CN111676953B - Mixed foundation treatment machine and working method thereof - Google Patents
Mixed foundation treatment machine and working method thereof Download PDFInfo
- Publication number
- CN111676953B CN111676953B CN202010629577.4A CN202010629577A CN111676953B CN 111676953 B CN111676953 B CN 111676953B CN 202010629577 A CN202010629577 A CN 202010629577A CN 111676953 B CN111676953 B CN 111676953B
- Authority
- CN
- China
- Prior art keywords
- cutter head
- working arm
- tool rest
- soil
- driven shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000002689 soil Substances 0.000 claims abstract description 50
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 230000006872 improvement Effects 0.000 claims abstract description 9
- 238000007790 scraping Methods 0.000 claims description 32
- 239000002002 slurry Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000003516 soil conditioner Substances 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 238000001723 curing Methods 0.000 description 23
- 238000010276 construction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000005067 remediation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
- E02D3/126—Consolidating by placing solidifying or pore-filling substances in the soil and mixing by rotating blades
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention relates to a mixed foundation treatment machine and a working method thereof, wherein the mixed foundation treatment machine comprises a main body and a working arm; the main body consists of a traveling device, a hydraulic power system, a driving control room and a mechanical arm; the working arm consists of a working arm body, a connecting disc, a motor speed reducer, a chain transmission device, an upper tool rest, a lower tool rest, a guniting pipe and a guide block; the hydraulic power system provides power for the motor speed reducer, the motor speed reducer drives the driving sprocket to rotate, and the driving sprocket drives the upper tool rest and the lower tool rest to rotate around the horizontal axis through the chain; the guniting pipe is arranged on the working arm body. The invention is a mixed foundation treatment device which is convenient to move, simple to operate, reliable in work, low in cost, low in noise and environment-friendly, a double-layer tool rest is pressed into soil through a working arm to stir, a curing agent or a soil conditioner is injected into the soil through a guniting pipe, and the curing of a soft foundation or the organic improvement of polluted soil can be conveniently and rapidly realized.
Description
Technical Field
The invention relates to the technical field of foundation solidification and soil remediation, in particular to a mixed foundation treatment machine and a working method thereof.
Background
The foundation solidification refers to that the natural foundation is soft and cannot meet the requirements of foundation strength, deformation and the like, and the foundation needs to be treated in advance, namely, the engineering characteristics of the foundation are improved by using the methods of rolling and tamping, cushion layer replacement, drainage consolidation, vibration compaction, replacement, mixing, reinforcement and the like, so that the purpose of reinforcement is achieved. The foundation curing mainly comprises beach marsh curing, road foundation curing, site curing, dam reinforcement and the like.
The above curing methods have various disadvantages in most cases. The disadvantage of such rolling and tamping methods is that the quality is not controllable, spring soil is easy to form, construction vibration and noise are large, and influence is brought to surrounding buildings and environment. The method for replacing the filling cushion layer has large workload and is not suitable for soil layer operation with the depth exceeding 3 meters. The drainage consolidation method is divided into a plastic drainage plate combined stacking method and a plastic drainage plate combined vacuum preloading method, and has the defects of long construction period, unsatisfactory solid base effect and inapplicability to weak soil with poor permeability. The vibration compaction method has the defects of noise and sewage, and has adverse effects on the surrounding environment. The composite foundation method can be concretely divided into methods such as vibroflotation replacement, deep stirring, high-pressure injection grouting, lime pile and the like, special technical measures are needed to be adopted to replace part of weak soil in the weak soil foundation by sand, broken stone and the like, the engineering speed is low, and the equipment is heavy. The reinforcement method is to embed the reinforcement materials such as geosynthetic materials and steel sheets with high strength in foundation soil, and has the defect of high cost.
Because the conventional foundation curing method has the problems, a foundation curing device which is convenient to move, simple to operate, reliable in quality, low in cost, low in noise and environment-friendly is needed.
In addition, according to the report of national soil pollution Condition investigation publication, the condition of the soil environment in China is generally optimistic, and the quality of the soil environment in cultivated land is in the spotlight, and meanwhile, the problem of the abandoned soil environment of industrial and mining enterprises is more remarkable; in recent years, many places are being remediated with cultivated land, industrial land, and mining land by soil remediation methods. However, the traditional soil restoration method has relatively high restoration cost and unsatisfactory restoration effect, and a soil restoration method with low restoration cost and good restoration effect is urgently needed.
Disclosure of Invention
The invention provides a mixed foundation treatment machine and a working method thereof, wherein the mixed foundation treatment machine is mixed foundation treatment equipment which is convenient to move, simple to operate, reliable in work, low in cost, low in noise and environment-friendly, a double-layer tool rest is pressed into soil through a working arm to stir, and a curing agent or a soil conditioner is injected into the soil through a slurry spraying pipe, so that the curing of a soft foundation or the organic improvement of polluted soil can be conveniently and rapidly realized.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
A mixed foundation treatment machine comprises a main body and a working arm; the main machine body consists of a traveling device, a hydraulic power system arranged on the traveling device, a driving control room and a mechanical arm, wherein the hydraulic power system provides power for the mechanical arm, and the driving control room is provided with a control console for controlling the traveling device, the hydraulic power system and the mechanical arm to act; the working arm consists of a working arm body, a connecting disc, a motor speed reducer, a chain transmission device, an upper tool rest, a lower tool rest, a guniting pipe and a guide block; the connecting disc is arranged at the upper end of the working arm body and is used for connecting the mechanical arm and the working arm body; the motor speed reducer and the driving chain wheel in the chain transmission device are arranged at the upper part of the working arm body, the upper tool rest is arranged at the lower part of the working arm body, and the lower tool rest and the guide block are arranged at the bottom of the working arm body; the hydraulic power system provides power for the motor speed reducer, the motor speed reducer drives the driving sprocket to rotate, and the driving sprocket drives the upper tool rest and the lower tool rest to rotate around the horizontal axis through the chain; the guniting pipe is arranged on the working arm body.
The chain transmission device consists of a driving shaft, a driving sprocket, a chain, an upper driven shaft, an upper driven sprocket, a lower driven shaft and a lower driven sprocket, wherein the driving shaft, the upper driven shaft and the lower driven shaft are respectively and rotatably connected with corresponding parts of the working arm body, the driving sprocket is arranged on the driving shaft, the upper driven sprocket is arranged on the upper driven shaft, and the lower driven sprocket is arranged on the lower driven shaft; the power output shaft of the motor speed reducer is connected with a driving shaft, the driving shaft drives a driving sprocket to rotate around a horizontal axis, and the driving sprocket drives an upper driven sprocket and a lower driven sprocket to rotate around corresponding horizontal axes through a chain; the upper tool rest is fixed on the upper driven shaft and rotates along with the upper driven shaft, and the lower tool rest is fixed on the lower driven shaft and rotates along with the lower driven shaft.
The upper tool rest is composed of 2 groups of upper rotary tool bits arranged on two sides of the working arm body, each group of upper rotary tool bits is at least provided with 3 upper tool bits, and each upper tool bit is uniformly arranged along the circumferential direction of an upper driven shaft; the lower knife rest comprises 2 groups of lower rotary knife heads arranged on two sides of the working arm body, each group of lower rotary knife heads is at least provided with 3 lower knife heads, and each lower knife head is uniformly arranged along the circumference of the lower driven shaft.
The upper rotary cutter head consists of an upper cutter head bracket and an upper cutter head, and the upper cutter head consists of an upper cutter head connecting plate, an upper cutter head scraping plate and an upper cutter head rib plate; the upper cutter head support is fixedly connected with an upper driven shaft, the inner end of the upper cutter head connecting plate is detachably connected with the upper cutter head support, the outer end of the upper cutter head connecting plate is connected with the upper cutter head scraping plate, and the upper cutter head scraping plate is a long strip plate; the length direction of the upper cutter head scraping plate of each upper cutter head is parallel to the horizontal direction, and the width direction is arranged along the tangential direction of the same circumference; an upper tool bit rib plate is arranged between the upper tool bit connecting plate and the upper tool bit scraping plate.
The lower rotary cutter head consists of a lower cutter head bracket and a lower cutter head, and the lower cutter head consists of a lower cutter head connecting plate, a lower cutter head scraping plate, a lower cutter head rib plate and a lower cutter head toothed plate; the lower cutter head support is fixedly connected with a lower driven shaft, the inner end of the lower cutter head connecting plate is detachably connected with the lower cutter head support, the outer end of the lower cutter head connecting plate is connected with the lower cutter head scraping plate, and the lower cutter head scraping plate is a long strip plate; the length direction of the lower cutter head scraping plate of each lower cutter head is parallel to the horizontal direction, and the width direction is arranged along the tangential direction of the same circumference; an upper cutter rib plate is arranged between the upper cutter connecting plate and the upper cutter scraping plate; the outer side of the lower cutter bit scraping plate is provided with a plurality of lower cutter bit toothed plates along the length direction at intervals, the tooth direction of the lower cutter bit toothed plates and the radial direction of a lower driven shaft form an included angle, the tooth directions of the lower cutter bit toothed plates on the same group of rotary cutter bits are the same, and the tooth directions of the lower cutter bit toothed plates on the 2 groups of rotary cutter bits are opposite.
The chain transmission device is also provided with 2 tensioning wheels, and the 2 tensioning wheels are respectively arranged on the outer sides of the chains above the upper driven chain wheels; the periphery of the chain transmission device is provided with a protective cover, the protective cover is formed by buckling 2 cover bodies together, and the buckling parts are fixedly connected through bolts.
The main body adopts an excavator without a bucket.
The cross section of the guide block is tapered in a way of narrowing downwards; the bottom surface of the guide block is lower than the lowest surface of the lower tool bit.
The slurry inlet of the slurry spraying pipe is connected with the slurry stirring device through the conveying pump, the slurry outlet of the slurry spraying pipe is close to the bottom of the working arm, and the opening direction is vertical downwards.
The working method of the mixed foundation treatment machine comprises the following steps:
The connecting disc is connected with the mechanical arm, and the working arm is connected with the main machine body into a whole; the mechanical arm is used for adjusting the working position of the working arm and realizing working feeding, the hydraulic power system provides power for the action of the whole machine, the control table is arranged in the driving control chamber and used for controlling the action of the whole machine, and the travelling device is used for driving the whole machine to move and travel along a working path;
The hydraulic power system provides power for the motor speed reducer, the control console in the driving control room controls the power output shaft of the motor speed reducer to rotate clockwise or anticlockwise, the motor speed reducer drives the driving sprocket to rotate, and the driving sprocket drives the upper driven sprocket and the lower driven sprocket to synchronously rotate through the chain; the upper driven sprocket is connected with the upper tool rest through an upper driven shaft, the lower driven sprocket is connected with the lower tool rest through a lower driven shaft, the upper tool rest is driven to rotate when the upper driven sprocket rotates, and the lower tool rest is driven to rotate when the lower driven sprocket rotates; when the upper tool rest and the lower tool rest rotate, the corresponding upper tool bit and lower tool bit rotate to cut soil, the mechanical arm drives the working arm to vertically or obliquely move up and down in the soil, the soil is fully stirred, and meanwhile, the slurry spraying pipe sprays curing liquid or soil improvement liquid into the soil after cutting and stirring, and the curing liquid or soil improvement liquid is uniformly mixed with the soil to achieve the purposes of curing and improving the soil;
the tensioning wheel is used for adjusting tightness of the chain, the guide block has a guide effect except when the working arm moves up and down, and is used for supporting the working arm when the working arm does not work, so that the lower cutter head is prevented from directly contacting the ground, and the cutter is not damaged.
Compared with the prior art, the invention has the beneficial effects that:
1) The invention adopts a standard excavator main machine body to connect a special working arm, the working arm is provided with an upper layer of stirring device, a lower layer of stirring device, a left-right symmetry stirring device and a guniting pipe, a curing agent or a soil conditioner is injected through the guniting pipe, and the working arm is stirred up and down to realize the curing of a soft soil foundation and the organic improvement of polluted soil; the invention utilizes the mature technology and the large-scale production advantage of the standard excavator, is provided with the working arm which can be replaced conveniently, achieves the purposes of convenient movement, simple operation, low cost, low noise and environmental protection, and is ideal and novel mixed foundation treatment equipment for replacing the conventional soft foundation curing common work method;
2) The upper tool rest and the lower tool rest arranged on the working arm can double stir soil to obtain good curing effect, and the operation is simple;
3) The construction efficiency is high, the construction period is short, and the construction cost is reduced;
4) The construction noise is low, and no sewage is discharged;
5) The main body can adopt an excavator without a bucket, so that the equipment has strong universality, convenient movement and small volume, and can work even in a narrow space;
6) The method is suitable for curing and repairing various soft soil, and the curing material can be powdery or pasty curing material;
7) The addition amount of the curing material can be set according to the required foundation strength, waste is avoided, and the foundation strength can be gradually improved from low to high.
Drawings
Fig. 1 is a schematic structural diagram of a hybrid foundation treatment machine according to the present invention.
Fig. 2 is a front view of the working arm of the present invention.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is A-A view of fig. 2.
Fig. 5 is a schematic perspective view of a working arm according to the present invention.
Fig. 6 is a schematic perspective view of a second embodiment of the working arm according to the present invention.
In the figure: 1. main body 11, running gear 12, hydraulic power system 13, cab 14, mechanical arm 2, working arm 21, connecting disk 22, motor reducer 23, upper blade carrier 231, upper blade 24, chain drive 241, drive sprocket 242, chain 243, upper driven sprocket 244, lower driven sprocket 245, tensioner 25, lower blade carrier 251, lower blade 252, lower blade toothed plate 26, slurry pipe 27, guide block 28, protective cover
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
As shown in fig. 1, the hybrid foundation treatment machine of the present invention comprises a main body 1 and a working arm 2; the main machine body 1 consists of a traveling device 11, a hydraulic power system 12 arranged on the traveling device 11, a driving control room 13 and a mechanical arm 14, wherein the hydraulic power system 12 provides power for the mechanical arm 14, and the driving control room 13 is provided with a control table for controlling the traveling device 11, the hydraulic power system 12 and the mechanical arm 14 to act; as shown in fig. 2-6, the working arm 2 is composed of a working arm body, a connecting disc 21, a motor speed reducer 22, a chain transmission device 24, an upper tool rest 23, a lower tool rest 25, a guniting pipe 26 and a guide block 27; the connecting disc 21 is arranged at the upper end of the working arm body and is used for connecting the mechanical arm 14 and the working arm body; the motor speed reducer 22 and the driving sprocket 241 in the chain transmission device 24 are arranged at the upper part of the working arm body, the upper tool rest 23 is arranged at the lower part of the working arm body, and the lower tool rest 25 and the guide block 27 are arranged at the bottom of the working arm body; the hydraulic power system 12 provides power for the motor speed reducer 22, the motor speed reducer 22 drives the driving sprocket 241 to rotate, and the driving sprocket 241 drives the upper tool rest 23 and the lower tool rest 24 to rotate around the horizontal axis through the chain 242; the guniting pipe 26 is provided on the working arm body.
The chain transmission device 24 is composed of a driving shaft, a driving sprocket 241, a chain 242, an upper driven shaft, an upper driven sprocket 243, a lower driven shaft and a lower driven sprocket 244, wherein the driving shaft, the upper driven shaft and the lower driven shaft are respectively and rotatably connected with the corresponding parts of the working arm body, the driving sprocket 241 is arranged on the driving shaft, the upper driven sprocket 243 is arranged on the upper driven shaft, and the lower driven sprocket 244 is arranged on the lower driven shaft; the power output shaft of the motor speed reducer 22 is connected with a driving shaft, the driving shaft drives a driving sprocket 241 to rotate around a horizontal axis, and the driving sprocket 241 drives an upper driven sprocket 243 and a lower driven sprocket 244 to rotate around corresponding horizontal axes through a chain 242; the upper tool holder 23 is fixed to and rotates with the upper driven shaft, and the lower tool holder 25 is fixed to and rotates with the lower driven shaft.
The upper tool rest 23 is composed of 2 groups of upper rotary tool bits arranged on two sides of the working arm body, each group of upper rotary tool bits is at least provided with 3 upper tool bits 231, and each upper tool bit 231 is uniformly arranged along the circumferential direction of an upper driven shaft.
The upper rotary cutter head consists of an upper cutter head bracket and an upper cutter head 231, and the upper cutter head 231 consists of an upper cutter head connecting plate, an upper cutter head scraping plate and an upper cutter head rib plate; the upper cutter head support is fixedly connected with an upper driven shaft, the inner end of the upper cutter head connecting plate is detachably connected with the upper cutter head support, the outer end of the upper cutter head connecting plate is connected with the upper cutter head scraping plate, and the upper cutter head scraping plate is a long strip plate; the length direction of the upper bit scraping plate of each upper bit 231 is parallel to the horizontal direction, and the width direction is arranged along the tangential direction of the same circumference; an upper tool bit rib plate is arranged between the upper tool bit connecting plate and the upper tool bit scraping plate.
The lower tool rest 25 is composed of 2 groups of lower rotary tool bits arranged on two sides of the working arm body, each group of lower rotary tool bits is at least provided with 3 lower tool bits 251, and each lower tool bit 251 is uniformly arranged along the circumferential direction of a lower driven shaft.
The lower rotary cutter head consists of a lower cutter head bracket and a lower cutter head 251, and the lower cutter head 251 consists of a lower cutter head connecting plate, a lower cutter head scraping plate, a lower cutter head rib plate and a lower cutter head toothed plate 252; the lower cutter head support is fixedly connected with a lower driven shaft, the inner end of the lower cutter head connecting plate is detachably connected with the lower cutter head support, the outer end of the lower cutter head connecting plate is connected with the lower cutter head scraping plate, and the lower cutter head scraping plate is a long strip plate; the length direction of the lower bit scraping plate of each lower bit 251 is parallel to the horizontal direction, and the width direction is arranged along the tangential direction of the same circumference; an upper cutter rib plate is arranged between the upper cutter connecting plate and the upper cutter scraping plate; the outer side of the lower cutter bit scraping plate is provided with a plurality of lower cutter bit toothed plates 252 at intervals along the length direction, an included angle is formed between the tooth direction of the lower cutter bit toothed plates 252 and the radial direction of a lower driven shaft, the tooth directions of the lower cutter bit toothed plates 252 on the same group of rotary cutter bits are the same, and the tooth directions of the lower cutter bit toothed plates 252 on the 2 groups of lower rotary cutter bits are opposite.
The chain transmission device 24 is also provided with 2 tension pulleys 245,2 and 245 which are respectively arranged on the outer side of the chain 242 above the upper driven sprocket 243; the chain transmission device 24 is provided with a protective cover 28 at the periphery, the protective cover 28 is formed by buckling 2 cover bodies together, and the buckling parts are fixedly connected through bolts.
The main body 1 is an excavator without a bucket.
The cross section of the guide block 27 is tapered and narrowed downwards; the bottom surface of guide block 27 is lower than the lowest surface of lower bit 251.
The slurry inlet of the slurry spraying pipe 26 is connected with a slurry stirring device through a delivery pump, the slurry outlet of the slurry spraying pipe 26 is arranged close to the bottom of the working arm 2, and the opening direction is vertically downward.
The working method of the mixed foundation treatment machine comprises the following steps:
the connection pad 21 is connected to the arm 14, and connects the arm 2 to the main body 1 as a unit. The mechanical arm 14 is used for adjusting the working position of the working arm 2 and realizing working feeding, the hydraulic power system 12 provides power for the action of the whole machine, the driving control room 13 is internally provided with a control table for controlling the action of the whole machine, and the traveling device 11 is used for driving the whole machine to move and travel along a working path;
the hydraulic power system 12 provides power for the motor speed reducer 22, the power output shaft of the motor speed reducer 22 is controlled to rotate clockwise or anticlockwise through a console in the driving cab 13, the motor speed reducer 22 drives the driving sprocket 241 to rotate, and the driving sprocket 241 drives the upper driven sprocket 243 and the lower driven sprocket 244 to rotate synchronously through a chain 242; the upper driven sprocket 243 is connected with the upper tool rest 23 through an upper driven shaft, the lower driven sprocket 244 is connected with the lower tool rest 25 through a lower driven shaft, the upper tool rest 23 is driven to rotate when the upper driven sprocket 243 rotates, and the lower tool rest 25 is driven to rotate when the lower driven sprocket 244 rotates; when the upper tool rest 23 and the lower tool rest 25 rotate, the corresponding upper tool bit 231 and lower tool bit 251 rotate to cut soil, the mechanical arm 14 drives the working arm 2 to vertically or obliquely move up and down in the soil, the soil is fully stirred, and simultaneously the slurry spraying pipe 26 sprays curing liquid or soil improvement liquid into the soil after cutting and stirring, and the curing liquid or soil improvement liquid and the soil are uniformly mixed to achieve the purposes of curing and improving the soil;
The tensioning wheel 245 is used for adjusting tightness of the chain 242, and the guide block 27 has a guiding function when the working arm 2 moves up and down, and is used for supporting the working arm 2 when the working arm 2 does not work, so that the lower cutter head 251 is prevented from directly contacting the ground, and the cutter is not damaged.
The invention relates to a mixed foundation treatment machine which comprises 2 main parts, namely a main machine body 1 and a working arm 2.
The working arm 2 is a main part of the innovative design of the invention, and consists of a connecting disc 21, a motor reducer 22, an upper tool rest 23, a working arm body, a lower tool rest 25, a driving sprocket 241, a chain 242, a tensioning wheel 245, an upper driven sprocket 243, a lower driven sprocket 244, a guide block 27, a guniting pipe 26 and other parts.
The main body 1 can adopt a conventional excavator without a bucket, and mainly comprises a mechanical arm 14, a hydraulic power system 12, a driving control room 13 and a traveling device 11. The specific structure is conventional technology, and will not be described in detail here.
The invention adopts the structure of the main machine body and the working arm, has convenient and fast integral movement, simple operation and flexible action, can enter narrow and sloping zones for operation, and has the power part exposed outside the soil during operation, thereby reducing the failure rate and being convenient for maintenance. The setting of 2 layers of stirring knife rest is favorable to soil depths operation and stirring, improves the operating efficiency. As the excavator has realized industrialization and large-scale production, related operations can be carried out only by adding the working arm, thereby greatly reducing the equipment cost. The soil conditioner is injected through the slurry spraying pipe, and then the working arm is used for stirring up and down, so that the polluted soil can be organically repaired and improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The mixed foundation treatment machine is characterized by comprising a main machine body and a working arm; the main machine body adopts an excavator without a bucket and consists of a traveling device, a hydraulic power system arranged on the traveling device, a driving control room and a mechanical arm, wherein the hydraulic power system provides power for the mechanical arm, and the driving control room is provided with a control platform for controlling the traveling device, the hydraulic power system and the mechanical arm to act; the working arm consists of a working arm body, a connecting disc, a motor speed reducer, a chain transmission device, an upper tool rest, a lower tool rest, a guniting pipe and a guide block; the connecting disc is arranged at the upper end of the working arm body and is used for connecting the mechanical arm and the working arm body; the motor speed reducer and the driving chain wheel in the chain transmission device are arranged at the upper part of the working arm body, the upper tool rest is arranged at the lower part of the working arm body, and the lower tool rest and the guide block are arranged at the bottom of the working arm body; the hydraulic power system provides power for the motor speed reducer, the motor speed reducer drives the driving sprocket to rotate, and the driving sprocket drives the upper tool rest and the lower tool rest to rotate around the horizontal axis through the chain; the guniting pipe is arranged on the working arm body; the chain transmission device consists of a driving shaft, a driving sprocket, a chain, an upper driven shaft, an upper driven sprocket, a lower driven shaft and a lower driven sprocket, wherein the driving shaft, the upper driven shaft and the lower driven shaft are respectively and rotatably connected with corresponding parts of the working arm body, the driving sprocket is arranged on the driving shaft, the upper driven sprocket is arranged on the upper driven shaft, and the lower driven sprocket is arranged on the lower driven shaft; the power output shaft of the motor speed reducer is connected with a driving shaft, the driving shaft drives a driving sprocket to rotate around a horizontal axis, and the driving sprocket drives an upper driven sprocket and a lower driven sprocket to rotate around corresponding horizontal axes through a chain; the upper tool rest is fixed on the upper driven shaft and rotates along with the upper driven shaft, and the lower tool rest is fixed on the lower driven shaft and rotates along with the lower driven shaft; the upper tool rest is composed of 2 groups of upper rotary tool bits arranged on two sides of the working arm body, each group of upper rotary tool bits is at least provided with 3 upper tool bits, and each upper tool bit is uniformly arranged along the circumferential direction of an upper driven shaft; the lower knife rest comprises 2 groups of lower rotary knife heads arranged on two sides of the working arm body, each group of lower rotary knife heads is at least provided with 3 lower knife heads, and each lower knife head is uniformly arranged along the circumference of the lower driven shaft.
2. The machine of claim 1, wherein the upper rotary cutter head comprises an upper cutter head bracket and an upper cutter head, and the upper cutter head comprises an upper cutter head connecting plate, an upper cutter head scraping plate and an upper cutter head rib plate; the upper cutter head support is fixedly connected with an upper driven shaft, the inner end of the upper cutter head connecting plate is detachably connected with the upper cutter head support, the outer end of the upper cutter head connecting plate is connected with the upper cutter head scraping plate, and the upper cutter head scraping plate is a long strip plate; the length direction of the upper cutter head scraping plate of each upper cutter head is parallel to the horizontal direction, and the width direction is arranged along the tangential direction of the same circumference; an upper tool bit rib plate is arranged between the upper tool bit connecting plate and the upper tool bit scraping plate.
3. The machine of claim 1, wherein the lower rotary cutter head comprises a lower cutter head bracket and a lower cutter head, and the lower cutter head comprises a lower cutter head connecting plate, a lower cutter head scraper, a lower cutter head rib plate and a lower cutter head toothed plate; the lower cutter head support is fixedly connected with a lower driven shaft, the inner end of the lower cutter head connecting plate is detachably connected with the lower cutter head support, the outer end of the lower cutter head connecting plate is connected with the lower cutter head scraping plate, and the lower cutter head scraping plate is a long strip plate; the length direction of the lower cutter head scraping plate of each lower cutter head is parallel to the horizontal direction, and the width direction is arranged along the tangential direction of the same circumference; an upper cutter rib plate is arranged between the upper cutter connecting plate and the upper cutter scraping plate; the outer side of the lower cutter bit scraping plate is provided with a plurality of lower cutter bit toothed plates along the length direction at intervals, the tooth direction of the lower cutter bit toothed plates and the radial direction of a lower driven shaft form an included angle, the tooth directions of the lower cutter bit toothed plates on the same group of rotary cutter bits are the same, and the tooth directions of the lower cutter bit toothed plates on the 2 groups of rotary cutter bits are opposite.
4. The machine for treating the mixed foundation according to claim 1, wherein the chain transmission device is further provided with 2 tensioning wheels, and the 2 tensioning wheels are respectively arranged on the outer sides of the chains above the upper driven chain wheels; the periphery of the chain transmission device is provided with a protective cover, the protective cover is formed by buckling 2 cover bodies together, and the buckling parts are fixedly connected through bolts.
5. The machine of claim 1, wherein the guide block has a cross section that narrows down; the bottom surface of the guide block is lower than the lowest surface of the lower tool bit.
6. The machine according to claim 1, wherein the slurry inlet of the slurry spraying pipe is connected with the slurry stirring device through the delivery pump, the slurry outlet of the slurry spraying pipe is arranged near the bottom of the working arm, and the opening direction is vertically downward.
7. The working method of the hybrid foundation treatment machine according to any one of claims 1 to 6, characterized by comprising:
The connecting disc is connected with the mechanical arm, and the working arm is connected with the main machine body into a whole; the mechanical arm is used for adjusting the working position of the working arm and realizing working feeding, the hydraulic power system provides power for the action of the whole machine, the control table is arranged in the driving control chamber and used for controlling the action of the whole machine, and the travelling device is used for driving the whole machine to move and travel along a working path;
The hydraulic power system provides power for the motor speed reducer, the control console in the driving control room controls the power output shaft of the motor speed reducer to rotate clockwise or anticlockwise, the motor speed reducer drives the driving sprocket to rotate, and the driving sprocket drives the upper driven sprocket and the lower driven sprocket to synchronously rotate through the chain; the upper driven sprocket is connected with the upper tool rest through an upper driven shaft, the lower driven sprocket is connected with the lower tool rest through a lower driven shaft, the upper tool rest is driven to rotate when the upper driven sprocket rotates, and the lower tool rest is driven to rotate when the lower driven sprocket rotates; when the upper tool rest and the lower tool rest rotate, the corresponding upper tool bit and lower tool bit rotate to cut soil, the mechanical arm drives the working arm to vertically or obliquely move up and down in the soil, the soil is fully stirred, and meanwhile, the slurry spraying pipe sprays curing liquid or soil improvement liquid into the soil after cutting and stirring, and the curing liquid or soil improvement liquid is uniformly mixed with the soil to achieve the purposes of curing and improving the soil;
the tensioning wheel is used for adjusting tightness of the chain, the guide block has a guide effect except when the working arm moves up and down, and is used for supporting the working arm when the working arm does not work, so that the lower cutter head is prevented from directly contacting the ground, and the cutter is not damaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010629577.4A CN111676953B (en) | 2020-07-03 | 2020-07-03 | Mixed foundation treatment machine and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010629577.4A CN111676953B (en) | 2020-07-03 | 2020-07-03 | Mixed foundation treatment machine and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111676953A CN111676953A (en) | 2020-09-18 |
| CN111676953B true CN111676953B (en) | 2024-10-22 |
Family
ID=72437641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010629577.4A Active CN111676953B (en) | 2020-07-03 | 2020-07-03 | Mixed foundation treatment machine and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111676953B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276284B (en) * | 2021-05-15 | 2024-09-24 | 上海中筑实业有限公司 | Chain arm type cutting machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535559A (en) * | 2012-03-15 | 2012-07-04 | 中国铁建重工集团有限公司 | Chain cutter type mixing pile wall forming equipment |
| CN210507407U (en) * | 2019-06-25 | 2020-05-12 | 福建润土工程科技有限公司 | Shallow middle layer soil body continuous solidification agitated vessel |
| CN212582654U (en) * | 2020-07-03 | 2021-02-23 | 大连紫竹科技发展有限公司 | A hybrid foundation treatment machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07113214B2 (en) * | 1992-04-01 | 1995-12-06 | トーメン建機株式会社 | Excavation device for underground wall and construction method using the device |
| CN202023563U (en) * | 2011-01-27 | 2011-11-02 | 西北工业大学 | Self-walking type miniature underground pipeline heading machine |
-
2020
- 2020-07-03 CN CN202010629577.4A patent/CN111676953B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535559A (en) * | 2012-03-15 | 2012-07-04 | 中国铁建重工集团有限公司 | Chain cutter type mixing pile wall forming equipment |
| CN210507407U (en) * | 2019-06-25 | 2020-05-12 | 福建润土工程科技有限公司 | Shallow middle layer soil body continuous solidification agitated vessel |
| CN212582654U (en) * | 2020-07-03 | 2021-02-23 | 大连紫竹科技发展有限公司 | A hybrid foundation treatment machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111676953A (en) | 2020-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10557242B2 (en) | Lubricated soil mixing systems and methods | |
| CN102155035A (en) | Continuous wall milling machine | |
| CN202108064U (en) | Vertical slot milling machine | |
| CN101864781B (en) | Mining machine for dredging | |
| CN212582654U (en) | A hybrid foundation treatment machine | |
| CN210509059U (en) | Group drilling processor unit | |
| CN201334658Y (en) | Sand-beach marsh ground solidifying machine | |
| CN114311310A (en) | Consolidated soil mixing box for municipal construction | |
| CN111676953A (en) | A kind of hybrid foundation treatment power method machine and its working method | |
| CN202577329U (en) | Milling groove stirring machine | |
| CN115977187B (en) | Scraper mechanism for TRD (TRD machining center) | |
| CN117403481B (en) | Rotary turning reinforced operation vehicle for repairing ballast bed subgrade slurry and mud generation and construction method | |
| US6059447A (en) | Method for mixing phosphogypsum within earthen material | |
| CN219315691U (en) | Shallow surface layer soft foundation solidification equipment | |
| CN202466530U (en) | Half-section multifunctional channel finishing machine | |
| CN202323948U (en) | Cement fly-ash gravel (CFG) pile cutting machine | |
| CN112936614B (en) | Machine for building underground continuous wall by crossing hydraulic reinforced concrete foundation | |
| CN210713003U (en) | Underwater soil body positioning excavation device suitable for non-water-cut-off repair of large-scale water delivery channel | |
| CN105316994B (en) | Device is dug in a kind of milling | |
| CN102561269A (en) | Multifunctional semi-section channel finishing machine | |
| CN219587506U (en) | Novel have reverse circulation rig for waste stone clearance | |
| CN222120371U (en) | Crawler-type TRD (TRD) working machine with motor hydraulic crawler chassis | |
| CN221192881U (en) | Rapid construction machinery for semi-filled and semi-excavated stone roadbed | |
| CN220580951U (en) | Rectangular slide-resistant pile drilling machine with size-variable synchronous horizontal cantilever | |
| CN213805366U (en) | Multifunctional pile planting mechanical pliers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240521 Address after: 114000 Tonghai Avenue, Tiexi District, Anshan, Liaoning 469 Applicant after: Liaoning Zizhu hi tech equipment Co.,Ltd. Country or region after: China Address before: Room 411, 4 / F, nano building, No.3 Huoju Road, Qixianling high tech Industrial Park, Dalian, Liaoning, 116000 Applicant before: Dalian Zizhu Technology Development Co.,Ltd. Country or region before: China |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |