecting beam (1) and located on one side of the fixed teeth (3), and the movable teeth (4) are vertically connected with the connecting beam (1) in a sliding mode; the adjusting mechanism is arranged on the connecting beam (1) and used for adjusting the distance between the fixed teeth (3) and the movable teeth (4);
and the controller (5) is arranged on the support arm (2), and the controller (5) is electrically connected with the adjusting mechanism.
2. The wrench for overhauling the radiation zone of the nuclear power nuclear island according to claim 1, wherein the adjusting mechanism comprises a sliding groove (21) formed in one side, close to the movable tooth (4), of the connecting beam (1), a sliding block (22) is arranged at one end of the movable tooth (4), the sliding block (22) is embedded in the sliding groove (21) and connected in a matched mode, a threaded tooth (23) is arranged on one side, far away from the movable tooth (4), of the sliding block (22), a lead screw (24) penetrates through and is parallel to one side, far away from the movable tooth, of the connecting beam (1), the threaded tooth (23) is connected with the lead screw (24) in a meshed mode, a support arm motor (25) is fixedly arranged at one end, close to the connecting beam (1), of the motor (25) is connected with the lead screw (24), and the motor (25) is electrically connected with the controller (5).
3. The wrench for overhauling the radiation area of the nuclear power nuclear island as claimed in claim 2, wherein the supporting arm (2) is hollow, the interior of the supporting arm is divided into a motor chamber (32), a battery chamber (33) and a movable chamber (34) by two isolation plates (31), the motor (25) is fixed in the motor chamber (32) by a fastening member, the battery (35) is fixedly arranged in the battery chamber (33), the controller (5) is positioned right above the battery (35), the supporting arm (2) is provided with a switch (36), the inner wall of the supporting arm (2) is sequentially provided with a lead protection layer (37), an aluminum protection layer (38) and a rubber protection layer (39) from inside to outside, the lead protection layer (37) is fixedly connected with the aluminum protection layer (38), the rubber protection layer (39) is sleeved on the outer side of the aluminum protection layer (38) and connected with the aluminum protection layer, one end of the movable chamber (34) far away from the motor (25) is provided with a sealing cover (301), the sealing cover (301) is in threaded fit connection with the movable bin (34), a circular ring (302) is fixedly arranged on the outer side of the sealing cover (301), and the battery (35) and the switch (36) are respectively and electrically connected with the controller (5).
4. The wrench for overhauling the radiation zone of the nuclear power nuclear island according to claim 2, wherein an inner hexagonal groove (41) is formed in one end, close to the motor (25), of the lead screw (24), a hexagonal prism connector (42) is arranged on an output shaft of the motor (25), the hexagonal prism connector (42) is embedded in the inner hexagonal groove (41) to be connected in a matching manner, two L-shaped connecting grooves (43) are symmetrically formed in the inner wall, close to the lead screw (24), of one end of the support arm (2), close to the lead screw (24), respectively, a connecting table (44) is arranged at one end, far away from the fixed teeth (3), of the connecting beam (1), two locking protrusions (45) are symmetrically and fixedly arranged on the outer side of the connecting table (44), and the connecting table (44) is embedded in the support arm (2) and is fixedly connected with the locking protrusions (45) in a matching manner through the L-shaped connecting grooves (43).
5. The wrench for overhauling a nuclear power nuclear island radiation area according to claim 1, the inner sides of the fixed teeth (3) and the movable teeth (4) are symmetrically provided with two clamping plates (51) respectively, the outer sides of the clamping plates (51) are respectively and vertically provided with a connecting shaft (52), the inner side surfaces of the fixed teeth (3) and the movable teeth (4) are provided with an annular groove (53), the inner part of the annular groove (53) is fixedly provided with a tapered roller bearing (54), one end of the connecting shaft (52) is fixedly connected with the tapered roller bearing (54), the other end of the connecting shaft is fixedly connected with the clamping plates (51), the outer side surface of the clamping plate (51) close to the movable teeth (4) is annular and is uniformly provided with a plurality of through holes (55), the movable teeth (4) are provided with locking holes (56), locking shafts (57) penetrate through the locking holes (56), and the locking shafts (57) penetrate through the locking holes (56) and are matched and connected with the through holes (55).
6. The wrench for overhauling the nuclear power nuclear island radiation area according to claim 5, wherein a sinking groove (61) is formed in one side, away from the connecting shaft (52), of the clamping plate (51), a pressure sensor (62) is fixedly arranged on the sinking groove (61), anti-skid grains (63) are arranged on the inner side surface of the clamping plate (51), and the pressure sensor (62) is electrically connected with the controller (5).
7. The wrench for overhauling the radiation area of the nuclear power nuclear island according to claim 1, wherein two shearing blades (71) are fixedly arranged on the fixed teeth (3) and the movable teeth (4) on one side of the clamping plate (51) far away from the connecting beam (1), a distance measuring sensor (72) is fixedly arranged on one side of the fixed teeth (3) close to the connecting beam (1), and the distance measuring sensor (72) is electrically connected with the controller (5).
CN202110666680.0A 2021-06-16 2021-06-16 Wrench for nuclear power nuclear island radiation area maintenance Expired - Fee Related CN113352260B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110666680.0A CN113352260B (en) 2021-06-16 2021-06-16 Wrench for nuclear power nuclear island radiation area maintenance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110666680.0A CN113352260B (en) 2021-06-16 2021-06-16 Wrench for nuclear power nuclear island radiation area maintenance

Publications (2)

Publication Number Publication Date
CN113352260A true CN113352260A (en) 2021-09-07
CN113352260B CN113352260B (en) 2022-11-11

Family

ID=77534480

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110666680.0A Expired - Fee Related CN113352260B (en) 2021-06-16 2021-06-16 Wrench for nuclear power nuclear island radiation area maintenance

Country Status (1)

Country Link
CN (1) CN113352260B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4512221A (en) * 1983-08-25 1985-04-23 Picone John A Electric powered adjustable wrench
US6530298B1 (en) * 2000-03-23 2003-03-11 Michael Steffe Ratcheting open-end wrenches
CN208051779U (en) * 2018-01-04 2018-11-06 铭沣工业自动化(上海)有限公司 A kind of monkey wrench with illumination functions
CN111993323A (en) * 2020-08-11 2020-11-27 吴磊 Mechanical wrench convenient to use and wide in application range
CN112873109A (en) * 2021-01-21 2021-06-01 江苏安全技术职业学院 Novel auto parts mounting fixture

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4512221A (en) * 1983-08-25 1985-04-23 Picone John A Electric powered adjustable wrench
US6530298B1 (en) * 2000-03-23 2003-03-11 Michael Steffe Ratcheting open-end wrenches
CN208051779U (en) * 2018-01-04 2018-11-06 铭沣工业自动化(上海)有限公司 A kind of monkey wrench with illumination functions
CN111993323A (en) * 2020-08-11 2020-11-27 吴磊 Mechanical wrench convenient to use and wide in application range
CN112873109A (en) * 2021-01-21 2021-06-01 江苏安全技术职业学院 Novel auto parts mounting fixture

Also Published As

Publication number Publication date
CN113352260B (en) 2022-11-11

Similar Documents

Publication Publication Date Title
CN113352260B (en) Wrench for nuclear power nuclear island radiation area maintenance
CN204209455U (en) Columnar workpiece bolt presses device
CN203887763U (en) Novel non-adjustable wrench for angle grinder
CN209774353U (en) Angle-adjustable plane grinding clamping device
CN208163492U (en) A kind of movable self-locking spanner
CN217493905U (en) Adjustable grinding wheel dressing mechanism for refiner
CN105252473A (en) Convenient and practical screw cutter for electric power overhauling workers
CN213318806U (en) Tool for machining gear ring
CN214212986U (en) Clamping device convenient to milling machine processing
CN113458821A (en) Special clamp for machining crust breaking cylinder lifting lug for manufacturing high-end equipment
CN112108879A (en) Tool for machining gear ring
CN210060023U (en) Clamp capable of adjusting tubular electrode
CN211387818U (en) High-strength flat tongs screw rod
CN210549760U (en) Disc part double-end-face turning and grinding hydraulic clamp
CN211331541U (en) Plate shearing machine for building convenient to tool changing
CN111805250A (en) Buckle formula channel-section steel unable adjustment base for electric power construction bores mills frock
CN112846867A (en) Novel pneumatic supporting cylinder
CN214393983U (en) Maintenance tool wrench for coal conveying maintenance of power plant
CN216940449U (en) Handle type spark plug dismounting tool
CN220407134U (en) Piece jacking device of turning center
CN218254896U (en) Spanner for equipment maintenance
CN210499883U (en) A remove clamping device for step face milling cutter
CN214110542U (en) Novel building board cutting device
CN214698716U (en) File type nut
CN220348224U (en) Deformation-preventing two-jaw clamp for thin-walled workpiece

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20221111