CN221192881U - Quick construction machine for half-filling and half-digging stone roadbed - Google Patents

Abstract

The utility model belongs to the technical field of construction of half-filling and half-excavating roadbed, and particularly relates to a quick construction machine for a half-filling and half-excavating roadbed; the device comprises a frame, wherein a fixed steering mechanism and a step excavating and drilling mechanism are arranged on the frame, the fixed steering mechanism comprises a double-sided rack vertically arranged on the frame, a fixed round gear is meshed with external teeth of the double-sided rack, the upper end of a connecting rod is connected with a fixed round gear shaft, the middle part of the connecting rod is provided with a clutch, and the lower end of the connecting rod is connected with a fixed cylinder; the step excavating and drilling mechanism comprises a transverse rack arranged on the frame, the upper end of the vertical connecting rod is connected with an upper round gear shaft, the lower end of the vertical connecting rod is connected with a longitudinal rack, the upper round gear is meshed with the transverse rack, the middle round gear is meshed with the longitudinal rack, the upper connecting plate is connected with a lifting driving mechanism, and the lifting driving mechanism is connected with an adapter; the utility model can effectively assist operators to rapidly construct the highway half-filling and half-digging stone roadbed, improve the construction efficiency and reduce the construction cost.

Description

Quick construction machine for half-filling and half-digging stone roadbed

Technical Field

The utility model belongs to the technical field of rapid construction of a half-filling half-excavation roadbed, and particularly relates to rapid construction machinery of the half-filling half-excavation roadbed.

Background

At present, the construction of the highway half-filling half-excavation stone excavation roadbed generally adopts a mountain-cutting method, and mountain-cutting stones are used for filling the roadbed; the mountain is generally opened by adopting the mountain explosion, so that a plurality of potential safety hazards are brought, the mountain-opened stones need to be crushed, filled, compacted and the like, and the construction difficulty is high and the quality cannot be ensured due to the difficulty in compaction of the stone-filled roadbed; in order to prevent the roadbed from sliding on a mountain area filling road section, a retaining wall or an anti-slide pile is often required to be added, the time cost is high, the excavation of a square stone body is not required to be treated on site, and the process is directly and integrally applied to the filling roadbed, namely the integral construction process of the half-filling half-excavation roadbed; the integral construction process can effectively solve the problems, but the integral construction of the half-filled and half-cut stone roadbed does not have finished machinery, so the development of the quick construction machinery of the half-filled and half-cut stone roadbed has high application value and wide market prospect.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provide the rapid construction machine for the half-filling and half-digging stone roadbed, which can effectively assist operators to carry out integral construction on the half-filling and half-digging stone roadbed of the expressway, improve the construction efficiency and reduce the construction cost.

The purpose of the utility model is realized in the following way: the quick construction machine comprises a frame, wherein a fixed steering mechanism is arranged on the frame, the fixed steering mechanism comprises a double-sided rack vertically arranged on the frame, a fixed circular gear is arranged on a circular gear shaft and meshed with external teeth of the double-sided rack, the upper end of an L-shaped first connecting rod is connected with the fixed circular gear shaft, a clutch is arranged in the middle of the L-shaped first connecting rod, and a fixed cylinder is connected with the lower end of the L-shaped first connecting rod and is a conical cylinder; the lower end of the double-sided rack is connected with a cylindrical gear, a steering circular gear is arranged on a steering circular gear shaft and meshed with the cylindrical gear, and the steering circular gear shaft is arranged on the first connecting rod through a bearing; the fixed steering mechanism further comprises a core barrel, and the core barrel can move up and down along the height direction of the double-sided rack;

The machine frame is also provided with a step excavation and drilling mechanism, the step excavation and drilling mechanism comprises a transverse rack arranged on the machine frame, the upper end of a vertical connecting rod is connected with an upper round gear shaft, the lower end of the vertical connecting rod is connected with a longitudinal rack, an upper round gear is arranged on the upper round gear shaft and meshed with the transverse rack, a middle round gear is arranged on the middle round gear shaft and meshed with the longitudinal rack, the lower end of the middle round gear shaft is connected with an upper connecting plate through a bearing, the upper connecting plate is connected with a lifting driving mechanism, the lifting driving mechanism is connected with a conversion connector, the conversion connector is used for connecting a step excavation barrel cutter or a drill bit, and the lifting driving mechanism is used for driving the conversion connector to lift.

