CN215165607U - Automatic spraying and smearing machine for subway deep foundation pit - Google Patents
Automatic spraying and smearing machine for subway deep foundation pit Download PDFInfo
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- CN215165607U CN215165607U CN202023087737.1U CN202023087737U CN215165607U CN 215165607 U CN215165607 U CN 215165607U CN 202023087737 U CN202023087737 U CN 202023087737U CN 215165607 U CN215165607 U CN 215165607U
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Abstract
本实用新型公开了一种地铁深基坑自动化喷抹机，包括基座、走行定位装置、喷射装置、回弹料回收盒和抹墙装置。本实用新型的地铁深基坑自动化喷抹机结合了混凝土喷射与抹墙两种模式，能够使基面平整度高于纯喷射混凝土装置，同时解决了建筑砂浆抹墙机不能在有钢筋网片且厚度不一致墙面施工的问题。
The utility model discloses an automatic spraying machine for subway deep foundation pits, which comprises a base, a traveling positioning device, a spraying device, a rebound material recovery box and a wall wiping device. The automatic spraying machine for deep foundation pits of the subway of the utility model combines the two modes of concrete spraying and wall plastering, which can make the flatness of the base surface higher than that of the pure sprayed concrete device, and at the same time solves the problem that the building mortar wall plastering machine cannot be used in the presence of steel mesh. And the problem of inconsistent wall construction.
Description
Technical Field
The utility model relates to a subway construction technical field, concretely relates to subway deep basal pit is automatic spouts machine of smearing.
Background
The suspended net sprayed concrete between the subway piles has the advantages of high construction speed, low labor investment, low manufacturing cost and the like, but the problem of high difficulty in controlling the flatness of the sprayed surface exists, the requirement on the flatness of a waterproof base surface of underground engineering is difficult to achieve, the rebound rate of the sprayed concrete is high, the resource waste is high, the gap behind the steel purlin is difficult to control, and the occupational health of spraying operators is influenced. The inter-pile molded concrete has the advantages of high flatness of waterproof base surfaces, guaranteed quality of waterproof base surfaces, uniform transmission of supporting axial force to the fender piles and low environmental pollution, but has long construction period, large resource investment, high manufacturing cost, long foundation pit exposure time and potential safety hazards of foundation pits.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic machine of smearing of subway deep basal pit.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an automatic spraying and plastering machine for a subway deep foundation pit comprises a base, a walking positioning device, a spraying device, a rebound material recovery box and a plastering device; the base is movably arranged on the walking positioning device, and the injection device, the rebound material recovery box and the wall plastering device are all arranged on the base; the spraying device comprises a plurality of first spraying pipelines which are uniformly arranged along the length direction of the surface of the deep foundation pit support structure to be sprayed and smeared and are all communicated with the concrete pump, and the first spraying pipelines are used for spraying concrete to the surface of the deep foundation pit support structure to be sprayed and smeared; the rebound material recovery box is arranged below a jet orifice of the first jet pipeline, and the plastering device is arranged below the rebound material recovery box; a rebound material injection device is arranged between the rebound material recovery box and the plastering device and comprises an injection pipeline II, and the injection pipeline II is used for injecting the rebound material to the surface of the deep foundation pit support structure to be plastered; the bottom of the rebound material recovery box is provided with a rebound material outlet, and the rebound material outlet corresponds to the two positions of the injection pipeline of the rebound material injection device; the base is provided with a lifting device, and the injection device, the rebound material recovery box and the wall plastering device are all arranged on the lifting device and can be driven by the lifting device to move up and down.
Further, a plurality of injection pipelines are uniformly arranged in a fan shape.
Furthermore, the walking positioning device comprises a walking rail, and the extending direction of the walking rail is the same as the length direction of the deep foundation pit enclosure structure to be sprayed and smeared; and the bottom of the base is provided with a pulley, and the pulley can run on the running track.
Furthermore, the walking positioning device comprises a positioning bolt, the positioning bolt penetrates through the base from top to bottom and is in threaded connection with the base, and the bottom end of the positioning bolt can be pressed or separated from the walking track or the ground.
Furthermore, the walking positioning device is provided with at least two parallel walking rails, pulleys are arranged at the bottom of the base and at positions corresponding to the walking rails, and the pulley at one side is a universal pulley.
Furthermore, the lower end of the lifting device penetrates through the base and then is connected with the angle adjusting device, and the lifting device is rotatably connected to the base and can be inclined on the base by a set angle; the angle adjusting device can drive the lower end of the lifting device to move towards the direction close to or far away from the deep foundation pit support structure to be sprayed.
Furthermore, the angle adjusting device comprises a base, an adjusting bolt, a first rocker and a second rocker, wherein the base is fixedly connected to the bottom of the base; the first rocker and the second rocker are arranged in the base, one end of the first rocker is rotatably connected to the base, and the other end of the first rocker is rotatably connected to the bottom of the lifting device; one end of the rocker II is connected to the bottom of the lifting device, and the other end of the rocker II is connected to the adjusting bolt; one end of the adjusting bolt penetrates through the base and is connected with the other end of the rocker II after being in threaded connection with the base, the other end of the adjusting bolt is exposed out of the base, and the central axis of the adjusting bolt is perpendicular to the surface of the deep foundation pit support structure.
The beneficial effects of the utility model reside in that: the utility model discloses an automatic machine of plastering of subway deep basal pit has combined concrete injection and has plastered wall two kinds of modes, can make the basal plane roughness be higher than the pure concrete device that sprays, has solved the building mortar machine of plastering wall simultaneously and can not be in the problem that has reinforcing bar net piece and the inconsistent wall construction of thickness. Moreover, the utility model has low cost, easy realization and easy learning and mastering.
Drawings
Fig. 1 is a schematic view of a top view structure of an automatic spraying and plastering machine for a subway deep foundation pit according to an embodiment of the present invention;
fig. 2 is a schematic sectional view taken along line a-a in fig. 1.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed embodiments and the specific operation processes are provided, but the protection scope of the present invention is not limited to the present embodiment.
The embodiment provides an automatic spraying and plastering machine for a subway deep foundation pit, which comprises a base 1, a walking positioning device 2, a spraying device, a rebound material recycling box 3 and a plastering device 4, wherein the walking positioning device 2 is arranged on the base; the base 1 is movably arranged on the walking positioning device 2, and the injection device, the rebound material recovery box 3 and the plastering device 4 are all arranged on the base 1; the spraying device comprises a plurality of first spraying pipelines 5, the plurality of first spraying pipelines 5 are uniformly arranged along the length direction of the surface of the deep foundation pit support structure to be sprayed and smeared and are all communicated with the concrete pump 6, and the first spraying pipelines 5 are used for spraying concrete to the surface of the deep foundation pit support structure to be sprayed and smeared; the rebound material recovery box 3 is arranged below a jet orifice of the first jet pipeline 5, and the plastering device 4 is arranged below the rebound material recovery box 3; a rebound material injection device is arranged between the rebound material recovery box 3 and the plastering device 4, the rebound material injection device comprises an injection pipeline II 7, and the injection pipeline II 7 is used for injecting the rebound material to the surface of the deep foundation pit enclosure structure to be plastered; a rebound material outlet 31 is formed in the bottom of the rebound material recovery box 3, and the rebound material outlet 31 corresponds to the second injection pipeline 7 of the rebound material injection device; the base 1 is provided with a lifting device 8, and the injection device, the rebound material recovery box 3 and the plastering device 4 are all arranged on the lifting device 8 and can be driven by the lifting device 8 to move up and down.
During working, the walking positioning device is installed after one step and the steel bar net among the piles are completed by earth excavation of the deep foundation pit, and the distance between the walking positioning device and the surface of the deep foundation pit enclosure structure is determined according to the required concrete thickness. The base moves on the walking positioning device and stops at one side of the surface of the deep foundation pit support structure needing to be sprayed with concrete. And stirring and mixing by using a concrete pump to obtain a concrete mixture, conveying the concrete mixture to each injection pipeline I by using the concrete pump, and injecting the concrete mixture to the surface of the deep foundation pit support structure by using the injection pipeline I. Because the injection concrete produces the resilience material at certain rebound rate occasionally spraying, retrieve the box through the resilience material and retrieve the resilience material, the resilience material of retrieving falls through the resilience material export of below in the injection pipeline two. The surface flatness of the first-time sprayed concrete is usually not high, the requirement of a waterproof base surface of an underground engineering is difficult to meet, for an under-sprayed part, the second spraying pipeline is firstly utilized to spray the rebound material to a concave part of the under-sprayed part, then the plastering device is utilized to plaster the under-sprayed part, and for a convex part on the surface of an over-sprayed part, the plastering device is directly utilized to scrape the over-sprayed part. The lifting device drives the injection device, the rebound material recovery box and the plastering device to ascend and descend, and the process is repeated, so that the concrete spraying and plastering on the surface of the whole deep foundation pit support structure can be completed. Because the excavation of the subway foundation pit is layered and segmented, the foundation pit can be continuously sprayed and plastered by moving the base on the walking positioning device.
In this embodiment, the plurality of injection pipes one 5 are uniformly arranged in a fan shape.
Further, the walking positioning device 2 comprises a walking rail 9, and the extending direction of the walking rail 9 is the same as the length direction of the deep foundation pit enclosure structure to be sprayed and smeared; the bottom of the base 1 is provided with a pulley 10, and the pulley 10 can run on the running track 9.
