CN217272328U - Auxiliary driving mechanism of push bench and slurry balance push bench - Google Patents

Abstract

The utility model provides an auxiliary drive mechanism and balanced push bench of muddy water of push bench belongs to engineering machine tool technical field. The technical scheme is as follows: the driving mechanism comprises a rotary cutter disc and a driving mechanism for driving the rotary cutter disc, the driving mechanism comprises a gear box, a plurality of gear shafts are evenly distributed in the circumferential direction on an end plate of the gear box, a driving gear is arranged on the gear shaft, a turntable bearing is arranged at the central position of the gear box, an inner ring of the turntable bearing is fixed on the gear box, an outer ring of the turntable bearing is provided with an outer gear ring meshed with the driving gear, a driving ring is arranged on an outer ring of the turntable bearing, the driving ring is connected with the rotary cutter disc through a cutter holder, a manhole is arranged on the cutter holder, center holes of the manhole and the turntable bearing are all plugged through a manhole cover plate, the gear shaft is all driven through a motor with a speed reducer, and the gear box is arranged on a shell of a push bench. The utility model has the advantages that: through adopting the slewing bearing, the passageway that the staff can get into has been increased at the intermediate position of pipe pushing jack.

Description

Auxiliary driving mechanism of push bench and slurry balance push bench

Technical Field

The utility model belongs to the technical field of engineering machine tool, especially, relate to an auxiliary drive mechanism and balanced push bench of muddy water of push bench.

Background

In modern city construction, often need carry out pipeline construction in downtown area, for solving pipeline construction to city building's destruction and the jam of road traffic, people utility model has directly at the non-excavation technique of underground excavation, and the pipe pushing jack is then one of the important equipment that non-excavation technique used. The pipe jacking machine mainly utilizes the theories of air pressure balance, muddy water balance and soil pressure balance, and pushes a tool pipe or a heading machine to a receiving well from a working well through a soil layer by means of the thrust between a main jacking oil cylinder and the pipeline during construction so as to lift the tool pipe or the heading machine, thereby realizing the installation of the pipeline without excavating above the soil layer. At present, a push bench is generally pushed by a main jacking oil cylinder of an originating well, so that the energy loss of a machine head is more, and the push bench is slowly pushed; in addition, the main jacking oil cylinder is far away from the machine head and cannot accurately control the advancing speed of the pipe pushing jack in the excavating process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a push bench's supplementary actuating mechanism and have this supplementary actuating mechanism's balanced push bench of muddy water.

The utility model discloses a realize through following measure: the utility model provides an auxiliary driving mechanism of push bench, its characterized in that is in including urceolus and setting the inside piston ring of urceolus, be provided with the hydro-cylinder fixed plate on the outer end inner wall of urceolus, the equipartition has a plurality of drive cylinder on the hydro-cylinder fixed plate, the casing of drive cylinder is fixed on the hydro-cylinder fixed plate, a plurality of the actuating lever of drive cylinder passes through annular connecting plate and connects, annular connecting plate and piston ring fixed connection, the casing tail end at push bench is fixed to the outer end of annular connecting plate.

The outer wall of piston ring with the interval has between the inner wall of urceolus, just be located on the inner wall of urceolus the inboard of annular connecting plate is provided with annular boss, the circumference equipartition has a plurality of guide bar on the outer wall of piston ring, be provided with on the annular boss with the guide way that the guide bar matches, the outer wall of annular connecting plate with the inner wall contact of urceolus.

And a sealing ring is arranged between the piston ring and the outer cylinder.

And a sealing ring is arranged between the piston ring and the outer cylinder. In the prior art, the power of the push bench comes from a pushing oil cylinder of an originating well, so that when the pipe section is increased, the energy loss of the rotary cutter head is more, and the construction efficiency is influenced. Therefore, the auxiliary driving mechanism is added at the tail end of the push bench, the piston ring is pushed to the tail end of the push bench through the push rod of the driving oil cylinder under the action of the driving oil cylinder, the whole push bench is driven to move forwards, and the auxiliary driving mechanism can work together with the pushing oil cylinder of the starting well.

The guide rod can prevent the piston ring from rotating in the outer cylinder during movement.

The utility model provides a balanced push bench of muddy water with auxiliary drive mechanism, its characterized in that, including auxiliary drive mechanism, auxiliary drive mechanism includes the urceolus and sets up the inside piston ring of urceolus, be provided with the hydro-cylinder fixed plate on the outer end inner wall of urceolus, the equipartition has a plurality of drive cylinder on the hydro-cylinder fixed plate, the casing of drive cylinder is fixed on the hydro-cylinder fixed plate, a plurality of the actuating lever of drive cylinder passes through annular connecting plate and connects, annular connecting plate and piston ring fixed connection, the casing tail end at the push bench is fixed to the outer end of annular connecting plate.

