CN110424489B - Nested sand-wrapped concealed pipe stabilizing device - Google Patents
Nested sand-wrapped concealed pipe stabilizing device Download PDFInfo
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- CN110424489B CN110424489B CN201910735474.3A CN201910735474A CN110424489B CN 110424489 B CN110424489 B CN 110424489B CN 201910735474 A CN201910735474 A CN 201910735474A CN 110424489 B CN110424489 B CN 110424489B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/12—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with equipment for back-filling trenches or ditches
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- Pusher Or Impeller Conveyors (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention provides a nested concealed pipe sand wrapping and stabilizing device, which comprises a sand box assembly, a sand wrapping mechanism assembly and a sand wrapping and stabilizing control system, wherein the sand box assembly, the sand wrapping mechanism assembly and the sand wrapping and stabilizing control system are connected to a ditching and pipe laying machine; wherein: the sand box assembly is connected with the sand wrapping mechanism assembly in a nested manner, the central line of the sand box assembly is positioned above the central line of the sand wrapping mechanism assembly, and the starting end and the tail end of the sand wrapping mechanism assembly are respectively an input end and an output end of the laid concealed pipe; the sand wrapping and stabilizing control system is connected with the sand wrapping mechanism assembly, and the sand wrapping and stabilizing construction quality is guaranteed by controlling the sand conveying amount of the sand wrapping and stabilizing mechanism assembly according to the walking speed of the ditching and pipe laying machine detected by the sensor and the sand wrapping amount and compactness required by engineering.
Description
Technical Field
The invention belongs to the technical field of agricultural mechanical equipment, relates to a farmland soil improvement operation machine, and particularly relates to a nested concealed pipe sand-wrapping pipe-stabilizing device.
Background
At present, the construction and development of agricultural high-standard farmlands in China are rapid, the improvement and the efficiency of soil improvement and medium-low yield farmlands are improved, and the concealed pipe drainage and salt control engineering of large-scale salinized farmlands is developed. A hidden pipe drainage and salt control technology for improving saline-alkali soil features that the pipeline with small holes is buried under ground surface by 1-2 m according to the law of movement of salt and water, and the salt is dissolved in water by irrigation and drip washing.
However, in the actual hidden pipe drainage salt control engineering, due to the problems of insufficient gravel wrapping amount or insufficient compactness around the pipe, the pipe is partially exposed, and a gravel wrapping layer is broken after a backfill soil block falls down, so that soil easily enters a pipeline to cause blockage, and the service life of an underground hidden pipe is influenced.
Disclosure of Invention
Aiming at part or all of the technical problems in the prior art, the invention provides the high-efficiency and applicable nested concealed pipe sand-wrapping and pipe-stabilizing device, which can improve the sand-laying compactness and enable gravel to be distributed more uniformly, thereby better improving the construction quality and the construction effect.
In order to realize the aim, the invention provides a nested concealed pipe sand wrapping and stabilizing device, which comprises a sand box assembly, a sand wrapping mechanism assembly and a sand wrapping and stabilizing control system, wherein the sand box assembly, the sand wrapping mechanism assembly and the sand wrapping and stabilizing control system are connected to a ditching and pipe laying machine; wherein:
the sand box assembly is connected with the sand wrapping mechanism assembly in a nested manner, the central line of the sand box assembly is positioned above the central line of the sand wrapping mechanism assembly, and the starting end and the tail end of the sand wrapping mechanism assembly are respectively an input end and an output end of the laid concealed pipe;
the sand wrapping and stabilizing control system is connected with the sand wrapping mechanism assembly, and the sand wrapping and stabilizing construction quality is guaranteed by controlling the sand conveying amount of the sand wrapping and stabilizing mechanism assembly according to the walking speed of the ditching and pipe laying machine detected by the sensor and the sand wrapping amount and compactness required by engineering.
According to the method, the actual engineering requirements (including the sand wrapping amount and the compactness of the concealed pipe), the traveling speed of the ditching and pipe laying machine and the sand conveying amount of the sand wrapping mechanism assembly are matched, so that the sand wrapping amount and the compactness of the concealed pipe are uniform and consistent, and the construction quality and the construction effect are improved.
In one embodiment, the flask assembly comprises:
a sand box in a funnel shape;
the sand conveying channel is connected below the sand box at a certain angle;
the sand control mechanical assembly is connected to the sand conveying channel and used for adjusting the sand falling amount; and
and the shakeout cover is connected to one end, far away from the sand box, of the sand conveying channel and is positioned behind the sand control mechanical assembly, and an opening of the shakeout cover is positioned above an auger of the sand wrapping mechanism.
In one embodiment, the sand control mechanical assembly adopts an adjusting handle assembly, and the adjusting handle assembly comprises two sand control plates with inverted trapezoid openings formed in the upper and lower parts and a threaded handle mechanism for adjusting the size of the openings of the sand control plates.
In one embodiment, the threaded handle mechanism comprises two threaded handles, each threaded handle is connected to the back of one sand control plate through a ball head hinge, when the threaded handles are screwed in, the sand control plates are pushed to move towards the sand box or upwards, and the openings of the two sand control plates are reduced; when the threaded handle is screwed out, the sand control plates are pushed to move downwards, and the openings of the two sand control plates are enlarged.
In one embodiment, the vibration motor is connected to the outer side of the sand conveying channel, is connected to the outer side of a housing of the sand box assembly, and is connected with the housing of the sand wrapping mechanism assembly through a connecting housing plate.
In one embodiment, a sand leveling plate is connected behind the shakeout cover, and the sand leveling plate is used for leveling sand materials conveyed to the sand wrapping mechanism assembly and conveyed to the concealed pipe.
In one embodiment, the sand wrap mechanism assembly comprises:
the sand wrapping mechanism assembly comprises a housing, a sand box assembly and a sand wrapping mechanism assembly, wherein the housing is connected to the sand box assembly in a nested manner through a connecting housing plate and a connecting fastener;
the guide pipe connecting channel is internally provided with a guide pipe, the outside of the guide pipe connecting channel is provided with a connecting cover plate, and the guide pipe connecting channel is connected with a sand conveying channel cover shell in the sand box assembly through the external connecting cover plate;
the sand conveying auger assembly is externally provided with an auger cover casing which is connected with a shakeout cover in the sand box assembly in a nested manner, and a guide pipe and a hidden pipe penetrate through the auger cover casing.
In one embodiment, the sand feed auger assembly comprises:
the gear box is fixedly connected to the auger housing through a gear box connecting seat;
one end of the screw conveyer is supported and installed on the gear box through a bearing, and a guide pipe is inserted into the screw conveyer shaft in a penetrating way; and
and the driving motor is arranged in the screw conveyor housing and drives the screw conveyor through the gear box.
In one embodiment, the gear box connecting seat comprises two parts, the upper part of the gear box connecting seat is used for supporting and connecting the gear box and the screw conveyor; the lower part of the gear box connecting seat is a fixed part which is connected with the screw feeder housing; one end of the screw conveyer is connected with a driven gear of the gear box.
In one embodiment, the upper side of the sand wrapping mechanism assembly is provided with an ear plate backing plate which is hinged with a sand box ear plate of the sand box assembly; and an ear plate connected with the ditching and pipe-laying machine is arranged at the lower side of the sand wrapping mechanism assembly.
In one embodiment, the sand wrapping and pipe stabilizing control system adopts an electro-hydraulic control system, and the electro-hydraulic control system comprises a speed measurement sensor, a data processing and control center and a hydraulic control system; the data processing and control center comprises a processing unit, a data conversion unit, a digital display unit and a driving module; the speed measuring sensor measures the traveling speed of the ditching and pipe-laying machine, transmits data to the processing unit in the data processing and control center, the processing unit converts signals through the data conversion unit and then displays the signals on the display unit, transmits the data to the driving unit to drive the hydraulic control system, and finally controls the rotating speed of the driving motor connected with the auger through the control hydraulic pump and the hydraulic valve.
Compared with the prior art, the invention has the advantages that:
the invention not only provides the concealed pipe sand-wrapping and pipe-stabilizing device which is suitable for ditching and pipe-laying operation, but also realizes adjustable sand conveying amount and controllable sand conveying density. Further comprising: the sand inlet amount is controlled by the opening size of the sand control plate, and the sand conveying channel is prevented from being blocked by gravel by utilizing the vibration effect of the vibration motor.
In addition, the rotating speed of the driving motor can be regulated and controlled according to the pipe laying speed and the change of the sand wrapping amount of the concealed pipe, and the gravel conveyed by the auger is guaranteed to be evenly and compactly laid around the pipe.
