Subway constructor protection device

Abstract

The utility model discloses a protection device for subway constructors, belongs to the technical field of building construction protection, and is used for solving the technical problem of ensuring the safety of subway construction under a high-voltage line. The device comprises a protective frame which is erected on a foundation pit and is covered with an insulating layer on the surface; the shed plate is laid on the protective frame and comprises a steel plate connected with the protective frame and a plurality of insulating plates laid on the steel plate; each sealing plate covers a flash gap between every two adjacent insulating plates; the sealing plate is connected with the insulating plate in a lap joint mode, and an insert is embedded in the sealing plate and is used for being fixedly connected with the steel plate. The high-voltage wire is effectively isolated from constructors within the construction operation range, the operation safety of the constructors is guaranteed, and the construction efficiency is improved. Constructors can perform construction efficiently and safely below the high-voltage line.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction protection, especially relates to a subway construction personnel protection device. BACKGROUND

[0002] In the subway construction process, when high-voltage lines pass through the excavated foundation pit, according to the construction specification, the crane is strictly prohibited to operate on the unshielded overhead line outside the electric power line, and when hoisting near the overhead line, the minimum safety distance between any part of the crane or the edge of the hoisted object and the overhead line should meet the requirements;

[0003] The traditional construction protection measure is to build a protective shed in the construction area, and an insulating board is laid on the roof of the protective shed to isolate the high-voltage line from the construction personnel. Although the safety of the construction personnel is ensured, the construction personnel can normally carry out construction work under the high-voltage line, but different construction sites are affected by the size of the foundation pit. When the foundation pit area is too large, one insulating board cannot cover the construction area, and multiple boards are spliced, and there are gaps in the splicing, which still has the risk of electric leakage.

[0004] Therefore, based on the above problems, how to set up protective facilities for the construction environment to ensure the safety of subway construction has become an important technical problem that needs to be solved by the technical personnel in the field. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the defects in the prior art, and provides a subway construction personnel protection device, which is used to solve the problem of ensuring the safety of subway construction under high-voltage lines.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model discloses a subway construction personnel protection device, which comprises:

[0008] A protective frame is erected on the foundation pit and covered with an insulating layer;

[0009] A shed plate is laid on the protective frame:

[0010] The shed plate comprises a steel plate connected with the protective frame and a plurality of insulating boards laid on the steel plate; and

[0011] An enclosure plate covers the gap between the adjacent two insulating boards.

[0012] The enclosure plate is connected with the insulating board in the form of lap joint, and the enclosure plate is pre-buried with an insert for fixed connection with the insulating board and the steel plate.

[0013] Further, the insulating plate is provided with a limiting groove at the position of the two side edges, the limiting groove is clamped with the protrusion on the sealing plate, the protrusion is embedded with the insert, and the limiting groove is provided with a through hole matched with the insert.

[0014] Further, the insert comprises a rod part and a pre-embedded part embedded in the sealing plate, and the pre-embedded part has a variable diameter section.

[0015] Further, the protection frame comprises vertical beams arranged on two sides of the foundation pit, a horizontal beam connecting the vertical beams on two sides of the foundation pit, and the horizontal beam is provided with the shed plate on the upper part, and the vertical beams and the horizontal beam are covered with the insulating layer.

[0016] Further, the vertical beam is provided with a reinforced concrete enlarged foundation at the bottom, a steel plate is pre-embedded in the reinforced concrete enlarged foundation, and the steel plate is connected with the vertical beam through a flange plate.

[0017] Further, the height limiting frame is arranged on one side of the protection frame, and the height limiting frame has the same height as the protection frame.

[0018] Further, the insulating plate and the sealing plate are plate materials molded by sheet molding compound.

[0019] In the above technical solution, the subway construction personnel protection device has the beneficial effects that:

[0020] The protection device is arranged on the foundation pit below the high-voltage line, the shed plate is arranged on the top of the protection frame, the shed plate comprises a steel plate and a plurality of insulating plates and sealing plates, the sealing plate covers the flash gap between the adjacent two insulating plates, and the sealing plate is connected with the steel plate in the form of lap joint on both sides of the flash gap, the lower surface of the sealing plate is fixedly connected with the insulating plate and the steel plate through the insert, the protection device effectively isolates the high-voltage line and the construction personnel in the construction operation range, ensures the safety of the construction personnel, and enables the construction personnel to efficiently and safely perform the construction operation below the high-voltage line. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can be obtained by those skilled in the art according to the drawings.

[0022] Figure 1 is a front view of the subway construction personnel protection device disclosed by the utility model;

[0023] Figure 2It is the utility model discloses a subway construction personnel protection device A position local enlarged view

[0024] Figure 3 It is the utility model discloses a subway construction personnel protection device plan view;

[0025] Figure 4 It is the utility model discloses a subway construction personnel protection device insulation board structure diagram;

[0026] Figure 5 It is the utility model discloses a subway construction personnel protection device sealing plate structure schematic diagram;

[0027] Figure 6 It is the utility model discloses a subway construction personnel protection device insert structure schematic diagram;

[0028] Figure 7 It is the utility model discloses a subway construction personnel protection device insulation board and sealing plate splicing state schematic diagram.

[0029] Mark explanation:

[0030] 10, protection frame;11, vertical beam;12, crossbeam;13, steel plate;14, insulation board;141, limit slot;15, flash gap;16, sealing plate;161, lug;17, insert;171, rod portion;172, pre-buried portion;173, reducing section;

[0031] 20, height limiting frame;

[0032] 30, foundation pit;

[0033] 40, high-voltage line. Specific implementation

[0034] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in detail below in conjunction with the drawings.

[0035] See Figures 1-3 As shown;

[0036] The utility model discloses a subway construction personnel protection device, including: protection frame 10, canopy board;

[0037] Protection frame 10 is erected on the foundation pit 30 below high-voltage line 40, and the exposed surface of protection frame 10 is covered with an insulating layer, and the canopy board is laid on the top of protection frame 10, which comprises steel plate 13 and a plurality of insulation boards 14 laid on steel plate 13, and sealing plate 16;

[0038] The sealing plate 16 covers the flash gap 15 between two adjacent insulating plates 14, and the sealing plate 16 is connected to the insulating plates 14 in a lap joint form on both sides of the flash gap 15, and the lower surface of the sealing plate 16 is embedded with an insert 17, which is fixedly connected to the insulating plates 14 and the steel plate 13 through the insert 17, wherein the insulating plates 14 and the sealing plate 16 are sheet molding compound (SMC) molded plates, and the protective device has a length greater than 34 m and a height greater than 5 m from the high-voltage line, and a width greater than 12 m on both sides of the high-voltage line, which ensures a sufficient safety distance according to the construction specification;

[0039] Referring to Figure 2 , 4 , 5 shown:

[0040] The limiting groove 141 is arranged at the edge position of the insulating plate 14 on both sides, and the limiting groove 141 is clamped with the protrusion 161 on the sealing plate 16, the position of the sealing plate 16 is positioned through the cooperation of the protrusion 161 and the limiting groove 141, which can effectively ensure that the flash gap 15 between the two insulating plates 14 is in the center position of the sealing plate 16, and the effectiveness of the sealing plate 16 is ensured, the protrusion 161 is embedded with the insert 17, and the limiting groove 141 is provided with a through hole matched with the insert 17, and when assembled, the insert 17 can penetrate the through hole on the insulating plate 14 and the mounting hole on the steel plate 13, and cooperate with the nut to realize the fixed connection between the sealing plate 16, the insulating plate 14 and the steel plate 13.

[0041] Referring to Figure 2 , 6 shown:

[0042] The insert 17 includes a rod portion 171 and a pre-embedded portion 172 embedded in the sealing plate 16, the pre-embedded portion 172 has a hexagonal structure in cross section, and the pre-embedded portion 172 has a variable diameter section 173, which is necked to increase the contact area between the insert 17 and the sealing plate 16, thereby improving the connection strength and reliability therebetween, and the rod portion 171 has an external thread for connecting with the nut;

[0043] Referring to Figure 1 , 3 shown:

[0044] The protective frame 10 includes vertical beams 11 and horizontal beams 12;

[0045] The vertical beams 11 are arranged on both sides of the foundation pit 30, and the horizontal beams 12 are connected between the vertical beams 11 on both sides of the foundation pit 30, and the horizontal beams 12 are paved with shed plates, and the vertical beams 11 and the horizontal beams 12 are coated with an insulating layer which can be wrapped with epoxy resin for isolation, and the vertical beams 11 are provided with a reinforced concrete enlarged foundation at the bottom, and a steel plate is pre-embedded in the reinforced concrete enlarged foundation, and the steel plate is connected to the vertical beams 11 through a flange plate.

[0046] Referring to Figure 1 shown:

[0047] The protection device further comprises a height limiting frame 20 arranged on one side of the protection frame 10, the height of the height limiting frame 20 is the same as the height of the protection frame 10, and the height limiting frame 20 is arranged on both sides of the protection frame 10 when the protection frame 10 is arranged in the drilling pile construction.

[0048] In the above technical solution, the utility model provides a subway construction personnel protection device, and the beneficial effects are:

[0049] The protection device designed by the utility model is arranged on the foundation pit below the high-voltage line, the shed plate is arranged on the top of the protection frame, the shed plate comprises a steel plate and a plurality of insulation plates and a sealing plate, the flash gap generated between the adjacent two insulation plates is covered by the sealing plate, the sealing plate is connected with the steel plate in the form of lap joint on both sides of the flash gap, and the lower surface of the sealing plate is fixedly connected with the insulation plate and the steel plate through an insert, the protection device effectively isolates the high-voltage line and the construction personnel within the construction operation range, ensures the safety of the construction personnel operation, and enables the construction personnel to efficiently and safely perform the construction operation below the high-voltage line.

[0050] The above only describes some exemplary embodiments of the utility model by way of illustration, and it is needless to say that the described embodiments can be modified in various manners without departing from the spirit and scope of the utility model for ordinary skilled persons in the art. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the protection scope of the utility model claims.

Claims

1. A device for protecting a subway construction worker, characterized in that, The utility model relates to a kind of subway construction personnel protection devices, including: Shielding frame (10) is erected on foundation pit (30) and surface is covered with insulating layer; Shed board is laid on the shielding frame (10): The shed board includes steel plate (13) connected with the shielding frame (10) and several insulating boards (14) laid on the steel plate (13);And Covering flashing (15) between two adjacent insulating boards (14) on the sealing plate (16); The sealing plate (16) is connected with the insulating board (14) in the form of lap joint, and the sealing plate (16) is embedded with insert (17), for fixed connection with the insulating board (14) and the steel plate (13). 2.The subway construction personnel protection device according to claim 1, wherein: Limiting grooves (141) are arranged at both side edges of the insulating board (14), the limiting grooves (141) are clamped with protrusions (161) on the sealing plate (16), the protrusions (161) are embedded with the inserts (17), and through holes are formed in the limiting grooves (141) and matched with the inserts (17).

3. A device for protecting a person working on a subway according to claim 1 or 2, In particular, The insert (17) includes a rod portion (171) and a pre-embedded portion (172) embedded in the sealing plate (16), and the pre-embedded portion (172) has a variable diameter section (173).

4. The device for protecting a subway construction worker according to claim 1, wherein ； The shielding frame (10) includes vertical beams (11) arranged on both sides of the foundation pit (30), cross beams (12) connecting the vertical beams (11) on both sides of the foundation pit (30), the shed board is laid on the upper part of the cross beam (12), and the vertical beam (11) and the cross beam (12) are coated with the insulating layer. 5.The subway construction personnel protection device according to claim 4, wherein: The vertical beam (11) is provided with a reinforced concrete enlarged foundation at the bottom, a steel plate is embedded in the reinforced concrete enlarged foundation, and the steel plate is connected with the vertical beam (11) through a flange plate.

6. A device for protecting a subway construction worker according to claim 1, characterized in that ； Further comprising a height limiting frame (20) arranged on one side of the shielding frame (10), the height limiting frame (20) has the same height as the shielding frame (10).

7. A subway construction worker protection device according to claim 1, In particular, The insulating board (14) and the sealing plate (16) are sheet-shaped molded plates molded by sheet molding compound.

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