CN210194594U - Dynamic compaction hammer head with increasing pulling force demand - Google Patents
Dynamic compaction hammer head with increasing pulling force demand Download PDFInfo
- Publication number
- CN210194594U CN210194594U CN201920878777.6U CN201920878777U CN210194594U CN 210194594 U CN210194594 U CN 210194594U CN 201920878777 U CN201920878777 U CN 201920878777U CN 210194594 U CN210194594 U CN 210194594U
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- piston rod
- ring
- dynamic compaction
- oil
- cylinder sleeve
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Abstract
The utility model discloses a carry dynamic compaction tup that pulling force demand increases progressively, include: the flexible lifting assembly comprises a flexible lifting assembly, a chassis, a limiting ring and a balance weight ring, wherein a first piston rod is arranged in a cylinder sleeve, a connecting rod is arranged at the bottom of the first piston rod, a second piston rod is arranged at the bottom of the connecting rod, a stepped hole is formed in the limiting ring, a floating limiting plate located in the stepped hole is arranged at the bottom of the second piston rod, an oil ring corresponding to the outer circle of the connecting rod is arranged on the inner wall of the cylinder sleeve in a protruding mode, a first oil cavity is formed between the oil ring and the first piston rod, a second oil cavity is formed between the oil ring and the second piston rod, hydraulic oil is arranged in the second oil cavity, and micropores are axially arranged on. In this way, carry dynamic compaction tup that pulling force demand scales up, when the wire rope of dynamic compaction machine was promoted first piston rod through the elevator ring for wire rope's pulling force increases gradually, reduces and strikes, has promoted the job stabilization nature of dynamic compaction machine.
Description
Technical Field
The utility model relates to the field of construction machinery, especially, relate to a carry dynamic compaction tup that pulling force demand increases progressively.
Background
In order to improve the compactness and uniformity of the foundation, a heavy hammer with the weight of several tons is generally adopted to freely fall from a high position with the height of several meters by a dynamic compactor to carry out powerful compaction on the foundation, so that the bearing capacity and the compression modulus of the foundation are improved, and the pore distribution in the foundation soil is changed within a certain depth.
The hammerhead of the traditional dynamic compactor is separated from the lifting hook when falling freely, so that the hammerhead still needs to be hooked when being lifted, the working efficiency is low, and the danger is high. Therefore, in the prior art, the dynamic compactor with the hammerhead not separated from the lifting hook is provided, the unwinding speed of the lifting rope is increased, the hammerhead can freely fall with the lifting rope without hook operation, and the speed of the hammerhead during lifting is greatly improved. The initial stage that wire rope promoted the tup, because the dead weight of tup is great, the pulling force of carrying of demand is great for wire rope, cantilever and coiling equipment bear great pulling force in the twinkling of an eye, cause the rocking of dynamic compactor easily, increased the unstable factor, need improve.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a carry dynamic compaction tup that pulling force demand scales up, and the pulling force of demand scales up gradually, promotes dynamic compactor's job stabilization nature.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a carry dynamic compaction tup that pulling force demand increases progressively includes: the flexible lifting assembly comprises a cylinder sleeve, a first piston rod, a second piston rod and a connecting rod, the cylinder sleeve is concentrically arranged in the counterweight ring, the first piston rod is arranged in the cylinder sleeve and extends to the upper part of the cylinder sleeve, the connecting rod is arranged at the bottom of the first piston rod, the second piston rod is arranged at the bottom of the connecting rod and extends into the counterweight ring, a stepped hole is formed in the limiting ring, a floating limiting plate positioned in the stepped hole is arranged at the bottom of the second piston rod, an oil ring corresponding to the excircle of the connecting rod is arranged on the inner wall of the cylinder sleeve in a protruding manner, a first oil cavity is formed between the oil ring and the first piston rod, a second oil cavity is formed between the oil ring and the second piston rod, and hydraulic oil is arranged in the second oil cavity, and micropores are axially arranged on the oil ring.
In a preferred embodiment of the present invention, the annular array on the chassis has a screw rod extending upward above the counterweight ring, and the screw rod is provided with a nut located above the counterweight ring.
In a preferred embodiment of the present invention, a flange is disposed on the top of the cylinder liner, and the flange is connected to the top counterweight ring by a first bolt.
In a preferred embodiment of the present invention, the first piston rod and the connecting rod are made of an integral steel structure, and the bottom of the floating limiting plate is provided with a second bolt which penetrates through the second piston rod and is connected with the connecting rod.
In a preferred embodiment of the present invention, a rubber gasket is disposed at the bottom of the stepped hole.
In a preferred embodiment of the present invention, a hanging ring is disposed on the top of the first piston rod.
In a preferred embodiment of the present invention, the cylinder sleeve is provided therein with a seal ring corresponding to the first piston rod and the second piston rod.
In a preferred embodiment of the present invention, the outer diameters of the first piston rod and the second piston rod correspond to the inner diameters of the cylinder sleeves, respectively, and the outer diameter of the connecting rod is smaller than the outer diameter of the first piston rod.
The utility model has the advantages that: the utility model provides a carry dynamic compaction tup that pulling force demand increases progressively, when dynamic compactor's wire rope was promoted first piston rod through the elevator ring, break through the limiting plate that floats earlier, first piston rod, the dead weight of second piston rod and connecting rod, make the second piston rod rise, the second piston rod extrudes first oil pocket through the micropore to the hydraulic oil in the second oil pocket afterwards, because the micropore diameter is little, the rising of second piston rod has been hindered, also further increase the pulling force demand to wire rope, the rigid contact of step department of limiting plate and shoulder hole floats at last, gravity releases completely, the demand that carries pulling force to wire rope reaches the maximize, make wire rope's the pulling force increase gradually, reduce and strike, the job stabilization nature of dynamic compactor has been promoted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of a dynamic compaction hammer head with increasing lifting force requirements according to the present invention;
fig. 2 is a schematic structural view of the flexible pulling assembly of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 2, an embodiment of the present invention includes:
the dynamic compaction hammer head with the increasing lifting force requirement in fig. 1 comprises: subassembly, chassis 1, spacing ring 5 and counter weight ring 6 are drawn to the flexibility, spacing ring 5 sets up on chassis 1 with the heart, the range upon range of setting of counter weight ring 6 is on spacing ring 5, annular array has the screw rod 7 that upwards extends to the counter weight ring top on the chassis, be provided with the nut 13 that is located counter weight ring 6 top on the screw rod, carry out the pressure of counter weight ring 6 and solidify. Through the increase and decrease of counterweight ring 6, change holistic weight, promote application scope.
As shown in fig. 1 and 2, the flexible lifting assembly includes a cylinder sleeve 9, a first piston rod 8, a second piston rod 16 and a connecting rod 11, the cylinder sleeve 9 is concentrically disposed in the counterweight ring 6, a flange 12 is disposed at the top of the cylinder sleeve 9, the flange 12 is connected with the counterweight ring at the top by a first bolt, so that the cylinder sleeve 9 is fixed, and the structure is firm.
The first piston rod 8 is arranged in the cylinder sleeve 9 and extends to the position above the cylinder sleeve 9, the connecting rod 11 is arranged at the bottom of the first piston rod 8, the first piston rod 8 and the connecting rod 11 are of an integrated steel structure, and the structural strength is high. The second piston rod 16 is arranged at the bottom of the connecting rod 11 and extends into the limiting ring 5, a stepped hole 20 is formed in the limiting ring 5, a floating limiting plate 3 located in the stepped hole 20 is arranged at the bottom of the second piston rod 16, and a second bolt 2 penetrating through the second piston rod 16 and connected with the connecting rod 11 is arranged at the bottom of the floating limiting plate 3, so that the assembly is convenient.
The outer circle diameters of the first piston rod 8 and the second piston rod 16 correspond to the inner hole diameters of the cylinder sleeve 9 respectively, the gap is small, the outer circle diameter of the connecting rod 11 is smaller than the outer circle diameter of the first piston rod 8, an oil ring 19 corresponding to the outer circle of the connecting rod 11 is arranged on the inner wall of the cylinder sleeve 9 in a protruding mode, a first oil cavity 14 is formed between the oil ring 19 and the first piston rod 8, a second oil cavity 15 is formed between the oil ring 19 and the second piston rod 16, hydraulic oil 17 is arranged in the second oil cavity, micro holes 18 are formed in the oil ring 19 in the axial direction, so that the hydraulic oil 17 can flow in the first oil cavity 14 and the second oil cavity 15, sealing rings corresponding to the first piston rod 8 and the second piston rod 16 are arranged in the cylinder sleeve 9, and leakage of.
The bottom of the stepped hole 20 is provided with a rubber gasket 4, after the dynamic compaction hammer head falls to the ground, the first piston rod 8 extrudes hydraulic oil 17 in the first oil chamber 14, and the hydraulic oil 17 returns to the second oil chamber 15 through the micropores 18, so that the first piston rod 8 slowly descends and finally stops descending in contact with the rubber gasket 4, and the impact of the floating limiting plate 3 on the chassis 1 is avoided.
To sum up, the utility model discloses a carry dynamic compaction tup that pulling force demand increases progressively, when being carried, carry pulling force's demand to dynamic compactor wire rope and progressively release, reduced the impact to the dynamic compactor, promoted the job stabilization nature of dynamic compactor.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (8)
1. The utility model provides a carry dynamic compaction tup that pulling force demand increases progressively which characterized in that includes: the flexible lifting assembly comprises a cylinder sleeve, a first piston rod, a second piston rod and a connecting rod, the cylinder sleeve is concentrically arranged in the counterweight ring, the first piston rod is arranged in the cylinder sleeve and extends to the upper part of the cylinder sleeve, the connecting rod is arranged at the bottom of the first piston rod, the second piston rod is arranged at the bottom of the connecting rod and extends into the counterweight ring, a stepped hole is formed in the limiting ring, a floating limiting plate positioned in the stepped hole is arranged at the bottom of the second piston rod, an oil ring corresponding to the excircle of the connecting rod is arranged on the inner wall of the cylinder sleeve in a protruding manner, a first oil cavity is formed between the oil ring and the first piston rod, a second oil cavity is formed between the oil ring and the second piston rod, and hydraulic oil is arranged in the second oil cavity, and micropores are axially arranged on the oil ring.
2. The dynamic compaction hammer head with increasing lifting force requirement according to claim 1, wherein the annular array on the chassis is provided with a screw rod extending upwards to the upper part of the counterweight ring, and the screw rod is provided with a nut positioned above the counterweight ring.
3. The dynamic compaction hammer head with the increasing lifting force demand according to claim 1, wherein a flange is arranged at the top of the cylinder sleeve, and the flange is connected with a counterweight ring at the top by a first bolt.
4. The dynamic compaction hammer head with the increasing lifting force demand according to claim 1, wherein the first piston rod and the connecting rod are of an integrated steel structure, and a second bolt which penetrates through the second piston rod and is connected with the connecting rod is arranged at the bottom of the floating limiting plate.
5. The dynamic compaction hammer head with increasing lifting force requirement according to claim 1, wherein a rubber gasket is arranged at the bottom of the stepped hole.
6. The dynamic compaction hammer head with increasing lifting force requirement according to claim 1, wherein a lifting ring is arranged at the top of the first piston rod.
7. The dynamic compaction hammer head with the increasing lifting force requirement according to claim 1, wherein sealing rings corresponding to the first piston rod and the second piston rod are arranged in the cylinder sleeve.
8. The dynamic compaction hammer head with the increasing lifting force requirement according to claim 1, wherein the outer circle diameters of the first piston rod and the second piston rod correspond to the inner hole diameter of the cylinder sleeve respectively, and the outer circle diameter of the connecting rod is smaller than the outer circle diameter of the first piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878777.6U CN210194594U (en) | 2019-06-12 | 2019-06-12 | Dynamic compaction hammer head with increasing pulling force demand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878777.6U CN210194594U (en) | 2019-06-12 | 2019-06-12 | Dynamic compaction hammer head with increasing pulling force demand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210194594U true CN210194594U (en) | 2020-03-27 |
Family
ID=69874278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920878777.6U Expired - Fee Related CN210194594U (en) | 2019-06-12 | 2019-06-12 | Dynamic compaction hammer head with increasing pulling force demand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210194594U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130311A (en) * | 2019-06-12 | 2019-08-16 | 沙洲职业工学院 | A kind of strong rammer tup that lifting power demand is incremental |
-
2019
- 2019-06-12 CN CN201920878777.6U patent/CN210194594U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130311A (en) * | 2019-06-12 | 2019-08-16 | 沙洲职业工学院 | A kind of strong rammer tup that lifting power demand is incremental |
| CN110130311B (en) * | 2019-06-12 | 2024-02-13 | 沙洲职业工学院 | Dynamic compaction hammer head with increasing lifting force requirement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |