Safety anti-falling structure for construction engineering
By designing a safe and anti-fall structure including the main rope, the anti-fall sleeve, the stop sliding sleeve and the anti-fall secondary rope, the falling problem caused by the break of the hanging rope in the high-altitude lifting is solved, and effective prevention of the lifting materials is achieved The fall is locked to ensure safety.
Patent Information
- Application Number
- CN202420466543.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-01-03
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During high-altitude lifting, breaking the lifting rope may cause the lifting material to fall, causing damage to objects and personnel injuries, and even life safety accidents. The existing technology lacks effective fall prevention devices.
A safety and anti-fall structure including the main rope, anti-fall sleeve, stop sliding sleeve and anti-fall secondary rope is designed. A stop sliding sleeve is installed in the anti-fall sleeve, and there is a loose anti-fall protection on both sides of the stop sliding sleeve. The stop sliding sleeve is slidable, and the inner wall of the inner retracted sleeve has a lower helical toothed opening. The end of the anti-falling secondary rope is connected to the lifting material. When the main hanging rope is broken, the anti-falling secondary rope is tightened, and the stop sliding sleeve is Pull down and the lower helical mouth of the inner retracted sleeve bite the side wall of the main rope to achieve anti-fall locking.
Effectively prevent lifting materials from falling due to breakage of the suspended rope, ensure the safety of construction personnel and materials, and avoid injuries and accidents.
Smart Images
Figure CN222293436U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of building accessories, in particular to a safety anti-falling structure for construction engineering. Background Art
[0002] During the high-altitude hoisting process, various unpredictable factors, such as equipment failure, operational errors, wind influence, etc., may cause the hoisting rope to break and the hoisted materials to fall. If there is no proper fall prevention device, this fall may not only damage the hoisted objects, but also cause serious injuries to the construction workers below and surrounding personnel, and may even cause life-threatening accidents. Utility Model Content
[0003] The purpose of the utility model is to solve any one of the problems in the above-mentioned technologies, thereby proposing a safety anti-falling structure for construction engineering.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a safety anti-fall structure for construction projects, including a hoisting material that needs to be hoisted to other areas and a main hoisting rope fixedly connected thereto, an anti-fall sleeve is provided on the main hoisting rope, a stopping sleeve is provided in the anti-fall sleeve, loose anti-fall secondary ropes are provided on both sides of the stopping sleeve, the ends of the anti-fall secondary ropes are connected to the hoisting material, the stopping sleeve can slide up and down in the anti-fall sleeve, an inner retracting sleeve is provided at the center of the anti-fall sleeve and is sleeved on the main hoisting rope, the inner wall of the inner retracting sleeve is provided with downward oblique teeth, and the outer conical surface of the inner retracting sleeve has the same inclination as the inner conical surface of the stopping sleeve.
[0005] Furthermore, the anti-fall sleeve is a hollow cylinder, a top shaft hole is arranged at the top center of the anti-fall sleeve, the retracted sleeve is rotatably inserted into the top shaft hole, rectangular side sliding grooves penetrating into the internal cavity are arranged on both sides of the anti-fall sleeve, a spring groove in the shape of a circular notch is arranged at the bottom of the inner wall of the anti-fall sleeve, the stop sleeve is slidably arranged in the internal cavity of the anti-fall sleeve, the spring is arranged in the spring groove, and the top of the spring is against the bottom surface of the stop sleeve.
[0006] Furthermore, the main body of the stop sleeve is in the shape of a circular tube, and auxiliary rope clamps with through-round holes on the top are arranged on both sides of the outer wall of the stop sleeve. The top of the anti-fall auxiliary rope is rotatably embedded in the auxiliary rope clamp, and the auxiliary rope clamp of the stop sleeve slides up and down in the side sliding groove of the anti-fall sleeve. The inner wall of the stop sleeve is provided with an inner conical surface that expands downward, and the stop sleeve is slidably arranged on the outer wall of the retractable sleeve.
[0007] Furthermore, the top of the retractable sleeve is a circular T-stage, the middle section of the retractable sleeve is an outer cone that expands downward, the bottom of the retractable sleeve is a round rod, a rope threading hole is provided at the center of the retractable sleeve, the rope threading hole of the retractable sleeve is arranged on the main suspension rope, a cross-groove-shaped shrinkage seam is provided on the bottom side wall of the retractable sleeve, and a plurality of rows of downwardly inclined teeth inclined at 30° are provided on the bottom of the inner wall of the retractable sleeve.
[0008] The beneficial effect of the utility model is that when the main hoisting rope fixed to the hoisting material breaks at the connection due to wind shaking, the loose anti-falling auxiliary ropes on both sides of the stopping sleeve are tightened, the stopping sleeve is pulled down, the inner conical surface of the stopping sleeve is abutted against the outer conical surface of the shrinking sleeve, the shrinkage seam of the shrinking sleeve is compressed, and the lower oblique teeth of the shrinking sleeve bite inwardly to the side wall of the main hoisting rope to lock it, thereby preventing the hoisting material with the broken main hoisting rope from falling. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0010] Figure 2 It is a cross-sectional view of the utility model as a whole;
[0011] Figure 3 It is a cross-sectional view of the anti-fall sleeve of the utility model;
[0012] Figure 4 It is a cross-sectional view of the stop sliding sleeve of the utility model;
[0013] Figure 5 It is a structural schematic diagram of the inner shrink sleeve of the utility model;
[0014] Figure 6 It is a cross-sectional view of the inner shrink sleeve of the utility model.
[0015] exist Figures 1 to 6 The corresponding relationship between the component names or lines and the figure numbers is: anti-fall sleeve 1, top shaft hole 11, side slide groove 12, spring groove 13, stop slide sleeve 2, inner cone 21, auxiliary rope clamp 22, inner shrink sleeve 3, outer cone 31, shrinkage seam 32, lower oblique tooth mouth 33, main lifting rope 4, anti-fall auxiliary rope 5, lifting material 6, spring 7. DETAILED DESCRIPTION
[0016] Please refer to Figures 1 to 6 ;
[0017] The present embodiment provides a safety anti-fall structure for construction projects, including a hoisting material 6 that needs to be hoisted to other areas and a main hoisting rope 4 fixedly connected thereto, an anti-fall sleeve 1 is sleeved on the main hoisting rope 4, a stopping sleeve 2 is arranged inside the anti-fall sleeve 1, loose anti-fall secondary ropes 5 are arranged on both sides of the stopping sleeve 2, the ends of the anti-fall secondary ropes 5 are connected to the hoisting material 6, the stopping sleeve 2 can slide up and down in the anti-fall sleeve 1, and an inner retractable sleeve 3 sleeved on the main hoisting rope 4 is arranged at the center of the anti-fall sleeve 1, and a lower oblique tooth mouth 33 is arranged on the inner wall of the inner retractable sleeve 3, and the outer conical surface 31 of the inner conical surface 21 of the stopping sleeve 2 has the same inclination.
[0018] Preferably, the anti-fall sleeve 1 is a hollow cylinder, a top shaft hole 11 is provided at the top center of the anti-fall sleeve 1, the retractable sleeve 3 is rotatably inserted into the top shaft hole 11, rectangular side sliding grooves 12 are provided on both sides of the anti-fall sleeve 1 and penetrate into the internal cavity, a spring groove 13 in the shape of a circular notch is provided at the bottom of the inner wall of the anti-fall sleeve 1, the stop sleeve 2 is slidably provided in the internal cavity of the anti-fall sleeve 1, the spring 7 is provided in the spring groove 13, and the top of the spring 7 is against the bottom surface of the stop sleeve 2.
[0019] In a specific embodiment, the anti-fall sleeve 1, the stopping sleeve 2, the retracting sleeve 3 and the main lifting rope 4 are made of carbon steel, and their surfaces are electroplated with hard chrome for rust prevention. The top of the spring 7 is against the bottom of the stopping sleeve 2. When the anti-fall secondary ropes 5 on both sides of the stopping sleeve 2 are not under force and are relaxed, the spring 7 is in a released state, and the stopping sleeve 2 is lifted to the top of the anti-fall sleeve 1, and the inner conical surface 21 of the stopping sleeve 2 is separated from the outer conical surface 31 of the retracting sleeve 3.
[0020] Preferably, the main body of the stopping sleeve 2 is in the shape of a circular tube, and auxiliary rope clamps 22 with through circular holes on the top are arranged on both sides of the outer wall of the stopping sleeve 2. The top of the anti-fall auxiliary rope 5 is rotatably embedded in the auxiliary rope clamp 22, and the auxiliary rope clamp 22 of the stopping sleeve 2 slides up and down and passes through the side sliding groove 12 of the anti-fall sleeve 1. The inner wall of the stopping sleeve 2 is provided with an inner conical surface 21 that expands downward, and the stopping sleeve 2 is slidably sleeved on the outer wall of the retractable sleeve 3.
[0021] In a specific embodiment, when the anti-fall secondary ropes 5 on both sides of the stopping sleeve 2 are stretched straight, the spring 7 is compressed, the inner conical surface 21 of the stopping sleeve 2 abuts against the outer conical surface 31 of the retractable sleeve 3, the outer wall of the retractable sleeve 3 receives an inward extrusion force, the shrinkage seam 32 of the retractable sleeve 3 shrinks, and the rope threading hole of the retractable sleeve 3 abuts against the side wall of the main suspension rope 4.
[0022] Preferably, the top of the retractable sleeve 3 is a circular T-stage, the middle section of the retractable sleeve 3 is an outer cone 31 that expands downward, the bottom of the retractable sleeve 3 is a round rod, a rope threading hole is provided at the center of the retractable sleeve 3, the rope threading hole of the retractable sleeve 3 is arranged on the main suspension rope 4, the bottom side wall of the retractable sleeve 3 is provided with a cross-notch-shaped shrinkage seam 32, and the bottom of the inner wall of the retractable sleeve 3 is provided with multiple rows of downward oblique teeth 33 inclined downward at 30°.
[0023] When the utility model is used, when the hoisted material 6 is shaken by wind and the main hoisting rope 4 fixed thereto breaks at the connection, the loose anti-falling secondary ropes 5 on both sides of the stopping sleeve 2 are tightened by force, the stopping sleeve 2 is pulled down, the inner conical surface 21 of the stopping sleeve 2 is abutted against the outer conical surface 31 of the shrinking sleeve 3, the shrinkage seam 32 of the shrinking sleeve 3 is compressed, and the lower oblique teeth 33 of the shrinking sleeve 3 bite inwardly to the side wall of the main hoisting rope 4 to lock it.
[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A safety anti-falling structure for construction engineering, comprising a hoisting material (6) to be hoisted to another area and a main hoisting rope (4) fixedly connected thereto, wherein an anti-falling sleeve (1) is sleeved on the main hoisting rope (4), a stop sleeve (2) is arranged inside the anti-falling sleeve (1), and loose anti-falling auxiliary ropes (5) are arranged on both sides of the stop sleeve (2), and the ends of the anti-falling auxiliary ropes (5) are connected to the hoisting material (6), characterized in that: The stop sliding sleeve (2) can slide up and down in the anti-fall sleeve (1). An inner retractable sleeve (3) sleeved on the main suspension rope (4) is arranged at the center of the anti-fall sleeve (1). The inner wall of the inner retractable sleeve (3) is provided with a lower oblique tooth opening (33). The outer conical surface (31) of the inner retractable sleeve (3) has the same inclination as the inner conical surface (21) of the stop sliding sleeve (2).
2. The safety anti-falling structure for construction engineering according to claim 1, characterized in that: The anti-fall sleeve (1) is a hollow cylinder. A top shaft hole (11) is provided at the center of the top of the anti-fall sleeve (1). The retractable sleeve (3) is rotatably inserted into the top shaft hole (11). Rectangular side sliding grooves (12) penetrating into the internal cavity are provided on both sides of the anti-fall sleeve (1). A spring groove (13) in the shape of a circular notch is provided at the bottom of the inner wall of the anti-fall sleeve (1). The stop sleeve (2) is slidably provided in the internal cavity of the anti-fall sleeve (1). The spring (7) is provided in the spring groove (13). The top of the spring (7) abuts against the bottom surface of the stop sleeve (2).
3. The safety anti-falling structure for construction engineering according to claim 2, characterized in that: The main body of the stop sliding sleeve (2) is in the shape of a circular tube. Auxiliary rope clamping platforms (22) with through-holes at the top are arranged on both sides of the outer wall of the stop sliding sleeve (2). The top of the anti-falling auxiliary rope (5) is rotatably clamped in the auxiliary rope clamping platform (22). The auxiliary rope clamping platform (22) of the stop sliding sleeve (2) is slidably inserted into the side sliding groove (12) of the anti-falling sleeve (1) up and down. The inner wall of the stop sliding sleeve (2) is provided with an inner conical surface (21) that expands downward. The stop sliding sleeve (2) is slidably sleeved on the outer wall of the retractable sleeve (3).
4. The safety anti-falling structure for construction engineering according to claim 3, characterized in that: The top of the retractable sleeve (3) is a circular T-stage, the middle section of the retractable sleeve (3) is an outer conical surface (31) that expands downward, the bottom of the retractable sleeve (3) is a round rod, a through-rope threading hole is provided at the center of the retractable sleeve (3), the rope threading hole of the retractable sleeve (3) is sleeved on the main suspension rope (4), a cross-notch-shaped contraction seam (32) is provided on the bottom side wall of the retractable sleeve (3), and a plurality of rows of downwardly inclined teeth (33) inclined downward at 30 degrees are provided on the bottom of the inner wall of the retractable sleeve (3).