The hidden pipe sand-wrapping pipe-stabilizing device is installed on a ditching pipe-laying machine with matched working capacity, and can complete full-automatic operation of ditching, pipe-laying and sand-wrapping. The nested screw feeder sand conveying mechanism is used as a material conveying device, and the sand stabilizing device is wrapped in the nested concealed pipe through speed control, so that gravel with the thickness of 75mm can be uniformly and compactly laid on the periphery of the pipe.
Drawings
Preferred embodiments of the present invention will be described in detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic overall rear view of a nested concealed pipe sand-wrapping pipe-stabilizing device according to one embodiment of the present invention in use;
fig. 2 is a sectional view taken along a-a of fig. 1.
Fig. 3 is a partially enlarged view B of fig. 2.
FIG. 4 is a schematic view of the flask assembly of FIG. 1.
Fig. 5 is a cross-sectional view taken along line C-C of fig. 4.
Fig. 6 is a partial enlarged view D of fig. 5.
Fig. 7 is a schematic control principle diagram of the sand wrapping and pipe stabilizing control system in fig. 2.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
In order to make the technical solutions and advantages of the present invention more apparent, exemplary embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is clear that the described embodiments are only a part of the embodiments of the invention, and not an exhaustive list of all embodiments. And the embodiments and features of the embodiments may be combined with each other without conflict.
The inventor notices in the invention process that in the existing concealed pipe drainage and salt control engineering, a pipe laying ditch is generally dug out by a ditching and pipe laying machine, and then the pipe is laid and filled with sand through a ditch box, so that the problems of insufficient gravel wrapping quantity or insufficient compactness around the pipe easily exist, the pipe is partially exposed, and the wrapping layer is directly crushed after soil blocks fall to cause blockage, or the blockage is easy to fail in the use process because the sand prevention filtering layer is not well treated.
In view of the above disadvantages, an embodiment of the present invention provides a nested concealed pipe sand-wrapping and pipe-stabilizing device, which is described in detail below.
FIG. 1 is a schematic overall rear view of a nested concealed pipe sand-wrapping pipe-stabilizing device according to one embodiment of the present invention in use; the integral rear view structure schematic diagram refers to the integral rear view structure schematic diagram of a nested concealed pipe sand-wrapping pipe-stabilizing device (also called a sand conveying auxiliary material mechanism) except the ditching and pipe-laying machine when the rear part of the ditching and pipe-laying machine is seen towards the traveling direction. Fig. 2 is a sectional view taken along the line a-a of fig. 1, which may also be referred to as an overall sectional view. Fig. 3 is a partially enlarged view B of fig. 2. FIG. 4 is a schematic view showing the construction of the flask assembly 1 of FIG. 1. Fig. 5 is a cross-sectional view taken along line C-C of fig. 4. Fig. 6 is a partial enlarged view D of fig. 5. Fig. 7 is a schematic control principle diagram of the sand wrapping and pipe stabilizing control system in fig. 2.
Fig. 1 and fig. 2 show one embodiment of the nested concealed pipe sand-coating and pipe-stabilizing device of the invention. In the embodiment, the nested concealed pipe sand-wrapping and pipe-stabilizing device mainly comprises a sand box assembly 1, a sand-wrapping mechanism assembly 2 and a sand-wrapping and pipe-stabilizing control system 3 which are connected to a ditching and pipe-laying machine. The sand box assembly 1 and the sand wrapping mechanism assembly 2 are connected into a whole in a nested mode through the connecting cover plate, the lug plate hinge structure and the fastening piece, and the whole is formed into an inclined L shape. The center line of the sand box assembly 1 is positioned on the center line of the sand coating mechanism assembly 2. The concealed pipe 202 penetrates through the output end of the sand wrapping mechanism assembly 2. When the ditching and pipe-laying machine digs a ditch and lays a hidden pipe 202, a sand box assembly 1 arranged on the upper side of the hidden pipe conveys sand materials to the periphery of the hidden pipe 202 through a sand wrapping mechanism assembly 2, and automatic synchronous operation of pipe laying and sand conveying is realized. In addition, the sand wrapping and stabilizing control system 3 is connected with the sand wrapping mechanism assembly 2. The sand wrapping and stabilizing control system 3 controls the sand conveying amount of the sand wrapping mechanism assembly 2 according to the walking speed of the ditching and pipe laying machine detected by the sensor 31 and the sand wrapping amount and compactness required by the engineering, so that the construction quality of the wrapped sand and stabilizing pipe is ensured.
In one embodiment of the invention, the actual engineering requirements (including the sand amount and the compactness on the concealed pipe), the running speed of the ditching and pipe laying machine and the rotating speed of the screw 203 nested on the concealed pipe 202 are mainly matched. The rotational speed of the lifting auger 203 can increase the sand-laying compactness and make the distribution of the gravel around the concealed pipe 202 more uniform. Thereby not only improving the construction efficiency, but also greatly improving the construction quality and the construction effect.
In one embodiment, as shown in FIGS. 1 to 6, the flask assembly 1 mainly comprises a flask 101, a sand conveying passage 102, a sand conveying passage cover 103, a sand control mechanical assembly 104, and a shakeout cover 105 provided with a flat sand plate 106. Wherein, the sand box 101 is funnel-shaped, and the opening is big on the top, and the opening is little below. The sand conveying passage 102 is formed in the sand conveying passage cover 103, and the sand conveying passage 102 is connected to the lower side of the sand box 101 at a certain angle to convey sand falling from the sand box 101. The sand control mechanical assembly 104 is arranged on the sand conveying channel 102 in the sand conveying channel cover 103, and the sand control mechanical assembly 104 can play a role in controlling and adjusting the sand falling amount. One end of the shakeout cover 105 is connected with the sand conveying channel cover 103, and the outer side of the outlet end of the shakeout cover 105 is connected with a flat sand plate 106. A shakeout cover 105 is attached to the end of the sand conveying channel cover 103 remote from the sand box 101 (i.e., the lower end of the sand conveying channel 102), the shakeout cover 105 being located behind the sand control mechanism assembly 104. The outlet of the shakeout cover 105 is positioned above the auger 203, sand is output to the auger 203 through the shakeout cover 105, sand is conveyed to the periphery of the concealed pipe 202 through the action of the auger 203, and the sand conveyed to the concealed pipe 202 is leveled through the flat sand plate 106 at the rear end of the shakeout cover 105.
In one embodiment, as shown in FIGS. 4-6, sand control mechanism assembly 104 employs an adjustment handle assembly. The adjusting handle assembly mainly comprises two sand control plates 1042 with inverted trapezoidal upper and lower openings and a threaded handle mechanism for adjusting the opening size of the sand control plates 1042. Preferably, one end of each of the two sand control plates 1042 is connected to the sand conveying channel cover 103 in a hinged manner, and the other end thereof is inclined downwards.
In one embodiment, as shown in fig. 4-6, the threaded handle mechanism mainly comprises two threaded handles 1041, and each threaded handle 1041 is connected to the back of a sand control plate 1042 through a ball joint 1043. When the threaded handle 1041 is screwed inwards relative to the sand conveying channel housing 103, the sand control plates 1042 are pushed to move towards the sand box 101 (i.e. obliquely upwards), at this time, the opening between the two sand control plates 1042 is reduced, and the amount of sand output from the lower end openings of the two sand control plates 1042 is reduced. When the threaded handle 1041 is screwed out relative to the sand conveying channel housing 103, the sand control plates 1042 are pushed to move downward in an inclined manner, the opening between the two sand control plates 1042 is enlarged, and the sand output from the lower end openings of the two sand control plates 1042 is increased.
In addition, in a preferred embodiment, as shown in fig. 4 to 6, a master control handle is further arranged below the two threaded handles, and the master control handle is mainly arranged to be similar to a master gate, namely, the master control handle can ensure that sand is not leaked when sand wrapping operation is not required.
In one embodiment, as shown in fig. 2 and 5, a vibration motor 109 is coupled to the outside of the sand conveying channel 102 (i.e., the outside of the sand conveying channel housing 103). The vibration motor 109 is connected to the outer side of the casing of the flask assembly 1 and is connected to the casing of the sand wrapping mechanism assembly 2 through a connecting cover plate.
