CN110670648B - Spring metamorphic excavating mechanism - Google Patents
Spring metamorphic excavating mechanism Download PDFInfo
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- CN110670648B CN110670648B CN201910822702.0A CN201910822702A CN110670648B CN 110670648 B CN110670648 B CN 110670648B CN 201910822702 A CN201910822702 A CN 201910822702A CN 110670648 B CN110670648 B CN 110670648B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 238000003825 pressing Methods 0.000 claims description 15
- 230000005294 ferromagnetic effect Effects 0.000 claims description 7
- 230000000452 restraining effect Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/301—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom with more than two arms (boom included), e.g. two-part boom with additional dipper-arm
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/302—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom with an additional link
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
- E02F3/402—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors
Abstract
The invention discloses a spring metamorphic excavating mechanism which comprises a rack, wherein a first driving rod, a fourth connecting rod, a second driving rod and a pressure rod sleeve are sequentially hinged to the rack from left to right, the upper end of the first driving rod is hinged to the first connecting rod, the upper end of the fourth connecting rod is hinged to the upper end of the first connecting rod through the second connecting rod, the middle of the fourth connecting rod is hinged to the upper end of the second driving rod through the third connecting rod, the pressure rod sleeve is connected with a pressure rod in a sleeved mode, an excavating bucket hinged to the pressure rod sleeve is arranged on one side of the rack, and the end portion of the pressure rod is connected with the excavating bucket through a spring piece. When the pressure rod and the second connecting rod have no limiting and restricting resistance between the relative motion surfaces, the pressure rod sleeve and the pressure rod keep a certain angle and are unchanged, when the acting force generated in the continuous rotation working process of the second connecting rod is larger than the limiting and restricting resistance of the spring, the length of the spring needs to be changed, the pressure rod sleeve and the pressure rod can generate relative motion, and the metamorphic mechanism realizes the force metamorphic function.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a spring metamorphic excavating mechanism.
Background
Excavators, also known as excavating machines, also known as excavators, are earth moving machines that excavate material above or below a load bearing surface with a bucket and load it into a transport vehicle or unload it to a stockyard. The hydraulic excavator is the excavator which is most widely applied, but the manufacturing cost of a hydraulic system is high, the problems of oil leakage and the like easily occur, the oil leakage can affect the stability and the correctness of the movement, the hydraulic transmission can not ensure a strict transmission ratio, the hydraulic transmission is sensitive to the change of the oil temperature, the change of the liquid viscosity causes the change of the movement characteristic when the temperature changes, and the stability of the work is affected, so the hydraulic excavator is not suitable for working under the environment condition of large temperature change.
The traditional excavator transmission mechanism is based on a fixed number of components and kinematic pairs and has fixed degrees of freedom. The multifunctional and multi-degree-of-freedom excavator has higher requirements on multiple functions and multiple degrees of freedom due to multiple factors such as more and more complex types of mechanical engineering, unstructured production environment, uncertain customer demand and the like. The metamorphic mechanism can change the configuration in motion according to different requirements, thereby providing a mechanism with variable freedom or variable component number, and adapting the metamorphic mechanism to different task requirements and being applied to different occasions. However, the existing multi-degree-of-freedom excavator mainly depends on a multi-degree-of-freedom link mechanism to work, and the multi-degree-of-freedom link mechanism is controlled in the past, so that the control motors with the same number as the freedom degrees of the link mechanism are often used for driving and controlling, the complexity of a rack transmission system is increased, and the application of the multi-degree-of-freedom excavator in the field of engineering machinery is limited to a certain extent; when the existing excavator with the variable degree of freedom is used, the rotating pair and the connecting rod are easy to rotate and wear, so that the connecting rod and the connecting rod are not firmly connected, and when the load of the excavating bucket cannot be borne, the rotating pair is easy to break, so that objects in the excavating bucket or the excavating bucket and objects in the excavating bucket fall off to cause accidents.
Disclosure of Invention
In view of the above, the present invention is directed to a spring metamorphic excavating mechanism, which is used to solve all or one of the problems of the related art.
The spring metamorphic excavating mechanism comprises a frame, wherein a first driving rod, a fourth connecting rod, a second driving rod and a pressure rod sleeve are sequentially hinged to the frame from left to right, the upper end of the first driving rod is hinged to a first connecting rod, the upper end of the fourth connecting rod is hinged to the upper end of the first connecting rod through a second connecting rod, the middle of the fourth connecting rod is hinged to the upper end of the second driving rod through a third connecting rod, a pressure rod is connected to the pressure rod sleeve in a sleeved mode, an excavating bucket hinged to the pressure rod sleeve is arranged on one side of the frame, the end portion of the pressure rod is connected with the excavating bucket through a spring piece, the excavating bucket is connected with the upper end of the fourth connecting rod through a connecting rod, and a fixing assembly is arranged on the lower side of the pressure rod sleeve.
Optionally, the fixed subassembly include with the fixed block that the pressure bar cover is connected, be close to on the fixed block one side of digging the fill is provided with the recess, sliding connection has the press bar in the recess, press bar lower extreme with connect through elastic spring between the recess diapire, be provided with linked switch in the recess, linked switch is including setting up the first electricity connection piece of press bar tip, be provided with on the recess lateral wall with the second electricity connection piece that first electricity connection piece cooperation is connected, be provided with the electro-magnet in the fixed block, dig fill on be provided with the ferromagnetic core that the electro-magnet cooperation is connected, be connected with switch on the pressure bar cover, switch links the commercial power, the electro-magnet switch and linked switch series connection.
Optionally, the pressure bar cover with be provided with adjusting part between the fixed subassembly, adjusting part include with the first motor that the pressure bar cover is connected, the output of first motor is connected with first pivot, be connected with the dead lever on the lateral wall of first pivot, the axis of dead lever with the axis mutually perpendicular of first pivot, the axis of dead lever with the axis of first pivot is alternately, fixed connection on the dead lever fixed subassembly.
Optionally, a traction assembly is arranged on the pressure rod sleeve, the traction assembly comprises a second motor fixedly connected with the pressure rod sleeve, the output end of the second motor is connected with a second rotating shaft, the end of the second motor is connected with a spool coaxially arranged with the second motor, a traction wire is wound on the spool, one end of the traction wire is connected with the side wall of the spool, and the other end of the traction wire is connected with the excavating bucket.
Optionally, the spring member is a restraining spring.
Optionally, the electromagnet is circular.
Optionally, a limiting block connected with the fixing block is arranged below the pressing rod, and a limiting cushion block matched with the limiting block is arranged on the excavating bucket.
From the above, the beneficial effects of the invention are:
1. the excavator is provided with a driving rod, a first connecting rod, a second driving rod, a third connecting rod, a fourth connecting rod, a pressure rod sleeve, a pressure rod, a spring part and an excavating bucket, wherein one end of the pressure rod is connected with a working device; when the second connecting rod has no movement limiting and restricting resistance between the relative movement surfaces, the pressure rod sleeve and the pressure rod keep a certain angle unchanged, when the acting force generated in the continuous rotation working process of the second connecting rod is larger than the movement limiting and restricting resistance of the spring, the length of the spring is required to be changed, the pressure rod sleeve and the pressure rod generate relative movement, and the metamorphic mechanism realizes the force metamorphic function.
2. The excavator bucket is provided with an electromagnet, a ferromagnetic core, a pressing rod, an elastic spring, a first electric connecting sheet, a second electric connecting sheet, a groove and a fixing block, so that an object in the excavator bucket can be moved to one side when the excavator bucket works, the object in the excavator bucket is required to be kept from falling off, the body of a worker is easily damaged or the object falls off if the object falls off, and the working efficiency is reduced.
3. The invention is provided with the second motor, the bobbin and the traction wire, and further moves the excavating bucket excavating objects in the excavating bucket, so that the objects excavated in the excavating bucket are not easy to fall off, the efficiency of the excavating bucket for transporting the objects is improved, the pressure of workers is reduced, the original workers need to pay too much attention to use the excavating bucket, the device ensures that the workers do not need to pay too much attention, the work of the workers is convenient to be reduced, the work efficiency is improved, the objects on the excavating bucket are prevented from falling off when the movable position of the excavating bucket needs to be limited, the second motor is started, and the bobbin rotates to drive the traction wire to be wound on the bobbin, so that the limitation of the excavating bucket is convenient.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a spring metamorphic excavation mechanism according to the present invention;
FIG. 2 is a schematic structural diagram of a fixing assembly of an embodiment of a spring metamorphic excavation mechanism according to the present invention;
FIG. 3 is a schematic structural diagram of an adjusting assembly of an embodiment of a spring metamorphic excavating mechanism according to the present invention;
FIG. 4 is a schematic structural diagram of a pulling assembly of an embodiment of the spring metamorphic excavating mechanism of the present invention.
In the figure: the excavator comprises a first driving rod 1, a first connecting rod 2, a second connecting rod 3, a second driving rod 4, a third connecting rod 5, a fourth connecting rod 6, a pressure rod sleeve 7, a pressure rod 8, a spring part 9, an excavating bucket 10, a rack 11, a fixing component 12, an electromagnet 13, a ferromagnetic core 14, a pressing rod 15, an elastic spring 16, a first electric connecting sheet 17, a second electric connecting sheet 18, a groove 19, a fixing block 20, a first motor 21, a fixing rod 22, a second motor 23, a spool 24 and a traction wire 25.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
A spring metamorphic excavating mechanism comprises a frame 11, wherein a first driving rod 1, a fourth connecting rod 6, a second driving rod 4 and a pressure rod sleeve 7 are sequentially hinged to the frame 11 from left to right, the upper end of the first driving rod 1 is hinged to a first connecting rod 2, the upper end of the fourth connecting rod 6 is hinged to the upper end of the first connecting rod 2 through a second connecting rod 3, the middle of the fourth connecting rod 6 is hinged to the upper end of the second driving rod 4 through a third connecting rod 5, a pressure rod 8 is connected to the pressure rod sleeve 7 in a sleeved mode, an excavating bucket 10 hinged to the pressure rod sleeve 7 is arranged on one side of the frame 11, the end portion of the pressure rod 8 is connected with the excavating bucket 10 through a spring part 9, the excavating bucket 10 is connected with the upper end of the fourth connecting rod 6 through a connecting rod, and a fixing component 12 is arranged on the lower side of the pressure rod sleeve 7. One end of the pressure rod is connected with the working device 10; and when the second connecting rod 3 has no movement limiting and restricting resistance between the relative movement surfaces, the pressure rod sleeve 7 and the pressure rod 8 keep a certain angle, when the acting force generated in the continuous rotation working process of the second connecting rod is larger than the spring movement limiting and restricting resistance, the length of the spring is required to be changed, the pressure rod sleeve 7 and the pressure rod 8 generate relative movement, and the metamorphic mechanism realizes the force metamorphic function.
In order to facilitate the movement of the object in the excavating bucket 10 to one side when the excavating bucket 10 is used for work, at this time, the object in the excavating bucket 10 needs to be kept from falling, if the object falls down, the body of a worker is easily damaged or the object falls down, and the work efficiency is reduced, the fixing component 12 comprises a fixing block connected with the pressure rod sleeve 7, a groove 19 is arranged on one side of the fixing block close to the excavating bucket 10, a pressing rod 15 is connected in the groove 19 in a sliding manner, the lower end of the pressing rod 15 is connected with the bottom wall of the groove 19 through an elastic spring 16, a connecting switch is arranged in the groove 19, the connecting switch comprises a first electric connecting sheet 17 arranged at the end part of the pressing rod 15, a second electric connecting sheet 18 matched and connected with the first electric connecting sheet 17 is arranged on the side wall of the groove 19, and an electromagnet 13 is arranged in the fixing block, the excavator bucket 10 is provided with a ferromagnetic core 14 which is connected with the electromagnet 13 in a matched mode, the pressure rod sleeve 7 is connected with a power switch, the power switch is connected with a mains supply, the electromagnet 13, the power switch and the connecting switch are connected in series, when the angle between the excavator bucket 10 and the pressure rod sleeve 7 is smaller and smaller, the excavator bucket 10 touches the pressing rod 15, the pressing rod 15 moves towards the groove 19, the first electric connecting sheet 17 on the connecting switch is conveniently contacted with the second electric connecting sheet 18, the connecting switch is switched on, the electromagnet 13 is electrified, at the moment, objects in the excavator bucket 10 are conveniently kept not to fall under the action of electromagnetic attraction between the electromagnet 13 and the ferromagnetic core 14, and the excavator bucket 10 is convenient to transport the objects in a short distance.
In order to facilitate the adjustment of the fixation of the excavating bucket 10, the angle range of the excavating bucket 10 and the fixed component bracket can be adjusted, so that short-distance or long-distance objects can be conveniently limited in the excavating bucket 10, the application range is improved, the application range is widened, an adjusting component is arranged between the pressure rod sleeve 7 and the fixing component 12, the adjusting component comprises a first motor 21 connected with the pressure rod sleeve 7, the output end of the first motor 21 is connected with a first rotating shaft, the side wall of the first rotating shaft is connected with a fixed rod 22, the axis of the fixing rod 22 is perpendicular to the axis of the first rotating shaft, the axis of the fixing rod 22 is crossed with the axis of the first rotating shaft, the fixing component 12 is fixedly connected to the fixing rod 22, the first motor 21 may be activated and the first shaft rotated, thereby bringing the angle between the fixed bar 22 and the excavator bucket 10.
In order to further move the excavating bucket 10 excavating objects in the excavating bucket 10, so that the objects excavated in the excavating bucket 10 are not easy to fall off, the efficiency of transporting the objects by the excavating bucket 10 is improved, and the pressure of workers is reduced, the original workers need to pay too much attention to use the excavating bucket 10, the device does not need to pay too much attention to the workers, so as to facilitate the work of the workers and improve the work efficiency, a traction assembly is arranged on the pressure rod sleeve 7, the traction assembly comprises a second motor 23 fixedly connected with the pressure rod sleeve 7, the output end of the second motor 23 is connected with a second rotating shaft, the end of the second motor 23 is connected with a spool 24 coaxially arranged with the second motor, a traction wire 25 is wound on the spool 24, one end of the traction wire 25 is connected with the side wall of the spool 24, the other end of the traction wire 25 is connected with the excavating bucket 10, the spring part 9 is a limiting spring, and the electromagnet is in a ring shape. When the movement position of the excavating bucket 10 is required to be limited, objects on the excavating bucket 10 are prevented from falling off, the second motor 23 is started, and the reel rotates to drive the traction line to be wound on the reel, so that the limitation of the excavating bucket 10 is facilitated.
In order to further limit the rotation of the excavating bucket 10, a limit block connected with the fixed block is arranged below the pressing rod 15, and a limit cushion block matched with the limit block is arranged on the excavating bucket 10.
One end of the pressure rod is connected with the working device 10; and when the second connecting rod 3 has no movement limiting and restricting resistance between the relative movement surfaces, the pressure rod sleeve 7 and the pressure rod 8 keep a certain angle, when the acting force generated in the continuous rotation working process of the second connecting rod is larger than the spring movement limiting and restricting resistance, the length of the spring is required to be changed, the pressure rod sleeve 7 and the pressure rod 8 generate relative movement, and the metamorphic mechanism realizes the force metamorphic function. In order to move the objects in the excavating bucket 10 to one side in the operation of using the excavating bucket 10, the objects in the excavating bucket 10 are required to be kept not to fall off, if the objects fall off, the bodies of workers are easily damaged or the objects fall off, so that the working efficiency is reduced, when the angle between the excavating bucket 10 and the pressure rod sleeve 7 is smaller and smaller, the excavating bucket 10 touches the pressing rod 15, so that the pressing rod 15 moves into the groove 19, the first electric connecting sheet 17 on the connecting switch is convenient to touch the second electric connecting sheet 18, so that the connecting switch is switched on, the electromagnet 13 is electrified, and at the moment, the objects in the excavating bucket 10 are convenient to be kept not to fall off under the action of the electromagnetic attraction force between the electromagnet 13 and the ferromagnetic core 14, so that the short-distance transportation of the excavating bucket 10 to the objects is convenient. In order to further move the excavating bucket 10 excavating objects in the excavating bucket 10, the objects excavated in the excavating bucket 10 are not easy to fall off, the efficiency of the excavating bucket 10 for transporting the objects is improved, and the pressure of workers is reduced, the original workers need to pay too much attention to the excavating bucket 10, the device ensures that the workers do not need to pay too much attention to the device, the work of the workers is convenient to be reduced, the work efficiency is improved, the moving position of the excavating bucket 10 is limited, the objects on the excavating bucket 10 are prevented from falling off, the second motor 23 is started, the spool rotates to drive the traction line to be wound on the spool, and the limitation of the excavating bucket 10 is convenient.
The metamorphic mechanism has various metamorphic modes, and is essentially a mode for setting, adjusting or limiting the movement of a kinematic pair. The force metamorphic is to apply a certain amount of force for stopping movement in advance in the movement direction of the kinematic pair to be disappeared, such as a spring, and when the working resistance is smaller than the stopping acting force, the kinematic pair does not generate relative movement, so that two connected components are fixed without relative movement to form a component action; when the force generated in the working process is larger than the preset stopping force to enable the metamorphic component to move, the mechanism has another characteristic, realizes the function of the metamorphic mechanism, and has the characteristics of multifunctional stage change, multi-topology structure change and multi-degree-of-freedom change. The mechanism is widely applied to under-actuated multi-degree-of-freedom mechanisms.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details are set forth in order to describe example embodiments of the invention, it will be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (5)
1. A spring metamorphic excavating mechanism is characterized by comprising a rack (11), wherein a first driving rod (1), a fourth connecting rod (6), a second driving rod (4) and a pressure rod sleeve (7) are sequentially hinged on the rack (11) from left to right, the upper end of the first driving rod (1) is hinged with a first connecting rod (2), the upper end of the fourth connecting rod (6) is hinged with the upper end of the first connecting rod (2) through a second connecting rod (3), the middle of the fourth connecting rod (6) is hinged with the upper end of the second driving rod (4) through a third connecting rod (5), a pressure rod (8) is connected onto the pressure rod sleeve (7) in a sleeved mode, an excavating bucket (10) hinged with the pressure rod sleeve (7) is arranged on one side of the rack (11), and the end of the pressure rod (8) is connected with the excavating bucket (10) through a spring piece (9), the excavating bucket (10) is connected with the upper end of the fourth connecting rod (6) through a connecting rod, and a fixing component (12) is arranged on the lower side of the pressure rod sleeve (7);
the fixed component (12) comprises a fixed block connected with the pressure rod sleeve (7), a groove (19) is arranged on one side, close to the excavating bucket (10), of the fixed block, a pressing rod (15) is connected in the groove (19) in a sliding mode, the lower end of the pressing rod (15) is connected with the bottom wall of the groove (19) through an elastic spring (16), a connecting switch is arranged in the groove (19), the connecting switch comprises a first electric connecting sheet (17) arranged at the end of the pressing rod (15), a second electric connecting sheet (18) in matched connection with the first electric connecting sheet (17) is arranged on the side wall of the groove (19), an electromagnet (13) is arranged in the fixed block, a ferromagnetic core (14) in matched connection with the electromagnet (13) is arranged on the excavating bucket (10), and a power switch is connected to the pressure rod sleeve (7), the power switch is connected with mains supply, and the electromagnet (13), the power switch and the connecting switch are connected in series;
pressure pole cover (7) with be provided with adjusting part between fixed subassembly (12), adjusting part include with first motor (21) that pressure pole cover (7) are connected, the output of first motor (21) is connected with first pivot, be connected with dead lever (22) on the lateral wall of first pivot, the axis of dead lever (22) with the axis mutually perpendicular of first pivot, the axis of dead lever (22) with the axis of first pivot is criss-cross, fixed connection on dead lever (22) fixed subassembly (12).
2. The spring metamorphic excavating mechanism according to claim 1, characterized in that a traction assembly is arranged on the pressure rod sleeve (7), the traction assembly includes a second motor (23) fixedly connected with the pressure rod sleeve (7), a second rotating shaft is connected to an output end of the second motor (23), a spool (24) coaxially arranged with the second motor (23) is connected to an end portion of the second motor (23), a traction line (25) is wound on the spool (24), one end of the traction line (25) is connected to a side wall of the spool (24), and the other end of the traction line (25) is connected to the excavating bucket (10).
3. The spring metamorphic excavating mechanism of claim 1 wherein the electromagnets are circular in shape.
4. A spring metamorphic excavating mechanism according to claim 1 wherein the spring member (9) is a restraining spring.
5. The spring metamorphic excavating mechanism according to claim 1, wherein a limit block connected with the fixed block is arranged under the pressing rod (15), and a limit cushion block matched with the limit block is arranged on the excavating bucket (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910822702.0A CN110670648B (en) | 2019-09-02 | 2019-09-02 | Spring metamorphic excavating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910822702.0A CN110670648B (en) | 2019-09-02 | 2019-09-02 | Spring metamorphic excavating mechanism |
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| CN110670648A CN110670648A (en) | 2020-01-10 |
| CN110670648B true CN110670648B (en) | 2021-08-17 |
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| CN201910822702.0A Active CN110670648B (en) | 2019-09-02 | 2019-09-02 | Spring metamorphic excavating mechanism |
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| FR1051801A (en) * | 1953-06-22 | 1954-01-19 | Poclain Atel | Improvements to excavators or mechanical cranes |
| AU714190B2 (en) * | 1996-03-07 | 1999-12-23 | Ian Clive Pollard | Improved attachment for skid steer loader |
| CN202389406U (en) * | 2011-12-20 | 2012-08-22 | 鞍钢集团矿业公司 | Sand adding trolley for electric locomotive |
| CN104032781B (en) * | 2014-06-27 | 2016-06-15 | 广西大学 | A kind of electromagnetic braking actively becomes the multi link excavating mechanism of controllable of born of the same parents |
| CN104074212A (en) * | 2014-06-27 | 2014-10-01 | 广西大学 | Multi-linkage mechanism with initiative metamorphic function |
| CN205009210U (en) * | 2015-10-10 | 2016-02-03 | 佳木斯大学 | Novel become born of same parents loader hand |
| CN107975079A (en) * | 2017-12-26 | 2018-05-01 | 新昌县羽林街道星捷轴承厂 | A kind of efficient scraper |
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2019
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