Safety protection net
By introducing a combined structure of fixing frame, guide frame, one-way locking rod and buffering spring into the protective net, the problem of traditional protective nets being prone to breaking and elastic rebound when intercepting falling objects is achieved, and higher safety performance is achieved and stability.
Patent Information
- Application Number
- CN202421565606.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-01-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Traditional protective nets are prone to rupture when intercepting falling objects, and the protective net with buffering effect has low safety performance due to elastic rebound.
A safety protection net is designed, through a combined structure of a fixing frame, guide frame, one-way lock rod, lift frame and buffering spring, the buffering spring is used to stretch under the impact force to buffer falling objects, and through one-way The locking structure prevents rebound and ensures the stability of the protective net.
It effectively prevents the protective net from rupturing under impact, and prevents the falling objects from falling again due to rebound, improves safety performance, and the structure is easy to reset and use for multiple times.
Smart Images
Figure CN222314666U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of engineering protection, in particular to a safety protection net. Background Art
[0002] During the construction of bridges, slopes or building projects, in order to prevent falling rocks and objects from above from causing injuries to workers, vehicles and materials below, it is necessary to install protective nets during the construction process to intercept objects falling from high altitudes.
[0003] When traditional protective nets are used to intercept falling objects, if an object falls on the protective net, it is easy for the protective net to be broken by a certain impact force because the protective net has no buffering properties, and the safety performance is low. Some protective nets with buffering effects have a certain elasticity in the protective net or the mounting bracket. When such protective nets are used, if an object falls on the protective net, it is easy for the object to rebound due to the elasticity of the net itself or the bracket, and it is easy to bounce out of the protective net and fall, and the safety performance is low. Utility Model Content
[0004] The disclosed embodiments relate to a safety protection net to solve the problem that when a traditional protection net is used to intercept a falling object, when an object falls on the protection net, the protection net is easily broken by a certain impact force due to the lack of cushioning properties, resulting in low safety performance. In some protection nets with a cushioning effect, the protection net or the mounting bracket has a certain elasticity. When such a protection net is used, if an object falls on the protection net, it is easy to rebound due to the elasticity of the net itself or the bracket, and it is easy to bounce out of the protection net and fall, resulting in low safety performance.
[0005] In a first aspect of the present disclosure, a safety net is provided, specifically comprising: a fixed frame, a guide frame is connected to the front of the fixed frame by welding, a one-way locking rod is movably connected to the upper end of the front surface of the guide frame, a lifting frame is slidably connected to the inside of the guide frame, a net connecting frame is connected to the front of the lifting frame by welding, and the net connecting frame is fixedly connected to the edge of the safety net.
[0006] In at least some embodiments, an upper end of the fixing frame is fixedly connected with an upward folding end, and the upward folding end is perpendicular to the front surface of the fixing frame.
[0007] In at least some embodiments, a locking end plate is fixedly connected to the upper end of the front surface of the guide frame, and a locking socket is provided through the middle of the locking end plate from front to back, and the locking socket is a rectangular through slot.
[0008] In at least some embodiments, the one-way locking rod is slidably connected inside the locking socket, the outer end of the one-way locking rod is fixedly connected to an external pull plate, the one-way locking rod is perpendicular to the external pull plate, the rear surface of the external pull plate is fixedly connected to two reset springs, and the rear end of the reset spring is fixedly connected to the front surface of the locking end plate.
[0009] At least some of the one-way locking rods have rear ends machined with toothed plugs, with the tooth cone ends of the toothed plugs facing rearward and downward.
[0010] The front surfaces of at least some of the lifting frames are fixedly connected with one-way locking teeth, and the tooth cone ends of the one-way locking teeth face forward and upward.
[0011] At least some of the lifting frames are welded with tension spring connecting plates at their upper ends, the upper ends of the tension spring connecting plates are fixedly connected with buffer tension springs, and the upper ends of the buffer tension springs are fixedly connected to the lower surface of the upper folding end.
[0012] At least some of the guard net frames have ribs fixedly connected between the rear end of the lower surface and the front surface of the lifting frame, the front end of the guard net frame is bent upward, and a guard net edge mounting groove is provided on each of the two side surfaces of the guard net frame, and the edge of the protective net is fixed inside the guard net edge mounting groove by bolts.
[0013] The utility model provides a safety protection net, which has the following beneficial effects:
[0014] In the safety protection net of the utility model, the protection net is movably installed on the fixed frame through the protection net connecting frame and the lifting frame, and a buffer tension spring is arranged between the lifting frame and the fixed frame. The buffer tension spring is in a contracted state under normal conditions. When a heavy object falls on the protection net, under the action of the impact force, the protection net will pull the protection net connecting frame and the lifting frame downward, so that the lifting frame moves downward, stretching the buffer tension spring, so that the lifting frame, the protection net connecting frame and the protection net move downward as a whole, which plays a buffering role and can prevent the heavy object from directly impacting the protection net and causing damage to it.
