CN214363413U

CN214363413U - Vibroflotation equipment with through and discharging

Info

Publication number: CN214363413U
Application number: CN202023330054.4U
Authority: CN
Inventors: 张广彪; 张卫民; 王黎强
Original assignee: BEIJING VIBROFLOTATION ENGINEERING MACHINERY CO LTD
Current assignee: BEIJING VIBROFLOTATION ENGINEERING MACHINERY CO LTD
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-08
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a shake towards equipment with well logical ejection of compact down belongs to and shakes towards ware technical field, shakes towards ware, motor, shake and be connected with first flange between towards ware and the motor, a serial communication port, shake towards ware, motor and be hollow structure, shake towards the ware including first casing, the drift that shakes, be used for the first pipe of rubble unloading, the periphery of first pipe is provided with the eccentric block, the drift that shakes is equipped with the through-hole that is used for installing first pipe, the motor is including the second pipe that is used for with first pipe intercommunication, first pipe is located the middle part of first casing, the lower part of first pipe penetrates the through-hole, the top and the second pipe intercommunication of first pipe, the eccentric block cover is on first casing, the eccentric block upper end is connected with the motor, the lower extreme of eccentric block with shake the drift and be connected. The utility model discloses can with building stones passageway design in the middle of the guide arm with shake towards the ware, simple structure, the processing of being convenient for have improved the quality and the efficiency of pore-forming.

Description

Vibroflotation equipment with through and discharging

Technical Field

The utility model relates to a shake towards equipment with well logical lower discharging belongs to and shakes towards ware technical field.

Background

In the field of composite foundation construction, vibroflotation piles have become the main technical means for improving the bearing capacity of the foundation and reducing settlement. The existing vibroflotation method is usually adopted for building vibroflotation piles, and is also called vibroflotation method, wherein a vibroflotation device is hoisted by a crane, a submersible motor is started to drive an eccentric block, so that a vibrator generates high-frequency vibration, a water pump is started at the same time, high-pressure water flow is sprayed through a nozzle, under the combined action of vibration and vibroflotation, the vibrator is sunk to a preset depth in soil, broken stones are filled into the hole section by section from the ground after the hole is cleaned, the broken stones are compacted under the vibration effect, the vibrator can be lifted after the required compactness is achieved, and the process is repeated until the ground. Thus, a large-diameter compact pile body can be formed in the foundation and forms a composite foundation with the original foundation, the bearing capacity of the foundation can be effectively improved, the settlement is reduced, the method is widely applied to the aspects of treating soil liquefaction, reducing mountain landslide, increasing soil layer seismic capacity and the like, and the method is a rapid, economic and effective reinforcing method.

In the prior art, the stone enters the shock absorber from the guide rod, then enters the discharge channel 5 of the stone as shown in figure 1 from the shock absorber, and the discharge channel 5 is arranged on the outer side of the vibroflotation device 4, so that the cross section of the vibroflotation device is enlarged, the center of gravity deviates from the axis of the vibroflotation device, the hole forming is easy to deviate, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a shake towards equipment with well logical lower discharging with building stones channel design in the middle of the guide arm with shake towards the ware, simple structure, the processing of being convenient for have improved the quality and the efficiency of pore-forming, and its technical scheme is as follows:

the utility model provides a shake towards equipment with well logical ejection of compact down, includes and shakes towards ware, motor, shake and be connected with first flange between dashing ware and the motor, shake towards ware, motor and be hollow structure, shake towards ware including first casing, shake the drift, be used for the first pipe of rubble unloading, the periphery of first pipe is provided with the eccentric block, the drift that shakes is equipped with the through-hole that is used for installing first pipe, the motor is including the second pipe that is used for with first pipe intercommunication, first pipe is located the middle part of first casing, the lower part of first pipe penetrates the through-hole, the top and the second pipe intercommunication of first pipe, the eccentric block cover is on first casing, the eccentric block upper end is connected with the motor, the lower extreme of eccentric block with shake the drift and be connected.

Further, the motor is characterized by further comprising a second shell, a stator, a rotor, a motor shaft and a motor end cover, wherein the stator, the rotor and the motor shaft are of a hollow structure, the bottom of the second shell is fixedly connected with a first flange, the top of the second shell is connected with the motor end cover, the stator is arranged on the inner side of the second shell, the rotor is arranged on the inner side of the stator, the rotor is sleeved on the periphery of the motor shaft, the motor shaft is sleeved on the periphery of a second round pipe, and the lower portion of the motor shaft penetrates through the first flange and is connected with the eccentric block.

Furthermore, first self-aligning roller bearings are arranged between the two ends of the motor shaft and the second circular tube, and an oil seal is arranged between the lower portion of the motor shaft and the first flange.

Further, the eccentric block includes sectorial eccentric block main part, the front end of eccentric block main part is provided with the shaft hole, the upper end of eccentric block main part is equipped with first recess, the lower extreme of eccentric block main part is equipped with the second recess, the tank bottom intercommunication of first recess and second recess, first drum is installed to the first recess, the second drum is installed to the second recess, the top of first drum is provided with the second flange that is used for being connected with the motor spindle, the eccentric block cover is in first pipe periphery, the second flange is installed on first drum top, the second flange is connected with the motor spindle, the second drum with shake the drift and be connected, eccentric block and first casing inboard are provided with the gum cover.

Further, the outer diameter of the second flange is the same as the outer diameter of the eccentric block main body, the inner diameter of the second flange, the inner diameter of the first cylinder and the inner diameter of the second cylinder are the same, the inner diameter of the first cylinder is larger than the aperture of the shaft hole, and the inner diameter of the second cylinder is larger than the aperture of the shaft hole.

Further, a coupler is installed on the second flange, a second self-aligning roller bearing is arranged between the second cylinder and the vibrating punch, tapered roller bearings are arranged between the first cylinder and the first circular tube and between the second cylinder and the first circular tube, and the second flange is connected with the motor shaft through the coupler.

The utility model has the advantages that:

the utility model discloses with the discharging channel design of building stones in the middle of the guide arm with shake towards the ware, simple structure, the processing of being convenient for, and shake towards the ware focus coaxial with the axis, avoided the easy off tracking of pore-creating problem, improved the quality and the efficiency of pore-creating.

Drawings

FIG. 1 is a schematic view of a prior art vibro-impact apparatus and a tapping channel;

FIG. 2 is a schematic view of a vibroflotation device with through bottom discharge;

FIG. 3 is a cross-sectional view of a vibro-impact apparatus with through-the-bottom discharge;

FIG. 4 is a schematic view of the eccentric mass;

FIG. 5 is a sectional view of the eccentric mass.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that the terms "top," "middle," "bottom," "upper," "lower," "side," "inner," "left side," "right side," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

The vibroflotation equipment with through and down discharging function shown in fig. 2-3 comprises a vibroflotation device 1, a motor 2 and a first flange 3, wherein the first flange 3 is connected between the vibroflotation device 1 and the motor 2, the vibroflotation device 1 and the motor 2 are both of a hollow structure, so that stone can enter a guide rod above the vibroflotation device into the motor and then enter the vibroflotation device from the motor, and broken stones are filled into holes with preset depth from the bottom of the vibroflotation device.

The motor 2 comprises a second circular tube 21, a second shell 22, a stator 23, a rotor 24, a motor shaft 25, a motor end cover 26, a first self-aligning roller bearing 27 and a first deep groove bearing 28, wherein the stator 23, the rotor 24 and the motor shaft 25 are all of a hollow structure, the bottom of the second shell 22 is fixedly connected with a first flange 3, the top of the second shell 22 is connected with the motor end cover 26, the stator 23 is arranged on the inner side of the second shell 22, the rotor 24 is arranged on the inner side of the stator 23, the rotor 24 is sleeved on the periphery of the motor shaft 25, the motor shaft 25 is sleeved on the periphery of the second circular tube 21, and the lower part of the motor shaft 25 penetrates through the first flange 3 and is connected with the eccentric block 14.

Specifically, an oil seal 31 is arranged between the lower part of the motor shaft 25 and the first flange 3, and dust on a construction site can be prevented from entering the motor to influence the performance of the motor through the oil seal. In addition, a first self-aligning roller bearing 27 is arranged between the two ends of the motor shaft 25 and the second circular tube 21, a first deep groove bearing 28 is arranged between the two ends of the motor shaft 25 and the second channel 24, as shown in fig. 2, the first self-aligning roller bearing 27 is matched with the first deep groove bearing 28, wherein the first self-aligning roller bearing 27 positioned at the top of the motor shaft 25 is positioned above the first deep groove bearing 28, the first self-aligning roller bearing 27 positioned at the bottom of the motor shaft 25 is positioned below the first deep groove bearing 28, the first self-aligning roller bearing 27 can bear the force in two directions of axial force and radial force, and the stress distribution is more uniform due to the close fit of the rollers and the roller paths, so that the coaxiality of the motor shaft 25 and the second circular tube 21 can be improved.

The vibroflotation device 1 comprises a first shell 11, a vibroflotation head 12, a first round pipe 13, an eccentric block 14, a through hole 121, wherein the middle part of the vibroflotation head 12 is arranged at the through hole 121, the top end of the shell 11 is connected with a first flange 3, the bottom end of the shell 11 is fixedly connected with the vibroflotation head 12, the middle part of the first shell 11 is provided with the first round pipe 13, the lower part of the second round pipe 21 passes through the first flange 3 and the first round pipe 13, the lower part of the first round pipe 13 can penetrate through the through hole 121, so that stone finally fills in the hole from the through hole 121 of the vibroflotation head after entering the first round pipe 13 from a motor 2. In addition, the outer side of the first circular tube 13 is sleeved with an eccentric block 14, the upper end of the eccentric block 14 is connected with the motor 2, the lower end of the eccentric block 14 is connected with the vibroflot 12, and the rubber sleeve 16 is arranged on the inner sides of the eccentric block 14 and the first shell 11, so that the friction between the eccentric block 14 and the first shell 11 can be reduced.

The eccentric block 14 shown in fig. 4 to 5 includes a fan-shaped eccentric block main body 141, the front end of the eccentric block main body 141 is provided with a shaft hole 145, the upper end of the eccentric block main body 141 is provided with a first groove, the lower end of the eccentric block main body 141 is provided with a second groove, the first groove is communicated with the groove bottom of the second groove, the first groove is provided with a first cylinder 142, the second groove is provided with a second cylinder 143, the second cylinder 143 is connected with the vibro-hammer 12, the top end of the first cylinder 142 is provided with a second flange 144, the second flange 144 is provided with a coupling 15, and the second flange 144 is connected with the motor shaft 25 through the coupling 15. The motor shaft 25 drives the eccentric block 14 to rotate through the coupler, so that horizontal exciting force and amplitude distributed along the axial direction of the main shaft are generated, and the vibroflot can efficiently tap the surrounding soil.

In addition, a second self-aligning roller bearing 18 is disposed between the bottom of the second cylinder 143 and the vibroflotation head 12, wherein the second self-aligning roller bearing 27 can bear forces in two directions of an axial force and a radial force, the stress distribution is uniform, and the coaxiality of the eccentric block 14 and the second circular tube 21 can be improved. Tapered roller bearings 19 are arranged between the first cylinder 142 and the first circular tube 13 and between the second cylinder 143 and the first circular tube 13, wherein the tapered roller bearings 19 can bear combined radial and axial loads which are mainly generated when the eccentric block 14 runs at a high speed under the driving of a motor, so that the eccentric block 14 has small jump during rotation, and the equipment runs stably.

Further, the outer diameter of the second flange 144 is the same as the outer diameter of the eccentric mass body 141, the inner diameter of the second flange 144, the inner diameter of the first cylinder 142, and the inner diameter of the second cylinder 143 are the same, the inner diameter of the first cylinder 142 is larger than the diameter of the shaft hole 145, and the inner diameter of the second cylinder 143 is larger than the diameter of the shaft hole 145. In the prior art, a plurality of eccentric blocks are generally fixed on a main shaft of the vibroflotation device, and a bearing is arranged between every two adjacent eccentric blocks, so that the bending moment born by a rotating shaft can be effectively reduced, and the rotating shaft is prevented from bending and deforming. The utility model discloses contain 3 eccentric blocks in other words, be located the eccentric block at top, middle part eccentric block, the eccentric block of lower part promptly, through adopting the integrated into one piece design, reduce a plurality of eccentric block wearing and tearing, prevent that the inhomogeneous emergence of main shaft atress from warping.

Principle of operation

The bumper 1 is hoisted by the crane, and the starting motor 2 drives the eccentric block 14, so that the vibrator 1 generates high-frequency vibration, the water pump is started at the same time, and high-pressure water flow is sprayed through the nozzle, meanwhile, crushed stone enters the second round pipe 21 of the motor 2 from the guide rod above the bumper 1, then the crushed stone falls into the first round pipe 13 and finally falls into the through hole 121 of the bumper 12, then the bumper 1 is lifted, the stone in the bumper 1 is sunk into the hole with the preset depth in the soil, so that the bumper is compacted under the combined action of the bumper 1 and the bumper, the vibrator can be lifted after the required compactness is reached, and the operation is repeated until the ground.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a shake towards equipment with ejection of compact under well expert, includes shake towards ware (1), motor (2), shake and be connected with first flange (3) between towards ware (1) and the motor (2), its characterized in that, shake towards ware (1), motor (2) and be hollow structure, shake towards ware (1) including first casing (11), shake towards head (12), be used for rubble unloading first pipe (13), the periphery of first pipe (13) is provided with eccentric block (14), it is equipped with through-hole (121) that is used for installing first pipe (13) to shake towards head (12), motor (2) are including being used for second pipe (21) with first pipe (13) intercommunication, first pipe (13) are located the middle part of first casing (11), the lower part of first pipe (13) penetrates through-hole (121), the top and the second pipe (21) intercommunication of first pipe (13), the eccentric block (14) is sleeved on the first shell (11), the upper end of the eccentric block (14) is connected with the motor (2), and the lower end of the eccentric block (14) is connected with the vibrating punch head (12).

2. A vibroflotation device with through bottom discharge according to claim 1, the motor (2) also comprises a second shell (22), a stator (23), a rotor (24), a motor shaft (25) and a motor end cover (26), the stator (23), the rotor (24) and the motor shaft (25) are all hollow structures, the bottom of the second shell (22) is fixedly connected with the first flange (3), the top of the second shell (22) is connected with a motor end cover (26), the stator (23) is arranged on the inner side of the second shell (22), a rotor (24) is arranged on the inner side of the stator (23), the rotor (24) is sleeved on the periphery of a motor shaft (25), the motor shaft (25) is sleeved on the periphery of the second circular tube (21), and the lower part of the motor shaft (25) penetrates through the first flange (3) and is connected with the eccentric block (14).

3. The vibroflotation equipment with through discharging from below of claim 2, characterized in that, the motor shaft (25) is provided with first self-aligning roller bearings (27) between both ends and the second pipe (21), and an oil seal (31) is provided between the lower part of the motor shaft (25) and the first flange (3).

4. The vibro-replacement device with through discharging function as claimed in claim 2, wherein the eccentric block (14) comprises a fan-shaped eccentric block body (141), the front end of the eccentric block body (141) is provided with a shaft hole (145), the upper end of the eccentric block body (141) is provided with a first groove, the lower end of the eccentric block body (141) is provided with a second groove, the first groove is communicated with the bottom of the second groove, the first groove is provided with a first cylinder (142), the second groove is provided with a second cylinder (143), the top end of the first cylinder (142) is provided with a second flange (144) for connecting with the motor shaft (25), the eccentric block (14) is sleeved on the periphery of the first circular tube (13), the second flange (144) is arranged on the top end of the first cylinder (142), and the second flange (144) is connected with the motor shaft (25), the second cylinder (143) is connected with the vibroflotation head (12), and the eccentric block (14) and the inner side of the first shell (11) are provided with rubber sleeves (16).

5. A vibro-impact device with through bottom discharge according to claim 4, characterized in that the outside diameter of the second flange (144) is the same as the outside diameter of the eccentric mass body (141), the inside diameter of the second flange (144), the inside diameter of the first cylinder (142), and the inside diameter of the second cylinder (143) are all the same, the inside diameter of the first cylinder (142) is larger than the diameter of the shaft hole (145), and the inside diameter of the second cylinder (143) is larger than the diameter of the shaft hole (145).

6. The vibroflotation equipment with through bottom discharging of claim 4, characterized in that, a shaft coupling (15) is installed on the second flange (144), a second self-aligning roller bearing (18) is arranged between the second cylinder (143) and the vibroflotation head (12), tapered roller bearings (19) are arranged between the first cylinder (142) and the first circular pipe (13) and between the second cylinder (143) and the first circular pipe (13), and the second flange (144) is connected with the motor shaft (25) through the shaft coupling (15).