The engine is arranged on the frame, the engine is sequentially connected with a gearbox, a transfer case, a hydraulic motor and a hydraulic pump, the frame is also provided with a control device 22, and the control device 22 is provided with an operation switch for controlling the sinking amount and the sinking speed of the fixed cylinder 26 and the rotating speed and the moving speed of the adapter.

The hydraulic pump is characterized in that a traveling device is further arranged on the frame and comprises a wheel shaft, a wheel hub and a tire, and the wheel shaft is arranged on the frame and driven by the hydraulic pump.

The fixed steering mechanism further comprises a drill core round gear meshed with the inner teeth of the double-sided rack, one end of the transverse connecting rod is connected with a drill core round gear shaft, the other end of the transverse connecting rod is connected with a drill core shaft through a bearing, the drill core round gear wheel is rotatably arranged on the drill core round gear shaft, and the lower end of the drill core shaft is connected with the drill core barrel.

The lifting driving mechanism comprises a vertical rack, the left vertical rack and the right vertical rack are connected with the upper connecting plate, the lower circular gear is arranged on the lower circular gear shaft and meshed with the vertical rack, the lower connecting plate is connected between the two lower circular gear shafts, the upper end of the middle shaft is connected with the lower connecting plate through a bearing, and the lower end of the middle shaft is connected with the conversion joint.

The cutting device comprises a cutting shaft arranged on the frame, the cutting shaft is connected with a cutting piece, five sets of cutting devices, namely a front cutting device, a rear cutting device, a left cutting device, a right cutting device and a lower cutting device, are arranged on the frame, and are used for cutting the back, the two sides and the bottom of the frame respectively.

The cooling device comprises a water storage tank arranged on the rack, the water storage tank is connected with a water pump, the water pump is connected with an air compressor, the air compressor is connected with a nozzle, and the nozzle is arranged near the cutting blade so as to cool the cutting blade.

The lifting device is arranged on the frame and comprises a universal suspension arm arranged on the frame, and a lifting hook and a steel wire rope are arranged on the universal suspension arm.

The quick construction process of the half-filling and half-digging stone roadbed comprises the following steps:

Step 1, determining a demarcation point of a half-filled semi-excavated subgrade according to the designed elevation of the subgrade top;

Step 2, calculating a half-filling and half-digging stone roadbed filling and digging balance point according to the total width of the roadbed and the outline dimension of the mountain;

Step 3, dividing a construction range of a mountain to be moved according to the boundary points and the filling balance points of the half-filling and half-digging stone roadbed, and determining a construction starting point; determining the number, width, height and position coordinates of construction steps of the filling body and the excavating body according to specific parameters of the filling body and the excavating body;

Step 4, starting the one-step molding construction machine of the half-filled half-cut stone subgrade to a preset construction site, opening a core drilling button, and starting core drilling operation; after the coring operation is completed, a core withdrawal button is opened, and the core barrel is moved up to a set position; then the fixing button is opened, the fixing cylinder descends into the core hole, and the friction force acts on the fixing button and is fixed on the core hole, so that the fixing of the whole machine is completed;

Step 5, determining the number, the positions and the depth of the excavation barrel cutters according to the designed step width and height, and then opening a step excavation button, wherein the excavation barrel cutters excavate steps according to the set speed and direction;

Step 6, moving the drill bit to a set position, opening a drilling button, and completing drilling work;

Step 7, adjusting the cutting piece to a set position, and opening a cutting button to finish cutting the square body;

Step 8, installing the guide fixing tube in the step hole;

Step 9, enabling the steel wire rope to pass through the step hole, enabling a bolt joint at the end of the steel wire rope to be connected to a screw hole of the guide fixing pipe, then extending out of the universal suspension arm to hook the steel wire rope passing through the step hole by the suspension hook, lifting the square digging body to the upper part of the filler, enabling the square digging body to fall to a set position along the guide fixing pipe under the action of dead weight, and positioning the square digging body through the rubber damping block; removing the wire rope bolt joint from the guide fixing tube;

And 10, arranging a fixed steel plate above the square body by aligning the guide fixing pipe with the positioning hole, installing a bolt into a screw hole at the upper end of the guide fixing pipe, and fixing the processed square body and the filling body into a whole.

The utility model has the beneficial effects that: the engine, the gearbox, the transfer case, the hydraulic motor and the hydraulic pump on the frame of the quick construction machine for the half-filled and half-excavated roadbed are used as a power system of the construction machine, and power is provided for other mechanisms and devices; the fixed steering mechanism has two functions of fixing and steering, and the fixing function of the fixed steering mechanism is to fix the whole machine on a stone roadbed so as to ensure the safety of finishing the work of digging steps, drilling, hoisting and the like; the steering function of the fixed steering mechanism is that after the whole machine completes the set working content of the first working surface, the fixed steering mechanisms at the front end cancel the fixed work because the fixed steering mechanisms at the rear end do the steering work, so that the whole machine integrally rotates to enter the next working surface, at the moment, the front end of the first working surface becomes the rear end of the second working surface, and the rear end of the first working surface becomes the front end of the second working surface, thus circularly completing the work of all the working surfaces; the step excavation and drilling mechanism has the functions that a hydraulic pump drives a middle shaft to rotate so as to drive a step excavation barrel cutter or a drill bit to rotate, and the step excavation barrel cutter or the drill bit can move left and right, front and back and up and down at the same time of rotating, so that step excavation or drilling operation is completed; the rapid construction machine for the half-filling and half-digging stone roadbed can effectively assist operators to rapidly construct the half-filling and half-digging stone roadbed of the expressway, improve the construction efficiency and reduce the construction cost.

Drawings

FIG. 1 is a schematic illustration of a rapid construction technique for a half-fill, half-cut, stony subgrade.

Fig. 2 is a schematic structural view of the rapid construction machine for a half-filled half-excavated stone subgrade according to the present utility model.

FIG. 3 is a schematic structural view of a vertical fixed steering mechanism of the rapid construction machine for the half-filled and half-excavated subgrade.

Fig. 4 is a schematic structural view of a step excavation and drilling mechanism of the rapid construction machine for a half-filled and half-excavated stone roadbed according to the present utility model.

Fig. 5 is a schematic diagram of the construction and operation principle of the hoisting device for the rapid construction machine for the half-filling and half-excavating stone roadbed.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The quick construction machine for the semi-filled and semi-excavated roadbed comprises a frame 19, wherein a fixed steering mechanism 25 is arranged on the frame 19, the fixed steering mechanism 25 comprises a double-sided rack 47 vertically arranged on the frame 19, a fixed circular gear 46 is arranged on a circular gear shaft 45 and meshed with external teeth of the double-sided rack 47, a fixed circular gear sliding sleeve is arranged on the double-sided rack 47, the fixed circular gear 46 can drive the fixed circular gear shaft 45 to slide up and down along the fixed circular gear sliding sleeve by rotating, the upper end of a first connecting rod 40 of an L shape is connected with the fixed circular gear shaft 45, the middle part of the first connecting rod is provided with a clutch 44, the lower end of the first connecting rod is connected with a fixed cylinder 26, and the fixed cylinder 26 is a conical cylinder; the lower end of the double-sided rack 47 is connected with a cylindrical gear 42, a steering circular gear 43 is arranged on a steering circular gear shaft 41 and meshed with the cylindrical gear 42, and the steering circular gear shaft 41 is arranged on the first connecting rod 40 through a bearing; the fixed steering mechanism 25 further comprises a core barrel 34, and the core barrel 34 can move up and down along the height direction of the double-sided rack 47;

The fixed steering mechanism 25 further comprises a core round gear 39 meshed with the internal teeth of the double-sided rack 47, one end of the transverse connecting rod 38 is connected with the core round gear shaft 35, the other end of the transverse connecting rod is connected with the core shaft 37 through a bearing, the core round gear 39 is rotatably arranged on the core round gear shaft 35, and the lower end of the core shaft 37 is connected with the core barrel 34.

The function of the fixed steering mechanism 25: the fixed steering mechanism 25 has two functions of fixing and steering, and the fixing function of the fixed steering mechanism 25 is to fix the whole machine on a stone roadbed so as to ensure the safety of finishing the work of excavating the step 2, drilling, hoisting and the like. The steering function of the fixed steering mechanism 25 is that after the whole machine completes the set working content of the first working surface, as the fixed steering mechanisms 25 are respectively arranged at the two ends of the whole machine, the fixed steering mechanisms 25 at the front end cancel the fixed work, and the fixed steering mechanisms 25 at the rear end perform the steering work to enable the whole machine to integrally rotate into the next working surface, at the moment, the front end of the first working surface becomes the rear end of the second working surface, and the rear end of the first working surface becomes the front end of the second working surface; the work of all working surfaces is completed in a circulating way.

The fixed steering mechanism 25 has the fixed principle of operation: the hydraulic pump 11 drives the drill core shaft 37 to rotate so as to drive the drill core barrel 34 to rotate for coring; simultaneously, the hydraulic pump 11 drives the drill core round gear shaft 35 to rotate so as to drive the drill core round gear 39 to rotate, and the drill core round gear 39 is meshed with the inner teeth of the double-sided rack 47, so that the drill core round gear 39 moves up and down while rotating so as to drive the transverse connecting rod 38 and the drill core barrel 34 to move up and down, thereby completing drilling and drilling withdrawal; and (5) after the drilling core is finished, retreating the drill. Then, the hydraulic pump 11 drives the fixed circular gear 46 to rotate, and the fixed circular gear 46 is meshed with the external teeth of the double-sided rack 47, so that the fixed circular gear 46 rotates to drive the fixed circular gear shaft 45 to slide up and down along the sliding sleeve of the fixed circular gear 46, the fixed circular gear shaft 45 drives the first connecting rod 40 to move up and down, and the first connecting rod 40 drives the fixed cylinder 26 to move up and down. Because the fixing cylinder 26 is cone-shaped, the lower end of the fixing cylinder 26 enters the core hole, and the friction force acts on the core hole to fix the whole machine.

The steering principle of the fixed steering mechanism 25 is: the front and rear ends of the whole machine are respectively provided with a set of fixed steering mechanism 25, when the whole machine completes the working content set by the first working surface, the hydraulic pump 11 drives the fixed circular gear 46 of the fixed steering mechanism 25 at the front end to rotate clockwise to drive the fixed cylinder 26 to move upwards, and the fixed work at the front end is cancelled. Then the rear end clutch 44 is disconnected, the upper part and the lower part of the rear end first connecting rod 40 are divided into two parts, so that the rear end fixed cylinder 26 is separated from the whole machine, the hydraulic pump 11 drives the steering round gear shaft 41 of the rear end fixed steering mechanism 25 to rotate, the steering round gear 43 is driven to rotate, the steering round gear 43 rotates to drive the cylindrical gear 42 to rotate, the double-sided rack 47 is driven to rotate, the double-sided rack 47 rotates to drive the rack 19 to rotate, and the whole machine is driven to rotate; the whole machine is rotated to enter the next working surface, at the moment, the front end of the first working surface becomes the rear end of the second working surface, and the rear end of the first working surface becomes the front end of the second working surface; the second work surface starts to work after the rear end of the second work surface performs the fixing work.

The machine frame 19 is also provided with a step excavating and drilling mechanism 12, the step excavating and drilling mechanism 12 comprises a transverse rack 33 arranged on the machine frame 19, the upper end of a vertical connecting rod 48 is connected with an upper round gear shaft 49, the lower end of the vertical connecting rod is connected with a longitudinal rack 20, an upper round gear 21 is arranged on the upper round gear shaft 49 and meshed with the transverse rack 33, a middle round gear 13 is arranged on a middle round gear shaft 57 and meshed with the longitudinal rack 20, a middle round gear shaft sliding sleeve is arranged on the longitudinal rack 20, and the middle round gear shaft 57 can slide forwards and backwards along the middle round gear shaft sliding sleeve; the lower end of the middle circular gear shaft 57 is connected with an upper connecting plate 56 through a bearing, the upper connecting plate 56 is connected with a lifting driving mechanism, the lifting driving mechanism is connected with an adapter 50, the adapter 50 is used for connecting a step excavation barrel cutter or a drill bit, and the lifting driving mechanism is used for driving the adapter 50 to lift.

The lifting driving mechanism comprises a vertical rack 55, the left vertical rack 55 and the right vertical rack 55 are connected with the upper connecting plate 56, a lower circular gear 53 is arranged on the lower circular gear shaft 52 and meshed with the vertical rack 55, a lower connecting plate 51 is connected between the two lower circular gear shafts 52, the upper end of a central shaft 54 is connected with the lower connecting plate 51 through a bearing, and the lower end of the central shaft 54 is connected with the conversion joint 50.

The action and working principle of the step excavating and drilling mechanism 12 are: the hydraulic pump 11 drives the middle shaft 54 to rotate so as to drive the step excavation barrel knife or the drill bit to rotate, and the step excavation barrel knife or the drill bit can move left and right, front and back and up and down at the same time of rotating, so that the step 2 excavation or drilling operation is completed.

Working principle of left and right movement of step excavation and drilling mechanism 12: the hydraulic pump 11 drives the upper round gear 21 to rotate, and because the upper round gear 21 is meshed with the transverse rack 33, the upper round gear 21 rotates to drive the upper round gear shaft 49 to move left and right, the upper round gear shaft 49 moves left and right to drive the vertical connecting rod 48 to move left and right, the vertical connecting rod 48 moves left and right to drive the longitudinal rack 20 to move left and right with the middle round gear 13 and the middle round gear shaft 57, the longitudinal rack 20 moves left and right with the middle round gear 13 and the middle round gear shaft 57 to drive the upper connecting plate 56 and the vertical rack 55 to move left and right, the upper connecting plate 56 and the vertical rack 55 move left and right to drive the lower connecting plate 51 to move left and right, and the lower connecting plate 51 moves left and right to drive the middle shaft 54 to move left and right, and the middle shaft 54 moves left and right to drive the excavation tool or the drill bit.

Working principle of front and back movement of the step excavating and drilling mechanism 12: the hydraulic pump 11 drives the middle circular gear shaft 57 to rotate, and as the middle circular gear 13 is meshed with the longitudinal rack 20, the middle circular gear shaft 57 moves forwards and backwards along the middle circular gear shaft sliding sleeve while rotating, the front and back movement of the middle circular gear shaft 57 drives the upper connecting plate 56 and the vertical rack 55 to move forwards and backwards, the front and back movement of the upper connecting plate 56 and the vertical rack 55 drives the lower connecting plate 51 to move forwards and backwards, the front and back movement of the lower connecting plate 51 drives the middle shaft 54 to move forwards and backwards, and the front and back movement of the middle shaft 54 drives the excavating barrel cutter or the drill bit to move forwards and backwards.

Working principle of up-and-down motion of the step excavating and drilling mechanism 12: the hydraulic pump 11 drives the lower circular gear shaft 52 to rotate, and the lower circular gear shaft 52 can move up and down while rotating due to the meshing of the lower circular gear 53 and the vertical rack 55, the lower circular gear shaft 52 moves up and down to drive the lower connecting plate 51 to move up and down, the lower connecting plate 51 moves up and down to drive the middle shaft 54 to move up and down, and the middle shaft 54 moves up and down to drive the excavating barrel cutter or the drill bit to move up and down.

The step construction width adjustment principle: because the step excavation and drilling mechanism 12 sets up a plurality of excavation barrel cutters, through the quantity of the diameter calculation excavation barrel cutter of step 2 design width and excavation barrel cutter, the sum of a plurality of excavation barrel cutter diameters is greater than step 2 design width, and a plurality of excavation barrel cutters set up around, through adjusting excavation barrel cutter left and right overlap a part, can make step 2 excavation construction width be step 2 design width.

Step 2 construction height adjustment principle: because the design heights of the steps 2 are different, the construction height adjustment of the steps 2 can be realized by adjusting the height of the excavation barrel knife.

Step 2, adjusting drilling position and depth: the drill bit moves left and right and forwards and backwards to find the drilling position, and the drilling and construction depth adjustment is realized through the up and down movement of the drill bit.

The frame 19 is provided with an engine 29, the engine 29 is connected with a gearbox 30, a transfer case 31, a hydraulic motor 10 and a hydraulic pump 11, which form a power system of the construction machine, and provide power for other mechanisms and devices, wherein the hydraulic motor 10, the hydraulic pump 11, a hydraulic cylinder, a hydraulic pipe, a hydraulic valve and the like form a hydraulic system.

The frame 19 is further provided with a running gear 32, the running gear 32 comprises a wheel shaft, a wheel hub and a tire, the wheel shaft is arranged on the frame 19 and driven by the hydraulic pump 11, the wheel shaft rotates to drive the wheel hub and the tire to rotate so as to realize running of the whole machine, and the running speed of the whole machine can be realized by adjusting the rotating speed of the wheel shaft through the hydraulic pump 11.

The cutting device is arranged on the frame 19 and comprises a cutting shaft 14 arranged on the frame 19, the cutting shaft 14 is connected with a cutting piece 15, and five sets of front-back, left-right and lower cutting devices are arranged on the frame 19 and used for cutting the back, two sides and the bottom respectively.

The cooling device is arranged on the frame 19 and comprises a water storage tank 28 arranged on the frame 19, the water storage tank 28 is connected with a water pump 27, the water pump 27 is connected with an air compressor 24, the air compressor 24 is connected with a nozzle 23, and the nozzle 23 is arranged near the cutting blade 15 so as to cool the cutting blade.

The lifting device is arranged on the frame 19 and comprises a universal suspension arm 16 arranged on the frame 19, and a lifting hook 17 and a steel wire rope 18 are arranged on the universal suspension arm 16.

The working principle of the hoisting device is as follows: firstly, a steel wire rope 18 passes through the step hole 3 and is connected to a screw hole of the guide fixing pipe 8 through a bolt joint 58, then the universal suspension arm 16 is extended to hook the hook 17 on the steel wire rope 18 passing through the step hole 3, the square excavating body 5 is lifted to the upper part of the filling body 6, the square excavating body 5 falls to a set position under the action of dead weight, and the square excavating body is positioned through the rubber damping block 7 of the guide fixing pipe 8.

The frame 19 is also provided with a control system 22 composed of a control element, control software, an operation switch and the like, and the speed of the drill core, the sinking amount of the fixed cylinder 26, the sinking speed, the rotating speed and the rotating amount of the whole machine, the position of the step 2 for excavation or the drilling position and the hole depth, the speed of the step 2 for excavation and drilling, the excavation working direction of the step 2, the width and the height of the step 2, the hoisting speed, the hoisting height, the hoisting position and the like can be controlled through the control system 22.

The quick construction technology of the half-filling half-cut stone roadbed is that before construction, the demarcation point of the half-filling half-cut stone roadbed is found according to the designed elevation of the roadbed top, and then a construction scheme is determined according to the position of the demarcation point. If the demarcation point is just near the center line of the subgrade, which is the best result, the body of excavation can be moved entirely to fill the subgrade, just to fill the balance. If the demarcation point is deviated to fill, the filling volume is small, the excavation volume is large, the overall moving excavation volume can be determined according to the filling volume, and the rest excavation volume is processed into stones after being mined in other modes and is used for water prevention and drainage, guardrail concrete engineering and other unbalanced filling places. If the boundary point is deviated to the excavation direction, the filling volume is large, the excavation direction is small, the filling balance point (the filling balance point is positioned below the boundary point) is found, and the whole stone body of the excavation direction is moved to the roadbed of the filling direction at the filling balance point; because the filling balance point is below the demarcation point, the roadbed top after the whole movement does not reach the designed height, and the missing part is filled with redundant excavation stones.

The concrete design scheme is that a demarcation point and a filling balance point of a half-filling and half-digging stone roadbed are found, a construction range of a mountain to be moved is divided, and a construction scheme and a construction starting point are determined. According to the concrete parameters of the filling body 6 and the excavating body 5, the number, width, height and position coordinates of the construction steps 2 of the filling body 6 and the excavating body 5 are determined, and the fact that the excavating body 5 just moves into the filling body 6 after construction is guaranteed (as shown in figure 1, 4 is a mountain surface). Round holes are formed in the square excavating body 5 and the filling body 6, a guide fixing pipe 8 is arranged in the round hole of the step 2 of the filling body 6, a rubber damping block 7 is arranged on the pipe body of the guide fixing pipe 8, and the damping block is used for reducing the falling speed of the square excavating body 5 during installation and fixing the position of the square excavating body 5. Screw holes are formed in the upper end of the guide fixing pipe 8, positioning holes are formed in the fixing steel plate 1, the bolts 9 penetrate through the positioning holes to be connected with the guide fixing pipe 8, and the processed square excavating body 5 and the processed filling body 6 are fixed into a whole through the fixing steel plate 1, the guide fixing pipe 8 and the bolts 9.

The concrete construction scheme is that the mechanical excavation step 2 is used for drilling, the excavation body 5 is cut, the guide fixing pipe 8 is installed, the machined excavation body 5 is moved into the machined filling body 6, and finally the machined excavation body 5 and the filling body 6 are fixed into a whole through the fixing steel plate 1, the guide fixing pipe 8 and the bolts 9.

The quick construction process of the half-filling and half-digging stone roadbed comprises the following steps:

Step 1, determining a demarcation point of a half-filled semi-excavated subgrade according to the designed elevation of the subgrade top;

Step 2, calculating a half-filling and half-digging stone roadbed filling and digging balance point according to the total width of the roadbed and the outline dimension of the mountain;

Step 3, dividing a construction range of a mountain to be moved according to the boundary points and the filling balance points of the half-filling and half-digging stone roadbed, and determining a construction starting point; determining the number, width, height and position coordinates of the construction steps 2 of the filling body 6 and the excavating body 5 according to the specific parameters of the filling body 6 and the excavating body 5;

Step 4, starting the one-step molding construction machine of the half-filled half-cut stone subgrade to a preset construction site, opening a core drilling button, and starting core drilling operation; after the coring operation is completed, the core withdrawal button is opened, and the core barrel 34 is moved up to a set position; then the fixing button is opened, the fixing cylinder 26 descends into the core hole, and the friction force acts on the core hole to be fixed, so that the fixing of the whole machine is completed;

Step 5, determining the number, the positions and the depth of the excavation barrel cutters according to the designed width and the height of the steps 2, then opening the excavation buttons of the steps 2, and excavating the steps 2 by the excavation barrel cutters according to the set speed and the set direction;

Step 6, moving the drill bit to a set position, opening a drilling button, and completing drilling work;

Step 7, adjusting the cutting piece 15 to a set position, opening a cutting button, and finishing cutting of the square body 5;

step 8, installing the guide fixing tube 8 in the step hole 3;

step 9, enabling the steel wire rope 18 to pass through the step hole 3, enabling a bolt joint 58 at the end of the steel wire rope to be connected to a screw hole of the guide fixing pipe 8, then extending the universal suspension arm 16 to hook the steel wire rope 18 passing through the step hole 3 by the suspension hook 17, lifting the square excavating body 5 to the upper part of the filling body 6, enabling the square excavating body 5 to fall to a set position along the guide fixing pipe 8 under the action of dead weight, and positioning the square excavating body through the rubber damping block 7; removing the wire rope 18 bolted joint 58 from the guide fixing tube 8;

And 10, arranging the fixed steel plate 1 above the square body 5 by aligning the guide fixing pipe 8 with the positioning hole, installing the bolt 9 into a screw hole at the upper end of the guide fixing pipe 8, and fixing the processed square body 5 and the filler 6 into a whole.

The engine 29, the gearbox 30, the transfer case 31, the hydraulic motor 10 and the hydraulic pump 11 on the frame 19 form a power system of the construction machine, and power is provided for other mechanisms and devices; the fixed steering mechanism 25 has two functions of fixing and steering, and the fixing function of the fixed steering mechanism 25 is to fix the whole machine on a stone roadbed so as to ensure the safety of finishing the work of excavating the step 2, drilling, hoisting and the like; the steering function of the fixed steering mechanism 25 is that after the whole machine completes the set working content of the first working surface, as the fixed steering mechanisms 25 are respectively arranged at the two ends of the whole machine, the fixed steering mechanisms 25 at the front end cancel the fixed work, and the fixed steering mechanisms 25 at the rear end perform the steering work to enable the whole machine to integrally rotate into the next working surface, at the moment, the front end of the first working surface becomes the rear end of the second working surface, and the rear end of the first working surface becomes the front end of the second working surface, thus circularly completing the work of all the working surfaces; the step excavating and drilling mechanism 12 has the functions that the hydraulic pump 11 drives the center shaft 54 to rotate so as to drive the step excavating barrel knife or the drill bit to rotate, and the step excavating barrel knife or the drill bit can move left and right, front and back and up and down at the same time of rotating so as to finish the step 2 excavating or drilling operation; the rapid construction machine and the rapid construction process for the half-filling and half-digging stone roadbed can effectively assist operators to rapidly construct the half-filling and half-digging stone roadbed of the expressway, improve construction efficiency and reduce construction cost.

Claims (7)

1. The quick construction machine for the half-filling and half-digging stone roadbed comprises a frame (19), and is characterized in that:

The fixed steering mechanism (25) is arranged on the frame (19), the fixed steering mechanism (25) comprises a double-sided rack (47) vertically arranged on the frame (19), a fixed round gear (46) is arranged on a round gear shaft (45) and meshed with external teeth of the double-sided rack (47), the upper end of an L-shaped first connecting rod (40) is connected with the fixed round gear shaft (45), a clutch (44) is arranged in the middle of the L-shaped first connecting rod, a fixed cylinder (26) is connected with the lower end of the L-shaped first connecting rod, and the fixed cylinder (26) is a conical cylinder; the lower end of the double-sided rack (47) is connected with a cylindrical gear (42), a steering circular gear (43) is arranged on a steering circular gear shaft (41) and meshed with the cylindrical gear (42), and the steering circular gear shaft (41) is arranged on the first connecting rod (40) through a bearing; the fixed steering mechanism (25) further comprises a core barrel (34), and the core barrel (34) can move up and down along the height direction of the double-sided rack (47);

The machine frame (19) is further provided with a step excavation and drilling mechanism (12), the step excavation and drilling mechanism (12) comprises a transverse rack (33) arranged on the machine frame (19), the upper end of a vertical connecting rod (48) is connected with an upper circular gear shaft (49), the lower end of the vertical connecting rod is connected with a longitudinal rack (20), an upper circular gear (21) is arranged on the upper circular gear shaft (49) and meshed with the transverse rack (33), a middle circular gear (13) is arranged on a middle circular gear shaft (57) and meshed with the longitudinal rack (20), the lower end of the middle circular gear shaft (57) is connected with an upper connecting plate (56) through a bearing, the upper connecting plate (56) is connected with a lifting driving mechanism, the lifting driving mechanism is connected with a conversion connector (50), and the conversion connector (50) is used for connecting a step excavation barrel cutter or a drill bit, and the lifting driving mechanism is used for driving the conversion connector (50) to lift;

The hydraulic control device is characterized in that an engine (29) is arranged on the stand (19), the engine (29) is sequentially connected with a gearbox (30), a transfer case (31), a hydraulic motor (10) and a hydraulic pump (11), a control device (22) is further arranged on the stand (19), and an operation switch used for controlling the sinking amount and the sinking speed of the fixed cylinder (26) and the rotating speed and the moving speed of the conversion joint (50) is arranged on the control device (22).

2. The rapid construction machine for a half-filled stony roadbed according to claim 1, wherein: the hydraulic pump is characterized in that a traveling device (32) is further arranged on the frame (19), the traveling device (32) comprises a wheel shaft, a wheel hub and a tire, and the wheel shaft is arranged on the frame (19) and driven by the hydraulic pump (11).

3. The rapid construction machine for a half-filled stony roadbed according to claim 1, wherein: the fixed steering mechanism (25) further comprises a core drilling circular gear (39) meshed with the inner teeth of the double-sided rack (47), one end of the transverse connecting rod (38) is connected with the core drilling circular gear shaft (35), the other end of the transverse connecting rod is connected with the core drilling circular gear shaft (37) through a bearing, the core drilling circular gear (39) is rotatably arranged on the core drilling circular gear shaft (35), and the lower end of the core drilling circular gear shaft (37) is connected with the core drilling barrel (34).

4. The rapid construction machine for a half-filled stony roadbed according to claim 1, wherein: the lifting driving mechanism comprises a vertical rack (55), the left vertical rack (55) and the right vertical rack (55) are connected with the upper connecting plate (56), a lower round gear (53) is arranged on a lower round gear shaft (52) and meshed with the vertical rack (55), a lower connecting plate (51) is connected between the two lower round gear shafts (52), the upper end of a middle shaft (54) is connected with the lower connecting plate (51) through a bearing, and the lower end of the middle shaft is connected with the conversion joint (50).

5. The rapid construction machine for a half-filled stony roadbed according to claim 1, wherein: the cutting device is arranged on the frame (19), the cutting device comprises a cutting shaft (14) arranged on the frame (19), the cutting shaft (14) is connected with a cutting piece (15), five sets of front-back, left-right and lower cutting devices are arranged on the frame (19), and back, two sides and bottom cutting is respectively carried out.

6. The rapid construction machine for a half-filled stony roadbed according to claim 5, wherein: be provided with cooling device on frame (19), cooling device including set up in storage water tank (28) on frame (19), storage water tank (28) are connected with water pump (27), water pump (27) are connected with air compressor (24), air compressor (24) are connected with nozzle (23), nozzle (23) set up in near cutting blade (15) in order to cool off it.

7. The rapid construction machine for a half-filled stony roadbed according to claim 1, wherein: the lifting device is arranged on the frame (19), and comprises a universal suspension arm (16) arranged on the frame (19), and a lifting hook (17) and a steel wire rope (18) are arranged on the universal suspension arm (16).