CN214945409U - Square box telescopic sleeve type oil cylinder for pile driver - Google Patents
Square box telescopic sleeve type oil cylinder for pile driver Download PDFInfo
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- CN214945409U CN214945409U CN202121255102.XU CN202121255102U CN214945409U CN 214945409 U CN214945409 U CN 214945409U CN 202121255102 U CN202121255102 U CN 202121255102U CN 214945409 U CN214945409 U CN 214945409U
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Abstract
The utility model discloses a flexible shell type hydro-cylinder of square box for pile driver, including the piston rod, the outer wall connection of piston rod has outer box, and the bottom inner wall of outer box installs interior box, the bottom inner wall connection of interior box has the big chamber of hydro-cylinder, and the bottom fixed mounting of interior box has the bulb, the hydro-cylinder loculus is installed at the top in the big chamber of hydro-cylinder, and the hydro-cylinder loculus is at the interior wall connection of piston rod, the top in the small chamber of hydro-cylinder is connected with the business turn over oilhole. The utility model discloses in, through the outer wall installation of interior box and outer box at the piston rod, and make the big chamber of hydro-cylinder and the effect that the hydro-cylinder loculus corresponds the setting, make interior box and outer box stretch out and draw back or open the time at the hydro-cylinder and protect the piston rod all the time, make the piston rod can protect in the square box, avoided in the work progress because of colliding with the hydro-cylinder damage that causes the piston rod, the effectual hydro-cylinder that has prevented receives external force to cause the hydro-cylinder oil leak in the course of the work, the stability and the security that the stake machine supported have been guaranteed, and landing leg hydro-cylinder life-span has been prolonged.
Description
Technical Field
The utility model relates to a pile driver technical field especially relates to a flexible shell type hydro-cylinder of square box for pile driver.
Background
The pile driver comprises a pile hammer, a pile frame, auxiliary equipment and the like, wherein the pile hammer is attached between two parallel vertical guide rods at the front part of the pile frame and is lifted by a lifting hook, the pile frame is a steel structure tower frame, a winch is arranged at the rear part of the pile frame and is used for lifting the pile and the pile hammer, and a guide frame consisting of two guide rods is arranged in front of the pile frame and is used for controlling the pile driving direction so that the pile can accurately penetrate into the stratum according to the designed direction.
When the oil cylinder for the hydraulic support leg of the existing pile driver is used, a piston rod directly mounted on the oil cylinder is exposed outside, the oil cylinder is easily damaged by being scratched or collided by broken stones in the construction process, the service life of the oil cylinder is short, the use cost is high, the hydraulic support leg is easy to work unstably, the safety is low, and the working quality of the pile driver is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving current pile driver hydro-cylinder for hydraulic leg, when using, the piston rod of direct mount at the hydro-cylinder exposes externally, is caused destruction to the hydro-cylinder by the rubble fish tail or colliding with in the work progress easily, and the life that leads to the hydro-cylinder is short, and use cost is high to cause hydraulic leg job stabilization easily, the security is low, has influenced the operating mass's of pile driver shortcoming, and the flexible shell type hydro-cylinder of square box for pile driver that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a flexible shell type hydro-cylinder of square box for pile driver, includes the piston rod, the outer wall connection of piston rod has outer box, and the bottom inner wall of outer box installs interior box, the bottom inner wall connection of interior box has the big chamber of hydro-cylinder, and the bottom fixed mounting of interior box has the bulb, the hydro-cylinder loculus is installed at the top in the big chamber of hydro-cylinder, and the hydro-cylinder loculus is at the inner wall connection of piston rod, the top in hydro-cylinder loculus is connected with the business turn over oilhole, the hydro-cylinder pinhole has been seted up on the top of piston rod, the outer wall connection of outer box has the coupling flange.
As a further description of the above technical solution:
the outer box forms a telescopic structure through the piston rod and the inner box, and the central axis of the inner box coincides with the central axis of the piston rod.
As a further description of the above technical solution:
the axis of the big cavity of the oil cylinder coincides with the axis of the inner box, and the axis of the inner box coincides with the axis of the ball head.
As a further description of the above technical solution:
the axis of outer box coincides with the axis of interior box mutually, and the axis of outer box coincides with the axis of hydro-cylinder pinhole mutually.
