CN115009995A - Mute type double-beam European crane - Google Patents
Mute type double-beam European crane Download PDFInfo
- Publication number
- CN115009995A CN115009995A CN202210819193.8A CN202210819193A CN115009995A CN 115009995 A CN115009995 A CN 115009995A CN 202210819193 A CN202210819193 A CN 202210819193A CN 115009995 A CN115009995 A CN 115009995A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- wheel
- driving
- cam
- silent
- 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.)
- Pending
Links
- 229920001821 foam rubber Polymers 0.000 claims abstract description 5
- 230000001050 lubricating effect Effects 0.000 claims description 25
- 238000005192 partition Methods 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000010687 lubricating oil Substances 0.000 abstract description 13
- 238000005461 lubrication Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 abstract description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000007790 scraping Methods 0.000 description 8
- 239000002184 metal Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N9/00—Arrangements for supplying oil or unspecified lubricant from a moving reservoir or the equivalent
- F16N9/04—Arrangements for supplying oil or unspecified lubricant from a moving reservoir or the equivalent with reservoir on or in a reciprocating, rocking, or swinging member
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a silent type double-beam European crane which comprises a beam frame, wherein the surface of the beam frame is fixedly connected with a transverse rail, the surface of the transverse rail is connected with a hoisting assembly in a sliding manner, and one side of the hoisting assembly is rotatably connected with an electric wheel driven by a motor. This two roof beam european style cranes of silent type, recess internal rotation including the drive wheel of lubricated case below when lifting by crane the subassembly motion, drive cam rotation and extrude the foam-rubber cushion after slowing down, the foam-rubber cushion receives the inside lubricating oil of extrusion to fall into from the dead slot and cuts off in the cover, adsorb on the drive wheel surface, recess including scribbling through the drive wheel, lubricate electronic round, when the motion, cam intermittent type rotates, mend oil lubrication to electronic round, can effectively prevent noise abnormal sound, and the intermittent type is mended oil, greatly reduced the loss of lubricating oil.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a silent double-beam European crane.
Background
European bridge crane, it is light to have the dead weight, and the structure is small and exquisite, and the energy consumption is lower, sets up a dolly and hoisting mechanism on the crane span structure, and the dolly can move around, and the mechanism such as cart operation realizes that the material object is carried in cubical space, compares with traditional hoist, and the lifting hook is minimum to the limit distance on ground, and the headroom is minimum, and the hoisting height is higher, has increased effectual operating space in the work place.
According to the european type crane with the low static air and the double main beams, which is disclosed in the patent No. CN113879974A, the height of the telescopic frame can be adjusted by limiting the height of the limiting block in the lubricating component during use, but the european type crane with the low static air and the double main beams has the following problems that after a crane driving wheel rotates for a long time, the surface friction generates rust, abnormal noise is generated, and the lubricating component has large loss on lubricating oil.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a silent type double-beam European crane, which solves the problems.
In order to achieve the purpose, the invention is realized by the following technical scheme: a silent double-beam European crane comprises a beam frame, wherein a transverse rail is fixedly connected to the surface of the beam frame, a hoisting assembly is slidably connected to the surface of the transverse rail, an electric wheel driven by a motor is rotatably connected to one side of the hoisting assembly, an inner groove in rolling connection with the surface of the electric wheel is formed in the inner cavity of the transverse rail, a lubricating box is fixedly connected to the surface of the hoisting assembly, a driving wheel is rotatably connected to the lower part of the lubricating box through a driving shaft, a partition cover covering the driving wheel is fixedly connected to the inner cavity of the lubricating box, a hollow groove is formed in the surface of the partition cover, a driven shaft is rotatably connected to the inner cavity of the lubricating box, a cam positioned above the driving wheel is fixedly connected to the surface of the driven shaft, a sponge pad is fixedly connected to the surface of the lubricating box between the cam and the driving wheel, and the surfaces of the cam and the driving wheel are abutted to the surface of the sponge pad, the surface fixed connection of drive shaft has the driving gear, the fixed surface of driven shaft is connected with the deceleration gear with the surface toothing of driving gear, the surface intercommunication of lubricated case has the charge door, the bottom intercommunication of charge door has the filling tube that runs through to lubricated bottom of the case, the surface of drive wheel and the inner chamber roll connection of inner groovy.
As a further scheme of the invention: the cam is positioned right above the empty groove.
As a further scheme of the invention: the lifting component is characterized in that a fixing frame is fixedly connected to one side of the lifting component, a driving cylinder is fixedly connected to the upper portion of the fixing frame, an extending plate is fixedly connected to the bottom end of a piston rod of the driving cylinder, a protrusion matched with an inner cavity of an inner groove is formed in the bottom of the extending plate, and a scraping blade is fixedly connected to the bottom of the protrusion.
As a further scheme of the invention: the bottom of the transverse rail is fixedly connected with a collecting box, and the surface of the transverse rail, which is positioned above the collecting box, is provided with a blanking port.
As a further scheme of the invention: the lubricating box and the fixing frame are respectively arranged on two sides of the electric wheel.
As a further scheme of the invention: the lowest height of the electric wheels and the driving wheels is flush.
The use method of the crane comprises the following steps: the motor drives the electric wheels to rotate to drive the hoisting assembly to move above the transverse track to adjust the position, when the sponge mat moves, the driving wheel below the lubricating box rotates in the inner groove, the driving gear drives the reduction gear to rotate, the driven shaft is driven to rotate after the reduction of the driving gear and the reduction gear, the cam is driven to rotate, the sponge mat is extruded by the rotation of the cam through the bulge, the lubricating oil inside the extruded sponge mat falls into the partition cover from the empty groove, is adsorbed on the surface of the driving wheel and is coated on the inner groove through the driving wheel, the electric wheel is lubricated, after the electric wheel is used for a period of time, the lubricating oil in the inner groove is mixed with metal scraps, the electric wheel cannot be normally lubricated, the driving cylinder is started to drive the scraping blade to move downwards to scrape dirt in the inner groove, under the drive of the hoisting component, the scraping blade moves to push the oil stain to the blanking port and then falls into the collecting box for collection.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the electric wheel lifting device, the driving wheel below the lubricating box rotates in the inner groove when the lifting assembly moves, the cam is driven to rotate to extrude the spongy cushion after the speed is reduced, lubricating oil in the extruded spongy cushion falls into the partition cover from the empty groove, is adsorbed on the surface of the driving wheel, is smeared on the inner groove through the driving wheel, and lubricates the electric wheel.
2. According to the invention, after the device is used for a period of time, the lubricating oil in the inner groove is mixed with metal scraps, the metal scraps cannot be normally lubricated, the driving cylinder is started to drive the scraping blade to move downwards to scrape off the dirt in the inner groove, and the scraping blade moves to push the dirt to the blanking port and fall into the collecting box to be collected under the driving of the lifting assembly.
Drawings
FIG. 1 is a top view of the structure of the present invention;
FIG. 2 is a top view of the structure of the lubrication box of the present invention;
FIG. 3 is a cross-sectional view of the construction of the lubrication box of the present invention;
fig. 4 is a structural side view of the fixing frame of the present invention.
In the figure: 1. a beam frame; 2. a transverse rail; 3. an inner groove; 4. a hoisting assembly; 5. an electric wheel; 6. a lubrication box; 7. a driving cylinder; 8. a drive shaft; 9. a drive wheel; 10. a partition cover; 11. an empty groove; 12. a driven shaft; 13. a cam; 14. a sponge cushion; 15. a feed inlet; 16. a feed tube; 17. a reduction gear; 18. a driving gear; 19. a fixed mount; 20. an extension plate; 21. scraping a blade; 22. a blanking port; 23. and a collection box.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-4, the present invention provides a technical solution: a silent type double-beam European crane comprises a beam frame 1, wherein a transverse rail 2 is fixedly connected to the surface of the beam frame 1, a hoisting assembly 4 is slidably connected to the surface of the transverse rail 2, an electric wheel 5 driven by a motor is rotatably connected to one side of the hoisting assembly 4, an inner groove 3 in rolling connection with the surface of the electric wheel 5 is formed in the inner cavity of the transverse rail 2, a lubricating box 6 is fixedly connected to the surface of the hoisting assembly 4, a driving wheel 9 below the lubricating box 6 rotates in the inner groove 3 when the hoisting assembly 4 moves, a cam 13 is driven to rotate to extrude a spongy cushion 14 after the speed is reduced, lubricating oil inside the spongy cushion 14 is extruded falls into a partition cover 10 from an inner groove 11, is adsorbed on the surface of the driving wheel 9, is coated on the inner groove 3 through the driving wheel 9 to lubricate the electric wheel 5, the cam 13 intermittently rotates during movement to supplement oil for lubrication to the electric wheel 5, the noise abnormal sound can be effectively prevented, the oil is supplemented intermittently, the loss of lubricating oil is greatly reduced, the lower part of a lubricating box 6 is rotatably connected with a driving wheel 9 through a driving shaft 8, the inner cavity of the lubricating box 6 is fixedly connected with a partition cover 10 which is covered above the driving wheel 9, the surface of the partition cover 10 is provided with a hollow groove 11, the inner cavity of the lubricating box 6 is rotatably connected with a driven shaft 12, the surface of the driven shaft 12 is fixedly connected with a cam 13 which is positioned above the driving wheel 9, the surface of the lubricating box 6 which is positioned between the cam 13 and the driving wheel 9 is fixedly connected with a sponge cushion 14, the surfaces of the cam 13 and the driving wheel 9 are both butted with the surface of the sponge cushion 14, the surface of the driving shaft 8 is fixedly connected with a driving gear 18, the surface of the driven shaft 12 is fixedly connected with a deceleration gear 17 which is meshed with the surface of the driving gear 18, the surface of the lubricating box 6 is communicated with a charging opening 15, the bottom of the charging opening 15 is communicated with a charging pipe 16 which penetrates through to the bottom of the lubricating box 6, surface and inner groovy 3's of drive wheel 9 inner chamber roll connection, rotate through motor drive electronic round 5, it adjusts the position to drive the top motion of lifting by crane subassembly 4 at horizontal track 2, including drive wheel 9 of lubricated case 6 below when removing, drive reducing gear 17 through driving gear 18 and rotate, drive driven shaft 12 after the reduction of driving gear 18 and reducing gear 17 and rotate, it rotates to drive cam 13, cam 13 rotates and extrudes foam-rubber cushion 14 through the bellying, foam-rubber cushion 14 receives inside lubricating oil of extrusion to cut off from dead slot 11 and fall into in cover 10, adsorb on drive wheel 9 surface, paint on including recess 3 through drive wheel 9, lubricate electronic round 5.
The cam 13 is located directly above the empty groove 11.
One side fixedly connected with mount 19 of lifting by crane subassembly 4, the top fixedly connected with of mount 19 drives actuating cylinder 7, the bottom fixedly connected with who drives actuating cylinder 7 piston rod extends board 20, the protrusion of inner chamber adaptation of inner grove 3 is seted up to the bottom of extending board 20, convex bottom fixedly connected with doctor-bar 21, horizontal track 2's bottom fixedly connected with collecting box 23, blanking mouth 22 has been seted up on the surface that horizontal track 2 is located collecting box 23 top, after a period of time when using, lubricating oil sneaks into the metal piece in the inner grove 3, unable normal lubrication, drive actuating cylinder 7 through the start, drive doctor-bar 21 downstream, scrape the inside filth of inner grove 3, under the drive of lifting by crane subassembly 4, doctor-bar 21 moves and pushes away the greasy dirt to blanking mouth 22 department, fall into and collect in collecting box 23.
The lubrication box 6 and the mount 19 are respectively provided on both sides of the electric wheel 5.
The lowest level of electric wheels 5 and driving wheels 9 is flush.
The use method of the crane comprises the following steps: the electric wheel 5 is driven to rotate by a motor to drive the lifting component 4 to move and adjust the position above the transverse track 2, the driving wheel 9 below the lubricating box 6 rotates in the inner groove 3 when moving, the reduction gear 17 is driven to rotate by the driving gear 18, the driven shaft 12 is driven to rotate after the reduction of the driving gear 18 and the reduction gear 17, the cam 13 is driven to rotate, the sponge mat 14 is extruded by the rotation of the cam 13 through the bulge, the lubricating oil inside the extruded sponge mat 14 falls into the partition cover 10 from the hollow groove 11 and is adsorbed on the surface of the driving wheel 9 and is coated on the inner groove 3 by the driving wheel 9, the electric wheel 5 is lubricated, after a period of use, the lubricating oil in the inner groove 3 is mixed with metal fragments and can not be normally lubricated, the driving cylinder 7 is started to drive the scraping blade 21 to move downwards to scrape dirt inside the inner groove 3, under the drive of the hoisting assembly 4, the scraping blade 21 moves to push the oil stains to the blanking port 22 and then fall into the collection box 23 for collection.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a two roof beam european style cranes of silent type, includes roof beam structure (1), the surperficial fixedly connected with transverse rail (2) of roof beam structure (1), the surperficial sliding connection of transverse rail (2) has hoisting accessory (4), its characterized in that: one side of the hoisting component (4) is rotatably connected with an electric wheel (5) driven by a motor, an inner groove (3) connected with the surface of the electric wheel (5) in a rolling manner is formed in an inner cavity of the transverse track (2), a lubricating box (6) is fixedly connected to the surface of the hoisting component (4), a driving wheel (9) is rotatably connected to the lower portion of the lubricating box (6) through a driving shaft (8), a partition cover (10) covering the driving wheel (9) is fixedly connected to the inner cavity of the lubricating box (6), a hollow groove (11) is formed in the surface of the partition cover (10), a driven shaft (12) is rotatably connected to the inner cavity of the lubricating box (6), a cam (13) positioned above the driving wheel (9) is fixedly connected to the surface of the driven shaft (12), and a sponge cushion (14) is fixedly connected to the surface of the lubricating box (6) positioned between the cam (13) and the driving wheel (9), the surface of cam (13) and drive wheel (9) all with the surperficial butt of foam-rubber cushion (14), the fixed surface of driving shaft (8) is connected with driving gear (18), the fixed surface of driven shaft (12) is connected with deceleration gear (17) with the surface toothing of driving gear (18), the surface intercommunication of lubricated case (6) has charge door (15), the bottom intercommunication of charge door (15) has filling tube (16) that run through to lubricated case (6) bottom, the surface of drive wheel (9) and the inner chamber roll connection of inner groovy (3).
2. A silent double-beam euro-type crane according to claim 1, wherein: the cam (13) is positioned right above the empty groove (11).
3. A silent double-beam euro-type crane according to claim 1, wherein: the utility model discloses a lifting appliance, including lifting by crane subassembly (4), one side fixedly connected with mount (19) of subassembly (4), the top fixedly connected with of mount (19) drives actuating cylinder (7), the bottom fixedly connected with extension plate (20) that drives actuating cylinder (7) piston rod, the protrusion of the inner chamber adaptation of inner groovy (3) is seted up to the bottom of extension plate (20), convex bottom fixedly connected with doctor-bar (21).
4. A silent double-beam euro-type crane according to claim 1, wherein: the bottom of the transverse rail (2) is fixedly connected with a collecting box (23), and a blanking opening (22) is formed in the surface, located above the collecting box (23), of the transverse rail (2).
5. A silent double-beam euro-type crane according to claim 1, wherein: the lubricating box (6) and the fixing frame (19) are respectively arranged on two sides of the electric wheel (5).
