CN219176332U - Push bench and cutterhead device thereof - Google Patents

Abstract

The utility model relates to a push bench and a cutterhead device thereof. The cutter head device comprises a cutter head frame and a cutter head, wherein the cutter head frame is fixedly arranged on the push bench, and a containing groove is formed in the cutter head frame; at least part of the cutterhead is fixedly arranged in the accommodating groove, and the outer diameter of the cutterhead is equal to the outer diameter of the cutterhead frame. The cutter disc frame can be provided with a plurality of different cutter discs, when different geological conditions are met in the construction process of the pipe pushing machine, the original cutter disc can be detached and replaced by the cutter disc suitable for the current geological conditions, so that the pipe pushing machine can construct different geology, the strain of the pipe pushing machine is improved, the construction cost is saved, and the construction efficiency is improved.

Description

Push bench and cutterhead device thereof

Technical Field

The utility model relates to engineering equipment, in particular to a pipe jacking machine and a cutter head device thereof.

Background

The cutter head of the general pipe jacking machine mostly adopts a single cutter tooth, has a simple structure, causes poor strain of the pipe jacking machine, has slow jacking speed due to insufficient rock breaking capacity in special geology such as rock and soil, and even causes that the machine head is blocked in the rock and soil and cannot work continuously; when encountering clay geology with larger viscosity, the cutter head may be full of clay and cannot continuously push in.

The push bench can meet various geology such as rock soil, sand soil, clay and the like in the jacking process, different cutters are needed to be used for different geology, the whole push bench needs to be replaced, and the construction cost is high.

Disclosure of Invention

The utility model provides a push bench and a cutterhead device thereof, which can replace cutterheads on the push bench at a construction site, so that the strain capacity of the push bench is greatly improved, and the push bench is suitable for various geology.

In order to achieve the above object, the present utility model provides a cutterhead device for a push bench, the cutterhead device comprising:

the cutter head frame is fixedly arranged on the push bench, and a containing groove is formed in the cutter head frame;

the cutter head is at least partially fixedly arranged in the accommodating groove, and the outer diameter of the cutter head is equal to the outer diameter of the cutter head frame.

Further, the shape of the cutterhead is matched with that of the accommodating groove.

Further, the accommodating groove and the cutterhead are in a round table shape, and the inner diameter of the cutterhead is equal to the inner diameter of the accommodating groove.

Further, a first mud hole is formed in the bottom of the accommodating groove and used for discharging mud and sand generated in the running process of the cutterhead from the cutterhead device; a plurality of uniformly distributed fixing plates are arranged around the first mud hole and used for fixing the cutterhead; a plurality of support rods are arranged between two adjacent fixing plates and used for supporting and reinforcing the cutterhead.

Further, the cutterhead includes, but is not limited to, shell cutterheads suitable for geotechnical geology, spoke cutterheads suitable for sandy geology, and faceplate cutterheads suitable for clay geology.

Further, the shell cutter comprises: the cutter head comprises a cutter head main body and a panel positioned on the end face of the cutter head main body;

the center area of the panel is provided with a plurality of first small shell cutters which are uniformly distributed, the outer edge area of the panel is provided with a plurality of big shell cutters which are uniformly distributed, and a second small shell cutter is arranged between two adjacent big shell cutters; a plurality of second mud holes surrounding the second small shell knife are formed between the second small shell knife and the big shell knife.

Further, the large shell blade, the first small shell blade and the second small shell blade all have high strength alloy wear resistant teeth.

Further, the spoke cutter comprises: the cutter head comprises a cutter head main body and a panel positioned on the end face of the cutter head main body;

the center area of the panel is provided with a fish tail cutter, the outer edge area of the panel is provided with a plurality of uniformly distributed rotary cutters, a third sludge discharge hole is formed between every two adjacent rotary cutters, and a cutter is arranged on the side edge of the third sludge discharge hole; the top and the bottom of the panel are respectively provided with a plurality of groups of hob for ensuring that the advancing direction of the push bench is not deviated.

Further, the panel cutter includes: a cutter head main body and a panel positioned on the end face of the cutter head main body;

the panel is provided with a cross-shaped cutter fixing plate, a plurality of cutters which are uniformly distributed are arranged on the side edge of the cross-shaped cutter fixing plate, and a center fixing frame is arranged at the center of the cross-shaped cutter fixing plate; a fourth mud hole is formed between the cross-shaped cutter fixing plate and the edge of the panel; a plurality of high strength alloy wear resistant teeth are evenly distributed along the circumference of the panel.

Based on the same conception, the utility model also provides a push bench which comprises the cutterhead device.

The utility model has the following advantages:

the cutterhead frame of the cutterhead device provided by the utility model can be provided with a plurality of different types of cutterheads, when different geological conditions are met in the construction process of the pipe pushing jack, the original cutterhead can be disassembled and replaced by the cutterhead suitable for the current geological conditions, so that the pipe pushing jack can construct different geology, the strain of the pipe pushing jack is improved, the construction cost is saved, and the construction efficiency is improved.

