CN109827485A - Pin-connected panel flyrock protection device and its application method for cofferdam demolition explosion - Google Patents
Pin-connected panel flyrock protection device and its application method for cofferdam demolition explosion Download PDFInfo
- Publication number
- CN109827485A CN109827485A CN201910212942.9A CN201910212942A CN109827485A CN 109827485 A CN109827485 A CN 109827485A CN 201910212942 A CN201910212942 A CN 201910212942A CN 109827485 A CN109827485 A CN 109827485A
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- China
- Prior art keywords
- protective unit
- pin
- cofferdam
- rigid backbone
- protective
- 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.)
- Granted
Links
- 238000004880 explosion Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 62
- 238000005422 blasting Methods 0.000 claims abstract description 19
- 239000011241 protective layer Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000010920 waste tyre Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 abstract description 8
- 230000035939 shock Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Abstract
The invention discloses a kind of pin-connected panel flyrock protection devices and its application method for cofferdam demolition explosion; the device includes the protective unit that several are detachably connected; each protective unit includes rigid backbone; the side of the rigid backbone is provided with flexible cushion, and the other side of the rigid backbone is provided with elastic protective layer.The present invention can not only protect the ejection of fritter stone, can also protect the shock of boulder, moreover it is possible to be formed and be protected to constructional appearance, the blasting flyrock especially suitable for short distance main structure protects.
Description
Technical field
The invention belongs to the technical fields of Geotechnical Engineering Blasting, and in particular to a kind of pin-connected panel for cofferdam demolition explosion
Flyrock protection device and its application method.
Background technique
In hydraulic and hydroelectric engineering field, the dismounting in cofferdam is an essential job in engineering.For coagulation fortifield village
Weir and rock obstruct cofferdam, and demolition blasting is most common construction means.When carrying out demolition blasting, tends to generation explosion and fly
Stone damages main building object.Blasting energy is huge, and blasting flyrock ill-effect is divided into two kinds: the first is fritter stone,
Ejection velocity is fast, and casting distance is remote, and ejecting type is be easy to cause to destroy；Second is boulder, and thrown pilling is slow, casting distance
Closely, but since block diameter is big, weight is big, collision type is be easy to cause to destroy.For hydraulic and hydroelectric engineering, cofferdam is often built apart from main body
It is very close to build object, when carrying out cofferdam demolition, both blasting flyrock ill-effects will be protected, and should can keep out fritter stone
Ejection, can resist the shock of boulder again.
In addition, often incident after cofferdam demolition is exactly that water flow pours in for hydraulic and hydroelectric engineering, flyrock protection dress
Setting can all be flooded not.The dismounting of blasting flyrock protective device becomes very troublesome just at underwater operation.Existing explosion
Flyrock protection device, the ejection that can only protect fritter stone having destroy, and some may be only available for the protection under dry ground anhydrous condition,
It is not easy to underwater demolition.Therefore, it is necessary to design a kind of blasting flyrock protective device, it to be used for protection master when coffering demolition blasting
Body building is destroyed from slungshot, while being convenient for underwater demolition.
Summary of the invention
The object of the invention is in order to solve deficiency existing for above-mentioned background technique, provide a kind of protective capacities it is strong and
Convenient for the pin-connected panel flyrock protection device for cofferdam demolition explosion of underwater demolition, also provide a kind of for cofferdam demolition explosion
Pin-connected panel flyrock protection device application method.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of pin-connected panel for cofferdam demolition explosion flies
Stone protective device, including the protective unit that several are detachably connected, each protective unit includes rigid backbone, described rigid
The side of property skeleton is provided with flexible cushion, and the other side of the rigid backbone is provided with elastic protective layer.
Preferably, it is provided with the kelly being fixedly connected with rigid backbone above the protective unit,
The card hole being engaged by clamping with kelly is provided with below the protective unit；Two longitudinally adjacent protective units pass through by
Kelly is embedded in card hole positioned opposite and is mutually clamped.
Preferably, longitudinal side of the protective unit is provided with the cunning of several perpendicular arrangements
One end of bar, the slide bar is fixedly connected with rigid backbone, and the other end end of the slide bar is provided with to be rotatablely connected with it
Idler wheel, longitudinal other side of the protective unit are provided with for the sliding rail for idler wheel insertion sliding；Two laterally adjacent institutes
Protective unit is stated mutually to be slidably connected by the way that idler wheel to be embedded in sliding rail positioned opposite.
Preferably, the rigid backbone includes rigid frame, and the centre of the rigid frame is provided with
Several parallel or vertically arranged reinforcing rods.
Preferably, the sliding rail includes U-lag, and the opening two sides of the U-lag are provided with limit
Plate, the U-lag are an integral molding structure with limit plate；The sliding rail is arranged in the rigid backbone of protective unit.
Preferably, the flexible cushion is the flexible member that waste tire is spliced.
Preferably, the elastic protective layer is the elastic structure that the bamboo chip in a row arranged in column is spliced
Part.
Preferably, the flexible cushion is fixedly connected by way of bonding with rigid backbone.
Preferably, the elastic protective layer is fixedly connected by bolt assembly with rigid backbone.
The present invention also provides a kind of application methods of pin-connected panel flyrock protection device for cofferdam demolition explosion, including such as
Lower step:
1) protective unit is laid on the outside of Blasting Demolition of Cofferdam area water inlet to be protected, by the rolling of the protective unit
Wheel is set from the top down in the sliding rail of another laterally adjacent protective unit, and successively lateral connection shape is in a row；
2) when being laid with second row protective unit, the upper row that the kelly of the protective unit of lower row is caught in is longitudinally adjacent
Another protective unit card hole in, be successively vertically connected to form a column；
3) circulation step 1) and step 2) continue to be laid with, until cover the protection face of entire water inlet, formed whole anti-
Protection unit；
4) bind hawser in the rigid backbone of the protective unit of the top layer of each column, and on side slope upper brace
Cable machine is connected；
5) after Blasting Demolition of Cofferdam, protective unit is pulled to by column by side slope upper brace using cable machine, completes protection dress
The dismounting set.
Compared with prior art, the beneficial effects of the present invention are:
First, protective unit of the invention includes rigid backbone, the side of rigid backbone is provided with flexible cushion, rigid bone
The other side of frame is provided with elastic protective layer, can not only protect the ejection of fritter stone, can also protect the shock of boulder, also
Constructional appearance can be formed and be protected, the blasting flyrock especially suitable for short distance main structure protects.
Second, kelly by being embedded in card hole phase positioned opposite by longitudinally adjacent two protective unit of the invention
Mutually clamping, two laterally adjacent protective units are mutually slidably connected by the way that idler wheel to be embedded in sliding rail positioned opposite,
Underwater demolition can be carried out after the completion of bursting work, especially suitable for the protection of Blasting Demolition of Cofferdam slungshot, flooded in water flow
Underwater blasting protection device is easily removed using cable machine afterwards.
Third, the present invention is not only simple in structure, manufacturing cost is low, and can be prefabricated in advance, assembled structure is convenient existing
Field installation and dismounting, save the construction time, improve working efficiency.
Detailed description of the invention
Fig. 1 is the front view structure of protective unit in the pin-connected panel flyrock protection device for cofferdam demolition explosion of the invention
Schematic diagram；
Fig. 2 is the backsight structural representation of Fig. 1；
Fig. 3 is the side structure schematic view of Fig. 2；
Fig. 4 is the overlooking structure diagram of slide bar and idler wheel in Fig. 1；
Fig. 5 is the schematic cross-sectional view of slide bar and idler wheel in Fig. 4；
Fig. 6 is the overlooking structure diagram of sliding rail in Fig. 1；
Fig. 7 is that the installation for the pin-connected panel flyrock protection device of cofferdam demolition explosion in use state of the invention is shown
It is intended to；
In figure: 1- protective unit, 1.1- rigid backbone, 1.11- rigid frame, 1.12- reinforcing rod, 1.2- flexible cushion,
1.3- elastic protective layer, 2- kelly, 3- card hole, 4- slide bar, 5- idler wheel, 6- sliding rail, 6.1-U shape slot, 6.2- limit plate, 7- water inlet
Mouth, 8- hawser, 9- cable machine, the cofferdam 10-.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments, convenient for this hair is well understood
It is bright, but they limiting the invention.
Pin-connected panel flyrock protection device for cofferdam demolition explosion of the invention as shown in Figures 1 to 3, including several
The protective unit 1 being detachably connected, each protective unit include rigid backbone 1.1, and the side setting of rigid backbone 1.1 is flexible
Bed course 1.2, the other side of rigid backbone 1.1 are provided with elastic protective layer 1.3.Flexible cushion 1.2 is spliced for waste tire
Flexible member, flexible cushion 1.2 is fixedly connected by way of bonding with rigid backbone 1.1, to buffer shooting slungshot
Impact force.Elastic protective layer 1.3 is the elastic component that the bamboo chip in a row arranged in column is spliced, and elastic protective layer 1.3 passes through
Bolt assembly or the mode of reinforcing bar binding are fixedly connected with rigid backbone 1.1, to keep out the ejection of fritter stone.
As shown in Figure 1, rigid backbone 1.1 includes rigid frame 1.11, the centre of rigid frame 1.11 is provided with several
Parallel or vertically arranged reinforcing rod 1.12.Rigid frame 1.11 is welded using I-steel, and frame structure has higher
Strength and stiffness, be unlikely to deformation failure when resisting the shock of slungshot, sound construction, easy to disassemble and recycling, just
Property the intermediate of frame 1.11 weld reinforcing rod 1.12, ensure that the stable structure of frame, to be conducive to keep out hitting for boulder
It hits.
As shown in Fig. 2, the top of protective unit 1 is provided with the kelly 2 being fixedly connected with rigid backbone 1.1, protective unit 1
Lower section be provided with kelly 2 be engaged by clamping card hole 3；Kelly 2 and card hole 3 are arranged in rigid backbone 1.1.It is longitudinally adjacent
Two protective units 1 be mutually clamped by the way that kelly 2 is embedded in card hole 3 positioned opposite, this spline structure is connected firmly, Zong Xianglian
Column are connected into, to form integral protection.
As shown in Figures 4 and 5, longitudinal side of protective unit 1 is provided with the slide bar 4 of several perpendicular arrangements, slide bar 4
One end be fixedly connected with rigid backbone 1.1, the other end end of slide bar 4 is provided with the idler wheel 5 being rotatablely connected with it, idler wheel 5
It is mounted on slide bar 4 by bearing.Longitudinal other side of protective unit 1 is provided with for the sliding rail 6 for the insertion sliding of idler wheel 5；
Slide bar 4, idler wheel 5 and sliding rail 6 are arranged in rigid backbone 1.1.Two laterally adjacent protective units 1 are by the way that idler wheel 5 to be embedded in
It is mutually slidably connected in sliding rail 6 positioned opposite, such lateral connection is in a row, to form integral protection.
As shown in fig. 6, sliding rail 6 includes U-lag 6.1, the opening two sides of U-lag 6.1 are provided with limit plate 6.2, U-lag
6.1 are an integral molding structure with limit plate 6.2.In this manner it is ensured that idler wheel 5 is set in U-lag 6.1, and pass through limit plate
6.2 are limited, to guarantee that two laterally adjacent protective units 1 connect in a row.
