WO2016123832A1

WO2016123832A1 - Resonance crusher vibration crushing system and construction method

Info

Publication number: WO2016123832A1
Application number: PCT/CN2015/073749
Authority: WO
Inventors: 王进怀; 李文豪
Original assignee: 中铁科工集团有限公司; 中铁工程机械研究设计院有限公司
Priority date: 2015-02-05
Filing date: 2015-03-06
Publication date: 2016-08-11
Also published as: CN104612028A; CN104612028B

Abstract

A resonance crusher vibration crushing system and construction method. The vibration crushing system comprises a vibration damping device, a vibration excitation device, a transmission device and a counterweight (8). The vibration excitation device comprises: a vibration source case (6), and a crushing tool tip (11) connected to the lower end of the vibration source case (6). The vibration source case (6) is able to perform inclination angle adjustment. The system has a compact structure, thus providing faster and more uniform crushing, and having small device wear.

Description

Vibration breaking system and construction method for resonance crusher

Technical field

The invention relates to a vibration crushing system and a method, mainly used for a resonance crusher, in particular to a vibration crushing system and a construction method for a resonance crusher.

Background technique

Resonant shredding technology is currently the most superior concrete pavement "white to black" construction solution, the key construction equipment required for this method is the resonance crusher. At present, the vibration breaking system of the resonance crusher in the prior art mainly has the following problems:

1. Complicated equipment: The existing resonant crusher uses the resonant beam to amplify the amplitude, and the material requirements of the resonant beam are particularly high, such as the resonant beam type resonant crusher produced by American RMI Company. This type of resonance crusher is difficult to manufacture and is easily damaged.

2, the construction efficiency is low: the vibration source box of the existing equipment adopts the horizontal arrangement mode, the vibration energy of the vibration source box body can not be well transmitted to the concrete pavement, and the phenomenon that the road surface is broken and uneven and the construction efficiency is not high.

3. The equipment is easy to damage: On the one hand, the vibrating source box of the existing equipment has four vibrating shafts, and two of the four vibrating shafts are two driven shafts of the driving shaft, and the four vibrating shafts inside the box are realized by gears. Linkage. Since the four vibration axes have the difference of active and driven, the torque is transmitted between the gears on the four vibration shafts, the impact load of the gear is large, and the gear is easily damaged; on the other hand, the hydraulic pressure of the existing vibration hammer and the like The motors are directly mounted on the vibration box directly by the in-line type, which affects the service life of the motor to a certain extent. In addition, the shock absorbers used in the existing vibratory hammers, vibratory rollers and other equipment are solid shock absorbers. Can not dissipate heat very well.

Summary of the invention

The present invention mainly solves the technical problems existing in the prior art, and provides a vibration breaking system for a resonance crusher. The vibration crushing system is compact in structure, and is constructed using the invention, and coagulation The earth plate resonance breaks faster and more evenly, while the equipment has less loss and longer service life.

In order to achieve the above object, according to an aspect of the present invention, a vibration crushing system for a resonance crusher includes: a vibration damping device, an excitation device, and a transmission device; wherein: the vibration excitation device includes: a vibration source a box, a crushing cutter head coupled to a lower portion of the vibration source box, wherein the vibration source shaft is mounted with a vibration shaft and a vibration bearing, wherein the vibration shaft is fixed in the vibration source box by a vibration bearing, and the vibration source box can perform the inclination angle The angle of inclination is an angle between the vibration axis and the fractured road surface, and the angle of the angle is adjusted to be -15 to 15 degrees.

Preferably, in the above vibration crushing system, the vibration axis in the vibration source box is two, which are a first vibration axis and a second vibration axis, respectively, and the first vibration axis and the second vibration axis pass through a synchronous gear. Engaging, and the first vibrating shaft and the second vibrating shaft are coupled to the hydraulic motor through the cardan shaft and the motor hollow shaft, respectively.

The above-mentioned vibration crushing system is characterized in that an inner eccentric block is installed in the vibration source box, and the inner eccentric block is fixed on both sides of the synchronous gear, and is coupled with the first vibration shaft and the second vibration shaft through a key connection. .

Preferably, in the above vibration crushing system, the vibration source box is externally mounted with an outer eccentric block, and the outer eccentric block can adjust the eccentric moment, thereby adjusting the amplitude of the entire vibration source box.

The vibration damping device of the above, wherein the vibration damping device comprises: a vibration damping frame, an angle adjusting mechanism, and a shear rubber damper; the vibration excitation device is fixed by a shear rubber damper The angle adjusting mechanism on the vibration damping frame is connected; the weight is fixed on the vibration damping frame; the angle of the angle adjusting mechanism and the vertical direction can be adjusted according to the working angle of the vibration source box.

Optimized, in the above vibration crushing system, the transmission device comprises a hydraulic motor, a motor mount, a motor hollow shaft and a cardan shaft, wherein: the motor mount is mounted on the frame of the vibration damping device; the hydraulic motor is installed through On the motor mount, the output end is connected to one end of the cardan shaft through a motor hollow shaft, and the other end of the cardan shaft is coupled to the vibration shaft.

In order to achieve the above object, according to another aspect of the present invention, there is provided a use of the above A method for performing resonance crushing construction of a vibration crushing system for a resonance crusher, comprising:

Step 1. Refer to the parameters such as the rebound modulus and deflection value of the pavement to be crushed and the parameters of the pavement after the design requirements, and set the tilt angle of the vibration source box of the vibration crushing system to a predetermined value, and pre-construct according to the equipment construction experience parameters. ;

Step 2: Detect the road surface parameters after pre-construction and compare with the required parameters. If the requirements are not met, adjust the tilt angle of the vibration source box and the equipment construction parameters again, and repeat the pre-construction and road surface parameter detection until after construction. The pavement parameters can meet the design requirements parameters;

Step 3: Determine the tilt angle of the vibration source box, and carry out the construction according to the pre-construction equipment construction parameters. When the road surface parameters to be crushed change greatly, repeat steps 1-2 to perform the vibration source box tilt angle and equipment construction parameters. The adjustment is carried out until the required pavement parameters can be achieved.

Therefore, the invention has the following advantages: 1. The device has a compact structure, does not require any amplitude amplifying mechanism, reduces the manufacturing difficulty and material requirements of the device; 2. The construction efficiency is higher, and the inclined arrangement between the vibration source box and the broken road surface is adopted. The concrete plate resonance breaks faster and more uniformly; 3. The equipment loss is reduced, and the equipment loss is reduced by properly setting the structure of the vibration shaft, the motor and the damper.

DRAWINGS

Figure 1 is a front elevational view of the vibratory breaking system of the present invention.

2 is a front view of a vibration damping device and an excitation device of the vibration crushing system of the present invention.

Fig. 3 is a front elevational view showing the excitation device of the vibration crushing system of the present invention.

Fig. 4 is a front elevational view showing the position of the excitation device and the concrete pavement when the vibration crushing system of the present invention is in operation.

detailed description

The technical solutions of the present invention will be further specifically described below by way of embodiments and with reference to the accompanying drawings. In the figure, hydraulic motor 1, motor mount 2, motor mounting bearing 3, motor hollow shaft 4, cardan shaft 5, vibration source box 6, damping frame 7, counterweight 8, angle adjustment mechanism 9, shear rubber Shock absorber 10, crushing cutter head 11, vibration shaft 12, vibration bearing 13, inner eccentric block 14, synchronous gear 15. The outer eccentric block 16, the water cooling passage 17, and the lubricating oil passage 18.

Example:

Referring to Figure 1, a vibration crushing system for a resonance crusher includes: a vibration damping device, an excitation device, a transmission, and a counterweight 8. The excitation device includes a vibration source box 6 and a crushing cutter head 11 coupled to a lower portion of the vibration source box 6.

Referring to FIG. 2, the vibration source box 6 is capable of adjusting the inclination angle, which is an angle between the vibration axis connection and the fractured road surface, and the angle of the angle adjustment is -15 to 15 degrees.

Referring to FIG. 3, a vibration shaft 12, a vibration bearing 13, an inner eccentric block 14, a synchronous gear 15, an outer eccentric block 16, a water cooling passage 17 and a lubricating oil passage 18 are mounted in the vibration source box 6, wherein the vibration shaft 12 includes The first vibration shaft and the second vibration shaft, the first vibration shaft and the second vibration shaft are coupled to the hydraulic motor 1 through the cardan shaft 5 and the motor hollow shaft 4, respectively. A synchronizing gear 15 is mounted between the first vibrating shaft and the second vibrating shaft, and an inner eccentric block 14 is mounted inside the vibrating source box 6 on both sides of the synchronizing gear 15, and the inner eccentric block 14 is coupled to the first vibrating shaft by a key It is coupled to the second vibration shaft and is always symmetrical with respect to the perpendicular line connecting the center lines of the two vibration axes. A plurality of outer eccentric blocks 16 are mounted outside the vibration source box 6 at both ends of the vibration shaft 12. The outer eccentric block 16 can adjust the eccentric moment to adjust the amplitude of the entire vibration source box. A water-cooling passage 17 is provided around the vibration source tank 6 and the vibration bearing 13, and the lubricating oil passage 18 supplies lubricating oil to the synchronous gear 15 and the vibration bearing 13.

As shown in FIG. 2, the vibration damping device includes: a vibration damping frame 7, an angle adjusting mechanism 9, and a shear rubber damper 10; the vibration damping frame 7 is located at two sides of the vibration excitation device, and the weight 8 is fixed. Above the damping frame 7; one end of the shearing rubber damper 10 is coupled to the vibration source box 6 by bolts, and the other end is coupled to the angle adjusting mechanism 9 by bolts, and the other end of the angle adjusting mechanism 9 is damped The frame 7 is coupled, and the angle adjusting mechanism 9 needs to be adjusted according to the working angle of the vibration source box, so that the vibration axis connection of the vibration source box 6 and the fractured road surface are at an angle of -15 to 15 degrees.

The transmission device is as shown in FIG. 1 and includes a hydraulic motor 1, a motor mount 2, a motor mounting bearing 3, a motor hollow shaft 4 and a cardan shaft 5, wherein the hydraulic motor 1 passes through the motor mount 2 and the motor shaft The bearing 3 and the motor hollow shaft 4 are mounted on the vibration damping frame, and the output end of the hydraulic motor 1 is connected to one end of the cardan shaft 5 through the motor hollow shaft 4, and the other end of the cardan shaft 5 is connected to the vibration source box 6 respectively. a vibration axis and a second vibration axis.

As another improvement, the heat dissipation hole may be disposed in the shear rubber damper 10 in the embodiment, and the heat dissipation hole is located at the center of the rubber section of the damper, and penetrates the entire rubber body and the coupling plate. Inject cooling water into the vents to speed up heat dissipation in the damper.

When the vibration crushing system is working, refer to the parameters such as the rebound modulus and the deflection value of the road surface to be crushed and the parameters of the road surface after the design is required to be crushed, and the angle of the vibration source box 6 of the vibration crushing system is predetermined to a value, as shown in FIG. And pre-construction according to the equipment construction experience parameters; detecting the road surface parameters after pre-construction, and comparing with the required parameters, if the requirements are not met, then adjusting the inclination angle of the vibration source box 6 and the equipment construction parameters again, repeating the pre-construction Compared with the road surface parameter detection, the road surface parameters can reach the design requirement parameters after the construction; the inclination angle of the vibration source box 6 is determined, and the construction is carried out according to the pre-construction equipment construction parameters, when a large change occurs in the parameters of the road surface to be crushed, Repeat the above steps to adjust the tilt angle of the vibration source box 6 and the construction parameters of the equipment until the required road parameters can be achieved.

After adopting the above structure, when the concrete is marked C35, the thickness of the concrete slab is 26cm, and the bending strength of the concrete slab is greater than 5.0MPa, the inclination between the excitation box and the broken road surface during the resonance crushing construction process of the equipment When the angle is -8 degrees, the construction speed of the existing equipment can reach the maximum running speed of 5Km/h, and the maximum construction efficiency can be achieved while ensuring the construction quality, and other inclination angles cannot meet this requirement. According to different concrete pavement standards, there is a most reasonable inclination angle between the excitation box and the broken road surface during the construction process. Under the most reasonable inclination angle, the construction can ensure the construction quality and achieve the maximum construction efficiency. Most concrete pavements have a most reasonable angle of inclination between -15 and 15 degrees during the construction process.

As can be seen from the above description, the present invention can achieve the following technical effects:

1. The integral excitation box of the invention directly realizes high-frequency and large-amplitude vibration, does not require any amplitude amplifying mechanism, reduces the difficulty of equipment manufacturing and requirements for manufacturing materials, is not easy to be damaged, and has a long service life.

2. The excitation box of the existing equipment adopts the horizontal arrangement mode, and the vibration energy of the excitation box body cannot be well transmitted to the concrete pavement, and the phenomenon that the road surface is broken and uneven and the construction efficiency is not high. The slanting arrangement of the excitation box body and the crushed road surface of the invention forms an angle of -15 to 15 degrees, and the vibration energy of the excitation box body is more effectively transmitted to the concrete slab of the road surface, so that the resonance breaking of the concrete slab is faster and more uniform. .

3. The excitation box of the invention has only two vibration shafts, each of which is directly driven by a hydraulic motor through a cardan shaft, a synchronous gear is installed in the excitation box, no torque is transmitted between the synchronous gears, and a synchronous gear is provided. And the service life of the cabinet.

4. The excitation box of the existing equipment is directly connected to the shock absorbing frame by the shear rubber damper, and the inclined arrangement of the excitation box is not realized, by passing between the shear rubber damper and the shock absorbing frame. The angle adjustment mechanism is added to connect, and the structure conveniently realizes the overall inclination of the excitation box body, and realizes the oblique excitation force acting on the concrete road surface, so that the vibration energy is more effectively transmitted to the concrete road surface.

5. The hydraulic motor of the present invention transmits the rotary power to the excitation box through the hollow shaft of the hydraulic motor, the universal joint shaft, etc., and does not directly participate in the vibration, thereby increasing the amplitude of the excitation box and enhancing the crushing effect, and improving the hydraulic motor. The protection increases the service life of the hydraulic motor.

6. The shear rubber shock absorber used in the present invention has a heat dissipation hole in the interior thereof, and the water spray cooling measure is adopted during use, thereby improving the service life of the shear rubber shock absorber.

The specific embodiments described herein are merely illustrative of the spirit of the invention. A person skilled in the art can make various modifications or additions to the specific embodiments described or in a similar manner, without departing from the spirit of the invention or as defined by the appended claims. The scope.

Although more hydraulic motor 1, motor mount 2, motor mounting bearing 3, Motor hollow shaft 4, universal joint shaft 5, vibration source box 6, vibration damping frame 7, counterweight 8, angle adjustment mechanism 9, shear rubber damper 10, crushing cutter head 11, vibration shaft 12, vibration bearing 13 , internal eccentric block 14, synchronizing gear 15, outer eccentric block 16, water-cooled passage 17, lubricating oil passage 18, etc., but does not exclude the possibility of using other terms. These terms are used to more easily describe and explain the nature of the invention; any of these additional limitations are inconsistent with the spirit of the invention.

Claims

A vibration crushing system for a resonance crusher, comprising: a vibration damping device, an excitation device, and a transmission device; wherein: the vibration excitation device comprises: a vibration source box (6) connected to a lower portion of the vibration source box (6) a crushing cutter head (11), wherein the vibration source shaft (12) is mounted with a vibration shaft (12) and a vibration bearing (13), and the vibration shaft (12) is fixed to the vibration source box by a vibration bearing (13) ( 6), characterized in that the vibration source box (6) is capable of adjusting the inclination angle, and the inclination angle is an angle between the vibration axis (12) and the fractured road surface, and the angle adjustment range is -15~ 15 degrees.
A vibration crushing system according to claim 1, wherein the vibration axis (12) in the vibration source box (6) is two, respectively a first vibration axis and a second vibration axis, The first vibrating shaft and the second vibrating shaft are meshed by a synchronizing gear (15), and the first vibrating shaft and the second vibrating shaft are coupled to the hydraulic motor through the cardan shaft (5) and the motor hollow shaft (4), respectively. ).
A vibration crushing system according to claim 1, wherein an inner eccentric block (14) is mounted in the vibration source box (6), and the inner eccentric mass (14) is fixed to the synchronous gear (15). Both sides are coupled to the first vibration shaft and the second vibration shaft by a key coupling.
A vibration crushing system according to claim 1, wherein the vibration source box (6) is externally mounted with an outer eccentric mass (16), and the outer eccentric mass (16) can adjust the eccentric moment to adjust The amplitude of the entire source box.
A vibration crushing system according to claim 1, wherein said vibration damping device comprises: a vibration damping frame (7), an angle adjusting mechanism (9), and a shear rubber damper (10); The excitation device is coupled to the (9) fixed to the vibration damping frame (7) by a shear rubber damper (10); a weight (8) is fixed above the vibration damping frame (7); The angle between the angle adjusting mechanism (9) and the vertical direction can be adjusted according to the working angle of the vibration source box.
A vibration crushing system according to claim 1, wherein said transmission comprises a hydraulic motor (1), a motor mount (2), a motor hollow shaft (4) and a cardan shaft (5), Wherein: the motor mount (2) is mounted on the frame of the vibration damping device; the hydraulic motor (1) is mounted on the motor mount (2), and the output end is connected to the cardan shaft via the motor hollow shaft (4) (5) At one end, the other end of the cardan shaft (5) is coupled to the vibration shaft (12).
A method for performing resonance crushing construction using the vibration crushing system for a resonance crusher according to claim 1, comprising:

Step 1. Refer to the parameters such as the rebound modulus and deflection value of the pavement to be crushed and the parameters of the pavement after the design requirements, and set the tilt angle of the vibration source box of the vibration crushing system to a predetermined value, and pre-construct according to the equipment construction experience parameters. ;

Step 2: Detect the road surface parameters after pre-construction and compare with the required parameters. If the requirements are not met, adjust the tilt angle of the vibration source box and the equipment construction parameters again, and repeat the pre-construction and road surface parameter detection until after construction. The pavement parameters can meet the design requirements parameters;

Step 3: Determine the tilt angle of the vibration source box, and carry out the construction according to the pre-construction equipment construction parameters. When the road surface parameters to be crushed change greatly, repeat steps 1-2 to perform the vibration source box tilt angle and equipment construction parameters. The adjustment is carried out until the required pavement parameters can be achieved.