CN215165544U - Hydraulic buffer device for pile driver - Google Patents
Hydraulic buffer device for pile driver Download PDFInfo
- Publication number
- CN215165544U CN215165544U CN202120568818.9U CN202120568818U CN215165544U CN 215165544 U CN215165544 U CN 215165544U CN 202120568818 U CN202120568818 U CN 202120568818U CN 215165544 U CN215165544 U CN 215165544U
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- hydraulic
- buffer
- transmission
- driven shaft
- gear
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- 239000000872 buffer Substances 0.000 title claims abstract description 106
- 230000003139 buffering effect Effects 0.000 claims abstract description 31
- 229920001971 elastomer Polymers 0.000 claims abstract description 5
- 239000000806 elastomer Substances 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 109
- 230000008602 contraction Effects 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims 14
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009414 blockwork Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 description 6
- 238000010009 beating Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model provides a hydraulic buffer device for a pile driver, which comprises a hydraulic device and a guide table, wherein guide inner rails are arranged on two sides inside the guide table, and brake buffer teeth are fixed on the upper sides of the guide inner rails; hydraulic cushion bench upper portion is provided with the blotter, and first magnetic sheet is installed to the blotter lower part, and buffering elastomer is installed to first magnetic sheet lower part, and buffering elastomer lower part is provided with the second magnetic sheet, and spring buffer module has been arranged to second magnetic sheet bottom. When the hydraulic impact slide block reaches the bottom of an impact point, the hydraulic impact slide block is buffered for the first time through the first magnetic sheet, the spring buffer module is used for buffering the hydraulic impact slide block for the second time, and when the hydraulic impact slide block works up and down, the friction force between the hydraulic impact slide block and the spring buffer module is increased through the buffer gear to buffer in real time, so that the effect of full buffering is realized; when the hydraulic pile driver works abnormally, the buffer driving motor rotates the buffer gear in the direction opposite to the moving direction of the hydraulic impact slide block, so that the effect of emergency braking and buffering of the hydraulic pile driver is achieved.
Description
Technical Field
The utility model belongs to a hydraulic buffer technical field especially relates to a hydraulic buffer for pile driver.
Background
The pile driver is a piling machine which utilizes impact force to drive a pile into the stratum and consists of a pile hammer, a pile frame, accessory equipment and the like. The pile hammer is attached between two parallel vertical guide rods at the front part of the pile frame and is hoisted by a hoisting hook. The pile frame is a steel structure tower frame, and a winch is arranged at the rear part of the pile frame and used for hoisting the pile and the pile hammer. The front of the pile frame is provided with a guide frame consisting of two guide rods for controlling the piling direction so that the pile can accurately penetrate into the stratum according to the designed direction.
The hydraulic pile driver reciprocates under the action of the hydraulic oil cylinder so as to pile the pile body. During piling operation, a buffer device needs to be arranged below the impact device of the hydraulic pile driver for protection because strong impact force is easy to damage the pile driver.
Patent publication No. CN208996039U provides a pile driver buffer of building site, and this buffer just carries out simple shock attenuation to beating the stake machine through the setting of spring, can not be abundant carry out the buffering operation to beating the stake machine, do not have corresponding structure setting to the emergency braking buffering moreover.
Therefore, the invention is necessary to provide a buffering device which has a good buffering effect and can perform emergency braking buffering according to the buffering requirement of the hydraulic pile driver.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a but buffer of effectual, emergency braking buffering of buffering device. The hydraulic buffer device comprises a hydraulic device and a guide table arranged at the front part of the hydraulic device, wherein the hydraulic buffer table is fixedly arranged at the bottom of the guide table, the guide table is fixedly arranged at the front part of the hydraulic device, guide inner rails are arranged at two sides in the guide table, and braking buffer teeth are fixedly arranged at the upper sides of the guide inner rails; the hydraulic buffer table is characterized in that a buffer pad is fixedly arranged on the upper portion of the hydraulic buffer table, a first magnetic sheet is installed on the lower portion of the buffer pad, a buffer elastic body is installed on the lower portion of the first magnetic sheet, a second magnetic sheet is fixedly arranged on the lower portion of the buffer elastic body, and a spring buffer module is fixedly arranged at the bottom of the second magnetic sheet.
Preferably, the inner side of the guide table is slidably connected with a hydraulic impact sliding block; a buffer driving motor is arranged in the hydraulic impact sliding block; the front part of the hydraulic impact sliding block is fixedly connected with a connector; the bottom of the connector is fixedly provided with an impact head; and a fixing frame is fixedly arranged on the front side of the bottom of the guide table.
