CN216198125U

CN216198125U - Compound blade disc of pipe push bench that possesses broken rock ability of high strength

Info

Publication number: CN216198125U
Application number: CN202122986564.5U
Authority: CN
Inventors: 王会民; 刘洪亮
Original assignee: Jiangsu Tiandun Heavy Industry Machinery Technology Co ltd
Current assignee: Jiangsu Tiandun Heavy Industry Machinery Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-05
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a push bench composite cutter head with high-strength rock breaking capacity, which comprises a cutter head panel, an inner ring rib and a spline housing, wherein the cutter head panel comprises main cutting cutters, double-edged hob assemblies, splayed-edged cutters, a manhole cover and an adjusting mechanism, a mud inlet and a high-pressure water spray port are uniformly formed in the cutter head panel, a plurality of main cutting cutters are radially arranged on two sides of the cutter head panel, a plurality of double-edged hob assemblies are radially arranged on the other two sides of the cutter head panel, the splayed-edged cutters are uniformly and fixedly connected on the circumference of the top surface of the cutter head panel, a plurality of oblique double-edged hob assemblies are arranged on the outer circumference of the inner ring rib, a housing is arranged on the inner side of the middle part of the spline housing, a reinforcing plate is arranged above the housing, a plurality of reinforcing ribs are uniformly arranged between the bottom end of the reinforcing plate and the top end of the housing, and a drill bit is arranged at the top end of the reinforcing plate. Has the advantages that: under the action of the drill bit, the adjusting mechanism is matched, so that the rock breaking capacity and the mud discharging capacity are improved, and the working efficiency of the composite cutter head is higher.

Description

Compound blade disc of pipe push bench that possesses broken rock ability of high strength

Technical Field

The utility model relates to the technical field of composite cutter heads, in particular to a composite cutter head of a push bench, which has high-strength rock breaking capacity.

Background

The pipe jacking technology is widely applied to trenchless laying of various pipelines such as urban underground water supply and drainage pipelines, natural gas and petroleum pipelines, communication cables and the like in coastal economically developed areas in China, and can pass through highways, railways, bridges, mountains, rivers, straits and any buildings on the ground. By adopting the technology for construction, a large amount of expropriated land removal cost can be saved, the environmental pollution and the road blockage can be reduced, and the economic benefit and the social benefit are remarkable.

Under the different geological conditions, will select different pipe pushing jack blade discs, under composite geological conditions, the complicated operating mode of geological conditions can not be satisfied to the blade disc of single function, under the geological conditions that needs are complicated, when meetting hard rock, rely on the blade disc to carry out direct broken rock, it is too big to the harm of blade disc itself, can bring too much cost of maintenance after the work is accomplished, thereby cause the economic loss of enterprise, simultaneously in earth cleaning process, can not effectual regulation advance mud mouthful size, thereby lead to the jam of earth, cause the increase of the work degree of difficulty.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the push bench composite cutter head with high-strength rock breaking capacity, which has the advantage of high-strength rock breaking capacity, and further solves the problem of overlarge damage caused by direct rock breaking.

(II) technical scheme

In order to realize the advantage of the high-strength rock breaking capacity, the utility model adopts the following specific technical scheme:

the utility model provides a compound blade disc of pipe pushing jack that possesses broken rock ability of high strength, including the blade disc panel, the inner ring muscle, the spline housing, the blade disc panel includes main cutting sword, twolip hobbing cutter assembly, eight characters limit sword, manhole cover and adjustment mechanism, evenly seted up mud inlet and high pressure water jet on the blade disc panel, the twolip of blade disc panel upwards is provided with a plurality of main cutting sword, the other twolip of blade disc panel upwards is provided with a plurality of twolip hobbing cutter assemblies, and a plurality of twolip hobbing cutter assemblies cross distribution, a plurality of eight characters limit sword of even fixedly connected with on the blade disc panel top surface circumference, be provided with a plurality of inclined twolip hobbing cutter assemblies on the outer circumference of inner ring muscle, spline housing middle part inboard is provided with the casing, the casing top is provided with the reinforcing plate, evenly be provided with a plurality of strengthening ribs between reinforcing plate bottom and the casing top, the reinforcing plate top is provided with the drill bit.

Furthermore, in order to ensure the stability of the main cutting knife in the working process and prevent the blockage caused by excessive soil under the action of a plurality of slag flowing ports, the slag flowing ports are formed in the two sides of the main cutting knife.

Furthermore, in order to reduce the vibration generated by the drill bit under the action of the buffer spring and play a buffering effect on the drill bit, the drill bit is further protected from being damaged, and a plurality of buffer springs are arranged inside the shell.