Drawings

FIG. 1 is a top view of a cutterhead holder;

FIG. 2 is a front view of the cutterhead holder;

fig. 3 is a top view of a shell cutter;

fig. 4 is a front view of a shell-type cutterhead and cutterhead holder;

FIG. 5 is a top view of the spoke cutterhead;

FIG. 6 is an elevation view of a spoke-type cutterhead and cutterhead holder;

fig. 7 is a top view of a faceplate type cutterhead;

fig. 8 is a front view of a faceplate type cutterhead and cutterhead holder.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the specific examples. Advantages and features of the utility model will become more apparent from the following description and from the claims. It is noted that the drawings are in a very simplified form and utilize non-precise ratios, and are intended to facilitate a convenient, clear, description of the embodiments of the utility model.

As described in the background art, various geology such as rock soil, sand soil, clay and the like can be encountered in the jacking process of the pipe pushing machine, different cutters are needed to be used for different geology, the whole pipe pushing machine needs to be replaced, and the construction cost is high.

In view of the above, the present utility model provides a cutterhead device for a push bench and a push bench, wherein the push bench comprises the cutterhead device, and the cutterhead device comprises: the pipe pushing device comprises a cutterhead frame fixedly arranged on the pipe pushing machine and a cutterhead fixedly arranged on the cutterhead frame.

As shown in fig. 1-2, the shell 1 of the cutterhead frame is cylindrical and is used for supporting an external soil body. The inside holding tank 6 that is provided with of blade disc frame is used for the holding installation the blade disc, the holding tank 6 bottom is equipped with first mud hole 5, first mud hole 5 is used for discharging the earth and the grit that produce in the blade disc operation process from the blade disc device, avoids earth and grit siltation to lead to the blade disc to unable normal operating in the blade disc. A plurality of evenly distributed fixing plates 3 are arranged around the first mud hole 5, mounting holes are formed in the fixing plates, and the cutter disc is fixed on the fixing plates 3 through fasteners 4, so that the cutter disc can be conveniently detached and mounted. The bottom of the accommodating groove 6 is also provided with a fixing hole and a plurality of supporting rods, the supporting rods are distributed between two adjacent fixing plates 3 and used for supporting and reinforcing the cutterhead, and the phenomenon that the cutterhead cannot work normally due to too large front resistance in work is prevented _。 In this embodiment, the number of the fixing plates 3 is three. The fasteners 4 include, but are not limited to, bolts, screws, and the like.

Further, the accommodating groove 6 comprises a circular truncated cone portion, the cutter head is in a circular truncated cone shape, and the shape of the cutter head is matched with the shape of the circular truncated cone portion, so that at least part of the cutter head is installed in the accommodating groove 6. Specifically, the inner diameter of the cutterhead is equal to the inner diameter of the round table part, and the outer diameter of the cutterhead is equal to the outer diameter of the cutterhead frame. The accommodating groove further comprises a cylindrical part for connecting with a motor.

The cutterhead comprises a cutterhead main body 22 and a panel 8 positioned on the end face of the cutterhead main body 22, wherein various cutters are arranged on the panel 8, and the cutterhead suitable for various geological conditions is designed according to the difference of the geological conditions. The bottom of the cutterhead main body is provided with a plurality of connecting holes corresponding to the mounting holes on the fixed plate 3, and the fastening pieces 4 sequentially penetrate through the mounting holes and the connecting holes to fix the cutterhead in the cutterhead frame. The cutterhead includes, but is not limited to, shell cutterheads suitable for geotechnical geology, spoke cutterheads suitable for sandy geology, and faceplate cutterheads suitable for clay geology.

As shown in fig. 3-4, the center area of the panel 8 of the shell-type cutterhead is provided with three uniformly distributed first small shell cutters 11, the outer edge area of the panel 8 is provided with three uniformly distributed big shell cutters 7, and a second small shell cutter 10 is arranged between two adjacent big shell cutters 7; a plurality of second mud holes 9 surrounding the second small shell knife 10 are arranged between the second small shell knife 10 and the big shell knife 7. The big shell cutter 7, the first small shell cutter 11 and the second small shell cutter 10 all have high-strength alloy abrasion resistant teeth. The design can ensure that an obstacle (such as strong weathered rock) is firstly cut by the big shell cutter 7, then crushed by the second small shell cutter 10 and then discharged into the push bench through the second mud hole 9.

As shown in fig. 5-6, a fishtail knife 16 is arranged in the central area of the panel 8 of the spoke type cutterhead, and five groups of knives are adopted for the fishtail knife 16; the top and the bottom of the panel 8 are also respectively provided with two groups of hob 14 positioned at the edge of the panel so as to ensure that the advancing direction of the push bench is not deviated; the outer edge area of the panel 8 is provided with four rotary cutters 12 which are uniformly distributed according to an angle of 90 degrees, a third mud hole 15 is arranged between every two adjacent rotary cutters 12, and cutters 13 are further distributed on the side edges of the third mud hole 15. The rotary knife 12 at the outer edge area of the panel 8 cuts sand, and then the sand is scattered by the cutters 13 distributed beside the rotary knife to enter the third mud hole 15 to be discharged into the push bench.

As shown in fig. 7-8, a cross-shaped cutter fixing plate 19 is arranged on the panel 8 of the panel-type cutter head, and a center fixing frame 20 is arranged in the center of the cross-shaped cutter fixing plate 19 and used for cutting soil at the middle position; a plurality of cutters 18 which are uniformly distributed are arranged along the circumferential direction of the cross-shaped cutter fixing plate 19; a plurality of high-strength alloy wear-resistant teeth 17 are uniformly distributed along the circumferential direction of the panel 8; a fourth mud hole 21 is arranged between the cross-shaped cutter fixing plate 19 and the edge of the panel 8, and clay is rotated into the fourth mud hole 21 through the rotary cutter 18 and then discharged into the push bench.

The cutter disc frame can be provided with a plurality of cutter discs with different functions, when different geological conditions are met in the construction process of the push bench, the original cutter disc can be detached and replaced by the cutter disc suitable for the current geological conditions, so that one push bench can construct different geology, the strain of the push bench is improved, the construction cost is saved, and the construction efficiency is improved.

While the present utility model has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the utility model. Many modifications and substitutions of the present utility model will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the utility model should be limited only by the attached claims.

Claims (10)

1. A cutterhead apparatus for a push bench, comprising:

the cutter head frame is fixedly arranged on the push bench, and a containing groove is formed in the cutter head frame;

the cutter head is at least partially fixedly arranged in the accommodating groove, and the outer diameter of the cutter head is equal to the outer diameter of the cutter head frame.

2. The cutterhead apparatus of claim 1 wherein the cutterhead is shaped to match the shape of the receiving slot, is shaped as a truncated cone, and has an inner diameter equal to the inner diameter of the receiving slot.

3. The cutterhead device of claim 1, wherein a first sludge discharge hole is formed at the bottom of the accommodating groove, and the first sludge discharge hole is used for discharging soil and sand generated in the operation process of the cutterhead from the cutterhead device; a plurality of uniformly distributed fixing plates are arranged around the first mud hole and used for fixing the cutterhead; a plurality of support rods are arranged between two adjacent fixing plates and used for supporting and reinforcing the cutterhead.

4. A cutterhead device according to claim 3, wherein the fixing plate is provided with a mounting hole, the bottom of the cutterhead is provided with a connecting hole, and the cutterhead is fixed in the cutterhead frame by sequentially penetrating through the mounting hole and the connecting hole through a fastening piece.

5. The cutterhead apparatus of claim 1, wherein the cutterhead comprises a shell cutterhead suitable for geotechnical geology or a spoke cutterhead suitable for sandy geology or a faceplate cutterhead suitable for clay geology.

6. The cutterhead apparatus of claim 5, wherein the shell cutterhead comprises: the cutter head comprises a cutter head main body and a panel positioned on the end face of the cutter head main body;

the center area of the panel is provided with a plurality of first small shell cutters which are uniformly distributed, the outer edge area of the panel is provided with a plurality of big shell cutters which are uniformly distributed, and a second small shell cutter is arranged between two adjacent big shell cutters; a plurality of second mud holes surrounding the second small shell knife are formed between the second small shell knife and the big shell knife.

7. The cutterhead device of claim 6, wherein the large shell blade, the first small shell blade and the second small shell blade each have high strength alloy wear resistant teeth.

8. The cutterhead apparatus of claim 5, wherein the spoke cutterhead comprises: the cutter head comprises a cutter head main body and a panel positioned on the end face of the cutter head main body;

the center area of the panel is provided with a fish tail cutter, the outer edge area of the panel is provided with a plurality of uniformly distributed rotary cutters, a third sludge discharge hole is formed between every two adjacent rotary cutters, and a cutter is arranged on the side edge of the third sludge discharge hole; the top and the bottom of the panel are respectively provided with a plurality of groups of hob for ensuring that the advancing direction of the push bench is not deviated.

9. The cutterhead apparatus of claim 5, wherein the faceplate cutterhead comprises: a cutter head main body and a panel positioned on the end face of the cutter head main body;

the panel is provided with a cross-shaped cutter fixing plate, a plurality of cutters which are uniformly distributed are arranged on the side edge of the cross-shaped cutter fixing plate, and a center fixing frame is arranged at the center of the cross-shaped cutter fixing plate; a fourth mud hole is formed between the cross-shaped cutter fixing plate and the edge of the panel; a plurality of high strength alloy wear resistant teeth are evenly distributed along the circumference of the panel.

10. A push bench comprising a cutterhead device according to any one of claims 1-9.

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