CN114215067A - Concrete injection device for foundation pit wall reinforcement - Google Patents

Concrete injection device for foundation pit wall reinforcement Download PDF

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Publication number
CN114215067A
CN114215067A CN202111342296.1A CN202111342296A CN114215067A CN 114215067 A CN114215067 A CN 114215067A CN 202111342296 A CN202111342296 A CN 202111342296A CN 114215067 A CN114215067 A CN 114215067A
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China
Prior art keywords
frame
support
plate
coating
foundation pit
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Granted
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CN202111342296.1A
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Chinese (zh)
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CN114215067B (en
Inventor
马栋
白国岩
高宏宇
梁振刚
赵强
董伟
焦晓兵
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China Railway 16th Bureau Group Co Ltd
Electrification Engineering Co Ltd of China Railway 16th Bureau Group Co Ltd
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China Railway 16th Bureau Group Co Ltd
Electrification Engineering Co Ltd of China Railway 16th Bureau Group Co Ltd
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Publication of CN114215067A publication Critical patent/CN114215067A/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/02—Foundation pits
    • E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0004—Synthetics
    • E02D2300/0018—Cement used as binder
    • E02D2300/002—Concrete
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The invention relates to the technical field of foundation pit reinforcement, in particular to a concrete injection device for foundation pit wall reinforcement, which comprises a support frame plate, an inner edge support frame arranged on the support frame plate, and a support base arranged at the bottom end of the inner edge support frame; the support frame plate is provided with a suspension machine part, and the inner edge support frame is provided with an injection device through a guide rail; the spraying device is provided with a spraying assembly and a coating assembly matched with the spraying assembly; all be provided with the subassembly of contradicting towards the foundation ditch wall on support frame board and the interior support frame of following, injection apparatus's four corners all is provided with the support exterior angle subassembly, supports the exterior angle subassembly and supports between foundation ditch wall and injection apparatus. A stable supporting framework is formed between the device and the wall surface of the foundation pit, and the defect that the wall surface of the foundation pit is not flat is overcome; the problem that the concrete coating is affected by gravity and coated unevenly is prevented, and meanwhile, the risk of foundation pit soil layer collapse is prevented.

Description

Concrete injection device for foundation pit wall reinforcement
Technical Field
The invention relates to the technical field of foundation pit reinforcement, in particular to a concrete injection device for foundation pit wall reinforcement.
Background
The foundation pit is an earth pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site before excavation, waterproof and drainage work is performed, a method for placing a side slope can be used for people who do not excavate deeply to stabilize the earth slope, the size of the slope is determined according to relevant construction regulations, the foundation pit is reinforced after excavation, and people who excavate deeper and nearby buildings can be excavated by using a foundation pit wall supporting method and a concrete spraying wall protecting method.
The concrete spraying is a common technical method for reinforcing the retaining wall in the prior art, and the existing common concrete retaining wall reinforcing mode is that concrete is sprayed on four surfaces of a foundation pit one by manually holding a single spraying head or the concrete is sprayed by hanging a hoisting mechanism. The technology has certain defects, and the problem that the wall surface of the foundation pit is not smooth necessarily exists before reinforcement, so that sprayed concrete cannot be effectively stayed in a spraying area, the condition that the concrete is not uniformly coated is caused, and the quality of foundation pit wall reinforcement is greatly influenced.
Disclosure of Invention
The invention aims to provide a concrete injection device for foundation pit wall surface reinforcement, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a concrete injection device for foundation pit wall reinforcement comprises a support frame plate, an inner edge support frame arranged on the support frame plate, and a support base arranged at the bottom end of the inner edge support frame;
the support frame plate is provided with a suspension machine part, the inner edge support frame is provided with an injection device through a guide rail, and the injection device is arranged at the tail end of a lifting rope of the suspension machine part and ascends and descends along the guide rail through the operation of the suspension machine part;
the spraying device is provided with a spraying assembly and a coating assembly matched with the spraying assembly; the spraying assembly is externally connected with a concrete input pipeline, and the coating assembly is arranged at the material output end of the spraying assembly and is used for coating concrete;
all be provided with the subassembly of contradicting towards the foundation ditch wall on support frame board and the interior support frame of following, injection apparatus's four corners all is provided with the support exterior angle subassembly, supports the exterior angle subassembly and supports between foundation ditch wall and injection apparatus.
