CN211863968U - Sewage treatment just sinks pond dross well hoisting device - Google Patents

Sewage treatment just sinks pond dross well hoisting device Download PDF

Info

Publication number
CN211863968U
CN211863968U CN201922404451.2U CN201922404451U CN211863968U CN 211863968 U CN211863968 U CN 211863968U CN 201922404451 U CN201922404451 U CN 201922404451U CN 211863968 U CN211863968 U CN 211863968U
Authority
CN
China
Prior art keywords
fixed box
plate
well
sewage treatment
box
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.)
Active
Application number
CN201922404451.2U
Other languages
Chinese (zh)
Inventor
于涛
鲁欢
何海军
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.)
Shenzhen Century Shengyuan Environmental Technology Co Ltd
Original Assignee
Shenzhen Century Shengyuan Environmental Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Century Shengyuan Environmental Technology Co Ltd filed Critical Shenzhen Century Shengyuan Environmental Technology Co Ltd
Priority to CN201922404451.2U priority Critical patent/CN211863968U/en
Application granted granted Critical
Publication of CN211863968U publication Critical patent/CN211863968U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Removal Of Floating Material (AREA)

Abstract

The utility model belongs to the technical field of hoisting device, especially, sewage treatment is heavy pond dross well hoisting device just, need the staff to pull the sieve case to the sieve case and just can pull out the sieve case from dross well position to the contrast file, the staff is located dross well position and produces fear easily, the problem of bringing inconvenience for staff's work, the scheme as follows is put forward now, it includes the dross well, the sieve case, the stay cord, rotate motor and pillar, the inside of dross well is arranged in to the sieve case, the top fixedly connected with fixed box of dross well, the backup pad is installed in the top rotation of fixed box, pillar fixed mounting is at the top of backup pad, rotate one side of motor fixed connection at the pillar. The utility model provides a contrast file need the staff to pull the problem that just can drag out the sieve plate case from dross well position to the sieve plate case, can conveniently remove the device when not using simultaneously, practices thrift the manpower, avoids artifical transport.

