CN223497532U

CN223497532U - Safety anti-falling device for water conservancy dam construction

Info

Publication number: CN223497532U
Application number: CN202422870864.0U
Authority: CN
Inventors: 李琪; 杜玉龙; 李虹宜
Original assignee: Sichuan Yiguo Construction Project Management Co ltd
Current assignee: Sichuan Yiguo Construction Project Management Co ltd
Priority date: 2024-11-25
Filing date: 2024-11-25
Publication date: 2025-10-31
Anticipated expiration: 2034-11-25

Abstract

The utility model relates to the technical field of safety protection equipment, in particular to a safety anti-falling device for water conservancy dam construction, which comprises a bottom plate, wherein four sides of fences are fixedly connected to the top of the bottom plate, a fence door is hinged to the middle part of the rear side of each four side of fences, a guardrail lifting mechanism is arranged on the bottom plate, a tight-supporting limiting mechanism is arranged on the rear side of the bottom plate, and comprises a fixed seat fixed on the rear side of the bottom plate.

Description

Safety anti-falling device for water conservancy dam construction

Technical Field

The utility model belongs to the technical field of safety protection equipment, and particularly relates to a safety anti-falling device for construction of a water conservancy dam.

Background

In the construction of hydraulic dams, overhead operations are an unavoidable part, particularly in specific procedures, such as the installation and removal of templates, the bundling of reinforcing bars, the waterproofing of the surface of the dam and the installation of electromechanical devices, and particularly in the waterproofing of the surface of the dam, the construction is usually carried out by means of a lifting basket suspended at the top of the dam by means of a lifting machine, in which the worker is at risk of falling.

In the prior art, the height of guardrail around the hanging flower basket that the construction was used is fixed, is difficult to adjust according to different constructors 'heights, when constructors' height was higher, falls the risk increase, and when carrying out the waterproof construction of dam surface, is in open air around the dam, and during the aerial work, the wind-force influence that the hanging flower basket received is great, causes the condition of hanging flower basket swing along with wind easily, has increased the risk that the workman falls.

Disclosure of utility model

The utility model aims to solve the problems and provide the safe anti-falling device for the construction of the water conservancy dam, which is simple in structure and reasonable in design.

The utility model realizes the above purpose through the following technical scheme:

The utility model provides a water conservancy dam construction is with safe anti-drop device, includes the bottom plate, bottom plate top fixedly connected with four sides rail, and four sides rail rear side middle part articulates there is the rail door, is provided with guardrail elevating system on the bottom plate, and bottom plate bottom rear side is provided with to tightly stop gear.

The propping limiting mechanism comprises a fixed seat fixed on the rear side of the bottom plate, a hydraulic cylinder is fixedly connected to the bottom of the fixed seat, a connecting plate is fixedly connected to the output end of the hydraulic cylinder, fixing rods are fixedly installed at the left end and the right end of the rear side of the connecting plate, and friction propping blocks are fixedly connected to the rear side of the fixing rods.

Preferably, two arc-shaped fixing frames are symmetrically and fixedly connected to the left side and the right side of the top of the four-sided fence, lifting frames for lifting are fixedly installed at the centers of the tops of the two arc-shaped fixing frames, and two lifting holes are formed in the middle of each lifting frame.

Preferably, four cushion blocks are symmetrically and fixedly connected to four corners of the bottom plate.

Preferably, the guardrail lifting mechanism comprises a driving assembly and a lifting protection assembly, wherein the driving assembly comprises a mounting seat fixedly connected to the front side of the bottom plate bottom, a servo motor is fixedly connected to the bottom of the mounting seat, and a drive bevel gear is fixedly connected to the output end of the servo motor.

Preferably, the lifting protection assembly comprises two fixing blocks which are symmetrically and fixedly connected on the rear side of the bottom plate, guide rods are fixedly connected to the centers of the tops of the two fixing blocks, L-shaped guide plates are sleeved on the two guide rods in a sliding mode, three-face guardrails which are used for carrying out installation protection on constructors are fixedly connected between the two L-shaped guide plates, a bottom frame is fixedly connected to the bottom of each three-face guardrail, lifting blocks are fixedly connected to the centers of the front sides of the bottom frames, a screw rod penetrates through the centers of the lifting blocks in a rotating mode, the screw rod is connected with the lifting blocks through ball nuts in a threaded mode, and driven bevel gears meshed with the driving bevel gears are fixedly sleeved at the bottom ends of the screw rod.

Preferably, the lower part of the screw rod is rotatably sleeved with a fixing plate, the rear side of the fixing plate is fixedly connected with the center of the front side of the bottom plate, and the top end of the screw rod is fixedly connected with a stop block.

The utility model has the beneficial effects that:

According to the utility model, through the arrangement of the guardrail lifting mechanism, the lifting of the three-sided guardrail is realized, the height adjustment of the guardrail is convenient according to the height of constructors, the safety anti-falling capability of equipment is improved, the use safety of the equipment is improved, and through the arrangement of the abutting limiting mechanism, when the equipment descends to a designated working position, the hydraulic cylinder is started, the output end of the hydraulic cylinder extends out, so that the abutting limiting of the friction abutting block and the outer vertical surface of the dam is realized, the stability of the equipment is improved, and the falling probability of workers is further reduced.

Drawings

FIG. 1 is a perspective top view of the overall structure of the present utility model;

FIG. 2 is a perspective bottom view of the overall structure of the present utility model;

FIG. 3 is a schematic back view of the present utility model;

FIG. 4 is a perspective view of the guardrail lift mechanism of the present utility model;

fig. 5 is a perspective view of the abutment limiting mechanism of the present utility model.

The lifting device comprises a bottom plate, a2, a cushion block, a 3, a guardrail lifting mechanism, a 31, a driving assembly, a 311, a mounting seat, a 312, a servo motor, a 313, a driving bevel gear, a 314, a driven bevel gear, a 315, a stop block, a 316, a screw rod, a 317, a lifting block, a 318, a fixing plate, a 32, a lifting protection assembly, a 321, a guide rod, a 322, an L-shaped guide plate, a 323, a three-sided guardrail, a 324, a bottom frame, a 325, a fixing block, a 4, an arc-shaped fixing frame, a 5, a lifting hole, a 6, a lifting frame, a 7, a four-sided fence, an 8, a fence door, a 9, a tight-supporting limiting mechanism, a 91, a friction tight-supporting block, a 92, a fixing rod, a 93, a connecting plate, a 94, a hydraulic cylinder and a 95.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the application only and is not to be construed as limiting the scope of the application, as various insubstantial modifications and adaptations of the application to those skilled in the art can be made in light of the foregoing disclosure.

Examples

Referring to fig. 1 and 2, a safety anti-falling device for construction of a water conservancy dam comprises a bottom plate 1, four-side fences 7 are fixedly connected to the top of the bottom plate 1, fence doors 8 are hinged to the middle parts of the rear sides of the four-side fences 7, a guardrail lifting mechanism 3 is arranged on the bottom plate 1, and a tight-supporting limiting mechanism 9 is arranged on the rear side of the bottom plate 1.

Referring to fig. 1, two arc-shaped fixing frames 4 are symmetrically and fixedly connected to the left and right sides of the top of a four-sided fence 7, a hoisting frame 6 for hoisting is fixedly mounted at the center of the top of each arc-shaped fixing frame 4, two hoisting holes 5 are formed in the middle of the hoisting frame 6, and four cushion blocks 2 are symmetrically and fixedly connected to the four corners of the bottom of a bottom plate 1.

Referring to fig. 2, the guardrail lifting mechanism 3 includes a driving assembly 31 and a lifting protection assembly 32, wherein the driving assembly 31 includes a mounting seat 311 fixedly connected to the front side of the bottom plate 1, a servo motor 312 is fixedly connected to the bottom of the mounting seat 311, and a drive bevel gear 313 is fixedly connected to the output end of the servo motor 312.

Referring to fig. 2, 3 and 4, the lifting protection assembly 32 includes two fixing blocks 325 symmetrically and fixedly connected to the rear side of the base plate 1, the centers of the tops of the two fixing blocks 325 are fixedly connected with guide rods 321, the two guide rods 321 are slidably sleeved with L-shaped guide plates 322, three-surface guardrails 323 for installing and protecting constructors are fixedly connected between the two L-shaped guide plates 322, the bottom of the three-surface guardrails 323 is fixedly connected with a bottom frame 324, the center of the front side of the bottom frame 324 is fixedly connected with a lifting block 317, a screw rod 316 penetrates through the center of the lifting block 317 in a rotating manner, the screw rod 316 is connected with the lifting block 317 through a ball nut in a threaded manner, a driven bevel gear 314 meshed with the driving bevel gear 313 is fixedly sleeved at the bottom end of the screw rod 316, a fixing plate 318 is rotatably sleeved at the middle lower portion of the screw rod 316, the rear side of the fixing plate 318 is fixedly connected with the center of the front side of the base plate 1, a stop 315 is fixedly connected with the top of the screw rod 315, and the stop 315 is used for preventing the lifting block 317 from being separated from the screw rod 316.

Referring to fig. 2, 3 and 5, the abutting limiting mechanism 9 includes a fixing seat 95 fixed at the rear side of the bottom plate 1, a hydraulic cylinder 94 is fixedly connected at the bottom of the fixing seat 95, an output end of the hydraulic cylinder 94 is fixedly connected with a connecting plate 93, fixing rods 92 are fixedly mounted at left and right ends of the rear side of the connecting plate 93, and friction abutting blocks 91 are fixedly connected at the rear side of the fixing rods 92.

It should be noted that, this safety anti-drop device for hydraulic dam construction, when in use, firstly, pass the lifting hole 5 on the lifting frame 6 with the lifting machine's lifting rope on dam top, utilize the lifting machine to hoist equipment to the outer facade top of dam, start servo motor 312 in guardrail elevating system 3 this moment, servo motor 312 output drives the rotation of initiative bevel gear 313, immediately synchronous drive driven bevel gear 314 and lead screw 316 on it rotatory, then synchronous drive elevating block 317 and the bottom frame 324 upward movement on it, thereby drive trilateral guardrail 323 upward movement, reverse servo motor 312 then realizes the downward movement of trilateral guardrail 323, be convenient for adjust trilateral guardrail 323's height according to constructor's height, the fall-proof ability of equipment has been promoted, guide bar 321 and L shape deflector 322 are used for carrying out spacing direction to trilateral guardrail 323's upward and downward movement direction, constructor enters into four sides fence 7 this moment inside through door 8, close back of door 8, top lifting machine is with rail 7 and bottom plate 1 place the outer working position of dam facade this moment, start hydraulic cylinder 94, the output of hydraulic cylinder 94 stretches out, drive connecting plate 92 and its tight fixed bar 92 and the tight support of the outer wall of the high-side guardrail 93, the high-lift device is tight when the high friction resistance of the outer facade is guaranteed to the synchronous motion of the equipment, and the high stability of the outer face is guaranteed.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. The utility model provides a water conservancy dam construction is with safe anti-drop device, includes bottom plate (1), bottom plate (1) top fixedly connected with four sides rail (7), and four sides rail (7) rear side middle part articulates there is rail door (8), is provided with guardrail elevating system (3) on bottom plate (1), and bottom plate (1) bottom rear side is provided with supports tight stop gear (9);

The supporting and tightening limiting mechanism (9) comprises a fixing seat (95) fixed on the rear side of the bottom plate (1), a hydraulic cylinder (94) is fixedly connected to the bottom of the fixing seat (95), a connecting plate (93) is fixedly connected to the output end of the hydraulic cylinder (94), fixing rods (92) are fixedly installed at the left end and the right end of the rear side of the connecting plate (93), and friction supporting and tightening blocks (91) are fixedly connected to the rear side of the fixing rods (92).

2. The safe anti-falling device for water conservancy dam construction according to claim 1, wherein two arc-shaped fixing frames (4) are symmetrically and fixedly connected to the left side and the right side of the top of the four-sided fence (7), lifting frames (6) for lifting are fixedly installed at the centers of the tops of the two arc-shaped fixing frames (4), and two lifting holes (5) are formed in the middle of each lifting frame (6).

3. The safe anti-falling device for water conservancy dam construction according to claim 1, wherein four cushion blocks (2) are symmetrically and fixedly connected to four corners of the bottom plate (1).

4. The safe anti-falling device for water conservancy dam construction according to claim 1, wherein the guardrail lifting mechanism (3) comprises a driving assembly (31) and a lifting protection assembly (32), the driving assembly (31) comprises a mounting seat (311) fixedly connected to the front side of the bottom plate (1), a servo motor (312) is fixedly connected to the bottom of the mounting seat (311), and a driving bevel gear (313) is fixedly connected to the output end of the servo motor (312).

5. The safe anti-falling device for water conservancy dam construction according to claim 4, wherein the lifting protection assembly (32) comprises two fixing blocks (325) which are symmetrically and fixedly connected on the rear side of the bottom plate (1), guide rods (321) are fixedly connected to the centers of the tops of the two fixing blocks (325), L-shaped guide plates (322) are fixedly connected to the two guide rods (321) in a sliding mode, three-face guardrails (323) for installing and protecting constructors are fixedly connected between the two L-shaped guide plates (322), a bottom frame (324) is fixedly connected to the bottom of each three-face guardrail (323), lifting blocks (317) are fixedly connected to the centers of the front sides of the bottom frame (324), screw rods (316) are fixedly connected to the centers of the lifting blocks (317) in a rotating mode, and driven bevel gears (314) meshed with the driving bevel gears (313) are fixedly connected to the bottoms of the screw rods (316) through ball nuts in a threaded mode.

6. The safety anti-falling device for water conservancy dam construction according to claim 5, wherein the middle lower portion of the screw rod (316) is rotatably sleeved with a fixing plate (318), the rear side of the fixing plate (318) is fixedly connected with the center of the front side of the bottom plate (1), and the top end of the screw rod (316) is fixedly connected with a stop block (315).