The application method of pin-connected panel flyrock protection device for cofferdam demolition explosion of the invention, includes the following steps:
1) protective unit 1 is laid on the outside of 10 demolition blasting area of cofferdam water inlet 7 to be protected, by the protective unit
1 idler wheel 5 is set from the top down in the sliding rail 6 of another laterally adjacent protective unit 1, and successively lateral connection forms one
Row；
2) when being laid with second row protective unit, upper row longitudinal direction phase that the kelly 2 of the protective unit 1 of lower row is caught in
In the card hole 3 of another adjacent protective unit 1, it is successively vertically connected to form a column；
3) circulation step 1) and step 2) continue to be laid with, until cover the protection face of entire water inlet 7, formed whole anti-
Protection unit；
4) bind hawser 8 in the rigid backbone 1.1 of the protective unit 1 of the top layer of each column, and with side slope upper flat
Cable machine 9 on platform is connected；
5) after 10 demolition blasting of cofferdam, water inlet and protective device can be all flooded not, by column will protection using cable machine 9
Unit 1 is pulled to side slope upper brace, completes the dismounting of protective device.
More than, only a specific embodiment of the invention, it is noted that it is the prior art that remaining is unspecified, is appointed
Within the technical scope disclosed by the invention, any changes or substitutions that can be easily thought of, all answers by what those skilled in the art
It is included within the scope of the present invention.
Claims (10)
1. a kind of pin-connected panel flyrock protection device for cofferdam demolition explosion, it is characterised in that: detachably connect including several
The protective unit (1) connect, each protective unit include rigid backbone (1.1), the side setting of the rigid backbone (1.1)
The other side of flexible bed course (1.2), the rigid backbone (1.1) is provided with elastic protective layer (1.3).
2. the pin-connected panel flyrock protection device according to claim 1 for cofferdam demolition explosion, it is characterised in that: described
The kelly (2) being fixedly connected with rigid backbone (1.1), the lower section of the protective unit (1) are provided with above protective unit (1)
It is provided with the card hole (3) being engaged by clamping with kelly (2)；The protective unit (1) of longitudinally adjacent two passes through kelly (2) is embedding
Enter card hole positioned opposite (3) to be mutually clamped.
3. the pin-connected panel flyrock protection device according to claim 1 for cofferdam demolition explosion, it is characterised in that: described
Longitudinal side of protective unit (1) is provided with the slide bar (4) of several perpendicular arrangements, one end of the slide bar (4) and just
Property skeleton (1.1) be fixedly connected, the other end end of the slide bar (4) is provided with the idler wheel (5) being rotatablely connected with it, described anti-
Longitudinal other side of shield unit (1) is provided with for the sliding rail (6) for idler wheel (5) insertion sliding；Described in laterally adjacent two
Protective unit (1) is mutually slidably connected by the way that idler wheel (5) are embedded in sliding rail (6) positioned opposite.
4. the pin-connected panel flyrock protection device according to claim 3 for cofferdam demolition explosion, it is characterised in that: described
Sliding rail (6) includes U-lag (6.1), and the opening two sides of the U-lag (6.1) are provided with limit plate (6.2), the U-lag
(6.1) it is an integral molding structure with limit plate (6.2)；Rigid backbone (1.1) of sliding rail (6) setting in protective unit (1)
On.
5. the pin-connected panel flyrock protection device according to claim 1 for cofferdam demolition explosion, it is characterised in that: described
Rigid backbone (1.1) includes the rigid frame (1.11) in rectangle, and the centre of the rigid frame (1.11) is provided with several
Parallel or vertically arranged reinforcing rod (1.12).
6. described in any item pin-connected panel flyrock protection devices for cofferdam demolition explosion according to claim 1~5, feature
Be: the flexible cushion (1.2) is the flexible member that waste tire is spliced.
7. described in any item pin-connected panel flyrock protection devices for cofferdam demolition explosion according to claim 1~5, feature
Be: the elastic protective layer (1.3) is the elastic component that the bamboo chip in a row arranged in column is spliced.
8. described in any item pin-connected panel flyrock protection devices for cofferdam demolition explosion according to claim 1~5, feature
Be: the flexible cushion (1.2) is fixedly connected by way of bonding with rigid backbone (1.1).
