CN114965689A - Automatic vibration hammer for side-hole transmission wave method pile foundation detection - Google Patents
Automatic vibration hammer for side-hole transmission wave method pile foundation detection Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
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Abstract
The invention belongs to the technical field of building detection, and particularly relates to an automatic vibration-exciting hammer for side-hole transmission wave method pile foundation detection. The invention comprises a vibration exciter hammer fixing seat main body, wherein a vibration exciter capable of linearly reciprocating along the vertical direction is arranged in the vibration exciter hammer fixing seat main body. The self-driven lifting support block assembly, the detachable support plate connecting part and the vibration exciting hammer are arranged, so that stable high-energy seismic waves can be generated during measurement, meanwhile, in order to meet the requirements of different pile types and detected conditions, the vibration exciting hammer can adjust the vibration exciting energy and the wavelength of the seismic waves by adjusting the size, the weight, the material and the length of a screw, and a side hole transmission wave measuring method is adopted to achieve the best detection effect.
Description
Technical Field
The invention belongs to the technical field of building detection, and relates to an automatic vibration hammer for pile foundation detection by a side-hole transmission wave method.
Background
With the rapid development of economic construction, high buildings and mansions are continuously emerged, pile foundation engineering is developed unprecedentedly, and a pile foundation is the most widely applied foundation form at present. Because the construction of the pile foundation engineering has high concealment, the quality problem is relatively difficult to find, and the quality accidents in the industrial and civil buildings are caused by the quality problem of the pile foundation engineering. However, in the engineering construction, contradiction disputes are often caused by doubts about the length or integrity of foundation piles under the existing building (structure), or the foundation piles under the existing building need to be detected due to the fact that the existing building is long in age, important data such as pile length is lacked in the subsequent reconstruction engineering, and the pile foundations are damaged later due to the fact that ground subsidence, earthquakes and other reasons occur, but the upper building structure cannot directly contact the pile tops at the moment, so that the conventional foundation pile detection method cannot be used.
Therefore, the research on the automatic vibration hammer for the side-hole transmission wave method provides the applicability, the correctness and the convenience of the side-hole transmission wave method foundation pile detection, has great practical significance for objectively and accurately evaluating the engineering quality, solving the contradiction dispute in the engineering construction, perfecting the existing building quality evaluation or critical building safety identification index system and the like, and also certainly promotes the further development of the building foundation pile detection technology.
In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a chinese patent discloses a drop hammer excitation device for rayleigh wave nondestructive testing [ application number: 202120399478.1], comprising: the edge of the backing plate is vertically fixed with a support rod; the top plate is fixed at one end of the supporting rod, which is far away from the base plate; a first through hole is formed in the middle of the top plate; the connecting rod penetrates through the first through hole; and one end of the connecting rod, which is close to the base plate, is in threaded connection with a drop hammer. However, in the measurement process of the scheme, the method is not suitable for the operation environment of the existing building foundation detection, and the size, weight, material and screw length of the vibration hammer are difficult to adjust to realize the adjustment of the vibration energy and the wavelength of seismic waves, and the defects of difficult disassembly and inconvenient transportation exist.
Disclosure of Invention
The invention aims to solve the problems and provides an automatic vibration hammer for detecting a pile foundation by a side-hole transmission wave method.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an automatic exciting vibration hammer for side hole transmission wave method pile foundation detects, includes exciting vibration hammer fixing base main part, exciting vibration hammer fixing base main part in be equipped with the exciting vibration hammer that can follow vertical direction reciprocating linear motion, exciting vibration hammer top be equipped with the removable layer board connecting portion of exciting vibration hammer looks spiro union connection, exciting vibration hammer fixing base main part in still be equipped with removable layer board connecting portion looks butt complex from drive lift tray subassembly, self-drive lift tray subassembly and exciting vibration hammer crisscross setting.