6. A silent double-beam euro-type crane according to claim 1, wherein: the electric wheels (5) are flush with the lowest height of the driving wheels (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210819193.8A CN115009995A (en) | 2022-07-12 | 2022-07-12 | Mute type double-beam European crane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210819193.8A CN115009995A (en) | 2022-07-12 | 2022-07-12 | Mute type double-beam European crane |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115009995A true CN115009995A (en) | 2022-09-06 |
Family
ID=83082175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210819193.8A Pending CN115009995A (en) | 2022-07-12 | 2022-07-12 | Mute type double-beam European crane |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115009995A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117003117A (en) * | 2023-09-22 | 2023-11-07 | 河南海泰重工有限公司 | Hydraulic lifting steering device for travelling wheel of gantry container crane |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6206140B1 (en) * | 1999-07-30 | 2001-03-27 | Eaton Corporation | Pressure lubrication system for countershaft transmission |
CN110227964A (en) * | 2019-07-17 | 2019-09-13 | 安徽马钢重型机械制造有限公司 | A kind of platen chip removal device and chip removal method |
CN212533903U (en) * | 2020-05-22 | 2021-02-12 | 中机工程(西安)启源咨询设计有限公司 | Device for adsorbing and collecting iron chips generated by crane and track |
CN214838326U (en) * | 2021-06-18 | 2021-11-23 | 森力茂(无锡)智能科技有限公司 | Reducer output shaft with self-lubricating mechanism |
CN113879974A (en) * | 2021-10-20 | 2022-01-04 | 合肥市春华起重机械有限公司 | Low-static-air double-girder European crane |
-
2022
- 2022-07-12 CN CN202210819193.8A patent/CN115009995A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6206140B1 (en) * | 1999-07-30 | 2001-03-27 | Eaton Corporation | Pressure lubrication system for countershaft transmission |
CN110227964A (en) * | 2019-07-17 | 2019-09-13 | 安徽马钢重型机械制造有限公司 | A kind of platen chip removal device and chip removal method |
CN212533903U (en) * | 2020-05-22 | 2021-02-12 | 中机工程(西安)启源咨询设计有限公司 | Device for adsorbing and collecting iron chips generated by crane and track |
CN214838326U (en) * | 2021-06-18 | 2021-11-23 | 森力茂(无锡)智能科技有限公司 | Reducer output shaft with self-lubricating mechanism |
CN113879974A (en) * | 2021-10-20 | 2022-01-04 | 合肥市春华起重机械有限公司 | Low-static-air double-girder European crane |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117003117A (en) * | 2023-09-22 | 2023-11-07 | 河南海泰重工有限公司 | Hydraulic lifting steering device for travelling wheel of gantry container crane |
CN117003117B (en) * | 2023-09-22 | 2024-04-16 | 河南海泰重工有限公司 | Hydraulic lifting steering device for travelling wheel of gantry container crane |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN115009995A (en) | Mute type double-beam European crane | |
CN112141902A (en) | Electric hoist for single-beam crane and method | |
CN115026153B (en) | High-strength steel precise leveling machine capable of reducing steel plate loss and working method thereof | |
CN113294674A (en) | Steel wire rope lubricating device for crane capable of automatically lubricating during working | |
CN111006117B (en) | Polling robot track lubricating device | |
CN201295710Y (en) | A coil stripping trolley | |
CN210050278U (en) | Speed reduction transmission mechanism for electric automobile | |
CN111730730A (en) | Novel stemming cutter | |
CN218968700U (en) | Lifting double-beam crane | |
CN217751600U (en) | Tunnel segment processing cutting device convenient to clean | |
CN212445720U (en) | Novel stemming cutter | |
CN211851785U (en) | Gear rack transmission eccentric wheel type oil pumping machine | |
CN110905452B (en) | Eccentric wheel type oil pumping machine | |
CN112239125A (en) | Vertical elevator for high-rise building construction | |
CN218174316U (en) | Elevator noise reduction device for building construction | |
CN214527502U (en) | Oil lubricating device for elevator tractor | |
CN114871591B (en) | Power battery aluminum shell cutting, slag stopping and discharging equipment | |
CN218754623U (en) | Grab overhead traveling crane with dust collecting function | |
CN216606779U (en) | Automatic concave bending and plate forming device for steel plate | |
CN220467878U (en) | Movable and rotatable cab structure for smoke guide vehicle | |
CN217920961U (en) | Rewinding elevator traction machine with built-in traction wheel | |
CN213356711U (en) | Crane track | |
CN219043781U (en) | Chip removal mechanism of gantry machining center | |
CN214686513U (en) | Heavy-load servo manipulator | |
CN210193160U (en) | High-speed weight-reducing noise-reducing counterweight frame for elevator |
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 |