CN117003082B - Elevator and built-in cage track - Google Patents
Elevator and built-in cage track Download PDFInfo
- Publication number
- CN117003082B CN117003082B CN202311281128.5A CN202311281128A CN117003082B CN 117003082 B CN117003082 B CN 117003082B CN 202311281128 A CN202311281128 A CN 202311281128A CN 117003082 B CN117003082 B CN 117003082B
- Authority
- CN
- China
- Prior art keywords
- cage
- track
- component
- hanging
- lower door
- 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
Links
- 239000000725 suspension Substances 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000007704 transition Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 15
- 238000010276 construction Methods 0.000 description 9
- 230000008676 import Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/02—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable
- B66B9/022—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable by rack and pinion drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
- B66B11/0461—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with rack and pinion gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/04—Door or gate operation of swinging doors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
- B66B13/28—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between car or cage and wells
- B66B13/285—Toe guards or apron devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/021—Guideways; Guides with a particular position in the shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/022—Guideways; Guides with a special shape
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Automation & Control Theory (AREA)
- Civil Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention belongs to the technical field of building construction equipment, and particularly relates to a lifter and a built-in cage track, which comprises a cage and a driving motor, wherein rollers are arranged on the cage, the rollers are slidably arranged in a track groove, the driving motor is arranged on the cage and is positioned above the cage, a driving gear meshed with a rack is arranged at the output end of the driving motor, and the cage comprises an inlet and an outlet. The bottom of the push rod is contacted with the ground through the falling of the suspension cage, the push rod is arranged in the oil cylinder when the suspension cage falls to the lowest point, when the push rod moves towards the inside of the oil cylinder, the push rod can push oil in the oil cylinder to move towards the hydraulic rod, so that the hydraulic rod drives the upper door assembly to be opened upwards to form a shielding part, the lower door assembly swings downwards to be opened to form a transition plate, the transport vehicle can conveniently enter the suspension cage, the upper door assembly and the lower door assembly can be completely opened when the suspension cage falls to the ground completely, the suspension cage door is prevented from being opened, and the suspension cage does not fall to the ground completely.
Description
Technical Field
The invention belongs to the technical field of building construction equipment, and particularly relates to an elevator and a built-in cage rail.
Background
Construction hoist mounts are commonly referred to as construction hoist mounts, but construction hoist includes a broader definition, and construction platforms also belong to the construction hoist family. The simple construction elevator consists of a hanging cage, a driving mechanism, a standard section, an attached wall, a chassis, a fence, an electric system and the like, is a man-carrying and cargo-carrying construction machine frequently used in a building, is comfortable and safe to sit due to the unique box body structure, is usually used together with a tower crane on a construction site, and has a general carrying capacity of 0.3-3.6 tons and an operation speed of 1-96M/min.
The existing suspension cage is pressed on the standard joint through the holding type roller, when the roller falls down, potential safety hazards are caused, lubricating oil is externally smeared, and surface dirt is caused.
Disclosure of Invention
In view of the above, the present invention aims to provide an elevator and a built-in cage rail to solve the above problems.
The technical scheme adopted by the invention is as follows: the elevator comprises a hanging cage and a driving motor, wherein the hanging cage is provided with rollers, the rollers are arranged in a track groove in a sliding mode, the driving motor is arranged on the hanging cage and is positioned above the hanging cage, the output end of the driving motor is provided with a driving gear meshed with a rack, and the hanging cage comprises an inlet and an outlet;
the automatic installation door opening and closing equipment is installed at the inlet and comprises a fence component, an upper door component and a lower door component, the upper door component and the lower door component are respectively and rotatably installed at the upper end and the lower end of the inlet, the fence component is installed at the middle position of the inlet and is arranged between the upper door component and the lower door component, and a driving component for driving the upper door component and the lower door component to be opened is arranged in the suspension cage.
The driving assembly comprises two oil cylinders, two hydraulic rods and two push rods, wherein the two oil cylinders are arranged on the same side in the hanging cage and are respectively communicated with the two hydraulic rods, the two hydraulic rods are positioned on the outer side of the hanging cage and are rotatably connected with the hanging cage, the two hydraulic rods are respectively rotatably connected with the upper door assembly and the lower door assembly, the two push rods are respectively arranged in the two oil cylinders in a sliding mode, elastic pieces are sleeved on the push rods, and the bottoms of the push rods protrude out of the bottoms of the hanging cage.
The bottom of the push rod is provided with a buffer cushion.
The fence assembly comprises a hanging buckle and a clamping hook rod, the hanging buckle and the clamping hook rod are respectively arranged on two sides corresponding to the inlet in a rotating mode, a coil spring is arranged at the joint of the hanging buckle and the clamping hook rod as well as the inlet, the hanging buckle and the clamping hook rod are connected in a mutually-adaptive mode, a limiting groove is formed in the concave track, and the hook part of the clamping hook rod is arranged in the limiting groove.
The upper door assembly comprises an upper door frame and an upper rotating shaft, the upper rotating shaft is arranged on the suspension cage, and the upper door frame is rotatably arranged on the upper rotating shaft.
The lower door assembly comprises a lower door frame and a lower rotating shaft, wherein the lower rotating shaft is arranged on the suspension cage, and the lower door frame is rotatably arranged below the lower rotating shaft.
The utility model provides a built-in cage track, includes support frame and four indent formula tracks, four indent formula tracks are installed respectively on four angles of support frame, indent formula track is the cavity and sets up in forming the track groove, and has seted up and has let the groove in the indent formula track of homonymy keeps away from another indent formula orbital lateral wall of homonymy.
The support frame is equipped with the rack at the lateral wall that is equipped with track subassembly, the rack is located and sets up between two indent tracks of homonymy.
Compared with the prior art, the invention has the following beneficial effects:
1. the utility model provides a lift, make the bottom and the ground contact of push rod through the cage decline to the cage descends to in the hydro-cylinder when the nadir, when the push rod moves towards the hydro-cylinder inside, the push rod can promote the oil in the hydro-cylinder to the hydraulic stem removal, make the hydraulic stem drive go up the door subassembly and upwards open and form the shielding part, and down the door subassembly and open and form the excessive board and make things convenient for the transport vechicle to get into the cage downwards, realize that the cage falls to the ground completely in time, go up the door subassembly and down the door subassembly and just can open completely, prevent that the cage door from opening, the condition that the cage did not fall to the ground completely appears.
2. When the hanging buckle and the hook rod are not connected, the hook part of the hook rod is arranged in the limit groove, and the hanging cage can not move upwards because of the cooperation of the hook part of the hook rod and the limit groove, so that a worker is reminded of the need of connecting the hanging buckle and the hook rod in a mutually adaptive manner, the hanging cage can move upwards, a safety reminding is realized, and the operation safety of the hanging cage is increased.
3. The utility model provides an built-in cage track, through setting up indent formula track for in the gyro wheel of cage falls into indent formula track, realize that the track is built-in, effectually prevented when the gyro wheel problem that drops appears, cause the potential safety hazard, and external lubrication oil of scribbling causes the surface dirty.
Drawings
FIG. 1 is a schematic view of a cage and track construction of the present invention;
FIG. 2 is a schematic structural view of a support frame according to the present invention;
FIG. 3 is a schematic view of the structure of the recessed track of the present invention;
FIG. 4 is an enlarged schematic view of the structure of the present invention A;
FIG. 5 is a schematic view of the upper door assembly and lower door assembly of the present invention deployed;
fig. 6 is a schematic view of the structure of the fence assembly of the present invention;
FIG. 7 is an enlarged schematic view of the structure of the present invention at B;
fig. 8 is an enlarged schematic view of the structure of the roller embedded in the track groove according to the present invention.
The marks in the figure: 1. a support frame; 2. a concave track; 3. a track groove; 4. passing through a yielding groove; 5. a rack; 6. a hanging cage; 7. a driving motor; 8. a roller; 9. a fence assembly; 10. an upper door assembly; 11. a lower door assembly; 12. a drive assembly; 13. an oil cylinder; 14. a hydraulic rod; 15. a push rod; 16. a cushion pad; 17. hanging buckle; 18. a clasp rod; 19. and a limit groove.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1-8, this embodiment provides a lifter, which includes a cage 6 and a driving motor 7, wherein a roller 8 is provided on the cage 6, the roller 8 is slidably disposed in the track groove 3, the driving motor 7 is mounted on the cage 6 and is located above the cage 6, and a driving gear engaged with the rack 5 is mounted at an output end of the driving motor 7. The lifting cage 6 is matched with the rack 5 through the driving motor 7 and is lifted on the supporting frame 1, and the lifting cage 6 comprises an inlet and an outlet; specifically, the import is installed automatic installation and is opened and shut door equipment, and automatic installation is opened and shut door equipment includes rail subassembly 9, goes up door subassembly 10 and lower door subassembly 11 and rotates the upper and lower end position of installing at the import respectively, and rail subassembly 9 is installed in the intermediate position of import to lie in and set up between last door subassembly 10 and lower door subassembly 11, be equipped with in the cage 6 and drive upper door subassembly 10 and lower door subassembly 11 open closed drive assembly 12. When the cage 6 is completely positioned at the bottom, the driving assembly 12 drives the upper door assembly 10 and the lower door assembly 11 to be opened, the fence assembly 9 is positioned at one side of the cage 6 to be conveniently accessed, when the cage 6 operates, the driving assembly 12 drives the upper door assembly 10 and the lower door assembly 11 to be closed, and the fence assembly 9 blocks the inlet, and the inlet is prevented from being carelessly scratched due to the outward arrangement during the inlet operation.
Further, the driving assembly 12 comprises two oil cylinders 13, two hydraulic rods 14 and two push rods 15, the two oil cylinders 13 are all installed on the same side in the hanging cage 6, the two oil cylinders 13 are respectively communicated with the two hydraulic rods 14, the two hydraulic rods 14 are located on the outer side of the hanging cage 6, the hydraulic rods 14 are rotatably connected with the hanging cage 6, the two hydraulic rods 14 are respectively rotatably connected with the upper door assembly 10 and the lower door assembly 11, the two push rods 15 are respectively arranged in the two oil cylinders 13 in a sliding mode, elastic pieces are sleeved on the push rods 15, and the bottoms of the push rods 15 protrude out of the bottoms of the hanging cage 6. Specifically, the bottom of the push rod 15 is provided with a cushion pad 16. The lifting cage 6 descends to enable the push rod 15 to be in contact with the ground, the push rod 15 is arranged in the oil cylinder 13 when the lifting cage 6 descends to the lowest point, when the push rod 15 moves towards the inside of the oil cylinder 13, the push rod 15 can push oil in the oil cylinder 13 to move towards the hydraulic rod 14, the hydraulic rod 14 drives the upper door assembly 10 to open upwards to form a shielding part, the lower door assembly 11 swings downwards to open to form a transition plate, so that a transport vehicle can conveniently enter the lifting cage 6, when the lifting cage 6 falls to the ground completely, the upper door assembly 10 and the lower door assembly 11 can be opened completely, the lifting cage 6 is prevented from being opened, and the situation that the lifting cage 6 does not fall to the ground completely occurs.
Further, the fence component 9 comprises a hanging buckle 17 and a clamping hook rod 18, the hanging buckle 17 and the clamping hook rod 18 are respectively arranged on two sides corresponding to the inlet in a rotating mode, a coil spring is arranged at the joint of the hanging buckle 17 and the clamping hook rod 18 and the inlet, the hanging buckle 17 and the clamping hook rod 18 are arranged in a mutually-adaptive connection mode, a limiting groove 19 is formed in the concave track 2, and the hook part of the clamping hook rod 18 is arranged in the limiting groove 19. When the hanging buckle 17 and the hook rod 18 are not connected, the hook part of the hook rod 18 is arranged in the limit groove 19, and the hanging cage 6 cannot move upwards due to the fact that the hook part of the hook rod 18 is matched with the limit groove 19, so that workers are reminded of the fact that the hanging buckle 17 and the hook rod 18 are connected in a mutually matched mode, the protective hanging cage 6 can move upwards, safety reminding is achieved, and operation safety of the hanging cage 6 is improved.
Further, the upper door assembly 10 includes an upper door frame and an upper rotating shaft, the upper rotating shaft being mounted on the cage 6, and the upper door frame being rotatably mounted on the upper rotating shaft. The upper door frame swings around the upper rotating shaft.
Further, the lower door assembly 11 includes a lower door frame and a lower rotating shaft, the lower rotating shaft is mounted on the cage 6, and the lower door frame is rotatably mounted under the lower rotating shaft. The lower door frame swings around the lower rotation shaft.
The utility model provides a built-in cage track, includes support frame 1 and four indent formula track 2, and four indent formula track 2 are installed respectively on four angles of support frame 1, and indent formula track 2 is the cavity and sets up in forming track groove 3, and has seted up and has let groove 4 by the indent formula track 2 of homonymy keep away from the side wall of another indent formula track 2 of homonymy. Specifically, the rack 5 is installed on the side wall provided with the track assembly, and the rack 5 is arranged between the two concave tracks 2 on the same side. Through setting up indent formula track 2 for in the gyro wheel 8 of cage 6 falls into indent formula track 2, realize that the track is built-in, effectually prevented when the gyro wheel 8 problem that drops appears, caused the potential safety hazard, and external lubrication oil of scribbling causes the surface dirty.
While the basic principles and main features of the invention and advantages of the invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (4)
1. An elevator, characterized in that: the lifting cage comprises a lifting cage, a driving motor, four concave tracks and a supporting frame, wherein the four concave tracks are respectively arranged on four corners of the supporting frame, a through groove is formed in one side wall of the concave track on the same side, which is far away from the other concave track on the same side, a rack is arranged on the side wall provided with a track assembly, the rack is arranged between the two concave tracks on the same side, a track groove is formed in the concave track in a hollow manner, a roller is arranged on the lifting cage, the roller is slidingly arranged in the track groove, the driving motor is arranged on the lifting cage and is positioned above the lifting cage, a driving gear meshed with the rack is arranged at the output end of the driving motor, and the lifting cage comprises an inlet and an outlet;
the automatic installation door opening and closing device comprises a fence component, an upper door component and a lower door component, wherein the upper door component and the lower door component are respectively rotatably installed at the upper end and the lower end of the inlet, the fence component is installed at the middle position of the inlet and is arranged between the upper door component and the lower door component, and a driving component for driving the upper door component and the lower door component to be opened is arranged in the cage;
the fence component comprises a hanging buckle and a clamping hook rod, the hanging buckle and the clamping hook rod are respectively arranged on two sides corresponding to the inlet in a rotating mode, a coil spring is arranged at the joint of the hanging buckle and the clamping hook rod and the inlet, the hanging buckle and the clamping hook rod are mutually connected in an adaptive mode, a limiting groove is formed in the concave track, and the hook part of the clamping hook rod is arranged in the limiting groove;
the driving assembly comprises two oil cylinders, two hydraulic rods and two push rods, wherein the two oil cylinders are arranged on the same side in the hanging cage and are respectively communicated with the two hydraulic rods, the two hydraulic rods are located on the outer side of the hanging cage and are rotatably connected with the hanging cage, the two hydraulic rods are rotatably connected with the upper door assembly and the lower door assembly respectively and are slidably arranged in the two oil cylinders respectively, elastic pieces are sleeved on the push rods, and the bottoms of the push rods protrude out of the bottoms of the hanging cage.
2. An elevator according to claim 1, wherein: the bottom of the push rod is provided with a buffer cushion.
3. An elevator according to claim 1, wherein: the upper door assembly comprises an upper door frame and an upper rotating shaft, the upper rotating shaft is arranged on the suspension cage, and the upper door frame is rotatably arranged on the upper rotating shaft.
4. An elevator according to claim 1, wherein: the lower door assembly comprises a lower door frame and a lower rotating shaft, wherein the lower rotating shaft is arranged on the suspension cage, and the lower door frame is rotatably arranged below the lower rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311281128.5A CN117003082B (en) | 2023-10-07 | 2023-10-07 | Elevator and built-in cage track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311281128.5A CN117003082B (en) | 2023-10-07 | 2023-10-07 | Elevator and built-in cage track |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117003082A CN117003082A (en) | 2023-11-07 |
| CN117003082B true CN117003082B (en) | 2023-12-12 |
Family
ID=88573009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311281128.5A Active CN117003082B (en) | 2023-10-07 | 2023-10-07 | Elevator and built-in cage track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117003082B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202704755U (en) * | 2012-01-01 | 2013-01-30 | 李金道 | Side roller apparatus having safety hook for construction elevator |
| CN204310627U (en) * | 2014-12-22 | 2015-05-06 | 肖细婷 | A kind of building lift |
| CN104803257A (en) * | 2015-03-25 | 2015-07-29 | 南宁市宏涛机械设备有限责任公司 | Lifter having anti-falling function |
| CN105417318A (en) * | 2015-11-26 | 2016-03-23 | 张家港市荣达建筑机械制造有限公司 | Roller anti-disengaging device of construction lifting machine |
| CN206705432U (en) * | 2017-05-12 | 2017-12-05 | 三峡大学 | The safe jacking system of Construction of Silo cage with anticreep track |
| CN210914878U (en) * | 2019-09-20 | 2020-07-03 | 中恒辉建设有限公司 | Construction elevator |
| CN211056491U (en) * | 2019-10-17 | 2020-07-21 | 广东轩宇机械科技有限公司 | Construction elevator flap gate |
| CN217264125U (en) * | 2022-01-12 | 2022-08-23 | 河南大诚机械制造有限公司 | Construction elevator cage |
| WO2023029662A1 (en) * | 2021-09-01 | 2023-03-09 | 中联重科建筑起重机械有限责任公司 | Landing door for elevator, and elevator |
| CN115893163A (en) * | 2022-11-02 | 2023-04-04 | 福建力霸机械科技股份有限公司 | Safe type construction elevator |
| CN219384415U (en) * | 2023-03-03 | 2023-07-21 | 张家港市荣达建筑机械制造有限公司 | Construction elevator |
-
2023
- 2023-10-07 CN CN202311281128.5A patent/CN117003082B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202704755U (en) * | 2012-01-01 | 2013-01-30 | 李金道 | Side roller apparatus having safety hook for construction elevator |
| CN204310627U (en) * | 2014-12-22 | 2015-05-06 | 肖细婷 | A kind of building lift |
| CN104803257A (en) * | 2015-03-25 | 2015-07-29 | 南宁市宏涛机械设备有限责任公司 | Lifter having anti-falling function |
| CN105417318A (en) * | 2015-11-26 | 2016-03-23 | 张家港市荣达建筑机械制造有限公司 | Roller anti-disengaging device of construction lifting machine |
| CN206705432U (en) * | 2017-05-12 | 2017-12-05 | 三峡大学 | The safe jacking system of Construction of Silo cage with anticreep track |
| CN210914878U (en) * | 2019-09-20 | 2020-07-03 | 中恒辉建设有限公司 | Construction elevator |
| CN211056491U (en) * | 2019-10-17 | 2020-07-21 | 广东轩宇机械科技有限公司 | Construction elevator flap gate |
| WO2023029662A1 (en) * | 2021-09-01 | 2023-03-09 | 中联重科建筑起重机械有限责任公司 | Landing door for elevator, and elevator |
| CN217264125U (en) * | 2022-01-12 | 2022-08-23 | 河南大诚机械制造有限公司 | Construction elevator cage |
| CN115893163A (en) * | 2022-11-02 | 2023-04-04 | 福建力霸机械科技股份有限公司 | Safe type construction elevator |
| CN219384415U (en) * | 2023-03-03 | 2023-07-21 | 张家港市荣达建筑机械制造有限公司 | Construction elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117003082A (en) | 2023-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111661785A (en) | Novel construction elevator drive mechanism | |
| CN210855117U (en) | Hydraulic fixed lifting platform | |
| CN117003082B (en) | Elevator and built-in cage track | |
| CN208932898U (en) | A kind of novel civil building engineering material elevator attachment device | |
| CN116477466A (en) | Port gantry crane | |
| CN205955551U (en) | But self -closing's push -and -pull door | |
| CN214818452U (en) | Electromechanical device repair tools case | |
| CN212473055U (en) | Steel wire rope side hanging mechanism for special door of refrigerator car | |
| CN209023975U (en) | Elevator spring damper | |
| CN208327245U (en) | A kind of lifting column is provided with the elevator of sealing structure | |
| CN217687913U (en) | Sampling barrel lifting device | |
| CN215828115U (en) | A safe lift for housing construction | |
| CN214693112U (en) | Carrying device of intelligent building beam column manufacturing equipment | |
| CN219751594U (en) | Double-opening fence door of construction lifter | |
| CN205652953U (en) | High -speed landing protection device of elevator | |
| CN214087405U (en) | Cross rail monospar hoist | |
| CN210151678U (en) | Semi-automatic door cover that moves of hoist formula headstock gear frame | |
| CN219906798U (en) | Construction elevator convenient for carrying materials | |
| CN105298086B (en) | Full automatic safety cover plate | |
| CN218579499U (en) | High-temperature-resistant bridge crane | |
| CN216512603U (en) | Novel bidirectional SWL lead screw lifter | |
| CN2439421Y (en) | Underground type garbage transferring station | |
| CN215854853U (en) | Arm-holding type vehicle body transfer lifter | |
| CN206915617U (en) | One kind is with car oil machine hoisting mechanism | |
| CN219519933U (en) | Cleaning device for processing piston piece |
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 |