As a further scheme of the invention: the injection device comprises an equipment outer frame and an equipment bracket arranged in the equipment outer frame; the equipment support divides the inner space of the equipment outer frame into an output interval and a coating interval, the injection assembly is erected in the output interval, the injection assembly is provided with a loading frame plate, and the loading frame plate is erected with an injection gun head.
As a further scheme of the invention: the loading frame plate is of a convex plate structure, the injection gun heads are arranged in the convex areas of the loading frame plate, the side edges of the convex areas are provided with positioning frames, the positioning frames are connected with the equipment support through locking bolts, and the positioning frames and the areas on the two sides of the loading frame plate are provided with elastic buffer rods.
As a further scheme of the invention: the coating assembly comprises a coating frame, a positioning frame and a transmission frame, the positioning frame is used for positioning the coating frame, the transmission frame is used for driving the coating frame, a fixing disc is arranged on the positioning frame, the coating frame is installed at the axis of the fixing disc through an installation shaft, a linkage bolt is arranged on the coating frame, and the transmission frame is connected with the linkage bolt.
As a further scheme of the invention: the transmission frame is installed in the output interval through the transmission disc, the output interval embeds there is driving motor, half-tooth helical gear is installed to driving motor's drive end, be provided with outer edge insection on the quotation of transmission disc, outer edge insection meshes with half-tooth helical gear mutually, the output interval still embeds there is the auxiliary frame, the transmission frame is connected with the auxiliary frame through reset spring again.
As a further scheme of the invention: the coating frame comprises side edge frames which are respectively arranged at two sides, clamping frame plates which are arranged on the side edge frames, and a material smearing roller which is arranged between the clamping frame plates, wherein a middle position extension frame is further arranged on the transmission frame, and a material scraping plate is arranged on the middle position extension frame.
As a further scheme of the invention: the conflict subassembly is including installing the location basal block on corresponding support frame plate or interior edge support frame respectively, installing the supporting shoe on the location basal block and setting up the frame of opening outward on the supporting shoe, the both sides of the frame of opening outward are provided with the elasticity brace, and the elasticity brace is outwards opened and be connected with the support curb plate between the elasticity brace.
As a still further scheme of the invention: the supporting outer angle component comprises a clamping outer plate and a supporting wheel seat, the clamping outer plate is respectively arranged in the corner area of the injection device, the supporting wheel seat is arranged on the clamping outer plate, an outer fixing frame is arranged on the supporting wheel seat, a wheel seat base plate and a branch support plate are respectively arranged on the outer fixing frame and are arranged on the oblique side edge of the wheel seat base plate, a main support spring is arranged between the wheel seat base plate and the clamping outer plate, and a side wing spring is further arranged between the branch support plate and the clamping outer plate.
Compared with the prior art, the invention has the beneficial effects that:
the support frame plate is erected on a foundation of an external area of a foundation pit, the inner edge of the support frame extends into an inner space of the foundation pit along the direction of the foundation pit, and a support base support of the support frame abuts against a bottom plane of the inner space of the foundation pit to form a bottom support structure; therefore, a stable supporting framework is formed between the concrete and the wall surface of the foundation pit during the concrete spraying operation.
The injection device is arranged on the inner edge support frame through a guide rail, and the height position of the injection device is controlled through a suspension machine part; the spraying assembly outputs concrete to the wall surface of the foundation pit, and the coating assembly synchronously and uniformly screeds the sprayed concrete on the wall surface of the foundation pit to form a uniform concrete wall surface; the design concrete carries out coating from bottom to top and handles to effectively prevent concrete coating from receiving the uneven problem of gravity influence coating, prevent the risk that foundation ditch soil layer sinks simultaneously.
In view of the defect of uneven wall surface of the foundation pit, the embodiment is further provided with a collision assembly and a supporting outer angle assembly, the collision assembly is supported between the supporting frame plate, the inner edge supporting frame and the wall surface of the foundation pit, and the supporting outer angle assembly is convenient for the injection device to move along the wall surface of the foundation pit, so that the smoothness of the whole concrete injection is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. Also, the drawings and the description are not intended to limit the scope of the present concepts in any way, but rather to illustrate the concepts of the present disclosure to those skilled in the art by reference to specific embodiments.
Fig. 1 is a schematic view of an overall structure of a concrete injection apparatus for foundation pit wall reinforcement according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an injection apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a coating assembly according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a collision component according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a supporting outer corner assembly according to an embodiment of the present invention.
In the figure: 11. a support frame plate; 12. an inner edge support frame; 13. a support base; 14. a suspension mechanism; 15. an injection device; 16. a spray assembly; 17. a coating assembly; 18. a collision component; 19. supporting the outer corner assembly; 21. an equipment outer frame; 22. an equipment support; 23. outputting the interval; 24. coating the interval; 31. a loading shelf plate; 32. spraying a gun head; 33. a positioning frame; 34. locking the bolt; 35. an elastic buffer rod; 41. a coating frame; 42. a positioning frame; 43. a transmission frame; 44. fixing the disc; 45. fixing the disc; 46. a linkage bolt; 51. a drive plate; 52. a drive motor; 53. a half-tooth helical gear; 54. outer edge insection; 55. an auxiliary frame; 56. a return spring; 61. a side frame; 62. clamping the frame plate; 63. a material smearing roller; 64. a middle extension frame; 65. a scraping plate; 71. positioning a base block; 72. a support block; 73. an abduction frame; 74. an elastic support piece; 75. supporting the side plates; 81. clamping an outer plate; 82. a support wheel seat; 83. an outer fixed frame; 84. a wheel base substrate; 85. dividing a support plate; 86. a main spring; 87. a side wing spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, examples of which are shown in the drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.
It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
In one embodiment;
referring to fig. 1, a concrete spraying apparatus for foundation pit wall reinforcement is provided, which includes a support frame plate 11, an inner edge support frame 12 installed on the support frame plate 11, and a support base 13 disposed at the bottom end of the inner edge support frame 12;
a suspension mechanism 14 is arranged on the support frame plate 11, an injection device 15 is arranged on the inner edge support frame 12 through a guide rail, the injection device 15 is arranged at the tail end of a lifting rope of the suspension mechanism 14 and ascends and descends along the guide rail through the operation of the suspension mechanism 14;
the spraying device 15 is provided with a spraying assembly 16 and a coating assembly 17 matched with the spraying assembly 16; the spraying assembly 16 is externally connected with a concrete input pipeline, and the coating assembly 17 is arranged at the material output end of the spraying assembly 16 and is used for coating concrete;
all be provided with conflict subassembly 18 towards the foundation ditch wall on support frame board 11 and the interior edge support frame 12, injection apparatus 15's four corners all is provided with supports outer angle subassembly 19, supports outer angle subassembly 19 and supports between foundation ditch wall and injection apparatus 15.
The concrete injection device of this embodiment is based on the design of foundation ditch wall, adopts hoist and mount formula structure to carry out the concrete injection operation along the foundation ditch wall. The support frame plate 11 is erected on a foundation of an external area of the foundation pit, is fixed on the foundation and is used for erecting related equipment components such as a concrete input pipeline and the like, extends into an inner space of the foundation pit along the direction of the foundation pit along the support frame 12, and a support base 13 of the support frame supports and abuts against a bottom plane of the inner space of the foundation pit to form a bottom support structure; therefore, a stable supporting framework is formed between the concrete and the wall surface of the foundation pit during the concrete spraying operation.
The injection device 15 is arranged on the inner edge support frame 12 through a guide rail, and the height position of the injection device 15 is controlled through the suspension mechanism 14; the spraying component 16 outputs concrete to the wall surface of the foundation pit, and the coating component 17 synchronously and uniformly screeds the sprayed concrete on the wall surface of the foundation pit; forming a uniform concrete wall.
The concrete of this embodiment design carries out coating from bottom to top and handles, falls to the bottom of foundation ditch with injection apparatus 15 earlier, pulls injection apparatus 15 from bottom to top and moves up, and concrete coating receives the influence of gravity to have the gliding trend, and coating unit 17 flattens coating from bottom to top and handles to effectively prevent that concrete coating from receiving the influence of gravity to coat uneven problem. Simultaneously this embodiment carries out the concrete fixation from the bottom of foundation ditch from bottom to top earlier to prevent the risk that the foundation ditch soil layer sinks.
In view of the defect of uneven wall surface of the foundation pit, the embodiment further designs an abutting assembly 18 and a supporting outer corner assembly 19, the abutting assembly 18 is supported between the supporting frame plate 11, the inner edge supporting frame 12 and the wall surface of the foundation pit, and the supporting outer corner assembly 19 facilitates the movement of the injection device 15 along the wall surface of the foundation pit, so that the fluency of the integral concrete injection is improved.
In one embodiment;
for the injection device 15, the embodiment is designed as follows:
referring to fig. 2, the injection device 15 includes an equipment housing 21 and an equipment support 22 disposed inside the equipment housing 21; the equipment support 22 divides the inner space of the equipment outer frame 21 into an output section 23 and a coating section 24, the injection assembly 16 is erected in the output section 23, a loading frame plate 31 is arranged on the injection assembly 16, an injection gun head 32 is erected on the loading frame plate 31, and the injection gun head 32 is externally connected with concrete supply equipment through a conduit. The outer frame 21 is a main body of the housing structure of the injection device 15, and is designed as a concave frame structure as a whole.
In one case of the present embodiment,
referring to fig. 2, for the spray gun head 32, in the embodiment, a loading frame plate 31 is designed to be mounted on an equipment support 22, the spray gun head 32 is erected on the loading frame plate 31, the loading frame plate 31 is of a convex plate structure, the spray gun head 32 is arranged in a convex area of the loading frame plate 31, a positioning frame 33 is arranged on a side edge of the convex area, and the positioning frame 33 is connected with the equipment support 22 through a locking bolt 34, so that the spray gun head 32 is positioned and mounted, the positioning frame 33 for fixing the spray gun head 32 and the two side areas of the loading frame plate 31 are provided with elastic buffer rods 35, the effect of buffering the mounting area of the spray gun head 32 is achieved, the impact force during concrete spraying is avoided, the spray gun head 32 and even the loading frame plate 31 are prevented from vibrating, the uniformity of concrete spraying is improved, and the influence on the wall surface of a foundation pit is reduced.
In one case of the present embodiment,
for the coating unit 17, the present embodiment is designed as follows;
referring to fig. 3, the coating assembly 17 includes a coating frame 41, a positioning frame 42 for positioning the coating frame 41, and a transmission frame 43 for driving the coating frame 41, the positioning frame 42 is provided with a fixing plate 44, the coating frame 41 is mounted on an axis of the fixing plate 44 through a mounting shaft 45, the coating frame 41 is provided with a linkage bolt 46, and the transmission frame 43 is connected with the linkage bolt 46. For the coating assembly 17, the coating frame 41 is designed to be the working end for concrete leveling in this embodiment, and the transmission frame 43 drives the coating frame 41 to swing by taking the mounting shaft 45 as an axis, so as to drive the coating frame 41 to level the concrete material.
The transmission frame 43 adopts the following driving mode;
referring to fig. 3, the transmission frame 43 is installed in the output section 23 through a transmission disc 51, a transmission motor 52 is installed in the output section 23, a half-tooth helical gear 53 is installed at a driving end of the transmission motor 52, an outer edge insection 54 is installed on a disc surface of the transmission disc 51, the outer edge insection 54 is meshed with the half-tooth helical gear 53, an auxiliary frame 55 is further installed in the output section 23, and the transmission frame 43 is connected with the auxiliary frame 55 through a return spring 56.
During operation, the transmission motor 52 is a power source, the transmission motor 52 drives the half-tooth helical gear 53 to move, and the half-tooth helical gear 53 drives the transmission disc 51 to move through the meshing of the insections; meanwhile, due to the incomplete insection design of the half-tooth helical gear 53, the half-tooth helical gear 53 is intermittently meshed with the outer edge insection 54 in the whole rotation period; therefore, when the half-tooth helical gear 53 is meshed with the outer edge insection 54, the coating rack 41 is driven to rotate, and when the half-tooth helical gear 53 is separated from the outer edge insection 54, the reset spring 56 pulls the coating rack 41 to reset, so that the effect of periodic reciprocating swing is achieved, the coating condition of concrete can be effectively satisfied, and the concrete is trowelled in a reciprocating manner along with the movement of the spraying device 15 from bottom to top.
In one case of the present embodiment,
referring to fig. 2, the specific structure of the coating frame 41 is designed as follows, the coating frame 41 includes side edge frames 61 respectively arranged at two sides, clamping frame plates 62 mounted on the side edge frames 61, and a material applying roller 63 mounted between the clamping frame plates 62, the transmission frame 43 is further provided with a middle extension frame 64, and the middle extension frame 64 is provided with a scraper 65. The material smearing roller 63 is in contact with concrete and used for flattening the concrete, and the material scraping plate 65 is arranged on the upper edge of the periphery of the material smearing roller 63 and used for scraping the concrete adhered to the material smearing roller 63 and avoiding the concrete from being adhered and accumulated on the material smearing roller 63.
In one embodiment;
referring to fig. 4, the abutting assembly 18 includes a positioning base block 71 mounted on the corresponding support frame plate 11 or the inner edge support frame 12, a support block 72 mounted on the positioning base block 71, and an outward-extending frame 73 disposed on the support block 72, wherein elastic support pieces 74 are disposed on two sides of the outward-extending frame 73, the elastic support pieces 74 are outwardly extended, and a support side plate 75 is connected between the elastic support pieces 74.
This embodiment is provided with conflict subassembly 18 in support frame board 11, interior along support frame 12 and foundation ditch pithead region, the inner wall region of foundation ditch pithead, conflict subassembly 18 is provided with outer frame 73 towards the soil layer position of foundation ditch, and elasticity props piece 74 and outwards opens and be connected with between the elasticity props piece 74 and support curb plate 75, is the elastic support structure of deformability to can adapt to unevenness's soil layer, be used for keeping the support effect to the soil layer.
In one embodiment;
referring to fig. 5, the supporting outer corner assembly 19 includes an engaging outer plate 81 respectively mounted on the corner region of the injection device 15, and a supporting wheel seat 82 mounted on the engaging outer plate 81, an outer fixing frame 83 is disposed on the supporting wheel seat 82, a wheel seat base plate 84 and a branch frame plate 85 disposed on the oblique side edge of the wheel seat base plate 84 are respectively mounted on the outer fixing frame 83, a main support spring 86 is disposed between the wheel seat base plate 84 and the engaging outer plate 81, and a side wing spring 87 is further disposed between the branch frame plate 85 and the engaging outer plate 81.
The corner regions of the injection device 15 are provided with supporting wheel seats 82 through clamping outer plates 81, and the supporting wheel seats 82 are arranged at the four corners of the injection device 15; the supporting wheel seat 82 is supported obliquely towards the outer side of the spraying device 15, the supporting wheel seat 82 is installed elastically, the main branch spring 86 forms main supporting force for the supporting wheel seat 82, and the side wing spring 87 forms oblique supporting effect for the main branch spring 86 on the basis of the main supporting direction of the main branch spring, so that the supporting wheel seat 82 is pushed to form tension towards the outer side; thereby on the one hand, injection apparatus 15 walks along foundation ditch soil layer surface through supporting wheel seat 82 to adapt to the trend of soil layer surface unevenness, on the other hand follow the four corners position and start, form the elastic support effect of outer open type to injection apparatus 15's inner space, thereby reduce the impact effect that the concrete injection brought, slow down the vibration influence of concrete injection.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A concrete injection device for foundation pit wall reinforcement comprises a support frame plate, an inner edge support frame arranged on the support frame plate, and a support base arranged at the bottom end of the inner edge support frame; it is characterized in that the preparation method is characterized in that,
the support frame plate is provided with a suspension machine part, the inner edge support frame is provided with an injection device through a guide rail, and the injection device is arranged at the tail end of a lifting rope of the suspension machine part and ascends and descends along the guide rail through the operation of the suspension machine part;
the spraying device is provided with a spraying assembly and a coating assembly matched with the spraying assembly; the spraying assembly is externally connected with a concrete input pipeline, and the coating assembly is arranged at the material output end of the spraying assembly and is used for coating concrete;
all be provided with the subassembly of contradicting towards the foundation ditch wall on support frame board and the interior support frame of following, injection apparatus's four corners all is provided with the support exterior angle subassembly, supports the exterior angle subassembly and supports between foundation ditch wall and injection apparatus.
2. The concrete injection apparatus for foundation pit wall reinforcement according to claim 1, wherein the injection apparatus comprises an equipment outer frame and an equipment support provided inside the equipment outer frame; the equipment support divides the inner space of the equipment outer frame into an output interval and a coating interval, the injection assembly is erected in the output interval, the injection assembly is provided with a loading frame plate, and the loading frame plate is erected with an injection gun head.
3. The concrete injection device for foundation pit wall reinforcement according to claim 2, wherein the loading frame plate is of a convex plate structure, the injection gun head is arranged in a convex area of the loading frame plate, a positioning frame is arranged on the side edge of the convex area, the positioning frame is connected with the equipment support through a locking bolt, and elastic buffer rods are arranged on the positioning frame and two side areas of the loading frame plate.
4. The concrete injection device for foundation pit wall reinforcement according to claim 3, wherein the coating assembly comprises a coating frame, a positioning frame for positioning the coating frame, and a transmission frame for driving the coating frame, wherein the positioning frame is provided with a fixed disc, the coating frame is mounted at the axis of the fixed disc through a mounting shaft, the coating frame is provided with a linkage bolt, and the transmission frame is connected with the linkage bolt.
5. The concrete injection device for foundation pit wall reinforcement according to claim 4, wherein the transmission frame is mounted in an output section through a transmission disc, a transmission motor is arranged in the output section, a half-tooth helical gear is mounted at a driving end of the transmission motor, an outer edge insection is arranged on a disc surface of the transmission disc, the outer edge insection is meshed with the half-tooth helical gear, an auxiliary frame is further arranged in the output section, and the transmission frame is connected with the auxiliary frame through a return spring.
6. The concrete injection device for foundation pit wall reinforcement according to claim 5, wherein the coating frame comprises side edge frames respectively arranged at two sides, clamping frame plates arranged on the side edge frames, and a coating roller arranged between the clamping frame plates, the transmission frame is further provided with a middle extension frame, and the middle extension frame is provided with a scraper plate.
7. The concrete injection apparatus for foundation pit wall reinforcement according to claim 1, wherein the abutting assembly comprises a positioning base block mounted on the corresponding support frame plate or inner edge support frame, a support block mounted on the positioning base block, and an expanding frame disposed on the support block, wherein elastic support pieces are disposed on both sides of the expanding frame, the elastic support pieces are expanded outward, and support side plates are connected between the elastic support pieces.
8. The concrete injection apparatus for foundation pit wall reinforcement according to claim 1, wherein the supporting outer corner assembly comprises an outer engaging plate and a supporting wheel seat, the outer engaging plate is mounted on the outer engaging plate, the supporting wheel seat is provided with an outer fixing frame, the outer fixing frame is provided with a wheel seat base plate and a branch support plate arranged on the oblique side edge of the wheel seat base plate, a main support spring is arranged between the wheel seat base plate and the outer engaging plate, and a side wing spring is further arranged between the branch support plate and the outer engaging plate.
CN202111342296.1A 2021-11-12 2021-11-12 Concrete spraying device for reinforcing foundation pit wall surface Active CN114215067B (en)

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CN114215067B CN114215067B (en) 2023-07-21

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