As a further description of the above technical solution:
the central axis of the outer box coincides with the central axis of the connecting flange, and the cross-sectional area of the outer box is larger than that of the inner box.
As a further description of the above technical solution:
the central axis of the small oil cylinder cavity coincides with the central axis of the large oil cylinder cavity, and the large oil cylinder cavity is connected with the bottom end of the piston rod.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses in, through the outer wall installation of interior box and outer box at the piston rod, and make the big chamber of hydro-cylinder and the effect that the hydro-cylinder loculus corresponds the setting, make interior box and outer box stretch out and draw back or open the time at the hydro-cylinder and protect the piston rod all the time, make the piston rod can protect in the square box, avoided in the work progress because of colliding with the hydro-cylinder damage that causes the piston rod, the effectual hydro-cylinder that has prevented receives external force to cause the hydro-cylinder oil leak in the course of the work, the stability and the security that the stake machine supported have been guaranteed, and landing leg hydro-cylinder life-span has been prolonged.
Drawings
Fig. 1 is a schematic drawing of a drawing cross-sectional structure of a square box telescopic sleeve type oil cylinder for a pile driver in the present invention;
fig. 2 is a schematic view of a compression section structure of a square box telescopic sleeve type oil cylinder for a pile driver in the present invention;
fig. 3 is the utility model discloses a pile driver is with overlooking structure schematic diagram of flexible shell type hydro-cylinder of square box.
Illustration of the drawings:
1. a piston rod; 2. an outer box; 3. an inner case; 4. a large cavity of the oil cylinder; 5. a ball head; 6. a small cavity of the oil cylinder; 7. an oil inlet and outlet; 8. an oil cylinder pin hole; 9. a coupling flange.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, a square box telescopic sleeve type oil cylinder for a pile driver comprises a piston rod 1, an outer box 2, an inner box 3, an oil cylinder large cavity 4, a ball head 5, an oil cylinder small cavity 6, an oil inlet and outlet hole 7, an oil cylinder pin hole 8 and a connecting flange 9, wherein the outer wall of the piston rod 1 is connected with the outer box 2, and the inner wall of the bottom of the outer box 2 is provided with an inner box 3, the inner wall of the bottom of the inner box 3 is connected with a big cavity 4 of an oil cylinder, and the bottom end of the inner box 3 is fixedly provided with a ball head 5, the top of the oil cylinder large cavity 4 is provided with an oil cylinder small cavity 6, the small oil cylinder cavity 6 is connected with the inner wall of the piston rod 1, the top of the small oil cylinder cavity 6 is connected with an oil inlet and outlet hole 7, the top end of the piston rod 1 is provided with an oil cylinder pin hole 8, the outer wall of the outer box 2 is connected with a connecting flange 9, and the oil inlet and outlet hole 7 is respectively connected with the small oil cylinder cavity 6 and the large oil cylinder cavity 4, so that hydraulic oil can conveniently enter the piston rod 1.
Further, outer box 2 constitutes extending structure through between piston rod 1 and the interior box 3, and the axis of interior box 3 coincides mutually with the axis of piston rod 1, through being connected at outer box 2 and the 1 top of piston rod, makes outer box 2 drive piston rod 1 and interior box 3 stretch to make piston rod 1 tensile.
Furthermore, the central axis of the large oil cylinder cavity 4 coincides with the central axis of the inner box 3, the central axis of the inner box 3 coincides with the central axis of the ball head 5, and the telescopic state of the oil cylinder is controlled by controlling the internal hydraulic oil of the large oil cylinder cavity 4, so that the working quality of the oil cylinder is ensured.
Further, the axis of outer box 2 coincides with the axis of interior box 3 mutually, and the axis of outer box 2 coincides with the axis of hydro-cylinder pinhole 8 mutually, through outer box 2 with interior box 3's setting, has adopted the flexible shell formula hydro-cylinder of square box, makes piston rod 1 can protect in the square box, has avoided damaging the hydro-cylinder that causes piston rod 1 because of colliding with in the work progress, has prolonged landing leg hydro-cylinder life.
Further, the axis of outer box 2 coincides with the axis of coupling flange 9 mutually, and the cross-sectional area of outer box 2 is big than the cross-sectional area of interior box 3, and coupling flange 9 makes the installation of hydro-cylinder convenient and fast more, is convenient for guarantee the assembly efficiency of pile driver, reduction in production cost.
Further, the axis of the small cylinder cavity 6 coincides with the axis of the large cylinder cavity 4, and the large cylinder cavity 4 is connected with the bottom end of the piston rod 1, and the piston rod 1 is moved inside the inner box 3 and the outer box 2, so that the inner box 3 and the outer box 2 always protect the piston rod 1 when the cylinder stretches out and draws back or opens, and the piston rod 1 is protected in the square box.
The working principle is as follows: during the use, when hydraulic oil gets into the big chamber of hydro-cylinder 4 through business turn over oilhole 7, through being connected at outer box 2 and piston rod 1 top, make outer box 2 drive piston rod 1 and interior box 3 stretch, thereby make piston rod 1 tensile, when hydraulic oil flows back through business turn over oilhole 7, make piston rod 1 activity down, thereby make the hydro-cylinder compression, box 3 and the inside activity of outer box 2 including through piston rod 1, make interior box 3 and outer box 2 stretch out and draw back or protect piston rod 1 all the time when opening at the hydro-cylinder, make piston rod 1 can protect in the square box, the hydro-cylinder damage because of colliding with and leading to the fact piston rod 1 in having avoided the work progress, the effectual hydro-cylinder that has prevented receives external force to cause the hydro-cylinder oil leak in the course of the work, the stability and the security that the stake machine supported have been guaranteed, just so accomplish the theory of operation of the device.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a flexible shell type hydro-cylinder of square box for pile driver, includes piston rod (1), its characterized in that: the outer wall connection of piston rod (1) has outer box (2), and the bottom inner wall of outer box (2) installs interior box (3), the bottom inner wall connection of interior box (3) has big chamber of hydro-cylinder (4), and the bottom fixed mounting of interior box (3) has bulb (5), hydro-cylinder loculus (6) are installed at the top in the big chamber of hydro-cylinder (4), and hydro-cylinder loculus (6) at the inner wall connection of piston rod (1), the top in hydro-cylinder loculus (6) is connected with business turn over oilhole (7), hydro-cylinder pinhole (8) have been seted up on the top of piston rod (1), the outer wall connection of outer box (2) has coupling flange (9).
2. The square box telescopic sleeve type oil cylinder for the pile driver as claimed in claim 1, wherein: the outer box (2) forms a telescopic structure with the inner box (3) through the piston rod (1), and the central axis of the inner box (3) coincides with the central axis of the piston rod (1).
3. The telescopic sleeve type oil cylinder for the square box of the pile driver as claimed in claim 1, wherein the central axis of the large cavity (4) of the oil cylinder coincides with the central axis of the inner box (3), and the central axis of the inner box (3) coincides with the central axis of the ball head (5).
4. The square box telescopic sleeve type oil cylinder for the pile driver as claimed in claim 1, wherein: the axis of outer box (2) coincides with the axis of interior box (3), and the axis of outer box (2) coincides with the axis of hydro-cylinder pinhole (8).
5. The square box telescopic sleeve type oil cylinder for the pile driver as claimed in claim 1, wherein: the central axis of the outer box (2) coincides with the central axis of the connecting flange (9), and the cross-sectional area of the outer box (2) is larger than that of the inner box (3).
6. The square box telescopic sleeve type oil cylinder for the pile driver as claimed in claim 1, wherein: the central axis of the small oil cylinder cavity (6) coincides with the central axis of the large oil cylinder cavity (4), and the large oil cylinder cavity (4) is connected with the bottom end of the piston rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121255102.XU CN214945409U (en) | 2021-06-07 | 2021-06-07 | Square box telescopic sleeve type oil cylinder for pile driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121255102.XU CN214945409U (en) | 2021-06-07 | 2021-06-07 | Square box telescopic sleeve type oil cylinder for pile driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214945409U true CN214945409U (en) | 2021-11-30 |
Family
ID=79055875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121255102.XU Active CN214945409U (en) | 2021-06-07 | 2021-06-07 | Square box telescopic sleeve type oil cylinder for pile driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214945409U (en) |
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2021
- 2021-06-07 CN CN202121255102.XU patent/CN214945409U/en active Active
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