CN108801093A - A kind of mine blasting secure mounting arrangements convenient for palisades installation explosive - Google Patents
A kind of mine blasting secure mounting arrangements convenient for palisades installation explosive Download PDFInfo
- Publication number
- CN108801093A CN108801093A CN201810616446.5A CN201810616446A CN108801093A CN 108801093 A CN108801093 A CN 108801093A CN 201810616446 A CN201810616446 A CN 201810616446A CN 108801093 A CN108801093 A CN 108801093A
- Authority
- CN
- China
- Prior art keywords
- fixed
- blasting
- cylinder
- mobile frame
- explosives
- 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
- 238000005422 blasting Methods 0.000 title claims abstract description 62
- 238000009434 installation Methods 0.000 title claims abstract description 26
- 239000002360 explosive Substances 0.000 title claims abstract description 23
- 239000011435 rock Substances 0.000 claims abstract description 29
- 238000009933 burial Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
本发明公开了一种便于岩壁安装炸药的矿山爆破用固定安装装置，包括底座、凹槽和爆破筒，所述底座的边侧安装有控制面板，所述第一气缸上连接有伸缩杆，所述凹槽开设于底座的顶部，且凹槽内安装有移动架，所述移动架顶部的内侧固定有第二气缸，且移动架的边侧设置有定位桶，所述第二气缸上连接有固定杆，且固定杆位于定位桶内，所述爆破筒安装于定位桶内，且爆破筒的外侧设置有套环，所述套环上安装有弹簧，且弹簧的一端固定有卡块。该便于岩壁安装炸药的矿山爆破用固定安装装置，设置有弹簧和卡块，两组卡块关于爆破筒中心对称设置，使得爆破筒的放置更稳固，通过第一气缸和第二气缸，自动将爆破筒推送至爆破孔内。
The invention discloses a fixed installation device for mine blasting which is convenient for installing explosives on a rock wall, which comprises a base, a groove and a blasting cylinder. A control panel is installed on the side of the base, and a telescopic rod is connected to the first cylinder. The groove is opened on the top of the base, and a mobile frame is installed in the groove, a second cylinder is fixed on the inner side of the top of the mobile frame, and a positioning bucket is arranged on the side of the mobile frame, and the second cylinder is connected with a Fix the rod, and the fixed rod is located in the positioning bucket, the blasting tube is installed in the positioning bucket, and a collar is arranged on the outside of the blasting tube, a spring is installed on the collar, and a block is fixed at one end of the spring. The fixed installation device for mine blasting, which is convenient for installing explosives on the rock wall, is provided with springs and clamping blocks. The two sets of clamping blocks are arranged symmetrically with respect to the center of the blasting tube, making the placement of the blasting tube more stable. The blasting tube is automatically moved by the first cylinder and the second cylinder. Push it into the blast hole.
Description
技术领域technical field
本发明涉及爆破固定安装技术领域，具体为一种便于岩壁安装炸药的矿山爆破用固定安装装置。The invention relates to the technical field of blasting fixed installation, in particular to a fixed installation device for mine blasting which facilitates the installation of explosives on rock walls.
背景技术Background technique
爆破是利用炸药在空气、水、土石介质或物体中爆炸所产生的压缩、松 动、破坏、抛掷及杀伤作用，达到预期目的的一门技术；药包或装药在土石介质或结构物中爆炸时，使土石介质或结构物产生压缩、变形、破坏、松散和抛掷的现象，主要用于土石方工程，以及金属建筑物和构筑物的拆除等。Blasting is a technology that uses the compression, loosening, destruction, throwing and killing effects of explosives in air, water, earth-rock media or objects to achieve the intended purpose; explosives or charges explode in earth-rock media or structures When the earth-rock medium or structure is compressed, deformed, destroyed, loosened and thrown, it is mainly used for earth-rock engineering, and the demolition of metal buildings and structures.