Furthermore, in order to control the distance between a group of stop blocks by adjusting a group of adjusting mechanisms under the action of the stop blocks, so as to achieve the purpose of realizing the size of the opening of the adjustable mud inlet, a plurality of adjustable mud inlets are arranged on the cutter head panel, and the stop blocks matched with the adjusting mechanisms are arranged in the adjustable mud inlets.

Furthermore, in order to ensure the horizontal movement of the stop block under the matching action of the stop block at the limit sliding grooves, the stop block is more stable in the moving process, and the limit sliding grooves matched with the stop block are arranged on the two transverse sides of the adjustable mud inlet.

Furthermore, in order to meet the soil layer with higher viscosity, when the composite cutter head contacts with the viscous soil, the soil can press the pressing block of the adjusting mechanism, so that the pressing block can slide downwards to drive the inclined plate to slide downwards, and simultaneously, the stop block can only slide in the horizontal direction under the action of the limit sliding groove, so that the sliding block can horizontally slide leftwards in the convex sliding groove under the matching action of the convex sliding groove and the sliding block, so that the distance between the stop blocks is increased, more soil can flow out, the soil can easily enter a muddy water bin of the pipe jacking machine through the cutter head panel, the adjusting mechanism comprises the pressing block arranged at the top end of the cutter head panel, a plurality of springs matched with the cutter head panel are arranged at the bottom end of the pressing block, an inclined plate is arranged at the bottom end of the pressing block and on one side inside the cutter head panel, and a convex sliding groove is formed in the middle part of the inclined plate, be provided with the sliding block in the convex spout, the one end that the swash plate was kept away from to the sliding block is provided with the connecting rod, and the one end and the dog fixed connection of sliding block are kept away from to the connecting rod.

(III) advantageous effects

Compared with the prior art, the utility model provides the push bench composite cutter head with high-strength rock breaking capacity, which has the following beneficial effects:

(1) the composite cutter head can adapt to pipe jacking work under complex geological conditions, the rock breaking capacity is improved and the abrasion degree of the blades in the cutter head is reduced by arranging the drill bit, and meanwhile, the working under different clay working conditions is met by adjusting the opening size of the adjustable mud inlet in the cutter head panel, so that the loss of the composite cutter head is reduced, and the maintenance cost is saved.

(2) Under adjustment mechanism's effect, through the regulation to adjustable mud inlet to guaranteed under the different operational environment, control the size of different mud outlets, during making earth get into the muddy water storehouse of pipe pushing jack through the blade disc panel easily, thereby guarantee thereby to make the work efficiency who improves compound blade disc.

(3) Under buffer spring's effect, reduced the vibrations that the drill bit produced, played the effect of buffering for the drill bit simultaneously, further protection drill bit is not harmd, and simultaneously under the effect of drill bit, improve broken rock ability for the work efficiency of this compound blade disc is higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a composite cutter head of a push bench with high-strength rock breaking capability according to an embodiment of the utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a back view of a push bench compound cutter with high strength rock breaking capability according to an embodiment of the utility model;

FIG. 4 is one of the schematic structural diagrams of a spline sleeve in a composite cutter head of a push bench with high-strength rock breaking capability according to an embodiment of the present invention;

FIG. 5 is a second schematic structural diagram of a spline sleeve in a composite cutter head of a push bench according to an embodiment of the present invention, wherein the spline sleeve has high strength rock breaking capability;

FIG. 6 is a schematic structural diagram of an adjusting mechanism in a composite cutter head of a push bench with high-strength rock breaking capability according to an embodiment of the utility model;

FIG. 7 is a schematic mechanism diagram of an inclined plate in a composite cutter head of a push bench with high-strength rock breaking capability according to an embodiment of the utility model;

fig. 8 is a schematic structural diagram of a sliding block in a composite cutter head of a push bench with high-strength rock breaking capability according to an embodiment of the utility model.

In the figure:

1. a cutter head panel; 11. a main cutting blade; 111. a slag flowing port; 12. a double-edged hob assembly; 13. a splayed edge cutter; 14. a manhole cover; 15. an adjustment mechanism; 1501. a pressing block; 1502. a spring; 1503. a sloping plate; 1504. a convex chute; 1505. a slider; 1506. a connecting rod; 16. a sludge inlet; 17. a high-pressure water jet; 18. an adjustable sludge inlet; 1801. a limiting chute; 19. a stopper; 2. inner ring ribs; 3. a spline housing; 31. a housing; 32. a reinforcing plate; 33. reinforcing ribs; 34. a drill bit; 35. a buffer spring.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to the embodiment of the utility model, the composite cutter head of the pipe jacking machine with high-strength rock breaking capacity is provided.