In one embodiment, as shown in fig. 2 and 3, the sand-wrapping mechanism assembly 2 mainly includes: the housing of the sand wrapping mechanism assembly, the guide pipe connecting channel and the sand conveying auger assembly. Wherein, the housing of the sand wrapping mechanism assembly is connected to the sand box assembly 1 in a nested manner through the connecting cover plate and the connecting fastener. The guide pipe connecting channel is internally provided with a guide pipe 207, is externally provided with a connecting cover plate 208 and is connected with the sand conveying channel cover 103 in the sand box assembly through the external connecting cover plate 208. An auger cover 201 nested with the shakeout cover 105 in the sand box assembly 1 is arranged outside the sand conveying auger assembly, and a guide pipe 207 and a through corrugated concealed pipe 202 are arranged in the sand conveying auger assembly 203.
In one embodiment, as shown in fig. 1-3, the sand conveying auger assembly comprises: an auger 203, a drive motor 206, a gearbox 205, and a gearbox connecting mount 204. Wherein, the guide tube 207 is connected and supported by a moving seal inside the auger tube 2032 of the auger 203. A drive motor 206 is provided in the auger housing 201, and the drive motor 206 is connected to and drives the auger 203 through a gear box 205. The gear box connecting seat 204 is fixed in the auger housing 201 and used for fixing the gear box 205. The gear box 205 is connected to the auger 203 through a driven gear.
In one embodiment, as shown in fig. 2-3, the gearbox coupling mount 204 is comprised of two main parts. The upper part of the gearbox connecting base 204 is used for supporting and connecting a gearbox 205. The lower part of the gearbox connecting base 204 is a fixed part which supports and fixes the upper part of the gearbox connecting base 204. The driven gear of the gear box 205 is supported by a connecting bearing, and the auger 203 is connected to the driven gear of the gear box 205.
In one embodiment, as shown in fig. 1-3, the drive motor 206 drives the auger 203 via the gear box 205, and the rotation of the auger blade 2031 of the auger 203 transports the sand material falling from the shakeout cover 105 laterally. But the guide tube 207 and the corrugated concealed tube 202 connected in the screw 203 do not rotate along with the screw 203. As shown in FIG. 2, in actual operation, the upper end opening of the guide pipe 207 is provided with a guide pipe flaring 211, the corrugated concealed pipe 202 extends into the auger 203 from the guide pipe flaring 211 and extends backwards to be laid in a trench dug by the ditching and pipe-laying machine, and synchronous dense sand wrapping is realized under the action of sand conveyed by the auger 203. That is, when the trenching pipe-laying machine is in normal operation, the corrugated concealed pipe 202 for drainage is output through the hollow part of the guide pipe 207 nested in the auger 203, and meanwhile, the sand-wrapping and pipe-stabilizing control system 3 controls the drive motor 206 in real time according to the sand-laying thickness (or sand-wrapping amount) and compactness set by the engineering to drive the auger 203 to convey and wrap the sand, thereby completing the sand-wrapping operation of the trenching pipe-laying.
In one embodiment, as shown in FIG. 2, the upper side of the sand wrapping mechanism assembly 2 is provided with an ear plate backing plate 210 near the end of the guide tube flare 211, and the ear plate backing plate 210 is hinged to the flask ear plate 107 of the flask 101 of the flask assembly via a connecting pin. Two lug plates 209 connected with the ditching and pipe-laying machine are arranged on the lower side of the sand wrapping mechanism assembly 2.
In addition, it is explained that both the sand wrapping mechanism assembly 2 and the sand box assembly 1 are provided with cover plates. In the embodiment of the present invention, the sand-wrapping mechanism assembly 2 mainly includes an auger housing 201 and a connection cover plate 208 forming a connection passage of the guide pipe 207. The cover plates of the sand conveying assembly 1 mainly comprise a sand conveying channel cover 103 and a shakeout cover 105. The auger cover 201 and the connecting cover plate 208 can be connected into a whole by a fixed connection mode such as welding or an integral forming mode. The sand conveying channel cover 103 and the shakeout cover 105 may be connected into a whole by a fixed connection method such as welding or an integral molding method. In addition, the housing of the sand-wrapping mechanism assembly 2 and the housing of the sand box assembly 1 can be connected and embedded by means of a connecting housing and the like, for example, the auger housing 201 is connected to the shakeout cover 105 in a nesting manner. In addition, the sand box 101 and the sand conveying channel cover 103 are fixedly connected through a sheet metal structure 108, so that the connection between the sand box 101 and the sand conveying channel cover 103 and the reliability of operation are ensured when the vibration motor 109 is started.
In one embodiment, as shown in fig. 7, the sand wrapping and stabilizing control system 3 adopts an electro-hydraulic control system. The electro-hydraulic control system mainly comprises a speed measurement sensor 31, a data processing and control center 32 and a hydraulic control system 33. The data processing and control center 32 mainly includes a processing unit, a data conversion unit, a digital display unit and a control drive module. The data conversion unit includes a high-speed A/D converter and a data transmission unit. The speed measuring sensor 31 measures the traveling speed of the ditching and pipe-laying machine, transmits data to a processing unit in the data processing and control center, the processing unit converts signals through the data conversion unit and then displays the signals on a display unit, transmits the data to the driving unit to drive the hydraulic control system 33, and finally controls the rotating speed of a driving motor 206 connected with the auger 203 through controlling a hydraulic pump and a hydraulic valve so as to control the compactness of sand wrapping. Of course, it is understood that the sand wrapping and stabilizing control system 3 can also be used to control the on and off of the vibration motor 109 and the amount of sand falling by controlling the rotation of the rotary structure connected to the threaded handle 1041.
In one embodiment, the sand-wrapping and pipe-stabilizing device for the concealed pipe is installed on a ditching and pipe-laying machine with matched working capacity, and can complete full-automatic operation of sand-wrapping of ditching and pipe-laying. The nested screw feeder sand conveying mechanism is used as a material conveying device, and the sand stabilizing device is wrapped in the nested concealed pipe through speed control, so that gravel with the thickness of 75mm can be uniformly and compactly laid on the periphery of the pipe.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, the appended claims are intended to be construed to include preferred embodiments and all such changes and/or modifications as fall within the scope of the invention, and all such changes and/or modifications as are made to the embodiments of the present invention are intended to be covered by the scope of the invention.
Claims (10)
1. A nested concealed pipe sand-wrapping and pipe-stabilizing device is characterized by comprising a sand box assembly, a sand-wrapping mechanism assembly and a sand-wrapping and pipe-stabilizing control system, wherein the sand box assembly, the sand-wrapping mechanism assembly and the sand-wrapping and pipe-stabilizing control system are connected to a ditching pipe-laying machine; wherein:
the sand box assembly is connected with the sand wrapping mechanism assembly in a nested manner, the central line of the sand box assembly is positioned above the central line of the sand wrapping mechanism assembly, and the starting end and the tail end of the sand wrapping mechanism assembly are respectively an input end and an output end of the laid concealed pipe;
the sand wrapping and stabilizing control system is connected with the sand wrapping mechanism assembly, and the sand wrapping and stabilizing construction quality is guaranteed by controlling the sand conveying amount of the sand wrapping and stabilizing mechanism assembly according to the walking speed of the ditching and pipe laying machine detected by the sensor and the sand wrapping amount and compactness required by engineering.
2. The concealed pipe sand-wrapping pipe-stabilizing device according to claim 1, wherein the sand box assembly comprises:
a sand box in a funnel shape;
the sand conveying channel is connected below the sand box at a certain angle;
the sand control mechanical assembly is connected to the sand conveying channel and used for adjusting the sand falling amount; and
and the shakeout cover is connected to one end, far away from the sand box, of the sand conveying channel and is positioned behind the sand control mechanical assembly, and an opening of the shakeout cover is positioned above an auger of the sand wrapping mechanism.
3. The concealed pipe sand-wrapping pipe-stabilizing device according to claim 2, wherein the sand control mechanical assembly adopts an adjusting handle assembly, and the adjusting handle assembly comprises two sand control plates with upper and lower openings forming an inverted trapezoid shape and a threaded handle mechanism for adjusting the size of the opening of the sand control plate.
4. The concealed pipe sand-wrapping pipe-stabilizing device according to claim 3, wherein the threaded handle mechanism comprises two threaded handles, each threaded handle is connected to the back of one sand control plate through a ball head hinge, when the threaded handles are screwed in, the sand control plates are pushed to move towards the sand box or upwards, and the openings of the two sand control plates are reduced; when the threaded handle is screwed out, the sand control plates are pushed to move downwards, and the openings of the two sand control plates are enlarged.
5. The concealed pipe sand-wrapping pipe stabilizing device according to any one of claims 2 to 4, wherein a vibration motor is connected to the outer side of the sand conveying channel, is connected to the outer side of a housing of the sand box assembly, and is connected with the housing of the sand-wrapping mechanism assembly through a connecting cover plate.
6. The concealed pipe sand-wrapping pipe stabilizing device according to any one of claims 2 to 4, wherein a sand flattening plate is connected behind the shakeout cover, and the sand flattening plate smoothes sand conveyed to the concealed pipe by the sand-wrapping mechanism assembly.
7. The concealed pipe sand-wrapping and pipe-stabilizing device according to claim 1, wherein the sand-wrapping mechanism assembly comprises:
the sand wrapping mechanism assembly comprises a housing, a sand box assembly and a sand wrapping mechanism assembly, wherein the housing is connected to the sand box assembly in a nested manner through a connecting housing plate and a connecting fastener;
the guide pipe connecting channel is internally provided with a guide pipe, the outside of the guide pipe connecting channel is provided with a connecting cover plate, and the guide pipe connecting channel is connected with a sand conveying channel cover shell in the sand box assembly through the external connecting cover plate;
the sand conveying auger assembly is externally provided with an auger cover casing which is connected with a shakeout cover in the sand box assembly in a nested manner, and a guide pipe and a hidden pipe penetrate through the auger cover casing.
8. The concealed pipe sand-wrapping pipe-stabilizing device according to claim 7, wherein the sand-conveying auger assembly comprises:
the gear box is fixedly connected to the auger housing through a gear box connecting seat;
one end of the screw conveyer is supported and installed on the gear box through a bearing, and a guide pipe is inserted into the screw conveyer shaft in a penetrating way; and
and the driving motor is arranged in the screw conveyor housing and drives the screw conveyor through the gear box.
9. The concealed pipe sand-wrapping pipe-stabilizing device according to claim 1, wherein an ear plate backing plate hinged with a sand box ear plate of a sand box assembly is arranged on the upper side of the sand-wrapping mechanism assembly; and an ear plate connected with the ditching and pipe-laying machine is arranged at the lower side of the sand wrapping mechanism assembly.
10. The concealed pipe sand-wrapping and pipe-stabilizing device according to claim 1, wherein an electro-hydraulic control system is adopted by the sand-wrapping and pipe-stabilizing control system, and comprises a speed measurement sensor, a data processing and control center and a hydraulic control system; the data processing and control center comprises a processing unit, a data conversion unit, a digital display unit and a driving module; the speed measuring sensor measures the traveling speed of the ditching and pipe-laying machine, transmits data to the processing unit in the data processing and control center, the processing unit converts signals through the data conversion unit and then displays the signals on the display unit, transmits the data to the driving unit to drive the hydraulic control system, and finally controls the rotating speed of the driving motor connected with the auger through the control hydraulic pump and the hydraulic valve.
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| CN201910735474.3A CN110424489B (en) | 2019-08-09 | 2019-08-09 | Nested sand-wrapped concealed pipe stabilizing device |
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| CN201910735474.3A CN110424489B (en) | 2019-08-09 | 2019-08-09 | Nested sand-wrapped concealed pipe stabilizing device |
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| CN110424489B true CN110424489B (en) | 2021-06-15 |
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| CN206815423U (en) * | 2017-05-08 | 2017-12-29 | 新疆义和德润工程技术有限公司 | A kind of device of quick laying continuous flexible pipe |
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| JPS5539526A (en) * | 1978-09-12 | 1980-03-19 | Komatsu Ltd | Culvert laying method |
| US5913638A (en) * | 1998-02-04 | 1999-06-22 | Lansdale; Michael Lee | Sand channel trenching and pipe laying apparatus |
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| CN203729364U (en) * | 2014-01-22 | 2014-07-23 | 中国农业机械化科学研究院 | Sand wrapping and pipe laying mechanism of ditcher sand box and crawler type full-hydraulic ditcher |
| DE102014105577A1 (en) * | 2014-04-17 | 2015-10-22 | Novoter Ag | Device and method and installation system for laying at least one strand in a floor surface |
| CN206815423U (en) * | 2017-05-08 | 2017-12-29 | 新疆义和德润工程技术有限公司 | A kind of device of quick laying continuous flexible pipe |
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