CN113250472B - Vertical oblique-pulling limiting lifting structure construction device for large stadium - Google Patents
Vertical oblique-pulling limiting lifting structure construction device for large stadium Download PDFInfo
- Publication number
- CN113250472B CN113250472B CN202110643613.7A CN202110643613A CN113250472B CN 113250472 B CN113250472 B CN 113250472B CN 202110643613 A CN202110643613 A CN 202110643613A CN 113250472 B CN113250472 B CN 113250472B
- Authority
- CN
- China
- Prior art keywords
- crane
- spring
- construction device
- fixed
- scraper blade
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/62—Other vehicle fittings for cleaning
- B60S1/66—Other vehicle fittings for cleaning for cleaning vehicle exterior
- B60S1/68—Other vehicle fittings for cleaning for cleaning vehicle exterior for freeing wheels or tyres from foreign matter, e.g. wheel scrapers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/142—Means in or on the elements for connecting same to handling apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a construction device for a vertical cable-stayed limiting and lifting structure of a large stadium, which comprises: crane and drive wheel earth separator, drive wheel earth separator structure is: the scraper blade is located the top of the drive wheel of crane, and the both ends of scraper blade are crooked downwards and are become the arcwall face, and the brush is connected on the lower surface of scraper blade. The lower extreme and the scraper blade of ejector pin are connected, and the upper end of ejector pin is arranged in telescopic lower port, and sets up the spout of symmetry on the telescopic lower part lateral wall, and spacing post level grafting is on the lateral wall of ejector pin, and the both ends of spacing post are arranged in the spout respectively, and the both ends homoenergetic of spacing post is in the spout upper and lower motion. The first spring is located in the sleeve. The top plate is fixed on the bottom surface of the crane, and the sleeve is fixed on the top plate. The construction device not only can effectively overcome the problem of skidding caused by excessive adhesion of soil on the surface of the driving wheel, but also overcomes the potential safety hazard of tire frame collision caused by swinging in the cable body due to large self-weight deflection deformation of the large-diameter cable body.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a construction device for a vertical cable-stayed limiting and lifting structure of a large stadium.
Background
The information disclosed in this background of the invention is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
During the construction of heavy crane was applied to large-scale stadium, hooked the subassembly through the lifting hook, then mutually supported through lifting arm and traction cable, realized pulling spacing promotion to one side to the vertical of subassembly, be convenient for to the construction equipment of large-scale stadium.
Present heavy crane in use, remove the job site with its drive wheel through the automobile body, then hook the subassembly through the lifting hook, then realize pulling the promotion, but present job site place is mostly earth region, lead to often being stained with too much earth on its drive wheel, and can not be timely scrape away from it from the drive wheel, lead to easy emergence phenomenon of skidding in its drive wheel rotation, influence the problem of the safety of traveling of device, we propose the vertical spacing construction equipment that promotes to one side of a large-scale stadium for this.
Disclosure of Invention
Aiming at the problems, the invention provides a construction device for a vertical cable-stayed limiting lifting structure of a large stadium, which not only can effectively overcome the problem of skidding caused by excessive adhesion of soil on the surface of a driving wheel, but also overcomes the potential safety hazard of tire frame collision caused by swinging in a cable body due to large self-weight deflection deformation of a large-diameter cable body. In order to achieve the above object, the technical solution of the present invention is as follows.
The utility model provides a vertical spacing hoisting structure construction equipment that draws to one side, includes: crane and drive wheel earth separator, wherein: the driving wheel soil separating device comprises: the scraper blade is located the top of the drive wheel of the crane and a gap is arranged between the scraper blade and the drive wheel, the two ends of the scraper blade are bent downwards to form arc-shaped surfaces, and the brush is connected to the lower surface of the scraper blade. The lower end of the ejector rod is connected with the scraper, the upper end of the ejector rod is located in the lower port of the sleeve, symmetrical sliding grooves are formed in the side wall of the lower portion of the sleeve, the limiting column is horizontally inserted into the side wall of the ejector rod, two ends of the limiting column are located in the sliding grooves respectively, and two ends of the limiting column can move up and down in the sliding grooves. The first spring is positioned in the sleeve, and the first spring presses the upper end of the ejector rod to enable the bristles of the brush to be in contact with the tire surface of the driving wheel. The top plate is fixed on the bottom surface of the crane, and the sleeve is fixed on the top plate.
Further, the upper port of the sleeve is fixed on the lower surface of the top plate, the upper end of the first spring abuts against the top plate, and the lower end of the first spring abuts against the upper surface of the ejector rod, so that extrusion force is applied to the ejector rod, and the brush can be in contact with the tire surface of the driving wheel all the time.
