CN209489122U - A kind of forestry plantation loosening device - Google Patents
A kind of forestry plantation loosening device Download PDFInfo
- Publication number
- CN209489122U CN209489122U CN201822004612.4U CN201822004612U CN209489122U CN 209489122 U CN209489122 U CN 209489122U CN 201822004612 U CN201822004612 U CN 201822004612U CN 209489122 U CN209489122 U CN 209489122U
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- cabinet
- fixed
- block
- type groove
- loosening device
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Abstract
The utility model provides a kind of forestry plantation loosening device, belongs to agricultural planting equipment technical field, and a kind of forestry plantation loosening device includes: bottom plate；The top of the bottom plate is fixed in cabinet, the bottom of the cabinet；Sliding panel, the two sides of the sliding panel are individually fixed in the two sides of the inner wall of the cabinet；The bottom of the sliding panel is fixed in U-type groove, the bottom of the U-type groove, and the bottom of the U-type groove sequentially passes through the cabinet and the bottom plate and the bottom for extending to the bottom plate.It can be very good to be crushed ground, and crushing effect is very good, it is time saving and energy saving, meet the broken of different hardness soil property, and it by the rotation of broken wheel, can be very good to crush large-scale soil block, the soil is porous in order to subsequent, improve loose effect, again by the teeth block of U-shaped piece of inside, smashed soil can be carried out loose and filled and led up, improve soil aeration effect, convenient for the breathing of plant root, and convenient for the growth of plant.
Description
Technical field
The utility model relates to agricultural planting equipment technical fields, plant loosening device more particularly, to a kind of forestry.
Background technique
Soil refers to one layer of loose substance of earth surface, by various particulate minerals, organic substance, moisture, sky
The composition such as gas, microorganism, can growing plant.Soil minerals, animals and plants as made of rock weathering, microorganism residuum decomposition produce
Raw organic matter, geobiont and moisture, air, the composition such as humus of oxidation.
When forestry is planted, due to the passage of time, the gas permeability of soil is poor, is not easy to the production of kind of plant, at this moment
Need to carry out soil loose, but existing loosing soil equipment haves the shortcomings that a large amount of, such as existing loosing soil
Equipment cannot carry out loose by soil well, and loosing soil effect is unobvious, and reduces the efficiency of loosing soil, and existing
Some loosing soil equipment cannot be loose to the progress of harder soil, and operating process is complex, and time-consuming and laborious, significantly
The practicability for reducing loosing soil equipment
Therefore, how forestry plantation loosening device is provided, can be very good to be crushed ground, meet different hardness
Broken the technical issues of having become this field skill personnel's urgent need to resolve of soil property.
Utility model content
The purpose of this utility model is to provide a kind of forestry to plant loosening device, in the prior art cannot be fine with solution
Soil carry out loose, the unobvious and time-consuming and laborious technical problem of loosing soil effect.
The utility model provides forestry and plants loosening device, comprising:
Bottom plate；
The top of the bottom plate is fixed in cabinet, the bottom of the cabinet；
Sliding panel, the two sides of the sliding panel are individually fixed in the two sides of the inner wall of the cabinet；
The bottom of the sliding panel is fixed in U-type groove, the bottom of the U-type groove, and the bottom of the U-type groove sequentially passes through institute
State cabinet and the bottom plate and the bottom for extending to the bottom plate；
The top of the sliding panel, the first motor output shaft are fixed in first motor, the bottom of the first motor
Outer surface be fixedly connected with the first belt pulley；
U-shaped frame, the two sides of the bottom of the U-shaped frame are individually fixed in the two sides at the top of the sliding panel；
Oscillating deck, the bottom of the oscillating deck are movably connected on the side at the top of the bottom plate；
The side of oscillating deck is fixed in motor housing, the side of the motor housing, and the top slide of the motor housing is connected with
Sliding shoe；
The bottom of the inner wall of the motor housing, second motor are fixed in second motor, the bottom of second motor
The outer surface of output shaft is fixedly connected with rotary shaft；
The side of the cabinet is fixed in fixed plate, the side of the fixed plate.
Further, rotation axis is slidably connected between the two sides of the inner wall of the U-type groove, institute is run through in described rotation axis one end
It states U-type groove and extends to the outside of U-type groove, the outer surface that the rotation axis extends to one end of the outside of the U-type groove is fixed
It is connected with the second belt pulley, the outer surface of the outer surface of second belt pulley and first belt pulley passes through belt transmission company
It connects.
Further, the outer surface of the rotation axis is fixedly connected with broken wheel, and is located at the inside of the U-type groove.
Further, the top movable of the sliding shoe is connected with fixture block, and the side of the fixture block offers card slot, the card
The top of block runs through the fixed plate and extends to the top of the fixed plate.
Further, the top slide of the fixed plate is connected with T-block, and the card slot is run through simultaneously in the side of the T-block
Extend to the inside of the card slot.
Further, the side at the top of the fixed plate is fixedly connected with baffle, and the other side of the T-block is fixed to be connected
Be connected to operating stick, one end of the operating stick is through the baffle and extends to the side of the baffle, the T-block it is another
Side and be located at the operating stick outer surface be fixedly connected with extruding spring.
Specifically, one end of the rotary shaft sequentially passes through the motor housing and the oscillating deck and extends to the swing
The other side of plate, the outer surface immobilization that the rotary shaft extends to the other side of the oscillating deck are connected with broken rotary head.
Specifically, threaded block is fixedly connected at the top of the cabinet, the internal whorl of the threaded block is connected with screw rod,
The bottom end of the screw rod runs through cabinet and extends to the inside of the cabinet, and the screw rod extends to the one of the inside of the cabinet
End is rotationally connected with the top of the U-shaped frame.
Specifically, the other side of the bottom plate is fixedly connected with U-shaped piece by support frame, the top of U-shaped piece of the inner wall
Portion is fixedly connected with teeth block, and the quantity of the teeth block is seven.
More specifically, the two sides of the bottom base plate are rotatably connected to traveling wheel, and the other side of the cabinet
Top is fixedly connected with handle.
Compared with prior art, the utility model has the beneficial effects that: a kind of forestry kind provided by the utility model
Plant loosening device, comprising: bottom plate；The top of the bottom plate is fixed in cabinet, the bottom of the cabinet；Sliding panel, the sliding
The two sides of plate are individually fixed in the two sides of the inner wall of the cabinet；The sliding panel is fixed in U-type groove, the bottom of the U-type groove
Bottom, the bottom of the U-type groove sequentially passes through the cabinet and the bottom plate and the bottom for extending to the bottom plate；First electricity
The top of the sliding panel is fixed in machine, the bottom of the first motor, and the outer surface of the first motor output shaft is fixed to be connected
It is connected to the first belt pulley；U-shaped frame, the two sides of the bottom of the U-shaped frame are individually fixed in the two sides at the top of the sliding panel；Pendulum
Movable plate, the bottom of the oscillating deck are movably connected on the side at the top of the bottom plate；The side of motor housing, the motor housing is solid
Top slide due to the side of oscillating deck, the motor housing is connected with sliding shoe；Second motor, the bottom of second motor
It is fixed on the bottom of the inner wall of the motor housing, the outer surface of second motor output shaft is fixedly connected with rotary shaft；It is fixed
The side of the cabinet is fixed in plate, the side of the fixed plate.Forestry plantation loosening device provided by the utility model is effective
Ground is to solve that loose, the unobvious and time-consuming and laborious skill of loosing soil effect cannot be carried out by soil well in the prior art
Art problem.
First, passing through the starting of the second motor, can be very good that rotary shaft is driven to be rotated, when rotary shaft rotation,
It can be very good that broken rotary head is driven to be rotated, at this moment can be very good to be crushed ground, and crushing effect is very
It is good, it is time saving and energy saving, the broken of different hardness soil property is met, and with the movement of equipment, position is in U after floor crushing
When the bottom of type groove, it when starting by first motor, can be very good that the first belt pulley and the second belt pulley is driven to be rotated,
It is rotated again by the second belt pulley, can be very good that rotation axis and broken wheel is driven to be rotated, it, can by the rotation of broken wheel
To crush well to large-scale soil block, the soil is porous in order to subsequent, improves loose effect, then by U-shaped piece
The teeth block in portion can be very good to carry out smashed soil loose and fill and lead up, improves soil aeration effect, be convenient for plant
The breathing of root, and the growth convenient for plant.
Second, can be very good to drive sliding panel to move downward by U-shaped frame, indirectly by the movement above and below threaded rod
It drives broken wheel to move downward, at this moment can be very good that the height of broken wheel is adjusted, in order to different level
Soil is crushed, and by the movement above and below fixture block, can be very good to drive motor housing fan shape moving, then pass through motor housing
Fan-shaped movement can be very good that broken rotary head is driven to carry out fan-shaped movement, at this moment can carry out to the angle of broken rotary head
It adjusts, in order to carry out soil breaking to Different Ground, it is convenient to provide for loosing soil, and the bullet by squeezing spring itself
Property power, can squeeze T-block, when T-block is squeezed power, will there is movement, so that it is inserted into the inside of card slot,
At this moment fixture block can be clamped, to keep fixture block post exercise stability, ensure that broken rotary head angle indirectly
Stability after adjusting.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that loosening device is planted in forestry provided by the embodiment of the utility model；
Fig. 2 is the structural side view for the U-type groove that loosening device is planted in forestry provided by the embodiment of the utility model；
Fig. 3 is the portion the A shown in FIG. 1 enlarged diagram that loosening device is planted in forestry provided by the embodiment of the utility model；
Fig. 4 is U-shaped piece of the structural side view that loosening device is planted in forestry provided by the embodiment of the utility model.
Appended drawing reference:
1, bottom plate, 2, cabinet, 3, sliding panel, 4, U-type groove, 5, first motor, the 6, first belt pulley, 7, U-shaped frame, 8, swing
Plate, 9, motor housing, 10, sliding shoe, the 11, second motor, 12, rotary shaft, 13, fixed plate, 14, rotation axis, the 15, second belt
It takes turns, 16, broken wheel, 17, fixture block, 18, card slot, 19, T-block, 20, baffle, 21, operating stick, 22, extruding spring, 23, broken turn
Head, 24, threaded block, 25, screw rod, 26, U-shaped piece, 27, teeth block, 28, traveling wheel, 29, handle.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.
The component of the utility model embodiment for usually describing and showing in attached drawing here can be with a variety of different
Configuration is to arrange and design.It therefore, is not below purport to the detailed description of the embodiments of the present invention provided in the accompanying drawings
In the range of limitation claimed invention, but it is merely representative of the selected embodiment of the utility model.
Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Fig. 1 is the structural schematic diagram that loosening device is planted in forestry provided by the embodiment of the utility model；Fig. 2 is that this is practical new
The structural side view of the U-type groove for the forestry plantation loosening device that type embodiment provides；Fig. 3 is provided by the embodiment of the utility model
The portion the A shown in FIG. 1 enlarged diagram of forestry plantation loosening device；Fig. 4 is forestry provided by the embodiment of the utility model plantation
U-shaped piece of structural side view of loosening device, the utility model embodiment provide a kind of forestry plantation loosening device, comprising:
Bottom plate 1；
The top of the bottom plate 1 is fixed in cabinet 2, the bottom of the cabinet 2；
Sliding panel 3, the two sides of the sliding panel 3 are individually fixed in the two sides of the inner wall of the cabinet 2；
The bottom of the sliding panel 3 is fixed in U-type groove 4, the bottom of the U-type groove 4, and the bottom of the U-type groove 4 is successively passed through
It wears the cabinet 2 and the bottom plate 1 and extends to the bottom of the bottom plate 1；
The top of the sliding panel 3 is fixed in first motor 5, the bottom of the first motor 5, and the first motor 5 is defeated
The outer surface of shaft is fixedly connected with the first belt pulley 6；
U-shaped frame 7, the two sides of the bottom of the U-shaped frame 7 are individually fixed in the two sides at the top of the sliding panel 3；
Oscillating deck 8, the bottom of the oscillating deck 8 are movably connected on the side at the top of the bottom plate 1；
The side of oscillating deck 8, the top slide of 9 body of motor housing are fixed in motor housing 9, the side of the motor housing 9
It is connected with sliding shoe 10；
The bottom of the inner wall of the motor housing 9 is fixed in second motor 11, the bottom of second motor 11, and described second
The outer surface of 11 output shaft of motor is fixedly connected with rotary shaft 12；
The side of the cabinet 2 is fixed in fixed plate 13, the side of the fixed plate 13.
Further, rotation axis 14, described 14 one end of rotation axis are slidably connected between the two sides of the inner wall of the U-type groove 4
Through the U-type groove 4 and the outside of U-type groove 4 is extended to, the rotation axis 14 extends to one end of the outside of the U-type groove 4
Outer surface is fixedly connected with the second belt pulley 15, the appearance of the outer surface of second belt pulley 15 and first belt pulley 6
Face is sequentially connected by belt, mainly when the first belt pulley 6 rotates, can drive the second belt pulley by belt with the time
15 are rotated, and drive the second belt pulley 15 to be rotated indirectly, can be very good rotation axis 14 indirectly and broken wheel 16 carries out
Rotation.
Further, the outer surface of the rotation axis 14 is fixedly connected with broken wheel 16, and is located at the inside of the U-type groove 4,
By the rotation of broken wheel 16, it can be very good soil block and be crushed.
Further, the top movable of the sliding shoe 10 is connected with fixture block 17, and the side of the fixture block 17 offers card slot
18, the top of the fixture block 17 runs through the fixed plate 13 and extends to the top of the fixed plate 13.
Further, the top slide of the fixed plate 13 is connected with T-block 19, and the side of the T-block 19 is through described
The inside of card slot 18 is mainly inserted into card slot 18 and the inside for extending to the card slot 18 by T-block 19, to the formation of fixture block 17
Clamping guarantees the stability after fixture block 17 moves up and down.
Further, the side at the top of the fixed plate 13 is fixedly connected with baffle 20, the other side of the T-block 19
It is fixedly connected with operating stick 21, one end of the operating stick 21 runs through the baffle 20 and extends to the side of the baffle 20,
The other side of the T-block 19 and the outer surface for being located at the operating stick 21, which are fixedly connected with, squeezes spring 22, by squeezing bullet
The elastic force of spring 22 itself can be very good to squeeze T-block 19, in order in T-block 19 more preferably insertion card slot 18
Portion.
Specifically, one end of the rotary shaft 12 sequentially passes through the motor housing 9 and the oscillating deck 8 and extends to described
The other side of oscillating deck 8, the outer surface immobilization that the rotary shaft 12 extends to the other side of the oscillating deck 8 are connected with broken
Rotary head 23 mainly can be very good to be crushed harder ground, in order to below more by being crushed the setting of rotary head 23
Good chesson.
Specifically, the top of the cabinet 2 is fixedly connected with threaded block 24, and the internal whorl of the threaded block 24 is connected with
The bottom end of screw rod 25, the screw rod 25 runs through cabinet 2 and extends to the inside of the cabinet 2, and the screw rod 25 extends to described
One end of the inside of cabinet 2 is rotationally connected with the top of the U-shaped frame 26, when screw rod 25 rotate when, by with threaded block 24 it
Between connection relationship so that screw rod 25 moves up and down during rotation.
Specifically, the other side of the bottom plate 1 is fixedly connected with U-shaped frame 26, U-shaped piece 26 of the inner wall by support frame
Top be fixedly connected with teeth block 27, and the quantity of the teeth block 27 is seven, by teeth block 27, be can be very good
Broken rear soil is conveyed.
More specifically, the two sides of 1 bottom of bottom plate are rotatably connected to traveling wheel 28, and the cabinet 2 is another
Handle 29 is fixedly connected at the top of side.
The working principle of the utility model are as follows: by the starting of the second motor 11, can be very good to drive rotary shaft 12 into
Row rotation can be very good that broken rotary head 23 is driven to be rotated, at this moment can be very good to ground when rotary shaft 12 rotates
It is crushed, and with the movement of equipment, when position is in the bottom of U-type groove 4 after floor crushing, starts first motor 5,
When first motor 5 starts, can be very good that the first belt pulley 6 and the second belt pulley 15 is driven to be rotated, then pass through second
Belt pulley 15 rotates, and can be very good that rotation axis 14 and broken wheel 16 is driven to be rotated, can be with by the rotation of broken wheel 16
Large-scale soil block is crushed well, then by the teeth block 27 inside U-shaped piece 26, can be very good to smashed soil block
Carry out it is loose fill and lead up, and when threaded rod 25 rotate when, by the connection relationship between threaded block 24, so that threaded rod 25 exists
While rotation, up and down motion is generated, by the movement of about 25 threaded rod, can be very good to drive sliding panel by U-shaped frame 7
3 move downward, and broken wheel 16 is driven to move downward indirectly, at this moment can be very good that the height of broken wheel 16 is adjusted, and
And pass through the movement of about 17 fixture block, it can be very good to drive 9 fan shape moving of motor housing, then move by 9 fan-shaped of motor housing,
It can be very good that broken rotary head 23 is driven to carry out fan-shaped movement, at this moment the angle of broken rotary head 23 can be adjusted, and
And the elastic force by squeezing spring 22 itself, T-block 19 can be squeezed, when T-block 19 is squeezed power, Jiu Huifa
There is movement, to be inserted into the inside of card slot 18, at this moment fixture block 17 can be clamped, to keep the movement of fixture block 17
Stability afterwards, the stability after ensure that broken 23 angular adjustment of rotary head indirectly.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. loosening device is planted in a kind of forestry characterized by comprising
Bottom plate；
The top of the bottom plate is fixed in cabinet, the bottom of the cabinet；
Sliding panel, the two sides of the sliding panel are individually fixed in the two sides of the inner wall of the cabinet；
The bottom of the sliding panel is fixed in U-type groove, the bottom of the U-type groove, and the bottom of the U-type groove sequentially passes through the case
Body and the bottom plate and the bottom for extending to the bottom plate；
The top of the sliding panel is fixed in first motor, the bottom of the first motor, the first motor output shaft it is outer
Surface is fixedly connected with the first belt pulley；
U-shaped frame, the two sides of the bottom of the U-shaped frame are individually fixed in the two sides at the top of the sliding panel；
Oscillating deck, the bottom of the oscillating deck are movably connected on the side at the top of the bottom plate；
The side of oscillating deck is fixed in motor housing, the side of the motor housing, and the top slide of the motor housing is connected with sliding
Block；
The bottom of the inner wall of the motor housing, the second motor output are fixed in second motor, the bottom of second motor
The outer surface of axis is fixedly connected with rotary shaft；
The side of the cabinet is fixed in fixed plate, the side of the fixed plate.
2. loosening device is planted in forestry according to claim 1, which is characterized in that the two sides of the inner wall of the U-type groove it
Between slidably connect rotation axis, described rotation axis one end is through the U-type groove and extends to the outside of U-type groove, the rotation axis
The outer surface for extending to one end of the outside of the U-type groove is fixedly connected with the second belt pulley, the appearance of second belt pulley
Face and the outer surface of first belt pulley are sequentially connected by belt.
3. loosening device is planted in forestry according to claim 2, which is characterized in that the outer surface of the rotation axis is fixed to be connected
It is connected to broken wheel, and is located at the inside of the U-type groove.
4. loosening device is planted in forestry according to claim 1, which is characterized in that the top movable of the sliding shoe connects
There is fixture block, the side of the fixture block offers card slot, and the top of the fixture block through the fixed plate and extends to the fixation
The top of plate.
5. loosening device is planted in forestry according to claim 4, which is characterized in that the top slide of the fixed plate connects
There is T-block, the side of the T-block runs through the card slot and extends to the inside of the card slot.
6. loosening device is planted in forestry according to claim 5, which is characterized in that the side at the top of the fixed plate is solid
Surely it is connected with baffle, the other side of the T-block is fixedly connected with operating stick, and the baffle is run through simultaneously in one end of the operating stick
Extend to the side of the baffle, the other side of the T-block and outer surface for being located at the operating stick is fixedly connected with extruding
Spring.
7. loosening device is planted in forestry according to claim 1, which is characterized in that one end of the rotary shaft sequentially passes through
The motor housing and the oscillating deck and the other side for extending to the oscillating deck, the rotary shaft extend to the oscillating deck
The outer surface immobilization of the other side is connected with broken rotary head.
8. loosening device is planted in forestry according to claim 1, which is characterized in that be fixedly connected at the top of the cabinet
Threaded block, the internal whorl of the threaded block are connected with screw rod, and the bottom end of the screw rod through cabinet and extends to the cabinet
Inside, one end that the screw rod extends to the inside of the cabinet is rotationally connected with the top of the U-shaped frame.
9. loosening device is planted in forestry according to claim 1, which is characterized in that the other side of the bottom plate passes through support
Frame is fixedly connected with U-shaped piece, and teeth block, and the quantity of the teeth block are fixedly connected at the top of U-shaped piece of the inner wall
It is seven.
10. loosening device is planted in forestry according to claim 1, which is characterized in that the two sides of the bottom base plate turn
It is dynamic to be connected with traveling wheel, and handle is fixedly connected at the top of the other side of the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822004612.4U CN209489122U (en) | 2018-12-02 | 2018-12-02 | A kind of forestry plantation loosening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822004612.4U CN209489122U (en) | 2018-12-02 | 2018-12-02 | A kind of forestry plantation loosening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209489122U true CN209489122U (en) | 2019-10-15 |
Family
ID=68152264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822004612.4U Expired - Fee Related CN209489122U (en) | 2018-12-02 | 2018-12-02 | A kind of forestry plantation loosening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209489122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554268A (en) * | 2020-12-01 | 2021-03-26 | 青岛凯顺兴设备工程有限公司 | Buried cable overhauling and soil loosening device for power transmission |
-
2018
- 2018-12-02 CN CN201822004612.4U patent/CN209489122U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554268A (en) * | 2020-12-01 | 2021-03-26 | 青岛凯顺兴设备工程有限公司 | Buried cable overhauling and soil loosening device for power transmission |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191015 Termination date: 20201202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |