CN116575431A - Dynamic compaction hammer and production method thereof - Google Patents
Dynamic compaction hammer and production method thereof Download PDFInfo
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- CN116575431A CN116575431A CN202310203299.XA CN202310203299A CN116575431A CN 116575431 A CN116575431 A CN 116575431A CN 202310203299 A CN202310203299 A CN 202310203299A CN 116575431 A CN116575431 A CN 116575431A
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Abstract
The application discloses a dynamic compaction hammer and a production method thereof. One side of the axle center connecting rod is connected with the middle part of the top surface of the stressed hammer body. The weight plate is provided with a through hole in the middle, the weight plate can be sleeved on the axle center connecting rod in a penetrating way, the weight plate closest to the stressed hammer body is attached to the top surface of the stressed hammer body, and the size of the weight plate is smaller than that of the bottom surface of the stressed hammer body. The dynamic compaction hammer of this patent, the setting of counter weight piece is convenient increases and decreases the rammer hammer weight according to actual demand, and then realizes the hammer weight conversion for dynamic compaction construction can satisfy the construction demand better, guarantees the construction quality of dynamic compaction construction. The size of the counterweight sheet is smaller than the bottom size of the stressed hammer body, so that the dynamic compaction hammer is in a convex shape under the condition of ensuring counterweight, and the counterweight block above the dynamic compaction hammer cannot generate friction when being driven into the foundation, thereby ensuring the diameter of the rammer body, reducing the side friction area of the hammer body of the rammer body and being beneficial to driving pier body materials into the foundation.
Description
Technical Field
The application relates to the technical field of special-shaped hammers for dynamic compaction, in particular to a dynamic compaction hammer and a production method thereof.
Background
The dynamic compaction displacement foundation treatment construction method has the advantages of high treatment speed, low cost, simple process and convenient construction. However, the dynamic compaction replacement construction also has certain defects, such as certain weight of the hammer body, and different hammer bodies need to be replaced when different construction environments are switched, so that the purchase cost is increased. Furthermore, when foundation soil belongs to high-sensitivity powdery clay, and the water content is high, the depth of a dynamic compaction replacement pier body by using a traditional rammer is often not guaranteed, the traditional rammer mainly comprises a cylinder, the side surface contact friction area of the cylinder rammer is large under the condition that the weights of the rammers are the same, the replacement pier body material is difficult to drive into the foundation, and the replacement depth of the pier body is insufficient.
In view of this, the present application has been made.
Disclosure of Invention
The application aims to overcome the defects of the prior art and provide a dynamic compaction hammer and a production method thereof.
In order to achieve the above purpose, the present application provides the following technical solutions:
a first object of the present application is to provide a dynamic compaction hammer including:
a force-bearing hammer body;
the axle center connecting rod is connected with the middle part of the top surface of the stress hammer body at one side;
the weight plates are through holes in the middle, the weight plates can be sleeved on the axle center connecting rod in a penetrating mode, the weight plate closest to the stressed hammer body is attached to the top surface of the stressed hammer body, and the size of the weight plate is smaller than that of the bottom surface of the stressed hammer body.
Optionally, the atress hammer block middle part is provided with the connecting screw hole, axle center connecting rod one end sets up in the external screw thread of connecting screw hole adaptation.
Optionally, the weight plate further comprises a socket bolt, the stressed hammer body is provided with a plurality of fixing threaded holes around the connecting threaded holes, and the weight plate is provided with a plurality of through fixing holes corresponding to the fixing threaded holes;
one end of the socket bolt penetrates through the fixing hole to be in threaded connection with the fixing threaded hole, and the other end of the socket bolt is limited on one side, away from the weight plate, of the force-bearing hammer body, which is the most cloud.
Optionally, the device further comprises a top fastener, wherein the top fastener comprises a limiting plate and a reinforcing sleeve vertically connected to the middle part of the limiting plate, and the limiting plate corresponds to a weight plate attached to the limiting plate and located at the most cloud distance from the stressed hammer body;
one end of the socket bolt sequentially penetrates through the limiting plate and the counterweight sheet to be connected with a fixed threaded hole of the threads of the stressed hammer body, and the axis connecting rod sequentially penetrates through the reinforcing sleeve, the limiting plate and the threaded hole of the threads of the stressed hammer body to be connected with each other.
Optionally, the top fastener further comprises a reinforcing strip, and a side of the reinforcing strip adjacent to the reinforcing sleeve is welded with the limiting plate.
Optionally, the fixing threaded hole extends from one side of the stress hammer body, which is close to the weight piece, to the middle part of the stress hammer body.
Optionally, the atress hammer block includes cylinder and round platform body, the round platform body is toper platform shape, the great bottom surface of round platform body diameter with the cylinder top surface is connected, the less top surface of round platform body diameter with the laminating of counter weight piece.
Optionally, the bottom surface of the truncated cone is the same as the top surface of the cylinder, and the top surface of the truncated cone is the same as the weight piece.
Optionally, the stress hammer body further comprises a reinforcing rib, and the reinforcing rib is welded with the round table body and the cylinder.
The first object of the application is to provide a method for producing a strong rammer, comprising the following steps:
s1, placing a weight plate above the top surface of a stressed hammer body according to the required weight, placing a top fastener above the weight plate, aligning through holes of the weight plate with connecting threaded holes, and aligning fixed holes of the weight plate with fixed threaded holes;
s2, an axle center connecting rod penetrates through the top fastening piece and the through hole to be connected with the connecting threaded hole, one end of the socket bolt penetrates through the top fastening piece and the fixing hole to be in threaded connection with the fixing threaded hole, and the other end of the socket bolt is limited at one side, away from the stressed hammer body, of the most cloud weight piece of the stressed hammer body;
s3, clamping the rammer hanging cap by using a clamping device of the hanging mechanism to carry out hanging.
By adopting the technical scheme, the application has the following beneficial effects:
the dynamic compaction hammer of this patent sets up a plurality of counter weight pieces at first, and the setting of counter weight piece is convenient increases and decreases the rammer hammer weight according to actual demand, and then realizes the hammer weight conversion, guarantees the construction quality of dynamic compaction construction. And the size of the weight stack is smaller than the bottom size of the stressed hammer body, so that the dynamic compaction hammer is in a convex shape under the condition of ensuring the weight stack, and the upper weight stack is not rubbed when being driven into the foundation, thereby ensuring the diameter of the rammer body, reducing the side friction area of the hammer body of the rammer body, being beneficial to driving pier body materials into the foundation and ensuring the construction requirement of high-sensitivity powdery clay working condition with higher water content to be better met in dynamic compaction construction.
The following describes the embodiments of the present application in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
fig. 1 is a schematic perspective view of a dynamic compaction hammer according to the present application;
FIG. 2 is a schematic diagram of a perspective mechanism of a forced ram of the dynamic compaction hammer provided by the application;
fig. 3 is a top view of a strong ram provided by the present application.
In the figure: the forced hammer body 1, the cylinder 11, the round table body 12, the reinforcing rib 13, the first reinforcing plate 131, the second reinforcing plate 132, the connecting threaded hole 101, the fixing threaded hole 102, the exhaust hole 103, the axis connecting rod 2, the weight plate 3, the fastening piece 4, the limiting plate 41, the reinforcing sleeve 42, the reinforcing strip 43, the socket bolt 5 and the rammer hanging cap 6.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present application, and the following embodiments are used to illustrate the present application, but are not intended to limit the scope of the present application.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1-3, the present embodiment provides a dynamic compaction hammer, which includes a stressed hammer body 1, an axial connecting rod 2 and a plurality of weight plates 3. One side of the axis connecting rod 2 is connected with the middle part of the top surface of the stress hammer body 1. The weight plate 3 is provided with a through hole in the middle, the weight plate 3 can be sleeved on the axis connecting rod 2 in a penetrating way, the weight plate 3 closest to the stress hammer body 1 is attached to the top surface of the stress hammer body 1, and the size of the weight plate 3 is smaller than the size of the bottom surface of the stress hammer body 1.
The dynamic compaction hammer of this patent sets up a plurality of counter weight pieces 3 at first, and the setting of counter weight piece 3 is convenient increases and decreases the rammer weight according to actual demand, and then realizes the hammer weight conversion, guarantees the construction quality of dynamic compaction construction. Secondly, the size of the counter weight piece 3 is smaller than the bottom surface size of the stressed hammer body 1, so that the dynamic compaction hammer is in a convex shape under the condition of ensuring counter weight, and the upper counter weight is not rubbed when being driven into the foundation, so that the diameter of the rammer body can be ensured, the side friction area of the hammer body of the rammer body can be reduced, the pier body material is driven into the foundation, and the construction requirement of the high-sensitivity powdery clay working condition with higher water content can be better met in dynamic compaction construction.
Further, the weight plate 3 is in a flat column shape, and the purpose of converting various ramming energies is achieved by increasing and decreasing flat column-shaped steel plates.
In a possible embodiment, the middle part of the stress hammer body 1 is provided with a connecting threaded hole 101, and one end of the axle center connecting rod 2 is provided with external threads matched with the connecting threaded hole 101. The axle center connecting rod 2 is connected with the stressed hammer body 1 through threads, so that the disassembly and assembly are convenient, the disassembly and assembly of the weight plate 3 are easy, and the disassembly and the transfer are more facilitated.
Further, the connecting threaded hole 101 extends from the top surface of the circular truncated cone 12 to the center of the cylinder 11, so that the axial connecting rod 2 is always screwed to the center of the cylinder 11, and the connection between the cylinder 11 and the circular truncated cone 12 is further stabilized.
In a possible embodiment, the dynamic compaction hammer further comprises a socket bolt 5, the stressed hammer body 1 is provided with a plurality of fixing threaded holes 102 around the connecting threaded holes 101, and the weight plate 3 is provided with a plurality of through fixing holes corresponding to the fixing threaded holes 102. One end of the socket bolt 5 penetrates through the fixing hole to be in threaded connection with the fixing threaded hole 102, and the other end of the socket bolt is limited on one side, away from the weight plate 3, of the stress hammer body 1, which is the most cloud. The plurality of fixing threaded holes 102 are uniformly distributed on a circle with the central axis of the stressed hammer body 1 as a circle, preferably, four fixing threaded holes 102 are arranged, and four fixing holes are arranged on each weight plate 3. Through socket bolt 5 strengthening connection, further guarantee that weight plate 3 connects stably to prevent that weight plate 3 is rotatory, work is more stable when making dynamic compaction construction, guarantees construction quality.
In a possible embodiment, the dynamic compaction hammer further comprises a top fastener 4, the top fastener 4 comprises a limiting plate 41 and a reinforcing sleeve 42 vertically connected to the middle of the limiting plate 41, and the limiting plate 41 corresponds to the weight plate 3, which is attached to the limiting plate 41 and is located at the most cloud distance from the stressed hammer body 1. One end of the socket bolt 5 sequentially penetrates through the limiting plate 41 and the weight plate 3 to be connected with a fixed threaded hole 102 of the threads of the stress hammer body 1, and the axis connecting rod 2 sequentially penetrates through the reinforcing sleeve 42, the limiting plate 41 and the connecting threaded hole 101 of the threads of the stress hammer body 1 to be connected with threads. The limiting plate 41 is a hollow circular ring, the shape of the limiting plate 41 is the same as that of the weight plate 3, the fastening piece 4 can not shake due to the arrangement of the reinforcing sleeve 42, and the weight plate 3 is further ensured to be stable due to the arrangement of the fastening piece 4.
In one possible embodiment, the top fastener 4 further comprises a reinforcing strip 43, and the side of the reinforcing strip 43 adjacent to the side of the reinforcing sleeve 42 welded thereto is welded to the limiting plate 41. The connection stability between the reinforcing sleeve 42 and the limiting plate 41 is ensured, and the service life of the fastener 4 is prolonged.
In one possible embodiment, the fixing threaded hole 102 extends from a side of the force-receiving ram 1 near the weight plate 3 to a middle portion of the force-receiving ram 1. So that the shaft center connecting rod 2 is always connected to the center of the cylinder 11 in a threaded manner, and the connection between the cylinder 11 and the circular truncated cone 12 is further stabilized.
In one possible embodiment, the force-bearing hammer 1 includes a cylinder 11 and a truncated cone 12, the truncated cone 12 is in a conical shape, a bottom surface with a larger diameter of the truncated cone 12 is connected with the top surface of the cylinder 11, and a top surface with a smaller diameter of the truncated cone 12 is attached to the weight plate 3. The side friction area of the hammer body in the construction process is further reduced, and the hammer body material is more beneficial to being driven into the foundation.
In one possible embodiment, the bottom surface of the truncated cone 12 has the same shape as the top surface of the cylinder 11, and the top surface of the truncated cone 12 has the same shape as the weight plate 3. The connection stability of the circular truncated cone 12 and the cylinder 11 is ensured, friction cannot be increased in the process of the rammer, the installation stability of the weight plate 3 is also ensured, and the shaking cannot be caused, so that the process stability of the rammer is ensured.
In a possible embodiment, the force-receiving ram 1 further comprises a stiffening rib 13, the stiffening rib 13 being welded to the truncated cone 12 and to the cylinder 11.
In one possible embodiment, the reinforcing rib 13 includes a first reinforcing plate 131 and a second reinforcing plate 132 integrally formed, the first reinforcing plate 131 being connected to the circular truncated cone 12, and the second reinforcing plate 132 being connected to the cylinder 11. The cylinder 11 is connected with the round table body 12 through welding, and the reinforcing rib 13 is arranged to further ensure that the connection between the cylinder 11 and the round table body 12 is more stable, so that the service cycle and the turnover frequency of the combined hammer are greatly prolonged. The first reinforcing plate 131 is tapered, and the tip end of the first reinforcing plate 131 extends to the edge of the top surface of the truncated cone 12, so that the lamination of the weight plate 3 and the top surface is not affected. Wherein, the reinforcing rib 13 is made of alloy steel material.
In a possible implementation manner, the forced hammer body 1 is provided with a plurality of exhaust holes 103, the exhaust holes 103 are parallel to the axis connecting rod 2, and the exhaust holes 103 penetrate through the round table body 12 and the cylinder 11, so that gas in a soil body is exhausted during dynamic compaction, and the hammer is easy to pull out.
In one possible embodiment, a plurality of the exhaust holes 103 are uniformly distributed on a circle concentric with the axis of the force-receiving hammer 1, and the distance between the exhaust holes 103 and the axis of the force-receiving hammer 1 is greater than the diameter of the weight plate 3. In this way, even when the weight sheet 3 is assembled, the exhaust hole 103 is not covered, and the exhaust is not affected.
In a possible implementation manner, a rammer hanging cap 6 is arranged on one side of the axis connecting rod 2 away from the stressed hammer body 1, and the rammer hanging cap 6 is in an inverse convex shape and is shaped like a mushroom, so that a clamping mechanism of a lifting device can clamp and lift the rammer hanging cap.
Further, the rammer hanging cap 6 and the axle center connecting rod 2 are integrally formed, so that the whole is firmer, and the service life is longer.
Example two
Referring to fig. 1-3, the present embodiment provides a method for producing a strong rammer, comprising the steps of:
s1, placing a weight plate 3 above the top surface of a stressed hammer body 1 according to the required weight, placing a top fastener 4 above the weight plate 3, aligning through holes of the weight plate 3 with connecting threaded holes 101, and aligning fixed holes of the weight plate 3 with fixed threaded holes 102;
s2, an axle center connecting rod 2 penetrates through the top fastening piece 4 and the through hole to be connected with the connecting threaded hole 101, one end of a socket bolt 5 penetrates through the top fastening piece 4 and the fixing hole to be in threaded connection with the fixing threaded hole 102, and the other end of the socket bolt is limited at one side, far away from the stressed hammer body 1, of the balance weight piece 3 which is the most cloud away from the stressed hammer body 1;
and S3, clamping the rammer hanging cap 6 by using a clamping device of the hanging mechanism to carry out hanging.
The foregoing description is only illustrative of the preferred embodiment of the present application, and is not to be construed as limiting the application, but is to be construed as limiting the application to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present application without departing from the scope of the application.
Claims (10)
1. A dynamic compaction hammer, comprising:
a force-bearing hammer body;
the axle center connecting rod is connected with the middle part of the top surface of the stress hammer body at one side;
the weight plates are through holes in the middle, the weight plates can be sleeved on the axle center connecting rod in a penetrating mode, the weight plate closest to the stressed hammer body is attached to the top surface of the stressed hammer body, and the size of the weight plate is smaller than that of the bottom surface of the stressed hammer body.
2. The strong rammer of claim 1, wherein the force-receiving ram is provided with a connecting threaded hole in the middle, and the axle center connecting rod is provided with external threads adapted to the connecting threaded hole at one end.
3. The strong rammer of claim 2, further comprising a socket bolt, wherein the force-receiving ram is provided with a plurality of fixing threaded holes around the connecting threaded holes, and wherein the weight plate is provided with a plurality of through fixing holes corresponding to the fixing threaded holes;
one end of the socket bolt penetrates through the fixing hole to be in threaded connection with the fixing threaded hole, and the other end of the socket bolt is limited on one side, away from the weight plate, of the force-bearing hammer body, which is the most cloud.
4. The strong rammer of claim 3, further comprising a top fastener, wherein the top fastener comprises a limiting plate and a reinforcing sleeve vertically connected to the middle of the limiting plate, and the limiting plate corresponds to a weight plate attached to the limiting plate at a distance from the cloudest of the forced hammer body;
one end of the socket bolt sequentially penetrates through the limiting plate and the counterweight sheet to be connected with a fixed threaded hole of the threads of the stressed hammer body, and the axis connecting rod sequentially penetrates through the reinforcing sleeve, the limiting plate and the threaded hole of the threads of the stressed hammer body to be connected with each other.
5. The strong ram of claim 4, wherein the top fastener further comprises a reinforcing bar welded to the stop plate on a side of the reinforcing bar adjacent to the reinforcing sleeve weld.
6. The strong rammer of claim 5, wherein the fixed threaded bore extends from a side of the force-receiving ram proximate the weight plate to a middle of the force-receiving ram.
7. The strong rammer of claim 6, wherein the force-bearing ram comprises a cylinder and a circular truncated cone, the circular truncated cone is conical, a bottom surface with a larger diameter of the circular truncated cone is connected to the top surface of the cylinder, and a top surface with a smaller diameter of the circular truncated cone is attached to the weight plate.
8. The strong rammer of claim 7, wherein the bottom surface of the frustum is the same shape as the top surface of the cylinder, and the top surface of the frustum is the same shape as the weight plate.
9. The strong ram of claim 8, wherein the force-receiving ram further comprises a stiffening rib welded to the frustum and the cylinder.
10. The method for using and producing the strong rammer is characterized by comprising the following steps of:
s1, placing a weight plate above the top surface of a stressed hammer body according to the required weight, placing a top fastener above the weight plate, aligning through holes of the weight plate with connecting threaded holes, and aligning fixed holes of the weight plate with fixed threaded holes;
s2, an axle center connecting rod penetrates through the top fastening piece and the through hole to be connected with the connecting threaded hole, one end of the socket bolt penetrates through the top fastening piece and the fixing hole to be in threaded connection with the fixing threaded hole, and the other end of the socket bolt is limited at one side, away from the stressed hammer body, of the most cloud weight piece of the stressed hammer body;
s3, clamping the rammer hanging cap by using a clamping device of the hanging mechanism to carry out hanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310203299.XA CN116575431A (en) | 2023-03-06 | 2023-03-06 | Dynamic compaction hammer and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310203299.XA CN116575431A (en) | 2023-03-06 | 2023-03-06 | Dynamic compaction hammer and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116575431A true CN116575431A (en) | 2023-08-11 |
Family
ID=87538366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310203299.XA Pending CN116575431A (en) | 2023-03-06 | 2023-03-06 | Dynamic compaction hammer and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116575431A (en) |
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2023
- 2023-03-06 CN CN202310203299.XA patent/CN116575431A/en active Pending
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