Rock crushing push bench
By introducing a hydraulic cylinder and ring frame driven cutting structure, as well as a bevel gear and bevel tooth disc meshing crushing structure into the rock crushing pipe jacking machine, the problems of low efficiency and equipment instability caused by the cutter head directly contacting high-hardness rock layers have been solved, achieving more efficient and stable rock crushing.
Patent Information
- Application Number
- CN202423222420.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The cutterhead assembly of existing rock crushing pipe jacking machines comes into direct contact with high-hardness rock strata, resulting in low crushing efficiency, unstable equipment operation, and a tendency to overload.
The cutting structure utilizes hydraulic cylinders and ring frames, with a first rotating shaft driven by a motor to drive the mounting frame and slide plate, achieving uniform rotation of the cutter. Combined with the meshing of bevel gears and bevel gear discs in the crushing structure, it drives the rotation of the crushing wheel, achieving compound motion, uniformly covering the cutting area and improving crushing efficiency.
It improves the stability and efficiency of rock crushing, reduces the wear of the crushing wheel, adapts to geological conditions of different hardness and layers, especially mixed rock formations, and reduces energy loss.
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Figure CN223595208U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a pipe jacking machine technical field, especially relates to a rock breaking pipe jacking machine. BACKGROUND
[0002] The demand for underground pipelines increases year by year in the process of urbanization. With the enhancement of people's environmental protection consciousness, pipe jacking technology will play a more important role in the construction of underground pipelines. Pipe jacking technology has high construction efficiency, does not need to excavate the surface layer, and can cross highways, railways, rivers, ground buildings, underground structures and various underground pipelines, etc., which can save a lot of investment and time.
[0003] The applicant found through retrieval that a rock breaking pipe jacking machine has been disclosed in Chinese patent with publication (announcement) number CN219081582U. The patent has simple structure, is convenient to use, and is convenient for mixing crushed rock, soil and water to form slurry water, which is conveyed out through a conveying pipe. However, the device directly contacts the rock soil with the cutterhead assembly for breaking. The rock stratum usually has high hardness and complex structure. Direct breaking with the cutter blade needs to overcome large resistance, resulting in low breaking efficiency. When the cutter blade directly breaks the rock stratum, the stress changes sharply, the operating load of the equipment fluctuates greatly, and overloading or instability is easily caused. Therefore, the rock breaking pipe jacking machine is proposed. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a rock breaking pipe jacking machine to solve the problem that the cutterhead assembly directly contacts the rock soil for breaking, the rock stratum usually has high hardness and complex structure, direct breaking with the cutter blade needs to overcome large resistance, resulting in low breaking efficiency, and the stress changes sharply when the cutter blade directly breaks the rock stratum, the operating load of the equipment fluctuates greatly, and overloading or instability is easily caused.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rock breaking pipe jacking machine, comprising a machine body, a cutting structure is arranged on one side of the machine body, a breaking structure is arranged on the cutting structure, the cutting structure comprises a hydraulic oil cylinder and a ring frame, the ring frame is installed on one side of the machine body through the hydraulic oil cylinder, a support plate is fixedly installed in the ring frame through a connecting rod, the support plate is installed with a first rotating shaft through a motor, a cutter is installed on the first rotating shaft through a mounting frame and a sliding plate, a sliding groove is arranged on the side of the ring frame away from the motor, the sliding plate extends into the sliding groove, and the sliding plate and the sliding groove are slidingly connected.
[0006] As a preferred scheme, the number of the hydraulic oil cylinders is set to several, and the hydraulic oil cylinders are fixedly installed on one side of the fuselage, the ring frame is fixedly installed on the telescopic rod end of the hydraulic oil cylinder, the motor is fixedly installed on the support plate close to one side of the fuselage, the first rotating shaft is rotatably installed on the support plate, the motor shaft is fixedly connected with one end of the first rotating shaft, and the mounting frame is fixedly installed on the end of the first rotating shaft away from the motor.
[0007] As a preferred scheme, the slide plate is fixedly installed on the outside of the end of the mounting frame, and the cutter is fixedly installed on the end of the slide plate away from the mounting frame.
[0008] As a preferred scheme, the crushing structure comprises a support cylinder frame and a bevel gear plate, the support cylinder frame is fixedly installed on the side of the support plate away from the motor, the bevel gear plate is fixedly installed on one side of the support cylinder frame, the first rotating shaft extends to the outside of the bevel gear plate through the support cylinder frame and the bevel gear plate respectively, and the first rotating shaft is rotatably connected with the support cylinder frame and the bevel gear plate respectively.
[0009] As a preferred scheme, the connecting shaft is rotatably installed on the mounting frame, the bevel gear is fixedly installed on one end of the connecting shaft, and the bevel gear is meshed with the bevel gear plate.
[0010] As a preferred scheme, the first gear is fixedly installed on the end of the connecting shaft away from the bevel gear, the second rotating shaft is rotatably installed on the mounting frame, the second gear is fixedly installed on one side of the second rotating shaft, the second gear is meshed with the first gear, a plurality of crushing wheels are fixedly installed on the second rotating shaft, and the conical spiral blade is fixedly installed on the end of the first rotating shaft.
[0011] The technical effects and advantages of the utility model are as follows:
[0012] 1. In the cutting structure, the motor drives the mounting frame to rotate through the first rotating shaft, the mounting frame drives the cutter to rotate through the slide plate, the cutter cuts the rock, the cutter rotates uniformly during cutting and is not affected by excessive deflection force, the stability of cutting is ensured, the same cutting surface is repeatedly cut, the rock-soil material is removed layer by layer, the damage to hard rock-soil is enhanced, the rock-soil is cut for many times, the geological conditions of different hardness and levels are suitable, especially the stratum containing mixed rock, the impact force or shear force required when the crushing wheel crushes is obviously reduced, and the wear of the crushing wheel is reduced.
[0013] 2. In the designed crushing structure, the motor controls the rotation of the mounting frame. The mounting frame drives the crushing wheel to rotate along with the mounting frame via the second rotating shaft. Simultaneously, the meshing relationship between the bevel gear and the bevel gear disc causes the bevel gear to drive the second gear to rotate via the connecting shaft and the first gear. The second gear then drives the crushing wheel to rotate via the second rotating shaft. The crushing wheel crushes the cut rock and soil. This composite motion allows the crushing wheel to evenly cover the rock and soil within the cutting area, improving crushing efficiency. It applies multiple crushing actions such as rolling and squeezing to the rock and soil, further refining the rock and soil particles and improving the crushing quality. The meshing design of the bevel gear and the bevel gear disc enables efficient angle transmission, efficiently transferring the rotational power of the mounting frame to the rotation of the crushing wheel, reducing energy loss and optimizing system efficiency. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0015] Figure 2 This is a schematic diagram of the cutting and crushing structure of this utility model;
[0016] Figure 3 This is one of the schematic diagrams of the cutting structure of this utility model;
[0017] Figure 4 This is the second schematic diagram of the cutting structure of this utility model;
[0018] Figure 5 This is one of the schematic diagrams of the crushing structure of this utility model;
[0019] Figure 6 This is the second schematic diagram of the crushing structure of this utility model.