[0015] In addition, the anti-rebound structure of the protective net can be locked after the lifting frame, the protective net connecting frame, and the protective net move downward due to impact force, to prevent the rebound of the fallen objects from bouncing out of the protective net and falling outward. It is easy to reset, and the lifting frame, the protective net connecting frame, and the protective net can be raised and reset by manually pulling the outer pull plate, which is convenient for multiple use. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.
[0017] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.
[0018] In the attached picture:
[0019] Figure 1 A schematic diagram showing the overall structure of the present application;
[0020] Figure 2 The structural diagram at the bottom of this application is shown;
[0021] Figure 3 The schematic diagram of the structure of the safety protection net support in the normal state of the present application is shown;
[0022] Figure 4 A schematic diagram of the structure of the safety net support of the present application when it is unfolded is shown;
[0023] Figure 5 A schematic diagram of the structure of the one-way lock tooth of the present application is shown;
[0024] Figure 6 A schematic diagram of the structure of the one-way locking rod of the present application is shown;
[0025] Figure 7 This application shows Figure 1 A schematic diagram of the partially enlarged structure at point A in the middle;
[0026] Figure 8 This application shows Figure 5 A schematic diagram of the partially enlarged structure at B in the middle;
[0027] Fig. 9 This application shows Figure 5 Schematic diagram of the partially enlarged structure at point C in the middle.
[0028] Reference numerals list
[0029] 1. Fixed frame; 101. Upward folding end; 2. Guide frame; 201. Locking end plate; 202. Locking socket; 3. One-way locking rod; 301. Outer pull plate; 302. Reset tension spring; 303. Toothed plug block; 4. Lifting frame; 401. One-way locking teeth; 402. Tension spring connecting plate; 403. Buffer tension spring; 5. Protective net connecting frame; 501. Protective net edge mounting groove; 6. Protective net. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] Example 1: Please refer to Figures 1 to 9 :
[0032] The utility model proposes a safety protection net, comprising: a fixed frame 1, a guide frame 2 is connected to the front of the fixed frame 1 by welding, a one-way locking rod 3 is movably connected to the upper end of the front surface of the guide frame 2, a lifting frame 4 is slidably connected to the inside of the guide frame 2, a protective net connecting frame 5 is connected to the front of the lifting frame 4 by welding, the protective net connecting frame 5 is fixedly connected to the edge of the protective net 6, an upper folding end head 101 is fixedly connected to the upper end of the fixed frame 1, the upper folding end head 101 is perpendicular to the front surface of the fixed frame 1, a locking end plate 201 is fixedly connected to the upper end of the front surface of the guide frame 2, a locking socket 202 is opened through the middle of the locking end plate 201, and the locking socket 202 is a rectangular through groove, and the lifting frame 4 is guided by the guide frame 2 so that the lifting frame 4 can move vertically up and down.
[0033] In the disclosed embodiment, a tension spring connecting plate 402 is welded to the upper end of the lifting frame 4, and a buffer tension spring 403 is fixedly connected to the upper end of the tension spring connecting plate 402. The upper end of the buffer tension spring 403 is fixedly connected to the lower surface of the folded end 101. A rib is fixedly connected between the rear end of the lower surface of the protective net connecting frame 5 and the front surface of the lifting frame 4. The front end of the protective net connecting frame 5 is bent upward, and a protective net edge mounting groove 501 is respectively opened on both sides of the protective net connecting frame 5. The edge of the protective net 6 is fixed to the inside of the protective net edge mounting groove 501 by bolts; the protective net 6 The protective net connecting frame 5 and the lifting frame 4 are movably installed on the fixed frame 1, and a buffer tension spring 403 is arranged between the lifting frame 4 and the fixed frame 1. The buffer tension spring 403 is in a contracted state under normal conditions. When a heavy object falls on the protective net 6, under the action of the impact force, the protective net 6 is pulled downward by the protective net connecting frame 5 and the lifting frame 4, so that the lifting frame 4 moves downward, and the buffer tension spring 403 is stretched, so that the lifting frame 4, the protective net connecting frame 5, and the protective net 6 move downward as a whole, which plays a buffering role and can prevent the heavy object from directly impacting the protective net 6 and causing damage to it.