Description

Sewage treatment just sinks pond dross well hoisting device
Technical Field
The utility model relates to a hoisting device technical field especially relates to a sewage treatment just sinks pond dross well hoisting device.
Background
In the process of sewage treatment, the sewage is primarily sunk and is subjected to residue floating, so that the scum is treated by using a lifting device, and the lifting device lifts the filter vat for collecting the scum through a traction rope.
By way of retrieval, application No.: 201822180444.4 or grant publication No. CN 209423030U's patent document provides a sewage treatment primary sedimentation tank dross well hoisting device, including the sieve plate case, the inside of dross well is arranged in to the sieve plate case, the left side and the right side of sieve plate case all are provided with the slider, the spout has been seted up to the vertical symmetry of the left side of dross well and right side inner wall, the inside bottom of dross well left side spout is provided with pressure sensor, the top right side of dross well is provided with the fixed plate, the last fixed surface of fixed plate installs the pillar, the upper end left side and the top of pillar are provided with motor case and alarm respectively, the internally mounted of motor case has the rotation motor. The utility model discloses a be provided with pressure sensor, can detect the dross weight on the sieve case, when the dross weight of sieve incasement reaches pressure sensor's setting value, pressure sensor passes the control treater to data, and control treater control rotates motor work, drives line section of thick bamboo clockwise rotation through the dwang, and the stay cord can be promoted out the sieve case from the dross well.
Foretell patent file needs the staff to pull the sieve case and just can pull out the sieve case from dross well position, and the staff is located dross well position and produces fear easily, brings inconvenience for the staff work.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the contrast file and needing the staff to pull just can drag out the sieve plate case from dross well position to the sieve plate case, the staff is located dross well position and produces fear easily, brings inconvenient shortcoming for staff's work, and the sewage treatment who provides is heavy pond dross well hoisting device just.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a lifting device for a scum well of a sewage treatment primary sedimentation tank comprises the scum well, a sieve plate box, a pull rope, a rotating motor and a support column, wherein the sieve plate box is arranged in the scum well, the top of the scum well is fixedly connected with a fixed box, the top of the fixed box is rotatably provided with a support plate, the support column is fixedly arranged at the top of the support plate, the rotating motor is fixedly connected to one side of the support column, an output shaft of the support column is fixedly connected with a winding wheel, the pull rope is provided with a hook which is movably connected with the sieve plate box, the pull rope is fixedly connected with the winding wheel, the inner wall of the top of the fixed box is fixedly connected with a servo motor, the output shaft of the servo motor is fixedly connected with the bottom of the support plate, the inner walls of the two sides of the fixed box are both slidably provided with lifting plates, the bottom of, the universal wheels are movably connected with the corresponding through holes.
Preferably, slidable mounting has two pulling force pieces on the bottom inner wall of fixed box, all rotates the one end of installing the down tube on two pulling force pieces, and the other end of two down tubes rotates with two lifter plates respectively to be connected, rotates on the bottom inner wall of fixed box to install two threaded rods, two pulling force pieces respectively with two threaded rod threaded connection, the threaded rod rotates and to drive the pulling force piece and remove.
Preferably, the inner wall of the bottom of the fixing box is rotatably provided with a hand rocking shaft, one end of each threaded rod, which is close to each other, is fixedly provided with a first bevel gear, one end of the hand rocking shaft is fixedly provided with a second bevel gear, the two first bevel gears are meshed with the second bevel gear, and the two first bevel gears are symmetrically arranged.
Preferably, the other end of hand rocking shaft extends to the outside fixed mounting of fixed box and has the hand rocking plate, and the eccentric position of hand rocking plate rotates and installs the hand rocking bar, has seted up the movable hole on the hand rocking plate, and movable mounting has the locating pin in the movable hole, and a plurality of constant head tanks have evenly been seted up in the outside of fixed box, and the locating pin is arranged for the annular with the constant head tank looks adaptation that corresponds, a plurality of constant head tanks.
Preferably, four support rods are vertically and fixedly installed in the fixed box, the lifting plate is in sliding connection with the two corresponding support rods, and the support rods guide the lifting plate.
Preferably, the top fixed mounting of fixed box has the annular piece, and the ring channel has been seted up to the bottom of backup pad, annular piece and ring channel sliding connection, and the annular piece plays the effect of support direction to the backup pad through the ring channel.
Preferably, a plurality of balls are embedded in the top of the annular block, the balls are in sliding connection with the inner wall of the top of the annular groove, and the balls are in contact with the annular groove to reduce friction force.
Compared with the prior art, the utility model has the advantages of:
(1) this scheme passes through servo motor and drives the backup pad and rotate, and the backup pad passes through the stand, rotates motor, rolling wheel, stay cord and drives the sieve case rotatory, can drive the sieve case and rotate and leave and can conveniently tak away the sieve case away, avoids causing the panic to the staff.
