Protective net device for engineering

Abstract

The utility model discloses a protective net device for engineering. The protective net device comprises a protective net body, a screw rod, a gear module and a protective net heightening unit, the lead screw is rotatably arranged in the protective net body, and one end of the lead screw penetrates out of the protective net body. The gear module is fixed to the protective net body and connected with one end of the lead screw. The protective net heightening unit is arranged in the protective net body in a penetrating mode, the gear module drives the lead screw to rotate, and the protective net heightening unit can be driven to move up and down on the protective net body. According to construction requirements, flexible adjustment in the height direction is achieved, time and labor are saved, work efficiency is improved, meanwhile, material preparation of protective nets of different height specifications can be effectively reduced, and cost is reduced; and secondly, locking in the rising state and the folding state is achieved, slipping in the rising state and disengaging in the folding state are avoided, and safety is improved.

Description

Technical Field

[0001] The utility model belongs to the field of protective devices, and specifically relates to a protective net device for engineering. Background Art

[0002] A construction project refers to an engineering entity formed through the construction of various types of buildings and their ancillary facilities and the installation of supporting lines, pipelines, and equipment. The engineering protection net is the enclosure. The enclosure refers to the measures taken to isolate the construction site from the external environment and make the construction site a relatively closed space to prevent non-staff from entering the construction site.

[0003] Existing engineering protection nets are usually of fixed height. When in use, it is necessary to select a protection net of corresponding height for enclosure according to construction requirements. This method requires the preparation of protection nets of various heights in advance, which increases costs. When the height of the protection net needs to be temporarily adjusted during construction, the original protection net needs to be dismantled and reinstalled, which is time-consuming and labor-intensive, and affects construction efficiency. Utility Model Content

[0004] In order to solve the problems existing in the prior art, the utility model aims to provide a protective net device for engineering, which can be flexibly adjusted in the height direction according to construction requirements.

[0005] In order to achieve the above technical objectives and effects, the utility model is implemented through the following technical solutions:

[0006] A protective net device for engineering, comprising a protective net body, a screw rod, a gear module and a protective net heightening unit; the screw rod is rotatably arranged in the protective net body, and one end of the screw rod passes through the protective net body; the gear module is fixed on the protective net body, and the gear module is connected to one end of the screw rod; the protective net heightening unit is passed through the protective net body, and the gear module drives the screw rod to rotate, and the protective net heightening unit can be driven to move up and down on the protective net body, thereby realizing height adjustment.

[0007] Furthermore, the protective net body includes a supporting frame, supporting legs and a protective net; the supporting legs are fixed to the lower end of the supporting frame, and the two groups of protective nets are fixed inside the supporting frame.

[0008] Furthermore, it comprises two groups of the protective nets, and the protective nets are arranged on the supporting frame at intervals.

[0009] Furthermore, a first height positioning hole is provided on the support frame.

[0010] Furthermore, the screw rod is vertically and rotatably arranged in the support frame, and the lower end of the screw rod passes through the lower end of the support frame.

[0011] Furthermore, the gear module includes a housing and a worm gear assembly disposed in the housing.

[0012] Furthermore, one end of the worm in the worm gear assembly is hexagonal.

[0013] Furthermore, the protective net raising unit includes a transverse connecting rod, a first connecting plate and a second connecting plate; several groups of first protective rods are arranged between the transverse connecting rod and the first connecting plate, a second connecting rod is arranged between the transverse connecting rod and the second connecting plate, and the second connecting rod is connected to two adjacent groups of the first protective rods through the second connecting plate; a threaded hole threadedly connected to the screw rod is opened on the first connecting plate.

[0014] Furthermore, a positioning rod is respectively provided at both ends of the lower end surface of the horizontal connecting rod.

[0015] Furthermore, the positioning rods are provided with a plurality of groups of second height positioning holes and a locking hole.