The outer wall of piston ring with the interval has between the inner wall of urceolus, just be located on the inner wall of urceolus the inboard of annular connecting plate is provided with annular boss, the circumference equipartition has a plurality of guide bar on the outer wall of piston ring, be provided with on the annular boss with the guide way that the guide bar matches, the outer wall of annular connecting plate with the inner wall contact of urceolus.

And a sealing ring is arranged between the piston ring and the outer cylinder.

The sludge discharge mechanism comprises a sewage discharge pipe positioned below the inner part of the shell, and the sludge inlet end of the sewage discharge pipe extends into the crushing bin;

still including being located the last inlet tube of the inside top of casing and being located the lower inlet tube of the inside below of casing, the play water end of last inlet tube and lower inlet tube all stretches into in smashing the storehouse, the play water end of lower inlet tube and last inlet tube all is higher than the mud end that advances of blow off pipe.

The water outlet end of the lower water inlet pipe is provided with a branch pipe communicated with the lower water inlet pipe, the branch pipe and the water outlet end of the lower water inlet pipe are positioned on two sides of the mud inlet end of the sewage discharge pipe, and the sewage discharge pipe, the upper water inlet pipe and the lower water inlet pipe are all provided with control valves.

The upper water inlet pipe and the lower water inlet pipe are connected with a water supply device through a water supply pipeline, and the sewage discharge pipe is connected with a sewage discharge device.

The water inlet pipe is characterized in that an arc-shaped water tank is arranged on the lower portion of the inner wall of the casing, the opening end of the arc-shaped water tank is fixed on the inner wall of the casing, a water outlet communicated with the arc-shaped water tank is formed in the inner wall, the arc-shaped water tank is communicated with the lower water inlet pipe or the upper water inlet pipe, water of the lower water inlet pipe or the upper water inlet pipe flows through the arc-shaped water tank firstly and then passes through a control valve of the lower water inlet pipe or the upper water inlet pipe, and the arc-shaped water tank can be directly connected with a water supply pipeline. When the movement of the rotary cutter head or the shell is blocked, water in the arc-shaped water tank can flow out along the outer wall of the shell, and can flow to the rotary cutter head under high pressure, and sundries on the rotary cutter head are washed along the outer wall of the shell.

Still include rotatory blade disc and drive the actuating mechanism of rotatory blade disc, actuating mechanism includes the gear box, circumference equipartition has a plurality of pinion shafts on the end plate of gear box, the gear shaft rotates to be set up on the end plate of gear box, the epaxial driving gear that just is located of gear box is provided with in the gear, the central point of gear box puts and is provided with the carousel bearing with one heart, the inner circle of carousel bearing is fixed on the gear box, the outer lane of carousel bearing just is located the inside of gear box be provided with driving gear meshed's outer ring gear, the outer lane of carousel bearing just keeps away from the one end of gear box is provided with the drive ring, the drive ring pass through the blade holder and be connected with rotatory blade disc, be provided with the manhole on the blade holder, the centre bore of manhole and carousel bearing all blocks up through the manhole apron, the gear shafts are driven by a motor with a speed reducer, and the gear box is arranged on a shell of the push bench. By adopting the turntable bearing, a passage for workers to pass through is formed in the middle of the push bench, so that the later maintenance and overhaul are facilitated; in addition, prevent that muddy water from getting into actuating mechanism through the manhole, designed correspondingly manhole cover plate, set up corresponding sealed pad on the working face of manhole cover plate and carousel bearing and connecting seat. The upper part of the casing is provided with a plurality of lifting rings.

The motor drives the driving gear on gear shaft and the gear shaft rotates, the driving gear drives rather than the outer ring gear rotation of meshing, outer ring gear drives the drive ring rotates, the drive ring drives blade holder and rotatory blade disc rotate.

The tool apron comprises a connecting seat connected with the driving ring, a plurality of radial inclined struts are evenly distributed at the edge of the connecting seat in the circumferential direction, a plurality of tooth-shaped protrusions are arranged on the side wall of the connecting seat, and the manhole is arranged on the connecting seat. The outer end of the inclined strut is connected with the rotary cutter head through an annular reinforcing plate. Dentate arch and bracing homoenergetic realize the abolishment to bold earth, the bracing can also improve with the joint strength of rotatory blade disc makes rotatory blade disc pivoted is more stable.

The rotary cutter head comprises a rotary table, a main cutter set arranged on the end face of the rotary table and an edge cutter set positioned at the joint of the side face and the end face of the rotary table;

the rotary disc is provided with a plurality of mud inlets, the main cutter set comprises a plurality of double-edged hobs I and breaking cutters arranged at the mud inlets, the edge cutter set comprises a plurality of circumferentially arranged double-edged hobs II and a plurality of circumferentially arranged annular cutters, and the upper end and the lower end of each double-edged hob II are provided with side cutters inclined to the end face of the rotary disc;

the top of the first double-edged hob, the top of the breaking knife and the top of the annular cutter are all higher than the end face of the turntable, and the top of the side cutter and the top of the second double-edged hob extend out of the side face of the turntable. The rotary disc is connected with the annular reinforcing plate.

The double-edged hob II are arranged along the radial direction of the rotary disc, the axis of the double-edged hob II is perpendicular to the axis of the rotary disc, the end face of the double-edged hob II is inclined to the end face of the rotary disc, the included angle is 90-180 degrees, and the included angle is generally an obtuse angle. The angle of the second double-edged hob can be determined according to actual conditions, and the inclination angle of each second double-edged hob can be the same or different.

The two annular cutters are generally in a group, and the double-edge hob is generally arranged at intervals with the annular cutters. The double-edged hob I and the breaking cutter are used for breaking the soil layer parallel to the end face of the rotary disc, the annular cutter can be used for cleaning the soil layer on the periphery of the rotary disc, the double-edged hob II and the side cutter are different in angle according to the setting, the cutting objects are also different, and when the double-edged hob II and the side cutter are 90 degrees, the double-edged hob I and the side cutter are mainly used for breaking the soil layer parallel to the end face of the rotary disc, and other angles are mainly used for breaking the soil layer on the periphery of the rotary disc.

Still including the mechanism of rectifying, the mechanism of rectifying includes the hydro-cylinder of rectifying of a plurality of along fixed plate circumference equipartition, the casing of the hydro-cylinder of rectifying is fixed on the casing, the tip of rectifying the pole of rectifying of the hydro-cylinder sets up the bulb, be provided with on the gear box with rectify the cylinder that the pole corresponds, be provided with on the cylinder with bulb complex spherical recess, the hydro-cylinder of rectifying is located the gear box is kept away from one side of outer ring gear. A gap is formed between the ball head and the spherical groove, so that the ball head can have small-amplitude movement allowance in the spherical groove.

The crushing bin is located behind the turntable.

The periphery of the cutter holder is provided with a conical baffle, the lower part of the conical baffle is provided with a plurality of filter holes, the small end of the conical baffle is arranged on the gear box, the other end of the conical baffle is arranged on the casing, the water outlet end of the upper water inlet pipe is positioned on the inner side of the conical baffle, and the water outlet end of the lower water inlet pipe and the mud inlet end of the sewage discharge pipe are positioned on the outer side of the conical baffle. The filtration hole on the toper baffle can filter muddy water, avoids the bold mud piece directly to fall blow off pipe department blocks the blow off pipe. The water outlet end of the lower water inlet pipe is close to the sewage discharge pipe, and the muddy water in the sewage discharge pipe is further flushed, so that the soil is prevented from being accumulated in the sewage discharge pipe, and the large mud blocks are broken through flushing.

Compared with the prior art, the beneficial effects of the utility model are that: by adopting the turntable bearing, a channel which can be accessed by a worker is added in the middle of the push bench, so that later-stage overhaul and maintenance are facilitated; the upper water inlet pipe and the lower water inlet pipe are designed in the sludge discharge mechanism, the upper water inlet pipe and the lower water inlet pipe are matched to facilitate the discharge of the sludge, and the lower water inlet pipe is provided with two paths and is positioned at two sides of the sewage discharge pipe, so that the sewage discharge efficiency is improved; in addition, in order to avoid the phenomenon that the rotary cutter head is clamped or the shell moves slowly in the working process of the push bench, water can be supplied to the outside through the arc-shaped water tank through the water outlet to wash the outer wall of the shell and flow to the direction of the rotary cutter head along the wall of the outer wall of the shell to wash sundries, and at the moment, the water paths of the upper water inlet pipe and the lower water inlet pipe can be closed; in order to improve the advancing efficiency of the push bench in the construction process, an auxiliary driving mechanism is arranged at the tail end of the push bench, and the advancing efficiency of the push bench is improved through the matching of the auxiliary driving mechanism and a pushing oil cylinder of an originating well.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of a push bench without an auxiliary driving mechanism;