Referring to the drawings and the detailed description, as shown in fig. 1-8, the pipe jacking machine composite cutter head with high-strength rock breaking capability according to the embodiment of the utility model comprises a cutter head panel 1, an inner ring rib 2 and a spline housing 3, wherein the cutter head panel 1 comprises a main cutting tool 11, a double-edge hob assembly 12, splayed edge tools 13, a manhole cover 14 and an adjusting mechanism 15, a mud inlet 16 and a high-pressure water spray 17 are uniformly formed in the cutter head panel 1, a plurality of main cutting tools 11 are radially arranged on two sides of the cutter head panel 1, a plurality of double-edge hob assemblies 12 are radially arranged on the other two sides of the cutter head panel, the double-edge hob assemblies 12 are distributed in a cross shape, and a plurality of splayed edge tools 13 are uniformly and fixedly connected to the circumference of the top surface of the cutter head panel 1; a plurality of oblique double-edged hob assemblies 12 are arranged on the outer circumference of the inner ring rib 2; the middle inner side of the spline housing 3 is provided with a shell 31, a reinforcing plate 32 is arranged above the shell 31, a plurality of reinforcing ribs 33 are uniformly arranged between the bottom end of the reinforcing plate 32 and the top end of the shell 31, and a drill bit 34 is arranged at the top end of the reinforcing plate 32.

By means of the technical scheme, the composite cutter head can adapt to pipe jacking work under complex geological conditions, the rock breaking capacity is improved by arranging the drill bit, the abrasion degree of the blades in the cutter head is reduced, meanwhile, the working under different clay soil working conditions is met by adjusting the opening size of the adjustable mud inlet in the cutter head panel, the loss of the composite cutter head is reduced, the maintenance cost is saved, and meanwhile, under the action of the adjusting mechanism 15, the size of different mud outlets is controlled by adjusting the adjustable mud inlet 18 to ensure that the working environment is different, so that the working efficiency of the composite cutter head is improved.

In one embodiment, as for the main cutting blade 11, the slag discharge ports 111 are formed on both sides of the main cutting blade 11, so that under the action of the slag discharge ports 111, the stability of the main cutting blade 11 during the working process is ensured, and the obstruction caused by excessive mud is prevented.

In one embodiment, for the housing 31, a plurality of buffer springs 35 are disposed inside the housing 31, so that the vibration generated by the drill bit 34 is reduced under the action of the buffer springs 35, and the drill bit is buffered, thereby further protecting the drill bit from being damaged.

In an embodiment, for the cutterhead panel 1, a plurality of adjustable mud inlets 18 are formed in the cutterhead panel 1, and stoppers 19 matched with the adjusting mechanisms 15 (a group of adjusting mechanisms) are arranged inside the adjustable mud inlets 18, so that under the action of the stoppers 19, the distance between the group of stoppers 19 is controlled by adjusting the group of adjusting mechanisms 15, and the purpose of realizing the size of the opening of the adjustable mud inlets 18 is achieved.

In an embodiment, for the adjustable mud inlet 18, the limit chutes 1801 matched with the stoppers 19 are formed on two lateral sides of the adjustable mud inlet 18, so that the horizontal movement of the stoppers 19 is ensured under the matching action of the limit chutes 1801 and the stoppers 19, and the stoppers 19 are more stable in the moving process.

In one embodiment, for the above-mentioned adjusting mechanism 15, the adjusting mechanism 15 includes a pressing block 1501 disposed at the top end of the cutterhead panel 1, a plurality of springs 1502 disposed at the bottom end of the pressing block 1501 are matched with the cutterhead panel 1, a sloping plate 1503 disposed at the bottom end of the pressing block 1501 and on one side of the inside of the cutterhead panel 1, a convex chute 1504 disposed at the middle of the sloping plate 1503, a sliding block 1505 disposed in the convex chute 1504, a connecting rod 1506 disposed at the end of the sliding block 1505 away from the sloping plate 1503, and a stop 19 fixedly connected to the end of the connecting rod 1506 away from the sliding block, so that when a soil layer with high viscosity is encountered, the soil presses the pressing block of the adjusting mechanism 15 when contacting with the viscous soil, the pressing block 1501 slides downward to drive the sloping plate 1503 to slide downward, and the stop 19 can only slide in the horizontal direction under the action of the limit chute 1801, under the cooperation of the convex sliding groove 1504 and the sliding block 1505, the sliding block 1505 slides horizontally leftwards in the convex sliding groove 1504, so that the distance between the stop blocks 19 is increased, more mud flows out, and the mud easily enters a mud water bin of the push bench through the cutterhead panel 1.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the driving system of the push bench pushes the cutterhead panel 1 towards the soil layer, the soil layer is softened and broken under the injection of high-pressure water along with the rotary pushing of the cutterhead panel 1, when the soil layer meets rocks, the drill bit 34 firstly breaks the rocks, the drill bit 34 slightly rebounds when just contacting the rocks, the main cutting knife 11 and the splayed knife 13 simultaneously push in to cut the soil layer, muddy water and sand are flushed into the mud inlet 16 under the action of water flow after the drill bit breaks the large rocks, other rocks are continuously broken by the double-edged hob assembly 12 after the drill bit breaks the soils, at the moment, the soil presses the press block of the adjusting mechanism 15 when the composite cutterhead passes through the viscous contact when the soil layer with higher viscosity is met, thereby press the briquetting 1501 and can slide down to drive swash plate 1503 lapse, dog 19 can only carry out the slip of horizontal direction under the effect of spacing spout 1801 simultaneously, thereby under the mating reaction of convex spout 1504 and sliding block 1505, make sliding block 1505 horizontal slip left in convex spout 1504, thereby make the distance grow between the dog 19, thereby make more earth flow out, make earth get into in the muddy water storehouse of push bench through blade disc panel 1 easily.

In summary, by means of the above technical scheme of the present invention, the composite cutter head of the present invention can adapt to pipe jacking work under complex geological conditions, the rock breaking capacity is improved by arranging the drill bit, the wear degree of the blades in the cutter head is reduced, and meanwhile, the size of the opening of the adjustable mud inlet in the cutter head panel is adjusted to meet the work under the working conditions of different clay soil, so that the loss of the composite cutter head is reduced, thereby saving the maintenance cost, and meanwhile, under the action of the adjusting mechanism 15, the size of different mud outlets is controlled by adjusting the adjustable mud inlet 18, thereby improving the work efficiency of the composite cutter head.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a compound blade disc of pipe push bench that possesses broken rock ability of high strength, includes blade disc panel (1), inner ring muscle (2), spline housing (3), its characterized in that:

the cutter head panel (1) comprises main cutting knives (11), double-edge hob assemblies (12), splayed edge knives (13), a manhole cover (14) and an adjusting mechanism (15), mud inlets (16) and high-pressure water spray nozzles (17) are uniformly formed in the cutter head panel (1), a plurality of main cutting knives (11) are radially arranged on two sides of the cutter head panel (1), a plurality of double-edge hob assemblies (12) are radially arranged on the other two sides of the cutter head panel, the double-edge hob assemblies (12) are distributed in a cross shape, and a plurality of splayed edge knives (13) are uniformly and fixedly connected to the circumference of the top surface of the cutter head panel (1);

a plurality of oblique double-edged hob assemblies (12) are arranged on the outer circumference of the inner ring rib (2);

the spline housing (3) middle part inboard is provided with casing (31), casing (31) top is provided with reinforcing plate (32), reinforcing plate (32) bottom with evenly be provided with a plurality of strengthening ribs (33) between casing (31) top, reinforcing plate (32) top is provided with drill bit (34).

2. The composite cutter head of the push bench with high-strength rock breaking capability according to claim 1, wherein slag flowing ports (111) are formed in both sides of the main cutting knife (11).

3. The push bench compound cutter with high-strength rock breaking capability according to claim 1 or 2, characterized in that a plurality of buffer springs (35) are arranged inside the shell (31).

4. The composite cutter head of the push bench with high-strength rock breaking capability according to claim 1, wherein a plurality of adjustable mud inlets (18) are formed in the cutter head panel (1), and a stop block (19) matched with the adjusting mechanism (15) is arranged in each adjustable mud inlet (18).

5. The push bench composite cutter head with high-strength rock breaking capability according to claim 4, characterized in that the adjustable mud inlet (18) is provided with limiting sliding grooves (1801) at two lateral sides thereof, which are matched with the stoppers (19).

6. The composite cutter head of the pipe pushing jack with the high-strength rock breaking capacity as claimed in claim 5, wherein the adjusting mechanism (15) comprises a pressing block (1501) arranged at the top end of the cutter head panel (1), a plurality of springs (1502) matched with the cutter head panel (1) are arranged at the bottom end of the pressing block (1501), a sloping plate (1503) is arranged at the bottom end of the pressing block (1501) and on one side of the inner portion of the cutter head panel (1), a convex sliding groove (1504) is formed in the middle of the sloping plate (1503), a sliding block (1505) is arranged in the convex sliding groove (1504), a connecting rod (1506) is arranged at one end of the sliding block (1505) far away from the sloping plate (1503), and one end of the connecting rod (1506) far away from the sloping plate (1503) is fixedly connected with the stop block (19).