Power head device of overwater ultra-deep mixing pile machine

Abstract

The utility model discloses an overwater ultra-deep mixing pile machine power head device which comprises a slurry supply system, an inner pipe is arranged at the pipeline connecting end of the slurry supply system, a drill rod and a drill bit are arranged on the lower portion of the inner pipe, and the inner pipe is fixedly connected with the drill rod and the drill bit through flanges. An outer pipe is arranged outside the inner pipe, a driven gear is arranged on the surface of the outer pipe, a gear box is arranged on the side face of the outer pipe, a power system is arranged on the upper portion of the gear box, and a transmission shaft of the power system extends into the gear box and is provided with a driving gear. Connection between the drill rod and the power head gear box is changed from rigidity to flexibility, the power head gear box, the drill rod and a drill bit are protected, impact of sea waves and surges on construction machinery in actual production is truly avoided, the equipment failure rate is reduced, offshore operation is difficult, efficiency is low, the construction period is long, input cost is low, and the device is suitable for popularization and application. The device is very convenient to mount and dismount, and has wide adaptability and good economic and social values.

Description

TECHNICAL FIELD

[0001] The utility model relates to water super deep mixing pile machine power head technical field, more specifically to a kind of water super deep mixing pile machine power head device. BACKGROUND

[0002] Traditional water mixing pile construction, due to large sea waves, ship up and down, left and right swing, especially the damage of surge, cause ship to sway, up and down, swing, rotation and other sea conditions, conventional mixing pile equipment, will often cause drill pipe breakage, drill pipe joint place easy to loosen and slurry leakage, pile driving power head under the impact of sea waves and surge, gear box damage and bearing seal ring dislocation or damage in oil leakage equipment, cause equipment cannot work normally, maintenance cost is high, reduce workable time, seriously affect production and construction period. Therefore, a new technical scheme needs to be provided to solve it. SUMMARY

[0003] The utility model discloses a kind of water super deep mixing pile machine power head device, solve the problem raised in background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of water super deep mixing pile machine power head device and operating method, comprising: slurry supply system, the pipeline connection end of the slurry supply system is provided with inner tube and the lower portion of inner tube is provided with drill pipe and drill bit, the inner tube is fixedly connected between drill pipe and drill bit by flange, the outside of the inner tube is provided with outer tube and the surface of outer tube is provided with driven gear, the side of the outer tube is provided with gear box and the upper portion of gear box is provided with power system, the transmission shaft of power system extends to the inside of gear box and is installed with driving gear, the driving gear and driven gear are engaged with each other, upper bearing system and lower bearing system are provided between the inner tube and gear box, the upper and lower ends of the inner tube are provided with upper fixed support and lower fixed support respectively, the upper portion of lower fixed support is provided with lower spring and the lower portion of upper fixed support is provided with upper spring, the upper spring and lower spring are connected between outer tube.

[0005] As a preferred embodiment of the utility model, spline is provided between the outer tube inner tube, and the outer spline of the inner tube and the inner spline of the outer tube are engaged with each other.

[0006] As a preferred embodiment of the utility model, recess is provided in the inside of upper fixed support and lower fixed support, which is matched with upper spring and lower spring.

[0007] As a preferred embodiment of the utility model, recess is provided in the upper and lower ends of the outer tube, which is matched with upper spring column and lower spring.

[0008] As an improved embodiment of the utility model, the operation method of the water super deep mixing pile machine power head device comprises the following steps:

[0009] Step 1: start the power system, the power system transmits power to the driving gear in the gear box through the transmission shaft, and the driving gear transmits power to the driven gear through gear engagement;

[0010] Step 2: the driven gear transmits power to the outer pipe, so that the outer pipe can rotate; the outer pipe transmits power to the inner pipe through the spline, so that the inner pipe rotates;

[0011] Step 3: the upper bearing system and the lower bearing system are arranged between the inner pipe and the gear box, so that the gear box remains relatively static without being affected by the rotation of the inner pipe;

[0012] Step 4: the inner pipe is connected with the drill pipe and the drill bit through a flange plate, and the inner pipe drives the drill pipe and the drill bit to rotate simultaneously when the inner pipe rotates;

[0013] Step 5: the upper end of the inner pipe is connected with the slurry supply system, the slurry supply system delivers slurry to the end of the drill pipe and the drill bit through the hollow part of the inner pipe and sprays it into the soil layer, the drill pipe and the drill bit rotate and cut and mix the soil body, at the same time, the drill pipe and the drill bit move upward and downward, drive the power head gear box to move upward and downward together, and mix the slurry provided by the slurry supply system with the soil body to reinforce the foundation;

[0014] Step 6: when the sea waves are large and the ship shakes violently, the drill pipe and the drill bit of the mixing pile machine will fluctuate with the fluctuation of the ship; when the ship falls from the wave crest, the drill pipe and the drill bit cannot continue to fall after touching the bottom, but the power head gear box will continue to move downward, at this time, the outer pipe spline connected with the gear box will move downward along the inner pipe spline, and the lower spring at the lower end of the inner pipe will buffer the downward movement of the outer pipe, so as to protect the gear box, the drill pipe and the drill bit from being damaged; when the ship is thrown up from the wave valley, the drill pipe and the drill bit still stay in the soil layer, but the power head gear box will move upward with the ship, at this time, the outer pipe spline connected with the gear box will move upward along the inner pipe spline, and the upper spring at the lower end of the inner pipe will buffer the upward movement of the outer pipe, so as to protect the gear box from being damaged.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] The utility model discloses a water super -deep mixing pile machine power head device is adopted when construction operation, when meeting the larger wind wave, the ship shakes larger, with the ship up and down, the ship and power head and drill rod between through the device, realize that the drill rod has certain amplitude's up and down sliding in the power head interior, thereby alleviateed the instantaneous impact of power head gear box with the ship up and down to the drill rod, avoided the drill rod to bear too big impact force and break or crack and leak slurry, also avoided the drill rod to the gear and bearing inside the power head gear box and cut the damage. The device turns the connection between the drill rod and the power head gear box from rigidity to flexibility, protects the power head gear box and also protects the drill rod and drill head, really solves the impact of the sea wave surge to the construction machinery in the actual production, reduces the equipment failure rate, the offshore operation is difficult, the efficiency is low, and the construction period is long, and the input cost is low, and the installation and removal are very convenient, has extensive adaptability and good economic and social value. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is whole structure schematic diagram of the utility model;

[0018] Figure 2 It is outer tube section structure schematic diagram of the utility model;

[0019] Figure 3 It is inner tube section structure schematic diagram of the utility model.

[0020] In the drawing: 1, slurry supply system;2, upper fixed support;3, upper spring;4, lower spring;5, lower fixed support;6, power system;7, outer tube;8, inner tube;9, gear box;10, upper bearing system;11, driving gear;12, driven gear;13, lower bearing system;14, drill rod and drill head. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0022] Please refer to Figures 1-3 The utility model provides a technical scheme: a water super -deep mixing pile machine power head device and operating method.

[0023] In view of the above problems to be solved: the traditional water mixing pile construction, due to the large sea waves, the ship up and down, left and right shaking, especially the surge damage is greater, to the ship caused by the sea conditions such as swing, up and down, swing, rotation, conventional mixing pile equipment, often cause drill pipe breakage, drill pipe joint loose slurry, pile driving power head in the impact of the sea waves and surge, gear box damage and oil leakage equipment bearing seal ring dislocation or damage, cause the equipment can't work normally, high maintenance cost, reduce the work time, seriously affect the production and construction period

[0024] The solution is as follows: a kind of water super deep mixing pile machine power head device and operation method, including: slurry system 1, the pipeline connection end of the slurry system 1 is provided with inner tube 8 and the lower part of the inner tube 8 is provided with drill pipe and drill bit 14, the inner tube 8 is fixedly connected between the flange and the drill pipe and drill bit 14, the outer part of the inner tube 8 is provided with outer tube 7 and the surface of the outer tube 7 is provided with driven gear 12, the side of the outer tube 7 is provided with gear box 9 and the upper part of the gear box 9 is provided with power system 6, the transmission shaft of the power system 6 extends to the inside of the gear box 9 and is provided with driving gear 11, the driving gear 11 and the driven gear 12 are engaged with each other, the inner tube 8 and the gear box 9 are provided with upper bearing system 10 and lower bearing system 13, the upper and lower ends of the inner tube 8 are respectively provided with upper fixed support 2 and lower fixed support 5, the upper part of the lower fixed support 5 is provided with lower spring 4 and the lower part of the upper fixed support 2 is provided with upper spring 3, the upper spring 3 and the lower spring 4 are connected between the outer tube 7, the power system 6 transmits power to the driving gear 11 in the gear box 9 through the transmission shaft, the driving gear 11 in the gear box 9 transmits power to the driven gear 12 through gear engagement, the driven gear 12 and the outer tube 7 are connected through spline to realize the rotation of the outer tube 7; the outer tube 7 and the inner tube 8 are provided with spline, the outer spline of the inner tube 8 and the inner spline of the outer tube 7 are engaged with each other, the outer tube 7 drives the inner tube 8 to rotate, at the same time, the outer spline of the inner tube 8 can slide up and down along the inner spline of the outer tube 7; the upper and lower ends of the inner tube 8 are provided with spring and spring support to constrain the up and down sliding of the inner tube 8 within a certain range and slow sliding, effectively absorbing the energy wave impact of the surge; the lower end of the inner tube 8 is connected with the drill pipe through the flange, the inner tube 8 drives the drill pipe to rotate and move up and down; the lower end of the drill pipe is rigidly connected with the drill bit, the drill pipe drives the drill bit to rotate and move up and down, the upper end of the inner tube 8 is connected with the slurry system 1, the slurry system 1 delivers slurry to the drill bit end through the hollow part of the inner tube 8, and sprays to the soil layer under the action of a certain pressure.

[0025] Further improvement, such as Figure 2 、 3As shown: the outer tube 7 and the inner tube 8 are provided with splines, the outer spline of the inner tube 8 and the inner spline of the outer tube 7 are mutually engaged, the inner tube 8 can slide up and down along the spline of the outer tube 7, this design not only ensures the effective transmission of power, but also allows the inner tube 8 to have a certain buffer space when subjected to external impact, thereby reducing the risk of equipment damage, the spline can be a toothed structure or a six-sided shaft structure.

[0026] Further improved, as shown in Figure 1 As shown: the inner part of the upper fixed support 2 and the lower fixed support 5 is provided with a groove matched with the upper spring 3 and the lower spring 4, this setting can ensure that the spring can be accurately positioned during installation, avoiding the spring from shifting or mispositioning during use, thereby ensuring the buffering effect of the spring.

[0027] Further improved, as shown in Figure 1 As shown: the upper and lower ends of the outer tube 7 are provided with grooves matched with the upper spring 3 and the lower spring 4, setting grooves matched with the spring at the upper and lower ends of the outer tube 7 can further limit the sliding range of the inner tube 8 in the outer tube 7, ensuring that the inner tube 8 can buffer within the predetermined range when subjected to impact.

[0028] Further improved, the operating method of the water super-deep mixing pile machine power head device comprises the following steps:

[0029] Step 1: start the power system 6, the power system 6 transmits power to the driving gear 11 in the gear box 9 through the transmission shaft, and the driving gear 11 transmits power to the driven gear 12 through gear engagement;

[0030] Step 2: the driven gear 12 transmits power to the outer tube 7, so that the outer tube 7 can rotate; the outer tube 7 transmits power to the inner tube 8 through the spline, so that the inner tube 8 rotates;

[0031] Step 3: the upper bearing system 10 and the lower bearing system 13 are provided between the inner tube 8 and the gear box 9, so that the gear box 9 remains relatively stationary regardless of the rotation of the inner tube 8;

[0032] Step 4: the lower end of the inner tube 8 is connected with the drill rod and drill bit 14 by flange, the inner tube 8 drives the drill rod and drill bit 14 to rotate when it rotates;

[0033] Step 5: the upper end of the inner tube 8 is connected with the slurry supply system 1, the slurry supply system 1 delivers slurry to the end of the drill rod and drill bit 14 through the hollow part of the inner tube 8 and sprays it into the soil layer, the drill rod and drill bit 14 cut and mix the soil while moving up and down, driving the power head gear box 9 to move up and down together, and mixing the slurry provided by the slurry supply system 1 with the soil to reinforce the foundation;

[0034] Step 6: When the sea waves are large, the stirring pile machine drill rod and drill bit 14 will fluctuate with the ship; when the ship falls from the wave crest, the drill rod and drill bit 14 cannot continue to fall after touching the bottom, and the power head gear box 9 will continue to move downward, at which time the outer tube 7 spline connected with the gear box 9 will move downward along the inner tube 8 spline, and the lower spring 4 at the lower end of the inner tube 8 will buffer the downward movement of the outer tube 7, thereby protecting the gear box 9, drill rod and drill bit 14 from damage; when the ship is thrown up from the wave trough, the drill rod and drill bit 14 are still in the soil layer, and the power head gear box 9 will move upward with the ship, at which time the outer tube 7 spline connected with the gear box 9 will move upward along the inner tube 8 spline, and the upper spring 3 at the lower end of the inner tube 8 will buffer the upward movement of the outer tube 7, thereby protecting the gear box 9 from damage.

[0035] Working principle: the power system 6 transmits power to the driving gear 11 in the gear box 9 through the transmission shaft, the driving gear 11 in the gear box 9 transmits power to the driven gear 12 through gear engagement, and the driven gear 12 and the outer tube 7 are connected through spline to realize the rotation of the outer tube 7; the outer tube 7 and the inner tube 8 are provided with splines, the outer spline of the inner tube 8 and the inner spline of the outer tube 7 are engaged with each other, the outer tube 7 drives the inner tube 8 to rotate, and the outer spline of the inner tube 8 can slide up and down along the inner spline of the outer tube 7; the upper and lower ends of the inner tube 8 are provided with springs and spring supports to constrain the up and down sliding of the inner tube 8 within a certain range and slowly slide, effectively absorbing the energy wave impact of the surge; the lower end of the inner tube 8 is connected with the drill rod through the flange, the movement of the inner tube 8 drives the drill rod to rotate and move up and down; the lower end of the drill rod is rigidly connected with the drill bit, the movement of the drill rod drives the drill bit to rotate and move up and down, and the upper end of the inner tube 8 is connected with the slurry supply system 1, the slurry supply system 1 delivers slurry to the end of the drill bit through the hollow part of the inner tube 8, and sprays it to the soil layer under the action of a certain pressure.

[0036] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0037] Finally should be explained are a few points: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change.

[0038] Finally should be explained is: the above only for the preferred embodiments of the present application has, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A water-based ultra-deep mixing pile machine power head device, characterized in that: Include: Slurry supply system (1), the pipeline connection end of the slurry supply system (1) is provided with inner tube (8) and the lower part of inner tube (8) is provided with drill rod and drill bit (14), inner tube (8) is fixedly connected between flange and drill rod and drill bit (14), the outside of inner tube (8) is provided with outer tube (7) and the surface of outer tube (7) is provided with driven gear (12), the side of outer tube (7) is provided with gear box (9) and the upper part of gear box (9) is provided with power system (6), the transmission shaft of power system (6) extends to the inside of gear box (9) and is installed with driving gear (11), driving gear (11) and driven gear (12) are engaged with each other, upper bearing system (10) and lower bearing system (13) are arranged between inner tube (8) and gear box (9), the upper and lower ends of inner tube (8) are provided with upper fixed support (2) and lower fixed support (5) respectively, the upper part of lower fixed support (5) is provided with lower spring (4) and the lower part of upper fixed support (2) is provided with upper spring (3), upper spring (3) and lower spring (4) are connected between outer tube (7).

2. The power head device of an overwater super-deep mixing pile machine according to claim 1, characterized in that: The outer tube (7) and the inner tube (8) are provided with splines, the outer spline of the inner tube (8) and the inner spline of the outer tube (7) are engaged with each other.

3. The power head device of an overwater super-deep mixing pile machine according to claim 1, characterized in that: The inside of the upper fixed support (2) and the lower fixed support (5) is provided with a groove matched with the upper spring (3) and the lower spring (4).

4. The power head device of an overwater super-deep mixing pile machine according to claim 1, characterized in that: The upper and lower ends of the outer tube (7) are provided with grooves matched with the upper spring (3) and the lower spring (4).

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