FIG. 3 is a schematic structural view of a rotary cutter head, a driving mechanism and a deviation correcting mechanism;

FIG. 4 is a schematic view of the structure at a different angle from that of FIG. 3;

FIG. 5 is a schematic view of a rotary cutter head;

FIG. 6 is a schematic view of the tool holder;

FIG. 7 is a schematic view of an arc-shaped water tank;

FIG. 8 is an internal schematic view of the drive mechanism;

FIG. 9 is a schematic view of the auxiliary driving mechanism;

FIG. 10 is a schematic structural view of the inside of the outer tub;

wherein the reference numerals are: 1. a housing; 2. rotating the cutter head; 3. a tool apron; 4. a drive mechanism; 5. a deviation rectifying mechanism; 7. a sludge discharge mechanism; 8. a conical baffle; 9. an auxiliary drive mechanism; 10. a manhole; 12. an arc-shaped water tank; 101. a hoisting ring; 102. a water outlet; 201. a turntable; 202. a double-edged hob I; 203. breaking a knife; 204. a sludge inlet; 205. a double-edged hob II; 206. a circumferential cutter; 207. a side cutter; 301. a connecting seat; 302. bracing; 303. a tooth-shaped bulge; 304. an annular reinforcing plate; 401. a gear case; 402. a motor; 403. a turntable bearing; 404. a manhole cover plate; 405. an outer ring gear; 406. a drive ring; 407. a gear shaft; 408. a driving gear; 501. a deviation rectifying oil cylinder; 502. a cylinder; 701. a blow-off pipe; 702. a lower water inlet pipe; 703. an upper water inlet pipe; 7011 a mud inlet end; 7021. a water outlet end; 7022. a branch pipe; 801. a filtration pore; 901. an outer cylinder; 902. a driving oil cylinder; 903. an oil cylinder fixing plate; 904. a rib plate; 905. a connecting ring; 906. a piston ring; 9011. an annular boss; 9061. a guide bar; 1201. a water inlet.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

The first embodiment is as follows:

referring to fig. 1-10, a muddy water balance push bench comprises a rotary cutter disc 2 and a driving mechanism 4 for driving the rotary cutter disc 2, and is characterized in that the driving mechanism 4 comprises a gear box 401, a plurality of gear shafts 407 are uniformly distributed on an end plate of the gear box 401 in the circumferential direction, a driving gear 408 is arranged on the gear shaft 407 and located inside the gear box 401, a turntable bearing 403 is concentrically arranged at the center position of the gear box 401, an inner ring of the turntable bearing 403 is fixed on the gear box 401, an outer ring of the turntable bearing 403 and located inside the gear box 401 is provided with an outer gear ring 405 engaged with the driving gear 408, a driving ring 406 is arranged on an outer ring of the turntable bearing 403 and located at one end far from the gear box 401, the driving ring 406 is connected with the rotary cutter disc 2 through a cutter holder 3, a manhole 10 is arranged on the cutter holder 3, and central holes of the manhole 10 and the turntable bearing 403 are sealed by a manhole cover plate 404, the gear shafts 407 are each driven by a motor 402 with a speed reducer, and the gear box 401 is provided on the cabinet 1 of the push bench. Through the adoption of the turntable bearing 403, a passage for workers to pass through is formed in the middle of the push bench, so that the later maintenance and overhaul are facilitated; in addition, the mud water is prevented from entering the driving mechanism 4 through the manhole 10, a corresponding manhole cover plate 404 is designed, and corresponding sealing gaskets are arranged on the working surfaces of the manhole cover plate 404, the turntable bearing 403 and the connecting seat 301.

The motor 402 drives the gear shaft 407 and the driving gear 408 on the gear shaft 407 to rotate, the driving gear 408 drives the outer gear ring 405 engaged therewith to rotate, the outer gear ring 405 drives the driving ring 406 to rotate, and the driving ring 406 drives the tool apron 3 and the rotary cutterhead 2 to rotate.

The tool apron 3 comprises a connecting seat 301 connected with a driving ring 406, a plurality of radial inclined struts 302 are uniformly distributed at the edge of the connecting seat 301 in the circumferential direction, a plurality of tooth-shaped protrusions 303 are arranged on the side wall of the connecting seat 301, and a manhole 10 is arranged on the connecting seat 301. The outer end of the inclined strut 302 is connected with the rotary cutter head 2 through an annular reinforcing plate 304. The dentate bulge 303 and the inclined strut 302 can both break away large soil, and the inclined strut 302 can also improve the connection strength with the rotary cutter head 2, so that the rotary cutter head 2 is more stable in rotation.

The rotary cutter head 2 comprises a turntable 201, a main cutter group arranged on the end surface of the turntable 201 and an edge cutter group positioned at the joint of the side surface and the end surface of the turntable 201;

the rotary disc 201 is provided with a plurality of mud inlets 204, the main cutter set comprises a plurality of double-edged hob 202 and a breaking cutter 203 arranged at a mud inlet, the edge cutter set comprises a plurality of circumferentially arranged double-edged hob two 205 and a plurality of circumferentially arranged circumferential cutters 206, and the upper end and the lower end of the double-edged hob two 205 are provided with side cutters 207 inclined to the end face of the rotary disc 201;

the tops of the first double-edged hob 202, the breaking knife 203 and the annular cutter 206 are all higher than the end surface of the turntable 201, and the tops of the side cutter 207 and the second double-edged hob 205 all extend out of the side surface of the turntable 201. The rotating disk 201 is connected with an annular reinforcing plate 304.

The plurality of double-edged hob II 205 are arranged along the radial direction of the turntable 201, the axes of the double-edged hob II 205 are vertical to the axis of the turntable 201, the end face of the double-edged hob II 205 is inclined to the end face of the turntable 201, and the included angle is 90-180 degrees, and is generally an obtuse angle. The angle of the second double-edged hob 205 can be determined according to actual conditions, and the inclination angle of each second double-edged hob 205 can be the same or different.

The circular cutters 206 are generally grouped in two, and the double-edged hob 205 is generally spaced from the circular cutters 206.

The upper part of the casing 1 is provided with a plurality of lifting rings 101.

Example two:

on the basis of the first embodiment, the gear box structure further comprises a deviation rectifying mechanism 5, the deviation rectifying mechanism 5 comprises a plurality of deviation rectifying oil cylinders 501 uniformly distributed along the circumferential direction of the fixing plate, a shell of each deviation rectifying oil cylinder 501 is fixed on the corresponding shell 1, a ball head is arranged at the end part of a deviation rectifying rod of each deviation rectifying oil cylinder 501, a cylinder 502 corresponding to the deviation rectifying rod is arranged on the gear box 401, a spherical groove matched with the ball head is arranged on the cylinder 502, and the deviation rectifying oil cylinders 501 are located on one sides, far away from the gear ring, of the gear box 401. A gap is formed between the ball head and the spherical groove, so that the ball head can have small-amplitude movement allowance in the spherical groove.

Example three:

on the basis of the first embodiment or the second embodiment, the device further comprises a sludge discharge mechanism 7, wherein the sludge discharge mechanism 7 comprises a sewage discharge pipe 701 positioned below the inner part of the machine shell 1, and a sludge inlet end 7011 of the sewage discharge pipe 701 extends into the outer side of the connecting seat 301;

still include the last inlet tube 703 that is located the inside top of casing 1 and be located the inside lower inlet tube 702 of casing 1 below, the play water end 7021 of last inlet tube 703 and lower inlet tube 702 all stretches into the outside of connecting seat 301, and the play water end 7021 of lower inlet tube 702 and last inlet tube 703 all is higher than the mud end 7011 that advances of blow off pipe 701.

The water outlet end 7021 of the lower water inlet pipe 702 is provided with a branch pipe 7022 communicated with the lower water inlet pipe 702, the branch pipe 7022 and the water outlet end 7021 of the lower water inlet pipe 702 are positioned at two sides of the mud inlet end 7011 of the sewage discharge pipe 701, and the sewage discharge pipe 701, the upper water inlet pipe 703 and the lower water inlet pipe 702 are all provided with control valves.

The upper water inlet pipe 703 and the lower water inlet pipe 702 are connected to a water supply device through a water supply pipeline, and the sewage discharge pipe 701 is connected to a sewage discharge device.

The inner wall lower part of casing 1 is provided with arc basin 12, and arc basin 12 open end is fixed on the inner wall of casing 1, is provided with the outlet 102 with arc basin 12 intercommunication on the inner wall, and arc basin 12 communicates with lower inlet tube 702 or last inlet tube 703, and the control flap that the water of lower inlet tube 702 or last inlet tube 703 was flowed through arc basin 12 again through lower inlet tube 702 or last inlet tube 703 is passed through earlier, also can the lug connection supply line. When the rotary cutter head 2 or the machine shell 1 moves and is blocked, water in the arc-shaped water tank 12 can flow out along the outer wall of the machine shell 1 and can flow to the rotary cutter head 2 under high pressure, sundries in the rotary cutter head 2 are washed along the outer wall of the machine shell 1, and a water inlet 1201 is formed in the arc-shaped water tank 12.

The periphery of the tool apron 3 is provided with a conical baffle 8, the lower part of the conical baffle 8 is provided with a plurality of filtering holes 801, the small end of the conical baffle 8 is arranged on the gear box 401, the other end of the conical baffle 8 is arranged on the machine shell 1, the water outlet end 7021 of the upper water inlet pipe 703 is positioned on the inner side of the conical baffle 8, and the water outlet end 7021 of the lower water inlet pipe 702 and the sludge inlet end 7011 of the sewage discharge pipe 701 are positioned on the outer side of the conical baffle 8. The filter holes 801 on the conical baffle 8 can filter muddy water, and prevent large mud blocks from directly falling to the sewage pipe 701 to block the sewage pipe 701. The water outlet end 7021 of the lower water inlet pipe 702 is close to the sewage pipe 701, and the muddy water in the sewage pipe 701 is further washed away, so that the mud is prevented from being accumulated in the sewage pipe 701, and the large mud blocks are broken away through washing.

Example four:

on the basis of the first embodiment, the second embodiment or the third embodiment, an auxiliary driving mechanism 9 is arranged at the tail end of the casing 1, the auxiliary driving mechanism 9 includes an outer cylinder 901 and a piston ring 906 arranged inside the outer cylinder 901, a cylinder fixing plate 903 is arranged on the inner wall of the outer end of the outer cylinder 901, a plurality of driving cylinders 902 are uniformly distributed on the cylinder fixing plate 903, a casing of the driving cylinders 901 is fixed on the cylinder fixing plate 903, driving rods of the plurality of driving cylinders 902 are connected through an annular connecting plate, the annular connecting plate is fixed on the piston ring 906, and the outer end of the annular connecting plate is fixed at the tail end of the casing 1 of the push bench. A sealing ring is arranged between the piston ring 906 and the outer cylinder 901. In the prior art, the power of the push bench comes from a pushing oil cylinder of an initial well, so that when the pipe section is increased, the energy loss of the rotary cutter head 2 is more, and the construction efficiency is influenced. Therefore, the auxiliary driving mechanism 9 is added at the tail end of the push bench, and under the action of the driving oil cylinder 902, the piston ring 906 is pushed to the tail end of the push bench by the push rod of the driving oil cylinder 902, so that the whole push bench is driven to move forward, and the auxiliary driving mechanism 9 can work together with the push oil cylinder of the starting well.

An interval is arranged between the outer wall of the piston ring 906 and the inner wall of the outer barrel, an annular boss 9011 is arranged on the inner wall of the outer barrel, a plurality of guide rods 9061 are evenly distributed on the outer wall of the piston ring 906 in the circumferential direction, and a guide groove matched with the guide rods 9061 is formed in the annular boss 9011. The guide rod 9061 may prevent the piston ring 906 from rotating within the outer cylinder 901.

A connecting ring 905 is arranged on the oil cylinder fixing plate 903 through a rib plate 904, and the connecting ring 905 can be used for connecting other auxiliary driving mechanisms.

Example five:

the utility model provides an auxiliary driving mechanism of push bench, including auxiliary driving mechanism 9, auxiliary driving mechanism 9 includes urceolus 901 and sets up at the inside piston ring 906 of urceolus 901, be provided with hydro-cylinder fixed plate 903 on the outer end inner wall of urceolus 901, the equipartition has a plurality of actuating cylinder 902 on hydro-cylinder fixed plate 903, actuating cylinder 901's casing is fixed on hydro-cylinder fixed plate 903, the actuating lever of a plurality of actuating cylinder 902 passes through the annular connecting plate to be connected, the annular connecting plate with fix on piston ring 906, the outer end of annular connecting plate is fixed at 1 tail end of casing of push bench. A sealing ring is arranged between the piston ring 906 and the outer cylinder 901. In the prior art, the power of the push bench comes from a pushing oil cylinder of an initial well, so that when the pipe section is increased, the energy loss of the rotary cutter head 2 is more, and the construction efficiency is influenced. Therefore, the auxiliary driving mechanism 9 is added at the tail end of the push bench, and under the action of the driving oil cylinder 902, the piston ring 906 is pushed to the tail end of the push bench by the push rod of the driving oil cylinder 902, so that the whole push bench is driven to move forward, and the auxiliary driving mechanism 9 can work together with the push oil cylinder of the starting well.

An interval is arranged between the outer wall of the piston ring 906 and the inner wall of the outer barrel, an annular boss 9011 is arranged on the inner wall of the outer barrel, a plurality of guide rods 9061 are evenly distributed on the outer wall of the piston ring 906 in the circumferential direction, and a guide groove matched with the guide rods 9061 is formed in the annular boss 9011. The guide rod 9061 may prevent the piston ring 906 from rotating within the outer cylinder 901.

The oil cylinder fixing plate 903 is provided with a connecting ring 905 through a rib plate 904, and the connecting ring 905 can be used for connecting other auxiliary driving mechanisms.

Example six:

a push bench comprises a rotary cutter head 2 and a mud discharging mechanism 7, wherein the mud discharging mechanism 7 comprises a sewage discharge pipe 701 positioned at the lower part inside a shell 1 of the push bench, and a mud inlet end 7011 of the sewage discharge pipe 701 extends into the outer side of a connecting seat 301;

the device also comprises an upper water inlet pipe 703 positioned above the inside of the machine shell 1 and a lower water inlet pipe 702 positioned below the inside of the machine shell 1, wherein the water outlet ends 7021 of the upper water inlet pipe 703 and the lower water inlet pipe 702 extend to the inner side of the rotary cutter head 2, and the water outlet ends 7021 of the lower water inlet pipe 702 and the upper water inlet pipe 703 are higher than the mud inlet end 7011 of the sewage discharge pipe 701.

The water outlet end 7021 of the lower water inlet pipe 702 is provided with a branch pipe 7022 communicated with the lower water inlet pipe 702, the branch pipe 7022 and the water outlet end 7021 of the lower water inlet pipe 702 are positioned at two sides of the mud inlet end 7011 of the sewage discharge pipe 701, and the sewage discharge pipe 701, the upper water inlet pipe 703 and the lower water inlet pipe 702 are all provided with control valves.

The upper water inlet pipe 703 and the lower water inlet pipe 702 are connected to a water supply device through a water supply pipeline, and the sewage discharge pipe 701 is connected to a sewage discharge device.

The inner wall lower part of casing 1 is provided with arc basin 12, and arc basin 12 open end is fixed on the inner wall of casing 1, is provided with the outlet 102 with arc basin 12 intercommunication on the inner wall, and arc basin 12 communicates with lower inlet tube 702 or last inlet tube 703, and the control flap that the water of lower inlet tube 702 or last inlet tube 703 was flowed through arc basin 12 again through lower inlet tube 702 or last inlet tube 703 is passed through earlier, also can the lug connection supply line. When the rotary cutter head 2 or the machine shell 1 moves and is blocked, water in the arc-shaped water tank 12 can flow out along the outer wall of the machine shell 1 and can flow to the rotary cutter head 2 under high pressure, sundries in the rotary cutter head 2 are washed along the outer wall of the machine shell 1, and a water inlet 1201 is formed in the arc-shaped water tank 12.

Example seven:

a rotary cutter head of a push bench comprises a turntable 201, a main cutter set arranged on the end surface of the turntable 201 and an edge cutter set positioned at the joint of the side surface and the end surface of the turntable 201;

the rotary disc 201 is provided with a plurality of mud inlets 204, the main cutter set comprises a plurality of double-edged hob 202 and a breaking cutter 203 arranged at a mud inlet, the edge cutter set comprises a plurality of circumferentially arranged double-edged hob two 205 and a plurality of circumferentially arranged circumferential cutters 206, and the upper end and the lower end of the double-edged hob two 205 are provided with side cutters 207 inclined to the end face of the rotary disc 201;

the tops of the first double-edged hob 202, the breaking knife 203 and the annular cutter 206 are all higher than the end surface of the turntable 201, and the tops of the side cutter 207 and the second double-edged hob 205 extend out of the side surface of the turntable 201. The rotating disk 201 is connected with an annular reinforcing plate 304.

The plurality of double-edged hob II 205 are arranged along the radial direction of the turntable 201, the axes of the double-edged hob II 205 are vertical to the axis of the turntable 201, the end face of the double-edged hob II 205 is inclined to the end face of the turntable 201, and the included angle is 90-180 degrees, and is generally an obtuse angle. The angle of the second double-edged hob 205 can be determined according to actual conditions, and the inclination angle of each second double-edged hob 205 can be the same or different.

The circular cutters 206 are generally grouped in two, and the double-edged hob 205 is generally spaced from the circular cutters 206.

Example eight:

on the basis of embodiment seven, still include the blade holder of fixed rotatory blade disc, blade holder 3 includes connecting seat 301, and the edge circumference equipartition of connecting seat 301 has a plurality of radial bracing 302 that are, is provided with a plurality of dentate arch 303 on the lateral wall of connecting seat 301, is provided with manhole 10 on the connecting seat 301. The outer end of the inclined strut 302 is connected with the rotary cutter head 2 through an annular reinforcing plate 304. The dentate bulge 303 and the inclined strut 302 can both break away large soil, and the inclined strut 302 can also improve the connection strength with the rotary cutter head 2, so that the rotary cutter head 2 is more stable in rotation.

It should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.

Claims (8)

1. The utility model provides an auxiliary driving mechanism of push bench, its characterized in that is in including urceolus and setting the inside piston ring of urceolus, be provided with the hydro-cylinder fixed plate on the outer end inner wall of urceolus, the equipartition has a plurality of drive cylinder on the hydro-cylinder fixed plate, the casing of drive cylinder is fixed on the hydro-cylinder fixed plate, a plurality of the actuating lever of drive cylinder passes through annular connecting plate and connects, annular connecting plate and piston ring fixed connection, the casing tail end at push bench is fixed to the outer end of annular connecting plate.

2. The auxiliary driving mechanism of push bench as claimed in claim 1, wherein an interval is provided between the outer wall of said piston ring and the inner wall of said outer cylinder, an annular boss is provided on the inner wall of said outer cylinder and inside said annular connecting plate, a plurality of guide rods are uniformly distributed on the outer wall of said piston ring in the circumferential direction, a guide groove matching with said guide rods is provided on said annular boss, and the outer wall of said annular connecting plate is in contact with the inner wall of said outer cylinder.

3. The auxiliary driving mechanism of push bench as claimed in claim 1 or 2, wherein a sealing ring is provided between said piston ring and outer cylinder.

4. The utility model provides a balanced push bench of muddy water with auxiliary drive mechanism, its characterized in that, including auxiliary drive mechanism, auxiliary drive mechanism includes the urceolus and sets up the inside piston ring of urceolus, be provided with the hydro-cylinder fixed plate on the outer end inner wall of urceolus, the equipartition has a plurality of drive cylinder on the hydro-cylinder fixed plate, the casing of drive cylinder is fixed on the hydro-cylinder fixed plate, a plurality of the actuating lever of drive cylinder passes through annular connecting plate and connects, annular connecting plate and piston ring fixed connection, the casing tail end at the push bench is fixed to the outer end of annular connecting plate.

5. The muddy water balanced push bench with the auxiliary driving mechanism as claimed in claim 4, wherein a space is provided between the outer wall of the piston ring and the inner wall of the outer cylinder, an annular boss is provided on the inner wall of the outer cylinder and located inside the annular connecting plate, a plurality of guide rods are uniformly distributed on the outer wall of the piston ring in the circumferential direction, a guide groove matched with the guide rods is provided on the annular boss, and the outer wall of the annular connecting plate is in contact with the inner wall of the outer cylinder.

6. The muddy water balanced push bench with the auxiliary driving mechanism as set forth in claim 4 or 5, characterized in that a sealing ring is provided between the piston ring and the outer cylinder.

7. The mud-water balance push bench with the auxiliary driving mechanism as claimed in claim 5, further comprising a mud discharging mechanism, wherein the mud discharging mechanism comprises a sewage discharging pipe located below the inside of the casing, and a mud inlet end of the sewage discharging pipe extends into the crushing bin;

still including being located the last inlet tube of the inside top of casing and being located the lower inlet tube of the inside below of casing, the play water end of last inlet tube and lower inlet tube all stretches into in smashing the storehouse, the play water end of lower inlet tube and last inlet tube all is higher than the mud end that advances of blow off pipe.

8. The mud-water balance push bench with auxiliary driving mechanism according to claim 7, wherein an arc-shaped water tank is arranged at the lower part of the inner wall of the casing, the open end of the arc-shaped water tank is fixed on the inner wall of the casing, a water outlet communicated with the arc-shaped water tank is arranged on the inner wall, the arc-shaped water tank is communicated with the lower water inlet pipe or the upper water inlet pipe, and water in the lower water inlet pipe or the upper water inlet pipe firstly flows through the arc-shaped water tank and then passes through the control valve of the lower water inlet pipe or the upper water inlet pipe.

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