Dust suppression equipment for subway deep foundation pit excavation construction

Abstract

The utility model relates to the field of engineering equipment, in particular to dust suppression equipment for subway deep foundation pit excavation construction, which comprises a clamping positioning seat, a dust suppression device and a dust suppression device, the clamping unit is arranged in the open structure of the clamping and positioning seat; each dust suppression equipment unit comprises a bearing column which comprises a plurality of columnar structures which are transversely arranged in parallel; the clamping base is of an open structure with an upward opening; the connecting seat is clamped on any clamping base, and a limiting block for clamping is arranged at the bottom of the connecting seat; the dust suppression spray head is arranged on the connecting seat; the locking unit is arranged in the clamping base; the dust suppression equipment units are connected with the side, away from the open structure, of the clamping positioning base at the ends, away from the clamping bases, of the bearing columns, and the multiple dust suppression equipment units are fixedly connected through the bearing columns and the clamping bases to achieve extending splicing connection. The dust suppression device has the advantages that a plurality of dust suppression nozzles are fixed, and the dust suppression device can be independently used outside the dust suppression device and is suitable for a narrow space.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering equipment field, concretely is a dust suppression equipment for subway deep foundation pit excavation construction. BACKGROUND

[0002] The dust suppression equipment for subway deep foundation pit excavation construction is simple in working principle. When construction starts, the water pump is started, water in the water storage tank is delivered to the spray head through the water guide pipe, the spray head sprays water mist to the construction area, forms a wet mist curtain, adsorbs and settles dust particles in the air, and reduces the dust concentration.

[0003] However, the existing dust suppression equipment is usually an independent device, is large in size, is fixed in position on site, and is inconvenient to use. In narrow positions, the equipment is difficult to enter, the spray head is difficult to spray to the specified position, and the dust suppression effect is reduced. Moreover, the position of the spray head is not flexible, and the spray head can only be attached to the equipment and cannot be independently supported and limited.

[0004] In view of the deficiencies of the prior art, there is an urgent need to design a dust suppression equipment for subway deep foundation pit excavation construction to solve the above problems. INVENTION CONTENTS

[0005] The utility model aims at overcoming the deficiencies of the prior art, providing a dust suppression equipment for subway deep foundation pit excavation construction, which is flexibly adapted to the harsh construction environment in subway deep foundation excavation construction, fully reduces the dust concentration, and makes the construction environment more green and environmentally friendly.

[0006] In order to achieve the above purpose, a dust suppression equipment for subway deep foundation pit excavation construction is designed, which comprises: a clamping positioning seat, which is an open structure on one side; a clamping unit arranged in the open structure of the clamping positioning seat, the clamping unit being used for fixing the clamping positioning seat on a stand column; a plurality of dust suppression equipment units, the dust suppression equipment unit comprising: a bearing column comprising a plurality of transversely parallel columnar structures; a clamping base arranged at one end of the bearing column, the clamping base being an open structure with an opening upward; a connecting seat clamped on any clamping base, the bottom of the connecting seat being provided with a limiting block for clamping; a dust suppression spray head arranged on the connecting seat and used for spraying dust; a locking unit arranged in the interior of the clamping base and used for limiting the limiting block; the dust suppression equipment unit is fixedly connected at the end of the bearing column away from the clamping base and the side of the clamping positioning seat away from the open structure, and the plurality of dust suppression equipment units are connected in extension through the fixed connection between the bearing column and the clamping base.

[0007] Preferably, the utility model still include: the locking unit includes: the sleeve is fixedly arranged in the joint base inside, is equipped with the through groove laterally, is equipped with the sliding groove on the upper and lower surface of through groove, a plurality of sliding blocks are movably connected in the sleeve, the middle part is equipped with the convex block with the sliding groove cooperation, is equipped with the extension on the both sides of convex block transversely, the extension is matched with the through groove, realizes the sliding fit of sliding block in the sleeve limit, the lock catch is set up on the extension of sliding block, and is movably connected with the locking hole of limit block.

[0008] Preferably, the utility model still include: the sleeve is rotatably connected with double thread screw rod, and the double thread screw rod is threadedly matched with the transverse through hole of sliding block.

[0009] Preferably, the utility model still include: the clamping unit includes: the fixed clamping block is fixedly arranged in the open structure of the clamping positioning seat one side, the threaded rod is through setting on the clamping positioning seat side away from fixed clamping block, and is threadedly matched with the clamping positioning seat, and the end of threaded rod is provided with movable clamping block (63), and threaded rod and movable clamping block are slidably connected.

[0010] Preferably, the utility model still include: the fixed clamping block near movable clamping block one side and movable clamping block near fixed clamping block one side are respectively equipped with the profiling groove matched with stand.

[0011] Preferably, the utility model still include: the connecting seat is equipped with inlet pipe and outlet pipe, the outlet pipe is connected with dust suppression nozzle, the inlet pipe and outlet pipe are communicated, and the inlet pipe is connected with pump group.

[0012] Preferably, the utility model still include: the outlet pipe is metal shaped tube.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The dust suppression equipment for subway deep foundation pit excavation construction is designed with a clamping unit, so that the device and the clamping positioning seat can be quickly installed and fixed on the stand of the subway deep foundation pit excavation construction position. The load-bearing column and the multiple joint bases support the multiple connecting seats and the dust suppression nozzles. The limiting block and the locking unit make the connecting seat easy to disassemble and assemble on the joint base. In actual construction, the appropriate number and position of connecting seats can be installed flexibly according to specific needs, and then the appropriate number and position of dust suppression nozzles can be installed. This realizes the omnidirectional fixation of multiple dust suppression nozzles, makes the equipment suitable for narrow spaces, and multiple dust suppression nozzles can be used independently outside the dust suppression equipment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic view of the utility model;

[0016] Figure 2 , is the disassembly schematic view of the connecting seat of the utility model;

[0017] Figure 3 , is the internal structure schematic view of the clamping base of the utility model;

[0018] Figure 4 , is the structure schematic view of the locking unit of the utility model;

[0019] In the figure: 1, clamping positioning seat; 2, bearing column; 3, clamping base; 4, connecting seat; 41, water inlet pipe; 42, water outlet pipe; 43, dust suppression spray head; 5, limiting block; 51, locking hole; 6, clamping unit; 61, fixed clamping block; 62, threaded rod; 63, movable clamping block; 7, locking unit; 71, sleeve; 72, sliding block; 73, lock catch; 74, double-threaded screw rod. DETAILED DESCRIPTION

[0020] In order to make the purpose, principle and structure of the utility model more clear and explicit, the following is further described in combination with the drawings and specific embodiments.

[0021] The dust suppression equipment for subway deep foundation pit excavation construction provided by the embodiment of the application solves the problem that the dust suppression equipment is usually set as an independent device, has a large volume, is not convenient to use in a fixed position on site, and cannot enter some relatively narrow positions, so that the spray head of the dust suppression equipment cannot be sprayed to a specified position, the dust suppression effect is reduced, and the position of the spray head is usually not flexible enough and can only be attached to the device and cannot be independently supported and limited away from the device.

[0022] Embodiment 1

[0023] The utility model discloses a dust suppression equipment for subway deep foundation pit excavation construction, according to the attached Figures 1-4 As shown in the figure, including clamping positioning seat 1 and the dust suppression spray head 43 of setting in the side of clamping positioning seat 1, clamping positioning seat 1 is equipped with the clamping unit 6 for positioning in the construction position;

[0024] The device is designed through the clamping unit 6, so that the device and the clamping positioning seat 1 are conveniently and quickly installed and fixed on the column at the subway deep foundation pit excavation construction position, so as to realize the position fixing of the plurality of dust suppression spray heads 43, so that the device is suitable for narrow position use, and the plurality of dust suppression spray heads 43 can be used independently outside the dust suppression equipment.

[0025] The clamping positioning seat 1 is an open structure, the clamping unit 6 is arranged in the open structure, and a plurality of dust suppression equipment units are connected to the side of the clamping positioning seat 1 away from the open structure. The dust suppression equipment unit comprises: a plurality of transversely parallel arranged bearing columns 2, a clamping base 3 arranged at one end of the bearing column 2, a connecting seat 4 movably clamped on the clamping base 3, and the connecting seat 4 is used for bearing a dust suppression nozzle 43.

[0026] In the device, one dust suppression equipment unit is connected to the side of the clamping positioning seat 1 away from the open structure, and a plurality of dust suppression equipment units can also be connected in extension through the fixed connection between the bearing column 2 and the clamping base 3, so as to support a plurality of connecting seats 4 and dust suppression nozzles 43;

[0027] The bottom of the connecting seat 4 is provided with a limiting block 5, the inside of the clamping base 3 is provided with a locking unit 7 for limiting the limiting block 5, and the clamping base 3 is provided with a cavity for accommodating the limiting block 5 and the locking unit 7.

[0028] The device is designed through the limiting block 5 and the locking unit 7, so that the connecting seat 4 is convenient to disassemble and assemble on the clamping base 3, so that a proper number and position of the connecting seat 4 can be loaded according to the actual situation in the actual construction process, and then the dust suppression nozzle 43 of the target number and position is installed;

[0029] The locking unit 7 comprises a sleeve 71 fixedly connected to the inside of the clamping base 3 and a sliding block 72 movably clamped in the sleeve 71, the sliding block 72 is provided with a lock 73, the limiting block 5 is provided with a locking hole 51, the lock 73 is movably matched with the locking hole 51, the sleeve 71 is rotatably connected with a double-thread screw rod 74, and the double-thread screw rod 74 is threadedly matched with the sliding block 72. The sleeve 71 comprises a transversely arranged through slot, and sliding grooves are arranged on the upper and lower inner sides of the through slot. The sliding block 72 is provided with a protruding block structure matched with the sliding groove, the two sides of the protruding block are respectively provided with an extension segment matched with the through slot, the extension segment is provided with the lock 73, the sliding block 72 threadedly matched with the double-thread screw rod 74 is slid in the transverse direction by rotating the double-thread screw rod 74, and the cooperation and separation of the lock 73 and the locking hole 51 are realized.

[0030] Further, the lower part of the limiting block 5 is provided with a notch, the notch is provided with a corresponding locking hole 51, and the notch is avoided from the locking unit 7. The lower part of the limiting block 5 is shaped like the cavity structure of the clamping base 3, so that the unnecessary shaking of the limiting block 5 in the clamping base 3 is eliminated.

[0031] The locking unit 7 is simple in structure, when the dust suppression nozzle 43 is installed, the limiting block 5 is directly inserted into the inside of the clamping base 3, after complete insertion, the connecting seat 4 and the dust suppression nozzle 43 are limited, at this time, the double-threaded screw rod 74 is rotated, the double-threaded screw rod 74 drives the sliding block 72 to move, the sliding block 72 drives the lock catch 73 to move, finally, the lock catch 73 is clamped with the locking hole 51, at this time, the position of the limiting block 5 is locked, and then the connecting seat 4 and the dust suppression nozzle 43 are quickly locked.

[0032] The connecting seat 4 is provided with a water inlet pipe 41 and a water outlet pipe 42, the water outlet pipe 42 is connected with the dust suppression nozzle 43, the water inlet pipe 41 and the water outlet pipe 42 are communicated, the water inlet pipe 41 is connected with a pump group, when dust suppression is needed, water source is directly transported through the pump group, is transported through the water inlet pipe 41 and the water outlet pipe 42, and finally the water source is sprayed at the position of the dust suppression nozzle 43, so that the spray dust suppression is formed.

[0033] The water outlet pipe 42 is a metal shaped pipe, through the design of the metal shaped pipe, the positions, directions and angles of the plurality of dust suppression nozzles 43 are convenient to adjust, and the dust suppression effect on the site is improved.

[0034] Embodiment 2:

[0035] The utility model discloses a dust suppression equipment for subway deep foundation pit excavation construction, according to the attached Figures 1-4 As shown, including clamping positioning seat 1 and setting at clamping positioning seat 1 side face a plurality of dust suppression nozzles 43, clamping positioning seat 1 is equipped with the clamping unit 6 for positioning at the construction position;

[0036] Clamping positioning seat 1 is connected with the bearing column 2, and the bearing column 2 is connected with a plurality of clamping bases 3, and the clamping base 3 movably clamps a connecting seat 4, and the connecting seat 4 is used for bearing the dust suppression nozzle 43;

[0037] The bottom of the connecting seat 4 is provided with a limiting block 5, and the inside of the clamping base 3 is provided with a locking unit 7 for limiting the limiting block 5;

[0038] Many columns are arranged at the construction position of the subway deep foundation pit excavation, for example, a scaffold, so that the clamping positioning seat 1 and the clamping unit 6 clamp and limit the device;

[0039] The clamping unit 6 comprises a fixed clamping block 61 fixedly connected to the clamping positioning seat 1 and a movable clamping block 63 slidably connected to the clamping positioning seat 1, and a threaded rod 62 is threadedly connected to the clamping positioning seat 1, and the threaded rod 62 is rotationally connected with the movable clamping block 63.

[0040] When the device needs to be fixed on the column as a whole, first, the clamping positioning seat 1 is aligned with the target column sleeve, then the threaded rod 62 is rotated, so that the threaded rod 62 drives the movable clamping block 63 to move, and finally the movable clamping block 63 and the fixed clamping block 61 are clamped and limited to the column, so that the dust suppression equipment for the subway deep foundation pit excavation construction position is quickly installed and limited.

[0041] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent substitutions or changes according to the technical scheme and novel concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A dust suppression device for deep foundation pit excavation construction in subway systems, characterized in that, include: Clamping positioning seat (1), wherein the clamping positioning seat (1) has an open structure on one side; The clamping unit (6) is disposed in the open structure of the clamping positioning seat (1), and the clamping unit (6) is used to fix the clamping positioning seat (1) on the column; Several dust suppression equipment units, the dust suppression equipment units comprising: The load-bearing column (2) includes several horizontally parallel columnar structures; The snap-fit ​​base (3) is set at one end of the bearing column (2), and the snap-fit ​​base (3) is an open structure with the opening facing upward; Connecting seat (4) is snapped onto any of the snap-fit ​​bases (3), and the bottom of the connecting seat (4) is provided with a limiting block (5) for snapping. Dust suppression nozzle (43) is mounted on the connecting seat (4) and used for spraying dust suppression; Locking unit (7), which is disposed inside the snap-fit ​​base (3) and is used to limit the position of the limiting block (5); The dust suppression equipment unit is fixedly connected at the end of the bearing column (2) away from the snap-fit ​​base (3) to the side of the clamping positioning seat (1) away from the open structure. Several dust suppression equipment units are extended and spliced ​​together through the fixed connection between the bearing column (2) and the snap-fit ​​base (3).

2. The dust suppression equipment for deep foundation pit excavation construction in subways according to claim 1, characterized in that, The locking unit (7) includes: The sleeve (71) is fixedly installed inside the snap-fit ​​base (3), and has a through groove in the horizontal direction. Sliding grooves are provided on the upper and lower surfaces of the through groove. Several sliders (72) are movably engaged in the sleeve (71). A protrusion that cooperates with the slide groove is provided in the middle. Extension sections are provided on both sides of the protrusion. The extension sections cooperate with the through groove to realize the limited sliding cooperation of the sliders (72) in the sleeve (71). The latch (73) is located on the extension of the slider (72) and engages with the locking hole (51) on the limiting block (5).

3. The dust suppression equipment for deep foundation pit excavation construction in subways according to claim 2, characterized in that, A double-threaded screw (74) is rotatably connected to the sleeve (71), and the double-threaded screw (74) is threadedly engaged with a transverse through hole on the slider (72).

4. The dust suppression equipment for deep foundation pit excavation construction in subways according to claim 1, characterized in that, The clamping unit (6) includes: A fixing block (61) is fixedly disposed on one side inside the open structure of the clamping positioning seat (1); A threaded rod (62) is provided on the side of the clamping and positioning seat (1) away from the fixed block (61) and is threadedly engaged with the clamping and positioning seat (1). A movable block (63) is provided at the end of the threaded rod (62), and the threaded rod (62) and the movable block (63) slide together.

5. A dust suppression device for deep foundation pit excavation construction in subways according to claim 4, characterized in that, The fixed card block (61) has a contoured groove that matches the column on one side near the movable card block (63) and the movable card block (63) has a contoured groove that matches the column.

6. The dust suppression equipment for deep foundation pit excavation construction in subways according to claim 1, characterized in that, The connecting seat (4) is provided with an inlet pipe (41) and an outlet pipe (42). The outlet pipe (42) is connected to the dust suppression nozzle (43). The inlet pipe (41) and the outlet pipe (42) are connected. The inlet pipe (41) is connected to the pump set.

7. A dust suppression device for deep foundation pit excavation construction in subways according to claim 6, characterized in that, The outlet pipe (42) is a metal shaped pipe.

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