In foretell an automatic exciting vibration hammer that is used for side hole transmission wave method pile foundation to detect, self-driven lift tray subassembly including set up the lift tray in exciting vibration hammer fixing base main part, lift tray and removable layer board connecting portion looks butt cooperation, lift tray and exciting vibration hammer crisscross setting, exciting vibration hammer rear be equipped with the tray driving piece, the tray driving piece link to each other with the lift tray.
In the automatic shock hammer for detecting the side-hole transmission wave method pile foundation, the detachable supporting plate connecting part comprises an upper supporting plate and a lower supporting plate which are arranged above the shock hammer, the upper supporting plate and the lower supporting plate are respectively connected with the shock hammer through threaded parts, the lifting supporting block is in butt fit with the upper supporting plate, and the lifting supporting block and the lower supporting plate are arranged in a staggered mode.
In the foretell automatic exciting vibration hammer that is used for other hole transmission wave method pile foundation to detect, spiro union portion including setting up the screw rod between upper plate and bottom plate, the screw rod run through in proper order through upper plate and bottom plate and screw rod bottom and exciting vibration hammer looks spiro union cooperation, upper plate and screw rod between fix mutually through the nut, nut and upper plate between be equipped with spring washer, bottom plate and screw rod between fix mutually through the nut, nut and bottom plate between be equipped with spring washer.
In the automatic exciting hammer for side-hole transmission wave method pile foundation detection, a plurality of guide rods which are symmetrical along the center line of the exciting hammer fixing seat main body are arranged in the exciting hammer fixing seat main body, the guide rods sequentially penetrate through the upper support plate and the lower support plate, the upper support plate and the lower support plate are respectively in sliding fit with the guide rods, and the guide rods and the exciting hammers are arranged in a staggered mode.
In the automatic exciting hammer for detecting the side-hole transmission wave method pile foundation, a plurality of righting rods which are symmetrical along the central line of the exciting hammer fixing seat main body are arranged between the exciting hammer and the supporting block driving piece, the lifting supporting block is in sliding fit with the righting rods, and the central line of the righting rods is parallel to the central line of the guide rod.
In foretell an automatic exciting vibration hammer that is used for side hole transmission wave method pile foundation to detect, the tray driving piece including set up last gear and the lower gear in exciting vibration hammer fixing base main part, last gear and lower gear link to each other through the gear bracket respectively with exciting vibration hammer fixing base main part between, last gear and lower gear around being equipped with the fixed chain of tray, lift tray and the fixed chain fixed connection of tray.
In the automatic exciting hammer for detecting the side-hole transmission wave method pile foundation, a speed reducing motor is arranged in the exciting hammer fixing seat main body, a driving gear is connected to a rotating shaft of the speed reducing motor, a transmission gear connected through a transmission shaft is arranged on the upper gear, the transmission gear is in transmission fit with the driving gear through a chain, and a speed regulator is further arranged on the speed reducing motor.
In foretell an automatic exciting vibration hammer that is used for side hole transmission wave method pile foundation to detect, exciting vibration hammer fixing base main part in be equipped with back timber, joist and floorbar, the crisscross setting of joist and exciting vibration hammer, the floorbar bottom be equipped with expansion bolts fixed base, the back timber top be equipped with rings.
In the automatic exciting hammer for detecting the side-hole transmission wave method pile foundation, a plurality of armrest seats are arranged on two sides of the exciting hammer fixing seat main body, and a plurality of rotatable mute pulleys are arranged on the back of the exciting hammer fixing seat main body.
Compared with the prior art, the invention has the advantages that:
1. the self-driven lifting support block assembly, the detachable support plate connecting part and the exciting hammer are arranged, during measurement, the exciting hammer is lifted to the highest point, then the self-driven lifting support block assembly is separated from the detachable support plate connecting part, so that the detachable support plate connecting part and the exciting hammer freely fall along the vertical direction to generate stable high-energy seismic waves, meanwhile, in order to meet the requirements of different pile types and detected conditions, the exciting hammer can adjust the vibration energy and the wavelength of the seismic waves by adjusting the size, the weight, the material and the length of a screw, and adopts a side-hole transmission wave measurement method to achieve the best detection effect.
2. In the lifting process of the lifting support block, the lifting support block is in sliding fit with the righting rod, so that when the lifting support block drives the upper supporting plate and the exciting hammer to lift, the lifting support block cannot deviate and topple over at an angle, the lifting support block is always kept in a horizontal abutting state until the lifting support block is separated from the lifting support block, and the stability is good.
3. In the process of lifting the exciting hammer, the upper supporting plate and the lower supporting plate are respectively in sliding fit with the guide rods, so that the upper supporting plate, the lower supporting plate and the exciting hammer are limited in the vertical direction, the exciting hammer is prevented from shaking and deviating in the free falling process, the vertical motion direction of the exciting hammer is restrained, the transmission direction of exciting energy is fixed, and the measuring accuracy is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic diagram of a state in which the exciting hammer is raised.
Fig. 3 is a schematic diagram of a drop-off state of the exciting hammer.
Fig. 4 is a top view of the present invention.
In the figure: the device comprises an exciting hammer fixing seat main body 1, an exciting hammer 2, a detachable supporting plate connecting part 3, a self-driven lifting supporting block assembly 4, a lifting supporting block 5, a supporting block driving part 6, an upper supporting plate 7, a lower supporting plate 8, a screwed part 9, a screw 99, a nut 10, a spring gasket 11, a guide rod 12, a righting rod 13, an upper gear 14, a lower gear 15, a gear bracket 16, a supporting block fixing chain 17, a speed reducing motor 18, a driving gear 19, a transmission gear 20, a top beam 21, a supporting beam 22, a bottom beam 23, an expansion bolt fixing base 24, a hanging ring 25, a handrail seat 26 and a mute pulley 27.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, an automatic exciting hammer for side-hole transmission wave method pile foundation detection comprises an exciting hammer fixing seat main body 1, wherein an exciting hammer 2 capable of reciprocating linear motion along a vertical direction is arranged in the exciting hammer fixing seat main body 1, a detachable support plate connecting portion 3 connected with the exciting hammer 2 in a threaded mode is arranged above the exciting hammer 2, a self-driven lifting support block assembly 4 matched with the detachable support plate connecting portion 3 in an abutting mode is further arranged in the exciting hammer fixing seat main body 1, and the self-driven lifting support block assembly 4 and the exciting hammer 2 are arranged in a staggered mode.
In the embodiment, in the using process, after the exciting hammer fixing seat main body 1 is placed at a position to be measured, the exciting hammer fixing seat main body 1 is fixed with the ground, the self-driven lifting supporting block assembly 4 is started, the self-driven lifting supporting block assembly 4 firstly ascends to drive the detachable supporting plate connecting part 3 to ascend so as to synchronously lift the exciting hammer 2, after the exciting hammer is lifted to the highest point, the self-driven lifting supporting block assembly 4 is separated from the detachable supporting plate connecting part 3 so that the detachable supporting plate connecting part 3 and the exciting hammer 2 freely fall along the vertical direction to generate stable high-energy seismic waves, meanwhile, in order to meet the requirements of different pile types and detected conditions, the bottom of the exciting hammer is in an arc shape, the exciting hammer can adjust the striking vibration energy and the wavelength of the seismic waves by adjusting the size, the weight, the material and the length of a screw rod, a side hole transmission wave measuring method is adopted, the device has the advantages of achieving the best detection effect, being novel in structure, small in size, light in weight, detachable, convenient to transport, reliable to use, free of manual knocking measurement, high in automation degree and particularly suitable for the operation environment of foundation detection of the existing building.
As shown in fig. 1-4, the self-driven lifting support block assembly 4 includes a lifting support block 5 disposed in the shock hammer fixing seat body 1, the lifting support block 5 is in abutting fit with the detachable support plate connecting portion 3, the lifting support block 5 and the shock hammer 2 are disposed in a staggered manner, a support block driving member 6 is disposed behind the shock hammer 2, and the support block driving member 6 is connected with the lifting support block 5.
Specifically, in the using process, the supporting block driving piece 6 is started, the lifting supporting block 5 is driven by the supporting block driving piece 6 to firstly ascend to drive the detachable supporting plate connecting part 3 to ascend, so that the vibration hammer 2 is synchronously lifted, after the lifting supporting block is lifted to the highest point, the lifting supporting block 5 is separated from the detachable supporting plate connecting part 3, so that the detachable supporting plate connecting part 3 and the vibration hammer 2 freely fall along the vertical direction to generate stable high-energy seismic waves, and meanwhile, in order to meet the requirements of different pile types and detected conditions, the vibration hammer can adjust the vibration energy and the wavelength of the seismic waves by adjusting the size, the weight, the material and the length of a screw rod, a side-hole transmission wave measuring method is adopted to achieve the optimal detection effect, the vibration hammer is novel in structure, small in size, light in weight, detachable, convenient to transport, reliable to use, free of manual knock measurement, and high in automation degree, the lifting support block 5 and the vibration exciter 2 are arranged in a staggered mode, and the lifting support block 5 cannot collide with the vibration exciter 2 in the lifting process.
As shown in fig. 1 and 2, the detachable pallet connecting portion 3 includes an upper pallet 7 and a lower pallet 8 disposed above the vibration exciter hammer 2, the upper pallet 7 and the lower pallet 8 are respectively connected to the vibration exciter hammer 2 through a screw portion 9, the lifting support blocks 5 are in butt fit with the upper pallet 7, and the lifting support blocks 5 and the lower pallet 8 are staggered.
In this embodiment, the upper supporting plate 7, the lower supporting plate 8 and the vibration hammer 2 are fixedly connected through the screw connection portion 9, a detachable structure is adopted, so that a worker can adjust the size, weight, material and screw length of the vibration hammer 2 according to different needs to achieve the best detection effect, wherein the front-back length of the lower supporting plate 8 is smaller than the front-back length of the upper supporting plate 7, so that the lifting supporting block 5 cannot abut against the lower supporting plate 8, when the lifting supporting block 5 abuts against the upper supporting plate 7 to drive the upper supporting plate 7 to ascend, and the lifting supporting block 5 is separated from the upper supporting plate 7 after ascending to the highest point, and further the vibration hammer 2 is lifted to the required height.
The screw joint portion 9 including setting up the screw rod 99 between upper plate 7 and bottom plate 8, screw rod 99 run through in proper order through upper plate 7 and bottom plate 8 and screw rod 99 bottom and excitation hammer 2 looks spiro union cooperation, upper plate 7 and screw rod 99 between fix mutually through nut 10, nut 10 and upper plate 7 between be equipped with spring washer 11, bottom plate 8 and screw rod 99 between fix mutually through nut 10, nut 10 and bottom plate 8 between be equipped with spring washer 11.
In this embodiment, the screw 99 is used to connect and fix the upper support plate 7, the lower support plate 8 and the exciting hammer 2, and the 5 nuts 10 and the 5 spring washers 11 are used to fasten in series, so that the nuts 10 and the spring washers 11 can prevent the upper support plate 7, the lower support plate 8 and the screw 99 from loosening, thereby enhancing the stability.
Referring to fig. 1 and 4, a plurality of guide rods 12 are arranged in the exciting hammer fixing seat body 1 and are symmetrical along the central line of the exciting hammer fixing seat body 1, the guide rods 12 sequentially penetrate through an upper supporting plate 7 and a lower supporting plate 8, the upper supporting plate 7 and the lower supporting plate 8 are respectively in sliding fit with the guide rods 12, and the guide rods 12 and the exciting hammers 2 are arranged in a staggered mode.
In this embodiment, in the process of the vibration excitation hammer 2 lifting, the upper supporting plate 7 and the lower supporting plate 8 are respectively in sliding fit with the guide rod 12, so that the upper supporting plate 7, the lower supporting plate 8 and the vibration excitation hammer 2 are limited in the vertical direction, and the vibration excitation hammer 2 is prevented from shaking and deviating in the angle in the free falling process, so as to restrict the vertical motion direction of the vibration excitation hammer 2, fix the transmission direction of vibration excitation energy, and improve the measurement accuracy.
A plurality of righting rods 13 which are symmetrical along the central line of the exciting hammer fixing seat main body 1 are arranged between the exciting hammer 2 and the supporting block driving piece 6, the lifting supporting block 5 is in sliding fit with the righting rods 13, and the central line of the righting rods 13 is parallel to the central line of the guide rod 12.
In this embodiment, in the process of lifting the lifting support block 5, the sliding fit between the lifting support block 5 and the righting rod 13 can prevent the lifting support block 5 from being angularly deviated and toppled when driving the upper supporting plate 7 and the exciting hammer 2 to lift, and the lifting support block 5 is always kept in a horizontal abutting state until being separated from the lifting support block 5, so that the stability is good.
The supporting block driving piece 6 comprises an upper gear 14 and a lower gear 15 which are arranged in the exciting hammer fixing seat main body 1, the upper gear 14 and the lower gear 15 are respectively connected with the exciting hammer fixing seat main body 1 through a gear bracket 16, the upper gear 14 and the lower gear 15 are wound with a supporting block fixing chain 17, and the lifting supporting block 5 is fixedly connected with the supporting block fixing chain 17.
In this embodiment, the upper gear 14 and the centering rod 13 are arranged in a staggered manner, the centering rod 13 does not collide with the upper gear 14, the structure is compact and reasonable, the gear bracket 16 is used for fixing the upper gear 14 and the lower gear 15, when the lifting supporting block 5 needs to be lifted, the supporting block fixing chain 17 is driven to transmit through the rotation of the upper gear 14 and the lower gear 15, so that the lifting supporting block 5 is driven to lift, the automation degree is high, the centering rod 13 is two thin rods arranged in parallel, when the lifting supporting block 5 lifts the upper supporting plate 7, the lifting supporting block 5 is always in butt sliding fit with the centering rod 13, and when the lifting supporting block 5 lifts to the upper gear 14, the lifting supporting block 5 moves along the track of the supporting block fixing chain 17 and automatically separates from the upper supporting plate 7, so that the reciprocating cycle is realized, the structure is compact, and the fitting precision is high.
Referring to fig. 2 and 4, a reduction motor 18 is arranged in the exciting hammer fixing seat main body 1, a driving gear 19 is connected to a rotating shaft of the reduction motor 18, a transmission gear 20 connected through a transmission shaft is arranged on the upper gear 14, the transmission gear 20 is in transmission fit with the driving gear 19 through a chain, and a speed regulator is further arranged on the reduction motor 18.
In the embodiment, when the lifting support block 5 needs to be lifted, the reducing motor 18 is started, the driving gear 19 is driven to rotate through the rotating shaft of the reducing motor 18, the transmission gear 20 and the upper gear 14 are driven to synchronously rotate through the transmission cooperation of the chains, when the lifting support block 5 is lifted, the support block fixing chain 17 is tightened, the lifting support block 5 leans against the righting rod 13 to slide upwards, the speed regulator is used for regulating the rotating speed of the reducing motor 18, the limit power of the reducing motor 18 is 300W, and the reduction ratio is 6 GU-30K.
Referring to fig. 1 and 2, a top beam 21, a joist 22 and a bottom beam 23 are arranged in the exciting hammer fixing seat main body 1, the joist 22 and the exciting hammer 2 are arranged in a staggered mode, an expansion bolt fixing base 24 is arranged at the bottom of the bottom beam 23, and a hanging ring 25 is arranged at the top of the top beam 21.
In this embodiment, when fixed, be equipped with 4 locating holes in the expansion bolts fixed baseplate 24, fix expansion bolts fixed baseplate 24 and ground through expansion bolts, the stability of integrated device is better, and rings 25 make things convenient for the loop wheel machine to load and hang the transportation.
