CN210797525U - Double-shaft counter-rotating vibrating rammer device - Google Patents
Double-shaft counter-rotating vibrating rammer device Download PDFInfo
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- CN210797525U CN210797525U CN201921627283.7U CN201921627283U CN210797525U CN 210797525 U CN210797525 U CN 210797525U CN 201921627283 U CN201921627283 U CN 201921627283U CN 210797525 U CN210797525 U CN 210797525U
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Abstract
The utility model provides a double-shaft counter-rotating vibratory rammer device, which comprises a box body, wherein a driving shaft and a driven shaft are arranged in the box body, the driving shaft and the driven shaft are arranged in parallel, a driving gear and a first eccentric block are arranged on the driving shaft, and the driving gear is fixedly connected with the first eccentric block; a driven gear and a second eccentric block are arranged on the driven shaft, and the driven gear is fixedly connected with the second eccentric block; the driving gear and the driven gear are meshed with each other to enable the driving gear to drive the driven gear to move in opposite directions, so that the first eccentric block and the second eccentric block can synchronously rotate in opposite directions. The double eccentric blocks generate centrifugal force to drive the tamping plate to vibrate, the exciting force is large, the compaction capacity is enhanced, the compaction effect is improved, the energy utilization rate is high, and the influence on the surrounding environment is reduced.
Description
Technical Field
The utility model belongs to the technical field of the vibrocompaction technique and specifically relates to a biax is to changeing vibrating rammer device.
Background
The tamping machine is commonly used for the stable compaction of a newly-built roadbed in the road building industry and the application of operations such as tamping and the like after backfilling a foundation pit when a house is built, thereby effectively improving the quality of backfill engineering. At present, the traditional tamper mainly relying on a heavy hammer falling from the air and the vibratory tamper relying on gravity and vibration are more applied.
The vibrating rammer is widely used for compacting pavements of roads or other similar constructs, and mainly depends on the combined action of the self mass, the frequency of mechanical vibration and the exciting force to compact a pressed material, so that the vibrating rammer is used for compacting the material with small bonding force and friction force among particles. The vibration ramming plate with more applications is of a single eccentric shaft structure, when the eccentric shaft does circular motion, centrifugal force can be generated, and the centrifugal force acts on the ramming plate to cause the ramming plate to vibrate. When the vibratory tamper with the single eccentric shaft structure acts on auxiliary materials, the vibratory tamper not only has the compaction effect of vertical vibration, but also has the vibration effect of horizontal single direction, so that energy waste is caused, the efficiency is low, and the accumulation of pressed materials can be caused. Meanwhile, the compaction force of the single-shaft vibration compactor is small, so that the compactness of a filling is not high, and the engineering quality is influenced. In addition, a single eccentric shaft vibratory roller is generally adopted during compaction operation of municipal engineering, the vibration energy of the vibratory roller is dispersed in a fan shape, and the impact on dangerous and old houses around the operation is great.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a biax contra-rotating vibratory rammer device that exciting force is big, compaction ability reinforcing, energy utilization is high, to the compacting action of auxiliary material layer vibration about only, do not have the effect of kneading of horizontal folk prescription to, and the during operation is less to the influence of surrounding environment.
The utility model provides a biax counter-rotating vibratory rammer device, including the box, be provided with driving shaft and driven shaft in the box, driving shaft and driven shaft parallel arrangement, be provided with driving gear and first eccentric block on the driving shaft, and driving gear with first eccentric block fixed connection; a driven gear and a second eccentric block are arranged on the driven shaft, and the driven gear is fixedly connected with the second eccentric block; the driving gear and the driven gear are meshed with each other to enable the driving gear to drive the driven gear to move in opposite directions, so that the first eccentric block and the second eccentric block can synchronously rotate in opposite directions.
As a preferable measure of the present invention, the first eccentric blocks are respectively disposed on both sides of the driving gear; the two sides of the driven gear are respectively provided with the second eccentric blocks.
As a further improvement of the scheme, a vent plug is arranged at the top of the box body.
As a further improvement of the above solution, the driving gear and the driven gear are respectively connected with the first eccentric block and the second eccentric block by bolts and/or positioning pins, so that the driving gear and the driven gear can respectively rotate synchronously with the first eccentric block and the second eccentric block.
As a preferable measure of the present invention, the driving shaft and the driven shaft are connected to the driving gear and the driven gear respectively through flat keys.
As a preferable measure of the present invention, the driving shaft is connected to a power device, and an output end of the power device is connected to the driving shaft through a spline.
As a preferable measure of the present invention, the driving shaft and the driven shaft are fixed to the box body through bearings respectively.
As a preferred measure of the utility model, the bottom of the box body is fixed with a compaction bottom plate, the box body with the compaction bottom plate is fixed through the welding mode.
As a further improvement of the scheme, an upper cover plate is arranged on the periphery of the box body, and the box body is movably connected with the upper cover plate.
As a further improvement of the above solution, a shock absorber is provided in the upper cover plate, and the shock absorber is fixed to the box body and the upper cover plate.
As a further improvement of the scheme, the shock absorbers are symmetrically arranged on the left side and the right side of the box body.
Compared with the prior art, the utility model discloses there is following positive effect:
1. the utility model discloses a pair of eccentric shafts is to the rotating mode, and the rotatory produced centrifugal force of diaxon eccentric block component on the horizontal direction is the size always equal, opposite direction, so join in marriage and is zero, and component size on the vertical direction equals, and the direction is unanimous, consequently only the compaction effect of vibration from top to bottom to the auxiliary material layer, does not have the rubbing effect of horizontal folk prescription orientation. The vibration force of the vibratory tamper is improved by arranging the two vibration shafts, vibration waves are propagated in a centralized and directional mode, the exciting force is large, the compacting capability is enhanced, the influence depth is increased, and the compacting effect is improved; the vibration energy utilization rate is improved, the energy consumption is reduced, the energy can be saved, and the engineering economic benefit can be improved; the adverse effect of vibration on the surrounding environment is reduced, and the environment is protected; the compaction effect of a large-tonnage common vibratory roller is achieved with relatively small tonnage, and the risk of aggregate overpressure crushing is avoided.
2. The utility model discloses a set up the bumper shock absorber between box and upper cover plate, reduced because of the impact force of pivot eccentric motion production, play the guard action to upper cover plate and adapting unit. The utility model discloses a vibration ramming plate simple structure, convenient to use, operator low in labor strength, vibration frequency height adopt hydraulic motor drive, need not the power, are fit for little place, open-air vibration tamping operation, are fit for using in the vibration tamping operation of middle-size and small-size construction engineering project.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a cross-sectional view of the plane B-B' of the top view of the present invention.
Fig. 5 is a schematic view of the rotation of the dual eccentric shaft of the present invention.
In the figure: 1-a hydraulic motor; 21-a drive gear; 22-a driven gear; 31-a first eccentric mass; 32-a second eccentric mass; 41-driving shaft; 42-a driven shaft; 5-a bearing; 6-a shock absorber; 7-a box body; 8-compacting the bottom plate; 9-upper cover plate; 10-Vent plug.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The utility model provides a biax counter-rotating vibratory rammer device. Referring to fig. 1 to 5, a case 7 is included. A driving shaft 41 and a driven shaft 42 are arranged in the box body 7, the driving shaft 41 and the driven shaft 42 are arranged in parallel, a driving gear 21 and a first eccentric block 31 are arranged on the driving shaft 41, and the driving gear 21 is fixedly connected with the first eccentric block 31. The driven shaft 42 is provided with a driven gear 22 and a second eccentric block 32, and the driven gear 22 is fixedly connected with the second eccentric block 32. The driving gear 21 and the driven gear 22 are meshed with each other to make the driving gear 21 drive the driven gear 22 to move towards each other, so that the first eccentric block 31 and the second eccentric block 32 can synchronously rotate in opposite directions. Wherein, a shaft, a gear and the eccentric blocks at the two sides of the gear form a group of eccentric wheel structures. Under the drive of the power device, the driving shaft 41 drives the driving gear 21 and the first eccentric block 31 to synchronously rotate, and the driving gear 41 simultaneously drives the driven gear 42 to reversely rotate, so as to drive the second eccentric block 32 to symmetrically and reversely rotate relative to the first eccentric block 31, thereby realizing the synchronous contrarotation of the double eccentric blocks, enabling the box body 7 to be only stressed in the vertical direction and not stressed in the horizontal direction, and realizing the high-frequency vertical vibration. The double-eccentric wheel mechanism improves the vibration strength of the box body 7 in the vertical direction, thereby improving the tamping force, influencing the depth increase, improving the thickness and the compacting effect of the compaction laying layer and having higher compacting efficiency; the vibration energy utilization rate is improved, and the energy consumption is reduced; and the adverse effect of vibration on the surrounding environment is reduced.
Preferably, a first eccentric block 31 is respectively arranged at two sides of the driving gear 21; second eccentric weights 32 are provided on both sides of the driven gear 22, respectively. Referring to fig. 1, the gears in the housing 7 are disposed in the middle of the shaft. The first eccentric block 31 on the driving shaft 41 and the second eccentric block 32 on the driven shaft 42 are respectively two, the two first eccentric blocks 31 are symmetrically arranged on two sides of the driving gear 41, the two second eccentric blocks 32 are symmetrically arranged on two sides of the driven gear 22, centrifugal force generated by rotation of the eccentric blocks is larger, the box 7 is driven by the shaft to vibrate up and down, and vibration acting force is stronger. In order to increase the tamping force, in the embodiment, the driving gear 21 and the driven gear 22 have the same size, the first eccentric block 31 and the second eccentric block 32 also have the same size, and the driving gear 41 drives the driven gear 42 to make the vibrations of the first eccentric block 31 and the second eccentric block 32 at the same frequency.
Referring to fig. 5, the double eccentric mechanisms in the box body move oppositely at the same rotating speed, and the formula of the exciting force is as follows:
F＝Me×ω2，
in the formula: ω is the angular velocity of the eccentric mass;
Meis eccentric momentAnd MeWhere m is the mass of a single eccentric mass and r is the eccentricity of the eccentric mass.
Because the relative position of the eccentric blocks is fixed, the component force of the centrifugal force generated by the eccentric shaft in the horizontal direction and the component force of the centrifugal force generated by the eccentric shaft in the vertical direction are respectively as follows:
Fx＝F×Sinφ
Fy＝F×Cosφ
where Φ is the angle between the centrifugal force and the vertical.
Therefore, the component forces of the centrifugal forces generated by the two eccentric shafts in the horizontal direction are always equal in magnitude and opposite in direction, so that the resultant force is zero, namely Ee Fx0. The component forces in the vertical direction are equal in magnitude and consistent in direction, so the resultant force is: eFy2F × Cos Φ. Under the action of directional periodic force, the motion track of the vibration tamping plate is an up-and-down straight line. Therefore, the double-shaft counter-rotating vibratory tamper only has the compaction effect in the vertical direction on auxiliary materials and does not have the kneading effect in the left and right directions.
Preferably, referring to fig. 1, a vent plug 10 is provided at the top of the tank 7. When the eccentric blocks on the two shafts generate vibration in a contrarotating mode, a large amount of heat can be generated inside the box body 7 due to long-time action, so that the internal pressure and the external pressure of the box body 7 are unequal, the ventilation plug is used for balancing the internal pressure and the external pressure of the box body 7, and irregular vibration caused by unequal internal pressure and external pressure of the box body 7 is avoided.
Preferably, referring to fig. 4, the driving gear 21 and the driven gear 22 are connected to the first eccentric block 31 and the second eccentric block 32 by bolts and/or positioning pins, respectively, so that the driving gear 21 and the driven gear 22 can rotate synchronously with the first eccentric block 31 and the second eccentric block 32, respectively. The connection stability of the gear and the eccentric block is improved by using the bolt and/or the positioning pin, so that the gear and the eccentric block synchronously rotate, and the power transmission between the gear and the eccentric block is realized. When the driving shaft 41 rotates, the driving gear 21 is driven to rotate synchronously with the first eccentric block 31, and the driving gear 21 drives the driven gear 22 and the second eccentric block 32 to move synchronously, so that the first eccentric block 31 and the second eccentric block 32 rotate reversely and symmetrically at the same time.
Preferably, the driving shaft 41 and the driven shaft 42 are respectively connected with the driving gear 21 and the driven gear 22 through flat keys, and the driving shaft 41 and the driven shaft 42 are respectively connected with the first eccentric block 31 and the second eccentric block 32 through flat keys.
Preferably, the driving shaft 41 is connected with a power device, and the output end of the power device is connected with the driving shaft 41 through a spline. Preferably, the power plant is a hydraulic motor 1. The spline has a large transmission torque and is easy to disassemble, thereby transmitting the power of the hydraulic motor 1 to the driving shaft 41.
Preferably, both ends of the driving shaft 41 and the driven shaft 42 are fixed to the case 7 through bearings 5, respectively. The outer ring of the bearing 5 is arranged on the box body 7, and the inner ring is connected with the shaft and used for reducing the abrasion of the driving shaft 41 and the driven shaft 42 and prolonging the service life.
Preferably, a compaction bottom plate 8 is fixed at the bottom of the box body 7, and the box body 7 and the compaction bottom plate 8 are fixed in a welding mode, so that the problem of faults caused by loosening and breaking of bolts is avoided. According to the vibration strength of the box body 7 and different working places, the compacting bottom plate 8 can be set to be different in size and shape, so that the box body is suitable for working requirements of different places. The box 7 is welded in the central position of the compaction bottom plate 8, so that the box 7 drives the compaction bottom plate 8 to vibrate at high frequency in the up-down direction, and the auxiliary material layer is compacted, so that the compaction acting force is more uniform.
Preferably, referring to fig. 2, an upper cover plate 9 is arranged on the periphery of the box body 7, and the box body 7 is movably connected with the upper cover plate 9. The upper cover plate 9 comprises two side surfaces and a top surface, the two side surfaces and the top surface are of a smoothly connected integrated structure with a trapezoidal section, and the lower ends of the two side surfaces of the upper cover plate 9 are movably connected with the compacting bottom plate 8. A window is arranged on one side surface of the upper cover plate 9, and a protective cover is arranged outside the window. The hydraulic motor 1 is located at this window and is connected to an external high-pressure oil pump. For convenience the utility model discloses a vibration rammer plate is installed on the load wagon, still is equipped with articulated seat on the both sides face of upper cover plate 9, and this articulated seat is used for connecting the connecting piece of vibration rammer.
Preferably, with reference to fig. 2 and 4, inside the upper cover plate 9 there are shock absorbers 6, said shock absorbers 6 being fixed to the tank 7 and to the upper cover plate 9. In the present embodiment, the damper 6 is provided with an elastic member in the middle. The elastic component can be a spring, flanges are connected with two ends of the elastic component, one end of the shock absorber 6 is connected with the box body 7 through one end of the flange, and the other end of the shock absorber is connected with the upper cover plate 9 through the flange. When the box body 7 drives the compaction bottom plate 8 to vibrate up and down and the auxiliary materials are pressed, the box body 7 and the upper cover plate 9 generate relative motion through the stretching or the contraction of the elastic part on the shock absorber 6, and the impact force on the upper cover plate 9 is reduced. When the upper cover plate 9 is connected with the connecting piece of the vibration tamper, the influence on the connecting piece is reduced, and the service life of the vibration tamper plate is prolonged. The damper 6 may be another part for damping vibration.
Preferably, referring to fig. 4, the dampers 6 are symmetrically disposed at both left and right sides of the case 7. In this embodiment, four dampers 6 are provided. The shock absorber 6 is obliquely arranged upwards and used for reducing acting force of the box body 7 on the upper cover plate 9 in the up-down direction and the left-right direction in the vibration process of the vibration ramming plate, increasing the shock absorption effect and ensuring the balance of the stress of the box body 7, thereby protecting the upper cover plate 9 and connecting parts thereof.
During concrete construction, the utility model discloses a biax is to changeing vibrating rammer device can be connected through connecting piece and loader. When the hydraulic motor is in operation, the high-pressure oil pump drives the hydraulic motor 1, the driving shaft 41 drives the driving gear 21 and the first eccentric block 31 to synchronously rotate under the driving of the hydraulic motor 1, the driving gear 41 simultaneously drives the driven gear 42 to reversely rotate, so that the second eccentric block 32 is driven to symmetrically and reversely rotate, the double eccentric shafts synchronously contrarotate and do eccentric motion, vibration is generated, and meanwhile the box body 7 and the compaction bottom plate 8 are driven by the shafts to do vertical vibration to play a role in compaction. The utility model discloses a biax contra-rotating vibratory rammer device vibration frequency is high, simple structure, convenient to use to can reduce operator intensity of labour through the mating reaction with the loader, adopt hydraulic motor 1 drive, need not the power, reduce use cost, be fit for little place, open-air vibration tamping operation, can realize a tractor serves several purposes's function to the loader.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can make several modifications and improvements without departing from the inventive concept, and all shall be covered by the protection scope of the present invention.
