CN109654967A - A kind of explosion being easily installed flyrock protection device - Google Patents
A kind of explosion being easily installed flyrock protection device Download PDFInfo
- Publication number
- CN109654967A CN109654967A CN201910065839.6A CN201910065839A CN109654967A CN 109654967 A CN109654967 A CN 109654967A CN 201910065839 A CN201910065839 A CN 201910065839A CN 109654967 A CN109654967 A CN 109654967A
- Authority
- CN
- China
- Prior art keywords
- threaded rod
- link block
- fixed block
- right end
- rod
- 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.)
- Pending
Links
- 238000004880 explosion Methods 0.000 title claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims abstract description 78
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims description 5
- 238000005422 blasting Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a kind of explosion being easily installed flyrock protection devices, including pedestal and motor, the lower end four corners of the pedestal, which are fixedly connected to, halts wheel, the rear and front end of the weight is provided with the first fixed block, the outer surface of the loose collar is connected together and has reinforcing rod, the lower section front and rear sides of the fixed plate are provided with lower protective device, the motor is located at the inside right end of pedestal, the outer surface of the belt wheel is closely fitted with belt, the upper outer surface of the third threaded rod is connected together and has the second fixed block, the inside of second link block, which is run through, is connected with the 4th threaded rod, the right end of second link block is fixedly connected with the second protective net.The explosion the being easily installed flyrock protection device both facilitates and mounts and dismounts to protective device, is also moved easily the device, is additionally provided with the bracing means of protective device, uses the time in this way convenient for extension protective device.
Description
Technical field
The present invention relates to blasting technique field, the specially a kind of explosion being easily installed flyrock protection device.
Background technique
Explosion is to be compressed, loosened caused by explosion in empty gas and water, native stone medium or object using explosive, destroyed, thrown
It throws and lethal effect, a special kind of skill to achieve the desired purpose, explosion is chiefly used in defence engineering construction and wartime has plenty of time situation
Under soilstone ratio operation, it is general to need to carry out blasting work when digging tunnel, when tunnel carries out explosion, it may appear that slungshot
It disorderly the case where splashing, needs to protect blast working personnel by protective device, prevents what injuring by a crashing object from occurring in construction personnel to show
As.
General explosion mounts and dismounts protective device with flyrock protection device inconvenience, is also inconvenient to move this
The phenomenon that device is not provided with the bracing means of protective device, protective device is caused to be easy to appear damage, therefore, it is proposed that
A kind of explosion being easily installed flyrock protection device, in order to solve the problems, such as to propose among the above.
Summary of the invention
The purpose of the present invention is to provide a kind of explosion being easily installed flyrock protection devices, to solve above-mentioned background skill
The general explosion proposed in art mounts and dismounts protective device with flyrock protection device inconvenience, is also inconvenient to move
The problem of the phenomenon that device is not provided with the bracing means of protective device, protective device is caused to be easy to appear damage.
To achieve the above object, the invention provides the following technical scheme: a kind of explosion being easily installed is filled with flyrock protection
It sets, including pedestal and motor, the lower end four corners of the pedestal, which are fixedly connected to, halts wheel, and welding on the left of the upper end of pedestal
There is a weight, the rear and front end of the weight is provided with the first fixed block, and the inside of the first fixed block is through being connected with
Loose collar, the outer surface of the loose collar, which is connected together, reinforcing rod, and the upper end of reinforcing rod is connected with fixed plate, described
The lower section front and rear sides of fixed plate are provided with lower protective device, and the motor is located at the inside right end of pedestal, and motor is upper
Side is fixedly connected with belt wheel, and the outer surface of the belt wheel is closely fitted with belt, and the upper end of belt wheel is fixedly connected with third spiral shell
Rasp bar, the upper outer surface of the third threaded rod, which is connected together, the second fixed block, and the right end of the second fixed block engages company
It is connected to the second link block, the inside of second link block is through being connected with the 4th threaded rod, and up and down the two of the 4th threaded rod
End is threaded with third bolt, and the right end of second link block is fixedly connected with the second protective net, the fixed plate
Right end is threaded with third fixed block in two sides up and down, and the upper and lower ends of third fixed block run through and are connected with screw, institute
It states and is fixedly connected with hydraulic telescopic rod among the right end of third fixed block, and the right end of hydraulic telescopic rod is fixedly connected with support
Plate.
Preferably, the lower protective device includes bottom plate, spring, the first threaded rod, the first bolt, connecting rod, the first company
Block, the first protective net, the second threaded rod and the second bolt are connect, the bosom of bottom plate is fixedly connected to spring in two sides up and down,
The upper and lower ends of bottom plate, which run through, is connected with the first threaded rod, and the left and right ends of the first threaded rod are threaded with the first spiral shell
Bolt is welded with connecting rod among the right end of bottom plate, and the right end of connecting rod, which is connected together, the first link block, the right side of the first link block
End is fixedly connected with the first protective net, and the inside of the first link block, which is run through, is connected with the second threaded rod, above and below the second threaded rod
Both ends are threaded with the second bolt.
Preferably, first link block is detaching structure in connecting rod, and the first link block is about the first protective net
Central axes be symmetrically set with 2 groups.
Preferably, the third threaded rod is through the inside of the second fixed block, and the second link block is in the second fixed block
Upper is detaching structure, and the second fixed block is slide construction on third threaded rod.
Preferably, the support plate symmetrical above and below is provided with 2 groups, and the right surface of support plate about the central axes of fixed plate
It is fitted closely with the left surface of the second protective net, and hydraulic telescopic rod is symmetrically set with 2 about the central axes of support plate
Group.
Compared with prior art, the beneficial effects of the present invention are: the explosion the being easily installed flyrock protection device, both square
Just protective device is mounted and dismounted, is also moved easily the device, be additionally provided with the bracing means of protective device, so just
The time is used in extension protective device；
1. being provided with weight, reinforcing rod and halting wheel, since the device of pedestal upper right is excessive, it is unbalance to be easy to appear left and right
The phenomenon that, processing is balanced to the device by weight, fixed plate is reinforced by reinforcing rod, reinforcing rod is in the dress
Setting is detaching structure, is convenient for changing new reinforcing rod, drives the device arbitrarily to move by halting wheel, can by halting wheel
The device is set to be fixed on designated position；
2. be provided with spring, connecting rod, the first link block and the first protective net, mitigated by spring on the first protective net by
Vibration, so that the first protective net is fixed in connecting rod, pass through first by the way that the first link block to be engaged in connecting rod
Protective net carries out flyrock protection to the lower section of the device；
3. being provided with third threaded rod, the second protective net and support plate, driven on the second fixed block by rotation third threaded rod
Lower slider carries out flyrock protection by top of second protective net to the device, leads to so that the second protective net be driven to slide up and down
Support plate is crossed to reinforce the rear end of the first protective net and the second protective net, prevent the first protective net and the second protective net by
The impact of slungshot, the phenomenon that causing the first protective net and the second protective net to damage.
Detailed description of the invention
Fig. 1 is side elevational cross-section structural schematic diagram of the present invention；
Fig. 2 is positive structure diagram of the present invention；
Fig. 3 is the structural schematic diagram of the lower protective device of the present invention；
Fig. 4 is the side structure schematic view of the present invention fixed device the first protective net and the first link block.
In figure: 1, pedestal；2, wheel is halted；3, weight；4, the first fixed block；5, loose collar；6, reinforcing rod；7, fixed
Plate；8, lower protective device；801, bottom plate；802, spring；803, the first threaded rod；804, the first bolt；805, connecting rod；806,
First link block；807, the first protective net；808, the second threaded rod；809, the second bolt；9, motor；10, belt wheel；11, belt；
12, third threaded rod；13, the second fixed block；14, the second link block；15, the 4th threaded rod；16, third bolt；17, second is anti-
Protective net；18, third fixed block；19, screw；20, hydraulic telescopic rod；21, support plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of explosion being easily installed flyrock protection device,
Including pedestal 1, halt wheel 2, weight 3, the first fixed block 4, loose collar 5, reinforcing rod 6, fixed plate 7, lower protective device 8, electricity
Machine 9, belt wheel 10, belt 11, third threaded rod 12, the second fixed block 13, the second link block 14, the 4th threaded rod 15, third spiral shell
Bolt 16, the second protective net 17, third fixed block 18, screw 19, hydraulic telescopic rod 20 and support plate 21, the lower end quadrangle of pedestal 1
Place, which is fixedly connected to, halts wheel 2, and is welded with weight 3 on the left of the upper end of pedestal 1, and the rear and front end of weight 3 is respectively provided with
There is the first fixed block 4, and the inside of the first fixed block 4, through loose collar 5 is connected with, the outer surface of loose collar 5 is connected together and has
Reinforcing rod 6, and the upper end of reinforcing rod 6 is connected with fixed plate 7, the lower section front and rear sides of fixed plate 7 are provided with lower protection
Device 8, motor 9 is located at the inside right end of pedestal 1, and the top of motor 9 is fixedly connected with belt wheel 10, and the outer surface of belt wheel 10 is tight
It is close to be fitted with belt 11, and the upper end of belt wheel 10 is fixedly connected with third threaded rod 12, the upper outer surface of third threaded rod 12
Being connected together has the second fixed block 13, and the right end of the second fixed block 13 is connected together the second link block 14, the second link block
14 inside, which is run through, is connected with the 4th threaded rod 15, and the upper and lower ends of the 4th threaded rod 15 are threaded with third bolt
16, the right end of the second link block 14 is fixedly connected with the second protective net 17, and the right end of fixed plate 7 is threaded with two sides up and down
Third fixed block 18, and the upper and lower ends of third fixed block 18 run through and are connected with screw 19, in the right end of third fixed block 18
Between be fixedly connected with hydraulic telescopic rod 20, and the right end of hydraulic telescopic rod 20 is fixedly connected with support plate 21.
As protective device 8 lower in Fig. 3-4 includes bottom plate 801, spring 802, the first threaded rod 803, the first bolt 804, connects
Extension bar 805, the first link block 806, the first protective net 807, the second threaded rod 808 and the second bolt 809, the inside of bottom plate 801
Intermediate two sides up and down are fixedly connected to spring 802, and the upper and lower ends of bottom plate 801, which run through, is connected with the first threaded rod 803, the
The left and right ends of one threaded rod 803 are threaded with the first bolt 804, are welded with connecting rod among the right end of bottom plate 801
805, the right end of connecting rod 805, which is connected together, the first link block 806, and the right end of the first link block 806 is fixedly connected with first
Protective net 807, the inside of the first link block 806, which is run through, is connected with the second threaded rod 808, the upper and lower ends of the second threaded rod 808
It is threaded with the second bolt 809, it is winged to being carried out below the device by the first protective net 807 on lower protective device 8
Stone stops, and alleviates the vibration being subject on the first protective net 807 by spring 802, as first link block 806 is connecting in Fig. 2-4
It is detaching structure on extension bar 805, and the first link block 806 is symmetrically set with 2 about the central axes of the first protective net 807
Group, by the way that the first link block 806 to be engaged in connecting rod 805, consequently facilitating the first protective net 807 is fixed on the device
Lower section is reinforced by left and right ends of 2 group of first link block 806 to the first protective net 807.
Third threaded rod 12 is through the inside of the second fixed block 13 as shown in figure 1, and the second link block 14 is fixed second
It is detaching structure on block 13, and the second fixed block 13 is slide construction on third threaded rod 12, by rotating third screw thread
Bar 12 drives the second fixed block 13 to slide up and down, so that the second protective net 17 be driven to move up, the second protective net 17 passes through the
Two link blocks 14 are connected with the second fixed block 13, are convenient for carrying out slungshot resistance to the top of the device by the second protective net 17
Gear, as in Fig. 1-2 support plate 21 about fixed plate 7 central axes it is symmetrical above and below be provided with 2 groups, and the right surface of support plate 21 with
The left surface of second protective net 17 fits closely, and hydraulic telescopic rod 20 is symmetrical set about the central axes of support plate 21
There are 2 groups, the rear end of the second protective net 17 and the first protective net 807 is reinforced respectively by 2 groups of support plates 21, passes through 2 groups
Hydraulic telescopic rod 20 reinforces the rear end left and right sides of support plate 21.
Working principle: in the explosion being easily installed using this kind flyrock protection device, the device is used for tunnel first
Blasting work drives the device arbitrarily to move by halting wheel 2, and the upper right for halting wheel 2, which is provided with, only takes turns piece, passes through and only takes turns
Piece can make the device be fixed on designated position, since the device on 7 right side of fixed plate is excessive, be easy to cause 1 upper end of pedestal or so
It is unbalance, processing is balanced by upper end of the weight 3 to pedestal 1, is fixed the upper and lower ends of reinforcing rod 6 by loose collar 5
In fixed plate 7 and pedestal 1, loose collar 5 is reinforced by the first fixed block 4, is rotated by motor 9 with movable belt pulley 10,
It drives the belt wheel 10 at 1 inner right side rear of pedestal to rotate simultaneously by belt 11, drives 12 turns of third threaded rod by belt wheel 10
It is dynamic, to drive the second fixed block 13 to slide up and down in the outer surface of third threaded rod 12, by engaging the second link block 14
To the right end of the second fixed block 13, then the 4th threaded rod 15 is extended through in the second link block 14 and the second fixed block 13
Portion, then third bolt 16 is tightened in the upper and lower ends of the 4th threaded rod 15, consequently facilitating the second protective net 17 is fixed on
The right end of two fixed blocks 13 drives the second protective net 17 to move up by the second fixed block 13, right by the second protective net 17
The top of the device carries out slungshot blocking, the lower end progress slungshot blocking by lower protective device 8 to the device, and bottom plate 801
In the inside of fixed plate 7, by the way that the first threaded rod 803 to be extended through to the inside of fixed plate 7 and bottom plate 801, then in the first spiral shell
It tightens the first bolt 804 and passes through so that connecting rod 805 be made to be fixed on the rear and front end of fixed plate 7 in the left and right ends of rasp bar 803
First link block 806 is engaged to the inside of connecting rod 805, the second threaded rod 808 is then extended through into 806 He of the first link block
The second bolt 809 is tightened in the upper and lower ends of the second threaded rod 808, to make the first protective net 807 in the inside of connecting rod 805
It is fixed on the right end of connecting rod 805, the rear and front end of the first protective net 807 is added by the connecting rod 805 of rear and front end
Gu carrying out slungshot blocking by lower section of first protective net 807 to the device, alleviate the first protective net 807 by spring 802
On the vibration that is subject to, third fixed block 18 is fixed on by the right end of fixed plate 7 or more two sides by screw 19, in hydraulic telescopic rod
20 front end installation is connected with hydraulic cylinder, drives hydraulic telescopic rod 20 to extend to the right by hydraulic cylinder, to push support plate 21
It moves right, and then fits closely the right end of support plate 21 and the left end of the second protective net 17 and the first protective net 807, pass through
Support plate 21 reinforces the left end of the second protective net 17 and the first protective net 807, prevents the second protective net 17 and first anti-
Protective net 807 is led to the phenomenon for occurring damaged by enormous impact force, and above just to complete the explosion that this kind is easily installed anti-with slungshot
The sequence of operations of protection unit.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of explosion being easily installed flyrock protection device, including pedestal (1) and motor (9), it is characterised in that: the bottom
The lower end four corners of seat (1), which are fixedly connected to, halts wheel (2), and is welded with weight (3), institute on the left of the upper end of pedestal (1)
The rear and front end for stating weight (3) is provided with the first fixed block (4), and the inside of the first fixed block (4) is through being connected with work
Rotating ring (5), the outer surface of the loose collar (5) is connected together and has reinforcing rod (6), and the upper end of reinforcing rod (6) is connected with
The lower section front and rear sides of fixed plate (7), the fixed plate (7) are provided with lower protective device (8), and the motor (9) is located at bottom
The inside right end of seat (1), and belt wheel (10) are fixedly connected with above motor (9), the outer surface of the belt wheel (10) is closely pasted
Conjunction has belt (11), and the upper end of belt wheel (10) is fixedly connected with third threaded rod (12), the third threaded rod (12) it is upper
Square outer surface, which is connected together, to be had the second fixed block (13), and the right end of the second fixed block (13) is connected together the second link block
(14), the inside of second link block (14), which is run through, is connected with the 4th threaded rod (15), and the 4th threaded rod (15) is upper and lower
Both ends are threaded with third bolt (16), and the right end of second link block (14) is fixedly connected with the second protective net
(17), the right end of the fixed plate (7) is threaded with third fixed block (18) two sides up and down, and third fixed block (18)
Upper and lower ends, which run through, to be connected with screw (19), is fixedly connected with hydraulic telescopic rod among the right end of the third fixed block (18)
(20), and the right end of hydraulic telescopic rod (20) is fixedly connected with support plate (21).
2. a kind of explosion being easily installed flyrock protection device according to claim 1, it is characterised in that: described lower anti-
Protection unit (8) includes bottom plate (801), spring (802), the first threaded rod (803), the first bolt (804), connecting rod (805),
One link block (806), the first protective net (807), the second threaded rod (808) and the second bolt (809), the inside of bottom plate (801)
Intermediate two sides up and down are fixedly connected to spring (802), and the upper and lower ends of bottom plate (801), which run through, is connected with the first threaded rod
(803), the left and right ends of the first threaded rod (803) are threaded with the first bolt (804), among the right end of bottom plate (801)
It is welded with connecting rod (805), the right end of connecting rod (805), which is connected together, to be had the first link block (806), the first link block (806)
Right end be fixedly connected with the first protective net (807), the inside of the first link block (806) is through being connected with the second threaded rod
(808), the upper and lower ends of the second threaded rod (808) are threaded with the second bolt (809).
3. a kind of explosion being easily installed flyrock protection device according to claim 2, it is characterised in that: described first
Link block (806) is detaching structure on connecting rod (805), and the first link block (806) is about in the first protective net (807)
Axis is symmetrically set with 2 groups.
4. a kind of explosion being easily installed flyrock protection device according to claim 1, it is characterised in that: the third
Threaded rod (12) through the second fixed block (13) inside, and the second link block (14) on the second fixed block (13) for disassembly
Structure, and the second fixed block (13) is slide construction on third threaded rod (12).
5. a kind of explosion being easily installed flyrock protection device according to claim 1, it is characterised in that: the support
Plate (21) about fixed plate (7) central axes it is symmetrical above and below be provided with 2 groups, and the right surface of support plate (21) and the second protective net
(17) left surface fits closely, and hydraulic telescopic rod (20) is symmetrically set with 2 about the central axes of support plate (21)
Group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910065839.6A CN109654967A (en) | 2019-01-28 | 2019-01-28 | A kind of explosion being easily installed flyrock protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910065839.6A CN109654967A (en) | 2019-01-28 | 2019-01-28 | A kind of explosion being easily installed flyrock protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109654967A true CN109654967A (en) | 2019-04-19 |
Family
ID=66121058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910065839.6A Pending CN109654967A (en) | 2019-01-28 | 2019-01-28 | A kind of explosion being easily installed flyrock protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109654967A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721175A (en) * | 2020-06-23 | 2020-09-29 | 中铁十九局集团矿业投资有限公司 | Mine blasting rubble protector |
| CN112629350A (en) * | 2021-01-12 | 2021-04-09 | 浙江敬东建材有限公司 | Dustproof protection device of building blasting |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206667935U (en) * | 2017-04-28 | 2017-11-24 | 青岛德泰建设工程有限公司 | A kind of flame retardant type safety protective fence |
| CN207332457U (en) * | 2017-09-24 | 2018-05-08 | 杨海丽 | A kind of construction guardrail of detachable lifting |
| CN207407754U (en) * | 2017-10-25 | 2018-05-25 | 山东科技大学 | A kind of blasting flyrock protective device |
| KR101873803B1 (en) * | 2017-11-23 | 2018-07-03 | 동양건설(주) | A falling rock prevention pence with open type |
| CN207829006U (en) * | 2017-12-05 | 2018-09-07 | 中铁隧道集团四处有限公司 | Sizing moves retaining wall mould bases |
| CN108868090A (en) * | 2018-09-06 | 2018-11-23 | 中国建筑第二工程局有限公司 | Building construction platform |
| CN208183600U (en) * | 2018-03-02 | 2018-12-04 | 广州索程知识产权服务有限公司 | A kind of novel road safety protection frame |
| CN209623528U (en) * | 2019-01-28 | 2019-11-12 | 贵州大学 | A kind of explosion being easily installed flyrock protection device |
-
2019
- 2019-01-28 CN CN201910065839.6A patent/CN109654967A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206667935U (en) * | 2017-04-28 | 2017-11-24 | 青岛德泰建设工程有限公司 | A kind of flame retardant type safety protective fence |
| CN207332457U (en) * | 2017-09-24 | 2018-05-08 | 杨海丽 | A kind of construction guardrail of detachable lifting |
| CN207407754U (en) * | 2017-10-25 | 2018-05-25 | 山东科技大学 | A kind of blasting flyrock protective device |
| KR101873803B1 (en) * | 2017-11-23 | 2018-07-03 | 동양건설(주) | A falling rock prevention pence with open type |
| CN207829006U (en) * | 2017-12-05 | 2018-09-07 | 中铁隧道集团四处有限公司 | Sizing moves retaining wall mould bases |
| CN208183600U (en) * | 2018-03-02 | 2018-12-04 | 广州索程知识产权服务有限公司 | A kind of novel road safety protection frame |
| CN108868090A (en) * | 2018-09-06 | 2018-11-23 | 中国建筑第二工程局有限公司 | Building construction platform |
| CN209623528U (en) * | 2019-01-28 | 2019-11-12 | 贵州大学 | A kind of explosion being easily installed flyrock protection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721175A (en) * | 2020-06-23 | 2020-09-29 | 中铁十九局集团矿业投资有限公司 | Mine blasting rubble protector |
| CN111721175B (en) * | 2020-06-23 | 2022-04-01 | 中铁十九局集团矿业投资有限公司 | Mine blasting rubble protector |
| CN112629350A (en) * | 2021-01-12 | 2021-04-09 | 浙江敬东建材有限公司 | Dustproof protection device of building blasting |
| CN112629350B (en) * | 2021-01-12 | 2022-10-28 | 山东兴发建筑工程有限公司 | Dustproof protection device of building blasting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109654967A (en) | A kind of explosion being easily installed flyrock protection device | |
| CN209623528U (en) | A kind of explosion being easily installed flyrock protection device | |
| CN108480961A (en) | Double mode wheel pin demountor | |
| CN209275467U (en) | A kind of novel buried scraper conveyor | |
| CN208542292U (en) | A kind of road and bridge construction crushing and screening device | |
| CN214210260U (en) | Special high-efficient agitated vessel of calcium carbonate production | |
| CN207839122U (en) | A kind of wet ball mill applied in electroceramics manufacturing process | |
| CN111068830B (en) | Soil crushing device | |
| CN108582052A (en) | A kind of turnable manipulator | |
| CN108412514A (en) | Cantilevered pick shield all-in-one machine | |
| CN208644929U (en) | Hand-held pipeline-weld interface grinding device | |
| CN114888008B (en) | Carbon black conveying pipeline dredging robot and working method thereof | |
| CN217440074U (en) | Transition support capable of realizing end coal caving of top coal caving face | |
| CN202690053U (en) | Composite height-adjusting small-roller large-mining height coal cutter | |
| CN109436063A (en) | A kind of damping rain-proof type engineering explosion transport device | |
| CN110645027B (en) | Construction method by arch installing machine | |
| CN108943832A (en) | A kind of anti-blocking feed hopper of oil press | |
| CN110617089B (en) | Stable clamping arch installing machine | |
| CN203990852U (en) | A kind of building stones disintegrating apparatus of being convenient to mobile operational process | |
| CN207770299U (en) | A kind of screening machine easily changing sieve | |
| CN108082863A (en) | A kind of ore helical feed collecting device | |
| CN103909001B (en) | A kind of building stones disintegrating apparatus being easy to mobile operational process | |
| CN207891950U (en) | Mine backhoe loader advanced stand device | |
| CN110685725B (en) | Take bow member mounting plate of integrated valve piece | |
| CN207647451U (en) | A kind of water conservancy work climbing ladder being easily installed dismounting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |