CN210918481U

CN210918481U - Safety device is used in subway construction

Info

Publication number: CN210918481U
Application number: CN201921376265.6U
Authority: CN
Inventors: 李宏彬; 张晓博
Original assignee: CCCC SHEC Third Highway Engineering Co Ltd
Current assignee: CCCC SHEC Third Highway Engineering Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-07-03
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a safety device is used in subway construction, including soil basic unit to and set up the guardrail body in soil basic unit upper end, be provided with the fixed block on the both ends stand of guardrail body, be provided with shaft hole and screw on the fixed block respectively, the main shaft has been cup jointed to the shaft hole internal rotation, screw female connection has the screw thread round pin, and the one end of screw thread round pin is provided with compresses tightly the pad, and the internal pipe joint that has on the main shaft has been inlayed, and the shower nozzle has been installed to the one end of pipe joint, and the other end of pipe joint is connected with the distributive pipe. Through rotating the shower nozzle that locate mode main shaft and set up on the main shaft, effectively improved the nimble usability of shower nozzle to subway construction area spraying dust fall, through the sealed pad structure of preset fixed station and rag bolt and cladding formula, realized carrying out bottom and outlying cladding formula to the bottom plate and sealed, effectively improved the leakproofness of bottom plate.

Description

Safety device is used in subway construction

Technical Field

The utility model relates to a subway construction protection technical field specifically is a safety device is used in subway construction.

Background

Guard rails are generally arranged around the periphery of a subway construction area for protecting the subway construction area and preventing external personnel from entering the construction area by mistake, however,

1. during the construction of the existing subway, raised dust can be formed in a construction area, some raised dust positions are higher, if the atomizing spray head is fixed and horizontally faces an angle for spraying and dust reduction, the raised dust at the higher position of the upper end cannot be sprayed and dust reduced, and the flexibility of the spray head for spraying and dust reduction of the subway construction area is lower;

2. in addition, along with the dust fall goes on, fog can form ponding on ground, and ponding has caused bottom plate and connection structure corrosion, and the leakproofness of bottom plate is relatively poor on permeating the connection structure of bottom plate easily for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety device is used in subway construction to the shower nozzle that solves prior art existence is lower to the nimble usability of subway construction area spraying dust fall, the relatively poor problem of leakproofness of bottom plate.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a safety device is used in subway construction, includes soil basic unit to and set up the guardrail body in soil basic unit upper end, be provided with the fixed block on the both ends stand of guardrail body, be provided with shaft hole and screw on the fixed block respectively, the main shaft has been cup jointed to the shaft hole internal rotation, screw female connection has the screw thread round pin, the one end of screw thread round pin is provided with and compresses tightly the pad, the embedded coupling that has on the main shaft, the shower nozzle has been installed to the one end of coupling, the other end of coupling is connected with the distributive pipe, the one end of distributive pipe is connected with main water pipe.

Preferably, the number of the pipe joints and the spray heads is at least three, and the pipe joints and the spray heads are transversely arranged at certain intervals.

Preferably, the outer wall of the main shaft is symmetrically provided with limiting blocks in the left-right direction by taking the vertical central axis of the main shaft as the center.

Preferably, the bottom of the upright post of the guardrail body is provided with a bottom plate, the bottom plate is provided with an insertion hole, a fixed table is arranged in the soil foundation layer, a sealing gasket is arranged between the fixed table and the bottom plate, an anchor bolt is preset in the fixed table and is inserted into the insertion hole, and a nut is arranged on a vertical threaded rod at the upper end of the anchor bolt in a threaded manner.

Preferably, the number of the jacks and the foundation bolts is four, and the jacks and the foundation bolts are symmetrically arranged on four corner positions by taking the transverse and vertical central axis of the bottom plate as a center.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by rotating the positioning type main shaft and the spray head arranged on the main shaft, different spray angles can be adjusted, spraying and dust falling can be carried out on a subway construction area, and the flexibility of the spray head for spraying and dust falling of the subway construction area is effectively improved;

2. through the preset fixing table, the foundation bolts and the cladding type sealing gasket structure, the bottom end and the periphery of the bottom plate are sealed in a cladding mode, and the sealing performance of the bottom plate is effectively improved.

Drawings

FIG. 1 is a sectional view of the whole structure of the present invention;

FIG. 2 is a side view of the spindle stop and pipe joint connection structure of the present invention;

FIG. 3 is a top view of the nozzle distribution and water pipe connection structure of the present invention;

fig. 4 is the left preset fixed station and foundation bolt seal structure chart of the utility model.

In the figure: the soil foundation layer 1, the guardrail body 2, the fixed block 3, the shaft hole 31, the screw hole 32, the threaded pin 33, the pressing pad 34, the main shaft 4, the pipe joint 41, the spray head 42, the water diversion pipe 43, the main water pipe 44, the limiting block 5, the bottom plate 6, the jack 61, the fixed table 7, the foundation bolt 71, the sealing pad 8 and the nut 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a safety protection device for subway construction comprises a soil base layer 1, wherein the soil base layer 1 is a soil base layer of a subway construction area, a guardrail body 2 is arranged at the upper end of the soil base layer 1, the guardrail body 2 is a common construction guardrail, steel columns are arranged on two sides, an iron guardrail net is welded between the columns, fixed blocks 3 are welded on the columns at two ends of the guardrail body 2, a shaft hole 31 and a screw hole 32 are respectively arranged on the fixed blocks 3, a spindle 4 is sleeved in the shaft hole 31 in a rotating mode, a threaded pin 33 is connected to the inner thread of the screw hole 32, a compression pad 34 is bonded to the lower end of the threaded pin 33 through resin adhesive, the compression pad 34 is made of elastic rubber pads, extrusion force and friction force are generated through the extrusion force formed by the outer wall surface of the spindle 4, the rotation of the spindle 4 can be limited, a limiting effect is achieved, a steel joint 41 which is cylindrical is embedded in the spindle, then coating phenolic resin glue in the inner hole wall of the through hole, inserting the pipe joint 41 into the through hole, after the resin glue is condensed, realizing that the pipe joint 41 is embedded and installed on the main shaft 4, the right-end internal thread of the pipe joint 41 and the external thread at the left end of the spray head 42 are installed and locked in a threaded manner, the right end of the pipe joint 41 is provided with the spray head 42, the spray head 42 is C-01 and is an impact type atomization spray head, the pipe joint 41 and the spray head 42 are at least three and are transversely arranged according to a certain interval, the left end of the pipe joint 41 is connected with a water distribution pipe 43, the outer end of the water distribution pipe 43 is connected with a main water pipe 44, the main water pipe 44 is externally connected to a water suction pump, the water suction pump is connected to an externally preset water storage tank through a water pipe, the water suction pump is WY-SN-220.

Referring to fig. 1 and 3, the outer wall of the main shaft 4 is symmetrically provided with limiting blocks 5 in a left-right direction with the vertical central axis as a center, and the limiting blocks 5 can limit the main shaft 4 to move in the left-right direction while rotating.

Referring to fig. 1 and 4, a bottom plate 6 is disposed at the bottom end of a column of a guardrail body 2, a receptacle 61 is disposed on the bottom plate 6, a fixing base 7 is disposed in an earth base 1, the fixing base 7 is a concrete pre-setting table, a pre-buried groove is dug in the earth base 1, an anchor bolt 71 is inserted into the pre-buried groove, then concrete is poured into the pre-set table, the pre-set table is formed by condensation, a sealing gasket 8 is disposed between the fixing base 7 and the bottom plate 6, the sealing gasket 8 is made of an elastic silica gel pad, the bottom end and the periphery of the bottom plate 6 are integrally wrapped, the overall sealing effect of the bottom plate 6 can be realized by extrusion, the anchor bolt 71 is pre-set in the fixing base 7, the anchor bolt 71 is generally made of Q235 steel, the upper end is a threaded rod, the L-shaped end of the lower end is pre-buried in the concrete pre-setting table, the number of the receptacle 61 and the anchor, the foundation bolt 71 is inserted into the insertion hole 61, a nut 9 is arranged on a vertical threaded rod at the upper end of the foundation bolt 71 in a threaded mode, the nut 9 is a common hexagonal nut, and the inner thread of the nut is matched with the threaded rod of the foundation bolt 71.