[0016] The beneficial effects of the utility model are as follows: the device of the utility model can be flexibly adjusted in the height direction according to construction requirements, which saves time and effort, improves work efficiency, and can effectively reduce the preparation of protective nets of different height specifications, thereby reducing costs; secondly, the device can lock the device in the raised state and the folded state, thereby avoiding sliding down in the raised state and detaching in the folded state, thereby improving safety.

[0017] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0019] Figure 1 This is a schematic diagram of the structure of the utility model device in a folded state;

[0020] Figure 2 This is a schematic diagram of the structure of the device of the utility model in the height adjustment state;

[0021] Figure 3 This is a schematic diagram of the main structure of the protective net of the utility model;

[0022] Figure 4 This is a cross-sectional view of the protective net body of the utility model;

[0023] Figure 5 This is a schematic diagram of the support frame structure of the utility model;

[0024] Figure 6 This is a schematic diagram of the connection between the screw rod and the gear module of the utility model;

[0025] Figure 7 This is a schematic diagram of the structure of the heightening unit of the protection net of the utility model;

[0026] Figure 8 This is a schematic diagram of removing the protective net when the device of the utility model is in a raised state.

[0027] Explanation of the numbers in the figure: 1. Protective net body; 2. Screw rod; 3. Gear module; 4. Protective net heightening unit; 5. Pin shaft; 11. Support frame; 12. Support foot; 13. Protective net; 14. First height positioning hole; 111. Left support rod; 112. Right support rod; 113. Lower support rod; 114. Upper support rod; 115. Middle support rod; 31. Housing; 32. Worm gear assembly; 41. Horizontal connecting rod; 42. First connecting plate; 43. Second connecting plate; 44. First protective rod; 45. Second connecting rod; 46. Positioning rod; 421. Threaded hole; 461. Second height positioning hole; 462. Locking hole. DETAILED DESCRIPTION

[0028] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0029] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, upper end, lower end, top, bottom...) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] See also Figure 1-2As shown, a protective net device for engineering use includes a protective net body 1, a screw rod 2, a gear module 3 and a protective net raising unit 4; the screw rod 2 is rotatably arranged in the protective net body 1, and one end of the screw rod 2 passes through the protective net body 1; the gear module 3 is fixed on the protective net body 1, and the gear module 3 is connected to one end of the screw rod 2; the protective net raising unit 4 is passed through the protective net body 1, and the screw rod 2 is driven to rotate by the gear module 3, so that the protective net raising unit 4 can be driven to move up and down on the protective net body 1, thereby realizing height adjustment.

[0031] For further information, see Figure 3-4 As shown, the protective net body 1 includes a supporting frame 11, supporting legs 12 and a protective net 13; the supporting legs 12 are fixed to the lower end of the supporting frame 11, and the protective net 13 is detachably fixed in the supporting frame 11, so as to facilitate the maintenance of the protective net 13; and in this embodiment, two groups of the protective nets 13 are included, and the two groups of the protective nets 13 are arranged on the supporting frame 11 at intervals.

[0032] For further information, see Figure 3-4 As shown, the support frame 11 is provided with a first height positioning hole 14; and in this embodiment, see Figure 5 As shown, two groups of the first height positioning holes 14 are provided, which are symmetrically arranged on the left support rod 111 and the right support rod 112 of the support frame 11 .

[0033] Furthermore, the screw rod 2 is vertically and rotatably arranged in the support frame 11, and the lower end of the screw rod 2 passes through the lower end of the support frame 11; in this embodiment, see Figure 8 As shown, specifically, the screw rod 2 is vertically and rotatably arranged between the lower support rod 113 and the middle support rod 115 of the support frame 11, and the lower end of the screw rod 2 passes through the lower support rod 113; and the middle support rod 115 is located between the two groups of the protective nets 13.

[0034] For further information, see Figure 6 As shown, the gear module 3 includes a housing 31 and a worm gear assembly 32 disposed in the housing 31; during installation, refer to Figure 6 and Figure 8As shown, the housing 31 is fixed to the lower end surface of the lower support rod 113. At this time, the lower end of the screw 2 passing through the lower support rod 113 passes into the housing 31, and the turbine in the worm gear assembly 32 is sleeved on the lower end of the screw 2, and the worm in the worm gear assembly 32 is rotatably arranged in the housing 31, and one end of the worm in the worm gear assembly 32 extends out from the housing 31, and the extended end is hexagonal, which is convenient for the operator to rotate the worm in the worm gear assembly 32 by a tool, thereby realizing the rotation of the screw 2 by the worm gear assembly 32.

[0035] For further information, see Figure 7 As shown, the protective net raising unit 4 includes a transverse connecting rod 41, a first connecting plate 42 and a second connecting plate 43; a plurality of groups of first protective rods 44 are arranged between the transverse connecting rod 41 and the first connecting plate 42, a second connecting rod 45 is arranged between the transverse connecting rod 41 and the second connecting plate 43, and the second connecting rod 45 is connected to two adjacent groups of the first protective rods 44 through the second connecting plate 43; a threaded hole 421 threadedly connected to the screw rod 2 is opened on the first connecting plate 42.

[0036] When installing, see Figure 8 As shown, the first protection rods 44 are vertically downwardly penetrated from the upper support rods 114 of the support frame 11 into the support frame 11, and then pass through the middle support rods 115 of the support frame 11. After passing through the middle support rods 115, the lower ends of all the first protection rods 44 are connected together through the first connecting plate 42; and the second connecting rods 45 are vertically downwardly penetrated from the upper support rods 114 of the support frame 11 into the support frame 11, and then connected to the two adjacent groups of the first protection rods 44 through the second connecting plates 43; the screw rods 2 passes through the threaded hole 421 on the first connecting plate 42, and is rotatably arranged between the lower support rod 113 and the middle support rod 115; when adjusting the height, the first connecting plate 42 is driven to move up and down along the screw rod 2 by rotating the screw rod 2, thereby driving the first protective rod 44 to move up and down with the first connecting plate 42, thereby driving the transverse connecting rod 41, the second connecting plate 43 and the second connecting rod 45 to move up and down together, thereby driving the protective net raising unit 4 to move up and down in the support frame 11, thereby realizing height adjustment.

[0037] For further information, see Figure 7As shown, a positioning rod 46 is respectively provided at both ends of the lower end surface of the horizontal connecting rod 41; when the protective net height increasing unit 4 is inserted into the supporting frame 11, the left supporting rod 111 and the right supporting rod 112 are respectively inserted with a positioning rod 46, and the positioning rod 46 can be moved up and down in the left supporting rod 111 and the right supporting rod 112, and a plurality of groups of second height positioning holes 461 and a locking hole 462 are opened on the positioning rod 46; when the height is adjusted, the corresponding second height positioning holes 461 are used to adjust the height of the protective net. 61 is aligned with the first height positioning hole 14, and the pin 5 is inserted into the protection net raising unit 4 to lock the protection net raising unit 4 to prevent the protection net raising unit 4 from slipping; and when the protection net raising unit 4 is completely inserted into the support frame 11, that is, when the protection net raising unit 4 is in a folded state, the locking hole 462 is aligned with the first height positioning hole 14, and the pin 5 is inserted into the protection net raising unit 4 to lock the protection net raising unit 4 to prevent the protection net raising unit 4 from detaching from the support frame 11.

[0038] The working principle of the utility model is as follows:

[0039] During construction, the device is installed around the construction site to isolate it from the external environment. When the height needs to be adjusted during construction, the operator first pulls out the pin 5 inserted in the first height positioning hole 14 and the locking hole 462, and then uses a tool to clamp the hexagonal end of the worm in the worm assembly 32 and rotate it. At this time, the rotating worm in the worm assembly 32 drives the turbine to rotate, thereby driving the screw 2 to rotate synchronously with the turbine. The rotating screw 2 drives the protective net raising unit 4 to move upward through the first connecting plate 42, and when it moves to the required height, the corresponding second height positioning hole 461 is aligned with the first height positioning hole 14, and the pin 5 is inserted.

[0040] Among them, after being raised, if it is necessary to continue to raise it, the operator pulls out the pin 5 inserted in the corresponding second height positioning hole 461 and the first height positioning hole 14, and repeats the above operation, which will not be repeated here; when it is necessary to lower the height, the operator pulls out the pin 5 inserted in the corresponding second height positioning hole 461 and the first height positioning hole 14, and uses a tool to clamp the hexagonal end of the worm in the turbine worm assembly 32, and rotates it in the opposite direction of the raising until it drops to the required height, so that the corresponding second height positioning hole 461 is aligned with the first height positioning hole 14, and the pin 5 is inserted; and when it is required to be completely retracted, the operator pulls out the pin 5 inserted in the corresponding second height positioning hole 461 and the first height positioning hole 14, and uses a tool to clamp the hexagonal end of the worm in the turbine worm assembly 32, and rotates it in the opposite direction of the raising until the locking hole 462 is aligned with the first height positioning hole 14, and the pin 5 is inserted.

[0041] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A protective net device for engineering, characterized in that: The invention comprises a protective net body (1), a screw rod (2), a gear module (3) and a protective net heightening unit (4); the screw rod (2) is rotatably arranged in the protective net body (1), and one end of the screw rod (2) passes through the protective net body (1); the gear module (3) is fixed on the protective net body (1), and the gear module (3) is connected to one end of the screw rod (2); the protective net heightening unit (4) passes through the protective net body (1), and the screw rod (2) is driven to rotate by the gear module (3), so as to drive the protective net heightening unit (4) to move up and down on the protective net body (1), thereby realizing height adjustment; The protective net raising unit (4) comprises a transverse connecting rod (41), a first connecting plate (42) and a second connecting plate (43); a plurality of groups of first protective rods (44) are arranged between the transverse connecting rod (41) and the first connecting plate (42); a second connecting rod (45) is arranged between the transverse connecting rod (41) and the second connecting plate (43), and the second connecting rod (45) is connected to two adjacent groups of the first protective rods (44) via the second connecting plate (43); and a threaded hole (421) threadedly connected to the screw rod (2) is provided on the first connecting plate (42).

2. The engineering protection net device according to claim 1 is characterized in that: The protective net body (1) comprises a support frame (11), support legs (12) and a protective net (13); the support legs (12) are fixed to the lower end of the support frame (11), and two groups of the protective nets (13) are fixed inside the support frame (11).

3. The engineering protection net device according to claim 2 is characterized in that: It comprises two groups of protective nets (13), and the protective nets (13) are arranged on the supporting frame (11) at intervals.

4. The engineering protection net device according to claim 2, characterized in that: The support frame (11) is provided with a first height positioning hole (14).

5. The engineering protection net device according to claim 2, characterized in that: The screw rod (2) is vertically and rotatably arranged in the support frame (11), and the lower end of the screw rod (2) passes through the lower end of the support frame (11).

6. The engineering protection net device according to claim 1, characterized in that: The gear module (3) comprises a housing (31) and a turbine worm assembly (32) arranged in the housing (31).

7. The engineering protection net device according to claim 6, characterized in that: One end of the worm in the turbine worm assembly (32) is hexagonal.

8. The engineering protection net device according to claim 1 is characterized in that: A positioning rod (46) is respectively provided at both ends of the lower end surface of the transverse connecting rod (41).

9. The engineering protection net device according to claim 8, characterized in that: The positioning rod (46) is provided with a plurality of groups of second height positioning holes (461) and a locking hole (462).

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