Non-excavation waste pipeline breaking device

Abstract

The utility model relates to the technical field of trenchless pipeline construction, and discloses a trenchless waste pipeline breaking device which comprises a jacking pipe, a machine head is installed on the front side of the jacking pipe, a pipe breaking mechanism is arranged on the outer ring of the machine head, and a limiting mechanism is arranged in the rear side of the pipe breaking mechanism. The pipe breaking mechanism comprises a pipe breaking assembly, a mounting assembly and a fixing assembly, and the pipe breaking assembly is arranged on the outer ring of the machine head. According to the trenchless waste pipeline breaking device, through the arrangement of the pipe breaking mechanism and the clamping protrusions, the external expansion diameter of an inclined expansion strip is increased, the pressure application area when a machine head makes contact with the inner wall of a pipeline is reduced, the pressure applied to the inner wall of the pipeline within the range area is increased, and the working efficiency of conducting pressurization wall breaking on the pipeline is improved; meanwhile, due to the detachable inclined expansion strips, when the machine head is used, a worker can directly replace the inclined expansion strips which are excessively abraded, and the normal use of the machine head cannot be influenced by the abrasion and deformation of the inclined expansion strips and the clamping protrusions.

Description

TECHNICAL FIELD

[0001] The utility model relates to non -excavation pipeline construction technical field, concretely is a kind of non -excavation waste pipeline pipe breaking device. BACKGROUND

[0002] Non-excavation refers to the construction technology of underground pipeline construction, repair or replacement under the premise of not damaging the ground. Non-excavation construction technology is diverse. For example, horizontal directional drilling technology, through the guide drill bit according to the predetermined trajectory drilling, then back pulling and laying pipe line; pipe jacking technology, with the help of jacking equipment, the pipeline is jacked into the soil according to the design route; ramming pipe technology, the steel pipe is rammed into the soil layer by using the impact force of rammer. Non-excavation technology has obvious advantages. It can avoid a large amount of excavation, reduce the impact on ground transportation, buildings and surrounding environment, reduce the degree of construction disturbance; it can be used in some difficult to excavate areas, such as river, railway, important buildings below; it can also shorten the construction period, improve the construction efficiency and reduce the comprehensive cost. With the development of technology, non-excavation technology is widely used in water supply and drainage, gas, power and other underground pipeline engineering.

[0003] According to the patent network publicity "a kind of non-excavation waste pipeline pipe breaking device (publication number: CN 221278666U; application number: 202323478595.5)", the above application is optimized for the problem of "the existing pipe breaking device, adopts conical cutter head, conical cutter head is equipped with multiple flat mouth blades, the pipe breaking device blade is in the form of extrusion, expanding and breaking pipe opening is easy to blunt, the cutting force of blade is not enough, affect the pipe breaking effect. Therefore, it is necessary to design a device with better pipe breaking effect", but the pipe breaking device in the above application cannot effectively exert local pressure on the inner wall of the pipe when in use, and the pipe breaking effect is not good. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of non-excavation waste pipeline pipe breaking device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of non-excavation waste pipeline pipe breaking device, including top pipe, the top pipe front side is equipped with machine head, the outer circle of machine head is provided with pipe breaking mechanism, the rear side of pipe breaking mechanism is provided with limiting mechanism.

[0006] The pipe breaking mechanism includes pipe breaking assembly, mounting assembly and fixed assembly, the pipe breaking assembly is arranged in the outer circle of machine head, the mounting assembly is arranged in the front side of pipe breaking assembly, and the fixed assembly is arranged in the rear side of pipe breaking assembly.

[0007] The limiting mechanism comprises a limiting component and a positioning component, the limiting component is arranged in the rear side of the pipe breaking component, and the positioning component is arranged in the rear side of the limiting component.

[0008] Preferably, the pipe breaking component comprises an expansion bar, the expansion bar is arranged in the outer ring of the machine head, the outer side of the expansion bar is fixedly connected with a clamping convex, the outer ring of the machine head is provided with a mounting clamping groove corresponding to the position of the expansion bar, the expansion bar is clamped in the mounting clamping groove, and the left and right sides of the mounting clamping groove are fixedly connected with limiting strips.

[0009] Preferably, the mounting component comprises a clamping hook, the clamping hook is fixedly connected to the front side of the expansion bar, a hanging rod is sleeved in the inner ring of the clamping hook, and the hanging rod is fixedly connected to the inner side of the limiting strip.

[0010] Preferably, the fixing component comprises an embedded block, the embedded block is fixedly connected in the mounting clamping groove, the embedded block is clamped in the inner side of the expansion bar, a threaded cylinder is fixedly connected in the embedded block, a bolt is threadedly connected with the threaded cylinder, and the bolt is clamped in the rear side of the expansion bar.

[0011] Preferably, the limiting component comprises a limiting sliding plate, the limiting sliding plate is slidingly connected in the rear side of the expansion bar, the front side of the limiting sliding plate is attached to the rear side of the bolt, the rear side of the limiting sliding plate is fixedly connected with a moving sliding rod, and the moving sliding rod is slidingly connected in the rear side of the expansion bar.

[0012] Preferably, the positioning component comprises a threaded sleeve, the threaded sleeve is sleeved on the outer ring of the moving sliding rod, the threaded sleeve is threadedly connected in the rear side of the expansion bar, and the rear side of the threaded sleeve is fixedly connected with an inner edge torsion cylinder.

[0013] Compared with the prior art, the non-excavation waste pipe breaking device has the following beneficial effects:

[0014] 1. The non-excavation waste pipe breaking device, through the setting of the pipe breaking mechanism, the setting of the clamping convex increases the expansion diameter of the expansion bar, reduces the pressure area of the machine head when contacting the inner wall of the pipe, improves the pressure applied to the inner wall of the pipe in the range, and improves the working efficiency of the pipe pressure breaking.

[0015] 2. The non-excavation waste pipeline breaking device, through the limiting mechanism, the limiting slide plate slides inward to the rear side of the bolt to limit the bolt, so that the inclined expansion strip cannot be separated from the connection between the inclined expansion strip and the threaded cylinder after installation, the connection strength between the inclined expansion strip and the machine head after installation is increased, and the stability of the device during use is increased. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is a front view of the present application;

[0018] Figure 2 It is a rear side view of the machine head structure;

[0019] Figure 3 It is a partial structure sectional view of the present application;

[0020] Figure 4 It is a disassembled view of the machine head structure;

[0021] Figure 5 It is a partial structure view of the present application;

[0022] Figure 6 It is a disassembled view of the pipe breaking mechanism structure;

[0023] Figure 7 It is a partial structure sectional view of the pipe breaking mechanism;

[0024] Figure 8 It is a partial structure sectional view of the limiting mechanism.

[0025] In the figure: 1, pipe breaking mechanism; 11, pipe breaking assembly; 1101, inclined expansion strip; 1102, clamping convex; 1103, installation clamping groove; 1104, limiting strip; 12, installation assembly; 1201, clamping hook; 1202, hanging rod; 13, fixing assembly; 1301, embedded block; 1302, threaded cylinder; 1303, bolt; 2, limiting mechanism; 21, limiting assembly; 2101, limiting slide plate; 2102, moving slide rod; 22, positioning assembly; 2201, threaded sleeve; 2202, inner edge torsion cylinder; 3, pipe jacking; 4, machine head. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of the present application.

[0027] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0028] The present application provides a technical scheme:

[0029] Embodiment one

[0030] In combination Figures 1 to 8 A trenchless waste pipeline breaking device, comprising a jacking pipe 3, a machine head 4 is mounted on the front side of the jacking pipe 3, a pipe breaking mechanism 1 is arranged on the outer ring of the machine head 4, and a limiting mechanism 2 is arranged in the rear side of the pipe breaking mechanism 1.

[0031] The pipe breaking mechanism 1 comprises a pipe breaking assembly 11, a mounting assembly 12 and a fixing assembly 13, the pipe breaking assembly 11 is arranged on the outer ring of the machine head 4, the mounting assembly 12 is arranged on the front side of the pipe breaking assembly 11, and the fixing assembly 13 is arranged in the rear side of the pipe breaking assembly 11.

[0032] The pipe breaking assembly 11 comprises an inclined expansion strip 1101, the inclined expansion strip 1101 is arranged in the outer ring of the machine head 4, a clamping protrusion 1102 is fixedly connected to the outer side of the inclined expansion strip 1101, an installation clamping groove 1103 is formed in the outer ring of the machine head 4 corresponding to the position of the inclined expansion strip 1101, the inclined expansion strip 1101 is clamped in the installation clamping groove 1103, limiting strips 1104 are fixedly connected to the left and right sides of the installation clamping groove 1103, and the inner side of the limiting strips 1104 is in close contact with the left and right sides of the inclined expansion strip 1101, the mounting assembly 12 comprises a clamping hook 1201, the clamping hook 1201 is fixedly connected to the front side of the inclined expansion strip 1101, a hanging rod 1202 is sleeved on the inner ring of the clamping hook 1201, and the hanging rod 1202 is fixedly connected to the inner side of the limiting strips 1104, the fixing assembly 13 comprises an embedded block 1301, the embedded block 1301 is fixedly connected in the installation clamping groove 1103, the embedded block 1301 is clamped on the inner side of the inclined expansion strip 1101, a threaded cylinder 1302 is fixedly connected in the embedded block 1301, a bolt 1303 is threadedly connected to the threaded cylinder 1302, and the bolt 1303 is clamped in the rear side of the inclined expansion strip 1101.

[0033] Further: the setting of the limiting strip 1104 seals the connection between the inclined expansion strip 1101 and the head 4, so that when the head 4 is working, external impurities cannot enter the connection between the inclined expansion strip 1101 and the head 4, ensuring that the inside of the inclined expansion strip 1101 is not corroded, and at the same time the inside of the limiting strip 1104 is in close contact with the left and right sides of the inclined expansion strip 1101, which increases the connection strength between the head 4 and the inclined expansion strip 1101 after installation, supports the inclined expansion strip 1101, and increases the stress strength of the inclined expansion strip 1101;

[0034] The hook 1201 is sleeved on the outer circle of the hanging rod 1202, and the inclined expansion strip 1101 is turned inward and in close contact with the inside of the installation clamping groove 1103. At this time, the hook 1201 is opened backward, and at the same time the embedded block 1301 is clamped on the inside of the inclined expansion strip 1101, so that the inclined expansion strip 1101 cannot move forward by itself. The bolt 1303 is inserted into the inside of the rear side of the inclined expansion strip 1101 and is screwed with the threaded cylinder 1302 to complete the fixation of the inclined expansion strip 1101. At the same time, the hook 1201 is hung on the outer circle of the hanging rod 1202, and the force received by the inclined expansion strip 1101 during the forward movement and advancement of the head 4 during work is shared, so that the front side of the inclined expansion strip 1101 will not be forced to turn outward during use, ensuring the structural strength of the inclined expansion strip 1101.

[0035] Example two

[0036] Reference Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7 and Figure 8 , and on the basis of example one, it is further obtained that the limiting mechanism 2 comprises a limiting assembly 21 and a positioning assembly 22, the limiting assembly 21 is arranged in the rear side of the pipe breaking assembly 11, and the positioning assembly 22 is arranged in the rear side of the limiting assembly 21.

[0037] The limiting assembly 21 comprises a limiting sliding plate 2101 which is slidingly connected in the rear side of the inclined expansion strip 1101, the front side of the limiting sliding plate 2101 is attached to the rear side of the bolt 1303, the rear side of the limiting sliding plate 2101 is fixedly connected with a moving sliding rod 2102 which is slidingly connected in the rear side of the inclined expansion strip 1101, the positioning assembly 22 comprises a threaded sleeve 2201 which is sleeved on the outer circle of the moving sliding rod 2102, the threaded sleeve 2201 is threadedly connected in the rear side of the inclined expansion strip 1101, and the rear side of the threaded sleeve 2201 is fixedly connected with an inner edge torsion cylinder 2202. Further, the limiting sliding plate 2101 is slid inward to the rear side of the bolt 1303 to limit the bolt 1303, so that the bolt 1303 cannot be separated from the connection between the inclined expansion strip 1101 and the threaded cylinder 1302 after installation, thereby increasing the connection strength between the inclined expansion strip 1101 and the machine head 4 after installation, and increasing the stability of the device in use.

[0038] In actual operation, when the device is used, when the inclined expansion strip 1101 needs to be installed, the worker first hangs the clamping hook 1201 on the outer circle of the hanging rod 1202, then rotates the inclined expansion strip 1101 inward to make the inclined expansion strip 1101 clamped in the installation clamping groove 1103, then the worker inserts the bolt 1303 into the rear side of the inclined expansion strip 1101 until the front end of the bolt 1303 contacts the rear side of the threaded cylinder 1302, at which time the bolt 1303 is rotated to move forward in the inner circle of the threaded cylinder 1302, the bolt 1303 moves forward in the inner circle of the threaded cylinder 1302 to pass through the threaded cylinder 1302 and is clamped in the inclined expansion strip 1101, at which time the installation of the inclined expansion strip 1101 is completed, then the worker moves the moving sliding rod 2102 on the left and right sides inward, the moving sliding rod 2102 moves inward to drive the limiting sliding plate 2101 to move inward, the limiting sliding plate 2101 moves inward to the rear side of the bolt 1303 until the moving sliding rod 2102 moves inward to the limit position, then the worker rotates the threaded sleeve 2201 and installs it in the rear side of the inclined expansion strip 1101, at which time the threaded sleeve 2201 is sleeved on the outer circle of the moving sliding rod 2102 to limit the limiting sliding plate 2101, at which time the installation and fixing of the inclined expansion strip 1101 are completed.

[0039] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are used herein merely as labels, and are not intended to impose ordinal import.

Claims

1. A trenchless broken-pipe device for old and worn pipes, comprising a pipe jacking (3), characterised in that: The front side of the pipe (3) is provided with a machine head (4), and the outer ring of the machine head (4) is provided with a pipe breaking mechanism (1), and the inner side of the rear side of the pipe breaking mechanism (1) is provided with a limiting mechanism (2); The pipe breaking mechanism (1) comprises a pipe breaking assembly (11), a mounting assembly (12) and a fixing assembly (13), the pipe breaking assembly (11) is arranged on the outer ring of the machine head (4), the mounting assembly (12) is arranged on the front side of the pipe breaking assembly (11), and the fixing assembly (13) is arranged on the rear side of the pipe breaking assembly (11). The pipe breaking assembly (11) comprises an inclined expansion strip (1101), the inclined expansion strip (1101) is arranged on the outer wall of the outer ring of the machine head (4), the outer side of the inclined expansion strip (1101) is fixedly connected with a clamping convex (1102), the outer ring of the machine head (4) is provided with a mounting clamping groove (1103) corresponding to the position of the inclined expansion strip (1101), the inclined expansion strip (1101) is clamped in the mounting clamping groove (1103), and the left and right sides of the mounting clamping groove (1103) are fixedly connected with limiting strips (1104); the inner side of the limiting strip (1104) is in close contact with the left and right sides of the inclined expansion strip (1101). The mounting assembly (12) comprises a clamping hook (1201), the clamping hook (1201) is fixedly connected to the front side of the inclined expansion strip (1101), the inner ring of the clamping hook (1201) is sleeved with a hanging rod (1202), and the two ends of the hanging rod (1202) are fixedly connected with the limiting strips (1104). The limiting mechanism (2) comprises a limiting assembly (21) and a positioning assembly (22), the limiting assembly (21) is arranged in the rear side of the pipe breaking assembly (11), and the positioning assembly (22) is arranged in the rear side of the limiting assembly (21).

2. A trenchless waste pipe breaking device according to claim 1, characterized in that: The fixing assembly (13) comprises an embedded block (1301), the embedded block (1301) is fixedly connected in the mounting clamping groove (1103), the embedded block (1301) is clamped in the inner side of the inclined expansion strip (1101), a threaded cylinder (1302) is fixedly connected in the embedded block (1301), a bolt (1303) is threadedly connected with the threaded cylinder (1302), and the bolt (1303) is clamped in the rear side of the inclined expansion strip (1101).

3. A trenchless waste pipe breaking device according to claim 1, characterized in that: The limiting assembly (21) comprises a limiting sliding plate (2101), the limiting sliding plate (2101) is slidingly connected in the rear side of the inclined expansion strip (1101), the front side of the limiting sliding plate (2101) is in close contact with the rear side of the bolt (1303), and the rear side of the limiting sliding plate (2101) is fixedly connected with a moving sliding rod (2102), the moving sliding rod (2102) is slidingly connected in the rear side of the inclined expansion strip (1101).

4. The trenchless waste pipe breaking device according to claim 1, characterized in that: The positioning assembly (22) comprises a threaded sleeve (2201), the threaded sleeve (2201) is sleeved on the outer ring of the moving sliding rod (2102), the threaded sleeve (2201) is threadedly connected in the rear side of the inclined expansion strip (1101), and an inner edge torsion cylinder (2202) is fixedly connected to the rear side of the threaded sleeve (2201).

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