CN213117271U - Buffer device connected with pile cap for hydraulic impact hammer - Google Patents
Buffer device connected with pile cap for hydraulic impact hammer Download PDFInfo
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- CN213117271U CN213117271U CN202021893506.7U CN202021893506U CN213117271U CN 213117271 U CN213117271 U CN 213117271U CN 202021893506 U CN202021893506 U CN 202021893506U CN 213117271 U CN213117271 U CN 213117271U
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- cylinder body
- impact hammer
- pile cap
- hydraulic impact
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Abstract
The utility model relates to a hydraulic percussion hammer is with buffer who is connected with pile cap, including the base, its characterized in that, base fixed mounting has the cylinder body that links with piston assembly, be equipped with piston assembly in the cylinder body and can make reciprocating linear motion's cavity along its axis, cylinder body end seal is connected with aerifys the block, it is equipped with the side opening that switches on with the cavity in the cylinder body to aerify block one side, the beneficial effects of the utility model are that: the buffering device connected with the pile cap for the hydraulic impact hammer can absorb impact with different strengths by adjusting the inflation pressure, protect the hydraulic impact hammer and prolong the service life.
Description
Technical Field
The utility model relates to a hydraulic pile driver equipment technical field, concretely relates to hydraulic impact hammer is with buffer who is connected with pile cap.
Background
At present, in the building construction process, in order to make the building foundation firm, often need use pile foundation construction equipment, for example hydraulic impact hammer, mainly promote the hammer core to certain height through hydraulic means and then release fast, on the pile cap of following drop impact mode direct action hydraulic hammer, pound into ground depths with the stake of materials such as stake or stone pile. Because the acting force of the hammer core of the hydraulic impact hammer on the pile cap is very large, the pile is very difficult to pile in the pile driving process, especially when the geological condition is severe, and if the impact energy is not absorbed, the structure of the hammer body and the pile cap can be damaged.
In order to solve the problem that the hammer body of the hydraulic impact hammer is damaged due to the counterforce of the hammer body, a buffering device is usually designed in the prior art, for example, the utility model with the publication number of "CN 209798750U" discloses a hydraulic hammer buffering and protecting device which comprises a buffering pad and an upper limiting block, wherein the buffering pad is positioned on the upper surface of the edge of the upper end of a pile cap seat at the inner side of a frame, the upper limiting block is positioned on one side of the buffering pad, the height of the upper limiting block is lower than that of the buffering pad, and the texture of the upper limiting block is harder than; the lower cushion pad is arranged on the lower surface of the inner side of the pile cap seat of the impact hammer and the edge of the upper end of the pile cap seat of the impact hammer, so that damage to equipment caused by high-speed rebound of a hard geology and the hollowing of the hydraulic hammer can be well avoided, and the service life of the equipment is prolonged.
Among the above-mentioned technical scheme, mainly utilize the buffer block to go to realize buffering and inhale the effect of shake, and the buffer block can produce fatigue hardening after extrusion atress deformation repeatedly many times, and the effect descends gradually, treats after the spent, needs to dismantle and change again, wastes time and energy, and cost of maintenance is higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, provide a hydraulic impact hammer with the buffer who is connected with the pile cap, through adjusting pneumatic pressure, can absorb the impact of different intensity, protect hydraulic impact hammer, increase of service life.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a hydraulic impact hammer is with buffer who is connected with pile cap, includes the base, its characterized in that, base fixed mounting has the cylinder body with the piston assembly linkage, be equipped with piston assembly in the cylinder body and can make reciprocating linear motion's cavity along its axis, cylinder body end sealing connection has the inflation block, inflation block one side is equipped with the side opening that switches on with the cavity in the cylinder body.
Adopt above-mentioned technical scheme, the base is used for realizing fixed connection with the pile cap, aerifys the block through setting up at the cylinder body tip, aerifys and set up the side opening that can switch on with the cavity on the block, but the air inlet unit is connected to the side opening, only need to aerify toward the intracavity admits air through the side opening, and inert gas such as nitrogen gas can be chooseed for use to gas, avoids corroding spare parts such as cylinder body, through external manometer, can confirm the inflation pressure, utilizes the impact force that gas can absorb different intensity, compares and adopts the blotter among the prior art, and this technical scheme buffering effect is better, and does not have the tired impaired condition, need not to dismantle the change, and the maintenance coefficient is low.
The above-mentioned hydraulic impact hammer can further be arranged as follows: the other end of the cylinder body, which is opposite to the connecting inflation cover cap, is provided with a guide supporting mechanism which can be linked with the piston assembly.
The above-mentioned hydraulic impact hammer can further be arranged as follows: the guide supporting mechanism comprises a metal sleeve which is fixedly arranged in the cavity of the cylinder body and is linked with the piston assembly, and a positioning assembly capable of positioning the metal sleeve is arranged on the side face of the cylinder body.
The above-mentioned hydraulic impact hammer can further be arranged as follows: the positioning assembly comprises a set screw with one end connected with the outer wall of the metal sleeve in an abutting mode.
By adopting the technical scheme, the guide supporting mechanism can play a role of guide supporting when the piston rod is loaded, the situation that the piston rod deflects due to inflation, loading and the like is avoided, the metal sleeve can adopt the copper sleeve, the positioning assembly aims to fix the position of the metal sleeve and prevent the metal sleeve from moving along with the piston rod due to the driving of the piston rod, the set screw belongs to a standard component, and the interchangeability is high.
The above-mentioned hydraulic impact hammer can further be arranged as follows: and one end of the cylinder body, which is positioned at the metal sleeve, is provided with a limiting surface.
By adopting the technical scheme, the limiting surface can position the axis direction of the metal sleeve, so that the metal sleeve is convenient to install and position.
The above-mentioned hydraulic impact hammer can further be arranged as follows: the inflatable cap is provided with a flange surface, and the flange surface is detachably connected with the base through a screw.
By adopting the technical scheme, the flange surface is arranged, so that the inflatable cap is connected with the base conveniently.
The above-mentioned hydraulic impact hammer can further be arranged as follows: and a plurality of groups of sealing rings are arranged between the inflating cover cap and the cylinder body.
By adopting the technical scheme, through the arrangement of the sealing ring, the sealing connection between the inflation cap and the cylinder body is realized, air leakage is avoided, and the buffering performance is further improved.
The utility model has the advantages that: by adopting the technical scheme, the base is used for fixedly connecting with the pile cap, the inflation cap and the side hole are arranged at the end part of the cylinder body, the air inlet device is connected through the side hole, the impact force with different strengths is absorbed by utilizing gas through an external pressure gauge, and the buffering effect is achieved; the guide support mechanism is further arranged, so that the guide support effect can be achieved when the piston rod is loaded, the piston rod is prevented from deflecting, the position of the metal sleeve can be fixed by arranging the positioning assembly, the movement of the metal sleeve along with the piston rod due to the driving of the piston rod is avoided, the positioning assembly selects a set screw, belongs to a standard component, and is high in interchangeability; the periphery of the inflatable cap is provided with a flange surface, so that the inflatable cap is conveniently connected with the base; through setting up the sealing washer, the leakproofness between cap and the cylinder body is aerifyd in the guarantee, avoids gas leakage, further promotes shock-absorbing capacity.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present invention.
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 obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, a hydraulic impact hammer is with buffer device connected with pile cap, including base 1, base 1 fixed mounting has cylinder body 2 with the linkage of piston assembly 3, be equipped with piston assembly 3 along its axis cavity 21 that can make reciprocal linear motion in cylinder body 2, cylinder body 2 end sealing connection has inflatable cap 4, be equipped with multiunit sealing washer 5 between inflatable cap 4 and the cylinder body 2, inflatable cap 4 one side is equipped with side opening 41 that switches on with cavity 21 in cylinder body 2, inflatable cap 4 is equipped with flange face 42, flange face 42 can be dismantled with base 1 through the screw and be connected, cylinder body 2 is equipped with the direction supporting mechanism that can link with piston assembly 3 for connecting inflatable cap 4 other end, direction supporting mechanism includes fixed mounting in cavity 21 of cylinder body 2 and metal covering 6 with the linkage of piston assembly 3, cylinder body 2 is located 6 one ends of metal covering and is equipped with spacing face 22, 2 sides of cylinder body are equipped with the locating component that can fix a position 6 metal covering, locating component includes that one end contradicts the holding screw 23 of being connected with 6 outer walls of metal covering.
Claims (7)
1. The utility model provides a hydraulic pressure jump bit is with buffer who is connected with pile cap, includes the base, its characterized in that: the base fixed mounting has the cylinder body with the piston assembly linkage, be equipped with the cavity that piston assembly can make reciprocating linear motion along its axis in the cylinder body, cylinder body end sealing connection has the inflatable cap, inflatable cap one side is equipped with the side opening that switches on with the cavity in the cylinder body.
2. The buffering device for a hydraulic impact hammer connected to a pile cap according to claim 1, wherein: the other end of the cylinder body, which is opposite to the connecting inflation cover cap, is provided with a guide supporting mechanism which can be linked with the piston assembly.
3. The buffering device for a hydraulic impact hammer connected to a pile cap according to claim 2, wherein: the guide supporting mechanism comprises a metal sleeve which is fixedly arranged in the cavity of the cylinder body and is linked with the piston assembly, and a positioning assembly capable of positioning the metal sleeve is arranged on the side face of the cylinder body.
4. The buffering device for a hydraulic impact hammer connected to a pile cap according to claim 3, wherein: the positioning assembly comprises a set screw with one end connected with the outer wall of the metal sleeve in an abutting mode.
5. The buffering device for a hydraulic impact hammer connected to a pile cap according to claim 3, wherein: and one end of the cylinder body, which is positioned at the metal sleeve, is provided with a limiting surface.
6. The buffering device for a hydraulic impact hammer connected to a pile cap according to claim 1, wherein: the inflatable cap is provided with a flange surface, and the flange surface is detachably connected with the base through a screw.
7. The buffering device for a hydraulic impact hammer connected to a pile cap according to claim 1, wherein: and a plurality of groups of sealing rings are arranged between the inflating cover cap and the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021893506.7U CN213117271U (en) | 2020-09-02 | 2020-09-02 | Buffer device connected with pile cap for hydraulic impact hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021893506.7U CN213117271U (en) | 2020-09-02 | 2020-09-02 | Buffer device connected with pile cap for hydraulic impact hammer |
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| Publication Number | Publication Date |
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| CN213117271U true CN213117271U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021893506.7U Active CN213117271U (en) | 2020-09-02 | 2020-09-02 | Buffer device connected with pile cap for hydraulic impact hammer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704578A (en) * | 2022-03-31 | 2022-07-05 | 北京航空航天大学 | Vibration reduction ball head screw rod for pneumatic altitude valve |
-
2020
- 2020-09-02 CN CN202021893506.7U patent/CN213117271U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704578A (en) * | 2022-03-31 | 2022-07-05 | 北京航空航天大学 | Vibration reduction ball head screw rod for pneumatic altitude valve |
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