[0034] The second embodiment is based on the first embodiment, and the one-way locking rod 3 is slidably connected to the inside of the locking socket 202. The outer end of the one-way locking rod 3 is fixedly connected to the outer pull plate 301. The one-way locking rod 3 is perpendicular to the outer pull plate 301. The rear surface of the outer pull plate 301 is fixedly connected to two reset springs 302. The rear end of the reset spring 302 is fixedly connected to the front surface of the locking end plate 201. The rear end of the one-way locking rod 3 of the present invention is processed with a toothed plug block 303, and the tooth cone end of the toothed plug block 303 faces rearward and downward. The front surface of the lifting frame 4 is fixedly connected with a one-way locking tooth 401, and the tooth cone end of the one-way locking tooth 401 faces frontward and upward. Under normal circumstances, the one-way locking rod 3 is pushed backward under the pulling force of the reset spring 302. The toothed plug 303 is tightly inserted into the one-way locking tooth 401. Through the cooperation between the toothed plug 303 and the one-way locking tooth 401 of the secondary structure, when the lifting frame 4 is subjected to a downward thrust, the two inclined surfaces of the toothed plug 303 and the one-way locking tooth 401 push each other, so that the one-way locking rod 3 moves forward, and the lifting frame 4 can move downward. When the lifting frame 4, the protective net connecting frame 5, and the protective net 6 rebound after moving downward due to the impact force, the toothed plug 303 is inserted into the one-way locking tooth 401 again under the action of the reset tension spring 302, and the one-way locking tooth 401 is locked, so that the lifting frame 4, the protective net connecting frame 5 and the protective net 6 cannot rebound upward, thereby realizing a one-way locking effect and preventing the object from being thrown out again due to rebound.
[0035] The working principle of this embodiment is as follows: first, the fixing frame 1 is installed on the outer wall of the construction building, the slope surface or the side of the bridge through bolts, screws and other connecting parts. Under normal conditions, the buffer tension spring 403 contracts. When a heavy object falls on the protective net 6, under the action of the impact force, the protective net 6 is pulled downward by the protective net connecting frame 5 and the lifting frame 4, so that the lifting frame 4 moves downward, and the buffer tension spring 403 is stretched, so that the lifting frame 4, the protective net connecting frame 5, and the protective net 6 move downward as a whole, which plays a buffering role. When the buffer tension spring 4 03 is stretched and generates rebound force, the lifting frame 4 is pulled upward. At this time, the one-way locking rod 3 is pushed backward under the tension of the reset tension spring 302, so that the toothed plug block 303 fits tightly in the one-way locking tooth 401, and the longitudinal height of the lifting frame 4 is locked to prevent the lifting frame 4, the protective net connecting frame 5 and the protective net 6 from rebounding and rising, causing the object to be thrown out again. When the protective net is reset, the lifting frame 4, the protective net connecting frame 5 and the protective net 6 can be raised and reset by manually pulling the outer pull plate 301.
[0036] In this article, there are a few points to note:
[0037] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.
[0038] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.
[0039] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.
Claims
1. A safety protection net, characterized in that: include: A fixed frame (1), the front of the fixed frame (1) is connected to a guide frame (2) by welding, the upper end of the front surface of the guide frame (2) is movably connected to a one-way locking rod (3), the interior of the guide frame (2) is slidably connected to a lifting frame (4), the front of the lifting frame (4) is connected to a protective net connecting frame (5) by welding, and the protective net connecting frame (5) is fixedly connected to the edge of the protective net (6).
2. A safety protection net according to claim 1, characterized in that: An upper folding end (101) is fixedly connected to the upper end of the fixing frame (1), and the upper folding end (101) is perpendicular to the front surface of the fixing frame (1).
3. A safety protection net according to claim 1, characterized in that: A locking end plate (201) is fixedly connected to the upper end of the front surface of the guide frame (2), and a locking socket (202) is provided through the middle of the locking end plate (201) from front to back, and the locking socket (202) is a rectangular through slot.
4. A safety net according to claim 3, characterized in that: The one-way locking rod (3) is slidably connected inside the locking socket (202); the outer end of the one-way locking rod (3) is fixedly connected to an outer pull plate (301); the one-way locking rod (3) is perpendicular to the outer pull plate (301); the rear surface of the outer pull plate (301) is fixedly connected to two return springs (302); the rear end of the return spring (302) is fixedly connected to the front surface of the locking end plate (201).
5. A safety protection net according to claim 1, characterized in that: A toothed insert block (303) is machined at the rear end of the one-way locking rod (3), and the tooth cone end of the toothed insert block (303) faces rearward and downward.
6. A safety protection net according to claim 1, characterized in that: A one-way locking tooth (401) is fixedly connected to the front surface of the lifting frame (4), and the tooth cone end of the one-way locking tooth (401) faces forward and upward.
7. A safety protection net according to claim 2, characterized in that: A tension spring connecting plate (402) is welded to the upper end of the lifting frame (4), a buffer tension spring (403) is fixedly connected to the upper end of the tension spring connecting plate (402), and the upper end of the buffer tension spring (403) is fixedly connected to the lower surface of the upper folding end (101).
8. A safety protection net according to claim 1, characterized in that: A rib is fixedly connected between the rear end of the lower surface of the protective net connecting frame (5) and the front surface of the lifting frame (4); the front end of the protective net connecting frame (5) is bent upward; and a protective net edge mounting groove (501) is respectively provided on both side surfaces of the protective net connecting frame (5); and the edge of the protective net (6) is fixed inside the protective net edge mounting groove (501) by bolts.