CN116809145A - Linear vibration high-frequency breaking hammer - Google Patents
Linear vibration high-frequency breaking hammer Download PDFInfo
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- CN116809145A CN116809145A CN202310783250.6A CN202310783250A CN116809145A CN 116809145 A CN116809145 A CN 116809145A CN 202310783250 A CN202310783250 A CN 202310783250A CN 116809145 A CN116809145 A CN 116809145A
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- eccentric wheel
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- 230000005284 excitation Effects 0.000 claims abstract description 70
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 239000011435 rock Substances 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 32
- 238000001125 extrusion Methods 0.000 description 9
- 230000035939 shock Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/12—Mills with non-rotating spiked members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Earth Drilling (AREA)
Abstract
The application relates to the technical field of mine rock exploitation crushing equipment, in particular to a linear vibration high-frequency crushing hammer. The two mirror-image eccentric wheels are fixed on the same excitation frame, the resultant force of the excitation forces in the horizontal direction is zero, and the excitation force components in the vertical direction are mutually overlapped. The triangular hammer head is rigidly connected with the excitation frame, and can directly apply the excitation force on the rock through the triangular hammer head. The outer box body is connected with the excitation frame through an upper spring and a lower spring, so that excitation force generated on the operation mechanical equipment is reduced. The exciting force is directly transmitted to the crushing part, the direction of the exciting frame along the vibrating direction of the guide shaft is the same as the direction of the exciting force, the crushing force is large, the working efficiency is high, and the power loss is small; the maintenance cost is low; the upper spring and the lower spring are used for buffering, so that exciting force is prevented from being transmitted to the connected operation mechanical equipment, and the service life of the equipment is prolonged; the oil storage sponge periodically lubricates the gear surface, improves the transmission efficiency, and prolongs the service life of the gear.
Description
Technical Field
The application relates to the technical field of mine rock exploitation equipment, in particular to a linear vibration high-frequency breaking hammer.
Background
The traditional high-frequency breaking hammer is physical breaking equipment integrating mechanical hydraulic mechanics, digital signals and digital monitoring, and cutter teeth of the high-frequency breaking hammer can generate impact force on an object under the action of an excitation device, so that breaking is realized. The high-frequency breaking hammer comprises an excitation frame, a breaking part, an excitation device and a transmission part; the excitation frame is provided with a connecting part which is used for being connected with other operation mechanical equipment such as an excavating arm of an excavator; the excitation device is connected to the excitation frame; the excitation device comprises a first gear, a second gear, a first eccentric wheel, a second eccentric wheel and a driving device; the first gear is fixedly connected with the first eccentric wheel, and the combination of the first gear and the first eccentric wheel is connected with the excitation frame through a revolute pair; the second gear is fixedly connected with the second eccentric wheel, and the combination of the second gear and the second eccentric wheel is connected with the excitation frame through a revolute pair; the first gear is meshed with the second gear; the driving device is fixedly connected with the first gear or the second gear, and the first eccentric wheel and the second eccentric wheel synchronously rotate in opposite phases; the transmission part comprises a connecting rod and an airbag, and the crushing part is connected with the excitation frame through the transmission part. The structure of the connecting rod and the safety airbag adopted by the traditional high-frequency breaking hammer has the advantages that the linear reciprocating motion track of the vibration excitation device is in conflict with the circumferential constraint of the connecting rod, so that part of vibration excitation force is not applied to stones at the striking points but is applied to the pull rod bearing, the effective vibration excitation force is reduced or limited, the working efficiency is reduced, and most of vibration excitation force is transmitted to the pull rod bearing, so that the pull rod bearing is easy to damage; and larger exciting force can be generated on the operation mechanical equipment, so that the joint pin shaft and the bearing of the operation mechanical equipment are seriously worn, and the service life of the operation mechanical equipment is shortened. The single-direction safety airbag is stressed, the high-frequency breaking hammer is empty to damage the airbag, the failure is frequent, the replacement and the maintenance are frequent, the engineering construction period is delayed, and the maintenance cost is increased.
To this end, the present application provides a linear vibration high frequency breaking hammer to solve the above technical problems.
Disclosure of Invention
The application aims to provide a linear vibration high-frequency breaking hammer, which drives a hammer head to perform linear vibration breaking through a high-frequency vibration mechanism, and can also link lubrication mechanisms in a first gear and a second gear to work in the mechanical driving process, so that the device can be ensured to stably operate for a long time.
In order to achieve the above purpose, the present application provides the following technical solutions: a linear vibration high-frequency breaking hammer comprises an outer box body, an excitation frame, an upper spring and a lower spring; the outer box body is provided with a connecting part which is used for being connected with other operation mechanical equipment such as an excavating arm of an excavator; at least two guide rods in the vertical direction are fixedly arranged on the outer box body; a guide sleeve is fixedly arranged on the excitation frame; the guide rod is in sliding fit with the guide sleeve; the excitation frame is positioned in the outer box body; the upper end of the upper spring is connected with the upper inner wall of the outer box body, the lower end of the upper spring is connected with the upper end of the excitation frame, the upper end of the lower spring is connected with the lower end of the excitation frame, and the lower end of the lower spring is connected with the lower inner wall of the outer box body.
The application also comprises a triangular hammer, wherein the upper end of the triangular hammer is fixedly connected with the excitation frame, the hammer tip of the triangular hammer faces downwards and penetrates through the wall of the outer box body to extend outwards; the cross section of the triangular hammer head is rectangular, the lower part is triangular, the lowest end is a flat blade, and the blade part is wider and is suitable for crushing softer rock and soil layers.
The application also comprises an excitation device; the excitation device comprises a first gear, a second gear, a first eccentric wheel, a second eccentric wheel and a driving device; the first gear is fixedly connected with the first eccentric wheel, and the combination of the first gear and the first eccentric wheel is connected with the excitation frame through a revolute pair; the second gear is fixedly connected with the second eccentric wheel, and the combination of the second gear and the second eccentric wheel is connected with the excitation frame through a revolute pair; the first gear is meshed with the second gear; the driving device is fixedly connected with the first gear or the second gear, and drives the first eccentric wheel and the second eccentric wheel to synchronously and reversely rotate through the combination of the first gear and the second gear; the exciting force generated by the rotation of one eccentric wheel periodically faces the periphery of a rotating shaft, the two mirror-image eccentric wheels are fixed on the same exciting frame, the exciting force components in the horizontal direction are equal in size and opposite in direction, the resultant force is zero, the exciting force components in the vertical direction are mutually overlapped, and the resultant result is that exciting force exists only in the vertical direction and exciting force does not exist in the horizontal direction.
The inner part of the first gear or the second gear is provided with arc-shaped oil storage cavities, oil storage sponge is arranged in each oil storage cavity, one side, away from the axial lead of the first gear or the second gear, of each oil storage cavity is provided with a plurality of oil outlet holes, and the outer port of each oil outlet hole is positioned at the tooth bottom of the first gear or the second gear; the extrusion plate is arc-shaped, and the shape of the extrusion plate is matched with the oil storage cavity; the oil storage sponge is placed on one side, provided with the oil outlet, of the oil storage cavity.
A limiting shaft is fixedly arranged on one side, close to the axial lead of the first gear or the second gear, of the extruding plate, and an anti-falling block is arranged at the other end of the limiting shaft; the application also comprises a return spring; the reset spring is sleeved on the limiting shaft; a spring chamber is further arranged in the first gear or the second gear, and the spring chamber is closer to the axial lead than the oil storage cavity; the spring chamber is provided with a spring blocking surface facing the axial lead; the return spring and the anti-falling block are arranged in the spring chamber; the first end of the return spring compresses the anti-drop block, and the second end of the return spring compresses the spring blocking surface; the squeeze plate has a tendency to move toward the axis under the elastic force of the return spring.
The driving device is an electric motor, a hydraulic motor or a pneumatic motor, and preferably the hydraulic motor is used.
The triangular hammer head can be replaced by a drill rod, the cross section of the drill rod is round, the lower end of the drill rod is sharp, the pressure on the rock is high, and the triangular hammer head is suitable for crushing hard rock.
The driving device drives the first eccentric wheel and the second eccentric wheel to synchronously and reversely rotate through the combination of the first gear and the second gear; the exciting force generated by the rotation of one eccentric wheel periodically faces the periphery of a rotating shaft, the two mirror-image eccentric wheels are fixed on the same exciting frame, the exciting force components in the horizontal direction are equal in size and opposite in direction, the resultant force is zero, the exciting force components in the vertical direction are mutually overlapped, and the resultant result is that exciting force exists only in the vertical direction and exciting force does not exist in the horizontal direction. The triangular hammer head is rigidly connected with the excitation frame, and can directly apply the excitation force on the rock through the triangular hammer head. The outer box body is connected with the exciting frame through the upper spring and the lower spring, the upper spring and the lower spring can buffer exciting force, the exciting force transferred to the outer box body is greatly reduced, exciting force generated to the operating mechanical equipment is reduced, the abrasion degree of a joint pin shaft and a bearing of the operating mechanical equipment is greatly reduced, the service life of the operating mechanical equipment is prolonged, the exciting force is more applied to the triangular hammer, and the service efficiency of the exciting force is improved.
Because the existence of vibration, the rotation of first gear and second gear is not the constant speed, and stumbling is quick and slow, and the stripper plate produces great centrifugal force when the rotational speed is quick, and the stripper plate overcomes reset spring's elastic force and keeps away from the axial lead of gear, extrudes the oil storage sponge, and the lubricating oil in the oil storage sponge flows out through the oil outlet, flows to the gear tooth on, reaches the purpose of lubricated gear. When the rotating speed is reduced, the extrusion plate generates smaller centrifugal force, and the extrusion plate is close to the axial lead of the gear under the action of the elastic force of the return spring, so that the purpose of return is achieved.
The triangular hammer head of the linear vibration high-frequency breaking hammer is replaced by a hammering drill rod, the lower end of the excitation frame is provided with a drill rod sliding sleeve, and a drill rod guide hole and a play cavity are arranged in the drill rod sliding sleeve; the diameter of the play cavity is larger than that of the drill rod guide hole; the upper inner end surface of the play cavity is a hammering end surface;
a drill rod shoulder is arranged on the hammering drill rod; the hammering drill rod is in sliding fit with the drill rod guide hole, and the drill rod shoulder is arranged in the play cavity; the drill rod spring is also included; the drill rod spring is positioned in the drill rod guide hole, the upper end of the drill rod spring is pressed against the inner upper end face of the drill rod guide hole, and the lower end of the drill rod spring is pressed against the upper end face of the hammering drill rod.
When the drill rod is in operation, the mechanical equipment is operated to drive the drill rod hammering device, so that the drill rod hammering device presses a drill rod on rock to be crushed, the shock excitation frame downwards compresses the drill rod spring, the hammering end face is pressed on the drill rod shoulder, the shock excitation frame moves up and down, and when the shock excitation frame downwards moves, the drill rod shoulder is hammered downwards, and the drill rod shoulder is subjected to unidirectional hammering force of the shock excitation frame.
The beneficial effects of the application are as follows: the exciting force is directly transmitted to the crushing part without passing through intermediate links such as a pull rod shaft and the like, the direction of the exciting frame along the vibration of the guide shaft is completely the same as the direction of the exciting force, the crushing force is large, the working efficiency is high, the stability is high, and the power loss is small; the air bag structure is not provided, the air bag can be opened, the phenomenon of damaging the air bag is avoided, and the maintenance cost is low; the upper spring and the lower spring are used for buffering, so that exciting force is prevented from being transmitted to the connected operation mechanical equipment, and the service life of the equipment is prolonged; the oil storage sponge periodically lubricates the gear surface, improves the transmission efficiency, and prolongs the service life of the gear.
Drawings
FIG. 1 is a schematic three-dimensional structure of embodiment 1 of the present application;
FIG. 2 is a schematic three-dimensional structure of embodiment 1 of the present application, with the outer case removed;
FIG. 3 is a schematic three-dimensional structure of an excitation device;
FIG. 4 is a front cross-sectional view of the first gear and the second gear;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a schematic view of a three-dimensional junction structure of a squeeze plate;
FIG. 7 is a schematic view of a three-dimensional structure of embodiment 1 of the present application, in which a vibratory drill rod is used instead of a triangular hammer;
fig. 8 is a schematic three-dimensional structure of embodiment 2 of the present application.
Fig. 9 is a schematic view of the hammer end face of embodiment 2 of the present application pressed against the shank shoulder.
In the figure: 1. an outer case; 11. a connection part; 12. a guide rod; 13. hammering the drill rod hole; 14. hammering the end face; 2. exciting the frame; 21. guide sleeve; 22. a drill rod sliding sleeve; 221. drill rod guiding hole; 222. hammering the end face; 223. a play chamber; 31. triangular hammer head; 32. vibrating the drill rod; 33. hammering the drill rod; 331. a drill rod shoulder; 332. a drill rod spring; 4. an excitation device; 41. a first gear; 411. an oil storage chamber; 412. an extrusion plate; 4121. a limiting shaft; 4122. a return spring; 4123. an anti-falling block; 413. an oil storage sponge; 414. an oil outlet hole; 415. a spring chamber; 416. a spring blocking surface; 42. a second gear; 43. a first eccentric; 44. a second eccentric; 45. a driving device; 5. a spring is arranged; 6. and a lower spring.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1: a linear vibration high-frequency breaking hammer comprises an outer box body 1, an excitation frame 2, an upper spring 5 and a lower spring 6; the outer box body 1 is provided with a connecting part 11 for being connected with other operation mechanical equipment such as an excavating arm of an excavator; at least two guide rods 12 in the vertical direction are fixedly arranged on the outer box body 1; a guide sleeve 21 is fixedly arranged on the excitation frame 2; the guide rod 12 is in sliding fit with the guide sleeve 21; the excitation frame 2 is positioned in the outer box body 1; the upper end of the upper spring 5 is connected with the upper inner wall of the outer box body 1, the lower end of the upper spring 5 is connected with the upper end of the excitation frame 2, the upper end of the lower spring 6 is connected with the lower end of the excitation frame 2, and the lower end of the lower spring 6 is connected with the lower inner wall of the outer box body 1.
The embodiment also comprises a triangular hammer head 31, wherein the upper end of the triangular hammer head 31 is fixedly connected with the excitation frame 2, the hammer tip of the triangular hammer head 31 is downward and extends to the outside through a hole on the wall of the outer box body 1; the cross section of the triangular hammer head 31 is rectangular, the lower part is triangular, the lowest end is a flat blade, and the blade part is wider and is suitable for crushing softer rock and soil layers.
The embodiment also comprises an excitation device 4; the excitation device 4 comprises a first gear 41, a second gear 42, a first eccentric wheel 43, a second eccentric wheel 44 and a driving device 45; the first gear 41 is fixedly connected with the first eccentric wheel 43, and the combination of the first gear 41 and the first eccentric wheel 43 is connected with the excitation frame 2 through a revolute pair; the second gear 42 is fixedly connected with the second eccentric wheel 44, and the combination of the second gear 42 and the second eccentric wheel 44 is connected with the excitation frame 2 through a revolute pair; the first gear 41 and the second gear 42 are engaged; the driving device 45 is fixedly connected with the first gear 41 or the second gear 42, and the driving device 45 drives the first eccentric wheel 43 and the second eccentric wheel 44 to synchronously rotate in opposite phases through the combination of the first gear 41 and the second gear 42; the exciting force generated by the rotation of one eccentric wheel periodically faces the periphery of the rotating shaft, the two mirror-image eccentric wheels are fixed on the same exciting frame 2, the exciting force components in the horizontal direction are equal in size and opposite in direction, the resultant force is zero, the exciting force components in the vertical direction are mutually overlapped, and the resultant result is that exciting force exists only in the vertical direction and exciting force does not exist in the horizontal direction.
Circular arc-shaped oil storage cavities 411 are formed in the first gear 41 or the second gear 42, oil storage sponges 413 are arranged in the oil storage cavities 411, a plurality of oil outlet holes 414 are formed in one side, away from the axis of the first gear 41 or the second gear 42, of the oil storage cavities 411, and outer ports of the oil outlet holes 414 are located at the bottoms of the teeth of the first gear 41 or the second gear 42; the device also comprises a squeeze plate 412, wherein the squeeze plate 412 is arc-shaped, and the shape of the squeeze plate 412 is matched with the oil storage cavity 411; the oil storage sponge 413 is placed on one side of the oil storage cavity where the oil outlet hole 414 is provided.
A limiting shaft 4121 is fixedly arranged on one side, close to the axial line of the first gear 41 or the second gear 42, of the extruding plate 412, and an anti-falling block 4123 is further arranged at the other end of the limiting shaft 4121; the present embodiment further includes a return spring 4122; the reset spring 4122 is sleeved on the limiting shaft 4121; a spring chamber 415 is also arranged in the first gear 41 or the second gear 42, and the spring chamber 415 is closer to the axial lead than the oil storage chamber 411; the spring chamber 415 is provided with a spring stop surface 416 facing the axis; the return spring 4122 and the anti-drop block 4123 are within the spring chamber 415; the first end of the return spring 4122 presses the anti-drop block 4123, and the second end of the return spring 4122 presses the spring blocking surface 416; the pressing plate 412 tends to move toward the axis under the elastic force of the return spring 4122.
The driving device 45 is an electric motor, a hydraulic motor or a pneumatic motor, preferably a hydraulic motor.
The triangular hammer 31 can be replaced by a drill rod 32, the cross section of the drill rod 32 is round, the lower end of the drill rod 32 is sharp, the pressure on the rock is high, and the triangular hammer is suitable for crushing harder rock.
The driving device 45 of the present embodiment drives the first eccentric wheel 43 and the second eccentric wheel 44 to rotate in opposite phases synchronously through the combination of the first gear 41 and the second gear 42; the exciting force generated by the rotation of one eccentric wheel periodically faces the periphery of the rotating shaft, the two mirror-image eccentric wheels are fixed on the same exciting frame 2, the exciting force components in the horizontal direction are equal in size and opposite in direction, the resultant force is zero, the exciting force components in the vertical direction are mutually overlapped, and the resultant result is that exciting force exists only in the vertical direction and exciting force does not exist in the horizontal direction. The triangular hammer 31 is rigidly connected with the excitation frame 2, and can directly apply the excitation force to the rock through the triangular hammer 31. The outer box body 1 is connected with the excitation frame 2 through the upper spring 5 and the lower spring 6, the upper spring 5 and the lower spring 6 can buffer the excitation force, the excitation force transmitted to the outer box body 1 is greatly reduced, the excitation force generated to the operation mechanical equipment is reduced, the abrasion degree of a joint pin shaft and a bearing of the operation mechanical equipment is greatly reduced, the service life of the operation mechanical equipment is prolonged, the excitation force is more applied to the triangular hammer 31, and the service efficiency of the excitation force is improved.
Because of the existence of vibration, the rotation of the first gear 41 and the second gear 42 is not at a constant speed, the extrusion plate 412 generates a larger centrifugal force when the rotation speed is high, the extrusion plate 412 overcomes the elastic force of the return spring 4122 and is far away from the axial line of the gears, the oil storage sponge 413 is extruded, and the lubricating oil in the oil storage sponge 413 flows out through the oil outlet 414 and flows onto the gear teeth, so that the purpose of lubricating the gears is achieved. When the rotation speed is reduced, the extrusion plate 412 generates smaller centrifugal force, and the extrusion plate 412 is close to the axial line of the gear under the action of the elastic force of the return spring 4122, so that the purpose of return is achieved.
Example 2: the linear vibration high-frequency breaking hammer is characterized in that a triangular hammer head 31 is replaced by a hammering drill rod 33, a drill rod sliding sleeve 22 is arranged at the lower end of the excitation frame 2, and a drill rod guide hole 221 and a play cavity 223 are arranged in the drill rod sliding sleeve 22; the diameter of the play cavity 223 is larger than that of the drill rod guide hole 221; the upper inner end surface of the play cavity 223 is a hammering end surface 222;
as shown in fig. 8, the hammering drill rod 33 is provided with a drill rod shoulder 331; the hammering drill rod 33 is in sliding fit with the drill rod guide hole 221, and the drill rod shoulder 331 is arranged in the play cavity 223; also included is a drill rod spring 332; the drill rod spring 332 is located in the drill rod guide hole 221, the upper end of the drill rod spring 332 presses the inner upper end face of the drill rod guide hole 221, and the lower end of the drill rod spring 332 presses the upper end face of the hammering drill rod 33.
In operation, the mechanical device is operated to drive the present embodiment, so that the hammering drill rod 33 is pressed against the rock to be crushed, as shown in fig. 9, the exciting frame 2 compresses the drill rod spring 332 downwards, the hammering end face 222 is pressed against the drill rod shoulder 331, the exciting frame 2 moves up and down, the drill rod shoulder 331 is hammered downwards when moving downwards, and the drill rod shoulder 331 is excited by the unidirectional hammering force of the exciting frame 2.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present application, and although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present application.
Claims (8)
1. A linear vibration high-frequency breaking hammer comprises an excitation frame (2); the method is characterized in that: the device also comprises an outer box body (1), an upper spring (5) and a lower spring (6); a connecting part (11) is arranged on the outer box body (1); at least two guide rods (12) in the vertical direction are fixedly arranged on the outer box body (1); a guide sleeve (21) is fixedly arranged on the excitation frame (2); the guide rod (12) is in sliding fit with the guide sleeve (21); the excitation frame (2) is positioned in the outer box body (1); the upper end of the upper spring (5) is connected with the upper inner wall of the outer box body (1), the lower end of the upper spring (5) is connected with the upper end of the excitation frame (2), the upper end of the lower spring (6) is connected with the lower end of the excitation frame (2), and the lower end of the lower spring (6) is connected with the lower inner wall of the outer box body (1).
2. A linear oscillating high frequency breaking hammer according to claim 1, characterized in that: the device also comprises a triangular hammer head (31), wherein the upper end of the triangular hammer head (31) is fixedly connected with the excitation frame (2), the hammer tip of the triangular hammer head (31) is downward and extends to the outside through a hole on the wall of the outer box body (1); the cross section of the triangular hammer head (31) is rectangular, the lower part of the triangular hammer head is triangular, and the lowest end of the triangular hammer head is a flat blade.
3. A linear vibrating high frequency breaking hammer as set forth in claim 2, wherein: the device also comprises an excitation device (4); the excitation device (4) comprises a first gear (41), a second gear (42), a first eccentric wheel (43), a second eccentric wheel (44) and a driving device (45); the first gear (41) is fixedly connected with the first eccentric wheel (43), and the combination of the first gear (41) and the first eccentric wheel (43) is connected with the excitation frame (2) through a revolute pair; the second gear (42) is fixedly connected with the second eccentric wheel (44), and the combination of the second gear (42) and the second eccentric wheel (44) is connected with the excitation frame (2) through a revolute pair; the first gear (41) and the second gear (42) are meshed; the driving device (45) is fixedly connected with the first gear (41) or the second gear (42), and the driving device (45) drives the first eccentric wheel (43) and the second eccentric wheel (44) to synchronously rotate in opposite phases through the combination of the first gear (41) and the second gear (42).
4. A linear oscillating high frequency breaking hammer as claimed in claim 3 wherein: circular arc-shaped oil storage cavities (411) are formed in the first gear (41) or the second gear (42), oil storage sponges (413) are arranged in the oil storage cavities (411), a plurality of oil outlet holes (414) are formed in one side, away from the axial line of the first gear (41) or the second gear (42), of the oil storage cavities (411), and outer ports of the oil outlet holes (414) are located at the bottoms of teeth of the first gear (41) or the second gear (42); the device also comprises a squeezing plate (412), wherein the squeezing plate (412) is arc-shaped, and the shape of the squeezing plate (412) is matched with the oil storage cavity (411); the oil storage sponge (413) is placed on one side, provided with the oil outlet hole (414), in the oil storage cavity.
5. A linear oscillating high frequency breaking hammer according to claim 4, wherein: a limiting shaft (4121) is fixedly arranged on one side, close to the axial lead of the first gear (41) or the second gear (42), of the extruding plate (412), and an anti-falling block (4123) is further arranged at the other end of the limiting shaft (4121); also comprises a return spring (4122); the reset spring (4122) is sleeved on the limiting shaft (4121); a spring chamber (415) is further arranged in the first gear (41) or the second gear (42), and the spring chamber (415) is closer to the axial lead than the oil storage cavity (411); the spring chamber (415) is provided with a spring baffle surface (416) facing the axial lead; the return spring (4122) and the anti-drop block (4123) are within a spring chamber (415); the first end of the return spring (4122) presses the anti-falling block (4123), and the second end of the return spring (4122) presses the spring blocking surface (416); the pressing plate (412) tends to move toward the axis under the elastic force of the return spring (4122).
6. A linear oscillating high frequency breaking hammer according to claim 5, wherein: the drive means (45) is an electric, hydraulic or pneumatic motor.
7. A linear oscillating high frequency breaking hammer according to claim 6, wherein: the triangular hammer head (31) can be replaced by a drill rod (32), the cross section of the drill rod (32) is round, and the lower end of the drill rod (32) is pointed.
8. A linear vibrating high frequency breaking hammer according to claim 3 or 4 or 5 or 6, characterized in that: the triangular hammer head (31) is replaced by a hammering drill rod (33), the lower end of the excitation frame (2) is provided with a drill rod sliding sleeve (22), and a drill rod guide hole (221) and a play cavity (223) are arranged in the drill rod sliding sleeve (22); the diameter of the play cavity (223) is larger than that of the drill rod guide hole (221); the upper inner end surface of the play cavity (223) is a hammering end surface (222);
a drill rod shoulder (331) is arranged on the hammering drill rod (33); the hammering drill rod (33) is in sliding fit with the drill rod guide hole (221), and the drill rod shoulder (331) is arranged in the play cavity (223); also includes a drill rod spring (332); the drill rod spring (332) is positioned in the drill rod guide hole (221), the upper end of the drill rod spring (332) is pressed against the inner upper end face of the drill rod guide hole (221), and the lower end of the drill rod spring (332) is pressed against the upper end face of the hammering drill rod (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310783250.6A CN116809145A (en) | 2023-06-29 | 2023-06-29 | Linear vibration high-frequency breaking hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310783250.6A CN116809145A (en) | 2023-06-29 | 2023-06-29 | Linear vibration high-frequency breaking hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116809145A true CN116809145A (en) | 2023-09-29 |
Family
ID=88119908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310783250.6A Pending CN116809145A (en) | 2023-06-29 | 2023-06-29 | Linear vibration high-frequency breaking hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116809145A (en) |
-
2023
- 2023-06-29 CN CN202310783250.6A patent/CN116809145A/en active Pending
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