CN219298179U - Screw hammer - Google Patents
Screw hammer Download PDFInfo
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- CN219298179U CN219298179U CN202320391610.3U CN202320391610U CN219298179U CN 219298179 U CN219298179 U CN 219298179U CN 202320391610 U CN202320391610 U CN 202320391610U CN 219298179 U CN219298179 U CN 219298179U
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- hammer
- cylinder
- connecting rod
- truncated cone
- plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The application discloses screw hammer, including atress hammer block, axle center connecting rod and a plurality of counter weight piece. The stress hammer body comprises a cylinder, a truncated cone and reinforcing ribs, the truncated cone is in a conical truncated shape, the bottom surface with the larger diameter of the truncated cone is connected with the top surface of the cylinder, and the reinforcing ribs are welded with the truncated cone and the cylinder. One side of the axle center connecting rod is connected with 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, and the weight plate closest to the stressed hammer body is attached to the top surface with the smaller diameter of the round table body. The screw hammer of this patent application will reduce the diameter of atress hammer block top through dividing into cylinder and round platform body with the atress hammer block, then can not produce friction when driving into inside the ground above the hammer block to can guarantee again the rammer body diameter, can reduce the side friction area of rammer hammer block again, be favorable to the pier body material to drive into inside the ground, and the setting of counter weight piece conveniently increases and decreases the rammer hammer weight according to actual demand.
Description
Technical Field
The application relates to the technical field of special-shaped hammers for dynamic compaction, in particular to a screw hammer.
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 construction of dynamic compaction replacement is also not enough, for example, 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 contact friction area of the side surface of the cylinder rammer is large under the condition of the same weight of the hammer, 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 utility model has been made.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a screw hammer.
In order to achieve the above object, the present application provides the following technical solutions:
the application aim at provides a screw hammer, includes:
the stress hammer body comprises a cylinder, a circular truncated cone and reinforcing ribs, wherein the circular truncated cone is in a conical table shape, the bottom surface with the larger diameter of the circular truncated cone is connected with the top surface of the cylinder, and the reinforcing ribs are welded with the circular truncated cone and the cylinder;
the axle center connecting rod is connected with one side of the axle center connecting rod and the stress hammer body;
the weight plates are provided with through holes in the middle, the weight plates can be sleeved on the axle center connecting rod in a penetrating mode, and the weight plate closest to the stressed hammer body is attached to the top surface with the smaller diameter of the round table body.
Optionally, the bottom surface of the truncated cone is the same as the top surface of the cylinder, and the weight piece is the same as the top surface of the truncated cone.
Optionally, the reinforcing rib comprises a first reinforcing plate and a second reinforcing plate which are integrally formed, the first reinforcing plate is connected with the round table body, and the second reinforcing plate is connected with the cylinder;
the first reinforcing plate is conical, and the tip end portion of the first reinforcing plate extends to the top surface edge of the circular truncated cone.
Optionally, be provided with a plurality of exhaust holes on the atress hammer block, the exhaust hole with axle center connecting rod is parallel, just the exhaust hole runs through the round platform body with the cylinder.
Optionally, the plurality of exhaust holes are uniformly distributed on a circle concentric with the axis of the force-bearing hammer body, and the distance between the exhaust holes and the axis of the force-bearing hammer body is larger than the diameter of the weight piece.
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, a rammer hanging cap is arranged on one side of the axis connecting rod, which is far away from the stressed hammer body, and the rammer hanging cap is in an inverse convex shape.
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 of the weight plate farthest from the stressed hammer body.
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 counterweight plate attached to the limiting plate and farthest 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.
By adopting the technical scheme, the utility model has the following beneficial effects:
the screw hammer of this patent application will reduce the diameter of atress hammer block top through dividing into cylinder and round platform body with the atress hammer block, then can not produce the friction when driving into inside the ground above the hammer block to can guarantee again and ram the body diameter, can reduce the side friction area of ram hammer block again, be favorable to pier body material to drive into inside the ground. 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 for the construction demand of the high sensitivity powder clay operating mode that the dynamic compaction construction can satisfy the moisture content better, guarantees the construction quality of dynamic compaction construction.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model, without limitation to the utility model. 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 screw hammer provided herein;
FIG. 2 is a schematic perspective view of a force-bearing ram of the screw hammer provided herein;
fig. 3 is a top view of the screw hammer provided herein.
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 utility model 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 utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
In the description of the present utility model, 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 utility model 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 utility model.
In the description of the present utility model, 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 utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, the present embodiment provides a screw hammer, which includes a stressed hammer body 1, an axial connecting rod 2, and a plurality of weight plates 3. The stress hammer body 1 comprises a cylinder 11, a circular truncated cone 12 and a reinforcing rib 13, wherein the circular truncated cone 12 is in a conical table shape, the bottom surface with the larger diameter of the circular truncated cone 12 is connected with the top surface of the cylinder 11, and the reinforcing rib 13 is welded with the circular truncated cone 12 and the cylinder 11. One side of the axis connecting rod 2 is connected with 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 axle center connecting rod 2 in a penetrating way, and the weight plate 3 closest to the stressed hammer body 1 is attached to the top surface with the smaller diameter of the round table body 12.
The screw hammer of this patent application will reduce the diameter of atress hammer 1 top through dividing into cylinder 11 and round platform body 12 with atress hammer 1, the hammer body top then can not produce the friction when driving into inside the ground to can guarantee again and ram the body diameter, can reduce the side friction area of hammer body again, be favorable to the hammer body material to drive into inside the ground, and the setting up convenience of counter weight piece 3 increases and decreases the rammer hammer weight according to actual demand, and then realizes the hammer weight conversion, makes the construction demand of the higher high sensitivity powder clay operating mode of moisture content that can satisfy better of dynamic compaction construction, guarantees the construction quality of 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 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 weight plate 3 has the same shape as the top surface of the truncated cone 12. 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 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 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 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.
In a possible embodiment, the weight plate 3 further comprises a socket bolt 5, a plurality of fixing threaded holes 102 are arranged around the connecting threaded holes 101 by the stress hammer body 1, and a plurality of through fixing holes are arranged corresponding to the fixing threaded holes 102 by the weight plate 3. 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 of the weight plate 3 farthest from the stressed hammer body 1. 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.
Further, the fixing threaded hole 102 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 one possible embodiment, the screw 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 farthest 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.
The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present utility model without departing from the scope of the utility model.
Claims (9)
1. A screw hammer, comprising:
the stress hammer body comprises a cylinder, a circular truncated cone and reinforcing ribs, wherein the circular truncated cone is in a conical table shape, the bottom surface with the larger diameter of the circular truncated cone is connected with the top surface of the cylinder, and the reinforcing ribs are welded with the circular truncated cone and the cylinder;
the axle center connecting rod is connected with one side of the axle center connecting rod in a threaded manner with the stress hammer body;
the weight plates are provided with through holes in the middle, the weight plates can be sleeved on the axle center connecting rod in a penetrating mode, and the weight plate closest to the stressed hammer body is attached to the top surface with the smaller diameter of the round table body.
2. The screw hammer of claim 1 wherein the bottom surface of the boss is the same shape as the top surface of the cylinder and the weight stack is the same shape as the top surface of the boss.
3. The screw hammer of claim 2 wherein the stiffening rib comprises integrally formed first and second stiffening plates, the first stiffening plate being connected to the boss and the second stiffening plate being connected to the cylinder;
the first reinforcing plate is conical, and the tip end portion of the first reinforcing plate extends to the top surface edge of the circular truncated cone.
4. A screw hammer according to claim 3, wherein the force-receiving ram is provided with a plurality of vent holes, the vent holes being parallel to the shaft connecting rod and the vent holes extending through the boss and the cylinder.
5. The screw hammer of claim 4, wherein the plurality of vent holes are evenly distributed on a circle concentric with the axis of the force-receiving ram, the vent holes being spaced from the axis of the force-receiving ram a distance greater than the diameter of the weight plate.
6. The screw hammer of claim 5, wherein the force-receiving ram is provided with a threaded connection hole in the middle, and the shaft connecting rod is provided with external threads adapted to the threaded connection hole at one end.
7. The screw hammer of claim 6, wherein a ram cap is disposed on a side of the shaft center connecting rod remote from the force-bearing ram, the ram cap being inverted "convex".
8. The screw hammer of claim 7, further comprising a socket bolt, wherein the force-receiving ram is provided with a plurality of fixation threaded holes around the connection threaded holes, and wherein the weight plate is provided with a plurality of through fixation holes corresponding to the fixation 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 of the weight plate farthest from the stressed hammer body.
9. The screw hammer of claim 8, 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 furthest 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320391610.3U CN219298179U (en) | 2023-03-06 | 2023-03-06 | Screw hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320391610.3U CN219298179U (en) | 2023-03-06 | 2023-03-06 | Screw hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219298179U true CN219298179U (en) | 2023-07-04 |
Family
ID=86951862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320391610.3U Active CN219298179U (en) | 2023-03-06 | 2023-03-06 | Screw hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219298179U (en) |
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2023
- 2023-03-06 CN CN202320391610.3U patent/CN219298179U/en active Active
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