Claims (10)
1. A double-shaft counter-rotating vibratory rammer device comprises a box body (7), and is characterized in that a driving shaft (41) and a driven shaft (42) are arranged in the box body (7), the driving shaft (41) and the driven shaft (42) are arranged in parallel, a driving gear (21) and a first eccentric block (31) are arranged on the driving shaft (41), and the driving gear (21) is fixedly connected with the first eccentric block (31); a driven gear (22) and a second eccentric block (32) are arranged on the driven shaft (42), and the driven gear (22) is fixedly connected with the second eccentric block (32); the driving gear (21) and the driven gear (22) are meshed with each other, so that the driving gear (21) drives the driven gear (22) to move oppositely, and the first eccentric block (31) and the second eccentric block (32) can synchronously rotate reversely.
2. The twin-shaft counter-rotating vibratory rammer device according to claim 1, wherein the first eccentric masses (31) are provided on both sides of the drive gear (21), respectively; the second eccentric blocks (32) are respectively arranged on two sides of the driven gear (22).
3. The twin-shaft counter-rotating vibratory ramming device according to claim 1 or 2, characterised in that a breather plug (10) is provided at the top of the tank (7).
4. The twin-shaft counter-rotating vibratory ramming device according to claim 3, characterized in that the driving gear (21) and the driven gear (22) are connected with the first eccentric mass (31) and the second eccentric mass (32) by bolts and/or positioning pins, respectively, so that the driving gear (21) and the driven gear (22) can rotate synchronously with the first eccentric mass (31) and the second eccentric mass (32), respectively.
5. The twin-shaft counter-rotating vibratory ramming apparatus according to claim 1, wherein the driving shaft (41) and the driven shaft (42) are connected to the driving gear (21) and the driven gear (22) by flat keys, respectively.
6. The twin-shaft counter-rotating vibratory ramming device according to claim 1, wherein the drive shaft (41) is connected to a power unit, and an output end of the power unit is splined to the drive shaft (41).
7. The twin-shaft counter-rotating vibratory ramming apparatus according to claim 1, wherein both ends of the driving shaft (41) and the driven shaft (42) are fixed to the casing (7) by bearings (5), respectively.
8. The twin-shaft counter-rotating vibratory ramming apparatus according to claim 1, wherein a compacting floor (8) is fixed to the bottom of the casing (7), and the casing (7) and the compacting floor (8) are fixed by welding.
9. The twin-shaft counter-rotating vibratory ramming device according to claim 1, wherein an upper cover plate (9) is provided around the box body (7), and the box body (7) and the upper cover plate (9) are movably connected.
10. The twin-shaft counter-rotating vibratory ramming device according to claim 9, characterised in that a damper (6) is provided in the upper cover plate (9), the damper (6) being fixed to the box (7) and the upper cover plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921627283.7U CN210797525U (en) | 2019-09-27 | 2019-09-27 | Double-shaft counter-rotating vibrating rammer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921627283.7U CN210797525U (en) | 2019-09-27 | 2019-09-27 | Double-shaft counter-rotating vibrating rammer device |
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| Publication Number | Publication Date |
|---|---|
| CN210797525U true CN210797525U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921627283.7U Active CN210797525U (en) | 2019-09-27 | 2019-09-27 | Double-shaft counter-rotating vibrating rammer device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374854A (en) * | 2021-06-09 | 2021-09-10 | 福建群峰机械有限公司 | Rotating shaft mounting structure of vibration box |
| CN113386243A (en) * | 2021-06-09 | 2021-09-14 | 福建群峰机械有限公司 | Vibrating box |
-
2019
- 2019-09-27 CN CN201921627283.7U patent/CN210797525U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374854A (en) * | 2021-06-09 | 2021-09-10 | 福建群峰机械有限公司 | Rotating shaft mounting structure of vibration box |
| CN113386243A (en) * | 2021-06-09 | 2021-09-14 | 福建群峰机械有限公司 | Vibrating box |
| WO2022257263A1 (en) * | 2021-06-09 | 2022-12-15 | 福建群峰机械有限公司 | Vibration box |
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Effective date of registration: 20210609 Address after: 629000 floor 1, building 3, phase I start-up area, Suining Euro American Industrial Park, 29 Guojun Avenue, Suining economic and Technological Development Zone, Sichuan Province Patentee after: Chenggong heavy industry (Suining) Machinery Co.,Ltd. Patentee after: YANTAI JUXIANG CONSTRUCTION MACHINERY Co.,Ltd. Address before: No. 666, South Fifth Road, Chengdu Economic and Technological Development Zone (Longquanyi District), Chengdu, Sichuan 610100 Patentee before: Chenggong Heavy Industry Machinery Co.,Ltd. Patentee before: YANTAI JUXIANG CONSTRUCTION MACHINERY Co.,Ltd. |