9. described in any item pin-connected panel flyrock protection devices for cofferdam demolition explosion according to claim 1~5, feature
Be: the elastic protective layer (1.3) is fixedly connected by bolt assembly with rigid backbone (1.1).
10. a kind of application method of the pin-connected panel flyrock protection device for cofferdam demolition explosion, it is characterised in that: including as follows
Step:
1) it is laid with a protective unit (1) on the outside of cofferdam (10) demolition blasting area water inlet (7) to be protected, by the protection list
The idler wheel (5) of first (1) is set from the top down in the sliding rail (6) into another laterally adjacent protective unit (1), is successively laterally connected
It is in a row to connect shape；
2) when being laid with second row protective unit, upper row longitudinal direction phase that the kelly (2) of the protective unit (1) of lower row is caught in
In the card hole (3) of another adjacent protective unit (1), it is successively vertically connected to form a column；
3) circulation step 1) and step 2) continue to be laid with, until covering the protection face of entire water inlet (7), form whole protection
Device；
4) bound hawser (8) in the rigid backbone (1.1) of the protective unit (1) of the top layer of each column, and with side slope top
Cable machine (9) on platform is connected；
5) after cofferdam (10) demolition blasting, protective unit (1) is pulled to by column by side slope upper brace using cable machine (9), is completed
The dismounting of protective device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910212942.9A CN109827485B (en) | 2019-03-20 | 2019-03-20 | Assembled flyrock protection device for cofferdam demolition blasting and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910212942.9A CN109827485B (en) | 2019-03-20 | 2019-03-20 | Assembled flyrock protection device for cofferdam demolition blasting and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109827485A true CN109827485A (en) | 2019-05-31 |
| CN109827485B CN109827485B (en) | 2024-04-05 |
Family
ID=66870463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910212942.9A Active CN109827485B (en) | 2019-03-20 | 2019-03-20 | Assembled flyrock protection device for cofferdam demolition blasting and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109827485B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111139848A (en) * | 2020-01-02 | 2020-05-12 | 中铁二局第五工程有限公司 | Steel cofferdam and assembling method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236405A (en) * | 2014-08-25 | 2014-12-24 | 叶建军 | Building dismounting blasting flexible protection system |
| CN106440986A (en) * | 2016-12-08 | 2017-02-22 | 武汉爆破有限公司 | Safety protection device for supporting beam blasting and dismantling and using method thereof |
| CN107607010A (en) * | 2017-11-08 | 2018-01-19 | 山东科技大学 | A kind of tunnel blasting leaky wave resistance stone device and its application method |
| CN208620917U (en) * | 2018-06-15 | 2019-03-19 | 武汉科技大学 | A kind of protective device of building column demolition blasting |
| CN209877798U (en) * | 2019-03-20 | 2019-12-31 | 湖北省水利水电规划勘测设计院 | A pin-connected panel flyrock protector for cofferdam demolishs blasting |
-
2019
- 2019-03-20 CN CN201910212942.9A patent/CN109827485B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236405A (en) * | 2014-08-25 | 2014-12-24 | 叶建军 | Building dismounting blasting flexible protection system |
| CN106440986A (en) * | 2016-12-08 | 2017-02-22 | 武汉爆破有限公司 | Safety protection device for supporting beam blasting and dismantling and using method thereof |
| CN107607010A (en) * | 2017-11-08 | 2018-01-19 | 山东科技大学 | A kind of tunnel blasting leaky wave resistance stone device and its application method |
| CN208620917U (en) * | 2018-06-15 | 2019-03-19 | 武汉科技大学 | A kind of protective device of building column demolition blasting |
| CN209877798U (en) * | 2019-03-20 | 2019-12-31 | 湖北省水利水电规划勘测设计院 | A pin-connected panel flyrock protector for cofferdam demolishs blasting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111139848A (en) * | 2020-01-02 | 2020-05-12 | 中铁二局第五工程有限公司 | Steel cofferdam and assembling method thereof |
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| Publication number | Publication date |
|---|---|
| CN109827485B (en) | 2024-04-05 |
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