The utility model discloses when concrete implementation: during subway construction, raised dust is formed in a construction area, if the current raised dust position is high, the threaded pin 33 can be rotated anticlockwise, the threaded pin 33 is driven to move upwards through the threaded transmission of the threaded hole 32, when the pressing pad 34 does not press the outer wall surface of the main shaft 4, the threaded pin 33 stops rotating, referring to fig. 2, the main shaft 4 is rotated anticlockwise by taking the hole center of the shaft hole 31 as the center, the spray head 42 is driven to rotate anticlockwise, when the nozzle of the spray head 42 is tilted upwards to a proper spraying dust fall angle, the main shaft 4 stops rotating, the threaded pin 33 rotates clockwise, the pressing pad 34 moves downwards and presses the outer wall surface of the main shaft 4 for limiting, after the power is on, water in a preset water storage tank is pumped out through an external water pump, enters the spray head 42 through the main water pipe 44 and the dust fall water pipe 43, the raised dust at the high position is sprayed through the spray effect of the spray head, the adjustable underground spray dust-settling device can adjust different spray angles and spray dust-settling on an underground construction area, improves the flexible usability of the spray head 42 for spraying dust-settling on the underground construction area, the fixed platform 7 is a concrete preset platform surface, an embedded groove is firstly dug on the soil base layer 1, then the foundation bolts 71 are placed in the embedded groove, then the concrete is poured to form the preset platform surface through condensation, the sealing gasket 8 is laid at the upper end of the fixed platform 7, the preset insertion holes 61 on the bottom plate 6 at the lower end of the guardrail body 2 are aligned with the threaded rods of the foundation bolts 71 and inserted, then the plurality of nuts 9 are taken out, the threaded locking nuts 9 are rotated through the threaded rods, the locked nuts 9 can generate downward pressure on the integral upper end surface of the bottom plate 6 at the moment, the sealing gasket 8 is extruded, the sealing gasket 8 is thick, the part of the outer side of the sealing gasket 8, which exceeds the peripheral dimension of the bottom, the bottom end and the periphery of the bottom plate 6 are integrally sealed in a cladding mode, and the sealing performance of the bottom plate 6 is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a safety device is used in subway construction, includes soil basic unit (1) to and guardrail body (2) of setting in soil basic unit (1) upper end, its characterized in that: be provided with fixed block (3) on the both ends stand of guardrail body (2), be provided with shaft hole (31) and screw (32) on fixed block (3) respectively, main shaft (4) have been cup jointed in shaft hole (31) internal rotation, screw (32) female connection has screw round pin (33), the one end of screw round pin (33) is provided with compresses tightly pad (34), embedded pipe joint (41) that have on main shaft (4), shower nozzle (42) have been installed to the one end of pipe joint (41), the other end of pipe joint (41) is connected with distributive pipe (43), the one end of distributive pipe (43) is connected with main water pipe (44).

2. The safety protection device for subway construction as claimed in claim 1, wherein: the number of the pipe joints (41) and the spray heads (42) is at least three, and the pipe joints and the spray heads are transversely arranged according to a certain interval.

3. The safety protection device for subway construction as claimed in claim 1, wherein: the outer wall of the main shaft (4) is symmetrically provided with limiting blocks (5) in the left and right direction by taking the vertical central axis of the main shaft as the center.

4. The safety protection device for subway construction as claimed in claim 1, wherein: the guardrail comprises a guardrail body (2) and is characterized in that a bottom plate (6) is arranged at the bottom end of a stand column, a jack (61) is formed in the bottom plate (6), a fixed table (7) is arranged in a soil base layer (1), a sealing gasket (8) is arranged between the fixed table (7) and the bottom plate (6), an anchor bolt (71) is preset in the fixed table (7), the anchor bolt (71) is connected with the jack (61) in an inserting mode, and a nut (9) is installed on a vertical threaded rod at the upper end of the anchor bolt (71) in a threaded mode.

5. The safety protection device for subway construction as claimed in claim 4, wherein: the number of the jacks (61) and the anchor bolts (71) is four, and the jacks and the anchor bolts are symmetrically arranged on four angular positions by taking the transverse and vertical central axis of the bottom plate (6) as the center.