Referring to fig. 2, a plurality of armrest seats 26 are disposed on two sides of the exciting hammer fixing seat body 1, and a plurality of rotatable mute pulleys 27 are disposed on the back of the exciting hammer fixing seat body 1.
In this embodiment, the armrest 26 is convenient for the operator to transport and support, and the silent pulley 27 is convenient for transporting in a flat ground.
The working principle of the invention is as follows:
in the using process, after the exciting hammer fixing seat main body 1 is placed at a position to be measured, the exciting hammer fixing seat main body 1 is fixed with the ground, the speed reducing motor 18 is started, the driving gear 19 is driven to rotate through the rotating shaft of the speed reducing motor 18, the transmission gear 20 and the upper gear 14 are driven to synchronously rotate through the transmission matching of the chain, the lifting support block 5 is driven to firstly rise to drive the upper support plate 7 to upwards lift, so that the exciting hammer 2 is synchronously lifted, after the lifting support block is lifted to the highest point, the lifting support block 5 is separated from the upper support plate 7, so that the upper support plate 7, the lower support plate 8 and the exciting hammer 2 freely fall along the vertical direction to generate stable high-energy seismic waves, and meanwhile, in order to meet the requirements of different pile types and tested conditions, the exciting hammer can adjust the vibration energy and the wavelength of the seismic waves by adjusting the size, the weight, the material and the length of the screw rod, the device adopts a side hole transmission wave measurement method to achieve the best detection effect, has novel structure, smaller volume, light weight, detachability, convenient transportation, reliable use, no need of manual knocking measurement and higher automation degree, is particularly suitable for the operation environment of the foundation detection of the existing building, the lifting support block 5 and the exciting hammer 2 are arranged in a staggered way, and the lifting support block 5 cannot collide with the exciting hammer 2 in the lifting process,
when the lifting support block 5 rises, the support block fixing chain 17 is tightened, the lifting support block 5 slides upwards against the righting rod 13, the speed regulator is used for regulating the rotating speed of the speed reducing motor 18, the excitation frequency of the excitation hammer 2 is regulated by regulating the rotating speed of the speed reducing motor 18,
the upper supporting plate 7, the lower supporting plate 8 and the exciting hammer 2 are connected and fixed through the screw 99, 5 nuts 10 and 5 spring gaskets 11 are connected and fastened in series, the nuts 10 and the spring gaskets 11 can enable the upper supporting plate 7, the lower supporting plate 8 and the screw 99 not to be loosened easily, the stability is enhanced, a detachable structure is adopted, workers can adjust the size, weight, material and screw length of the exciting hammer 2 according to different requirements to adjust the vibration energy and the wavelength of seismic waves so as to achieve the best detection effect, the front-back length of the lower supporting plate 8 is smaller than the front-back length of the upper supporting plate 7, the lifting supporting block 5 cannot be abutted against the lower supporting plate 8, when the lifting supporting block 5 is abutted against the upper supporting plate 7 to drive the upper supporting plate 7 to ascend, the lifting supporting block 5 is separated from the upper supporting plate 7 after ascending to the highest point, and further the exciting hammer 2 is lifted to the required height,
in the lifting process of the exciting hammer 2, the upper supporting plate 7 and the lower supporting plate 8 are respectively in sliding fit with the guide rod 12, so that the upper supporting plate 7, the lower supporting plate 8 and the exciting hammer 2 are limited in the vertical direction, the exciting hammer 2 is prevented from shaking and angularly shifting in the free falling process, the measurement accuracy is improved,
in the lifting process of the lifting support block 5, the lifting support block 5 is in sliding fit with the righting rod 13, so that when the lifting support block 5 drives the upper support plate 7 and the exciting hammer 2 to lift, the lifting support block does not generate angular deviation and topple, the lifting support block is always kept in a horizontal abutting state until the lifting support block is separated from the lifting support block 5, and the stability is good,
the gear bracket 16 is used for fixing the upper gear 14 and the lower gear 15, when the lifting supporting block 5 is required to be lifted, the supporting block fixing chain 17 is driven to transmit through the rotation of the upper gear 14 and the lower gear 15, so that the lifting supporting block 5 is driven to lift, the automation degree is high,
when fixed, be equipped with 4 locating holes in the expansion bolts fixed baseplate 24, fix expansion bolts fixed baseplate 24 and ground through expansion bolts, the stability of whole device is better, and rings 25 makes things convenient for the loop wheel machine to load and hang the transportation, and the operation personnel transportation and support of being convenient for of handrail seat 26, silence pulley 27 are convenient for transport in the flat place.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the invention.
