Protective net for constructional engineering

Abstract

The protective net comprises a box body, a rolling bearing is fixedly embedded in the inner side wall of the box body, a pressure bearing is fixedly embedded in the front face of the box body, the inner ring of the rolling bearing and the inner ring of the pressure bearing are jointly and fixedly connected with a connecting rod, a through opening is formed in the right side face of the box body, and a through hole is formed in the right side face of the box body. The inner wall of the through opening is in sliding connection with a protective net face. Through the design of a rolling bearing and a pressure bearing, a connecting rod can rotate conveniently when a protective net face is unwound, the connecting rod can roll the protective net face conveniently, later secondary utilization is facilitated, the problem of resource waste is solved, then through the design of a threaded rod and a threaded cylinder, when a push plate moves, the push plate can move conveniently, and the protective net face can be conveniently wound. And the positioning rod is driven to slide in the sliding barrel, the connecting rod is conveniently limited according to the cooperation of the positioning rod and the gear ring, the phenomenon that the connecting rod shakes when not used is avoided, and in combination with the cooperation, the mode is easy to operate and convenient to use.

Description

Technical Field

[0001] The utility model relates to the field of construction engineering, in particular to a construction engineering protective net. Background Art

[0002] Construction engineering refers to the production activities in the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roofing engineering construction and decoration engineering construction, etc. The place of construction is called construction site or construction site, also called construction site. The main hazards in construction projects are cement dust, electric welding manganese dust, paint and coatings and other toxic gases. With the reform of technology, some dust and toxic hazards have been eliminated. For example, after the implementation of concrete, cement pollution is being eliminated. Measures should be taken to control other dust and toxic substances. Construction units should provide workers with safety protection equipment and safety protection clothing, and inform them in writing of the operating procedures for dangerous positions and the hazards of illegal operations. Workers should abide by the mandatory standards, rules and regulations and operating procedures for safe construction.

[0003] At present, protective nets are usually used for protection during construction projects. The length of the protective nets is generally fixed and is cut to the required length according to usage requirements. However, this is not conducive to secondary utilization and results in a waste of resources. Utility Model Content

[0004] In order to solve the above problems, the purpose of the present utility model is to provide a construction engineering protective net.

[0005] The top of the gear train is fixedly provided with two guide wheels, and the guide wheels are connected with each other with a up-down knob.

[0006] The rear of the box body in the utility model is provided with a fixing plate, the front of the fixing plate is fixedly connected to the back of the box body, and two groups of through holes are opened on the front of the fixing plate. It is further configured to facilitate the installation of the device in the use position by utilizing the cooperation of the through holes, the fixing plate and the external bolts.

[0007] The utility model provides a first turning handle in front of the box body, the back of the first turning handle is fixedly connected to the front end of the connecting rod, and a second turning handle is provided above the box body, the bottom surface of the second turning handle is fixedly connected to the top end of the threaded rod, and is further configured as follows: the first turning handle is used to facilitate the rotation of the connecting rod, and the second turning handle is used to facilitate the rotation of the threaded rod.

[0008] Two connecting rings are provided on the right side of the box body in the present invention, and the outer surface of each connecting ring is fixedly connected to the right side of the protective net surface. It is further configured to facilitate the connection of the protective net surface by using the connecting rings and reduce the difficulty during work.

[0009] Each of the positioning rods in the present invention is adapted to the slide cylinder, and the inner ring of the bearing seat is fixedly connected to the bottom end of the threaded rod. It is further configured to utilize the cooperation between the positioning rod and the slide cylinder to facilitate the engagement of the positioning rod with the gear ring when it moves up and down, thereby achieving the purpose of limiting.

[0010] An operation mark is fixedly connected to the front of the box in the present invention. The operation mark is located above the pressure bearing and is further configured to facilitate staff to understand the operation process of the device by using the operation mark.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the above-mentioned construction engineering protective net, through the design of rolling bearings and pressure bearings, is convenient for the connecting rod to rotate when the protective net is unrolled, and is convenient for the connecting rod to reel in the protective net, which is conducive to later secondary utilization and solves the problem of resource waste. Subsequently, the design of the threaded rod and the threaded cylinder is utilized to facilitate the positioning rod to slide inside the slide cylinder when the push plate moves, and according to the cooperation of the positioning rod and the gear ring, it is convenient to limit the connecting rod to avoid the shaking of the connecting rod when not in use. Combined with the above cooperation, the method is simple to operate and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure of the side view of the box body of the utility model;

[0014] Figure 3 It is a cross-sectional view of the top view of the box body of the utility model;

[0015] Figure 4 It is a three-dimensional structural diagram of a top view of the box body of the present invention.

[0016] In the figure: 1. First handle; 2. Protective mesh; 3. Connecting ring; 4. Box body; 5. Threaded barrel; 6. Second handle; 7. Push plate; 8. Slide; 9. Operation mark; 10. Through hole; 11. Fixing plate; 12. Bearing seat; 13. Pressure bearing; 14. Positioning rod; 15. Threaded rod; 16. Rolling bearing; 17. Gear ring; 18. Connecting rod; 19. Through hole. DETAILED DESCRIPTION

[0017] The following is a further detailed description of the construction engineering protection net described in the utility model through specific embodiments.

[0018] like Figure 1-4 As shown, a construction engineering protection net includes a box body 4, the inner side wall of the box body 4 is fixedly inlaid with a rolling bearing 16, the front side of the box body 4 is fixedly inlaid with a pressure bearing 13, the inner ring of the rolling bearing 16 and the inner ring of the pressure bearing 13 are fixedly connected to a connecting rod 18, a through opening 19 is opened on the right side of the box body 4, the inner wall of the through opening 19 is slidably connected to a protective mesh surface 2, the left side of the protective mesh surface 2 is fixedly connected to the outer surface of the connecting rod 18, the outer surface of the connecting rod 18 is sleeved with two gear rings 17, the inner wall of each gear ring 17 is fixedly connected to the outer surface of the connecting rod 18, a push plate 7 is provided above the box body 4, the upper surface of the push plate 7 is fixedly inlaid with a threaded cylinder 5, the inner wall of the threaded cylinder 5 is threadedly connected to the threaded rod 15, a bearing seat 12 is provided above the box body 4, and the upper surface of the box body 4 The surface is fixedly inlaid with two slide cylinders 8, and the inner wall of each slide cylinder 8 is slidably connected with a positioning rod 14. The top of each positioning rod 14 is fixedly connected to the bottom surface of the push plate 7. Through the design of rolling bearings 16 and pressure bearings 13, it is convenient for the connecting rod 18 to rotate when the protective mesh surface 2 is unwound, and it is convenient for the connecting rod 18 to reel in the protective mesh surface 2, which is beneficial to the secondary utilization in the later stage and solves the problem of resource waste. Subsequently, the design of the threaded rod 15 and the threaded cylinder 5 is utilized to facilitate the positioning rod 14 to slide inside the slide cylinder 8 when the push plate 7 moves, and according to the cooperation of the positioning rod 14 and the gear ring 17, it is convenient to limit the connecting rod 18 to avoid the shaking of the connecting rod 18 when not in use. Combined with the above cooperation, the method is simple to operate and easy to use.

[0019] A fixing plate 11 is provided at the rear of the box body 4, and the front of the fixing plate 11 is fixedly connected to the back of the box body 4. Two groups of through holes 10 are opened on the front of the fixing plate 11. The cooperation of the through holes 10, the fixing plate 11 and the external bolts can facilitate the installation of the device in the use position. A first turning handle 1 is provided in the front of the box body 4, and the back of the first turning handle 1 is fixedly connected to the front end of the connecting rod 18. A second turning handle 6 is provided above the box body 4, and the bottom surface of the second turning handle 6 is fixedly connected to the top of the threaded rod 15. The first turning handle 1 is convenient for driving the connecting rod 18 to rotate, and the second turning handle 6 is convenient for driving the threaded rod 15 to rotate. Two connecting rings 3 are provided on the right side of the box body 4, and the outer surface of each connecting ring 3 is fixedly connected to the right side of the protective mesh surface 2. The connecting ring 3 is convenient for connecting the protective mesh surface 2 and can reduce the difficulty during work.

[0020] Each positioning rod 14 is adapted to the slide 8, and the inner ring of the bearing seat 12 is fixedly connected to the bottom end of the threaded rod 15. The cooperation between the positioning rod 14 and the slide 8 facilitates the engagement of the positioning rod 14 with the gear ring 17 when it moves up and down, thereby achieving the purpose of limiting. An operation mark 9 is fixedly connected to the front of the box body 4. The operation mark 9 is located above the pressure bearing 13. The operation mark 9 is used to facilitate the staff to understand the operating process of the device.

[0021] The working principle of the present utility model is: when in use, first pull the protective mesh 2 to move inside the opening 19, at this time the connecting rod 18 rotates inside the rolling bearing 16 and the pressure bearing 13, however, after the protective mesh 2 reaches a suitable length, turn the second handle 6 to drive the threaded rod 15 to rotate inside the bearing seat 12, and then through the design of the threaded rod 15 and the threaded barrel 5, when the threaded barrel 5 moves, it drives the push plate 7 to move, and according to the connection relationship between the push plate 7 and the positioning rod 14, the positioning rod 14 can be close to the ring gear 17 and contact with the ring gear 17 at the same time, and the ring gear 17 and the connecting rod 18 can be limited, however, when not in use, through the design of the first handle 1, it can drive the connecting rod 18 to rotate, and the protective mesh 2 can be retracted.

[0022] The above embodiments are merely illustrative of the principles and effects of the present invention, as well as some embodiments of its application, and are not intended to limit the present invention. It should be noted that a person skilled in the art can make several modifications and improvements without departing from the inventive concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention.

Claims

1. A construction engineering protection net, comprising a box (4), characterized in that: The inner wall of the box body (4) is fixedly embedded with a rolling bearing (16), the front surface of the box body (4) is fixedly embedded with a pressure bearing (13), the inner ring of the rolling bearing (16) and the inner ring of the pressure bearing (13) are fixedly connected to a connecting rod (18), the right side of the box body (4) is provided with a through opening (19), the inner wall of the through opening (19) is slidably connected to a protective mesh surface (2), the left side of the protective mesh surface (2) is fixedly connected to the outer surface of the connecting rod (18), and the outer surface of the connecting rod (18) is sleeved with two gear rings (17), each of which is provided with a plurality of gear rings (17). The inner wall of the gear ring (17) is fixedly connected to the outer surface of the connecting rod (18), a push plate (7) is provided above the box body (4), a threaded cylinder (5) is fixedly embedded on the upper surface of the push plate (7), and the inner wall of the threaded cylinder (5) is threadedly connected to the threaded rod (15), a bearing seat (12) is provided above the box body (4), two slide cylinders (8) are fixedly embedded on the upper surface of the box body (4), the inner wall of each slide cylinder (8) is slidably connected to a positioning rod (14), and the top of each positioning rod (14) is fixedly connected to the bottom surface of the push plate (7).

2. A construction engineering protection net according to claim 1, characterized in that: A fixing plate (11) is provided at the rear of the box body (4), the front of the fixing plate (11) is fixedly connected to the back of the box body (4), and two groups of through holes (10) are opened on the front of the fixing plate (11).

3. A construction engineering protection net according to claim 1, characterized in that: A first turning handle (1) is provided in front of the box body (4), the back surface of the first turning handle (1) is fixedly connected to the front end of the connecting rod (18), and a second turning handle (6) is provided above the box body (4), the bottom surface of the second turning handle (6) is fixedly connected to the top end of the threaded rod (15).

4. A construction engineering protection net according to claim 1, characterized in that: Two connecting rings (3) are provided on the right side of the box body (4), and the outer surface of each connecting ring (3) is fixedly connected to the right side of the protective net surface (2).

5. A construction engineering protection net according to claim 1, characterized in that: Each positioning rod (14) is adapted to the slide cylinder (8), and the inner ring of the bearing seat (12) is fixedly connected to the bottom end of the threaded rod (15).

6. A construction engineering protection net according to claim 1, characterized in that: An operating mark (9) is fixedly connected to the front of the box body (4), and the operating mark (9) is located above the pressure bearing (13).

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