[0020] In the diagram: 1. Machine body; 2. Cutting structure; 21. Hydraulic cylinder; 22. Ring frame; 23. Support plate; 24. Motor; 25. First rotating shaft; 26. Slide groove; 27. Mounting frame; 28. Slide plate; 29. Cutter; 3. Crushing structure; 31. Support cylinder frame; 32. Bevel gear disc; 33. Bevel gear; 34. Connecting shaft; 35. First gear; 36. Second rotating shaft; 37. Second gear; 38. Crushing wheel; 39. Conical spiral blade. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Embodiment one:
[0023] Please refer to the attached Figure 1 - attached Figure 4 A rock breaking pipe jacking machine, comprising a machine body 1, a cutting structure 2 is arranged on one side of the machine body 1, a breaking structure 3 is arranged on the cutting structure 2, the cutting structure 2 comprises a hydraulic oil cylinder 21 and a ring frame 22, the number of the hydraulic oil cylinder 21 is arranged as several, and the hydraulic oil cylinder 21 is fixedly installed on one side of the machine body 1, the ring frame 22 is fixedly installed on the telescopic rod end of the hydraulic oil cylinder 21, a support plate 23 is fixedly installed in the ring frame 22 through a connecting rod, a motor 24 is fixedly installed on one side of the support plate 23 close to the machine body 1, a first rotating shaft 25 is rotatably installed on the support plate 23, the motor shaft of the motor 24 is fixedly connected with one end of the first rotating shaft 25, a mounting bracket 27 is fixedly installed on the end of the first rotating shaft 25 away from the motor 24, a sliding plate 28 is fixedly installed on the outer side of the end of the mounting bracket 27, a chute 26 is arranged on the side of the ring frame 22 away from the motor 24, the sliding plate 28 extends into the chute 26, and the sliding plate 28 is slidably connected with the chute 26, and a cutter 29 is fixedly installed on the end of the sliding plate 28 away from the mounting bracket 27.
[0024] Specifically, the motor 24 drives the first rotating shaft 25 to rotate the mounting bracket 27, the mounting bracket 27 rotates the cutter 29 through the sliding plate 28 to cut the rock soil at a constant speed, multiple cutting of the same plane is repeated, the rock soil is gradually stripped, the cutting efficiency of hard rock soil is strengthened, multiple deep cutting is carried out, various geologies are coped with, the stress of the breaking wheel 38 during operation is reduced, and the wear of the breaking wheel 38 is reduced.
[0025] Embodiment two:
[0026] Please refer to the attached Figure 1 - attached Figure 6 The breaking structure 3 comprises a support cylinder frame 31 and a bevel gear plate 32, the support cylinder frame 31 is fixedly installed on the side of the support plate 23 away from the motor 24, the bevel gear plate 32 is fixedly installed on one side of the support cylinder frame 31, the first rotating shaft 25 extends to the outer side of the bevel gear plate 32 through the support cylinder frame 31 and the bevel gear plate 32 respectively, and the first rotating shaft 25 is rotatably connected with the support cylinder frame 31 and the bevel gear plate 32 respectively, a connecting shaft 34 is rotatably installed on the mounting bracket 27, a bevel gear 33 is fixedly installed on one end of the connecting shaft 34, the bevel gear 33 is meshed with the bevel gear plate 32, a first gear 35 is fixedly installed on the end of the connecting shaft 34 away from the bevel gear 33, a second rotating shaft 36 is rotatably installed on the mounting bracket 27, a second gear 37 is fixedly installed on one side of the second rotating shaft 36, the second gear 37 is meshed with the first gear 35, a plurality of breaking wheels 38 are fixedly installed on the second rotating shaft 36, and a conical spiral blade 39 is fixedly installed on the end of the first rotating shaft 25.
[0027] Specifically, in the crushing structure 3, the motor 24 drives the mounting frame 27 to rotate, the mounting frame 27 drives the crushing wheel 38 to rotate through the second rotating shaft 36, at the same time, the bevel gear 33 meshes with the bevel gear plate 32, the crushing wheel 38 rotates through the connecting shaft 34 and the gear set, the compound motion makes it uniformly cover the cutting area, improves the crushing efficiency, reduces the wear, multi-form crushing and refining rock and soil, and the meshing design optimizes power transmission and enhances system efficiency.
[0028] The utility model discloses a rock crushing pipe jacking machine, starts motor 24, drives first rotating shaft 25 to rotate through motor shaft of motor 24, drives mounting frame 27 to rotate through first rotating shaft 25, mounting frame 27 rotates in the slide slot 26 through slide plate 28, drives cutter 29 to rotate through slide plate 28, starts hydraulic oil cylinder 21, drives ring frame 22 to move through the telescopic link of hydraulic oil cylinder 21, and then controls cutter 29 to move, cuts rock through cutter 29, when cutter 29 cuts certain depth, first rotating shaft 25 drives conical spiral blade 39 to rotate, and conical spiral blade 39 is inserted into the rock center position and is drilled, when conical spiral blade 39 enters certain depth, crushing wheel 38 contacts rock surface, and mounting frame 27 drives connecting shaft 34 to rotate around first rotating shaft 25, because the meshing relationship of bevel gear 33 and bevel gear plate 32, so bevel gear 33 rolls on bevel gear plate 32, and then make connecting shaft 34 rotate, drive first gear 35 to rotate through connecting shaft 34, because the meshing relationship of first gear 35 and second gear 37, so first gear 35 drives second gear 37 to rotate, and second gear 37 drives crushing wheel 38 automatically through second rotating shaft 36, drives crushing wheel 38 to rotate around first rotating shaft 25 through mounting frame 27, and crushes the rock after cutting through crushing wheel 38.
[0029] Finally, it should be pointed out that: the above only for preferred embodiment of the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A rock breaking pipe pusher comprising a machine body (1), characterized in that: One side of the fuselage (1) is provided with a cutting structure (2), the cutting structure (2) is provided with a crushing structure (3), the cutting structure (2) comprises a hydraulic oil cylinder (21) and a ring frame (22), the ring frame (22) is installed on one side of the fuselage (1) through the hydraulic oil cylinder (21), the inside of the ring frame (22) is fixedly installed with a support plate (23) through a connecting rod, the support plate (23) is installed with a first rotating shaft (25) through a motor (24), the first rotating shaft (25) is installed with a cutter (29) through a mounting bracket (27) and a sliding plate (28), one side of the ring frame (22) away from the motor (24) is provided with a chute (26), the sliding plate (28) extends into the chute (26), and the sliding plate (28) and the chute (26) are in sliding connection.
2. The rock-breaking pipe pusher according to claim 1, characterized in that: The number of the hydraulic oil cylinder (21) is several, and the hydraulic oil cylinder (21) is fixedly installed on one side of the fuselage (1), the ring frame (22) is fixedly installed on the telescopic rod end of the hydraulic oil cylinder (21), the motor (24) is fixedly installed on one side of the support plate (23) close to the fuselage (1), the first rotating shaft (25) is rotatably installed on the support plate (23), and the motor shaft of the motor (24) is fixedly connected with one end of the first rotating shaft (25).
3. The rock-breaking pipe pusher according to claim 2, characterized in that: The mounting bracket (27) is fixedly installed on the end of the first rotating shaft (25) away from the motor (24).
4. The rock-breaking pipe thruster of claim 1, characterized in that: The support plate (23) is fixedly installed on one side of the support plate (23) away from the motor (24), the bevel gear (33) is fixedly installed on one side of the support cylinder frame (31), the first rotating shaft (25) extends to the outside of the bevel gear (32) through the support cylinder frame (31) and the bevel gear (32) respectively, and the first rotating shaft (25) is rotatably connected with the support cylinder frame (31) and the bevel gear (32) respectively.
5. The rock-breaking pipe thruster of claim 4, characterized in that: The mounting bracket (27) is rotatably installed with a connecting shaft (34), one end of the connecting shaft (34) is fixedly installed with a bevel gear (33), and the bevel gear (33) is meshed with the bevel gear (32).
6. The rock-breaking pipe thruster of claim 5, characterized in that: The connecting shaft (34) is rotatably installed with a second rotating shaft (36) on the mounting bracket (27), one side of the second rotating shaft (36) is fixedly installed with a second gear (37), the second gear (37) is meshed with the first gear (35), a plurality of crushing wheels (38) are fixedly installed on the second rotating shaft (36), and a conical spiral blade (39) is fixedly installed on the end of the first rotating shaft (25).
Citation Information
Patent Citations
Rock crushing push bench
CN219081582U