CN209025671U - A kind of tunnel cutting head - Google Patents
A kind of tunnel cutting head Download PDFInfo
- Publication number
- CN209025671U CN209025671U CN201821485631.7U CN201821485631U CN209025671U CN 209025671 U CN209025671 U CN 209025671U CN 201821485631 U CN201821485631 U CN 201821485631U CN 209025671 U CN209025671 U CN 209025671U
- Authority
- CN
- China
- Prior art keywords
- cutting
- fixed
- electric machine
- rotating
- rotating electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000956 alloy Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000010432 diamond Substances 0.000 claims description 7
- 229910003460 diamond Inorganic materials 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 4
- 239000011435 rock Substances 0.000 description 27
- 239000000463 material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 241000826860 Trapezium Species 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model belongs to tunnel cutting device technical field, discloses a kind of tunnel cutting head, including cutting head and fixed device;Cutting head includes rotating electric machine and cutting mechanism;Cutting mechanism includes cut vector;Cut vector includes rotating carrier portion and fixed part;The edge in rotating carrier portion is uniformly provided with several rotating carrier interconnecting pieces;Each rotating carrier interconnecting piece is equipped with the first cutting part, and fixed part is connect with the side at the center in rotating carrier portion;Several the second cutting parts are uniformly provided on the outside of fixed part;It is equipped with the first cutting mouth between the first adjacent cutting part, is equipped with the second cutting mouth between the second adjacent cutting part, the width of the first cutting part is slightly wider than the width in rotating carrier portion;Fixed part is equipped with the shaft card slot for clamping shaft;The shaft of rotating electric machine is snapped connection with shaft card slot;Rotating electric machine is fixed on the securing means.The utility model has the characteristics that cutting is flexible, practical.
Description
Technical field
The utility model belongs to tunnel cutting device technical field, and in particular to a kind of tunnel cutting head.
Background technique
Constructing tunnel is frequently with the cutting head of big gun pick and development machine at present, the former risk is big, out break is very serious, causes
Waste of material is more, construction speed is slow, is influenced by factors such as local dangerous material control.High (the parts price of the latter's construction operating cost
It is high), equipment failure rate too frequently, input cost is too big, construction when tunnel floor out break is also serious, tunnel excavation data variation
Haves the defects that repeated investment, for that can not construct compared with hard formation.
Utility model content
In order to solve the above problems existing in the present technology, the utility model aim is to provide a kind of tunnel cutting
Head.
The technology employed by the present utility model is
A kind of tunnel cutting head, including cutting head and fixed device;The cutting head includes rotating electric machine and cutting machine
Structure;The cutting mechanism includes cut vector;The cut vector includes rotating carrier portion and fixed part;The rotating carrier portion
For circular configuration;The edge in the rotating carrier portion is uniformly provided with several rotating carrier interconnecting pieces;Each rotating carrier connection
Portion is equipped with the first cutting part, and the fixed part is connect with the side at the center in rotating carrier portion;The fixed part is round knot
Structure;Several the second cutting parts are uniformly provided on the outside of the fixed part;The first cutting is equipped between the first adjacent cutting part
Mouthful, the second cutting mouth is equipped between the second adjacent cutting part, the width of first cutting part is slightly wider than rotating carrier portion
Width;The fixed part is equipped with the shaft card slot for clamping shaft;The shaft and shaft card slot of the rotating electric machine buckle
Connection;The rotating electric machine is fixed on the securing means.
Further, the cutting head is several;The fixed device is mounting rack;The mounting rack includes preceding fixation
Plate and rear fixed plate;The front shoe is equipped with the cutting mechanism mounting hole of several serpentine-like distributions;Each cutting mechanism
Fixed part pass through cutting mechanism mounting hole after snapped connection with the shaft of rotating electric machine;The separate rotating electric machine of rotating electric machine
One end of shaft is fixed on rear fixed plate.
Further, the front shoe is connected with the both ends of rear fixed plate by connecting plate.
Further, the fixed part and rotating electric machine are respectively in the two sides of front shoe.
Further, one end of the shaft of the separate rotating electric machine of the rotating electric machine is bolted on rear fixed plate
On;First cutting part and the second cutting part are made of hard alloy or diamond.
The utility model has the following beneficial effects: a kind of tunnel of the utility model is with cutting head by fixing cutting mechanism
On the securing means, cutting mechanism is by being arranged the first cutting part and the first cutting part and rotation at the edge of circular cut vector
The width in rotaring carrier portion is poor, in cutting, the first cutting part can be made first to touch rock, avoid the first cutting part and rotation
When carrier portion is of same size, cut vector portion first contacts rock and causes to turn power decrease, weakens the first cutting part cutting force scarce
It falls into, to be conducive to cutting;For the ease of promoting, the second cutting part, the setting of the second cutting part are again provided on the outside of fixed part
On the outside of fixed part, and fitted closely on the outside of fixed part;The second cutting part is driven to rotate in fixed part rotation, simultaneously
Move left and right fixed part to making the second cutting part preferably cut the rock in cross-sectional direction, the first cutting part
With being used cooperatively for the second cutting part, the cutting to the vertical and horizontal in tunnel is realized, to realize better to tunnel
It excavates.The utility model provides power further through the rotating electric machine on cutting head for the cutting mechanism on cutting head, by electric rotating
Machine is fixed on the securing means, so that the efficiency and flexibility of cutting rock can be improved when fixed device rotation.
The utility model uses the shape for being different from the fixation device of existing tunnel cutting, is guaranteeing Rock cutting crushing
While effect, maintenance of being more convenient for, daily maintenance and device replacement, without exiting whole cutting machine from tunnel
Complete maintenance or device replacement or daily maintenance to cutting head.
To which the utility model has the characteristics that cutting is flexible, easy to repair, structure is simple, practical.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cutting mechanism.
Fig. 2 is the partial enlarged view of A in Fig. 1.
Fig. 3 is the left view of cutting mechanism.
Fig. 4 is the partial enlarged view of the B in Fig. 3.
Fig. 5 is the structural schematic diagram in the section C-C ' in Fig. 1.
Fig. 6 is the structural schematic diagram of the cutting head of the utility model.
Fig. 7 is the structural schematic diagram of the fixation device of the utility model.
In figure: the first cutting part of 1-;The second cutting part of 2-;3- shaft card slot;4- fixed part;5- rotating carrier portion;6- rotation
Rotaring carrier interconnecting piece;The first cutting mouth of 7-;The second cutting mouth of 8-;9- rotating electric machine;10- rear fixed plate;11- rotating electric machine turns
Axis;12- cutting head;13- front shoe.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further elaborated the utility model.
Embodiment 1
As shown in figs. 1-7, a kind of tunnel cutting head, including cutting head and fixed device;The cutting head includes rotation
Rotating motor and cutting mechanism;The cutting mechanism includes cut vector;The cut vector includes rotating carrier portion and fixed part;
The rotating carrier portion is circular configuration;The edge in the rotating carrier portion is uniformly provided with several rotating carrier interconnecting pieces;Often
A rotating carrier interconnecting piece is equipped with the first cutting part, and the fixed part is connect with the side at the center in rotating carrier portion;It is described
Fixed part is circular configuration;Several the second cutting parts are uniformly provided on the outside of the fixed part;The first adjacent cutting part it
Between be equipped with the first cutting mouth, the second cutting mouth is equipped between the second adjacent cutting part, the width of first cutting part is slightly wide
Width in rotating carrier portion;The fixed part is equipped with the shaft card slot for clamping shaft;The shaft of the rotating electric machine
It is snapped connection with shaft card slot;The rotating electric machine is fixed on the securing means.
The tunnel cutting head of the utility model is used for tunnelling cutting rock.As shown in figs. 1-7, a kind of
Tunnel cutting head, including cutting head and fixed device;Tunnel is different from existing tunnel with the cutting mechanism on cutting head and cuts
Propulsion mode is cut, using completely new design.By being set at the edge of circular cut vector (being generally made of Steel material)
The first cutting part 1 (hardness high wear resistance can be selected in the material of the first cutting part material such as hard alloy or diamond) is set, it should
By the firm connection type connection such as welding, when use, passes through the first cutting for the coupling part of first cutting part and cut vector
Contact of portion's rotation with rock carries out fractured rock, and the width by the first cutting part and rotating carrier portion 5 is poor, in cutting,
The first cutting part can be made first to touch rock, when avoiding the first cutting part and rotating carrier portion of same size, cut vector
Portion first contacts rock and causes to turn power decrease, the defect for weakening the first cutting part cutting force, to be conducive to cutting;For the ease of pushing away
Into being again provided with the second cutting part 2 on the outside of fixed part, the second cutting part is arranged on the outside of fixed part, with fixed part
Outside fit closely;It drives the second cutting part to rotate when fixed part 4 rotates, while moves left and right fixed part to make the
Two cutting parts preferably cut the rock in cross-sectional direction, and the first cutting part and the second cutting part are used cooperatively,
The cutting to the vertical and horizontal in tunnel is realized, tunnel is preferably excavated to realize.
Tunnel cutting head includes cutting head and fixed device, in order to improve the efficiency and flexibility of cutting rock;It will cut
It is fixed on the securing means to cut head, provides power by the rotating electric machine on cutting head 12 for the cutting mechanism on cutting head, makes
Cutting mechanism along rock horizontal and vertical activity;It fixes further through by rotating electric machine 9 on the securing means, by additionally increasing
Power-equipment is added to make fixed device rotation to achieve the purpose that the flexibility for enhancing cutting head cutting rock.
Further, the cutting head is several;The fixed device is mounting rack;The mounting rack includes preceding fixation
Plate and rear fixed plate;The front shoe is equipped with the cutting mechanism mounting hole of several serpentine-like distributions;Each cutting mechanism
Fixed part pass through cutting mechanism mounting hole after snapped connection with the shaft of rotating electric machine;The separate rotating electric machine of rotating electric machine
One end of shaft is fixed on rear fixed plate.
As shown in fig. 7, in order to preferably enhance the flexibility of cutting head cutting rock and cutting efficiency;The utility model
Fixation device be mounting rack, by be arranged on the front shoe of mounting rack several serpentine-like curve distributions cutting mechanism pacify
Hole is filled, for installing cutting mechanism, the fixed part of each cutting mechanism, which passes through, to be turned with rotating electric machine after cutting mechanism mounting hole
Axis 11 snaps connection, and the right end of rotating electric machine is fixed on rear fixed plate, it is preferable that the right end of rotating electric machine is removable by bolt
It unloads and is fixed on rear fixed plate 10, thus when in use, adjacent cutting head is enable to be complementary to one another when cutting rock, thus
Keep the cutting of rock more thoroughly abundant, so that the cutting to rock is more flexible, cutting efficiency is higher.
Further, the front shoe is connected with the both ends of rear fixed plate by connecting plate.
It in order to enhance the intensity of mounting rack entirety, is fixed convenient for stablizing for cutting head, by front shoe and rear fixed plate
Both ends are connected by connecting plate, to make mounting rack rectangular frame structure, are stablized conducive to the position of each cutting head.
Further, the fixed part and rotating electric machine are respectively in the two sides of front shoe.
In order to make full use of the second cutting mouth being arranged on fixed part, fixed part is stretched from the front end of front shoe completely
Out, thus when cutting rock, fixed part and rotating carrier portion is made to play dissection jointly, plays more preferably cutting effect from it
Fruit.
Further, one end of the shaft of the separate rotating electric machine of the rotating electric machine is bolted on rear fixed plate
On;First cutting part and the second cutting part are made of hard alloy or diamond.
In order to enhance the cutting force of the first cutting part and the second cutting part, reduction is worn, raising cutting efficiency, and described first
Cutting part and the second cutting part are made of hard alloy or diamond.
Embodiment 2
The present embodiment difference from example 1 is that cutting mechanism technical characteristic, rest part and 1 phase of embodiment
Together.
As shown in Figs. 1-5, a kind of tunnel cutting head, including cutting head and fixed device;The cutting head includes rotation
Motor and cutting mechanism;Cutting mechanism includes cut vector;The cut vector includes rotating carrier portion and fixed part;The rotation
Rotaring carrier portion is circular configuration;The edge in the rotating carrier portion is uniformly provided with several rotating carrier interconnecting pieces 6;Each rotation
Carrier interconnecting piece is equipped with the first cutting part, and the fixed part is connect with the side at the center in rotating carrier portion;The fixed part
For circular configuration;Several the second cutting parts are uniformly provided on the outside of the fixed part;It is equipped between the first adjacent cutting part
First cutting mouth, the second cutting mouth is equipped between the second adjacent cutting part, and the width of first cutting part is slightly wider than rotation
The width in carrier portion.
The tunnel of the utility model is mainly used for tunneling with cutting mechanism;The cutting mechanism of the utility model is different from
Existing tunnel cuts propulsion mode, using completely new design.By (generally using Steel material system in circular cut vector
At) the first cutting part 1 of edge setting (material of the first cutting part can be selected hardness high wear resistance material such as hard alloy or
Diamond), by the firm connection type connection such as welding, when use, is logical for the coupling part of first cutting part and cut vector
It crosses contact of the first cutting part rotation with rock and carries out fractured rock, the width by the first cutting part and rotating carrier portion 5 is poor,
In cutting, the first cutting part can be made first to touch rock, when avoiding the first cutting part and rotating carrier portion of same size,
Cut vector portion first contacts rock and causes to turn power decrease, the defect for weakening the first cutting part cutting force, to be conducive to cutting;For
Convenient for promoting, it is again provided with the second cutting part 2 on the outside of fixed part, the second cutting part is arranged on the outside of fixed part,
It is fitted closely on the outside of fixed part;It drives the second cutting part to rotate when fixed part 4 rotates, while moves left and right fixed part
To making the second cutting part preferably cut the rock in cross-sectional direction, the first cutting part and the second cutting part are matched
It closes and uses, realize the cutting to the vertical and horizontal in tunnel, tunnel is preferably excavated to realize.
Specifically, as shown in figure 5, cutting mechanism includes cut vector;Cut vector and power-equipment such as rotating electric machine connect
It connects;Cut vector includes two parts, i.e. rotating carrier portion and fixed part;The edge of the outer circular structure in rotating carrier portion is uniform
Multiple first cutting parts are set;The first cutting mouth is equipped between two adjacent the first cutting parts, the first cutting part plays cutting and makees
It is the outer ledge and the first cutting mouth of the first cutting part;Fixed part is connected to the center in rotating carrier portion, fixed
Portion is connect for providing rotary power for rotating carrier portion with power-equipment;Fixed part is also circular configuration, the circle of fixed part
Multiple second cutting parts are uniformly arranged on the outside of structure;The second cutting mouth is equipped between two adjacent the second cutting parts;It is fixed
Portion drives the rotation of the second cutting part to complete cutting purpose when rotating.The width of first cutting part is slightly wider than rotating carrier portion
Width.On the one hand the setting avoids rotating carrier portion and the first cutting part simultaneously with rock contact, cut so as to avoid first
It cuts portion and the second cutting part turns the decrease of power, meanwhile, which is conducive to crushed rocks particle and is discharged in time from cutting part.To complete
Better tunneling.
Further, first cutting part is notched circular ring structure;First cutting part is close to rotating carrier
The side of interconnecting piece is connect with rotating carrier interconnecting piece.
In order to enhance the bonding strength of the first cutting part Yu rotating carrier portion, the first cutting part is notched annulus knot
Structure;On the outside of the radian of the notched circular ring structure and rotating carrier portion identical part by welding or inlay or its
Its fixed form connection, so that it is more firm to connect the first cutting part with rotating carrier portion.
Further, one end of two adjacent the first cutting parts two sides close to each other other end that contacts with each other is mutually remote
From the first cutting mouth is constituted, first cutting mouth is V-structure.
As shown in figure 4, the first cutting mouth 7 is connected by one end of the left or right side of two adjacent the first cutting parts
It connects, the other end is located remotely from each other the V-structure of composition;Enhance the cutting of the first cutting part by the first cutting mouth of the V-structure
Power.
Further, the angle of the V-structure of the first cutting mouth is 10 ° -30 °.
Preferably, the angle of the V-structure of the first cutting mouth is 10 ° -30 °.
Further, it is equipped with gap between two adjacent first cutting parts side close to each other, adjacent two the
The two sides close to each other of one cutting part and the gap constitute the first cutting mouth.
Another embodiment is that first cutting mouth is not V-structure, is that the quadrilateral structure with opening such as lacks
The rectangle or trapezium structure of a line, so that the first cutting mouth be made to obtain preferable cutting force.
Further, second cutting part is notched circular ring structure;Second cutting part is close to fixed part
Side and the outside of fixed part connect, and gap is equipped between two adjacent the second cutting parts two sides close to each other, adjacent
The two sides close to each other of second cutting part and the gap constitute the second cutting mouth.
Similar with the first cutting mouth, the shape of the second cutting mouth 8 also can choose V-structure or the quadrangle with opening
Structure such as lacks the rectangle or trapezium structure of a line;Preferably, the first cutting mouth is V-structure;Second notch is with opening
Quadrilateral structure such as lack a line rectangle or trapezium structure.
Further, first cutting part and the second cutting part are made of hard alloy or diamond.
Preferably, first cutting part and the second cutting part are high using hardness strength, anti abrasive hard alloy or gold
Hard rock is made.
The fixed part is equipped with the shaft card slot 3 for clamping shaft.
Pin shaft can be passed through with the shaft of power-equipment for the ease of the connection fixed part of fixed part and power-equipment
Or the modes such as buckle, buckle and bolt be shared are connect with power-equipment;Preferably, the center of fixed part is equipped with shaft card slot,
Fixed part is connected by shaft card slot and power-equipment such as motor.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, all the utility model rights that falls into are wanted
The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.
Claims (5)
1. a kind of tunnel cutting head, it is characterised in that: including cutting head and fixed device;The cutting head includes rotating electric machine
And cutting mechanism;The cutting mechanism includes cut vector;The cut vector includes rotating carrier portion and fixed part;The rotation
Rotaring carrier portion is circular configuration;The edge in the rotating carrier portion is uniformly provided with several rotating carrier interconnecting pieces;Each rotation
Carrier interconnecting piece is equipped with the first cutting part, and the fixed part is connect with the side at the center in rotating carrier portion;The fixed part
For circular configuration;Several the second cutting parts are uniformly provided on the outside of the fixed part;It is equipped between the first adjacent cutting part
First cutting mouth, the second cutting mouth is equipped between the second adjacent cutting part, and the width of first cutting part is slightly wider than rotation
The width in carrier portion;The fixed part is equipped with the shaft card slot for clamping shaft;The shaft and shaft of the rotating electric machine
Card slot snaps connection;The rotating electric machine is fixed on the securing means.
2. a kind of tunnel cutting head according to claim 1, which is characterized in that the cutting head is several;It is described
Fixed device is mounting rack;The mounting rack includes front shoe and rear fixed plate;The front shoe is in equipped with several
The cutting mechanism mounting hole of snakelike distribution;The fixed part of each cutting mechanism pass through cutting mechanism mounting hole after with rotating electric machine
Shaft snaps connection;One end of the shaft of the separate rotating electric machine of rotating electric machine is fixed on rear fixed plate.
3. a kind of tunnel cutting head according to claim 2, which is characterized in that the front shoe and rear fixed plate
Both ends are connected by connecting plate.
4. a kind of tunnel cutting head according to claim 3, which is characterized in that the fixed part and rotating electric machine are distinguished
In the two sides of front shoe.
5. a kind of tunnel cutting head according to claim 4, which is characterized in that the separate electric rotating of the rotating electric machine
One end of the shaft of machine is bolted on rear fixed plate;First cutting part and the second cutting part use hard alloy
Or diamond is made.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821485631.7U CN209025671U (en) | 2018-09-11 | 2018-09-11 | A kind of tunnel cutting head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821485631.7U CN209025671U (en) | 2018-09-11 | 2018-09-11 | A kind of tunnel cutting head |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209025671U true CN209025671U (en) | 2019-06-25 |
Family
ID=66877547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821485631.7U Expired - Fee Related CN209025671U (en) | 2018-09-11 | 2018-09-11 | A kind of tunnel cutting head |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209025671U (en) |
-
2018
- 2018-09-11 CN CN201821485631.7U patent/CN209025671U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106733087B (en) | A kind of agricultural big data agglomeration fertilizer grinding device | |
CN210207066U (en) | Raw material particle pulverizer with quantitative feeding function for mullite processing | |
CN213825256U (en) | Milling machine for limestone sand making | |
CN209302847U (en) | A kind of graphite grinding device with uniform crushing function | |
CN105833967B (en) | One kind being suitable for cohesive soil and breaks up screening integrated apparatus | |
CN206336736U (en) | A kind of turnover plate type four-way switches funnel | |
CN208009204U (en) | It is a kind of to be used for the spiral distributing device that aggregate chips dispenses in highway maintenance construction | |
CN209025671U (en) | A kind of tunnel cutting head | |
CN109999949A (en) | A kind of architectural engineering aggregate screening milling apparatus | |
CN201216954Y (en) | Soil-crushing sifting machine | |
KR20120097118A (en) | Crusher of twin shaft | |
CN209025672U (en) | A kind of tunnel cutter device | |
CN109139036A (en) | A kind of tunnel cutting mechanism | |
CN108252712A (en) | A kind of coal mining high capacity crusher | |
CN108395304B (en) | Pile turning machine and method for biological organic fertilizer | |
CN107326815B (en) | A kind of bridge construction device | |
CN109184725A (en) | A kind of tunnel rotation propulsion cutter device | |
CN205761568U (en) | A kind of three axles synchronize disintegrating machine | |
CN208513646U (en) | A kind of cemented tungsten carbide carcass cutter ring | |
CN210210886U (en) | Cement stirring device capable of stirring uniformly | |
CN213943441U (en) | Swing arm sealing structure of vertical crusher | |
CN209034443U (en) | A kind of capsicum grinder | |
CN110369102A (en) | A kind of sand making machine using converter technique | |
CN207085995U (en) | The crushing shell of jaw crusher | |
CN108722538A (en) | A kind of crushing and screening device of building sandstone |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190625 |
|
CF01 | Termination of patent right due to non-payment of annual fee |