CN113202087B - Pneumatic pushing and vibrating device - Google Patents
Pneumatic pushing and vibrating device Download PDFInfo
- Publication number
- CN113202087B CN113202087B CN202110655787.5A CN202110655787A CN113202087B CN 113202087 B CN113202087 B CN 113202087B CN 202110655787 A CN202110655787 A CN 202110655787A CN 113202087 B CN113202087 B CN 113202087B
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- China
- Prior art keywords
- vibrating device
- cavity
- tube
- cover plate
- inner tube
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 abstract description 12
- 239000002689 soil Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses an air pressure pushing and vibrating device, which comprises an air pressure sealing device, a vibrating device, an outer tube, an inner tube and a steel bar; the air pressure sealing device comprises a valve body, a cover plate and a pressurizing mechanism, wherein a valve cavity is formed in the valve body, the valve cavity is provided with an air inlet channel, the air inlet channel is communicated with the pressurizing mechanism, an outer pipe connector is arranged below the valve cavity, the lower part of the outer pipe connector is connected with an outer pipe in a sealing manner, a feed inlet is arranged above the valve cavity, the cover plate is arranged at the feed inlet, and the cover plate seals or opens the feed inlet; the vibration device is arranged in the valve cavity, the inner tube is inserted into the outer tube, a gap is formed between the inner tube and the outer tube, a plurality of steel bars are annularly arranged on the lower side of the inner tube along the tube wall, the steel bars extend downwards, the vibration device is fixed above the inner tube, and the inner tube and the outer tube are elastically connected at the upper end of the outer tube. The invention has the advantages that the concrete is more full and compact when the immersed tube is poured, the steel tube is prevented from being hung with a steel reinforcement cage when the immersed tube is pulled out, the concrete blocks the steel tube, and the necking is prevented.
Description
Technical Field
The invention relates to the technical field of immersed tube cast-in-place piles, in particular to an air pressure pushing and vibrating device.
Background
The immersed tube cast-in-place pile is a pile foundation construction method commonly used at present, and is more corrosion-resistant in a corrosive soil layer relative to a precast pile; compared with the bored pile, the problems of sinking of the pile body, insufficient holding force and the like caused by the floating soil at the pile tip of the bored pile are avoided. The method comprises the steps of adopting a steel pipe corresponding to the design size of a pile foundation to downwards push a pile tip, sinking the steel pipe and the pile tip into a soil layer, placing a reinforcement cage in the steel pipe, then pouring concrete into the steel pipe, and simultaneously vibrating or hammering to pull out the steel pipe.
However, the existing immersed tube filling pile construction equipment is easy to cause the following problems in the construction process:
When the tube is drawn, the steel reinforcement cage floats upwards, so that the steel reinforcement cage is brought into the cage; concrete blocks the steel pipe; after the concrete is poured, the concrete is not full and compact; in the pipe drawing process, concrete is extruded by the retractive force of soil around the steel pipe, so that necking is caused.
Disclosure of Invention
The present invention has been made in view of the above problems. The invention aims to provide an air pressure pushing and vibrating device, which overcomes the defects, ensures that concrete is filled better and compactly, prevents steel pipes from being hung out of a reinforcement cage during pipe drawing, prevents the steel pipes from being blocked by the concrete, and simultaneously prevents necking.
To achieve the above object, the solution of the present invention is: an air pressure pushing and vibrating device comprises an air pressure sealing device, a vibrating device, an outer tube, an inner tube and a steel bar;
The air pressure sealing device comprises a valve body, a cover plate and a pressurizing mechanism, wherein a valve cavity is formed in the valve body, the valve cavity is provided with an air inlet channel, the air inlet channel is communicated with the pressurizing mechanism, an outer pipe connector is arranged below the valve cavity, the lower part of the outer pipe connector is connected with an outer pipe in a sealing manner, a feed inlet is formed above the valve cavity, the cover plate is arranged at the feed inlet, and the cover plate seals or opens the feed inlet;
The vibration device is arranged in the valve cavity, the inner tube is inserted into the outer tube, a gap is formed between the inner tube and the outer tube, a plurality of steel bars are annularly arranged on the lower side of the inner tube along the tube wall, the steel bars extend downwards, the vibration device is fixed above the inner tube, and the inner tube is elastically connected with the outer tube at the upper end of the outer tube.
Further, outer tube flange dish extends to the outer tube outer wall, outer tube interface passes through outer tube flange dish and outer tube sealing connection.
Further, the valve cavity comprises a feeding cavity and a vibrating device installation cavity, a hopper is arranged below the feeding cavity in an extending mode, the vibrating device installation cavity is communicated below the hopper, the feeding hole is formed in the upper portion of the feeding cavity, the outer pipe connector is arranged below the vibrating device installation cavity, the hopper is inserted into the inner pipe, and an interval is reserved between the outer wall of the hopper and the inner pipe.
Further, the outer tube outer wall is fixed with the lower flange, the inner tube outer wall is fixed with the upper flange, the upper flange is in the lower flange top, vibrating device fixes the upper flange top, upper flange, lower flange, vibrating device are in the vibrating device installation cavity, vertically be fixed with a plurality of springs between upper flange and the lower flange, a plurality of springs are followed the upper flange is arranged with the lower flange annular.
Further, the cross section of the installation cavity of the vibrating device is larger than that of the feeding cavity, and a workbench is formed above the installation cavity of the vibrating device and around the feeding cavity.
Further, the pneumatic sealing device further comprises a control mechanism, the cover plate is rotatably arranged in the valve cavity, the control mechanism is connected with the cover plate, and the control mechanism drives the cover plate to rotatably open or close the feed inlet in the valve cavity.
Further, the control mechanism is vertically fixed in the valve cavity and comprises a telescopic cylinder and a connecting rod, the middle part of the connecting rod is hinged to one side of the lower part of the feed inlet, one end of the connecting rod is connected with the cover plate, the other end of the connecting rod is hinged to the telescopic cylinder and is pushed and pulled by the telescopic cylinder, when the telescopic cylinder is pushed upwards, the connecting rod drives the cover plate to rotate downwards and fold the side wall of the valve cavity so as to open the feed inlet, and when the telescopic cylinder is pulled downwards, the connecting rod drives the cover plate to rotate upwards and be attached to the lower end face of the feed inlet so as to seal the feed inlet.
Further, the valve body forms the cavity in the lateral wall of valve pocket, control mechanism sets up in the cavity, the valve body lateral wall is in cavity department opens has the access hole, detachably seals the lock on the access hole has the access cover.
Further, the steel bar is welded on the inner tube.
Further, a sealing gasket is arranged between the cover plate and the feeding hole.
After the scheme is adopted, the beneficial effects of the invention are as follows: a valve cavity is formed in the valve body, the valve cavity is provided with an air inlet channel, the air inlet channel is communicated with the pressurizing mechanism, an outer pipe connector is formed below the valve cavity, the lower part of the outer pipe connector is connected with an outer pipe in a sealing manner, a feed inlet is formed above the valve cavity, a cover plate is arranged at the feed inlet, and the cover plate seals or opens the feed inlet; the vibration device is arranged in the valve cavity, the inner tube is inserted into the outer tube, a gap is arranged between the inner tube and the outer tube, a plurality of steel bars are annularly arranged on the lower side of the inner tube along the tube wall, the steel bars extend downwards, the vibration device is fixed above the inner tube, and the inner tube and the outer tube are elastically connected at the upper end of the outer tube; the steel reinforcement cage is placed and concrete is poured into the feeding hole at the rear edge of the immersed tube, the steel reinforcement cage is guided by the inner wall of the inner tube and a plurality of steel bars annularly arranged at the lower side of the inner tube, and the steel reinforcement cage is prevented from being inclined and is carried up during tube drawing; after concrete is poured, the cover plate seals the feed inlet, the pressurizing mechanism pressurizes the valve cavity along the air inlet channel, and then pressure is applied to the upper surface of the concrete, the vibrating device drives the inner pipe and the steel bars to vibrate, and the steel bars vibrate the concrete, so that the filling degree of the concrete is improved, meanwhile, the concrete is more compact, and the pipe blockage is prevented; in the tube drawing process, the air pressure in the valve cavity is high, so that the extruded concrete rapidly falls down and expands, and necking caused by retraction and filling of surrounding soil is prevented.
Drawings
FIG. 1 is a schematic elevational view of the present invention;
FIG. 2 is a schematic side elevational view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic view of the partial structure of the junction of the outer tube and the inner tube of the present invention.
Description of the reference numerals: 1-pneumatic sealing device, 2-vibrating device, 3-outer tube, 4-inner tube, 5-steel bar, 6-valve body, 7-cover plate, 8-pressurizing mechanism, 9-valve cavity, 10-air inlet channel, 11-outer tube interface, 12-feed inlet, 13-outer tube flange plate, 14-feed cavity, 15-vibrating device mounting cavity, 16-hopper, 17-lower flange plate, 18-upper flange plate, 19-spring, 20-workbench, 21-control mechanism, 22-telescopic cylinder, 23-connecting rod, 24-concave cavity, 25-access port, 26-access cover, 27-sealing gasket and 28-gap.
Detailed Description
The invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The invention relates to an air pressure pushing and vibrating device, which is shown in figures 1, 2, 3 and 4, and comprises an air pressure sealing device 1, a vibrating device 2, an outer tube 3, an inner tube 4 and a steel rod 5; The air pressure sealing device 1 comprises a valve body 6, a cover plate 7 and a pressurizing mechanism 8, wherein a valve cavity 9 is formed in the valve body 6, the valve cavity 9 is provided with an air inlet channel 10, the air inlet channel 10 is communicated with the pressurizing mechanism 8, the pressurizing mechanism 8 is any existing equipment capable of providing high-pressure air, an outer pipe joint 11 is arranged below the valve cavity 9, the outer pipe 3 is connected with the lower part of the outer pipe joint 11 in a sealing manner, during construction, the outer pipe 3 is pushed down to a pile tip by a static pile driver, the outer pipe 3 and the pile tip are further pressed into a soil layer together, in the embodiment, the outer wall of the outer pipe 3 is extended with an outer pipe flange 13, the outer pipe joint 11 is connected with the outer pipe 3 in a sealing manner through the outer pipe flange 13, In this embodiment, the outer pipe joint 11 is fixedly connected with the pipe flange 13 in a screwed connection manner, and other manners such as welding can be adopted for connection and fixation, a feed inlet 12 is formed above the valve cavity 9, a cover plate 7 is arranged at the feed inlet 12, a sealing gasket 27 is arranged between the cover plate 7 and the feed inlet 12, the feed inlet 12 is sealed or opened by the cover plate 7, concrete can be poured along the feed inlet 12 by opening the cover plate 7, a reinforcement cage is lowered, the sealing cover plate 7 is buckled, at this time, a closed space is formed in the valve cavity 9, a pressurizing mechanism 8 is opened, and the air pressure in the valve cavity 9 rises, so that the purpose of extruding the concrete downwards is achieved; The vibration device 2 is arranged in the valve cavity 9, the inner pipe 4 is inserted into the outer pipe 3, a gap 28 is arranged between the inner pipe 4 and the outer pipe 3, the inner pipe 4 and the outer pipe 3 can be simultaneously inserted into a soil layer, the inner pipe 4 can be inserted into the outer pipe 3 after the outer pipe 3 is inserted into the soil layer, a plurality of steel bars 5 are annularly arranged at the lower side of the inner pipe 4, when the steel bar cage is placed along the inner pipe 4, the inner wall of the inner pipe 4 and the steel bars 5 play a guiding role on the steel bar cage, the tilting deflection of the steel bar cage is restrained, the steel bar cage is prevented from being hung on the device, after the vibration device 2 is started, the steel bars 5 vibrate the concrete, the flow of the concrete in the outer pipe 3 is accelerated, make concrete filling degree better, more closely knit, for extension inner tube 4, set up steel chisel 5 in inner tube 4 below can alleviate the weight of equipment, load when reducing vibration to steel chisel 5 can not obstruct the expansion of concrete to outer tube 3, and the preferred quantity of steel chisel 5 is 4 to 8, for making steel chisel 5 and inner tube 4 be connected more firm, prevent steel chisel 5 and inner tube 4 junction fracture, in this embodiment, steel chisel 5 welding is in on inner tube 4, steel chisel 5 downwardly extending, vibrating device 2 is fixed with inner tube 4, inner tube 4 elastic connection outer tube 3, and elastic connection's concrete form can be spring, Rubber and the like can block the vibrating material or structure so as to prevent the inner pipe 4 from vibrating together with the outer pipe 3 and other components, and start the vibrating device, the vibrating device drives the inner pipe 4 and the steel bar 5 to vibrate, and the inner pipe 4 and the steel bar 5 are inserted into concrete so as to drive the concrete to vibrate, thereby accelerating the flow of the concrete in the device under the action of air pressure pushing and vibrating, improving the filling degree and compactness of the concrete, and further playing the role of preventing the concrete and the reinforcement cage from blocking the pipe.
In a further embodiment, the valve cavity 9 includes a feeding cavity 14 and a vibration device mounting cavity 15, a hopper 16 extends below the feeding cavity 14, the vibration device mounting cavity 15 is communicated below the hopper 16, the feeding port 12 is arranged above the feeding cavity 14, the outer pipe port 11 is arranged below the vibration device mounting cavity 15, the hopper 16 is inserted into the inner pipe 4, when concrete is poured from the feeding port 12 above the feeding cavity 14, the concrete in the feeding cavity 14 directly enters the inner cavity of the inner pipe 4 along the hopper 16 and does not flow into the vibration device mounting cavity 15, a space is reserved between the outer wall of the hopper 16 and the inner pipe 4, and when the vibration device 2 connected to the inner pipe 4 vibrates, the inner pipe 4 does not vibrate together with the valve body 6. In this embodiment, the inner tube 4 is connected with the outer tube 3 through a spring, the outer wall of the outer tube 3 is fixed with a lower flange 17, the outer wall of the inner tube 4 is fixed with an upper flange 18, the lower flange 17 is welded on the outer tube 3, the upper flange 18 is welded on the inner tube 4, the diameters of the upper flange 18 and the lower flange 17 are smaller than the diameter of the outer tube flange 13, the vibration device 2 is fixed above the upper flange 18, the vibration device 2 can be fixed on the upper flange 18 through a screwing or welding mode, and the upper flange 18, the lower flange 17 and the vibration device 2 are all arranged in the vibration device mounting cavity 15, so that the vibration of the vibration device 2 and the inner tube 4 does not affect the overall air tightness of the device, a plurality of springs 19 are vertically fixed between the upper flange 18 and the lower flange 17, the springs 19 are annularly arranged along the upper flange 18 and the lower flange 17, and the springs 19 absorb the inner tube 18, and the vibration device 4 is prevented from being conducted to the outer tube 3.
The air pressure sealing device 1 further comprises a control mechanism 21, the cover plate 7 is rotatably arranged in the valve cavity 9, the control mechanism 21 is connected with the cover plate 7, the control mechanism 21 drives the cover plate 7 to rotate in the valve cavity 9 to open or close the feed inlet 12, after the cover plate 7 covers the feed inlet 12, when the air pressure in the valve cavity 9 rises, the air pressure is used for pushing the cover plate 7, as the cover plate 7 upwards covers the feed inlet 12 in the valve cavity 9, the air pressure can not push the cover plate 7 open, and the sealing effect of the cover plate 7 for covering the feed inlet 12 is promoted. The control mechanism 21 is vertically fixed in the valve cavity 9 and comprises a telescopic cylinder 22 and a connecting rod 23, the telescopic cylinder 22 can adopt an air cylinder or a hydraulic cylinder, the middle part of the connecting rod 23 is hinged to one side below the feed inlet 12, one end of the connecting rod 23 is connected with the cover plate 7, the connecting rod 23 is connected with the cover plate 7 through a threaded connection or through a joint bearing, the cover plate 7 can adaptively deflect a certain angle when connected through the joint bearing, the sealing effect between the cover plate 7 and the feed inlet 12 is better, the other end of the connecting rod 23 is hinged to the telescopic cylinder 22 and pushed and pulled by the telescopic cylinder 22, when the telescopic cylinder 22 is pushed upwards, the connecting rod 23 drives the cover plate 7 to rotate downwards and fold to the side wall of the valve cavity 9 to open the feed inlet 12, at the moment, the cover plate 7 is blocked outside the control mechanism 21, concrete is prevented from splashing to the control mechanism 21, and the cover plate 7 is driven to rotate upwards and be attached to the lower end face of the feed inlet 12 when the telescopic cylinder 22 is pulled downwards so as to seal the feed inlet 12.
In order to prevent the control mechanism 21 and the cover plate 7 from interfering with the concrete and the reinforcement cage entering from the feeding hole 12, the valve body 6 forms a concave cavity 24 on the side wall of the valve cavity 9, the control mechanism 21 is arranged in the concave cavity 24, an access hole 25 is formed in the side wall of the valve body 6 at the concave cavity 24, an access cover 26 is detachably and hermetically buckled on the access hole 25, and the control mechanism 21 in the valve cavity 9 can be maintained and overhauled by opening the access cover 26.
The cross section of the vibration device installation cavity 15 is larger than that of the feeding cavity 14, and a workbench 20 is formed above the vibration device installation cavity 15 and around the feeding cavity 14, so that an operator can assist in placing a reinforcement cage and pouring concrete on the workbench 20, and meanwhile, equipment maintenance personnel can conveniently overhaul equipment from the access cover 26.
The device can also be used for pushing and vibrating concrete in the construction process of rotary digging cast-in-place piles, punching cast-in-place piles, manual hole cast-in-place piles and sleeve piles, so that pile forming quality is improved.
The above embodiments are only preferred embodiments of the present invention, and are not limited to the present invention, and all equivalent changes made according to the design key of the present invention fall within the protection scope of the present invention.
Claims (10)
1. An air pressure pushing and vibrating device is characterized in that: comprises an air pressure sealing device (1), a vibrating device (2), an outer tube (3), an inner tube (4) and a steel bar (5);
The air pressure sealing device (1) comprises a valve body (6), a cover plate (7) and a pressurizing mechanism (8), wherein a valve cavity (9) is formed in the valve body (6), an air inlet channel (10) is formed in the valve cavity (9), the air inlet channel (10) is communicated with the pressurizing mechanism (8), an outer pipe connector (11) is formed below the valve cavity (9), an outer pipe (3) is connected below the outer pipe connector (11) in a sealing manner, a feed inlet (12) is formed above the valve cavity (9), the cover plate (7) is arranged at the feed inlet (12), and the feed inlet (12) is sealed or opened by the cover plate (7);
The vibrating device is characterized in that the vibrating device (2) is arranged in the valve cavity (9), the inner tube (4) is inserted into the outer tube (3), a gap (28) is formed between the inner tube (4) and the outer tube (3), a plurality of steel bars (5) are annularly arranged on the lower side of the inner tube (4) along the tube wall, the steel bars (5) extend downwards, the vibrating device (2) is fixed above the inner tube (4), and the inner tube (4) is elastically connected with the outer tube (3) at the upper end of the outer tube (3).
2. A pneumatic pushing and vibrating device as claimed in claim 1, wherein: the outer wall of the outer tube (3) is extended with an outer tube flange (13), and the outer tube interface (11) is in sealing connection with the outer tube (3) through the outer tube flange (13).
3. A pneumatic pushing and vibrating device as claimed in claim 1, wherein: the valve cavity (9) comprises a feeding cavity (14) and a vibrating device mounting cavity (15), a hopper (16) is arranged below the feeding cavity (14) in an extending mode, the vibrating device mounting cavity (15) is communicated below the hopper (16), the feeding port (12) is arranged above the feeding cavity (14), the outer pipe interface (11) is arranged below the vibrating device mounting cavity (15), the hopper (16) is inserted into the inner pipe (4), and an interval is reserved between the outer wall of the hopper (16) and the inner pipe (4).
4. A pneumatic pushing and vibrating device as claimed in claim 3, wherein: the outer tube (3) outer wall is fixed with lower flange (17), inner tube (4) outer wall is fixed with flange (18), it is in to go up flange (18) be in lower flange (17) top, vibrating device (2) are fixed go up flange (18) top, go up flange (18), lower flange (17), vibrating device (2) all are in vibrating device installation cavity (15), go up vertical a plurality of springs (19) that are fixed with between flange (18) and lower flange (17), a plurality of spring (19) are followed go up flange (18) and lower flange (17) annular arrangement.
5. A pneumatic pushing and vibrating device as claimed in claim 3, wherein: the cross section of the vibrating device installation cavity (15) is larger than that of the feeding cavity (14), and a workbench (20) is formed above the vibrating device installation cavity (15) and around the feeding cavity (14).
6. A pneumatic pushing and vibrating device as claimed in claim 1, wherein: the pneumatic sealing device (1) further comprises a control mechanism (21), the cover plate (7) is rotatably arranged in the valve cavity (9), the control mechanism (21) is connected with the cover plate (7), and the control mechanism (21) drives the cover plate (7) to rotate in the valve cavity (9) to open or close the feed inlet (12).
7. A pneumatic pushing and vibrating device as set forth in claim 6 wherein: the control mechanism (21) is vertically fixed in the valve cavity (9), and comprises a telescopic cylinder (22) and a connecting rod (23), the middle part of the connecting rod (23) is hinged to one side below the feed inlet (12), one end of the connecting rod (23) is connected with the cover plate (7), the other end of the connecting rod (23) is hinged to the telescopic cylinder (22) and is pushed and pulled by the telescopic cylinder (22), when the telescopic cylinder (22) pushes upwards, the connecting rod (23) drives the cover plate (7) to rotate downwards and fold to the side wall of the valve cavity (9) to open the feed inlet (12), and when the telescopic cylinder (22) pulls downwards, the connecting rod (23) drives the cover plate (7) to rotate upwards and be attached to the lower end face of the feed inlet (12) to seal the feed inlet (12).
8. A pneumatic pushing and vibrating device as set forth in claim 6 wherein: the valve body (6) forms a cavity (24) on the side wall of the valve cavity (9), the control mechanism (21) is arranged in the cavity (24), an access hole (25) is formed in the side wall of the valve body (6) at the position of the cavity (24), and an access cover (26) is detachably and hermetically buckled on the access hole (25).
9. A pneumatic pushing and vibrating device as claimed in claim 1, wherein: the steel bar (5) is welded on the inner tube (4).
10. A pneumatic pushing and vibrating device as claimed in claim 1, wherein: a sealing gasket (27) is arranged between the cover plate (7) and the feeding hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110655787.5A CN113202087B (en) | 2021-06-11 | 2021-06-11 | Pneumatic pushing and vibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110655787.5A CN113202087B (en) | 2021-06-11 | 2021-06-11 | Pneumatic pushing and vibrating device |
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| Publication Number | Publication Date |
|---|---|
| CN113202087A CN113202087A (en) | 2021-08-03 |
| CN113202087B true CN113202087B (en) | 2024-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110655787.5A Active CN113202087B (en) | 2021-06-11 | 2021-06-11 | Pneumatic pushing and vibrating device |
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| CN (1) | CN113202087B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217101A (en) * | 2022-08-26 | 2022-10-21 | 陈清贵 | A kind of pneumatic pushing and sealing device and method of immersed pipe cast-in-place pile driver |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187243A (en) * | 2021-06-11 | 2021-07-30 | 陈清贵 | Bored concrete pile concrete vibrating device |
| CN214786089U (en) * | 2021-06-11 | 2021-11-19 | 陈清贵 | Bored concrete pile concrete vibrating device |
| CN214883603U (en) * | 2021-06-11 | 2021-11-26 | 陈清贵 | Air pressure pushing and vibrating device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10013446A1 (en) * | 2000-03-17 | 2002-01-24 | Bvv Spezialtiefbautechnik Vert | Method and device for producing an in-situ concrete pile |
| CN203034460U (en) * | 2012-06-19 | 2013-07-03 | 蔡崇晓 | Inverse inserted vibration guiding device for tube-sinking cast-in-situ pile construction |
| CN111472350B (en) * | 2020-05-26 | 2024-10-29 | 陈清贵 | Gas pushing sealing device of immersed tube filling pile machine |
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- 2021-06-11 CN CN202110655787.5A patent/CN113202087B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187243A (en) * | 2021-06-11 | 2021-07-30 | 陈清贵 | Bored concrete pile concrete vibrating device |
| CN214786089U (en) * | 2021-06-11 | 2021-11-19 | 陈清贵 | Bored concrete pile concrete vibrating device |
| CN214883603U (en) * | 2021-06-11 | 2021-11-26 | 陈清贵 | Air pressure pushing and vibrating device |
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| CN113202087A (en) | 2021-08-03 |
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