Furthermore, in this embodiment, the walking positioning device includes a positioning bolt 11, the positioning bolt 11 penetrates through the base 1 from top to bottom and is in threaded connection with the base, and the bottom end of the positioning bolt 11 can be pressed against or separated from the walking rail or the ground. After the base is moved to a set position, the positioning bolt is screwed downwards to be tightly pressed on the moving track or the ground, and the base can be fixed. When the base needs to be moved again, the positioning bolt is upwards screwed to be separated from the moving rail or the ground, and then the base can be moved on the moving rail again.
Furthermore, in this embodiment, at least two parallel running rails 9 are provided, and pulleys 10 are provided at the bottom of the base 1 and at positions corresponding to the running rails 9, wherein the pulleys on one side are universal pulleys (the pulleys on the right side shown in fig. 1 in this embodiment are universal pulleys).
Further, the lifting device similar to a construction elevator is adopted in the embodiment, and mainly comprises a telescopic rod, a lifting elevator 12, a gear 13 and a rotating shaft 16, wherein the rotating shaft 16 is provided with the gear 13, and one end of the gear 13 penetrates through and is connected with a bearing 14 and then is fixedly connected with an output shaft of the lifting motor 12 through a coupler 17; the telescopic link includes movable part 18 and fixed part 19, movable part 18 and fixed part 19 cup joint each other, fixed part 19 is fixed in on the base 1, be fixed with the lifting rack (not shown) that extends along the movable part direction of height on the movable part 18, gear 13 with the lifting rack meshes mutually. When the elevator 12 is lifted, the drive gear 13 is rotated by driving the rotation shaft 16 to rotate. The movable part 18 is driven to lift through the transmission between the gear 13 and the lifting rack.
Further, in this embodiment, the lower end of the fixing part 19 passes through the base 1 and then is connected with the angle adjusting device 20, and the fixing part 19 is rotatably connected to the base 1 and can be tilted back and forth on the base 1 by a set angle; the angle adjusting device 20 can drive the lower end of the fixing part 19 to move towards or away from the deep foundation pit support structure to be sprayed.
Specifically, in the present embodiment, the angle adjusting device 20 includes a base 21, an adjusting bolt 22, a first rocker 23 and a second rocker 24, and the base 21 is fixedly connected to the bottom of the base 1; the rocker I23 and the rocker II 24 are arranged in the base 21, one end of the rocker I23 is rotatably connected to the base 21, and the other end of the rocker I23 is rotatably connected to the bottom of the fixing part 19; one end of the rocker II 24 is connected to the bottom of the fixing part 19, and the other end of the rocker II is connected to the adjusting bolt 22; one end of the adjusting bolt 22 penetrates through the base 21 and is connected with the other end of the rocker II 24 in a threaded mode, the other end of the adjusting bolt 22 is exposed out of the base 21, and the central axis of the adjusting bolt 22 is perpendicular to the surface of the deep foundation pit support structure.
Through the rotation of adjusting bolt 22 in base 21 or outside base 21, can realize promoting rocker two 24 and remove to the direction of being close to or keeping away from the deep basal pit retaining structure who waits to spout and wipe, thereby promote the bottom of fixed part 19 moves to the direction of being close to or keeping away from the deep basal pit retaining structure who waits to spout and wipe, finally drives movable part 18 swings to the direction of keeping away from or being close to the deep basal pit retaining structure who waits to spout and wipe, can adjust the angle between injection direction and the deep basal pit retaining structure surface like this, keeps both perpendicular, and keeps plastering a wall direction and deep basal pit retaining structure surface parallel to keep the thickness of spouting and wiping unanimously.
The device of plastering a wall adopts the design of current plastering machine can, reference: yangzhou, consolidation root. design of novel troweling machine [ J ]. architectural design, 2007, (8): 84-85.
Various corresponding changes and modifications can be made by those skilled in the art according to the above technical solutions and concepts, and all such changes and modifications should be included in the protection scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023087737.1U CN215165607U (en) | 2020-12-18 | 2020-12-18 | Automatic spraying and smearing machine for subway deep foundation pit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023087737.1U CN215165607U (en) | 2020-12-18 | 2020-12-18 | Automatic spraying and smearing machine for subway deep foundation pit |
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| CN215165607U true CN215165607U (en) | 2021-12-14 |
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| CN202023087737.1U Active CN215165607U (en) | 2020-12-18 | 2020-12-18 | Automatic spraying and smearing machine for subway deep foundation pit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554189A (en) * | 2020-12-18 | 2021-03-26 | 广州轨道交通建设监理有限公司 | Automatic spraying and smearing machine for subway deep foundation pit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554189A (en) * | 2020-12-18 | 2021-03-26 | 广州轨道交通建设监理有限公司 | Automatic spraying and smearing machine for subway deep foundation pit |
| CN112554189B (en) * | 2020-12-18 | 2024-08-23 | 广州地铁工程咨询有限公司 | Automatic spraying and smearing machine for subway deep foundation pit |
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