Although the terms of the vibration exciter fixing seat main body 1, the vibration exciter 2, the detachable pallet connecting part 3, the self-driven lifting pallet assembly 4, the lifting pallet 5, the pallet driving part 6, the upper pallet 7, the lower pallet 8, the threaded part 9, the screw 99, the nut 10, the spring washer 11, the guide rod 12, the righting rod 13, the upper gear 14, the lower gear 15, the gear bracket 16, the pallet fixing chain 17, the reduction motor 18, the driving gear 19, the transmission gear 20, the top beam 21, the pallet 22, the bottom beam 23, the expansion bolt fixing base 24, the hanging ring 25, the armrest seat 26, the silent pulley 27, and the like are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.
Claims (10)
1. The utility model provides an automatic exciting vibration hammer for side hole transmission wave method pile foundation detects, includes exciting vibration hammer fixing base main part (1), exciting vibration hammer fixing base main part (1) in be equipped with can follow vertical direction reciprocating linear motion's exciting vibration hammer (2), its characterized in that, exciting vibration hammer (2) top be equipped with removable layer board connecting portion (3) of exciting vibration hammer (2) looks spiro union connection, exciting vibration hammer fixing base main part (1) in still be equipped with removable layer board connecting portion (3) looks butt complex from drive lift tray subassembly (4), self-drive lift tray subassembly (4) and exciting vibration hammer (2) crisscross the setting.
2. The automatic vibration exciter for the lateral hole transmission wave method pile foundation detection according to claim 1, wherein the self-driven lifting support block assembly (4) comprises a lifting support block (5) arranged in the vibration exciter fixing seat body (1), the lifting support block (5) is in butt fit with the detachable support plate connecting part (3), the lifting support block (5) and the vibration exciter (2) are arranged in a staggered mode, a support block driving part (6) is arranged behind the vibration exciter (2), and the support block driving part (6) is connected with the lifting support block (5).
3. The automatic excitation hammer for the lateral hole transmission wave method pile foundation detection according to claim 2, wherein the detachable supporting plate connecting portion (3) comprises an upper supporting plate (7) and a lower supporting plate (8) which are arranged above the excitation hammer (2), the upper supporting plate (7) and the lower supporting plate (8) are respectively connected with the excitation hammer (2) through a screwed portion (9), the lifting supporting block (5) is in butt fit with the upper supporting plate (7), and the lifting supporting block (5) and the lower supporting plate (8) are arranged in a staggered mode.
4. The automatic vibration exciter for the lateral hole transmission wave method pile foundation detection according to claim 3, wherein the threaded portion (9) comprises a screw (99) arranged between an upper supporting plate (7) and a lower supporting plate (8), the screw (99) sequentially penetrates through the upper supporting plate (7) and the lower supporting plate (8) and the bottom of the screw (99) is in threaded connection with the vibration exciter (2), the upper supporting plate (7) and the screw (99) are fixed through a nut (10), a spring gasket (11) is arranged between the nut (10) and the upper supporting plate (7), the lower supporting plate (8) and the screw (99) are fixed through the nut (10), and the spring gasket (11) is arranged between the nut (10) and the lower supporting plate (8).
5. The automatic exciting hammer for the lateral hole transmission wave method pile foundation detection according to any one of claims 3 or 4, characterized in that a plurality of guide rods (12) which are symmetrical along the center line of the exciting hammer fixing seat body (1) are arranged in the exciting hammer fixing seat body (1), the guide rods (12) sequentially penetrate through the upper supporting plate (7) and the lower supporting plate (8), the upper supporting plate (7) and the lower supporting plate (8) are respectively matched with the guide rods (12) in a sliding manner, and the guide rods (12) and the exciting hammers (2) are arranged in a staggered manner.
6. The automatic exciting hammer for the lateral hole transmission wave method pile foundation detection according to any one of claims 2-4, wherein a plurality of centralizing rods (13) symmetrical along the central line of the exciting hammer fixing seat main body (1) are arranged between the exciting hammer (2) and the supporting block driving piece (6), the lifting supporting block (5) is in sliding fit with the centralizing rods (13), and the central line of the centralizing rods (13) is parallel to the central line of the guide rod (12).
7. The automatic exciting hammer for the lateral hole transmission wave method pile foundation detection according to any one of claims 2-4, wherein the supporting block driving part (6) comprises an upper gear (14) and a lower gear (15) which are arranged in the exciting hammer fixing seat main body (1), the upper gear (14) and the lower gear (15) are respectively connected with the exciting hammer fixing seat main body (1) through a gear bracket (16), a supporting block fixing chain (17) is wound on the upper gear (14) and the lower gear (15), and the lifting supporting block (5) is fixedly connected with the supporting block fixing chain (17).
8. The automatic exciting hammer for the lateral hole transmission wave method pile foundation detection according to claim 7, wherein a speed reducing motor (18) is arranged in the exciting hammer fixing seat main body (1), a driving gear (19) is connected to a rotating shaft of the speed reducing motor (18), a transmission gear (20) connected through a transmission shaft is arranged on the upper gear (14), the transmission gear (20) is in transmission fit with the driving gear (19) through a chain, and a speed regulator is further arranged on the speed reducing motor (18).
9. The automatic exciting hammer for the side-hole transmission wave method pile foundation detection according to claim 1, wherein a top beam (21), a joist (22) and a bottom beam (23) are arranged in the exciting hammer fixing seat main body (1), the joist (22) and the exciting hammer (2) are arranged in a staggered mode, an expansion bolt fixing base (24) is arranged at the bottom of the bottom beam (23), and a hanging ring (25) is arranged at the top of the top beam (21).
10. The automatic exciting hammer for the side-hole transmission wave method pile foundation detection according to claim 1, wherein a plurality of armrest seats (26) are arranged on two sides of the exciting hammer fixing seat main body (1), and a plurality of rotatable mute pulleys (27) are arranged on the back of the exciting hammer fixing seat main body (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210433268.9A CN114965689B (en) | 2022-04-24 | 2022-04-24 | Automatic vibration hammer for side-hole transmission wave method pile foundation detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210433268.9A CN114965689B (en) | 2022-04-24 | 2022-04-24 | Automatic vibration hammer for side-hole transmission wave method pile foundation detection |
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| CN114965689B CN114965689B (en) | 2023-03-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117306611A (en) * | 2023-11-03 | 2023-12-29 | 合肥工大共达工程检测试验有限公司 | Automatic vibrating hammer for pile foundation inspection using side hole transmitted wave method |
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| CN214174636U (en) * | 2021-01-08 | 2021-09-10 | 华北地质勘查局五一四地质大队 | Movable seismic wave vibration hammer |
| CN216309292U (en) * | 2021-10-11 | 2022-04-15 | 西南交通大学 | Elastic wave division level excitation device for nondestructive testing of anchor cable prestress |
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| JPH10197501A (en) * | 1996-11-14 | 1998-07-31 | Isuzu Motors Ltd | Automatic shock excitation device |
| CN106049566A (en) * | 2016-08-09 | 2016-10-26 | 浙江省建设工程质量检验站有限公司 | Detection device and method for determining length of foundation pile through bypass port transmission wave method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117306611A (en) * | 2023-11-03 | 2023-12-29 | 合肥工大共达工程检测试验有限公司 | Automatic vibrating hammer for pile foundation inspection using side hole transmitted wave method |
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| CN114965689B (en) | 2023-03-28 |
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