Furthermore, a hook frame is fixed on the upper surface of the scraper, a mounting ring is fixed on the lower surface of the top plate, a hook is connected to the mounting ring, and the lower end of the hook is hooked on the hook frame.
Furthermore, the end faces of the two ends of the scraper are blade-shaped, so that soil on the driving wheel can be scraped conveniently.
Furthermore, a hoisting machine room is arranged at the top of the crane, and a hoisting traction arm is arranged on one side of the hoisting machine room.
Furthermore, a winch is arranged at the bottom end of the hoisting traction arm, a traction steel cable is wound on the outer wall of one end of the winch, and one end of the traction steel cable penetrates through an annular cable fixed on the hoisting traction arm and then is connected with the lifting hook.
Furthermore, the front end of the crane is provided with a cab, and an operation table and a seat are arranged in the cab.
Further, drive wheel earth separator still includes locating lever and second spring, wherein: the lower end of the positioning rod is fixed on the lower surface of the sliding groove, and the sliding groove is long-strip-shaped. The second spring is sleeved on the positioning rod, a through hole is formed in the end portion of the limiting column, the upper end of the positioning rod penetrates through the through hole and then is fixedly connected with the nut, and the first spring extrudes the upper end of the ejector rod and the second spring to enable the bristles of the brush to be in contact with the tire surface of the driving wheel.
Further, the scraper blade is rectangular platelike structure, is fixed with vertical mud guide on the arcwall face at its both ends, mud guide is the arcwall, and mud guide follows the rear end face of arcwall face to preceding terminal surface transition distribution to the earth direction drive wheel outside of scraping off the scraper blade, the earth accumulation of avoiding scraping off destroys drive wheel earth separator on scraper blade upper portion.
Furthermore, the brush bristles of the brush are made of hard bristles, so that the brush bristles can further clean soil remained on the surface of the tire.
Compared with the prior art, the invention has the following beneficial effects:
(1) through setting up the scraper blade on the top of drive wheel, and then guarantee that the inclined plane department at both ends realizes scraping fast to earth on the drive wheel and leaves, avoid the earth on drive wheel surface to be stained with and attach too much and cause and skid, increase the security of traveling of crane, it is spacing to realize the sliding position of ejector pin in the sleeve through spacing post, avoid taking place the separation, exert the elasticity extrusion through first spring to the ejector pin, make its brush hair terminal surface and tire surface laminating.
(2) The hook is hooked on the hook frame to position the scraper after being lifted, so that the scraper is separated from and fixed on the driving wheel in maintenance of the driving wheel, and the maintenance operation of the scraper is prevented from being influenced. Through hanging the lifting hook on the hoop cable, and through steel cable interconnect between the hoop cable, the lifting hook exerts the pulling action to the hoop cable, produces the slant pulling effect when guaranteeing that the hoop cable carries out vertical lifting, has overcome because of the big rope body dead weight amount of deflection warp causes the rope body internal swing to melt the bed-jig potential safety hazard.
(3) According to the invention, the second spring is arranged in the sliding groove and then is matched with the first spring, so that the bristles on the brush can be continuously contacted with the tire after being worn, and the phenomenon that the bristles are worn to generate a gap between the bristles and the tire to influence the brush to be separated from soil is avoided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of a vertical cable-stayed limiting and lifting structure construction device in the embodiment of the invention.
FIG. 2 is a schematic view of a drive wheel dirt separator arrangement according to an embodiment of the present invention.
FIG. 3 is a cross-sectional view of a drive wheel dirt separator assembly in an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a hook in the embodiment of the invention.
FIG. 5 is a cross-sectional view of a drive wheel dirt separator assembly in accordance with yet another embodiment of the present invention.
Fig. 6 is a schematic structural view of a sleeve according to still another embodiment of the present invention.
FIG. 7 is a schematic view showing the structure of a squeegee according to still another embodiment of the present invention.
The scores in the above figures represent: 1-crane, 2-driving wheel soil separating device, 3-scraper, 4-brush, 5-ejector rod, 6-sleeve, 7-spacing column, 8-first spring, 9-top plate, 10-driving wheel, 11-chute, 12-hook frame, 13-mounting ring, 14-hook, 15-hoisting machine room, 16-hoisting traction arm, 17-traction steel cable, 18-lifting hook, 19-cab, 20-positioning rod, 21-second spring, 22-nut and 23-mud guide plate.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the specific meaning of such terms in the present invention can be understood as appropriate to one of ordinary skill in the art. The construction device for the vertical cable-stayed limiting and lifting structure is further described by combining the attached drawings and the specific embodiment of the specification.
Referring to fig. 1 to 3, there is illustrated a construction apparatus for a vertical cable-stayed limit lifting structure, including: crane 1 and drive wheel earth separation device 2, wherein: the driving wheel soil separating device 2 includes: scraper blade 3, brush 4, ejector pin 5, sleeve 6, spacing post 7, first spring 8 and roof 9, scraper blade 3 is located crane 1's drive wheel 10 top and has the clearance between the two, and the both ends of scraper blade 3 bend into the arcwall face downwards, brush 4 is fixed on the lower surface of scraper blade 3, just the brush hair material of brush 4 is the stereoplasm mane, and it can further clean the earth of remaining on the tire surface.
The ejector pin 4 is four, and these four ejector pins distribute respectively in four corners (the corner of arcwall face promptly) in scraper blade 3 top, specifically: the lower end of the ejector rod 5 is connected with the scraper 3, the upper end of the ejector rod 5 is located in a lower port of the sleeve 6, symmetrical sliding grooves 11 are formed in the side wall of the lower portion of the sleeve 6, the limiting column 7 is horizontally inserted into the side wall of the ejector rod 5, two ends of the limiting column 7 are located in the sliding grooves 11 respectively, and two ends of the limiting column 7 can move up and down in the sliding grooves 11. The first spring 8 is located in the sleeve 6 and the first spring 8 presses the upper end of the ram 5 into contact with the brush 4 and the tyre surface of the drive wheel 2.
The top plate 9 is fixed on the bottom surface of the crane 1, the upper port of the sleeve 6 is fixed on the lower surface of the top plate 9, the upper end of the first spring 8 is pressed against the top plate 9, and the lower end of the first spring is pressed against the upper surface of the ejector rod 5, so that extrusion force is applied to the ejector rod 5, and the brush 4 can be in contact with the tire surface of the driving wheel 2 all the time. Through setting up scraper blade 3 on the top of drive wheel 10, and then guarantee that the both ends of scraper blade 3 realize scraping fast away to the earth on the drive wheel, avoid the earth on drive wheel surface to be stained with and attach too much and cause and skid, increase the security of traveling of crane, it is spacing to the sliding position realization of ejector pin in the sleeve through spacing post, avoid taking place the separation, the first spring through the design applys the elasticity extrusion to the ejector pin, makes its brush hair terminal surface and tire surface laminating.
With continued reference to fig. 1, the crane 1 is provided with a crane room 15 at the top thereof, and a hoisting towing arm 16 is provided at one side of the crane room 15. The bottom end of the hoisting traction arm 16 is provided with a winch, the outer wall of one end of the winch is wound with a traction steel cable 17, and one end of the traction steel cable 17 passes through an annular cable fixed on the hoisting traction arm 16 and then is connected with a lifting hook 18. The front end of the crane is provided with a cab 19, and an operation table and a seat are arranged in the cab. Through hanging lifting hook 18 on the hoop cable, and through pulling steel cable 17 interconnect between the hoop cable, the lifting hook exerts the traction to the hoop cable, produces the slant pulling effect when guaranteeing that the hoop cable carries out vertical lifting, has overcome because of the big interior pendulum of rope body dead weight amount of deflection warp melts the bed-jig potential safety hazard of bumping that arouses of major diameter rope body.
With continued reference to fig. 2 and 4, in other embodiments, a hook frame 12 is fixed on the upper surface of the scraper 3, a mounting ring 13 is fixed on the lower surface of the top plate 9, a hook 14 is connected to the mounting ring 13, and the lower end of the hook 14 is hooked on the hook frame 12. The hook is hooked on the hook frame to position the scraper after being lifted, so that the scraper is separated from and fixed on the driving wheel in maintenance of the driving wheel, and the maintenance operation of the scraper is prevented from being influenced.
In other embodiments, referring to fig. 5 and 6, the drive wheel mud separation device 2 further comprises a positioning rod 20 and a second spring 21, wherein: the lower end of the positioning rod 20 is fixed on the lower surface of the sliding chute 11, and the sliding chute 11 is long-strip-shaped. The second spring 21 is sleeved on the positioning rod 20, a through hole is formed in the end portion of the limiting column 7, the upper end of the positioning rod 20 penetrates through the through hole and then is tightly connected with the nut 22, and the first spring 8 extrudes the upper end of the ejector rod 5 and the second spring 21 to enable the brush 4 to be in contact with the tire surface of the driving wheel 2. Through set up behind the second spring 21 in spout 11 and form the cooperation with first spring 8 to can continue to contact with the tire after the brush hair on brush 4 is worn out, avoid the brush hair to receive wearing and tearing and lead to producing the clearance between the two, influence its brush and leave earth.
After the installation, the three is in balanced state under the overdraft of first spring 8, the last pressure of second spring 21 and the reaction force of brush 4, the brush hair portion of brush is the contact state with the tire surface of drive wheel 10, along with the brush hair constantly by wearing and tearing, the reaction force to ejector pin 5 that its produced disappears, three's balanced state unbalance this moment, continue to push down at first spring 8 and make brush 4 contact with the tire surface once more, the three is in balanced state once more, thereby can keep in contact with the tire surface all the time along with the continuous wearing and tearing of brush hair, firstly avoid the brush hair to receive wearing and tearing and lead to producing the clearance between the two, influence its brush and leave earth. And secondly, the replacement frequency of the brushes is reduced, and the influence on the attendance rate of the crane due to frequent replacement of the brushes is avoided.
In other embodiments, referring to fig. 7, the scraper 3 is a rectangular plate-shaped structure, the arc-shaped surfaces at two ends of the scraper are fixed with vertical mud guide plates 23, the mud guide plates 23 are arc-shaped plates, and the mud guide plates 23 are distributed in a transition manner from the rear end surfaces to the front end surfaces of the arc-shaped surfaces at two ends of the scraper 3. After the mud is scraped off from the driving wheel 10 by the scraper 3, the mud is guided to the outer side of the driving wheel under the guiding action of the mud guide plate 23, so that the scraped mud is prevented from accumulating on the upper part of the scraper 23 to damage a mud separating device of the driving wheel.
Finally, it should be understood that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (8)
1. The utility model provides a vertical spacing hoisting structure construction equipment that draws to one side, includes: the crane, its characterized in that:
still include the drive wheel earth separator, it includes:
the scraper blade is positioned above the driving wheel of the crane, a gap is arranged between the scraper blade and the driving wheel, two ends of the scraper blade are bent downwards to form arc-shaped surfaces, and the lower surface of the scraper blade is connected with a brush
The lower end of the ejector rod is connected with the scraper;
the upper end of the ejector rod is positioned in the lower port of the sleeve, and the side wall of the lower part of the sleeve is provided with symmetrical sliding chutes,
the limiting column is horizontally inserted into the side wall of the ejector rod, two ends of the limiting column are respectively positioned in the sliding grooves, and two ends of the limiting column can move up and down in the sliding grooves;
the first spring is positioned in the sleeve, and the first spring extrudes the upper end of the ejector rod to enable the bristles of the brush to be in contact with the surface of the tire of the driving wheel; and
the top plate is fixed on the bottom surface of the crane, and the sleeve is fixed on the top plate;
the upper end opening of the sleeve is fixed on the lower surface of the top plate, the upper end of the first spring is propped against the top plate, and the lower end of the first spring is propped against the upper surface of the ejector rod;
drive wheel earth separator still includes locating lever and second spring, wherein: the lower end of the positioning rod is fixed on the lower surface of the sliding chute, and the sliding chute is in a long strip shape; the second spring is sleeved on the positioning rod, a through hole is formed in the end portion of the limiting column, the upper end of the positioning rod penetrates through the through hole and then is fixedly connected with the nut, and the first spring extrudes the upper end of the ejector rod and the second spring to enable the bristles of the brush to be in contact with the tire surface of the driving wheel.
2. The construction device for the vertical diagonal spacing lifting structure according to claim 1, wherein a hook frame is fixed on the upper surface of the scraper, a mounting ring is fixed on the lower surface of the top plate, a hook is connected to the mounting ring, and the lower end of the hook is hooked on the hook frame.
3. The construction device of the vertical diagonal spacing lifting structure of claim 1, wherein the end faces of the two ends of the scraping plate are knife-edge-shaped so as to scrape off the soil on the driving wheel.
4. The construction device for the vertical cable-stayed limiting and lifting structure as claimed in claim 1, wherein a crane room is installed at the top of the crane, and a hoisting traction arm is installed at one side of the crane room.
5. The construction device for the vertical cable-stayed limiting and lifting structure as claimed in claim 4, wherein a winch is installed at the bottom end of the lifting traction arm, a traction steel cable is wound on the outer wall of one end of the winch, and one end of the traction steel cable penetrates through a circumferential cable fixed on the lifting traction arm and then is connected with a lifting hook.
6. The construction device for the vertical cable-stayed limiting and lifting structure according to claim 5, characterized in that a cab is arranged at the front end of the crane, and an operating table and a seat are arranged inside the cab.
7. The construction device of the vertical cable-stayed limiting and lifting structure as claimed in claim 1, wherein the scraper is a rectangular plate-shaped structure, the arc-shaped surfaces at two ends of the scraper are fixedly provided with vertical mud guide plates, the mud guide plates are arc-shaped plates, and the mud guide plates are in transitional distribution from the rear end surface to the front end surface of the arc-shaped surfaces.
8. The construction device for the vertical cable-stayed limit lifting structure according to any one of claims 1 to 7, wherein bristles of the brush are made of hard bristles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110643613.7A CN113250472B (en) | 2021-06-09 | 2021-06-09 | Vertical oblique-pulling limiting lifting structure construction device for large stadium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110643613.7A CN113250472B (en) | 2021-06-09 | 2021-06-09 | Vertical oblique-pulling limiting lifting structure construction device for large stadium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113250472A CN113250472A (en) | 2021-08-13 |
| CN113250472B true CN113250472B (en) | 2022-01-04 |
Family
ID=77187379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110643613.7A Active CN113250472B (en) | 2021-06-09 | 2021-06-09 | Vertical oblique-pulling limiting lifting structure construction device for large stadium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113250472B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757999A (en) * | 2021-03-04 | 2021-05-07 | 太原理工大学 | Automatic telescopic machanism of dregs car carriage tarpaulin with clean function |
| CN113953229B (en) * | 2021-10-27 | 2022-07-12 | 安徽信息工程学院 | Big-arch shelter belt cleaning device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1193057A1 (en) * | 1984-03-16 | 1985-11-23 | Челябинский Политехнический Институт Им.Ленинского Комсомола | Cleaner of tractor track shoes |
| JP2004231148A (en) * | 2003-02-03 | 2004-08-19 | Kenichi Beppu | Litter cleaner attachable to moving vehicle |
| CN205892560U (en) * | 2016-06-21 | 2017-01-18 | 南安协新运输有限公司 | Can independent disconnect -type crane |
| CN210337864U (en) * | 2019-08-11 | 2020-04-17 | 宋小阳 | Agricultural machinery tire mud scraping device |
| CN212561042U (en) * | 2020-05-24 | 2021-02-19 | 湘潭市政科技集团有限公司 | Oil spraying device of asphalt rubber wheel road roller |
| CN212243284U (en) * | 2020-06-02 | 2020-12-29 | 奔野优森拖拉机制造有限公司 | Four-wheel drive tractor with water washing function |
| CN213389613U (en) * | 2020-06-18 | 2021-06-08 | 福建岚泰锦盛建设发展有限公司 | Leveling device for highway construction |
-
2021
- 2021-06-09 CN CN202110643613.7A patent/CN113250472B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113250472A (en) | 2021-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113250472B (en) | Vertical oblique-pulling limiting lifting structure construction device for large stadium | |
| CN207714861U (en) | A kind of efficient anti-skidding fixed landing of vehicle | |
| CN205475054U (en) | A intermediate support ice crushing roller device for on snow breaker | |
| CN209192265U (en) | One kind being used for the safe park device of plane draw bar | |
| CN210822166U (en) | Stone clamping preventing mechanism between double-row wheels of engineering vehicle | |
| CN109056617B (en) | Sweeping and washing integrated machine with water scraping rake | |
| CN207567754U (en) | Diaphram wall side I-steel brushing cleaner | |
| CN211689803U (en) | Compaction device for pavement repair | |
| CN108589612B (en) | A kind of road surface shovel mud cart | |
| CN211710839U (en) | Mine field slope is gone and is prevented falling vehicle connection auxiliary device on way | |
| CN210454755U (en) | Wheel washing machine | |
| CN207176604U (en) | A kind of snow scraping plate device | |
| CN220114710U (en) | Assembled semitrailer frame | |
| CN111071917A (en) | Hoisting accessory is used to refined bismuth ingot casting | |
| CN220133537U (en) | Discharging platform for building materials | |
| CN204778378U (en) | Fixed hoist and mount portal frame | |
| CN218229450U (en) | Airport guarantee tractor | |
| CN219508348U (en) | Cement pavement crusher | |
| CN207524839U (en) | A kind of anti-slip double drive driving trolley | |
| CN212835953U (en) | Connecting device for building steel structure | |
| CN218147915U (en) | Deceleration strip | |
| CN219988922U (en) | Hauling pull brake structure | |
| CN212473561U (en) | Detachable shallow for building engineering | |
| CN217376955U (en) | Counterweight structure of home elevator | |
| CN211472349U (en) | Sucking and sweeping vehicle with sucking disc height adjusted in multiple gears |
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 |