CN111717854A - Building engineering machinery maintenance work platform - Google Patents
Building engineering machinery maintenance work platform Download PDFInfo
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- CN111717854A CN111717854A CN202010706441.9A CN202010706441A CN111717854A CN 111717854 A CN111717854 A CN 111717854A CN 202010706441 A CN202010706441 A CN 202010706441A CN 111717854 A CN111717854 A CN 111717854A
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- direction adjusting
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- adjusting plate
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- 238000012423 maintenance Methods 0.000 title claims abstract description 21
- 238000005266 casting Methods 0.000 claims abstract description 16
- 238000010276 construction Methods 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
The invention discloses a maintenance operation platform for construction engineering machinery, which comprises a bearing protection frame, a motor I, a support assembly, a direction adjusting plate I, a direction adjusting plate II and an operation flat plate, wherein a concave cavity is arranged in the middle of the bearing protection frame; the top of the first direction adjusting plate is provided with a bar-shaped notch, a sliding block is embedded into the bar-shaped notch, and the bottom end of the left end of the operation panel, which is connected with a linkage casting block and a linkage casting block, is fixedly connected with the sliding block. The lifting control device is convenient to control lifting integrally, can carry out moving operation within a range, is convenient to adjust the angle, and is high in integral flexibility and strong in functionality.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a maintenance operation platform for construction engineering machinery.
Background
The construction machine is a general name of mechanical equipment used for engineering construction and urban and rural construction, and comprises various machines such as an excavating machine, a shovel soil transportation machine, a compaction machine, an engineering hoisting machine, a piling machine, a pavement machine, a concrete product machine, a steel bar grade prestress machine, a decoration machine, an overhead working machine and the like. The scissor-fork type aerial work platform is special equipment for aerial maintenance work with wide application. The scissor type mechanical structure of the lifting platform enables the lifting platform to have higher stability after being lifted, and the wide operation platform and the higher bearing capacity enable the high-altitude operation range to be larger and are suitable for simultaneous operation of multiple persons. It makes high altitude construction efficiency higher, safer. The power supply can be selected according to different requirements, and a manual hydraulic device is added, so that the power supply can be lifted and lowered to work in power-off or power-supply-free places as usual, and a telescopic platform can be added, so that the power supply is an ideal equipped product for modern high-rise buildings and equipment, and is necessary for high-altitude safe civilized production.
The existing building engineering equipment needs to be maintained during high-altitude operation, and the existing maintenance operation platform adopts a welding mode mostly to form various fixed supporting structures, so that the flexibility is poor during maintenance operation, the time consumed for moving the whole equipment is large, and the use is very inconvenient. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a maintenance operation platform for constructional engineering machinery, which solves the problems that: the existing building engineering equipment needs to be maintained during high-altitude operation, and the existing maintenance operation platform adopts a welding mode mostly to form various fixed supporting structures, so that the flexibility is poor during maintenance operation, the time consumed for moving the whole equipment is large, and the use is inconvenient.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a maintenance operation platform for construction engineering machinery comprises a bearing protection frame, a motor I, a support assembly, a direction adjusting plate I, a direction adjusting plate II and an operation flat plate, wherein a concave cavity is formed in the middle of the bearing protection frame;
the top of the first direction adjusting plate is provided with a strip-shaped notch, a sliding block is embedded in the strip-shaped notch, the left end of the operation panel is connected with a linkage casting block, the bottom end of the linkage casting block is fixedly connected with the sliding block, the right side of the linkage casting block is provided with a bearing seat disc, the left side of the linkage casting block is connected with a strip-shaped buckling block, the front side and the rear side of the side wall of the first direction adjusting plate are respectively provided with a second hydraulic cylinder, the inner side of the second direction adjusting plate is provided with a sliding chute, a linkage frame is embedded in the sliding chute and comprises two symmetrical bar rods, the left side of each bar rod is fixedly connected with a cushion block, the middle of each two bar rods is provided with a second motor, the output shaft of the second motor is connected with the operation panel, each bar rod is provided with a speed limiting structure, the speed limiting structure comprises a sleeve frame, the sleeve frame is sleeved on the outer side of, the output end of the pneumatic cylinder is connected with a supporting arm rod, and the terminal of the supporting arm rod is connected with a pressing sheet.
As a further preferable mode of the invention, the pressing sheets are in a semi-circular arc shape, and the two pressing sheets of the speed limiting structure are integrally buckled to form a ring shape and are wrapped on the outer side of the output shaft of the motor II.
As a further preferable mode of the present invention, the output end of the first hydraulic cylinder is connected with a wedge, a projection is arranged in the middle of the wedge, and a groove corresponding to the projection is arranged in the middle of the buckle.
In a further preferred embodiment of the present invention, the work plate is rectangular, an oil tank is provided on the left side of the top of the work plate, and a drain line is provided on the outside of the oil tank.
As a further preferable mode of the invention, the top of the operation panel is further provided with a fastening structure, the fastening structure comprises a base plate vertically arranged on the top of the operation panel, a groove is formed in the middle of the base plate, two slidable clamping plates are arranged on the top of the groove, and the clamping plates are all adjusted through a screw rod.
In a further preferred embodiment of the present invention, a slide rail plate is provided on the top of the right side of the work plate, a seat plate is slidably connected to the top of the slide rail plate, and a welding gun is vertically provided on the top of the seat plate.
As a further preferable mode of the invention, a plurality of strip-shaped plates are arranged on the output shaft of the first motor, convex balls are embedded into the bottoms of the strip-shaped plates, a ring disc is arranged right below the convex balls, annular notches corresponding to the convex balls are formed in the top of the ring disc, and the outer end of the ring disc is welded with the bearing protective frame.
(III) advantageous effects
The invention provides a maintenance operation platform for constructional engineering machinery. The method has the following beneficial effects:
(1) the motor I can be used as power to integrally drive the support assembly and the operation panel at the top of the support assembly to rotate, the angle is adjusted, meanwhile, the convex balls added on the two sides of the output shaft of the motor I can be buckled with the notches on the ring disc, so that the bearing force can be shared when the output shaft of the motor I rotates and is static, and the stabilizing effect is enhanced.
(2) The position of the operation flat plate can be integrally controlled by using the hydraulic cylinder II on the outer side of the direction adjusting plate I, meanwhile, the motor II on the direction adjusting plate II can drive the whole operation flat plate to rotate, and the hydraulic cylinder I can control the height of the operation flat plate, so that the angle and the position can be flexibly adjusted.
(3) According to the invention, the fastening structure, the oil storage tank and the welding gun are added on the operation flat plate, so that the equipment is convenient to maintain.
(4) According to the invention, the speed-limiting structure is added on the outer side of the output shaft of the motor II, and the two pressing sheets can be tightened and attached to the output shaft, so that the effect of limiting speed and slowly rotating is achieved, and the operation is more stable.
Drawings
FIG. 1 is a schematic top view of an integral work plate according to the present invention;
FIG. 2 is a schematic overall side view of the present invention;
FIG. 3 is a schematic view of the structure of the present invention;
FIG. 4 is a schematic side view of the speed limiting structure of the present invention;
fig. 5 is a schematic structural diagram of the ring disk of the present invention.
In the figure, 1-bearing protective frame, 2-motor I, 3-frame component, 4-direction adjusting plate I, 5-direction adjusting plate II, 6-operation flat plate, 7-bearing plate, 8-hydraulic cylinder I, 9-strip notch, 10-linkage casting block, 11-bearing seat disk, 12-buckle block, 13-hydraulic cylinder II, 14-linkage frame, 15-strip rod, 16-motor II, 17-speed limiting structure, 18-sleeve frame, 19-pneumatic cylinder, 20-support arm rod, 21-pressing sheet, 22-wedge block, 23-oil storage tank body, 24-liquid drainage pipeline, 25-backing plate, 26-clamping plate, 27-slide rail plate, 28-welding gun, 29-strip plate, 30-convex ball, 31-ring disk, 32-notches.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a maintenance operation platform for construction engineering machinery comprises a bearing protection frame 1, a motor I2, a support assembly 3, a direction adjusting plate I4, a direction adjusting plate II 5 and an operation flat plate 6, wherein a concave cavity is formed in the middle of the bearing protection frame 1, the support assembly 3 is rotatably connected with the motor I2, the direction adjusting plate I4 and the direction adjusting plate II 5 are arranged at the top of the frame assembly 3, the operation flat plate 6 is arranged between the direction adjusting plate I4 and the direction adjusting plate II 5, the support assembly 3 comprises a bearing plate 7, hydraulic cylinders I8 are symmetrically arranged on the left side and the right side of the top of the bearing plate 7, the top of the output end of the hydraulic cylinder I8 is connected with a strip-shaped plate, the hydraulic cylinders I8 can serve as power to push the strip-shaped plate and a structure at the; the top of the direction adjusting plate I4 is provided with a strip-shaped notch 9, a sliding block is embedded in the strip-shaped notch 9, the left end of the operation flat plate 6 is connected with a linkage casting block 10, the bottom end of the linkage casting block 10 is fixedly connected with the sliding block, the right side of the linkage casting block 10 is provided with a bearing seat disc 11, the left side of the linkage casting block is connected with a strip-shaped buckling block 12, the front and the back of the side wall of the direction adjusting plate I4 are respectively provided with a hydraulic cylinder II 13, the operation flat plate 6 can be pushed to move horizontally by using the hydraulic cylinder II 13 as power, the inner side of the direction adjusting plate II 5 is provided with a sliding groove, a linkage frame 14 is embedded in the sliding groove, the linkage frame 14 comprises two symmetrical bar rods 15, the left side of each bar rod 15 is fixedly connected with a cushion block, a motor II 16 is arranged between the two bar rods, the output shaft of the motor II 16 is connected with the operation flat plate, thereby be convenient for angle of adjustment to carry out the operation, the flexibility is high, all is provided with speed limiting structure 17 on two barres 15, and speed limiting structure 17 includes cover frame 18, and cover frame 18 cover is located the outside of barre 15 and the outer end of cover frame 18 is connected with pneumatic cylinder 19, and pneumatic cylinder 19's output is connected with a boom pole 20, and the terminal connection that is located boom pole 20 has preforming 21.
Further, referring to fig. 4, the pressing plates 21 are in a semi-arc shape, the pressing plates of the two speed limiting structures 17 are integrally buckled to form a ring shape to wrap the outer side of the output shaft of the second motor 16, and the pneumatic cylinder 19 on the speed limiting structures 17 can be used as power to push the pressing plates 21 on the support arm rod 20 to be buckled and extruded on the output shaft of the second motor 16, so that speed limiting adjustment is achieved, and operation stability is improved.
Further, referring to fig. 1, the output end of the first hydraulic cylinder 8 is connected with a wedge 22, a convex block is arranged in the middle of the wedge 22, a groove corresponding to the convex block is arranged in the middle of the buckle 12, and the convex block on the wedge 22 can be inserted into the groove by the design to be fixed with the buckle 12, so that the pushing is facilitated.
Further, referring to fig. 1, the operation plate 6 is rectangular, an oil storage tank 23 is disposed on the left side of the top of the operation plate 6, and a liquid discharge pipe 24 is disposed on the outer side of the oil storage tank 23, so that the oil storage tank 23 can be used to refuel equipment to be maintained.
Further, referring to fig. 1, the top of the operation panel 6 is further provided with a fastening structure, the fastening structure includes a backing plate 25 vertically disposed on the top of the operation panel, a groove is formed in the middle of the backing plate 25, two slidable clamping plates 26 are disposed on the top of the groove, the clamping plates 26 are all adjusted by a screw rod, and the clamping plates 26 on the fastening structure can be used for tightening and fixing other parts by such a design.
Further, referring to fig. 1, a slide rail plate 27 is disposed on the top of the right side of the work plate 6, a seat plate is slidably connected to the top of the slide rail plate 27, and a welding gun 28 is vertically disposed on the top of the seat plate, so that the welding gun 28 on the slide rail plate 27 can be used for welding.
Specifically, be located be provided with a plurality of bar 29 on the output shaft of motor 2, a plurality of the bottom embedding of bar 29 has the protruding ball 30, be provided with the ring 31 under the protruding ball 30, the notch 32 that is the annular form corresponding with the protruding ball 30 is seted up at the top of ring 31, the outer end and the bearing of ring 31 protect frame 1 welding, can use the protruding ball 30 of bar 29 bottom and the notch 32 laminating on the ring 31 through such design, reach the effect of auxiliary stay.
The working principle is as follows: when the angle adjusting device is used, the hydraulic cylinder I8 serves as power to adjust the first direction adjusting plate 4 and the second direction adjusting plate 5 at the top of the angle adjusting device, the motor I2 serves as power to assist in angle adjustment, the two hydraulic cylinders I8 on the first direction adjusting plate 4 serve as power to control the wedge 22 to be attached to the linkage casting block 10, the operation flat plate 6 is integrally driven to move within a range, the motor II 16 on the linkage frame 14 of the direction adjusting plate II 5 serves as power to drive the operation flat plate 6 to rotate to achieve angle adjustment, meanwhile, the speed limiting structure 17 is added on the outer side of the output shaft of the motor II 16, the pneumatic cylinder 19 can be used for rapidly pushing the pressing sheet 21 on the support arm rod 20 to extrude the output shaft of the attachment motor II 16, the speed adjusting effect can be achieved, and the operation.
The invention relates to a bearing protection frame, a motor I, a frame assembly, a direction adjusting plate I, a direction adjusting plate II, a working flat plate 6, a bearing plate 7, a hydraulic cylinder I, a strip-shaped notch 9, a linkage casting block 10, a bearing seat disc 11, a buckle block 12, a hydraulic cylinder II 13, a linkage frame 14, a strip rod 15, a motor II, a speed limiting structure 17, a sleeve frame 18, a pneumatic cylinder 19, a support arm rod 20, a pressing sheet 21, a wedge block 22, an oil storage tank 23, a liquid discharge pipeline 24, a backing plate 25, a clamp plate 26, a slide rail plate 27, a welding gun 28, a strip plate 29, a convex ball 30, a circular disc 31, a bearing protection frame 2, a motor I, a motor II, a, 32-notch, the part is the general standard component or the part that technicians in this field know, its structure and principle all can be known or can be known through the routine experimental method through the technical manual for this technician, the problem that the invention solves is that the existing building engineering equipment works at the high altitude, need to maintain, the existing maintenance operation platform, most adopts the welding mode to form many kinds of fixed supporting structures, while maintaining, the flexibility is poorer, and it is time consuming to move the whole equipment, it is extremely inconvenient to use, the invention through the mutual combination of the above-mentioned parts, the invention can drive the bracket assembly and the operation flat plate on the top of it to rotate, adjust the angle through using the motor one as the power, the protruding ball added on both sides of the output shaft of the motor one can be buckled with the notch on the ring plate at the same time, can share the bearing capacity when making the output shaft of the motor one rotate and be static, the hydraulic cylinder II on the outer side of the direction adjusting plate I can integrally control the position of the operation flat plate, the motor II on the direction adjusting plate II can drive the whole operation flat plate to rotate, the hydraulic cylinder I can control the height of the operation flat plate, and the angle and the position can be flexibly adjusted.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a building engineering machinery maintenance work platform which characterized in that: the bearing protection frame comprises a bearing protection frame (1) with a concave cavity in the middle, a motor I (2) arranged in the middle of the bearing protection frame (1), a support assembly (3) rotationally connected with the motor I (2), a direction adjusting plate I (4), a direction adjusting plate II (5) and an operation flat plate (6), wherein the direction adjusting plate I (4) and the direction adjusting plate II (5) are arranged at the top of the frame assembly (3), the operation flat plate (6) is arranged between the direction adjusting plate I (4) and the direction adjusting plate II (5), the support assembly (3) comprises a bearing plate (7), hydraulic cylinders I (8) are symmetrically arranged on the left side and the right side of the top of the bearing plate (7), the top of the output end of each hydraulic cylinder I (8) is connected with a strip-shaped plate, and the tops of the left end;
the top of the direction adjusting plate I (4) is provided with a bar-shaped notch (9), a sliding block is embedded in the bar-shaped notch (9), the left end of the operation flat plate (6) is connected with a linkage casting block (10) in a setting manner, the bottom end of the linkage casting block (10) is fixedly connected with the sliding block, the right side of the linkage casting block (10) is provided with a bearing seat disc (11), the left side of the operation flat plate is connected with a bar-shaped buckling block (12), hydraulic cylinders II (13) are arranged on the front side and the rear side of the side wall of the direction adjusting plate I (4), the inner side of the direction adjusting plate II (5) is provided with a sliding groove, a linkage frame (14) is embedded in the sliding groove, the linkage frame (14) comprises two symmetrical bar rods (15), a cushion block is fixedly connected to the left side of the bar rods (15), a motor II (16) is arranged in the middle of the two bar rods, and the output shaft of the motor II (16), two all be provided with speed limit structure (17) on barre (15), speed limit structure (17) are including cover frame (18), the outside of barre (15) and the outer end of cover frame (18) are located in cover frame (18) cover are connected with pneumatic cylinder (19), the output of pneumatic cylinder (19) is connected with brachial pole (20), is located the terminal connection of brachial pole (20) has preforming (21).
2. A construction work machine maintenance work platform according to claim 1, characterized in that: the pressing sheets (21) are in a semi-circular arc shape, and the pressing sheets of the two speed limiting structures (17) are integrally buckled to form an annular wrapping mode outside an output shaft of the motor II (16).
3. A construction work machine maintenance work platform according to claim 1, characterized in that: the output end of the first hydraulic cylinder (8) is connected with a wedge block (22), a convex block is arranged in the middle of the wedge block (22), and a groove corresponding to the convex block is formed in the middle of the buckling block (12).
4. A construction work machine maintenance work platform according to claim 1, characterized in that: the operation flat plate (6) is rectangular, an oil storage tank body (23) is arranged on the left side of the top of the operation flat plate (6), and a liquid drainage pipeline (24) is arranged on the outer side of the oil storage tank body (23).
5. A construction work machine maintenance work platform according to claim 1, characterized in that: the top of operation flat board (6) still is provided with fastening structure, fastening structure is including setting up in backing plate (25) at operation flat board top perpendicularly, set up flutedly in the middle of backing plate (25), be located the top of recess is provided with two slidable splint (26), splint (26) are all adjusted through the lead screw.
6. A construction work machine maintenance work platform according to claim 1, characterized in that: the top of the right side of the operation flat plate (6) is provided with a slide rail plate (27), the top of the slide rail plate (27) is connected with a seat plate in a sliding manner, and the top of the seat plate is vertically provided with a welding gun (28).
7. A construction work machine maintenance work platform according to claim 1, characterized in that: the motor is characterized in that a plurality of strip-shaped plates (29) and a plurality of strip-shaped plates (29) are arranged on an output shaft of the motor I (2), a convex ball (30) is embedded into the bottom of each strip-shaped plate (29), a ring disc (31) is arranged under each convex ball (30), a notch (32) which is in an annular shape and corresponds to each convex ball (30) is formed in the top of each ring disc (31), and the outer end of each ring disc (31) is welded with the bearing protection frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010706441.9A CN111717854B (en) | 2020-07-21 | 2020-07-21 | Building engineering machinery maintenance work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010706441.9A CN111717854B (en) | 2020-07-21 | 2020-07-21 | Building engineering machinery maintenance work platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111717854A true CN111717854A (en) | 2020-09-29 |
| CN111717854B CN111717854B (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010706441.9A Active CN111717854B (en) | 2020-07-21 | 2020-07-21 | Building engineering machinery maintenance work platform |
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| Country | Link |
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| CN (1) | CN111717854B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882257A (en) * | 2021-09-09 | 2022-01-04 | 江苏月生达机械制造有限公司 | Hydraulic box girder internal mold dismounting trolley |
| CN114103890A (en) * | 2021-11-10 | 2022-03-01 | 新沂阿凡达智能科技有限公司 | Tractor load-bearing structure that multi-angle was adjusted |
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| CN210176382U (en) * | 2019-04-26 | 2020-03-24 | 建湖县八达液压机械有限公司 | Hydraulic lifting platform for unloading |
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2020
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| US20190023543A1 (en) * | 2014-10-17 | 2019-01-24 | Vehicle Service Group, Llc | Hydraulic synchronizer |
| CN108017010A (en) * | 2016-10-31 | 2018-05-11 | 天津诚强机械制造股份有限公司 | The multiway shifter of shear-type elevator |
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| CN113882257A (en) * | 2021-09-09 | 2022-01-04 | 江苏月生达机械制造有限公司 | Hydraulic box girder internal mold dismounting trolley |
| CN114103890A (en) * | 2021-11-10 | 2022-03-01 | 新沂阿凡达智能科技有限公司 | Tractor load-bearing structure that multi-angle was adjusted |
| CN114103890B (en) * | 2021-11-10 | 2023-08-11 | 江苏四达重工有限公司 | Tractor bearing structure of multi-angle regulation |
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| Publication number | Publication date |
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| CN111717854B (en) | 2022-03-11 |
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Application publication date: 20200929 Assignee: Xuzhou Haobo Construction Engineering Co.,Ltd. Assignor: JIANGSU College OF SAFETY TECHNOLOGY Contract record no.: X2022980023778 Denomination of invention: A maintenance platform for construction machinery Granted publication date: 20220311 License type: Common License Record date: 20221202 |
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Effective date of registration: 20231229 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: 221011 No.1, Daxue Road, Jiawang District, Xuzhou City, Jiangsu Province Patentee before: JIANGSU College OF SAFETY TECHNOLOGY |
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Effective date of registration: 20240812 Address after: Room 1303, Building 1, Block A, No. 128 Xinjianglongting, Chengdong Community, Hekou Town, Qianshan County, Shangrao City, Jiangxi Province 334000 Patentee after: Zhan Yiyi Country or region after: China Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Dragon totem Technology (Hefei) Co.,Ltd. Country or region before: China |