CN116240887B - Bridge construction vibration pile driver - Google Patents
Bridge construction vibration pile driver Download PDFInfo
- Publication number
- CN116240887B CN116240887B CN202310505117.4A CN202310505117A CN116240887B CN 116240887 B CN116240887 B CN 116240887B CN 202310505117 A CN202310505117 A CN 202310505117A CN 116240887 B CN116240887 B CN 116240887B
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- Prior art keywords
- vibrator
- supporting rod
- vibrator shell
- bridge construction
- pile driver
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/18—Placing by vibrating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The application relates to the technical field of vibration pile sinking equipment, and discloses a bridge construction vibration pile sinking machine, which comprises a vibrator shell, wherein a supporting rod penetrating through the upper end and the lower end of the vibrator shell is movably connected inside the vibrator shell, a fixed block is fixedly arranged at the top of the outer surface of the supporting rod, a pile clamping device is fixedly arranged at the bottom end of the supporting rod, a group of excitation springs are movably sleeved at the top of the outer surface of the supporting rod and between the fixed block and the top end of the vibrator shell, and another group of excitation springs are movably sleeved at the bottom of the outer surface of the supporting rod and between the pile clamping device and the bottom end of the vibrator shell. According to the bridge construction vibration pile driver, the supporting rod on the vibrator shell and the linkage structure between the supporting rod and the pile clamping device are arranged, when the eccentric block is triggered, vibration can be generated along the central axis direction of the supporting rod, and therefore vibration energy loss of the high vibration pile driver in the operation process is effectively reduced.
Description
Technical Field
The application relates to the technical field of vibration pile sinking equipment, in particular to a vibration pile sinking machine for bridge construction.
Background
The vibrating pile driver is pile driver machine capable of generating exciting force in the vertical direction of pile body, vibrating the pile body, reducing friction resistance between the pile body and surrounding soil, and penetrating through stratum to sink, and being suitable for pile bodies of different specifications and stratum of different properties by adjusting exciting frequency, amplitude and vibrating force, so that the pile driver machine has wide adaptability;
the vibrating pile driver mainly comprises a hanging bracket, a vibrator, a pile clamping device, a transmission device and the like, and is fixed at the top of a pile body through the pile clamping device during operation, the hanging bracket is used for being lifted into position by a crane or a digging machine, and then the vibrator is started to sink the pile body into a stratum;
however, the existing vibration pile sinking machine is lifted on a crane or a digging machine through a lifting frame, when a vibrator on the vibration pile sinking machine is triggered and acts, a part of vibration force can be transmitted to a cantilever of the crane through a lifting steel wire rope or directly acts on the arm of the digging machine, so that the loss of vibration energy of the vibration pile sinking machine is increased, the stability of the arm of the crane or the digging machine is seriously influenced, the pile body is easily subjected to transverse swing due to the shaking of the arm of the crane or the digging machine, the sunken pile body is further inclined, and huge potential safety hazards are buried for subsequent construction, and the stability and reliability are poor.
Therefore, there is a need for a vibrating pile driver for engineering construction, so as to solve the defects of the conventional vibrating pile driver in the practical use process.
Disclosure of Invention
The application provides a bridge construction vibration pile driver, which has the advantages that the loss of vibration energy in the operation process can be effectively reduced, the stability of a crane or a moment arm of a digging machine is not affected, and the pile body does not swing transversely and incline due to the shaking of the pile body, so that the problem that the sinking pile body inclines due to the shaking of the crane or the moment arm of the digging machine is very easy to occur because part of vibration force is transmitted to a cantilever of the crane through a hoisting steel wire rope or directly acts on the moment arm of the digging machine when the traditional vibration pile driver acts.
In order to achieve the above purpose, the application adopts the following technical scheme: the bridge construction vibration pile driver comprises a vibrator shell, wherein two groups of eccentric blocks are arranged in the vibrator shell, transmission connection is formed between the two groups of eccentric blocks through a gear set arranged on one side of the outer part of the vibrator shell, a transmission shaft with one end extending to the outer part of the vibrator shell is fixedly arranged in the eccentric blocks on the right side, the transmission shaft is in transmission connection with a hydraulic motor fixedly arranged on one side of the top end of the vibrator shell through a transmission belt, a hanging bracket is arranged at the top of the vibrator shell, a group of connecting rods extending to the bottoms of two sides of the vibrator shell are respectively arranged on two sides of the bottom end of the hanging bracket, and movable connection is formed between the vibrator shell and the hanging bracket through the connecting rods;
the inside swing joint of vibrator casing has the bracing piece that runs through its upper and lower both ends, the top fixed mounting of bracing piece surface has the fixed block, and has the pile clamping device at the bottom fixed mounting of bracing piece, the top of bracing piece surface just is located the top of fixed block and vibrator casing and has movably cup jointed a set of excitation spring between, and the bottom of bracing piece surface just is located the pile clamping device and the bottom of vibrator casing is movably cup jointed another set of excitation spring.
Further, when the pile body is suspended in place by a crane or a digger, the hanger and the connecting rod thereon are lowered to a distance such that no contact occurs between the nut on the connecting rod and the vibrator case.
Furthermore, the number of the supporting rods is two, and the supporting rods are respectively positioned at the left side and the right side of the eccentric block, so that the stress uniformity of the exciting springs on the supporting rods is effectively improved.
Further, one side fixed mounting at vibrator shell top has the linkage sleeve to the transfer line that extends to its right side tip has been cup jointed in the activity of one side of linkage sleeve inner chamber, the opposite side activity of linkage sleeve inner chamber has cup jointed reset spring, and forms the transmission through reset spring between transfer line and linkage sleeve inner chamber and be connected, and the stopper fixed connection at vibrator shell top is blocked with the activity to the other end of transfer line, and the stopper is located under the fixed block.
Further, one side of the top end of the linkage sleeve is fixedly provided with an oil way interface extending into the inner cavity of the linkage sleeve, and one side outside the linkage sleeve is provided with a group of connecting pipelines communicated with the inner cavity of the hydraulic motor.
Further, one end of the connecting pipeline is overlapped with one side of the outer surface of the transmission rod in an initial state, and when hydraulic oil is conveyed to the inner cavity of the transmission rod in an extrusion mode through the oil way interface, the triggering sequence between the linkage sleeve and the hydraulic motor is controlled, and further interference phenomenon between the limiting block and the fixed block is effectively avoided.
Further, in the initial state, when the upper group of excitation springs and the lower group of excitation springs of the support rod keep balance, the distance between the bottom end of the fixed block and the top end of the vibrator shell is larger than the height of the limiting block, and further, when the vibrating pile sinking machine is closed, the limiting block is driven to recover to the initial position under the elastic action of the reset spring.
Advantageous effects
1. According to the bridge construction vibration pile driver, the supporting rod on the vibrator shell and the linkage structure between the supporting rod and the pile clamping device are arranged, vibration can be generated along the central axis direction of the supporting rod when the eccentric block is triggered, the vibration influence on the hanging frame is avoided, the vibration is transmitted to the arm of a crane or a digger, further vibration energy loss of the high vibration pile driver in the operation process is effectively reduced, meanwhile, the stability of the arm of the crane or the digger is not affected, and the pile body is prevented from transversely swinging and obliquely sinking due to shaking.
2. According to the bridge construction vibration pile driver, for the arrangement of the linkage sleeve and the upper structure of the linkage sleeve, when the pile body is suspended by the vibration pile driver in the initial stage, the downward displacement of the support rod and the upper fixed block of the support rod can be effectively controlled, the vibration springs at the top of the outer surface of the support rod are protected, fatigue damage or failure caused by overlarge load pressure is prevented, the triggering sequence between the linkage sleeve and the hydraulic motor can be effectively controlled, interference phenomenon between the limiting block and the fixed block is prevented when the eccentric block is triggered, and the stability and reliability of the vibration pile driver in the running process are further effectively improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
The application may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a front cross-sectional view of a vibrator housing of the present application;
FIG. 3 is a front view of the structure of the present application;
FIG. 4 is a side view of the structure of the present application;
fig. 5 is an enlarged schematic view of the structure of the present application at a in fig. 1.
In the figure: 1. a vibrator housing; 2. a hanging bracket; 3. a connecting rod; 4. an eccentric block; 5. a gear set; 6. a transmission shaft; 7. a transmission belt; 8. a hydraulic motor; 9. a support rod; 10. pile clamping device; 11. exciting a spring; 12. a fixed block; 13. a linkage sleeve; 14. a transmission rod; 15. a return spring; 16. a limiting block; 17. an oil path interface; 18. and a connecting pipeline.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 2 and 4, a bridge construction vibration pile sinking machine comprises a vibrator shell 1, wherein two groups of eccentric blocks 4 which are symmetrically arranged are arranged in the vibrator shell 1, a transmission connection is formed between the two groups of eccentric blocks 4 through a gear group 5 arranged on one side of the outer part of the vibrator shell 1, a transmission shaft 6 with one end extending to the outer part of the vibrator shell 1 is fixedly arranged in the right side eccentric block 4, a transmission connection is formed between the transmission shaft 7 and a hydraulic motor 8 fixedly arranged on one side of the top of the vibrator shell 1, the gear group 5 is formed by a pair of gears with the same tooth number, and further when the hydraulic motor 8 is started, under the transmission action of the transmission belt 7, the two groups of eccentric blocks 4 can be synchronously driven to rotate in the same rotation speed and opposite rotation directions;
as shown in fig. 3, the inside of the vibrator housing 1 is movably connected with a supporting rod 9 penetrating through the upper end and the lower end of the supporting rod, a fixing block 12 is fixedly installed at the top of the outer surface of the supporting rod 9, a pile clamping device 10 for clamping a pile body is fixedly installed at the bottom end of the supporting rod 9, a group of exciting springs 11 are movably sleeved between the fixing block 12 and the top end of the vibrator housing 1, and another group of exciting springs 11 are movably sleeved between the bottom of the outer surface of the supporting rod 9 and the bottom end of the pile clamping device 10 and the bottom end of the vibrator housing 1, so that when the vibrator housing 1 generates disturbance force in the vertical direction, exciting force is generated in the central axis direction of the supporting rod 9 through the two groups of exciting springs 11, and the pile body clamped on the pile clamping device 10 at the bottom end of the supporting rod 9 is caused to vibrate.
In the technical scheme, when a pile body is suspended in place by using a crane or a digger, the hanging bracket 2 and the connecting rod 3 on the hanging bracket are lowered to a certain distance, so that the nut on the connecting rod 3 is not contacted with the vibrator shell 1, and further, when the vibrator shell 1 is driven to generate exciting force in the vertical direction under the action of the eccentric block 4, the interference phenomenon can not occur between the nut and the vibrator shell 1, so that the support rod 9 and the pile body on the support rod can generate vibration in the vertical direction under the action of the exciting spring 11.
As shown in fig. 4, in the present technical solution, the number of the supporting rods 9 is set to two groups and are respectively located at the left and right sides of the eccentric block 4, so as to effectively improve the uniformity of stress of the exciting spring 11 on the supporting rods 9, and make the exciting spring generate vibration in the vertical direction, so that the vibrator shell 1 cannot deviate due to uneven stress, and the abrasion to the connecting rod 3 or the supporting rods 9 is aggravated.
As shown in fig. 5, in this technical scheme, a linkage sleeve 13 is fixedly installed on one side of the top end of a vibrator shell 1, and a transmission rod 14 extending to the right end of the linkage sleeve 13 is movably sleeved on one side of the inner cavity of the linkage sleeve 13, a return spring 15 is movably sleeved on the other side of the inner cavity of the linkage sleeve 13, and a transmission connection is formed between the transmission rod 14 and the inner cavity of the linkage sleeve 13 through the return spring 15, when the transmission rod 14 is not stressed, the transmission rod 14 always has a tendency to move to the right side under the elastic force of the return spring 15, the other end of the transmission rod 14 is fixedly connected with a limiting block 16 movably clamped on the top end of the vibrator shell 1, and the limiting block 16 is located under a fixed block 12, so that when a pile body is suspended by the vibrating pile sinking machine in the initial stage, the downward displacement of the support rod 9 and the upper fixed block 12 is controlled, and the vibration springs 11 on the top of the outer surface of the support rod 9 are protected, so that fatigue damage or failure caused by overlarge load pressure is prevented.
In the technical scheme, as shown in fig. 5, one side of the top end of the linkage sleeve 13 is fixedly provided with an oil way interface 17 extending into the inner cavity of the linkage sleeve, and the other end of the oil way interface 17 is communicated with an external hydraulic pump station, as shown in fig. 4, one side of the outer part of the linkage sleeve 13 is provided with a group of connecting pipelines 18 communicated with the inner cavity of the hydraulic motor 8, meanwhile, the inner part of the hydraulic motor 8 is communicated with the external hydraulic pump station, a circulation loop is formed between the linkage sleeve 13 and the hydraulic motor 8, and the triggering of the linkage sleeve 13 and the hydraulic motor 8 is synchronously controlled through the starting of an external hydraulic pump station.
In this technical scheme, the one end of connecting line 18 is in the mutual coincidence of one side of initial state and transfer line 14 surface to when carrying hydraulic oil to the inner chamber extrusion of transfer line 14 through oil circuit interface 17, control the triggering sequence between linkage sleeve 13 and the hydraulic motor 8, and then effectively avoid the interference phenomenon between stopper 16 and the fixed block 12:
the transmission rod 14 can be forced to move leftwards and the return spring 15 can be compressed, so that the limiting block 16 is separated from the bottom of the fixed block 12, and then after the transmission rod 14 moves leftwards to a specific position, the communication connection pipeline 18 triggers the hydraulic motor 8, so that the vibrating pile sinking machine is started and the pile body clamped in the pile clamping device 10 is sunk into the stratum.
In this technical scheme, under initial condition, when two sets of excitation springs 11 keep balanced about bracing piece 9, the distance between fixed block 12 bottom to vibrator casing 1 top is greater than the height of stopper 16, and then ensures when closing this vibration pile sinking machine, under the elasticity effect of reset spring 15, can drive stopper 16 and resume to initial position to be located under the fixed block 12, in order to hang the pile body the next time, form the protection to the excitation spring 11 at bracing piece 9 surface top.
Claims (6)
1. The utility model provides a bridge construction vibration pile driver, includes vibrator casing (1), the inside of vibrator casing (1) is equipped with two sets of eccentric blocks (4) to form the transmission through establishing gear train (5) in vibrator casing (1) outside one side and connect between two sets of eccentric blocks (4), the right side the inside fixed mounting of eccentric blocks (4) has one end to extend to outside transmission shaft (6) of vibrator casing (1), and form the transmission through drive belt (7) with hydraulic motor (8) of fixed mounting in vibrator casing (1) top one side and be connected, its characterized in that:
the top of the vibrator shell (1) is provided with a hanging bracket (2), two sides of the bottom end of the hanging bracket (2) are respectively provided with a group of connecting rods (3) extending to the bottoms of the two sides of the vibrator shell (1), and movable connection is formed between the vibrator shell (1) and the hanging bracket (2) through the connecting rods (3);
the inside of the vibrator shell (1) is movably connected with a supporting rod (9) penetrating through the upper end and the lower end of the vibrator shell, a fixed block (12) is fixedly arranged at the top of the outer surface of the supporting rod (9), a pile clamping device (10) is fixedly arranged at the bottom end of the supporting rod (9), a group of excitation springs (11) are movably sleeved between the top of the outer surface of the supporting rod (9) and the top end of the vibrator shell (1), and another group of excitation springs (11) are movably sleeved between the bottom of the outer surface of the supporting rod (9) and the bottom end of the pile clamping device (10) and the vibrator shell (1);
one side fixed mounting on vibrator shell (1) top has linkage sleeve (13) to one side activity in linkage sleeve (13) inner chamber has cup jointed transfer line (14) that extend to its right side tip, the opposite side activity in linkage sleeve (13) inner chamber has cup jointed reset spring (15), and forms the transmission through reset spring (15) between transfer line (14) and the inner chamber of linkage sleeve (13) and be connected, and the stopper (16) fixed connection on vibrator shell (1) top of the other end and activity joint of transfer line (14), and stopper (16) are located under fixed block (12).
2. A bridge construction vibration pile driver according to claim 1, characterised in that the crane or the excavator is used to suspend the pile in place, the boom (2) and the connecting rod (3) thereon are lowered to a distance such that no contact occurs between the nut on the connecting rod (3) and the vibrator housing (1).
3. The bridge construction vibration pile driver according to claim 2, wherein the number of the supporting rods (9) is two, and the supporting rods are respectively positioned at the left side and the right side of the eccentric block (4), so that the stress uniformity of the exciting springs (11) on the supporting rods (9) is effectively improved.
4. A bridge construction vibration pile driver according to claim 3, wherein the side of the top end of the linkage sleeve (13) is fixedly provided with an oil path interface (17) extending into the inner cavity of the linkage sleeve, and a group of connecting pipelines (18) are arranged on the side outside the linkage sleeve (13) and are communicated with the inner cavity of the hydraulic motor (8).
5. The bridge construction vibration pile driver according to claim 4, wherein one end of the connecting pipeline (18) is overlapped with one side of the outer surface of the transmission rod (14) in an initial state, and when hydraulic oil is conveyed to the inner cavity of the transmission rod (14) in an extrusion mode through the oil way interface (17), the triggering sequence between the linkage sleeve (13) and the hydraulic motor (8) is controlled, and interference phenomenon between the limiting block (16) and the fixed block (12) is further effectively avoided.
6. The bridge construction vibration pile driver according to claim 5, wherein in an initial state, when the upper and lower groups of exciting springs (11) of the supporting rod (9) are kept balanced, the distance from the bottom end of the fixed block (12) to the top end of the vibrator shell (1) is greater than the height of the limiting block (16), so that when the vibration pile driver is closed, the limiting block (16) is driven to be restored to an initial position under the elastic force of the reset spring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310505117.4A CN116240887B (en) | 2023-05-08 | 2023-05-08 | Bridge construction vibration pile driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310505117.4A CN116240887B (en) | 2023-05-08 | 2023-05-08 | Bridge construction vibration pile driver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116240887A CN116240887A (en) | 2023-06-09 |
| CN116240887B true CN116240887B (en) | 2023-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310505117.4A Active CN116240887B (en) | 2023-05-08 | 2023-05-08 | Bridge construction vibration pile driver |
Country Status (1)
| Country | Link |
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| CN (1) | CN116240887B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB870909A (en) * | 1959-04-25 | 1961-06-21 | Mueller Ludwig | Improvements relating to vibratory rammers or pile drivers |
| US3280645A (en) * | 1963-02-05 | 1966-10-25 | Schenck Gmbh Carl | Centrifugal exciter for vibratory power devices |
| GB2095731A (en) * | 1981-03-28 | 1982-10-06 | Schmidt Paul | Apparatus for driving and extracting sheet piles and other members |
| CN2433305Y (en) * | 2000-07-13 | 2001-06-06 | 瑞安市昌盛建筑工程机械厂 | Pile machine vibratory hammer with clamp erection fixture |
| CN2535447Y (en) * | 2002-03-14 | 2003-02-12 | 顺德市永基建筑基础有限公司 | Hydraulic pile-driving machine |
| RU65512U1 (en) * | 2006-05-06 | 2007-08-10 | Открытое акционерное общество "Научно-исследовательский институт транспортного строительства" (ЦНИИС) | HYDRAULIC SHOCK ABSORBER FOR EXTINGUISHING VIBRATION OSCILLATIONS TRANSMITTED FROM THE VIBRATOR |
| CN104831729A (en) * | 2015-05-11 | 2015-08-12 | 创银机械技术(上海)有限公司 | Impact vibration type pile hammer |
| CN210134426U (en) * | 2019-06-06 | 2020-03-10 | 程黎明 | High-frequency vibration hammer applied to steel sheet piling of excavator |
| CN112761151A (en) * | 2021-01-23 | 2021-05-07 | 山东临工工程机械有限公司 | Impact type pile driving mechanism and pile driver thereof |
-
2023
- 2023-05-08 CN CN202310505117.4A patent/CN116240887B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB870909A (en) * | 1959-04-25 | 1961-06-21 | Mueller Ludwig | Improvements relating to vibratory rammers or pile drivers |
| US3280645A (en) * | 1963-02-05 | 1966-10-25 | Schenck Gmbh Carl | Centrifugal exciter for vibratory power devices |
| GB2095731A (en) * | 1981-03-28 | 1982-10-06 | Schmidt Paul | Apparatus for driving and extracting sheet piles and other members |
| CN2433305Y (en) * | 2000-07-13 | 2001-06-06 | 瑞安市昌盛建筑工程机械厂 | Pile machine vibratory hammer with clamp erection fixture |
| CN2535447Y (en) * | 2002-03-14 | 2003-02-12 | 顺德市永基建筑基础有限公司 | Hydraulic pile-driving machine |
| RU65512U1 (en) * | 2006-05-06 | 2007-08-10 | Открытое акционерное общество "Научно-исследовательский институт транспортного строительства" (ЦНИИС) | HYDRAULIC SHOCK ABSORBER FOR EXTINGUISHING VIBRATION OSCILLATIONS TRANSMITTED FROM THE VIBRATOR |
| CN104831729A (en) * | 2015-05-11 | 2015-08-12 | 创银机械技术(上海)有限公司 | Impact vibration type pile hammer |
| CN210134426U (en) * | 2019-06-06 | 2020-03-10 | 程黎明 | High-frequency vibration hammer applied to steel sheet piling of excavator |
| CN112761151A (en) * | 2021-01-23 | 2021-05-07 | 山东临工工程机械有限公司 | Impact type pile driving mechanism and pile driver thereof |
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| Publication number | Publication date |
|---|---|
| CN116240887A (en) | 2023-06-09 |
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