然而现有的爆破固定安装技术，一般采用土石掩埋来固定爆破炸药，固定效果不佳，需要手动，比较麻烦。针对上述问题，急需在原有爆破固定安装的基础上进行创新设计。However, the existing blasting fixed installation technology generally uses earth and rock burial to fix the blasting explosives, the fixing effect is not good, and manual work is required, which is troublesome. In view of the above problems, it is urgent to carry out innovative design on the basis of the original blasting fixed installation.
发明内容Contents of the invention
本发明的目的在于提供一种便于岩壁安装炸药的矿山爆破用固定安装装置，以解决上述背景技术提出现有的爆破固定安装技术，一般采用土石掩埋来固定爆破炸药，固定效果不佳，需要手动，比较麻烦的问题。The object of the present invention is to provide a kind of fixed installation device for mine blasting that is convenient for installing explosives on the rock wall, to solve the above-mentioned background technology, propose the existing blasting fixed installation technology, generally adopt earth and stone burial to fix the blasting explosives, the fixing effect is not good, need Manual, more troublesome problem.
为实现上述目的，本发明提供如下技术方案：一种便于岩壁安装炸药的矿山爆破用固定安装装置，包括底座、凹槽和爆破筒，所述底座的边侧安装有控制面板，且底座的顶部边缘处固定有放置箱，并且放置箱内设置有第一气缸，所述第一气缸上连接有伸缩杆，且伸缩杆位于放置箱的外侧，并且伸缩杆的一端固定有移动架，所述凹槽开设于底座的顶部，且凹槽内安装有移动架，所述移动架顶部的内侧固定有第二气缸，且移动架的边侧设置有定位桶，所述第二气缸上连接有固定杆，且固定杆位于定位桶内，并且固定杆的一端固定有推板，所述爆破筒安装于定位桶内，且爆破筒的外侧设置有套环，所述套环上安装有弹簧，且弹簧的一端固定有卡块。In order to achieve the above object, the present invention provides the following technical solutions: a fixed installation device for mine blasting that is convenient for installing explosives on rock walls, including a base, a groove and a blasting cylinder, a control panel is installed on the side of the base, and the top of the base A placement box is fixed at the edge, and a first cylinder is arranged in the placement box, and a telescopic rod is connected to the first cylinder, and the telescopic rod is located outside the placement box, and a mobile frame is fixed at one end of the telescopic rod. The groove is opened on the top of the base, and a mobile frame is installed in the groove, a second cylinder is fixed on the inner side of the top of the mobile frame, and a positioning bucket is arranged on the side of the mobile frame, and a fixed rod is connected to the second cylinder , and the fixed rod is located in the positioning bucket, and one end of the fixed rod is fixed with a push plate, the blasting tube is installed in the positioning bucket, and a collar is arranged on the outside of the blasting tube, a spring is installed on the collar, and one end of the spring Fixed with a card block.
优选的，所述移动架设计为矩形结构，且移动架与凹槽之间为滑动连接。Preferably, the mobile frame is designed as a rectangular structure, and the mobile frame is connected to the groove by sliding.
优选的，所述第二气缸与固定杆构成伸缩结构，且第二气缸与推板之间的最远距离大于定位桶的长度。Preferably, the second cylinder and the fixed rod form a telescopic structure, and the furthest distance between the second cylinder and the push plate is greater than the length of the positioning barrel.
优选的，所述推板设计为圆柱形结构，且推板与定位桶的内壁之间相互贴合。Preferably, the push plate is designed as a cylindrical structure, and the push plate and the inner wall of the positioning bucket are attached to each other.
优选的，所述弹簧与卡块为一体化结构设计，且弹簧与卡块之间相互垂直。Preferably, the spring and the block are designed as an integrated structure, and the spring and the block are perpendicular to each other.
优选的，所述卡块关于爆破筒的中心轴线对称设置有2组，且卡块每组的个数为4个。Preferably, two sets of blocks are arranged symmetrically with respect to the central axis of the blasting barrel, and the number of blocks in each group is four.
与现有技术相比，本发明的有益效果是：该便于岩壁安装炸药的矿山爆破用固定安装装置，设置有第一气缸和第二气缸，第一气缸带动移动架的运行，将移动架上的定位桶推至爆破炸药安装处，同时设置了凹槽，移动架在凹槽内的滑动，使得移动架在移动时更稳固，第二气缸带动固定杆的运行，通过推板，将定位桶内的爆破筒推至爆破炸药安装处，避免人工安装，同时通过爆破筒上安装的弹簧和卡块，将爆破筒固定于岩壁的内壁上，设置的2组卡块，使得爆破筒的放置更为固定，避免脱落，该装置自动将爆破筒安装于需要爆破的岩壁内，同时通过设置的弹簧和卡块，将爆破筒固定于岩壁内。Compared with the prior art, the beneficial effect of the present invention is: the fixed installation device for mine blasting that is convenient for installing explosives on the rock wall is provided with a first cylinder and a second cylinder, the first cylinder drives the operation of the mobile frame, and the mobile frame Push the positioning barrel on the top to the installation place of the blasting explosives, and set a groove at the same time. The sliding of the mobile frame in the groove makes the mobile frame more stable when moving. The second cylinder drives the operation of the fixed rod. Through the push plate, the positioning The blasting tube in the barrel is pushed to the place where the blasting explosive is installed to avoid manual installation. At the same time, the blasting tube is fixed on the inner wall of the rock wall through the spring and clamping blocks installed on the blasting tube. Two sets of clamping blocks are set to make the placement of the blasting tube more fixed. , to avoid falling off, the device automatically installs the blasting tube in the rock wall to be blasted, and at the same time fixes the blasting tube in the rock wall through the set spring and block.
附图说明Description of drawings
图1为本发明正面结构示意图；Fig. 1 is the schematic view of the front structure of the present invention;
图2为本发明侧面结构示意图；Fig. 2 is a schematic view of the side structure of the present invention;
图3为本发明爆破筒结构示意图。Fig. 3 is a structural schematic diagram of the blasting cylinder of the present invention.
图中：1、底座；2、控制面板；3、放置箱；4、第一气缸；5、伸缩杆；6、移动架；7、凹槽；8、第二气缸；9、定位桶；10、固定杆；11、推板；12、爆破筒；13、弹簧；14、卡块；15、套环。In the figure: 1, base; 2, control panel; 3, placement box; 4, first cylinder; 5, telescopic rod; 6, mobile frame; 7, groove; 8, second cylinder; 9, positioning barrel; 10 , fixed rod; 11, push plate; 12, blasting tube; 13, spring; 14, block; 15, collar.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
请参阅图1-3，本发明提供一种技术方案：一种便于岩壁安装炸药的矿山爆破用固定安装装置，包括底座1、控制面板2、放置箱3、第一气缸4、伸缩杆5、移动架6、凹槽7、第二气缸8、定位桶9、固定杆10、推板11、爆破筒12、弹簧13、卡块14和套环15，底座1的边侧安装有控制面板2，且底座1的顶部边缘处固定有放置箱3，并且放置箱3内设置有第一气缸4，第一气缸4上连接有伸缩杆5，且伸缩杆5位于放置箱3的外侧，并且伸缩杆5的一端固定有移动架6，凹槽7开设于底座1的顶部，且凹槽7内安装有移动架6，移动架6设计为矩形结构，且移动架6与凹槽7之间为滑动连接，使得移动架6可以通过第一气缸4在凹槽7内滑动，使得移动架6在移动时更稳固，移动架6顶部的内侧固定有第二气缸8，且移动架6的边侧设置有定位桶9，第二气缸8上连接有固定杆10，且固定杆10位于定位桶9内，并且固定杆10的一端固定有推板11，第二气缸8与固定杆10构成伸缩结构，且第二气缸8与推板11之间的最远距离大于定位桶9的长度，使得通过推板11将爆破筒12完全推出定位桶9内，推板11设计为圆柱形结构，且推板11与定位桶9的内壁之间相互贴合，方便第二气缸8带动推板11的运行，将爆破筒12推出定位桶9内，爆破筒12安装于定位桶9内，且爆破筒12的外侧设置有套环15，套环15上安装有弹簧13，且弹簧13的一端固定有卡块14，弹簧13与卡块14为一体化结构设计，且弹簧13与卡块14之间相互垂直，方便通过弹簧13与卡块14将爆破筒12固定安装在岩壁内，卡块14关于爆破筒12的中心轴线对称设置有2组，且卡块14每组的个数为4个，使得爆破筒12在岩壁内的安装更稳固，不会掉落。Please refer to Figures 1-3, the present invention provides a technical solution: a fixed installation device for mine blasting that is convenient for installing explosives on rock walls, including a base 1, a control panel 2, a storage box 3, a first cylinder 4, and a telescopic rod 5 , mobile frame 6, groove 7, second cylinder 8, positioning bucket 9, fixed rod 10, push plate 11, blasting tube 12, spring 13, block 14 and collar 15, and the side of base 1 is equipped with control panel 2 , and the top edge of the base 1 is fixed with a placement box 3, and a first cylinder 4 is arranged in the placement box 3, and a telescopic rod 5 is connected to the first cylinder 4, and the telescopic rod 5 is located on the outside of the placement box 3, and stretches One end of the rod 5 is fixed with a mobile frame 6, the groove 7 is opened on the top of the base 1, and the mobile frame 6 is installed in the groove 7, the mobile frame 6 is designed as a rectangular structure, and between the mobile frame 6 and the groove 7 is Slidingly connected, so that the mobile frame 6 can slide in the groove 7 by the first cylinder 4, so that the mobile frame 6 is more stable when moving, the inner side of the mobile frame 6 top is fixed with the second cylinder 8, and the side of the mobile frame 6 A positioning bucket 9 is provided, a fixed rod 10 is connected to the second cylinder 8, and the fixed rod 10 is located in the positioning bucket 9, and one end of the fixed rod 10 is fixed with a push plate 11, and the second cylinder 8 and the fixed rod 10 form a telescopic structure , and the farthest distance between the second cylinder 8 and the push plate 11 is greater than the length of the positioning barrel 9, so that the blasting tube 12 is completely pushed out of the positioning barrel 9 by the push plate 11, the push plate 11 is designed as a cylindrical structure, and the push plate 11 and the inner wall of the positioning bucket 9 fit together to facilitate the operation of the second cylinder 8 to drive the push plate 11, and the blasting tube 12 is pushed out of the positioning bucket 9. The blasting tube 12 is installed in the positioning bucket 9, and the outside of the blasting tube 12 is provided with Collar 15, a spring 13 is installed on the collar 15, and one end of the spring 13 is fixed with a block 14, the spring 13 and the block 14 are designed as an integrated structure, and the spring 13 and the block 14 are perpendicular to each other, which is convenient for passing The spring 13 and the block 14 fix the blasting tube 12 in the rock wall. There are 2 groups of the locking blocks 14 symmetrically with respect to the central axis of the blasting tube 12, and the number of each group of blocks 14 is 4, so that the blasting tube 12 is placed on the rock wall. The installation inside is more stable and will not fall off.
工作原理：在使用该便于岩壁安装炸药的矿山爆破用固定安装装置时，首先将套环15和套环15上的弹簧13与卡块14放置在爆破筒12上，然后将爆破筒12放进定位桶9内，将底座1放置于移动设备上，通过控制面板2控制第一气缸4和第二气缸8的运行，第一气缸4通过伸缩杆5带动移动架6在凹槽7内运行，将移动架6上连接的定位桶9推至需要放置爆破炸药的岩壁处，然后第二气缸8带动固定杆10的运行，使得固定杆10上连接的推板11将定位桶9内的爆破筒12推至安装炸药的岩壁处，当爆破筒12进入岩壁内，爆破筒12上的弹簧13将卡块14推至岩壁的内壁处，对爆破筒12进行固定，设置的2组弹簧13和卡块14，通过与岩壁的内壁的多个接触面，防止爆破筒12脱落。Working principle: When using the fixed installation device for mine blasting that is convenient for installing explosives on the rock wall, first place the collar 15 and the spring 13 and the block 14 on the collar 15 on the blasting tube 12, and then put the blasting tube 12 into the positioning In the bucket 9, the base 1 is placed on the mobile device, and the operation of the first cylinder 4 and the second cylinder 8 is controlled by the control panel 2. The first cylinder 4 drives the mobile frame 6 to run in the groove 7 through the telescopic rod 5, and the The positioning bucket 9 connected on the mobile frame 6 is pushed to the rock wall where the blasting explosive needs to be placed, and then the second cylinder 8 drives the operation of the fixed rod 10, so that the push plate 11 connected to the fixed rod 10 will position the blasting cylinder 12 in the positioning bucket 9. Push it to the rock wall where the explosive is installed. When the blasting tube 12 enters the rock wall, the spring 13 on the blasting tube 12 pushes the block 14 to the inner wall of the rock wall, and fixes the blasting tube 12. Two sets of springs 13 and blocks are set. 14. Prevent the blasting cylinder 12 from falling off through multiple contact surfaces with the inner wall of the rock wall.
尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the present invention, any modifications, equivalent replacements, improvements, etc., shall be included in the protection scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810616446.5A CN108801093A (en) | 2018-06-14 | 2018-06-14 | A kind of mine blasting secure mounting arrangements convenient for palisades installation explosive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810616446.5A CN108801093A (en) | 2018-06-14 | 2018-06-14 | A kind of mine blasting secure mounting arrangements convenient for palisades installation explosive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108801093A true CN108801093A (en) | 2018-11-13 |
Family
ID=64086289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810616446.5A Pending CN108801093A (en) | 2018-06-14 | 2018-06-14 | A kind of mine blasting secure mounting arrangements convenient for palisades installation explosive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108801093A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506535A (en) * | 2018-12-05 | 2019-03-22 | 贵州大学 | A kind of fixed device of explosion with depositing dust function |
| CN111947529A (en) * | 2020-07-24 | 2020-11-17 | 湖南德立安全环保科技有限公司 | Blasting tube fixing device for engineering blasting |
| CN112414245A (en) * | 2020-10-17 | 2021-02-26 | 高章斌 | Accurate positioning blasting system |
| CN113357984A (en) * | 2021-05-28 | 2021-09-07 | 北京工业大学 | Push-type explosive-filling spacer and using method thereof |
| CN113432496A (en) * | 2021-06-21 | 2021-09-24 | 湖南创远高新机械有限责任公司 | Automatic supply device for detonation bomb and control method thereof |
| CN116793473A (en) * | 2023-08-29 | 2023-09-22 | 淄博圣世达爆破工程有限公司 | Rock blasting vibration testing device |
| WO2023197087A1 (en) * | 2022-04-12 | 2023-10-19 | Enaex Servicios Sa | Device and method for robotised priming |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012095687A3 (en) * | 2010-10-13 | 2012-11-01 | Cardox International Limited | Safety collar of a blasting cartridge |
| CN107218861A (en) * | 2017-07-07 | 2017-09-29 | 贵州大学 | A kind of explosion tube fixing device |
| CN107328325A (en) * | 2017-07-11 | 2017-11-07 | 贵州新联爆破工程集团有限公司 | A kind of quick bursting device |
-
2018
- 2018-06-14 CN CN201810616446.5A patent/CN108801093A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012095687A3 (en) * | 2010-10-13 | 2012-11-01 | Cardox International Limited | Safety collar of a blasting cartridge |
| CN107218861A (en) * | 2017-07-07 | 2017-09-29 | 贵州大学 | A kind of explosion tube fixing device |
| CN107328325A (en) * | 2017-07-11 | 2017-11-07 | 贵州新联爆破工程集团有限公司 | A kind of quick bursting device |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506535A (en) * | 2018-12-05 | 2019-03-22 | 贵州大学 | A kind of fixed device of explosion with depositing dust function |
| CN109506535B (en) * | 2018-12-05 | 2021-05-14 | 贵州大学 | Fixing device is used in blasting with dust fall function |
| CN111947529A (en) * | 2020-07-24 | 2020-11-17 | 湖南德立安全环保科技有限公司 | Blasting tube fixing device for engineering blasting |
| CN112414245A (en) * | 2020-10-17 | 2021-02-26 | 高章斌 | Accurate positioning blasting system |
| CN112414245B (en) * | 2020-10-17 | 2022-11-22 | 高章斌 | Accurate positioning blasting system |
| CN113357984A (en) * | 2021-05-28 | 2021-09-07 | 北京工业大学 | Push-type explosive-filling spacer and using method thereof |
| CN113432496A (en) * | 2021-06-21 | 2021-09-24 | 湖南创远高新机械有限责任公司 | Automatic supply device for detonation bomb and control method thereof |
| WO2023197087A1 (en) * | 2022-04-12 | 2023-10-19 | Enaex Servicios Sa | Device and method for robotised priming |
| CN116793473A (en) * | 2023-08-29 | 2023-09-22 | 淄博圣世达爆破工程有限公司 | Rock blasting vibration testing device |
| CN116793473B (en) * | 2023-08-29 | 2023-11-07 | 淄博圣世达爆破工程有限公司 | Rock blasting vibration testing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108801093A (en) | A kind of mine blasting secure mounting arrangements convenient for palisades installation explosive | |
| CN113775355B (en) | Rock mass stable type supporting device for rock burst prevention in tunnel excavation and construction method thereof | |
| CN106732931B (en) | A kind of building materials pellet sorting equipment | |
| CN108548461B (en) | A fixing device for engineering blasting that facilitates the fixing and suspension of blasting hole ammunition | |
| CN209973294U (en) | Storage bin | |
| CN210288627U (en) | Sewage drainage pipe for municipal works | |
| CN218802197U (en) | Safety device for engineering machinery equipment management | |
| CN216745760U (en) | Blasting tube fixing device for engineering blasting | |
| CN207095429U (en) | A kind of quick bursting device | |
| CN222279539U (en) | Explosive charging structure for blasting hole | |
| CN220288448U (en) | A kind of explosive gravel interceptor | |
| CN107328325A (en) | A kind of quick bursting device | |
| CN207816107U (en) | A kind of novel explosive cartridge | |
| CN116733509A (en) | A safety protection device for tunnel entrance construction | |
| CN206488709U (en) | A kind of rock drift blasting is anti-to collapse device | |
| CN207946029U (en) | A kind of ground vertical hole plugging handling auxiliary device | |
| CN113600479B (en) | Civil engineering material promotes separation treatment facility | |
| CN208202811U (en) | A kind of connecting column protecting divider wall | |
| CN219328380U (en) | Explosion construction protection cover applied to urban area | |
| CN208349944U (en) | The buffer blasting device of constructing tunnel | |
| CN118208281B (en) | Novel colliery is automatic flame proof device in pit of adjustable dustcoat | |
| CN221198214U (en) | Protection structure convenient to install for surface mine blasting | |
| CN220451968U (en) | Explosion protector for tunnel civil air defense safety | |
| CN221741295U (en) | A deep foundation pit slope auxiliary support device | |
| CN220524792U (en) | Charging hopper for blasting |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181113 |