CN216198121U

CN216198121U - Hinge type cutter head suitable for push type pipe pushing jack and push type pipe pushing jack

Info

Publication number: CN216198121U
Application number: CN202122680055.XU
Authority: CN
Inventors: 赵朕; 杨俊岭; 于跃; 孟祥博
Original assignee: Shen Kan Qinhuangdao General Engineering Design and Research Institute Corp of MCC
Current assignee: Shen Kan Qinhuangdao General Engineering Design and Research Institute Corp of MCC
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-05
Anticipated expiration: 2031-11-04

Abstract

The utility model relates to a hinge type cutter head suitable for a push type push bench and the push type push bench, which comprise an outer steel casing, a soil breaking device, a cutter blade, a connecting rod and a driving system, wherein the soil breaking device is in a regular pyramid shape, each edge of the regular edge shape at the bottom end of the soil breaking device is provided with a hinge device, one end of each hinge device is connected with the bottom end of the soil breaking device through a connecting piece, and the other end of each hinge device is connected with the cutter blade through a connecting piece. Compared with the prior art, the regular pyramid-shaped soil breaking device is made of solid steel and provided with the spurs towards the pushing direction, and is beneficial to playing a soil breaking role in the pipe jacking process. At the bottom of the device that breaks ground, each limit of regular edge shape all is equipped with the hinge device, and the hinge device passes through the screw rigid coupling with the ware bottom that breaks ground, removable trade. The other end of the hinge device is connected with the blade type blade with the spurs, namely the blade is connected with the soil breaker through the hinge, the blade can be replaced at any time, and the blade can be detached after being damaged, so that the use is convenient.

Description

Hinge type cutter head suitable for push type pipe pushing jack and push type pipe pushing jack

Technical Field

The utility model relates to the technical field of underground trenchless hole forming, in particular to a hinge type cutter head suitable for a push type pipe jacking machine and the push type pipe jacking machine.

Background

The prior art is that the cutting cutterhead is attached with a plurality of independent hobbing cutters, toothed cutters, scrapers and cutters, the cutting cutterhead is connected with a power system through a main shaft, and the cutters cut soil along with the rotation of the cutterhead; the latter adopts artificial means, and balances the front soil pressure by reserving core soil.

In the construction process of an urban comprehensive pipe gallery and a pipe curtain construction method, the use of the pipe jacking machine is inconvenient, for example, the pipe jacking machine is complex and has very high manufacturing cost, and the high cost of the pipe jacking machine enables the pipe jacking machine on the market to have only fixed sizes, so that the pipe jacking machine cannot be flexibly applied to pipes with different diameters in the actual pipe jacking project. Although the manual hole digging technology is flexible and strong in adaptability, the manual hole digging technology has the fixed defects, for example, the manual hole digging efficiency is low, the construction condition is mostly dependent on experience, and great uncertainty exists, in addition, although the reservation of the core soil can effectively balance the front soil pressure, if a pipe head encounters large broken stones, the core soil needs to be removed firstly, then the broken stones are broken, then construction is carried out, the front soil body loses the balance of the core soil after a long time, and the settlement of the surrounding soil body is inevitably caused.

In addition, the utility model patent of China "a push type push bench hemisphere shape tool bit device" (CN201710337904.7) discloses a push type push bench hemisphere shape tool bit device, including outside steel protects a section of thick bamboo, toper broke the soil ware, arc blade, connecting rod, transfer line, driver, fixed bolster and draw-in groove; the conical soil breaker is clamped at one end of the transmission rod; the other end of the transmission rod is fixed on the driver; the connecting rod is in an umbrella bone shape, and the arc-shaped blade is clamped on the umbrella edge of the connecting rod; the rod edge of the connecting rod is connected with the transmission rod; a plurality of clamping grooves are formed in the inner wall of the outer steel casing; the fixed support penetrates into the driver and is fixed through the clamping groove, and the driver with the fixed support is fixed on the inner wall of the outer steel casing; the arc-shaped blades are combined to form a hemispherical cutter head; a gap is arranged between the arc-shaped blades, and the head part of the hemispherical tool bit is wrapped at the rear end by the conical soil breaker; the tail end of the hemispherical tool bit is tangent to the inner wall of the outer steel casing. The technical scheme of the utility model is simple, is convenient for assembly maintenance and on-site manufacture and improvement, greatly saves the manufacturing cost, and is suitable for pipe gallery and pipe curtain projects with various diameters.

However, the above patents have the following disadvantages:

1. the arc-shaped blade and the conical soil breaker are of an integral structure and cannot be detached independently, and replacement and maintenance are quite unchanged.

2. The driving device is directly connected with the soil breaker through the transmission rod, and the transmission rod is easy to damage.

In view of the above, the present invention is particularly proposed.

SUMMERY OF THE UTILITY MODEL

One objective of the present invention is to provide a hinge type cutter head suitable for push type push bench to solve the above problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a hinge formula tool bit suitable for impulse type pipe push bench, includes that outside steel protects a section of thick bamboo, breaks ground device, blade, connecting rod and actuating system, it is just pyramid to break ground the device each limit of the positive limit shape of the bottom of breaking ground device all is equipped with the hinge device, the one end of hinge device is connected with the bottom of the ware that breaks ground through the connecting piece, and the other end is connected with the blade through the connecting piece.

Preferably, the clamping device further comprises a chuck plate, one end of the chuck plate is connected with the driving system, a reserved hole is formed in the chuck plate, a clamping device is arranged in the reserved hole, and one end of the connecting rod extends into the reserved hole and is clamped and fixed by the clamping device.

Preferably, still include scalable bracing piece, the one end of scalable bracing piece is connected with the device that breaks ground, and the other end connecting rod is connected.

Preferably, one end of the telescopic supporting rod is connected and fixed with the middle point of the regular hexagon at the bottom end of the ground breaking device.

Preferably, the chuck is an annular disc, and the outer side of the chuck is tangent to the inner wall of the outer steel casing.

Preferably, the other end of the chuck extends out of the transmission rod and is directly connected with a driving system, the driving system drives the chuck to rotate through the transmission rod, and the position of the chuck, extending out of the transmission rod, on one side corresponds to the position of the reserved hole on the other side.

Preferably, the steel pile driving device further comprises a clamping groove, wherein the clamping groove is formed in the inner wall of the side steel casing and used for clamping and fixing the driving connecting rod.

Preferably, the ground breaking device and the blade are both provided with a protruding thorn along the advancing direction.

Preferably, the ground breaking device is in the shape of a regular hexagonal pyramid.

The second objective of the present invention is to provide a push bench to solve the above problems in the background art.

a push type push bench comprises the hinge type cutter head suitable for the push type push bench.

Compared with the prior art, the hinge type cutter head suitable for the push type push bench and the push type push bench provided by the utility model have the beneficial effects that:

1. the regular pyramid-shaped soil breaking device is made of solid steel, has a protruding spine towards the pushing direction, is in a regular pyramid shape, and is beneficial to playing a soil breaking role in the pipe jacking process. At the bottom of the device that breaks ground, each limit of regular edge shape all is equipped with the hinge device, and the hinge device passes through the screw rigid coupling with the ware bottom that breaks ground, removable trade. The other end of the hinge device is connected with the blade type blade with the spurs, namely the blade is connected with the soil breaker through the hinge, the blade can be replaced at any time, and the blade can be detached after being damaged, so that the use is convenient.

2. The blade-shaped blade with the spurs protruding towards the propulsion direction is connected with the soil breaking device through the hinge, the blade is blade-shaped, the angle can be freely adjusted through the hinge, the blade is suitable for pipe pushing machines with different pipe diameters, the blade is arc-shaped, the two ends of the blade are also arc-shaped, the tail end of the blade is tangent to the steel casing, and a gap is reserved between each blade of the blade to facilitate soil feeding.

3. The chuck is an annular disc, the outer side of the disc is tangent to the steel protective cylinder, and the extending part of the connecting rod is connected with a clamping device on the chuck through a preformed hole on the rod; meanwhile, the other end of the chuck extends out of six transmission rods to be directly connected with a driving system, namely, the driving system drives the annular chuck through the transmission rods, so that the blades on the connecting rods rotate to cut soil. The clamping device on the annular chuck is also electrically finished through a driving system, namely no matter what angle the blade is adjusted, the tail end of the connecting rod is locked by the clamping device, so that the chuck plays a role in connection, and the integrity of the whole cutter head is ensured.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a hinge-type cutter head suitable for a push type push bench according to the present invention;

FIG. 2 is a schematic longitudinal sectional view of a hinge-type cutter head suitable for a push type push bench according to the present invention;

FIG. 3 is a schematic side view of a hinge cutter head suitable for a push type push bench according to the present invention;

FIG. 4 is a schematic side sectional view of a hinge-type cutter head suitable for a push type push bench according to the present invention;

FIG. 5 is a schematic view of a hinge-type blade-head-reduced blade for push bench according to the present invention;

the schematic in the figure is as follows:

1, an outer steel casing; 2 a ground breaking device; 3, cutting blades; 4 connecting rods; 5, a telescopic supporting rod; 6, a hinge device; 7 a chuck; 8, a clamping groove; 9 drive the system.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

In view of the above, embodiments of the present invention provide a hinge cutter head suitable for push bench.

As shown in fig. 1 to 4, the hinge type cutter head suitable for the push type pipe pushing jack in this embodiment includes an outer steel casing 1, a soil breaking device 2, a blade 3, a connecting rod 4 and a driving system 9, where the soil breaking device 2 is a regular pyramid, a hinge device 6 is disposed on each edge of a regular edge shape at the bottom end of the soil breaking device 2, one end of the hinge device 6 is connected to the bottom end of the soil breaker through a connecting member, and the other end is connected to the blade 3 through a connecting member. The regular pyramid-shaped soil breaking device 2 is made of solid steel, has the spurs towards the pushing direction, is in the shape of a regular pyramid, and is beneficial to playing the role of breaking soil in the pipe jacking process. At the bottom of the device 2 that breaks ground, each limit of regular edge all is equipped with hinge device 6, and hinge device 6 passes through the screw rigid coupling with the device bottom that breaks ground, removable the trading. The other end of the hinge device 6 is connected with the blade type blade 3 with the spurs, namely the blade 3 is connected with the soil breaker through the hinge, the blade 3 can be replaced at any time, and the blade 3 can be detached after being damaged, so that the use is convenient.

Further, the hinge type cutter head suitable for the push type pipe pushing jack in the embodiment further comprises a chuck 7, one end of the chuck 7 is connected with a driving system 9, a reserved hole is formed in the chuck 7, a clamping device is arranged in the reserved hole, and one end of the connecting rod 4 extends into the reserved hole and is clamped and fixed by the clamping device. The chuck 7 is an annular disc, and the outer side of the chuck 7 is tangent to the inner wall of the outer steel casing 1.

The other end of the chuck 7 extends out of the transmission rod and is directly connected with a driving system 9, the driving system 9 drives the chuck 7 to rotate through the transmission rod, and the position of one side of the chuck 7, which extends out of the transmission rod, corresponds to the position of the reserved hole on the other side. The chuck plate 7 is an annular disc, the outer side of the disc is tangent with the outer steel protective cylinder, and the extending part of the connecting rod 4 is connected with a clamping device on the chuck plate 7 through a preformed hole on the rod; meanwhile, the other end of the chuck 7 extends out of six transmission rods to be directly connected with a driving system 9, namely, the driving system 9 drives the annular chuck 7 through the transmission rods, so that the blade 3 on the connecting rod 4 rotates to cut soil. The clamping device on the ring-shaped chuck 7 is also electrically finished through the driving system 9, namely, no matter what angle the blade 3 is adjusted, the clamping device locks the tail end of the connecting rod 4, so that the chuck 7 plays a role in connection, and the integrity of the whole cutter head is ensured.

Further, the hinge type cutter head suitable for push type pipe pushing jack in this embodiment still includes scalable bracing piece 5, the one end of scalable bracing piece 5 is connected with the device 2 that breaks ground, and other end connecting rod 4 is connected. One end of the telescopic supporting rod 5 is connected and fixed with the middle point of the regular hexagon at the bottom end of the ground breaking device 2. One end of a telescopic support rod 5 is fixedly connected with the connecting rod 4, the other end of the telescopic support rod is fixedly connected with the ground breaking device 2, and the telescopic support rod 5 is fixed in the middle of the bottom right edge of the right pyramid. In order to adapt to the change of the angle of the blade 3, the outward rotating radius of the blade 3 is increased, the telescopic supporting rod 5 is extended, and the inward rotating radius of the blade 3 is reduced, and the telescopic supporting rod 5 is shortened. Meanwhile, the cutter head bears the pressure of soil in the propelling process through the telescopic supporting rod 5, namely after the angle change of the blade 3 and the telescopic supporting rod 5 extend or shorten, the telescopic supporting rod 5 is locked to bear load and also can play a role in transmission.

Further, the hinge type cutter head suitable for the push type pipe pushing jack in the embodiment further comprises a clamping groove 8, the clamping groove 8 is formed in the inner wall of the outer steel casing 1, and the clamping groove 8 is used for clamping and fixing the driving connecting rod 4.

Further, in the present embodiment, both the ground breaking device 2 and the blade 3 of the hinge type cutter head suitable for the push type pipe push bench are provided with stabs along the advancing direction. Blade shape blade 3 with to propulsion direction suddenly thorn is connected with device 2 that breaks ground through the hinge, and blade 3 is the blade shape, and the angle is adjusted freely to the accessible hinge, adapts to the pipe jacking machine of different pipe diameters to blade 3 is the arc design, and the blade both ends also are the arc, and the tail end is tangent with outside steel casing 1, leaves the space between 3 each pieces of blade and conveniently advances soil.

As shown in figure 5, the number of the blades can be adapted to push bench with different diameters, the blades 3 are replaceable, and if the blades are damaged in the using process, the hinges are disassembled and then the push bench is assembled newly. If other opening rate or soil feeding amount is required, the number of blades can be increased or decreased. The breaking device 2 is generally a regular hexagonal pyramid, but may be a regular quadrangle, a regular pentagon, etc. in other embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Claims

1. The utility model provides a hinge formula tool bit suitable for impulse type pipe push bench, includes that outside steel protects a section of thick bamboo, breaks ground device, blade, connecting rod and actuating system, its characterized in that, it is just pyramid to break ground the device just each limit of limit shape of the bottom of breaking ground device all is equipped with the hinge device, the one end of hinge device is connected through the bottom of connecting piece with the ware that breaks ground, and the other end is connected with the blade through the connecting piece.

2. The hinge type cutter head suitable for the push type pipe pushing jack according to claim 1, further comprising a chuck, wherein one end of the chuck is connected with a driving system, a reserved hole is formed in the chuck, a clamping device is arranged in the reserved hole, and one end of the connecting rod extends into the reserved hole and is clamped and fixed by the clamping device.

3. The hinge type cutter head suitable for the push type pipe pushing jack of claim 2, further comprising a telescopic support rod, wherein one end of the telescopic support rod is connected with the ground breaking device, and the other end of the telescopic support rod is connected with a connecting rod.

4. The hinge type cutter head suitable for the push type pipe push bench according to claim 3, wherein one end of the telescopic support rod is fixedly connected with the middle point of the regular hexagon at the bottom end of the ground breaking device.

5. The hinge cutter head for push bench of claim 2 wherein the chuck is an annular disk, the outer side of the chuck being tangential to the inner wall of the outer steel casing.

6. The hinge type cutter head suitable for the push type pipe pushing jack as claimed in claim 5, wherein the other end of the chuck extends out of the transmission rod and is directly connected with a driving system, the driving system drives the chuck to rotate through the transmission rod, and the position of the chuck extending out of the transmission rod on one side corresponds to the position of the reserved hole on the other side.

7. The hinge type cutter head suitable for the push type pipe pushing jack according to claim 1, further comprising a clamping groove, wherein the clamping groove is arranged on the inner wall of the side steel casing, and the clamping groove clamps and fixes the driving connecting rod.

8. The hinge type cutter head for push bench of claim 1 wherein both said ground breaking means and said blades are provided with a spur in the direction of feed.

9. The hinge type cutter head suitable for the push type pipe push bench according to any one of claims 1 to 8, wherein the ground breaking device is a regular hexagonal pyramid.

10. A push bench comprising a hinged cutter head suitable for use in a push bench as claimed in any one of claims 1-9.