CN114592431A - Municipal bridge construction platform - Google Patents

Municipal bridge construction platform Download PDF

Info

Publication number
CN114592431A
CN114592431A CN202210193414.5A CN202210193414A CN114592431A CN 114592431 A CN114592431 A CN 114592431A CN 202210193414 A CN202210193414 A CN 202210193414A CN 114592431 A CN114592431 A CN 114592431A
Authority
CN
China
Prior art keywords
swing link
rod
bar
plate
away
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
Application number
CN202210193414.5A
Other languages
Chinese (zh)
Inventor
唐庆
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.)
Boxinda Construction Group Co ltd
Original Assignee
Boxinda Construction Group 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 Boxinda Construction Group Co ltd filed Critical Boxinda Construction Group Co ltd
Priority to CN202210193414.5A priority Critical patent/CN114592431A/en
Publication of CN114592431A publication Critical patent/CN114592431A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/10Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
    • E01D19/106Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The utility model relates to a municipal works's field, and a municipal bridge construction platform is disclosed, including the landing slab, install in the guardrail at landing slab top surface edge, the below of landing slab is provided with lifting mechanism, lifting mechanism includes mounting plate, the rigid coupling is in the sleeve pipe on mounting plate top surface both sides limit, wear to locate the carriage release lever in the sleeve pipe, the glide direction of carriage release lever is unanimous with mounting plate's length direction, tooth has all been seted up at the both ends of carriage release lever, all mesh gear one on the tooth, the last vertical backup pad that is fixed with of mounting plate, gear one rotates and sets up in the backup pad, coaxial coupling has lower pendulum rod one in the axis of rotation of gear, the one end that gear was kept away from to lower pendulum rod one articulates there is last pendulum rod one, go up the one end that pendulum rod one was kept away from and hinges in the bottom surface of landing slab, the last pushing mechanism who is provided with the promotion carriage release lever removal of mounting plate. This application has realized can steadily shifting up the landing slab in construction platform's bottom.

Description

Municipal bridge construction platform
Technical Field
The application relates to the field of municipal works, in particular to a municipal bridge construction platform.
Background
The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. The bridge construction platform is an auxiliary device used for transporting constructors to a specified height for operation in the bridge construction process, and is widely used in the field of bridge construction.
In view of the above-mentioned related technologies, the inventor of the present application finds that at least the following technical problems exist in the process of implementing the technical solution of the invention in the embodiment of the present application: the existing high-speed railway bridge construction platform lifting device has the problems of low stability and insufficient protective measures, and is difficult to popularize and apply, so that the high-speed railway bridge construction platform lifting device needs to be provided, and the problems are solved.
Disclosure of Invention
The embodiment of this application has solved among the prior art that elevating gear has the stability of device not high, and the not enough technical problem of safeguard measure has realized stably shifting up the landing slab in the bottom of construction platform through providing a municipal administration bridge construction platform.
The embodiment of the application provides a municipal bridge construction platform, which comprises a platform plate and guardrails installed at the edge of the top surface of the platform plate, wherein a lifting mechanism is arranged below the platform plate, the lifting mechanism comprises a mounting bottom plate, sleeves fixedly connected to two side edges of the top surface of the mounting bottom plate, and a moving rod penetrating into the sleeves, the sliding direction of the moving rod is consistent with the length direction of the mounting bottom plate, teeth are arranged at two ends of the moving rod, a first gear is meshed with the teeth, a support plate is vertically fixed on the mounting bottom plate, a first gear is rotatably arranged on the support plate, a first lower oscillating rod is coaxially connected to the rotating shaft of the gear, one end of the first lower oscillating rod, which is far away from the gear, is hinged to a first upper oscillating rod, one end of the first upper oscillating rod, which is far away from the first lower oscillating rod, is hinged to the bottom surface of the platform plate, and the mounting bottom plate is provided with a pushing mechanism for pushing the moving rod to move.
Furthermore, the pushing mechanism comprises a connecting rod fixedly connected between the moving rods on the two sides, a nut seat arranged on the connecting rod, and a screw rod in threaded connection with the nut seat, and the axial direction of the screw rod is consistent with the length direction of the moving rods.
Furthermore, a supporting seat is fixed on the mounting bottom plate, and one end of the screw rod, which is far away from the nut seat, is rotatably arranged on the supporting seat.
Further, the carriage release lever including slide set up in the sleeve pipe in the pole one, vertical upwards rigid coupling in the pole one is kept away from and is close to the pole two, the horizontal rigid coupling of pushing mechanism one end in the pole two is kept away from the pole three of pole one end, pole three is kept away from the one end orientation of pole two is kept away from one side of pole one, tooth sets up in the top surface of pole one with the bottom surface of pole three, connecting rod rigid coupling in both sides between the pole two.
Furthermore, a handle is fixedly connected to one end, far away from the nut seat, of the screw.
Further, one side of the upper swing rod I, which is far away from the pushing mechanism, is provided with an upper swing rod II hinged to the bottom surface of the platform plate, one end of the upper swing rod II, which is far away from the platform plate, is hinged to a lower swing rod II, one end of the lower swing rod II, which is far away from the upper swing rod II, is hinged to a base, and the base is fixed on the bottom surface.
Furthermore, a transverse connecting rod is sleeved between a hinged shaft between the lower swing rod I and the upper swing rod I and a hinged shaft between the upper swing rod II and the lower swing rod II.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. owing to adopted lifting mechanism, drive the carriage release lever through operating personnel operation pushing mechanism and remove, the removal of carriage release lever can make the gear take place to rotate, the gear takes place to rotate and can drive a swing of lower pendulum rod, the swing of lower pendulum rod one can drive a swing of upper pendulum rod, therefore when first and lower pendulum rod take place to fold, can make progress the lifting with the landing slab, and when first and lower pendulum rod draw close each other as upper pendulum rod, can move the landing slab downwards to realize the stable lifting and the decline of landing slab.
2. Due to the fact that the upper swing rod II and the lower swing rod II are adopted, when the lower swing rod I close to one side of the lower swing rod II swings, the transverse connecting rod can be driven to move upwards or downwards, the lower swing rod II connected with the transverse connecting rod can be driven to swing along with the transverse connecting rod, the lower swing rod II and the upper swing rod II can be driven to be far away from and close to each other, and the stability of the lifting mechanism for lifting the platform plate is further improved.
3. Because the supporting seat is arranged on the ground, the installation bottom plate does not need a large area, and the occupied space on the ground can be reduced, so that the lifting mechanism can be lifted stably.
Drawings
FIG. 1 is a schematic overall structure diagram of a municipal bridge construction platform according to an embodiment of the application;
FIG. 2 is a partial schematic view of FIG. 1, illustrating primarily the construction of the lifting mechanism;
FIG. 3 is a schematic view of a portion of the structure of FIG. 2, illustrating primarily the construction of the bushing;
FIG. 4 is an enlarged view of portion A of FIG. 3, illustrating mainly the construction of the pushing mechanism;
in the figure: 11. a platform plate; 12. a guardrail; 2. a lifting mechanism; 21. mounting a bottom plate; 22. a sleeve; 23. a travel bar; 2301. teeth; 231. a first bar; 232. a second bar; 233. a third bar; 24. a gear; 25. a support plate; 26. a first lower swing rod; 27. an upper swing rod I; 3. a pushing mechanism; 31. a connecting rod; 32. a nut seat; 33. a screw; 34. a supporting seat; 35. a handle; 41. an upper swing rod II; 42. a second lower swing rod; 43. a base; 44. a transverse connecting rod.
Detailed Description
The embodiment of the application discloses municipal bridge construction platform, it removes to drive carriage release lever 23 through operating personnel operation pushing mechanism 3, the removal of carriage release lever 23 can make gear 24 take place to rotate, gear 24 takes place to rotate and can drive down the swing of a pendulum rod 26, the swing of a lower pendulum rod 26 can drive the swing of a pendulum rod 27, therefore when last pendulum rod 27 takes place to fold with a lower pendulum rod 26, can upwards lift platform 11, and when last pendulum rod 27 and a lower pendulum rod 26 draw close each other, can move platform 11 downwards, thereby realize platform 11's stable lifting and decline.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Referring to fig. 1, a municipal bridge construction platform, including landing slab 11, guardrail 12 and lifting mechanism 2, landing slab 11 is the cuboid board and is the level form, and guardrail 12 is vertical fixed along a week of 11 top surfaces of landing slab, and lifting mechanism 2 installs in the below of landing slab 11.
Referring to fig. 2 and 3, the lifting mechanism 2 includes a mounting base plate 21, a sleeve 22, a moving lever 23, a gear 24, a support plate 25, a lower swing lever one 26, and an upper swing lever one 27. Mounting plate 21 is the cuboid bottom plate to be located the below of landing slab 11 and parallel with landing slab 11, mounting plate 21 places on the bottom surface, and mounting plate 21's one end is close to the one end of landing slab 11. Two sleeves 22 are arranged, the two sleeves 22 are respectively bolted on two sides of the top surface of the mounting base plate 21, and the length direction of the sleeves 22 is consistent with that of the mounting base plate 21.
Referring to fig. 2, two moving rods 23 are provided, the two moving rods 23 are respectively inserted into the two sleeves 22, the moving rod 23 includes a first rod 231, a second rod 232 and a third rod 233, the first rod 231 is slidably disposed in the sleeves 22, the second rod 232 is vertically and upwardly fixedly connected to an end of the first rod 231, the third rod 233 is horizontally fixedly connected to an end of the second rod 232 far away from the first rod 231, one end of the third rod 233 far away from the second rod 232 faces one side far away from the first rod 231, and teeth 2301 are respectively disposed on a top surface of the first rod 231 and a bottom surface of the third rod 233. Four gears 24 are provided, and the four gears 24 are respectively engaged with the teeth 2301 at both ends of the two moving rods 23. The support plate 25 is provided with four, and four support plates 25 are located four gears 24 respectively, and the vertical rigid coupling of support plate 25 is on mounting plate 21, and gear 24 rotates and sets up on support plate 25.
Referring to fig. 2, four first swing rods are arranged, one of the four swing rods is coaxially connected to the rotating shafts of the four gears 24, four second swing rods are arranged, the two of the four swing rods are hinged to the end portions of the two of the four first swing rods, far away from one end of the supporting plate 25, and one end of the two swing rods, far away from the one of the swing rods, is hinged to the bottom surface of the platform plate 11. The top surface of the mounting bottom plate 21 near one end of the platform plate 11 is provided with a pushing mechanism 3 for pushing the moving rod 23 to move.
Referring to fig. 4, the pushing mechanism 3 includes a connecting rod 31, a nut holder 32, a screw 33, a support seat 34, and a handle 35. The connecting rod 31 is a strip-shaped rod, and the connecting rod 31 is fixedly connected between the two rod strips 232 on the two sides; the nut seat 32 is fixed on the top surface of the connecting rod 31, the nut seat 32 is positioned in the middle of the top surface of the connecting rod 31, and the axial direction of the nut seat 32 is consistent with the length direction of the moving rod 23; the screw 33 is screwed to the nut holder 32, and the axis of the screw 33 coincides with the longitudinal direction of the moving rod 23. The supporting seat 34 is fixed on the mounting base plate 21, the supporting seat 34 is parallel to the nut seat 32, the supporting seat 34 is located on one side of the nut seat 32 close to the end of the mounting base plate 21, and one end of the screw 33 far away from the nut seat 32 is rotatably arranged on the supporting seat 34; a handle 35 is fixed to the end of the screw 33 remote from the nut seat 32.
When the moving rod 23 needs to be pushed, the handle 35 is used for rotating the screw rod 33, the nut seat 32 is driven to move by the rotation of the screw rod 33, the connecting rod 31 can be driven to move by the movement of the nut seat 32, the connecting rod 31 can drive the moving rods 23 on two sides to move simultaneously, because the gear 24 is meshed on the teeth 2301 at two ends of the moving rod 23, the moving rod 23 can drive the gear 24 to rotate, the gear 24 rotates to drive the lower swing rod 26 to swing, the swing of the lower swing rod 26 can drive the upper swing rod 27 to swing, when the upper swing rod 27 and the lower swing rod 26 are folded, the platform plate 11 can be lifted upwards, and when the upper swing rod 27 and the lower swing rod 26 are close to each other, the platform plate 11 can be moved downwards.
Referring to fig. 1, one side of the upper swing link first 27, which is far away from the pushing mechanism 3, is provided with an upper swing link second 41 hinged to the bottom surface of the platform plate 11, one end of the upper swing link second 41, which is far away from the platform plate 11, is hinged to a lower swing link second 42, one end of the lower swing link second 42, which is far away from the upper swing link second 41, is hinged to a base 43, the base 43 is fixed to the bottom surface, and a transverse connecting rod 44 is sleeved between a hinge shaft between the lower swing link first 26 and the upper swing link first 27 and a hinge shaft between the upper swing link second 41 and the lower swing link second 42.
When the first lower swing link 26 close to one side of the second lower swing link 42 swings, the transverse connecting rod 44 is driven to move upwards or downwards, so that the second lower swing link 42 connected with the transverse connecting rod 44 can be driven to swing along with the transverse connecting rod, the second lower swing link 42 and the second upper swing link 41 can be driven to be far away from or close to each other, and the stability of the lifting mechanism 2 for lifting the platform plate 11 is further improved.
The functional principle of the present application can be illustrated by the following operation modes:
when the platform board 11 needs to be lifted, an operator can use the handle 35 to rotate the screw rod 33, the screw rod 33 rotates to drive the nut seat 32 to move, the nut seat 32 moves to push the connecting rod 31 to move, the connecting rod 31 can drive the moving rods 23 on two sides to move simultaneously, and the moving rods 23 can drive the gears 24 to rotate due to the fact that the gears 24 are meshed on the teeth 2301 at two ends of the moving rods 23.
When the gear 24 rotates, the gear 24 drives the lower swing link one 26 to swing, and the swing of the lower swing link one 26 drives the upper swing link one 27 to swing, so that when the upper swing link one 27 and the lower swing link one 26 are folded, the platform plate 11 is lifted upwards, and when the upper swing link one 27 and the lower swing link one 26 are close to each other, the platform plate 11 is moved downwards, so that the platform plate 11 can be driven to be lifted upwards.
When the lower swing rod I26 close to one side of the lower swing rod II 42 swings, the transverse connecting rod 44 is driven to move upwards or downwards, so that the lower swing rod II 42 connected with the transverse connecting rod 44 can be driven to swing along with the transverse connecting rod, the lower swing rod II 42 and the upper swing rod II 41 can be driven to be far away from and close to each other, and the stability of the lifting mechanism 2 for lifting the platform plate 11 is further improved.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can substitute or change the technical solution and its concept of the present application within the technical scope disclosed in the present application, and shall be covered by the scope of the present application.

Claims (7)

1. The municipal bridge construction platform comprises a platform plate (11) and guardrails (12) installed at the edge of the top surface of the platform plate (11), and is characterized in that a lifting mechanism (2) is arranged below the platform plate (11), the lifting mechanism (2) comprises a mounting bottom plate (21), sleeves (22) fixedly connected to two side edges of the top surface of the mounting bottom plate (21), and a moving rod (23) arranged in the sleeves (22) in a penetrating manner, the sliding direction of the moving rod (23) is consistent with the length direction of the mounting bottom plate (21), teeth (2301) are arranged at two ends of the moving rod (23), first gears (24) are meshed with the teeth (2301), a support plate (25) is vertically fixed on the mounting bottom plate (21), the first gears (24) are rotatably arranged on the support plate (25), and first lower swing rods (26) are coaxially connected with the rotating shaft of the gears (24), one end, far away from gear (24), of lower swing link (26) is articulated to have an upper swing link (27), the one end of going up swing link (27) and keeping away from lower swing link (26) is articulated to the bottom surface of landing slab (11), be provided with on mounting plate (21) and promote push mechanism (3) that carriage release lever (23) removed.
2. The municipal bridge construction platform according to claim 1, wherein the pushing mechanism (3) comprises a connecting rod (31) fixedly connected between the moving rods (23) at both sides, a nut seat (32) mounted on the connecting rod (31), and a screw (33) screwed on the nut seat (32), wherein the axial direction of the screw (33) is consistent with the length direction of the moving rods (23).
3. The municipal bridge construction platform according to claim 2, wherein a support base (34) is fixed to the mounting base plate (21), and one end of the screw (33) away from the nut base (32) is rotatably disposed on the support base (34).
4. The municipal bridge construction platform according to claim 2, wherein the movable bar (23) comprises a first bar (231) slidably disposed in the sleeve (22), a second bar (232) vertically and upwardly fixedly connected to the first bar (231) and away from the end close to the pushing mechanism (3), and a third bar (233) horizontally and fixedly connected to the second bar (232) and away from the end of the first bar (231), wherein the end of the third bar (233) away from the second bar (232) faces the side away from the first bar (231), the teeth (2301) are disposed on the top surface of the first bar (231) and the bottom surface of the third bar (233), and the connecting bar (31) is fixedly connected between the second bars (232) on both sides.
5. The municipal bridge construction platform according to claim 2, wherein a handle (35) is affixed to the end of the threaded rod (33) distal from the nut seat (32).
6. The municipal bridge construction platform according to claim 1, wherein one side of the first upper swing link (27) away from the pushing mechanism (3) is provided with a second upper swing link (41) hinged to the bottom surface of the platform plate (11), one end of the second upper swing link (41) away from the platform plate (11) is hinged to a second lower swing link (42), one end of the second lower swing link (42) away from the second upper swing link (41) is hinged to a base (43), and the base (43) is fixed on the bottom surface.
7. The municipal bridge construction platform according to claim 1, wherein a transverse connecting rod (44) is sleeved between a hinge shaft between the first lower swing link (26) and the first upper swing link (27) and a hinge shaft between the second upper swing link (41) and the second lower swing link (42).
CN202210193414.5A 2022-02-28 2022-02-28 Municipal bridge construction platform Pending CN114592431A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210193414.5A CN114592431A (en) 2022-02-28 2022-02-28 Municipal bridge construction platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210193414.5A CN114592431A (en) 2022-02-28 2022-02-28 Municipal bridge construction platform

Publications (1)

Publication Number Publication Date
CN114592431A true CN114592431A (en) 2022-06-07

Family

ID=81815801

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210193414.5A Pending CN114592431A (en) 2022-02-28 2022-02-28 Municipal bridge construction platform

Country Status (1)

Country Link
CN (1) CN114592431A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115019694A (en) * 2022-07-11 2022-09-06 江西好学微客教育科技有限公司 Education and training is with portable folding door type exhibition frame

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109024296A (en) * 2018-08-26 2018-12-18 时光 A kind of working method of the bridge construction workbench of safety and stability
CN109024297A (en) * 2018-08-26 2018-12-18 时光 A kind of bridge construction workbench of safety and stability
CN211621211U (en) * 2020-01-15 2020-10-02 四川培根建设工程有限责任公司 Municipal bridge engineering construction platform
CN213173364U (en) * 2020-08-14 2021-05-11 鹏程建设集团有限公司 Municipal bridge building support frame
CN214734282U (en) * 2021-05-17 2021-11-16 江苏运玛项目管理有限公司 Assembly type structure observation platform based on BIM technology
CN214880034U (en) * 2021-08-04 2021-11-26 朱良辰 But highway bridge construction cyclic utilization's support bracket

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109024296A (en) * 2018-08-26 2018-12-18 时光 A kind of working method of the bridge construction workbench of safety and stability
CN109024297A (en) * 2018-08-26 2018-12-18 时光 A kind of bridge construction workbench of safety and stability
CN211621211U (en) * 2020-01-15 2020-10-02 四川培根建设工程有限责任公司 Municipal bridge engineering construction platform
CN213173364U (en) * 2020-08-14 2021-05-11 鹏程建设集团有限公司 Municipal bridge building support frame
CN214734282U (en) * 2021-05-17 2021-11-16 江苏运玛项目管理有限公司 Assembly type structure observation platform based on BIM technology
CN214880034U (en) * 2021-08-04 2021-11-26 朱良辰 But highway bridge construction cyclic utilization's support bracket

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115019694A (en) * 2022-07-11 2022-09-06 江西好学微客教育科技有限公司 Education and training is with portable folding door type exhibition frame
CN115019694B (en) * 2022-07-11 2023-12-08 赣州思言教育科技有限公司 Portable folding door-shaped display rack for education and training

Similar Documents

Publication Publication Date Title
CN114592431A (en) Municipal bridge construction platform
CN102337729B (en) Safety support device for overturning dustbin and sanitation truck thereof
CN110748306B (en) Foldable pipe swinging robot for drilling platform surface
CN207713339U (en) A kind of roller more changing device
CN101586323B (en) Cast-in-situ concrete scrapping finishing machine of ballastless track slab
CN201416132Y (en) Cast-in-place concrete screeding and trowelling machine for track bed slabs of ballastless tracks
CN202265140U (en) Safe support device for overturn of trash bin and sanitation vehicle thereof
CN216272992U (en) Dual-purpose hydraulic lift truck of highway-railway
CN105887934B (en) Cover board mobile device based on diamond shape elevating mechanism and screw mechanism
CN208395679U (en) A kind of bridge construction support device
CN210214711U (en) Jack with lifting support platform
CN210439166U (en) Bridge support frame for municipal administration bridge in danger maintenance and transformation
CN210685317U (en) Construction platform for building
CN112661070A (en) Coal mine maintenance management device based on big data
CN208415015U (en) A kind of hydraulic rail head rail jack
CN112443793A (en) Multifunctional LED street lamp convenient to disassemble and maintain
CN108797352B (en) Bridge building laying device
CN207727979U (en) A kind of hydraulic template trolley poured for top plate
CN214734096U (en) Medical equipment maintains lifting devices
CN208022659U (en) A kind of civil engineering elevator
CN220789375U (en) Pavement joint cleaning device
CN219409196U (en) Inside maintenance device of using of rail vehicle
CN218562269U (en) River course river ecological remediation sewage treatment device
CN220467448U (en) Lifting device based on rigid chain
CN213358323U (en) Bridge is with overhauing platform

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