CN219491135U - Drill rod structure of breaking hammer - Google Patents
Drill rod structure of breaking hammer Download PDFInfo
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- CN219491135U CN219491135U CN202320937848.1U CN202320937848U CN219491135U CN 219491135 U CN219491135 U CN 219491135U CN 202320937848 U CN202320937848 U CN 202320937848U CN 219491135 U CN219491135 U CN 219491135U
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- drill rod
- block
- locking
- limiting
- groove
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Abstract
The application discloses a drill rod structure of a breaking hammer, which comprises a first drill rod, a second drill rod and a pair of limiting assemblies; the limiting assemblies are symmetrically arranged at the lower end of the first drill rod, the second drill rod is suitable for being connected with the first drill rod in an inserting mode, and in the inserting process of the second drill rod, the second drill rod is suitable for extruding the limiting assemblies to open until the second drill rod is inserted in place, and the limiting assemblies are suitable for being axially and limited and clamped with the second drill rod. The beneficial effects of this application: when entering the first drill rod through the grafting of second drill rod, the second drill rod extrudes spacing subassembly this moment, and then makes spacing subassembly open to both sides, later until the second drill rod grafting is in place inside the first drill rod, spacing subassembly folds and carries out axial spacing block to the second drill rod, and the dismantlement and the change of being convenient for are better, are convenient for provide better practicality.
Description
Technical Field
The application relates to the technical field of breaking hammers, in particular to a drill rod structure of a breaking hammer.
Background
The hydraulic breaking hammer is an important engineering breaking tool, and is an impact tool for converting hydraulic energy into mechanical energy. The hydraulic breaking hammer is arranged on the machine and is connected with the hydraulic system, high-pressure fluid of the hydraulic system is supplied to the hydraulic breaking hammer to drive the piston rod to reciprocate, the piston rod impacts the drill rod at a high speed during the stroke, and the drill rod breaks solids such as ore, concrete and the like to complete the breaking task.
The existing drill rod is generally integrally arranged in the hydraulic breaking hammer, the drill rod is required to be replaced after the drill rod head is damaged at the position or after the drill rod head is damaged at a certain position in the long-time use process, the maintenance and the replacement are inconvenient, and the practicability of the drill rod is greatly reduced. There is a need for a drill rod structure for a breaking hammer that is easy to disassemble.
Disclosure of Invention
An object of the present application is to provide a drill rod structure of a breaking hammer that is easy to disassemble.
In order to achieve the above purpose, the technical scheme adopted in the application is as follows: a drill rod structure of a breaking hammer comprises a first drill rod, a second drill rod and a pair of limiting assemblies; the limiting assemblies are symmetrically arranged at the lower end of the first drill rod, the second drill rod is suitable for being connected with the first drill rod in an inserting mode, and in the inserting process of the second drill rod, the second drill rod is suitable for extruding the limiting assemblies to open until the second drill rod is inserted in place, and the limiting assemblies are suitable for being axially and limited and clamped with the second drill rod.
Preferably, a clamping groove is formed in the side part of the second drill rod; the limiting assembly comprises a limiting block and a torsion spring; the limiting block is elastically rotatably arranged on the first drill rod through the torsion spring; when the second drill rod is inserted, the second drill rod is suitable for extruding the limiting block to rotate around the mounting position and compress the torsion spring; when the second drill rod is inserted into place, the limiting block is suitable for rotating to be clamped with the clamping groove under the elasticity of the torsion spring.
Preferably, the limiting block comprises a connecting block and a clamping block; the first end of the connecting block is elastically connected with the first drill rod in a rotating mode through the torsion spring, the second end of the connecting block is connected with the clamping block, and the connecting block is suitable for driving the clamping block to be clamped with or separated from the clamping groove through rotation.
Preferably, the outer side wall of the clamping block is an arc surface or an inclined surface, so that the second drill rod is extruded with the outer side wall of the clamping block to drive the connecting block to drive the clamping block to rotate around the installation position.
Preferably, an included angle alpha exists between the extending direction of the connecting block and the inner side wall of the clamping block, and the angle range of alpha is more than or equal to 45 degrees and less than or equal to 90 degrees; the axial included angle between the side wall of the clamping groove axially attached to the inner side wall of the clamping block and the second drill rod is alpha.
Preferably, the drill rod structure of the breaking hammer further comprises a locking assembly, the locking assembly is mounted on the first drill rod, and the locking assembly is suitable for locking the limiting assembly in a clamping state.
Preferably, the locking assembly comprises a first locking block and a second locking block which are elastically connected; the side part of the first drill rod is provided with a sliding groove, and the first locking block and the second locking block form sliding fit in the sliding groove; a locking groove is formed in the side part of the limiting block; when the second drill rod is inserted into the first drill rod, the second drill rod is suitable for extruding the second locking block, so that the second locking block elastically extrudes the first locking block, and when the second drill rod is inserted into the first drill rod, the second locking block is suitable for elastically extruding the first locking block to extend into the locking groove, so that the limiting assembly and the first drill rod are locked.
Preferably, the locking groove is provided therethrough such that pressing the first locking piece by a tool disengages the locking groove for unlocking.
Preferably, an unlocking hole communicated with the locking groove is formed in the side part of the limiting block; an unlocking part is arranged in the unlocking hole and is suitable for being in guide fit with the first locking block, so that the first locking block is driven to be separated from the locking groove by pressing the unlocking part to unlock.
Preferably, the extending direction of the unlocking hole is 0-90 degrees with the extending direction of the locking groove.
Compared with the prior art, the beneficial effect of this application lies in: when entering the first drill rod through the grafting of second drill rod, the second drill rod extrudes spacing subassembly this moment, and then makes spacing subassembly open to both sides, later until the second drill rod grafting is in place inside the first drill rod, spacing subassembly folds and carries out axial spacing block to the second drill rod, and the dismantlement and the change of being convenient for are better, are convenient for provide better practicality.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a schematic diagram showing a cross-sectional structure before the first drill rod and the second drill rod are matched.
FIG. 3 is a schematic cross-sectional view of the first drill rod and the second drill rod of the present utility model.
FIG. 4 is a schematic view showing the structure of the second drill rod inserted into place in the first drill rod according to the present utility model.
FIG. 5 is an enlarged schematic view of the locking assembly according to the present utility model.
Fig. 6 is an enlarged schematic view of an arrangement of the latch according to the present utility model.
FIG. 7 is an enlarged view of a position of the unlocking hole according to the present utility model.
FIG. 8 is an enlarged view of another embodiment of the unlocking hole of the present utility model.
FIG. 9 is an enlarged schematic view of another arrangement of the latch according to the present utility model.
In the figure: 1. a first drill rod; 11. a sliding groove; 2. a second drill rod; 21. a clamping groove; 3. a limit component; 31. a limiting block; 311. a connecting block; 312. a clamping block; 32. a torsion spring; 4. a locking assembly; 41. a first lock block; 42. a second lock block; 43. a locking groove; 51. unlocking the hole; 52. unlocking the component.
Detailed Description
The present application will be further described with reference to the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.
In the description of the present application, it should be noted that, for the azimuth terms such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific protection scope of the present application that the device or element referred to must have a specific azimuth configuration and operation, as indicated or implied.
It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
The terms "comprises" and "comprising," along with any variations thereof, in the description and claims of the present application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.
One of the preferred embodiments of the present application, as shown in fig. 1 to 9, is a drill rod structure of a breaking hammer, comprising a first drill rod 1, a second drill rod 2 and a pair of limit assemblies 3; the side part of the lower end of the first drill rod 1 is symmetrically provided with a limiting assembly 3, and the first drill rod 1 is connected with the first drill rod 1 in a plugging manner; when the second drill rod 2 is ready to be inserted into the first drill rod 1, the second drill rod 2 extrudes the limiting component 3 at the moment, so that the limiting component 3 starts to rotate and separate towards two sides, when the second drill rod 2 is inserted into the first drill rod 1, the limiting component 3 at the moment is restored to be in the original state, so that the second drill rod 2 is axially limited and clamped, the disassembly and the replacement are facilitated, and the practicability of the device is improved.
In the present embodiment, as shown in fig. 1 to 4, the stopper assembly 3 includes a stopper 31 and a torsion spring 32; the limiting block 31 is elastically rotatably arranged at the side part of the first drill rod 1 through a torsion spring 32, and a clamping groove 21 corresponding to the limiting component 3 is arranged at the side part of the second drill rod 2; when second drill rod 2 pegs graft, second drill rod 2 starts extrusion spacing subassembly 3 this moment, and then make stopper 31 rotate and compress torsional spring 32 with mounted position as the center, spacing subassembly 3 rotates the separation to both sides this moment, when second drill rod 2 pegs graft in place to first drill rod 1 in, thereby stopper 31 makes stopper 31 resume the original state under torsional spring 32's effect of recovering deformation rotate to carry out the joint with draw-in groove 21 and carry out spacing fixedly to second drill rod 2, the better dismantlement or the installation of being convenient for.
In this embodiment, as shown in fig. 1 to 4, the stopper 31 includes a connection block 311 and a fixture block 312; the first end of the connecting block 311 is elastically and rotatably connected with the side part of the first drill rod 1 through a torsion spring 32, and the second end of the connecting block 311 is fixedly connected with a clamping block 312; when the second drill rod 2 is inserted, the second drill rod 2 starts to extrude the limiting component 3 at the moment, and then the limiting block 31 rotates by taking the installation position as the center, the limiting block 31 rotates and drives the connecting block 311 and the clamping block 312 to rotate together, at the moment, the connecting block 311 rotates and compresses the torsion spring 32, at the moment, the limiting component 3 rotates to two sides to be separated, when the second drill rod 2 is inserted into the first drill rod 1, the connecting block 311 enables the connecting block 311 and the clamping block 312 to rotate and restore to the original positions under the action of restoring deformation of the torsion spring 32, at the moment, the clamping block 312 is just clamped in the clamping groove 21, and therefore the second drill rod 2 is limited and fixed.
In this embodiment, as shown in fig. 2 to 4 and fig. 8 to 9, the outer side wall of the clamping block 312 is an arc surface or an inclined surface, when the second drill rod 2 is inserted, the second drill rod 2 begins to extrude the limiting component 3, at this time, the second drill rod 2 and the outer side wall of the clamping block 312 extrude, so that the limiting block 31 rotates around the installation position, the limiting block 31 rotates with the connecting block 311 and the clamping block 312 together, at this time, the connecting block 311 rotates and compresses the torsion spring 32, at this time, the limiting component 3 rotates to two sides to be separated, and when the second drill rod 2 is inserted into the first drill rod 1, the connecting block 311 and the clamping block 312 rotate and restore to the original position under the action of restoring deformation of the torsion spring 32, at this time, the clamping block 312 is just clamped in the clamping groove 21, so as to limit and fix the second drill rod 2.
In this embodiment, as shown in fig. 6 and 9, an included angle α exists between the extending direction of the connecting block 311 and the inner side wall of the clamping block 312, and the angle α is in the range of 45 ° or more and 90 ° or less; the axial included angle between the side wall of the clamping groove 21 axially attached to the inner side wall of the clamping block 312 and the second drill rod 2 is alpha.
It will be understood that, as shown in fig. 6, when the angle α is 45 °, the inclination angle between the clamping block 312 and the axial direction of the first drill rod 1 is 45 °, and the axial angle between the side wall of the clamping groove 21 that is axially attached and the second drill rod 2 is 45 °.
It will be appreciated that, as shown in fig. 9, when the angle α is 90 °, the latch 312 is perpendicular to the axial direction of the first drill rod 1.
In this embodiment, as shown in fig. 1 to 8, the locking assembly 4 is mounted on the first drill rod 1, and the locking assembly 4 includes a first locking block 41 and a second locking block 42 that are elastically connected; a sliding groove 11 is formed in the side part of the first drill rod 1 in a penetrating way, a first locking block 41 and a second locking block 42 are connected together in a sliding connection mode in the sliding groove 11 through a spring in an elastic mode, a locking groove 43 is formed in the side part of the limiting block 31, and the locking groove 43 is matched with the first locking block 41; when the second drill rod 2 does not start to extrude the limiting component 3, the second locking block 42 at the moment partially extends out of the sliding groove 11, the first locking block 41 does not extend out of the sliding groove 11, the first locking block 41 and the locking groove 43 are positioned on the same horizontal line, when the second drill rod 2 starts to be spliced with the first drill rod 1, the second drill rod 2 starts to extrude the limiting component 3, the second drill rod 2 extrudes the outer side wall of the clamping block 312, so that the limiting block 31 rotates around the installation position, the limiting block 31 rotates together with the connecting block 311 and the clamping block 312, the connecting block 311 rotates and compresses the torsion spring 32, the limiting component 3 rotates to be separated towards two sides, the locking groove 43 positioned on the limiting block 31 is not positioned on the same horizontal plane with the first locking block 41 any more due to the rotation separation of the limiting component 3 towards two sides, and the first locking block 41 cannot extend out of the sliding groove 11; meanwhile, when the second drill rod 2 is inserted into the first drill rod 1, the second drill rod 2 starts to extrude the second locking block 42, the second locking block 42 is extruded to enable the second locking block 42 to extend into the sliding groove 11, when the second locking block 42 extends into the sliding groove 11, the first locking block 41 is extruded under elastic extrusion of a spring, the first locking block 41 slides to the leftmost end of the sliding groove 11 under elastic extrusion of the spring, but cannot slide out of the sliding groove 11, when the second drill rod 2 is inserted into the first drill rod 1, the clamping block 312 sliding on the outer wall of the second drill rod 2 gradually slides into the clamping groove 21, the connecting block 311 enables the connecting block 311 and the clamping block 312 to rotate and restore to the original position under the action of restoring deformation of the torsion spring 32, the clamping block 312 is just clamped in the clamping groove 21, the locking groove 43 of the limiting block 31 and the first locking block 41 are positioned on the same horizontal plane, and the first locking block 41 are just clamped in the clamping groove 21, and the first locking block 31 extends out of the sliding groove 3 and protrudes out of the sliding groove 11 through the elastic extrusion of the first locking block 41, and the first locking block 3 is fixed in the sliding groove 11, and the limiting assembly is fixed in the first locking block 1.
It should be noted that, as shown in fig. 1 to 5 and fig. 7 to 8, when the first locking block 41 is unlocked, the following two arrangements are included, but not limited to.
Setting mode one: as shown in fig. 1 to 5, the side portion of the locking groove 43 is in a penetrating state, and the first locking block 41 can be pressed by a tool, so that the first locking block 41 is completely separated from the locking groove 43 and enters the sliding groove 11, and the limiting assembly 3 can be unlocked.
Setting mode II: as shown in fig. 7 to 8, an unlocking hole 51 communicating with the locking groove 43 is provided in the side portion of the stopper 31; an unlocking member 52 is mounted in the unlocking hole 51, the unlocking member 52 is adapted to be in guiding engagement with the first locking block 41, and the extending direction of the unlocking hole 51 is 0-90 degrees to the extending direction of the locking groove 43.
As shown in fig. 7, when the extending direction of the unlocking hole 51 and the extending direction of the locking groove 43 are 0 °, that is, the unlocking hole 51 is opposite to the locking groove 43, the unlocking member 52 includes an unlocking block elastically mounted inside the locking groove 43, one side of the unlocking block is fixedly provided with an unlocking rod penetrating from the unlocking hole 51, and the outer wall of the unlocking rod is sleeved with a spring; when the unlocking is needed, the unlocking rod can be pressed at the moment, the unlocking rod moves to slide in the locking groove 43 with the unlocking block, and then the unlocking block pushes the first locking block 41 until the first locking block 41 completely extends out of the locking groove 43 for unlocking.
As shown in fig. 8, when the extending direction of the unlocking hole 51 and the extending direction of the locking groove 43 are 90 degrees, that is, the unlocking hole 51 is perpendicular to the locking groove 43, the unlocking component 52 at this time includes an unlocking block elastically slidably mounted in the locking groove 43, one side of the unlocking block at this time is parallel to the inclined plane of the first locking block 41, the inclined plane of the unlocking block is matched with the inclined plane of the unlocking block in an extrusion manner, one side of the unlocking block opposite to the unlocking hole 51 is fixedly mounted with an unlocking rod, and the outer wall of the unlocking rod extending out of the unlocking hole 51 is sleeved with a spring; when unlocking is needed, the unlocking rod can be pressed at this time, the unlocking rod moves to slide in the locking groove 43 with the unlocking block, and the unlocking block slides to squeeze the first locking block 41 through the squeezing of the inclined plane at this time, so that the first locking block 41 moves along the moving direction perpendicular to the unlocking block, and the first locking block 41 completely extends out of the locking groove 43 to unlock.
It is understood that the first setting mode and the second setting mode are suitable for the application, and those skilled in the art can select according to actual needs.
The foregoing has outlined the basic principles, main features and advantages of the present application. It will be appreciated by persons skilled in the art that the present application is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the present application, and that various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of protection of the present application is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a drill rod structure of quartering hammer which characterized in that: the device comprises a first drill rod, a second drill rod and a pair of limiting assemblies; the limiting assemblies are symmetrically arranged at the lower end of the first drill rod, the second drill rod is suitable for being connected with the first drill rod in an inserting mode, and in the inserting process of the second drill rod, the second drill rod is suitable for extruding the limiting assemblies to open until the second drill rod is inserted in place, and the limiting assemblies are suitable for being axially and limited and clamped with the second drill rod.
2. The drill rod structure of the breaking hammer according to claim 1, wherein: the side part of the second drill rod is provided with a clamping groove; the limiting assembly comprises a limiting block and a torsion spring; the limiting block is elastically rotatably arranged on the first drill rod through the torsion spring; when the second drill rod is inserted, the second drill rod is suitable for extruding the limiting block to rotate around the mounting position and compress the torsion spring; when the second drill rod is inserted into place, the limiting block is suitable for rotating to be clamped with the clamping groove under the elasticity of the torsion spring.
3. The drill rod structure of the breaking hammer according to claim 2, wherein: the limiting block comprises a connecting block and a clamping block; the first end of the connecting block is elastically connected with the first drill rod in a rotating mode through the torsion spring, the second end of the connecting block is connected with the clamping block, and the connecting block is suitable for driving the clamping block to be clamped with or separated from the clamping groove through rotation.
4. A shank structure of a breaking hammer as claimed in claim 3, wherein: the outer side wall of the clamping block is an arc surface or an inclined surface, so that the second drill rod is extruded with the outer side wall of the clamping block to drive the connecting block to drive the clamping block to rotate around the installation position.
5. A shank structure of a breaking hammer as claimed in claim 3, wherein: an included angle alpha exists between the extending direction of the connecting block and the inner side wall of the clamping block, and the angle range of alpha is more than or equal to 45 degrees and less than or equal to 90 degrees; the axial included angle between the side wall of the clamping groove axially attached to the inner side wall of the clamping block and the second drill rod is alpha.
6. The drill rod structure of the breaking hammer according to claim 2, wherein: the drill rod structure of the breaking hammer further comprises a locking assembly, the locking assembly is mounted on the first drill rod, and the locking assembly is suitable for locking the limiting assembly in the clamping state.
7. The drill rod structure of the breaking hammer according to claim 6, wherein: the locking assembly comprises a first locking block and a second locking block which are elastically connected; the side part of the first drill rod is provided with a sliding groove, and the first locking block and the second locking block form sliding fit in the sliding groove; a locking groove is formed in the side part of the limiting block; when the second drill rod is inserted into the first drill rod, the second drill rod is suitable for extruding the second locking block, so that the second locking block elastically extrudes the first locking block, and when the second drill rod is inserted into the first drill rod, the second locking block is suitable for elastically extruding the first locking block to extend into the locking groove, so that the limiting assembly and the first drill rod are locked.
8. The drill rod structure of the breaking hammer according to claim 7, wherein: the locking groove is arranged in a penetrating mode, so that the first locking block is extruded by a tool to be separated from the locking groove so as to be unlocked.
9. The drill rod structure of the breaking hammer according to claim 8, wherein: an unlocking hole communicated with the locking groove is formed in the side part of the limiting block; an unlocking part is arranged in the unlocking hole and is suitable for being in guide fit with the first locking block, so that the first locking block is driven to be separated from the locking groove by pressing the unlocking part to unlock.
10. The drill rod structure of the breaking hammer according to claim 9, wherein: the extending direction of the unlocking hole and the extending direction of the locking groove are 0-90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320937848.1U CN219491135U (en) | 2023-04-24 | 2023-04-24 | Drill rod structure of breaking hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320937848.1U CN219491135U (en) | 2023-04-24 | 2023-04-24 | Drill rod structure of breaking hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219491135U true CN219491135U (en) | 2023-08-08 |
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ID=87482685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320937848.1U Active CN219491135U (en) | 2023-04-24 | 2023-04-24 | Drill rod structure of breaking hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219491135U (en) |
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2023
- 2023-04-24 CN CN202320937848.1U patent/CN219491135U/en active Active
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