CN111608178A - Pile driver for civil engineering - Google Patents
Pile driver for civil engineering Download PDFInfo
- Publication number
- CN111608178A CN111608178A CN202010511521.9A CN202010511521A CN111608178A CN 111608178 A CN111608178 A CN 111608178A CN 202010511521 A CN202010511521 A CN 202010511521A CN 111608178 A CN111608178 A CN 111608178A
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- Prior art keywords
- end surface
- connecting rod
- top end
- sleeve
- civil engineering
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a pile driver for civil engineering, which comprises a supporting leg, a hammer head, a first beam, a first connecting rod, a guide mechanism arranged on the top end surface of the first beam, a damping mechanism arranged on the bottom end surface of the first connecting rod and a fixing mechanism arranged on the top end surface of the hammer head, wherein the guide mechanism comprises a supporting rod, the supporting rod is arranged on one side surface of the first beam, a positioning block is arranged on one side surface of the supporting rod opposite to the first beam, a second lug is arranged on the top end surface of the positioning block, a first lug is arranged on the top end surface of the first beam, a fastening bolt is arranged on the inner surface of the first lug, and an external thread is arranged on the outer surface of the fastening bolt. Realized being convenient for guarantee the stability that first connecting rod removed, the accurate striking of the tup of being convenient for improves work efficiency, carries out the shock attenuation to the tup, has reduced the impact force and has caused the damage and be convenient for fixed tup, the function of the dismantlement and the change of the tup of being convenient for to the connecting rod.
Description
Technical Field
The invention belongs to the technical field of civil engineering, and particularly relates to a pile driver for civil engineering.
Background
The pile driver consists of a pile hammer, a pile frame, accessory equipment and the like. The pile hammer is attached between two parallel vertical guide rods at the front part of the pile frame and is hoisted by a hoisting hook. The pile frame is a steel structure tower frame. The front of the pile frame is provided with a guide frame consisting of two guide rods for controlling the piling direction so that the pile can accurately penetrate into the stratum according to the designed direction. The basic technical parameters of the pile driver are the impact section weight, the impact kinetic energy and the impact frequency. The traditional pile driver still has various problems and is difficult to meet the actual use requirement.
The pile driver for civil engineering disclosed by the invention with the authorization notice number of CN109252574A has the advantages of reasonable structure, convenience in use, wide application range and space saving, but does not solve the problems that the hammer head cannot accurately strike and the working efficiency is reduced due to large swinging amplitude of the hammer head when the hammer head works, and the device cannot be suitable for pile bodies with different thicknesses due to the fact that the shock absorption device is not fixed stably, the hammer head swings and is not easy to strike and the hammer head is inconvenient to replace.
Disclosure of Invention
The invention aims to provide a pile driver for civil engineering, which aims to solve the problems that in the background technology, when a hammer head works, the swinging amplitude of the hammer head is large, so that the hammer head cannot strike accurately, the working efficiency is reduced, and a damping device cannot be fixed stably, so that the hammer head swings, the hammer head cannot strike easily, and the hammer head is inconvenient to replace, so that the device cannot be suitable for pile bodies with different thicknesses.
In order to achieve the purpose, the invention provides the following technical scheme: a pile driver for civil engineering comprises supporting legs, a hammer head, a first cross beam, a first connecting rod, a guide mechanism arranged on the top end surface of the first cross beam, a damping mechanism arranged on the bottom end surface of the first connecting rod and a fixing mechanism arranged on the top end surface of the hammer head, wherein the guide mechanism comprises a supporting rod, the supporting rod is arranged on one side surface of the first cross beam, a positioning block is arranged on one side surface of the supporting rod opposite to the first cross beam, a second lug piece is arranged on the top end surface of the positioning block, a first lug piece is arranged on the top end surface of the first cross beam, a fastening bolt is arranged on the inner surface of the first lug piece, an external thread is arranged on the outer surface of the fastening bolt, an internal thread is arranged on the inner surface of the second lug piece, and the supporting rod is fixedly connected with the first cross beam by screwing, the utility model discloses a bracing piece, including bracing piece, telescopic internal surface, first connecting rod and first connecting rod swing joint, the surface of bracing piece is provided with the sleeve, telescopic internal surface is provided with the second spring, just equal fixed connection between second spring and sleeve and the bracing piece, telescopic one end surface is provided with the second lantern ring, just the sleeve closes first connecting rod and first connecting rod swing joint through the second lantern ring registrate.