(2) When this scheme need remove the device, dismantle the back from the dross well with fixed box, wave the hand pole, the hand pole passes through hand crank, second bevel gear, two first bevel gears, two threaded rods, two pulling force pieces, two down tube drive two lifter plates downstream respectively, the lifter plate drives two universal wheel downstream that correspond through two supporting legs and ground contact can conveniently remove fixed box, place and remove the device, practices thrift the manpower, avoids artifical transport.
(3) This scheme can increase the fixed stability of hand cranking board with the locating pin insert in the constant head tank that corresponds.
The utility model provides a contrast file need the staff to pull the problem that just can drag out the sieve plate case from dross well position to the sieve plate case, can conveniently remove the device when not using simultaneously, practices thrift the manpower, avoids artifical transport.
Drawings
Fig. 1 is a schematic structural view of a lifting device for a scum well of a sewage treatment primary sedimentation tank, which is provided by the utility model;
fig. 2 is a schematic structural view of a part a of a lifting device for a scum well of a sewage treatment primary sedimentation tank, which is provided by the utility model;
fig. 3 is a schematic side view of the fixing box, the lifting plate, the diagonal rods, the supporting legs, the universal wheels and the like of the lifting device for the scum well of the primary sedimentation tank for sewage treatment provided by the utility model;
fig. 4 is a schematic view of a top-view connection structure of a first bevel gear, a second bevel gear, a threaded rod and a hand rocker of the lifting device for a scum well of a sewage treatment primary sedimentation tank of the utility model;
fig. 5 is the three-dimensional structure schematic diagram of the fixing box, the annular block, the hand-operated plate and the hand-operated rod of the lifting device for the scum well of the sewage treatment primary sedimentation tank provided by the utility model.
In the figure: 1 sieve plate box, 2 stay ropes, 3 rotating motors, 4 pillars, 5 fixing boxes, 6 supporting plates, 7 annular grooves, 8 annular blocks, 9 servo motors, 10 lifting plates, 11 supporting rods, 12 supporting legs, 13 universal wheels, 14 diagonal rods, 15 tension blocks, 16 threaded rods, 17 first bevel gears, 18 second bevel gears, 19 hand rocking shafts, 20 hand rocking plates, 21 positioning pins, 22 hand rocking rods and 23 positioning grooves.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-5, a lifting device for a scum well of a sewage treatment primary sedimentation tank comprises a scum well, a sieve plate box 1, a pull rope 2, a rotating motor 3 and a support column 4, wherein the sieve plate box 1 is arranged in the scum well, the top of the scum well is fixedly connected with a fixed box 5, the top of the fixed box 5 is rotatably provided with a support plate 6, the support column 4 is fixedly arranged at the top of the support plate 6, the rotating motor 3 is fixedly connected with one side of the support column 4, an output shaft of the support column 4 is fixedly connected with a winding wheel, the pull rope 2 is provided with a hook which is movably connected with the sieve plate box 1, the pull rope 2 is fixedly connected with the winding wheel, the inner wall of the top of the fixed box 5 is fixedly connected with a servo motor 9, the output shaft of the servo motor 9 is fixedly connected with the bottom of the support plate 6, lifting plates 10 are respectively and slidably arranged, the bottom of supporting leg 12 is provided with universal wheel 13, and four through-holes have been seted up to the bottom of fixed box 5, universal wheel 13 and the through-hole swing joint that corresponds.
In this embodiment, slidable mounting has two pulling force pieces 15 on the bottom inner wall of fixed box 5, all rotates the one end of installing down tube 14 on two pulling force pieces 15, and the other end of two down tubes 14 rotates with two lifter plates 10 respectively to be connected, rotates on the bottom inner wall of fixed box 5 and installs two threaded rods 16, and two pulling force pieces 15 respectively with two threaded rods 16 threaded connection, threaded rod 16 rotate and to drive pulling force piece 15 and remove.
In this embodiment, the inner wall of the bottom of the fixing box 5 is rotatably provided with a hand-operated shaft 19, one ends of the two threaded rods 16 close to each other are fixedly provided with first bevel gears 17, one end of the hand-operated shaft 19 is fixedly provided with second bevel gears 18, the two first bevel gears 17 are engaged with the second bevel gears 18, and the two first bevel gears 17 are symmetrically arranged.
In this embodiment, the other end of hand axle 19 extends to the outside fixed mounting of fixed box 5 has hand board 20, and hand board 20's eccentric position rotates and installs hand pole 22, has seted up the movable hole on hand board 20, and movable hole movable mounting has locating pin 21, and a plurality of constant head tanks 23 have evenly been seted up in the outside of fixed box 5, and locating pin 21 and the constant head tank 23 looks adaptation that corresponds, a plurality of constant head tanks 23 are arranged for the annular.
In this embodiment, four support rods 11 are vertically and fixedly installed in the fixing box 5, the lifting plate 10 is slidably connected to the two corresponding support rods 11, and the support rods 11 guide the lifting plate 10.
In this embodiment, the top of the fixing box 5 is fixedly provided with the annular block 8, the bottom of the supporting plate 6 is provided with the annular groove, the annular block 8 is in sliding connection with the annular groove, and the annular block 8 plays a role in supporting and guiding the supporting plate 6 through the annular groove.
In this embodiment, a plurality of balls are embedded in the top of the annular block 8, the balls are slidably connected with the inner wall of the top of the annular groove, and the balls are in contact with the annular groove to reduce friction.
Example two
Referring to fig. 1-5, a lifting device for a scum well of a sewage treatment primary sedimentation tank comprises a scum well, a sieve plate box 1, a pull rope 2, a rotating motor 3 and a support column 4, wherein the sieve plate box 1 is arranged inside the scum well, the top of the scum well is fixedly connected with a fixed box 5 through screws, the top of the fixed box 5 is rotatably provided with a support plate 6, the support column 4 is fixedly arranged at the top of the support plate 6 through welding, the rotating motor 3 is fixedly connected at one side of the support column 4 through screws, an output shaft of the support column 4 is fixedly connected with a winding wheel through screws, the pull rope 2 is provided with a hook which is movably connected with the sieve plate box 1, the pull rope 2 is fixedly connected with the winding wheel through screws, the inner wall of the top of the fixed box 5 is fixedly connected with a servo motor 9 through screws, the output shaft of the servo motor 9 is fixedly connected with the bottom of the support plate 6 through, two supporting legs 12 are installed through welded fastening in the bottom of lifter plate 10, the bottom of supporting leg 12 is provided with universal wheel 13, four through-holes have been seted up to the bottom of fixed box 5, universal wheel 13 and the through-hole swing joint that corresponds, servo motor 9 drives backup pad 6 and rotates, backup pad 6 drives through stand 4 and rotates motor 3 and rolling wheel rotation, the rolling wheel passes through stay cord 2 and drives sieve plate case 1 rotatory, can drive sieve plate case 1 and rotate and leave the scum well, can conveniently take sieve plate case 1 away.
In this embodiment, slidable mounting has two pulling force pieces 15 on the bottom inner wall of fixed box 5, all rotate the one end of installing down tube 14 on two pulling force pieces 15, the other end of two down tubes 14 rotates with two lifter plates 10 respectively to be connected, rotate on the bottom inner wall of fixed box 5 and install two threaded rods 16, two pulling force pieces 15 respectively with two threaded rods 16 threaded connection, threaded rod 16 rotates and to drive pulling force piece 15 and remove, pulling force piece 15 can drive lifter plate 10 through down tube 14 and go up and down.
In this embodiment, rotate on the bottom inner wall of fixed box 5 and install hand rocking shaft 19, the one end that two threaded rods 16 are close to each other all has first bevel gear 17 through welded fastening, welded fastening is passed through to the one end of hand rocking shaft 19 and is installed second bevel gear 18, two first bevel gears 17 all mesh with second bevel gear 18, two first bevel gears 17 set up for the symmetry, hand rocking shaft 19 drives two first bevel gear 17 rotations through second bevel gear 18, and two first bevel gear 17 direction of rotation are opposite, two first bevel gears 17 drive two threaded rods 16 respectively and rotate, and the opposite direction of rotation of two threaded rods 16.
In this embodiment, hand board 20 is installed through welded fastening in the outside that the other end of hand axle 19 extends to fixed box 5, hand pole 22 is installed in the eccentric position rotation of hand board 20, the movable hole has been seted up on hand board 20, movable hole movable mounting has locating pin 21, a plurality of constant head tanks 23 have evenly been seted up in the outside of fixed box 5, locating pin 21 and the constant head tank 23 looks adaptation that corresponds, locating pin 21 can increase hand board 20 fixedly in getting into the constant head tank 23 that corresponds, a plurality of constant head tanks 23 are arranged for the annular.
In this embodiment, four support rods 11 are vertically fixedly installed in the fixing box 5 by welding, the lifting plate 10 is slidably connected with the two corresponding support rods 11, and the support rods 11 guide the lifting plate 10.
In this embodiment, the top of the fixing box 5 is fixedly provided with the annular block 8 by welding, the bottom of the supporting plate 6 is provided with the annular groove, the annular block 8 is in sliding connection with the annular groove, and the annular block 8 plays a role in supporting and guiding the supporting plate 6 through the annular groove.
In this embodiment, a plurality of balls are embedded in the top of the annular block 8, the balls are slidably connected with the inner wall of the top of the annular groove, and the balls are in contact with the annular groove to reduce friction.
In this embodiment, during the use, with electrical equipment equal switch on, will fix box 5 and pass through the screw fixation in scum well position, can learn through the comparison file: the winding wheel is driven to rotate by the rotating motor 3, and the sieve plate box 1 can be driven to move upwards through the pull rope 2 to leave the scum well. In the present application: drive backup pad 6 through servo motor 9 and rotate, backup pad 6 drives through stand 4 and rotates motor 3 and wind-up pulley rotation, the wind-up pulley drives sieve plate case 1 through stay cord 2 and rotates, can drive sieve plate case 1 and rotate and leave and can conveniently take sieve plate case 1 away, if when not using, dismantle back from the dross well with fixed box 5, wave hand lever 22, hand lever 22 drives hand shaft 19 through hand board 20 and rotates, hand shaft 19 drives two first bevel gears 17 through second bevel gear 18 and rotates, and two first bevel gears 17 rotate opposite direction, two first bevel gears 17 drive two threaded rods 16 respectively and rotate, and the rotation opposite direction of two threaded rods 16, two threaded rods 16 rotate and drive two pull blocks 15 respectively and be close to each other, pull block 15 can drive lifter plate 10 through down motion of down rod 14, lifter plate 10 can conveniently fix through two supporting legs 12 drive two corresponding universal wheels 13 and move down and ground contact The box 5 moves, the positioning pin 21 is inserted into the corresponding positioning groove 23, the stability of fixing the hand-cranking plate 20 can be improved, the fixed box 5 can be moved away, and the universal wheel 13 can be folded through reverse operation.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims (7)

1. A lifting device for a scum well of a sewage treatment primary sedimentation tank comprises the scum well, a sieve plate box (1), a pull rope (2), a rotating motor (3) and a support column (4), wherein the sieve plate box (1) is arranged in the scum well, and is characterized in that the top of the scum well is fixedly connected with a fixed box (5), the top of the fixed box (5) is rotatably provided with a support plate (6), the support column (4) is fixedly arranged at the top of the support plate (6), the rotating motor (3) is fixedly connected at one side of the support column (4), an output shaft of the support column (4) is fixedly connected with a winding wheel, the pull rope (2) is provided with a hook which is movably connected with the sieve plate box (1), the pull rope (2) is fixedly connected with the winding wheel, the inner wall of the top of the fixed box (5) is fixedly connected with a servo motor (9), and the output shaft of the servo motor (9) is fixedly connected with the, all slidable mounting has lifter plate (10) on the both sides inner wall of fixed box (5), and the bottom fixed mounting of lifter plate (10) has two supporting legs (12), and the bottom of supporting leg (12) is provided with universal wheel (13), and four through-holes have been seted up to the bottom of fixed box (5), universal wheel (13) and the through-hole swing joint who corresponds.
2. The scum well lifting device of the sewage treatment primary sedimentation tank of claim 1, wherein two tension blocks (15) are slidably mounted on the inner bottom wall of the fixed box (5), one ends of the inclined rods (14) are rotatably mounted on the two tension blocks (15), the other ends of the two inclined rods (14) are rotatably connected with the two lifting plates (10), two threaded rods (16) are rotatably mounted on the inner bottom wall of the fixed box (5), and the two tension blocks (15) are respectively in threaded connection with the two threaded rods (16).
3. The dross well hoisting device of a sewage treatment primary settling tank of claim 1, wherein a hand-operated shaft (19) is rotatably mounted on the inner wall of the bottom of the fixed box (5), a first bevel gear (17) is fixedly mounted at the end of each of the two threaded rods (16) close to each other, a second bevel gear (18) is fixedly mounted at one end of the hand-operated shaft (19), and the two first bevel gears (17) are engaged with the second bevel gear (18).
4. The sewage treatment primary settling tank dross well hoisting device of claim 3, wherein the other end of the hand rocking shaft (19) extends to the outside of the fixed box (5) and is fixedly provided with a hand rocking plate (20), the eccentric position of the hand rocking plate (20) is rotatably provided with a hand rocking rod (22), the hand rocking plate (20) is provided with a movable hole, the movable hole is internally and movably provided with a positioning pin (21), the outside of the fixed box (5) is uniformly provided with a plurality of positioning grooves (23), and the positioning pin (21) is matched with the corresponding positioning grooves (23).
5. The lifting device for the scum well of the sewage treatment primary sedimentation tank of claim 1, wherein four support rods (11) are vertically and fixedly arranged in the fixed box (5), and the lifting plate (10) is slidably connected with the two corresponding support rods (11).
6. The lifting device for the scum well of the sewage treatment primary sedimentation tank of claim 1, wherein the top of the fixed box (5) is fixedly provided with an annular block (8), the bottom of the support plate (6) is provided with an annular groove, and the annular block (8) is connected with the annular groove in a sliding manner.
7. The wastewater treatment primary settling tank dross well lifting device of claim 6, wherein a plurality of balls are embedded in the top of the annular block (8), and the balls are slidably connected with the inner wall of the top of the annular groove.
CN201922404451.2U 2019-12-27 2019-12-27 Sewage treatment just sinks pond dross well hoisting device Active CN211863968U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922404451.2U CN211863968U (en) 2019-12-27 2019-12-27 Sewage treatment just sinks pond dross well hoisting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922404451.2U CN211863968U (en) 2019-12-27 2019-12-27 Sewage treatment just sinks pond dross well hoisting device

Publications (1)

Publication Number Publication Date
CN211863968U true CN211863968U (en) 2020-11-06

Family

ID=73263069

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922404451.2U Active CN211863968U (en) 2019-12-27 2019-12-27 Sewage treatment just sinks pond dross well hoisting device

Country Status (1)

Country Link
CN (1) CN211863968U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114449366A (en) * 2021-12-21 2022-05-06 陕西小保当矿业有限公司 Mine underground 5G network embedded base station

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114449366A (en) * 2021-12-21 2022-05-06 陕西小保当矿业有限公司 Mine underground 5G network embedded base station
CN114449366B (en) * 2021-12-21 2023-11-03 陕西小保当矿业有限公司 Mine underground 5G network embedded base station

Similar Documents

Publication Publication Date Title
CN203680507U (en) Die table storing and taking device
CN110526155B (en) Lifting device for be used for road electromechanical
CN111606217A (en) Mechanical automation equipment is with hanging device of getting
CN211863968U (en) Sewage treatment just sinks pond dross well hoisting device
CN212198405U (en) Automatic elevator
CN111977524A (en) Urban drainage pipeline installation is with lifting by crane equipment
CN208327235U (en) A kind of building machinery hoistable platform convenient for adjusting
CN211712528U (en) Mechanical equipment leveling device
CN205061422U (en) Handling machine that rises automatically and turn to for building
CN111999461A (en) COD on-line monitoring equipment
CN106404361A (en) Adjusting apparatus for structural test loading reaction frame
KR200464143Y1 (en) Floodgate winch
CN206836569U (en) A kind of lift lectern
CN211712329U (en) Miniature machine that leads is used in electric wire netting construction
CN210949178U (en) Lifting device for oil-submersible pump
CN112456325A (en) Energy-concerving and environment-protective construction waste normal position advanced treatment equipment
CN111776963A (en) Engine hoisting and overturning device
CN201831369U (en) Multifunctional rotating bed
CN209038942U (en) A kind of underground coal mine driving face water pump lifting device
CN208007026U (en) The electric assisting apparatus of server cabinet built-in device is installed
CN111140727A (en) Fixing seat of chemical water treatment equipment
CN205776210U (en) A kind of column up-down mechanism
CN214141261U (en) Energy-concerving and environment-protective construction waste normal position advanced treatment equipment
CN104534247B (en) A kind of electronic supporting leg
CN219116948U (en) Lifting tool for fuel basket

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant