CN109826655B - Hydraulic engineering construction is with supporting safety arrangement - Google Patents
Hydraulic engineering construction is with supporting safety arrangement Download PDFInfo
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- CN109826655B CN109826655B CN201910149427.0A CN201910149427A CN109826655B CN 109826655 B CN109826655 B CN 109826655B CN 201910149427 A CN201910149427 A CN 201910149427A CN 109826655 B CN109826655 B CN 109826655B
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Abstract
The invention provides a supporting safety protection device for hydraulic engineering construction, which belongs to the technical field of hydraulic construction safety and comprises a safety protection assembly, a supporting plate, a supporting seat, two height adjusting devices and four telescopic supporting columns, wherein four corners of the bottom of the supporting seat are respectively provided with a damping block, the height adjusting devices are arranged on two sides in the middle of the supporting seat, the four telescopic supporting columns are respectively arranged on four corners of the top of the supporting seat, the supporting plate is arranged on the height adjusting devices and the tops of the telescopic supporting columns, and the safety protection assembly is arranged on the supporting plate. The device has enlarged the size of whole protection plate through the inside extension board of the first protection shield of safety protection subassembly, can also adjust the contained angle between its two second protection shields and the first protection shield through the pneumatic cylinder of safety protection subassembly, satisfies the demand of different holding surfaces, has improved the flexibility of whole device, and the range of application is wide.
Description
Technical Field
The invention belongs to the technical field of hydraulic construction safety, and particularly relates to a supporting safety protection device for hydraulic engineering construction.
Background
Often need get into the underground during water conservancy building construction and carry out construction work, because the polytropy of underground construction environment leads to it to threaten constructor's life safety to a certain extent, so when carrying out water conservancy construction, need equip special support protection device to this guarantees constructor's life safety.
Current water conservancy construction supports protection device mainly adopts the support column to support and the protection shield supports, and the fixed unable removal of support column general formula method strong point, the fixed structure of protection shield can not be adjusted simultaneously, and suitability and flexibility ratio are relatively poor.
Therefore, the application provides a new hydraulic engineering construction with supporting safety arrangement and solves above-mentioned problem.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a supporting safety protection device for hydraulic engineering construction.
In order to achieve the above purpose, the invention provides the following technical scheme:
a supporting safety protection device for hydraulic engineering construction comprises a safety protection assembly, a supporting plate, a supporting seat, two height adjusting devices and four telescopic supporting columns, wherein four corners of the bottom of the supporting seat are respectively provided with a damping block, the two height adjusting devices are respectively arranged on two sides of the middle of the supporting seat, the four telescopic supporting columns are respectively arranged on four corners of the top of the supporting seat, the supporting plate is arranged on the height adjusting devices and the tops of the telescopic supporting columns, and the safety protection assembly is arranged on the supporting plate;
the safety protection assembly comprises an extension plate, two first protection plates, two second protection plates and four hydraulic cylinders which are vertically arranged, wherein electric rollers are arranged at the bottom of each hydraulic cylinder, a group of sliding grooves matched with the electric rollers are arranged in parallel at the top of each supporting plate, two electric rollers are arranged in each sliding groove, the two second protection plates are respectively arranged at two sides of the two first protection plates and are respectively hinged with the adjacent first protection plates through hinges, a cavity is arranged in each first protection plate, two ends of each extension plate are respectively arranged in the cavities of the two first protection plates, two first universal shafts are connected at the bottom of each second protection plate, one first universal shaft is connected at the top of each hydraulic cylinder, and a reinforcing inclined strut is arranged between each first protection plate and each hydraulic cylinder, strengthen bracing one end with first protection plate fixed connection, strengthen the bracing other end with the cylinder body fixed connection of pneumatic cylinder.
Preferably, each group of the height adjusting devices comprises a power assembly and a height adjusting assembly, the power assembly comprises a motor, a motor seat, a coupler, a belt and two belt pulleys, the height adjusting assembly comprises a U-shaped rod, a top rod and two upright columns, the two upright columns are oppositely arranged on the supporting seat, the U-shaped rod is arranged between the two upright columns, the two top ends of the U-shaped rod reversely extend along the horizontal direction to form horizontal rods, the two horizontal rods respectively penetrate through one upright column and are rotatably connected with the upright column, the motor is arranged at the outer side of the upright column at one side, the motor seat is fixed on the supporting seat, the motor is fixed on the motor seat, an output shaft of the motor is connected with a rotating shaft through the coupler, and the two belt pulleys are respectively connected with one horizontal rod and the rotating shaft, the two belt pulleys are connected through the belt, the bearing is sleeved on the cross rod of the U-shaped rod, the lower end of the ejector rod is fixedly connected with the outer ring of the bearing, the bottom of the supporting plate, which is right opposite to the ejector rod, is provided with a second universal shaft, and the upper end of the ejector rod is connected with the second universal shaft.
Preferably, a through hole is formed in the middle of the damping block, a pulley with a brake pad is installed in the through hole, a push rod motor is arranged at the top of the pulley and arranged in the supporting seat, a push rod of the push rod motor penetrates through the supporting seat and is fixedly connected with the top of the pulley, a damping spring is sleeved on the push rod, and the push rod motor drives the pulley to extend out of or retract into the through hole.
Preferably, the bottom of the first protection plate is provided with a lighting device, and the periphery of the supporting plate is provided with a warning lamp and an alarm device.
Preferably, still include the control box, the control box sets up on the supporting seat, the inside controller that is provided with of control box, the control box openly is provided with control switch, first protection shield and second protection shield top all are provided with the forced induction piece, motor, push rod motor, lighting device, warning light and alarm device all with the signal output part electricity of controller is connected, control switch and forced induction piece all with the signal input part electricity of controller is connected.
Preferably, the controller is an AT89C52 singlechip.
Preferably, a baffle is arranged on the outer side of the second protection plate.
Preferably, the side of the second protection plate not hinged to the first protection plate is provided with a projection or a groove matched with the projection.
The supporting safety protection device for the hydraulic engineering construction comprises a safety protection assembly, supporting plates, supporting seats, two height adjusting devices and four telescopic supporting columns, wherein four corners of the bottom of each supporting seat are respectively provided with a damping block, each damping block can play a certain damping effect on the whole device, the height adjusting devices are arranged on two sides in the middle of each supporting seat, the four telescopic supporting columns are respectively arranged on four corners of the top of each supporting seat, each supporting plate is arranged on the height adjusting device and the top of each telescopic supporting column, the safety protection assembly is arranged on each supporting plate and used for adjusting the height of each supporting plate and the height of the safety protection assembly, and each telescopic supporting column plays a certain auxiliary supporting role for each supporting plate and the safety protection assembly; wherein, two second protection shields of safety protection subassembly set up respectively in two first protection shield both sides and pass through the hinge with adjacent first protection shield separately and articulate, the pneumatic cylinder is supporting first protection shield and second protection shield respectively with the enhancement bracing simultaneously, the pneumatic cylinder can slide in the spout, and then make two first protection shields remove to both sides, the extension board through first protection shield inside has enlarged to the size of whole protection shield, the protection area has been increased, can also adjust the contained angle between two second protection shields and the first protection shield through the pneumatic cylinder, satisfy the demand of different holding surfaces, the flexibility of whole device has been improved, the range of application is wide.
Drawings
Fig. 1 is a schematic structural view of a supporting safety protection device for hydraulic engineering construction according to embodiment 1 of the present invention;
fig. 2 is a use state diagram of the support safety protection device for hydraulic engineering construction according to embodiment 1 of the present invention when the extension plate is pulled away;
fig. 3 is a diagram illustrating a state of use when the extension plate of the supporting safety protection device for hydraulic engineering construction according to embodiment 1 of the present invention is pulled away and the second protection plate is tilted;
FIG. 4 is a schematic structural view of a safety shield assembly;
fig. 5 is a schematic view of an assembly structure of the second protection plate.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. In the description of the present invention, unless otherwise specified, "a plurality" means two or more, and will not be described in detail herein.
Example 1
The invention provides a supporting safety protection device for hydraulic engineering construction, which is particularly shown in figures 1 to 5 and comprises a safety protection assembly, a supporting plate 1, a supporting seat 2, two height adjusting devices and four telescopic supporting columns 3, wherein four corners of the bottom of the supporting seat 2 are respectively provided with a damping block 4, so that the buffering performance of the whole device can be improved, and the device is safer. Two height adjusting device set up both sides in the middle of supporting seat 2 respectively, and four flexible support column 3 set up respectively in 2 top four corners of supporting seat, and fagging 1 sets up at height adjusting device and flexible support column 3 tops, and the safety protection subassembly sets up on fagging 1.
As shown in fig. 4 in detail, the safety protection assembly includes an extension plate 5, two first protection plates 6, two second protection plates 7, and four vertically disposed hydraulic cylinders 8, in this embodiment, the hydraulic cylinders 8 are common single hydraulic cylinders. Pneumatic cylinder 8 bottom is provided with electronic gyro wheel 9, 1 top parallel arrangement of fagging has a set of spout 38 with electronic gyro wheel 9 complex, be provided with two electronic gyro wheels 9 in every spout 38, two second protection shields 7 set up respectively in two first protection shields 6 both sides and pass through hinge 10 with adjacent first protection shield 6 separately, first protection shield 6 is inside to have the cavity, 5 both ends of extension board set up respectively in the cavity of two first protection shields 6, 7 bottoms of every second protection shield are connected with two first universal axles 11, a first universal axle 11 is connected at8 tops of every pneumatic cylinder, be provided with one between first protection shield 6 and every pneumatic cylinder 8 and strengthen bracing 12, strengthen bracing 12 one end and 6 fixed connection of first protection shield, strengthen the 12 other ends of bracing and the cylinder body fixed connection of pneumatic cylinder 8.
Further, in this embodiment, each group of height adjusting devices includes a power assembly and a height adjusting assembly, the power assembly includes a motor 13, a motor base 14, a coupler 15, a belt 16 and two belt pulleys 17, the height adjusting assembly includes a "U" shaped rod 18, a top rod 19 and two upright posts 20, the two upright posts 20 are oppositely disposed on the support base 2, the "U" shaped rod 18 is disposed between the two upright posts 20, two top ends of the "U" shaped rod 18 extend in opposite directions along a horizontal direction to form horizontal rods 21, the two horizontal rods 21 respectively penetrate through one upright post 20 and are rotatably connected with the upright post 20, the motor 13 is disposed outside one upright post 20, the motor base 14 is fixed on the support base 2, the motor 13 is fixed on the motor base 14, an output shaft of the motor 13 is connected with a rotating shaft 22 through the coupler 15, the two belt pulleys 17 are respectively connected with one horizontal rod 21 and the rotating shaft 22, the two belt pulleys, the bearing 23 is sleeved on the cross rod of the U-shaped rod 18, the lower end of the ejector rod 19 is fixedly connected with the outer ring of the bearing 23, the bottom of the supporting plate 1 opposite to the ejector rod 19 is provided with a second universal shaft 39, and the upper end of the ejector rod 19 is connected with the second universal shaft 39. The motor 13 drives the rotating shaft 22, the belt 16, the belt pulley 17 and the U-shaped rod 18 to rotate in sequence, and the U-shaped rod 18 adjusts the height of the ejector rod 19 in the rotating process, so that the purpose of adjusting the heights of the supporting plate 1 and the safety protection assembly is achieved.
Further, in this embodiment, a through hole 25 is provided in the middle of the damping block 4, a pulley 26 with a brake pad is installed in the through hole 25, a push rod motor 27 is provided at the top of the pulley 26, the push rod motor 27 is provided in the supporting seat 2, a push rod of the push rod motor 27 penetrates through the supporting seat 2 and is fixedly connected with the top of the pulley 26, a damping spring 28 is sleeved on the push rod, and the push rod motor 27 drives the pulley 26 to extend out of or retract into the through hole 25. When the device needs to move, the pulley 26 is pushed out of the through hole 25 through the push rod motor 27, and the movement of the whole device is facilitated.
Further, in the embodiment, the bottom of the first protection plate 6 is provided with a lighting device 29, the periphery of the supporting plate 1 is provided with a warning lamp 24 and an alarm device 30, and the alarm device 30 is an audible and visual alarm, so that manual control and automatic control can be realized.
In order to conveniently control the whole device, the device further comprises a control box 31 in the embodiment, the control box 31 is arranged on the support base 2, a controller 32 is arranged in the control box 31, and the controller 32 is an AT89C52 single chip microcomputer. The control box 31 is provided with a control switch 33 on the front surface, and the control switch 33 comprises switches of the motor 13, the push rod motor 27, the lighting device 29, the warning lamp 24 and the alarm device 30. The top parts of the first protection plate 6 and the second protection plate 7 are respectively provided with a pressure sensing piece 34, the motor 13, the push rod motor 27, the lighting device 29, the warning lamp 24 and the alarm device 30 are respectively and electrically connected with a signal output end of the controller 32, and the control switch 33 and the pressure sensing piece 34 are respectively and electrically connected with a signal input end of the controller 32. The pressure sensing piece 34 and the alarm device 30 can detect the top pressure of the construction site, and can give an alarm to constructors to protect the life safety of the constructors once the collapse danger occurs. The controller 32 receives the instruction of the control switch 33 to perform various control operations on the motor 13, the push rod motor 27, the lighting device 29, the warning lamp 24 and the alarm device 30, the pressure sensing sheet 34 transmits the acquired pressure signal on the protection board to the controller 32, when the pressure value is greater than the preset value, the pressure on the protection board exceeds the bearing capacity of the device, and the device is in danger of collapse, at this time, the controller 32 sends an instruction to the alarm device 30, the alarm device 30 performs audible and visual alarm to remind people to evacuate as soon as possible or take protective measures, and if other dangerous conditions exist, a worker can manually press the switch of the alarm device 30 to perform alarm reminding.
Further, in the present embodiment, a baffle 35 is provided on the outer side of the second protective plate 7. The setting of baffle 35 and warning light 24 has improved the security performance of whole device, great improvement constructor's work efficiency.
Further, in the present embodiment, as shown in fig. 5, the side of the second protection plate 7, which is not hinged to the first protection plate 6, is provided with a projection 36 or a groove 37 matched with the projection 36. A plurality of safety guards can be used in combination by the cooperation of the projection 36 and the groove 37.
The supporting safety protection device for hydraulic engineering construction provided in this embodiment may have various use forms according to actual situations, for example, fig. 1 is a use state diagram when the supporting area is small, the extension plate is not pulled apart, and the first protection plate and the second protection plate are both in a horizontal state, and fig. 2 is a use state diagram when the extension plate of the supporting safety protection device for hydraulic engineering construction of embodiment 1 of the present invention is pulled apart; fig. 3 is a diagram showing a state of use when the extension plate of the supporting safety device for hydraulic engineering construction according to embodiment 1 of the present invention is pulled away and the second protection plate is tilted.
In use, the switch of the push rod motor 27 is first turned on, the push rod motor 27 pushes the pulley 26 out of the through hole 25, the whole device is moved to a target position through the pulley 26, and then the pulley 26 is retracted into the through hole 25.
The switch of the motor 13 is turned on, the motor 13 drives the U-shaped rod 18 to rotate through the belt 16 and the two belt pulleys 17, and then drives the ejector rod 19 to rotate, the ejector rod 19 pushes the supporting plate 1 to synchronously ascend in the upward rotating process, so that each protective plate also ascends, and the motor 13 is stopped to operate until the protective plate abuts against the supporting surface at the top. When the supporting surface is an arc surface or an uneven surface, the hydraulic cylinder 8 starts to work, the second protection plate 7 is pulled downwards through the hydraulic cylinder 8 until the second protection plate 7 is abutted against the supporting surface to be supported, and the hydraulic cylinder 8 stops acting.
If need increase the holding surface, need start electronic gyro wheel 9 this moment, electronic gyro wheel 9 drives pneumatic cylinder 8 and moves to both sides along spout 38 for extension board 5 exposes from first protection shield 6 and second protection shield 7, supports jointly through extension board 5, first protection shield 6 and second protection shield 7, reaches the purpose that enlarges the holding surface.
The supporting safety protection device for the hydraulic engineering construction comprises a safety protection assembly, a supporting plate, a supporting seat, two height adjusting devices and four telescopic supporting columns, wherein four corners of the bottom of the supporting seat are respectively provided with a damping block, the damping blocks can play a certain damping effect on the whole device, the height adjusting devices are arranged on two sides in the middle of the supporting seat, the four telescopic supporting columns are respectively arranged on four corners of the top of the supporting seat, the supporting plate is arranged on the height adjusting devices and the tops of the telescopic supporting columns, the safety protection assembly is arranged on the supporting plate and used for adjusting the heights of the supporting plate and the safety protection assembly, and the telescopic supporting columns play a certain auxiliary supporting role on the supporting plate and the safety protection; wherein, two second protection shields of safety protection subassembly set up respectively in two first protection shield both sides and pass through the hinge with adjacent first protection shield separately and articulate, the pneumatic cylinder is supporting first protection shield and second protection shield respectively with the enhancement bracing simultaneously, the pneumatic cylinder can slide in the spout, and then make two first protection shields remove to both sides, extension board through first protection shield inside has enlarged the size of whole protection shield, can also adjust the contained angle between two second protection shields and the first protection shield through the pneumatic cylinder, satisfy the demand of different holding surfaces, the flexibility of whole device has been improved, the range of application is wide.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any simple modifications or equivalent substitutions of the technical solutions that can be obviously obtained by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (8)
1. A supporting safety protection device for hydraulic engineering construction is characterized by comprising a safety protection assembly, a supporting plate (1), a supporting seat (2), two height adjusting devices and four telescopic supporting columns (3), wherein four corners of the bottom of the supporting seat (2) are respectively provided with a damping block (4), the two height adjusting devices are respectively arranged on two sides of the middle of the supporting seat (2), the four telescopic supporting columns (3) are respectively arranged on four corners of the top of the supporting seat (2), the supporting plate (1) is arranged on the height adjusting devices and the tops of the telescopic supporting columns (3), and the safety protection assembly is arranged on the supporting plate (1);
the safety protection assembly comprises an extension plate (5), two first protection plates (6), two second protection plates (7) and four hydraulic cylinders (8) which are vertically arranged, wherein electric rollers (9) are arranged at the bottom of each hydraulic cylinder (8), a group of sliding grooves (38) matched with the electric rollers (9) are arranged at the top of each supporting plate (1) in parallel, two electric rollers (9) are arranged in each sliding groove (38), the two second protection plates (7) are respectively arranged at two sides of the two first protection plates (6) and are respectively hinged with the adjacent first protection plates (6) through hinges (10), a cavity is arranged inside each first protection plate (6), two ends of the extension plate (5) are respectively arranged in the cavities of the two first protection plates (6), and two first universal shafts (11) are connected to the bottom of each second protection plate (7), every pneumatic cylinder (8) top is connected one first universal shaft (11), first protection board (6) and every be provided with one between pneumatic cylinder (8) and strengthen bracing (12), strengthen bracing (12) one end with first protection board (6) fixed connection, strengthen bracing (12) the other end with the cylinder body fixed connection of pneumatic cylinder (8).
2. The supporting safety protection device for the hydraulic engineering construction according to claim 1, wherein each group of the height adjusting devices comprises a power assembly and a height adjusting assembly, the power assembly comprises a motor (13), a motor base (14), a coupler (15), a belt (16) and two belt pulleys (17), the height adjusting assembly comprises a U-shaped rod (18), a top rod (19) and two upright columns (20), the two upright columns (20) are oppositely arranged on the supporting base (2), the U-shaped rod (18) is arranged between the two upright columns (20), two top ends of the U-shaped rod (18) reversely extend along the horizontal direction to form horizontal rods (21), the two horizontal rods (21) respectively penetrate through one upright column (20) and are rotatably connected with the upright column (20), the motor (13) is arranged on the outer side of the upright column (20), motor cabinet (14) are fixed on supporting seat (2), motor (13) are fixed on motor cabinet (14), the output shaft of motor (13) passes through pivot (22), two are connected in shaft coupling (15) belt pulley (17) respectively with one level bar (21) and pivot (22) are connected, two belt pulley (17) pass through belt (16) are connected, bearing (23) have been cup jointed on the horizontal pole of "U" type pole (18), ejector pin (19) lower extreme with bearing (23) outer lane fixed connection, ejector pin (19) are just right backup pad (1) bottom is provided with second universal shaft (39), ejector pin (19) upper end with second universal shaft (39) are connected.
3. The supporting safety protection device for the hydraulic engineering construction according to claim 2, wherein a through hole (25) is formed in the middle of the damping block (4), a pulley (26) with a brake pad is installed in the through hole (25), a push rod motor (27) is arranged at the top of the pulley (26), the push rod motor (27) is arranged in the supporting seat (2), a push rod of the push rod motor (27) penetrates through the supporting seat (2) and is fixedly connected with the top of the pulley (26), a damping spring (28) is sleeved on the push rod, and the push rod motor (27) drives the pulley (26) to extend out or retract into the through hole (25).
4. The supporting safety protection device for the hydraulic engineering construction is characterized in that a lighting device (29) is arranged at the bottom of the first protection plate (6), and warning lamps (24) and alarm devices (30) are arranged on the periphery of the supporting plate (1).
5. The supporting safety protection device for the hydraulic engineering construction is characterized by further comprising a control box (31), the control box (31) is arranged on the supporting seat (2), a controller (32) is arranged inside the control box (31), a control switch (33) is arranged on the front face of the control box (31), pressure sensing pieces (34) are arranged on the tops of the first protection plate (6) and the second protection plate (7), the motor (13), the push rod motor (27), the lighting device (29), the warning lamp (24) and the alarm device (30) are electrically connected with a signal output end of the controller (32), and the control switch (33) and the pressure sensing pieces (34) are electrically connected with a signal input end of the controller (32).
6. The supporting safety protection device for the hydraulic engineering construction is characterized in that the controller (32) is an AT89C52 single-chip microcomputer.
7. The supporting safety protection device for hydraulic engineering construction according to claim 1, wherein a baffle (35) is arranged on the outer side of the second protection plate (7).
8. The supporting safety protection device for hydraulic engineering construction according to claim 1, wherein the side of the second protection plate (7) not hinged to the first protection plate (6) is provided with a projection (36) or a groove (37) matched with the projection (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910149427.0A CN109826655B (en) | 2019-02-28 | 2019-02-28 | Hydraulic engineering construction is with supporting safety arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910149427.0A CN109826655B (en) | 2019-02-28 | 2019-02-28 | Hydraulic engineering construction is with supporting safety arrangement |
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| CN109826655A CN109826655A (en) | 2019-05-31 |
| CN109826655B true CN109826655B (en) | 2020-06-23 |
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| CN201910149427.0A Expired - Fee Related CN109826655B (en) | 2019-02-28 | 2019-02-28 | Hydraulic engineering construction is with supporting safety arrangement |
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| CN111562172B (en) * | 2020-06-18 | 2022-10-04 | 广东石油化工学院 | Metal material fracture performance wedging testing device |
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|---|---|---|---|---|
| US5626441A (en) * | 1995-07-07 | 1997-05-06 | Grebenyuk; Boris | Sliding stabilizer |
| JPH10131129A (en) * | 1996-10-31 | 1998-05-19 | Noda Eng:Kk | Method and device for executing removal and setting of steel-made bridge |
| CN202560245U (en) * | 2012-05-11 | 2012-11-28 | 中国建筑第五工程局有限公司 | Multifunctional trolley with freely retractable arms |
| CN205917642U (en) * | 2016-08-23 | 2017-02-01 | 杨海龙 | Hydraulic engineering construction is with supporting safety arrangement |
| CN107780435A (en) * | 2017-12-13 | 2018-03-09 | 山东圣腾酒店管理有限公司 | A kind of construction of hydro project support safety protection device |
| CN207933971U (en) * | 2017-12-25 | 2018-10-02 | 河南牧川建筑工程有限公司 | A kind of water conservancy construction protective device for building |
-
2019
- 2019-02-28 CN CN201910149427.0A patent/CN109826655B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5626441A (en) * | 1995-07-07 | 1997-05-06 | Grebenyuk; Boris | Sliding stabilizer |
| JPH10131129A (en) * | 1996-10-31 | 1998-05-19 | Noda Eng:Kk | Method and device for executing removal and setting of steel-made bridge |
| CN202560245U (en) * | 2012-05-11 | 2012-11-28 | 中国建筑第五工程局有限公司 | Multifunctional trolley with freely retractable arms |
| CN205917642U (en) * | 2016-08-23 | 2017-02-01 | 杨海龙 | Hydraulic engineering construction is with supporting safety arrangement |
| CN107780435A (en) * | 2017-12-13 | 2018-03-09 | 山东圣腾酒店管理有限公司 | A kind of construction of hydro project support safety protection device |
| CN207933971U (en) * | 2017-12-25 | 2018-10-02 | 河南牧川建筑工程有限公司 | A kind of water conservancy construction protective device for building |
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| CN109826655A (en) | 2019-05-31 |
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