Preferably, the damping mechanism comprises a supporting plate, the supporting plate is arranged on the bottom end surface of the first connecting rod, a through hole is formed in the top end surface of the supporting plate, a sliding rod is arranged in the through hole, a limiting block is arranged on the top end surface of the sliding rod, a bottom plate is arranged on the bottom end surface of the sliding rod, a first spring is arranged on the outer surface of the sliding rod, and the first spring is fixedly connected with the bottom plate and the supporting plate.
Preferably, the fixing mechanism comprises a stud, the stud is provided with a top end surface of a hammer head, a fixture block is arranged at the edge of the outer surface of the stud, a clamping groove is formed in the top end surface of the base plate, the hammer head is movably connected with the base plate through the clamping groove clamping fixture block, a rubber pad is arranged between the hammer head and the base plate, a nut is arranged on the outer surface of the stud, a gasket is arranged between the nut and the base plate, an internal thread is formed in the inner surface of the nut, an external thread is formed in the outer surface of the stud, and the hammer head is fixedly connected with the base plate through the internal thread of.
Preferably, the first beam is arranged on the rear end surface of the supporting leg, a top plate is arranged on the top end surface of the supporting leg, a second beam is fixedly mounted on the rear end surface of the supporting leg, a bearing seat is arranged on the top end surface of the second beam, a rotating shaft is arranged on the inner surface of the bearing seat, a second belt wheel is arranged on one end surface of the rotating shaft, a driving device is arranged on the top end surface of the top plate, a first belt wheel is arranged at the edge of the outer surface of the driving device, a belt is arranged between the first belt wheel and the second belt wheel, a rotating disc is arranged on the other end surface of the rotating shaft, a connecting shaft is arranged at the edge of the other end surface of the rotating disc, a first sleeve ring is arranged on the outer surface of the connecting shaft, a third connecting rod is arranged on the outer surface of the first sleeve ring, a second connecting rod is arranged on one, the second connecting rod is connected with the first connecting rod through hinged threads.
Preferably, the specification of the first lug is consistent with that of the second lug, a groove is formed in the top end surface of the first beam, the sectional dimension of the groove is the same as that of the positioning block, the positioning block is connected with the second lug through welding, and the first beam is fixedly connected with the first lug.
Preferably, the number of the sleeves is two, the two sleeves are arranged at equal intervals around the axis of the second sleeve ring, the cross-sectional dimension of the inner surface of the second sleeve ring is the same as that of the outer surface of the first connecting rod, and the first connecting rod is connected with the second sleeve ring in a sliding mode.
Preferably, the cross-sectional dimension of the inner surface of the sleeve is the same as the cross-sectional dimension of the outer surface of the support rod, the sleeve is in sliding connection with the support rod, and the axis of the sleeve coincides with the axis of the support rod.
Preferably, the slide bars establish four altogether, four the slide bars are arranged around the axis equidistance of bottom plate, the cross sectional dimension of through-hole is the same with the cross sectional dimension of slide bar.
Preferably, the cross-sectional dimension of the outer surface of the limiting block is larger than that of the through hole, the limiting block is fixedly connected with the sliding rod, and the sliding rod is fixedly connected with the bottom plate.
Preferably, the number of the clamping blocks is two, the two clamping blocks are arranged around the axis of the stud at equal intervals, the size of the cross section of each clamping block is the same as that of the cross section of each clamping groove, and the clamping blocks are fixedly connected with the studs.
Compared with the prior art, the invention has the beneficial effects that:
(1) through having designed the locating piece of installing at bracing piece end surface and installing the second auricle at locating piece top surface and installing the first auricle at first crossbeam top surface, be convenient for through fastening bolt's effect with the rigidity of bracing piece, through having designed the sleeve of installing at second lantern ring surface and installing the second spring at the sleeve internal surface, be convenient for carry out the shock attenuation to first connecting rod through the effect of second spring, thereby the stability of tup work has been guaranteed, thereby realized being convenient for guarantee the stability that first connecting rod removed, the accurate striking of the tup of being convenient for, the function of work efficiency is improved.
(2) Through having designed and installed at the stopper of slide bar top surface and installing the first spring at the slide bar surface to and install the bottom plate at slide bar bottom surface, be convenient for carry out the shock attenuation to the bottom plate through the effect of first spring, thereby realized carrying out the shock attenuation to the tup, reduced the function that the impact force caused the damage to the connecting rod.
(3) Through the design install at double-screw bolt, the fixture block of tup top surface and set up at the draw-in groove of bottom plate top surface and with double-screw bolt threaded connection's nut, be convenient for fix the tup to realized being convenient for fixed tup, the function of the dismantlement and the change of the tup of being convenient for.
Drawings
FIG. 1 is a schematic perspective view of a pile driver according to the present invention;
FIG. 2 is a schematic structural view of a main view of the pile driver of the present invention;
FIG. 3 is a schematic perspective view of the shock absorbing mechanism of the present invention;
FIG. 4 is a schematic structural view of a cross section of a pile driver of the present invention;
FIG. 5 is an enlarged, fragmentary, schematic structural view taken at A in FIG. 4 in accordance with the present invention;
in the figure: 1. a support leg; 2. a hammer head; 3. a rubber pad; 4. a base plate; 5. a first cross member; 6. fastening a bolt; 7. a first tab; 8. a second tab; 9. a second cross member; 10. a top plate; 11. a drive device; 12. a first pulley; 13. a belt; 14. a second pulley; 15. a bearing seat; 16. a rotating shaft; 17. positioning blocks; 18. a first link; 19. a second link; 20. a third link; 21. a first collar; 22. a connecting shaft; 23. a turntable; 24. a second collar; 25. a sleeve; 26. a support bar; 27. a first spring; 28. a slide bar; 29. a support plate; 30. a limiting block; 31. a second spring; 32. a clamping block; 33. a card slot; 34. a gasket; 35. a nut; 36. a stud.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a pile driver for civil engineering: a pile driver for civil engineering comprises a supporting leg 1, a hammer head 2, a first cross beam 5, a first connecting rod 18, a guide mechanism arranged on the top end surface of the first cross beam 5, a damping mechanism arranged on the bottom end surface of the first connecting rod 18 and a fixing mechanism arranged on the top end surface of the hammer head 2, wherein the guide mechanism comprises a supporting rod 26, the supporting rod 26 is arranged on one side surface of the first cross beam 5, a positioning block 17 is arranged on one side surface of the supporting rod 26 opposite to the first cross beam 5, a second lug 8 is arranged on the top end surface of the positioning block 17, the positioning block 17 is connected with the second lug 8 in a welding mode, a first lug 7 is arranged on the top end surface of the first cross beam 5, the first cross beam 5 is fixedly connected with the first lug 7, in order to fix and install the supporting rod 26, the specification of the first lug 7 is consistent with that of the second lug 8, a fastening bolt, the external screw thread has been seted up to fastening bolt 6's surface, the internal thread has been seted up to the internal surface of second auricle 8, and the internal thread and the first crossbeam 5 fixed connection of bracing piece 26 internal surface through the external screw thread of fastening bolt 6 surface closure second auricle 8 internal surface, the surface of bracing piece 26 is provided with sleeve 25, in order to guarantee the stability of first connecting rod 18 removal, sleeve 25 is equipped with two altogether, two sleeve 25 arrange around the axis equidistance of second lantern ring 24, sleeve 25's internal surface is provided with second spring 31, and equal fixed connection between second spring 31 and sleeve 25 and the bracing piece 26, sleeve 25's one end surface is provided with second lantern ring 24, and sleeve 25 registrates first connecting rod 18 and first connecting rod 18 swing joint through second lantern ring 24.
As shown in fig. 1 and fig. 3, the detail structure of the damping mechanism of the device is shown in the drawing, in order to reduce the impact force to damage the connecting rods and prolong the service life of the components, the damping mechanism includes a supporting plate 29, the supporting plate 29 is disposed on the bottom end surface of the first connecting rod 18, a through hole is formed in the top end surface of the supporting plate 29, a sliding rod 28 is disposed in the through hole, in order to ensure the stability of the device and prolong the service life of the device, four sliding rods 28 are disposed, the four sliding rods 28 are equidistantly arranged around the axis of the bottom plate 4, a limiting block 30 is disposed on the top end surface of the sliding rod 28, the bottom plate 4 is disposed on the bottom end surface of the sliding rod 28, the sliding rod 28 is fixedly connected with the bottom plate 4, a first spring 27 is disposed on the.
As shown in fig. 5, the detail structure of the installation of the hammer 2 is shown in the figure, so that the hammer 2 is conveniently fixed, and the disassembly and replacement of the hammer 2 are convenient, the fixing mechanism comprises a stud 36, the stud 36 is provided with the top end surface of the hammer 2, a clamping block 32 is arranged at the edge of the outer surface of the stud 36, the cross section size of the clamping block 32 is the same as that of the clamping groove 33, the clamping block 32 is fixedly connected with the stud 36, the top end surface of the bottom plate 4 is provided with the clamping groove 33, the hammer 2 is movably connected with the bottom plate 4 through the clamping groove 33 in a clamping manner, a rubber pad 3 is arranged between the hammer 2 and the bottom plate 4, the outer surface of the stud 36 is provided with a nut 35, a washer 34 is arranged between the nut, and the hammer head 2 is fixedly connected with the bottom plate 4 through the external thread on the outer surface of the stud 36 and the internal thread on the inner surface of the nut 35.
As shown in fig. 1 and 2, in order to support the second collar 24, the first beam 5 is disposed on the rear end surface of the leg 1, the top end surface of the leg 1 is provided with a top plate 10, the rear end surface of the leg 1 is fixedly provided with the second beam 9, the top end surface of the second beam 9 is provided with a bearing seat 15, the inner surface of the bearing seat 15 is provided with a rotating shaft 16, one end surface of the rotating shaft 16 is provided with a second pulley 14, the top end surface of the top plate 10 is provided with a driving device 11, the outer surface edge of the driving device 11 is provided with a first pulley 12, a belt 13 is disposed between the first pulley 12 and the second pulley 14, the other end surface of the rotating shaft 16 is provided with a turntable 23, the edge of the other end surface of the turntable 23 is provided with a connecting shaft 22, the outer surface of the connecting shaft 22 is provided with a first collar 21, the outer surface of the first collar 21 is, the third connecting rod 20 is connected with the second connecting rod 19 through a hinged bolt, and the second connecting rod 19 is connected with the first connecting rod 18 through a hinged thread.
The working principle and the using process of the invention are as follows: when the device works, due to the work of the first connecting rod 18, the first connecting rod 18 moves up and down along the axis of the second lantern ring 24 under the action of the second lantern ring 24 to drive the hammer head 2 to move, so that the first connecting rod 18 vibrates, the first connecting rod 18 drives the second lantern ring 24 to slightly deflect, the sleeve 25 extrudes the second spring 31, the second spring 31 is in a compression state, the rebound force is generated, the first connecting rod 18 is damped, and the stability of the first connecting rod 18 is guaranteed while the vertical movement of the first connecting rod 18 is guaranteed; when the hammer head 2 hammers the pile body, the impact force generated by the hammer head 2 drives the bottom plate 4 to move, the movement of the bottom plate 4 drives the sliding rod 28 to move, and meanwhile, the bottom plate 4 extrudes the first spring 27, so that the bottom plate 4 is damped, the hammer head 2 is damped, and parts are prevented from being damaged due to impact; when the hammer head 2 needs to be installed, the hammer head 2 is moved, the clamping block 32 is clamped with the clamping groove 33, the nut 35 is rotated, the nut 35 is screwed with the stud 36, and therefore the position of the hammer head 2 is fixed; when the hammer is in work, the driving device 11 is started, the rotation of the driving device 11 drives the first belt wheel 12 to rotate, the first belt wheel 12 drives the second belt wheel 14 to rotate through the belt 13, the rotation of the second belt wheel 14 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the rotating disc 23 to rotate, the rotating disc 23 drives the connecting shaft 22 to do circumferential telemotion around the axis of the rotating disc 23, and through the action of the third connecting rod 20 and the second connecting rod 19, the connecting shaft 22 drives the first connecting rod 18 to move up and down along the axis of the second lantern ring 24, so that the hammer head 2 hammers the pile body.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a pile driver for civil engineering, includes landing leg (1), tup (2), first crossbeam (5), first connecting rod (18), install at the guiding mechanism of first crossbeam (5) top surface and install at the damper of first connecting rod (18) bottom surface and install the fixed establishment at tup (2) top surface, its characterized in that: the guide mechanism comprises a support rod (26), the support rod (26) is arranged on one side surface of the first cross beam (5), a positioning block (17) is arranged on one side surface of the support rod (26) opposite to the first cross beam (5), a second lug piece (8) is arranged on the top end surface of the positioning block (17), a first lug piece (7) is arranged on the top end surface of the first cross beam (5), a fastening bolt (6) is arranged on the inner surface of the first lug piece (7), an external thread is arranged on the outer surface of the fastening bolt (6), an internal thread is arranged on the inner surface of the second lug piece (8), the support rod (26) is screwed with the internal thread on the inner surface of the second lug piece (8) through the external thread on the outer surface of the fastening bolt (6) to be fixedly connected with the first cross beam (5), and a sleeve (25) is arranged on the, the inner surface of the sleeve (25) is provided with a second spring (31), the second spring (31) is fixedly connected with the sleeve (25) and the supporting rod (26), a second sleeve ring (24) is arranged on the surface of one end of the sleeve (25), and the sleeve (25) is sleeved with the first connecting rod (18) through the second sleeve ring (24) and is movably connected with the first connecting rod (18).
2. Pile driver for civil engineering according to claim 1, characterised in that: the damping mechanism comprises a supporting plate (29), the supporting plate (29) is arranged on the bottom end surface of the first connecting rod (18), a through hole is formed in the top end surface of the supporting plate (29), a sliding rod (28) is arranged in the through hole, a limiting block (30) is arranged on the top end surface of the sliding rod (28), a bottom plate (4) is arranged on the bottom end surface of the sliding rod (28), a first spring (27) is arranged on the outer surface of the sliding rod (28), and the first spring (27) is fixedly connected with the bottom plate (4) and the supporting plate (29).
3. Pile driver for civil engineering according to claim 1, characterised in that: the fixing mechanism comprises a stud (36), the stud (36) is provided with the top end surface of the hammer head (2), a clamping block (32) is arranged at the edge of the outer surface of the stud (36), a clamping groove (33) is formed in the top end surface of the bottom plate (4), the hammer head (2) is movably connected with the bottom plate (4) through a clamping groove (33) clamping a clamping block (32), a rubber pad (3) is arranged between the hammer head (2) and the bottom plate (4), the outer surface of the stud (36) is provided with a nut (35), a washer (34) is arranged between the nut (35) and the bottom plate (4), the inner surface of the nut (35) is provided with internal threads, the outer surface of the stud (36) is provided with external threads, and the hammer head (2) is fixedly connected with the bottom plate (4) through an internal thread on the inner surface of an external thread screwing nut (35) on the outer surface of the stud (36).
4. Pile driver for civil engineering according to claim 1, characterised in that: the supporting leg structure is characterized in that the first cross beam (5) is arranged on the rear end surface of the supporting leg (1), a top plate (10) is arranged on the top end surface of the supporting leg (1), a second cross beam (9) is fixedly arranged on the rear end surface of the supporting leg (1), a bearing seat (15) is arranged on the top end surface of the second cross beam (9), a rotating shaft (16) is arranged on the inner surface of the bearing seat (15), a second belt wheel (14) is arranged on one end surface of the rotating shaft (16), a driving device (11) is arranged on the top end surface of the top plate (10), a first belt wheel (12) is arranged on the edge of the outer surface of the driving device (11), a belt (13) is arranged between the first belt wheel (12) and the second belt wheel (14), a rotating disc (23) is arranged on the other end surface of the rotating shaft (16), and a connecting, the outer surface of the connecting shaft (22) is provided with a first sleeve ring (21), the outer surface of the first sleeve ring (21) is provided with a third connecting rod (20), one side surface of the third connecting rod (20) is provided with a second connecting rod (19), the third connecting rod (20) is connected with the second connecting rod (19) through a hinged bolt, and the second connecting rod (19) is connected with the first connecting rod (18) through a hinged thread.
5. Pile driver for civil engineering according to claim 1, characterised in that: the size of the first lug (7) is consistent with that of the second lug (8), a groove is formed in the top end surface of the first cross beam (5), the sectional dimension of the groove is the same as that of the positioning block (17), the positioning block (17) is connected with the second lug (8) in a welding mode, and the first cross beam (5) is fixedly connected with the first lug (7).
6. Pile driver for civil engineering according to claim 1, characterised in that: the two sleeves (25) are arranged at equal intervals around the axis of the second sleeve ring (24), the cross-sectional dimension of the inner surface of the second sleeve ring (24) is the same as that of the outer surface of the first connecting rod (18), and the first connecting rod (18) is connected with the second sleeve ring (24) in a sliding mode.
7. Pile driver for civil engineering according to claim 1, characterised in that: the cross-sectional dimension of the inner surface of the sleeve (25) is the same as that of the outer surface of the support rod (26), the sleeve (25) is in sliding connection with the support rod (26), and the axis of the sleeve (25) is coincident with that of the support rod (26).
8. Pile driver for civil engineering according to claim 2, characterised in that: the sliding rods (28) are four in number, the four sliding rods (28) are arranged around the axis of the bottom plate (4) at equal intervals, and the cross section of each through hole is the same as that of each sliding rod (28).
9. Pile driver for civil engineering according to claim 2, characterised in that: the cross-sectional dimension of stopper (30) surface is greater than the cross-sectional dimension of through-hole, fixed connection between stopper (30) and slide bar (28), fixed connection between slide bar (28) and bottom plate (4).
10. Pile driver for civil engineering according to claim 3, characterised in that: the number of the clamping blocks (32) is two, the two clamping blocks (32) are arranged around the axis of the stud (36) at equal intervals, the size of the cross section of each clamping block (32) is the same as that of the cross section of the clamping groove (33), and the clamping blocks (32) are fixedly connected with the studs (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010511521.9A CN111608178A (en) | 2020-06-08 | 2020-06-08 | Pile driver for civil engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010511521.9A CN111608178A (en) | 2020-06-08 | 2020-06-08 | Pile driver for civil engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111608178A true CN111608178A (en) | 2020-09-01 |
Family
ID=72194980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010511521.9A Withdrawn CN111608178A (en) | 2020-06-08 | 2020-06-08 | Pile driver for civil engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111608178A (en) |
-
2020
- 2020-06-08 CN CN202010511521.9A patent/CN111608178A/en not_active Withdrawn
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|---|---|---|---|
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200901 |
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| WW01 | Invention patent application withdrawn after publication |