Preferably, the spring buffer module comprises a spring contraction chamber, a buffer spring, a stress plate and a vertical strut; the bottom of the spring buffer module is fixedly provided with a plurality of spring contraction chambers; a buffer spring is arranged in the spring contraction chamber; the upper part of the buffer spring is fixedly connected with a vertical strut; and a stress plate is fixedly arranged at the bottom of the vertical strut.
Preferably, the hydraulic impact slide block comprises a hydraulic buffer slide block and a controller; hydraulic buffer sliding blocks are fixedly arranged on two sides of the hydraulic impact sliding block; and a controller is arranged in the hydraulic impact sliding block.
Preferably, the buffer driving motor comprises a driving transmission shaft, a driving transmission helical gear, a first driven shaft, a second driven transmission helical gear, a third driven transmission helical gear, a second driven shaft, a third driven shaft and a fourth driven shaft;
the front part of the buffer driving motor is connected with a driving transmission shaft; the front part of the driving transmission shaft is fixedly provided with driving transmission helical teeth; the two sides of the driving transmission helical teeth are engaged with first driven transmission helical teeth; the rear part of the first driven transmission helical gear is fixedly connected with a first driven shaft; a second driven transmission helical gear is fixedly arranged at the front part of the first driven shaft; the front part of the second driven transmission helical tooth is engaged with a third driven transmission helical tooth; the third driven transmission helical gear is fixedly arranged on the upper part of the second driven shaft; a third driven shaft is arranged at the upper part of the second driven shaft; and a fourth driven shaft is arranged at the upper part of the third driven shaft.
Preferably, the second driven shaft comprises a first transmission gear, a first buffer gear and a first transmission chain; a first transmission gear is fixedly arranged at the upper part of the second driven shaft; first buffer gears are fixedly arranged on two sides of the second driven shaft; and a first transmission chain is meshed with the upper side of the first transmission gear.
Preferably, the third driven shaft comprises a second transmission gear, a second buffer gear and a second transmission chain; a second transmission gear is fixedly arranged at the upper part of the third driven shaft; two ends of the third driven shaft are fixedly connected with second buffer gears; and a second transmission chain is meshed with the upper side of the second transmission gear.
Preferably, the fourth driven shaft comprises a third transmission gear and a third buffer gear; a third transmission gear is fixedly arranged at the upper part of the fourth driven shaft; and both ends of the fourth driven shaft are fixedly connected with third buffer gears.
Preferably, the upper side of the first transmission chain is meshed with the second transmission gear; the lower side of the first transmission chain is meshed with the first transmission gear.
Preferably, the upper side of the second transmission chain is meshed with a third transmission gear; and the lower side of the second transmission chain is in meshed connection with the second buffer gear.
Compared with the prior art, the beneficial effects of the utility model are that:
1. fully buffering: the utility model discloses in, when the hydraulic shock slider when strikeing some bottoms, carry out the magnetism buffering to the hydraulic shock slider through the inside first magnetic sheet of hydraulic buffer platform, spring buffer module carries out the secondary compression buffering to it after that, when the hydraulic shock slider was worked from top to bottom, increase through the buffering gear of its both sides and have the frictional force of braking buffering tooth to cushion in real time to this realizes the abundant buffering to hydraulic pile driver.
2. Emergency braking and buffering: the utility model discloses in, when hydraulic pile driver unusual operation, the buffering driving motor operation is to strikeing slider moving direction opposite's direction rotation buffer gear with hydraulic pressure to this emergency braking hydraulic pressure strikes the slider, cushions hydraulic pile driver emergency braking.
3. Automation: the utility model discloses in, through the operation of hydraulic shock slider internally mounted's controller control buffering driving motor, the automatic emergency braking buffering operation that carries on.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a schematic structural view of the hydraulic buffer table of the present invention.
Fig. 4 is a schematic diagram of the internal structure of the present invention.
Fig. 5 is a front view of the internal structure of the present invention.
Fig. 6 is a schematic view of the transmission structure of the buffering mechanism of the present invention.
Fig. 7 is a front view of the damper mechanism of the present invention.
In the figure:
1. a hydraulic device; 2. a guide table; 3. a hydraulic buffer table; 4. a hydraulic impact slide block; 5. a buffer drive motor; 6. a connector; 7. an impact head; 8. a fixed mount; 21. guiding the inner rail; 22. braking the buffer teeth; 31. a cushion pad; 32. a first magnetic sheet; 33. a cushioning elastomer; 34. a second magnetic sheet; 35. a spring buffer module; 351. a spring retraction chamber; 352. a buffer spring; 353. a stress plate; 354. a vertical pillar; 41. a hydraulic buffer slide block; 42. a controller; 51. a drive transmission shaft; 52. the driving transmission helical teeth; 53. a first driven transmission helical gear; 54. a first driven shaft; 55. a second driven transmission helical gear; 56. a third driven transmission helical gear; 57. a second driven shaft; 58. a third driven shaft; 59. a fourth driven shaft; 571. a first drive gear; 572. a first buffer gear; 573. a first drive chain; 581. a second transmission gear; 582. a second buffer gear; 583. a second drive chain; 591. a third transmission gear; 592. and a third buffer gear.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in fig. 1 to 7, the utility model provides a hydraulic buffer device for a pile driver, which comprises a hydraulic device 1 and a guide table 2 arranged at the front part of the hydraulic device 1, wherein a hydraulic buffer table 3 is fixedly arranged at the bottom of the guide table 2, the guide table 2 is fixedly arranged at the front part of the hydraulic device 1, guide inner rails 21 are arranged at two sides inside the guide table 2, and braking buffer teeth 22 are fixedly arranged at the upper sides of the guide inner rails 21; the hydraulic buffer table 3 is characterized in that a buffer cushion 31 is fixedly arranged on the upper portion of the buffer cushion 31, a first magnetic sheet 32 is arranged on the lower portion of the buffer cushion 31, a buffer elastic body 33 is arranged on the lower portion of the first magnetic sheet 32, a second magnetic sheet 34 is fixedly arranged on the lower portion of the buffer elastic body 33, and a spring buffer module 35 is fixedly arranged at the bottom of the second magnetic sheet 34.
As shown in fig. 1 to fig. 6, in the above embodiment, specifically, the hydraulic impact slide block 4 is slidably connected to the inner side of the guide table 2; a buffer driving motor 5 is arranged in the hydraulic impact sliding block 4; the front part of the hydraulic impact sliding block 4 is fixedly connected with a connector 6; the bottom of the connecting head 6 is fixedly provided with an impact head 7; and a fixing frame 8 is fixedly arranged at the front side of the bottom of the guide table 2.
As shown in fig. 3, in the above embodiment, specifically, the spring buffer module 35 includes a spring contraction chamber 351, a buffer spring 352, a force-bearing plate 353, and a vertical strut 354; a plurality of spring contraction chambers 351 are fixedly arranged at the bottom of the spring buffer module 35; a buffer spring 352 is arranged in the spring contraction chamber 351; the upper part of the buffer spring 352 is fixedly connected with a vertical strut 354; the bottom of the vertical strut 354 is fixedly provided with a stress plate 353.
As shown in fig. 1 to fig. 2, in the above embodiment, specifically, the hydraulic impact slide 4 includes a hydraulic cushion slide 41 and a controller 42; hydraulic buffer sliding blocks 41 are fixedly arranged on two sides of the hydraulic impact sliding block 4; the hydraulic impact slide 4 is internally provided with a controller 42.
As shown in fig. 4 to fig. 5, in the above embodiment, specifically, the buffer driving motor 5 includes a driving transmission shaft 51, a driving transmission helical tooth 52, a first driven transmission helical tooth 53, a first driven shaft 54, a second driven transmission helical tooth 55, a third driven transmission helical tooth 56, a second driven shaft 57, a third driven shaft 58, and a fourth driven shaft 59;
the front part of the buffer driving motor 5 is connected with a driving transmission shaft 51; the front part of the driving transmission shaft 51 is fixedly provided with driving transmission helical teeth 52; the two sides of the driving transmission helical teeth 52 are engaged with first driven transmission helical teeth 53; a first driven shaft 54 is fixedly connected to the rear part of the first driven transmission helical gear 53; a second driven transmission helical tooth 55 is fixedly arranged at the front part of the first driven shaft 54; the front part of the second driven transmission helical tooth 55 is engaged with a third driven transmission helical tooth 56; the third driven transmission helical tooth 56 is fixedly arranged on the upper part of a second driven shaft 57; a third driven shaft 58 is arranged at the upper part of the second driven shaft 57; a fourth driven shaft 59 is mounted on the upper part of the third driven shaft 58.
As shown in fig. 6 to 7, in the above embodiment, specifically, the second driven shaft 57 includes a first transmission gear 571, a first buffer gear 572, and a first transmission chain 573; a first transmission gear 571 is fixedly arranged at the upper part of the second driven shaft 57; a first buffer gear 572 is fixedly arranged on two sides of the second driven shaft 57; a first transmission chain 573 is engaged with the upper side of the first transmission gear 571.
In the above embodiment, specifically, the third driven shaft 58 includes a second transmission gear 581, a second buffer gear 582, and a second transmission chain 583; a second transmission gear 581 is fixedly arranged at the upper part of the third driven shaft 58; a second buffer gear 582 is fixedly connected with two ends of the third driven shaft 58; a second transmission chain 583 is engaged with the upper side of the second transmission gear 581.
In the above embodiment, specifically, the fourth driven shaft 59 includes a third transmission gear 591 and a third buffer gear 592; a third transmission gear 591 is fixedly arranged at the upper part of the fourth driven shaft 59; the two ends of the fourth driven shaft 59 are fixedly connected with a third buffer gear 592.
In the above embodiment, specifically, the upper side of the first transmission chain 573 is engaged with the second transmission gear 581; the lower side of the first transmission chain 573 is engaged with the first transmission gear 571.
In the above embodiment, specifically, the upper side of the second transmission chain 583 is engaged with the third transmission gear 591; the lower side of the second transmission chain 583 is in meshed connection with the second buffer gear 582.
Principle of operation
The utility model discloses when using, hydraulic shock slider 4 slides from top to bottom along guide table 2 under hydraulic means 1's drive, and impact head 7 through connector 6 drive fixed connection with it strikes the pile body and carries out the pile operation.
When piling operation is carried out, when the hydraulic impact slide block 4 impacts the bottommost part of the guide table 2, the hydraulic buffer table 3 buffers the hydraulic impact slide block 4, the upper part and the lower part of the buffer elastic body 33 inside the hydraulic impact slide block are wound with coils in opposite directions, the coils are electrified to generate magnetic fields to magnetize the first magnetic sheet 32 and the second magnetic sheet 34, according to the principle that like magnetic poles repel each other, the first magnetic sheet 32 and the second magnetic sheet 34 generate mutually repulsive electromagnetic force, the first magnetic sheet 32 is upwards suspended under the action of repulsive electromagnetic force, when the hydraulic impact slide block 4 impacts the buffer cushion 31, the suspended first magnetic sheet 32 carries out first buffering on the hydraulic impact slide block 4, and then the buffer spring 352 arranged inside the spring buffer module 35 carries out second buffering.
When the hydraulic impact slider 4 slides vertically through the hydraulic cushion slider 41 to perform pile driving in the guide table 2, the first cushion gear 572, the second cushion gear 582, and the third cushion gear 592 provided on both sides of the hydraulic cushion slider 41 are engaged with the brake cushion teeth 22 fixedly installed on the upper side of the guide inner rail 21 to increase a sliding friction force therebetween, thereby playing a role of cushioning the hydraulic pile driver. When the hydraulic pile driver is abnormally operated, the controller 42 installed inside the hydraulic impact slider 4 controls the first buffer gear 572, the second buffer gear 582, and the third buffer gear 592 to rotate in a direction opposite to the moving direction of the hydraulic impact slider 4, thereby urgently braking the hydraulic impact slider 4 and buffering the hydraulic pile driver.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (10)
1. A hydraulic buffer device for a pile driver comprises a hydraulic device (1) and a guide platform (2) arranged at the front part of the hydraulic device (1), wherein the hydraulic buffer platform (3) is fixedly arranged at the bottom of the guide platform (2), and is characterized in that:
a guide table (2) is fixedly arranged at the front part of the hydraulic device (1), guide inner rails (21) are arranged at two sides in the guide table (2), and braking buffer teeth (22) are fixedly arranged at the upper side of each guide inner rail (21);
hydraulic cushion table (3) upper portion fixed be provided with blotter (31), blotter (31) lower part install first magnetic sheet (32), first magnetic sheet (32) lower part install buffering elastomer (33), buffering elastomer (33) lower part fixed be provided with second magnetic sheet (34), second magnetic sheet (34) bottom fixed arrangement spring buffer module (35).
2. A hydraulic damping device for pile drivers according to claim 1, characterised in that inside the guide table (2) there is slidingly connected a hydraulic impact slide (4); a buffer driving motor (5) is arranged in the hydraulic impact sliding block (4); the front part of the hydraulic impact sliding block (4) is fixedly connected with a connector (6); the bottom of the connector (6) is fixedly provided with an impact head (7); the front side of the bottom of the guide table (2) is fixedly provided with a fixed frame (8).
3. A hydraulic damping arrangement for a pile driver as set forth in claim 1, characterized in that the spring damping module (35) comprises a spring contraction chamber (351), a damping spring (352), a force plate (353), a vertical strut (354); the bottom of the spring buffer module (35) is fixedly provided with a plurality of spring contraction chambers (351); a buffer spring (352) is arranged in the spring contraction chamber (351); the upper part of the buffer spring (352) is fixedly connected with a vertical strut (354); and a stress plate (353) is fixedly arranged at the bottom of the vertical strut (354).
4. A hydraulic damping device for pile drivers according to claim 2, characterised in that the hydraulic impact slide (4) comprises a hydraulic damping slide (41), a controller (42); hydraulic buffer sliding blocks (41) are fixedly arranged on two sides of the hydraulic impact sliding block (4); and a controller (42) is arranged in the hydraulic impact sliding block (4).
5. A hydraulic damping device for pile drivers according to claim 2, characterised in that the damping drive motor (5) comprises a driving transmission shaft (51), a driving transmission helical tooth (52), a first driven transmission helical tooth (53), a first driven shaft (54), a second driven transmission helical tooth (55), a third driven transmission helical tooth (56), a second driven shaft (57), a third driven shaft (58), a fourth driven shaft (59);
the front part of the buffer driving motor (5) is connected with a driving transmission shaft (51); the front part of the driving transmission shaft (51) is fixedly provided with driving transmission helical teeth (52); two sides of the driving transmission helical teeth (52) are engaged with first driven transmission helical teeth (53); a first driven shaft (54) is fixedly connected to the rear part of the first driven transmission helical tooth (53); a second driven transmission helical tooth (55) is fixedly arranged at the front part of the first driven shaft (54); the front part of the second driven transmission helical tooth (55) is engaged with a third driven transmission helical tooth (56); the third driven transmission helical teeth (56) are fixedly arranged on the upper part of a second driven shaft (57); a third driven shaft (58) is arranged at the upper part of the second driven shaft (57); and a fourth driven shaft (59) is arranged at the upper part of the third driven shaft (58).
6. A hydraulic damping device for a pile driver as set forth in claim 5, characterized in that the second driven shaft (57) comprises a first transmission gear (571), a first damping gear (572), a first transmission chain (573); a first transmission gear (571) is fixedly arranged at the upper part of the second driven shaft (57); a first buffer gear (572) is fixedly arranged on two sides of the second driven shaft (57); a first transmission chain (573) is meshed with the upper side of the first transmission gear (571).
7. A hydraulic damping device for pile drivers according to claim 5, characterised in that said third driven shaft (58) comprises a second transmission gear (581), a second damping gear (582), a second transmission chain (583); a second transmission gear (581) is fixedly arranged at the upper part of the third driven shaft (58); two ends of the third driven shaft (58) are fixedly connected with a second buffer gear (582); a second transmission chain (583) is meshed with the upper side of the second transmission gear (581).
8. A hydraulic damping arrangement for a pile driver as set forth in claim 5, characterized in that the fourth driven shaft (59) comprises a third transmission gear (591), a third damping gear (592); a third transmission gear (591) is fixedly arranged at the upper part of the fourth driven shaft (59); and both ends of the fourth driven shaft (59) are fixedly connected with a third buffer gear (592).
9. The hydraulic buffering device for pile driver as recited in claim 6, characterized in that the upper side of the first transmission chain (573) is engaged with the second transmission gear (581); the lower side of the first transmission chain (573) is meshed and connected with the first transmission gear (571).
10. The hydraulic buffering device for the pile driver as recited in claim 7, characterized in that the upper side of the second transmission chain (583) is engaged with the third transmission gear (591); the lower side of the second transmission chain (583) is in meshed connection with a second buffer gear (582).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120568818.9U CN215165544U (en) | 2021-03-19 | 2021-03-19 | Hydraulic buffer device for pile driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120568818.9U CN215165544U (en) | 2021-03-19 | 2021-03-19 | Hydraulic buffer device for pile driver |
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| Publication Number | Publication Date |
|---|---|
| CN215165544U true CN215165544U (en) | 2021-12-14 |
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ID=79351770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120568818.9U Active CN215165544U (en) | 2021-03-19 | 2021-03-19 | Hydraulic buffer device for pile driver |
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| Country | Link |
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| CN (1) | CN215165544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102727532B1 (en) * | 2023-11-28 | 2024-11-07 | 주식회사 반석테크 | A hammer for a pile driver operated by a solenoid structure |
-
2021
- 2021-03-19 CN CN202120568818.9U patent/CN215165544U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102727532B1 (en) * | 2023-11-28 | 2024-11-07 | 주식회사 반석테크 | A hammer for a pile driver operated by a solenoid structure |
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