CN107830775B - Pre-deicing device for blasting engineering - Google Patents
Pre-deicing device for blasting engineering Download PDFInfo
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- CN107830775B CN107830775B CN201711009506.9A CN201711009506A CN107830775B CN 107830775 B CN107830775 B CN 107830775B CN 201711009506 A CN201711009506 A CN 201711009506A CN 107830775 B CN107830775 B CN 107830775B
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- basket
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D99/00—Subject matter not provided for in other groups in this subclass
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention provides a pre-deicing device for blasting engineering, which comprises a first plug bush, a second lug plate, a positioning bolt, a brace, a supporting and positioning rod, a supporting seat, a positioning seat, a plugboard, a positioning rotating shaft, a revolute pair, a ground grabbing anchor, a spray gun, a fire baffle and an air duct, wherein the brace is connected with two fixed lantern rings arranged at the front end and the rear end of a gas tank basket; the spray guns are arranged at all positions and are axially arranged at all positions to form a group of three groups of uniform arrays on the bottoms of the base plate and the vertical bending support. The support positioning rod is arranged, the support positioning rod can freely rotate, the ground grabbing anchor at the bottom of the support positioning rod is clamped and supported on the slope, the support positioning rod is in an inclined support state, and can form a triangular stable structure with the device body and an inclined ice surface or slope, so that the device body is more stably supported on the inclined surface, and the device body can be widely applied to deicing operation on horizontal ground and also deicing operation on the inclined ice surface or slope.
Description
Technical Field
The invention belongs to the technical field of blasting engineering matched equipment, and particularly relates to a pre-deicing device for blasting engineering.
Background
Blasting is a scientific technology, is widely applied, but is definitely the most important and common application in engineering, mining mountain, repairing railway and highway to excavate tunnels by using a drilling and blasting method, and is also used in hydraulic engineering, cities and demolishs buildings. The great energy produced by explosion of explosive is used to destroy the original structure of some object, and this "destruction" effect is not replaced by other method.
Based on the above, the present inventors have found that the existing pre-deicing apparatus has the following problems in use:
the structure is comparatively complicated and is inconvenient to transfer and transport on the blasting face of slope, and supports stable effect relatively poor, when carrying out deicing operation on the broken face of slope, easily takes place to sideslip and roll, deicing operation that is applicable to the blasting face of slope that can not be fine.
Accordingly, the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a deicer for blasting engineering, which is more practical.
Disclosure of Invention
In order to solve the technical problems, the invention provides a pre-deicing device for blasting engineering, which aims to solve the problems that the existing structure is complex, the transfer and the transportation on an inclined blasting surface are inconvenient, and the supporting and stabilizing effects are poor.
The invention discloses a purpose and an effect of a pre-deicing device for blasting engineering, which are achieved by the following specific technical means:
the utility model provides a deicing device in advance for blasting engineering, includes the base plate, the support of bending perpendicularly, gas pitcher, jack bolt, arc clamp plate, gas pitcher basket, horizontal plug-in baffle, second plug bush, first otic placode, first plug bush, second otic placode, locating bolt, braces, support locating lever, supporting seat, locating seat, picture peg, location pivot, revolute pair, grab ground anchor, spray gun, flame retardant coating and air duct, the left and right sides of base plate welds the symmetry and supports five vertical supports of bending perpendicularly, and five vertical support plates of five vertical supports of bending perpendicularly are in the same place through a connection diaphragm support; the bottoms of the five vertical bending brackets are vertically bent outwards and protruded with a rectangular transverse plate, and the bottoms of the five rectangular transverse plates are welded and supported with ground anchors; the top ends of the two vertical bending brackets at the leftmost side, which are symmetrical with each other, are sequentially supported with a supporting seat and a positioning seat from inside to outside; the air tank basket is formed by combining four fixed lantern rings with connecting side plates welded and fixed on the left side and the right side of the air tank basket, three supporting plates are welded downwards and vertically on the connecting side plates on the two sides of the air tank basket, and the air tank basket is supported at the top end of the base plate through the three supporting plates which are symmetrical left and right; the circumferential side wall of the bottom of the air tank basket is fixedly connected with the base plate in a welding way, and the air tank basket is symmetrically arranged at two positions left and right, and the two air tank baskets are fixedly hung together through the connection of two connecting transverse plates; the gas tanks are provided with two parts, and are respectively arranged in the two gas tank baskets; the air duct is connected and arranged between the spray gun and the two air tanks, and air in the two air tanks is conveyed to the interior of each spray gun after being mixed by the air duct; the two sides of the fixing lantern ring at the tail end of the air pot basket are respectively welded and supported with a first plug bush and a second plug bush, and one end of the second plug bush is arranged in a sealing way; the tail ends of the connecting plates at the outer sides of the two air pot baskets are respectively welded with a first lug plate in a supporting way, and the first lug plates are positioned at the left side of the first plug bush; a second lug plate is arranged on the top end surface of the transverse insertion baffle plate in a supporting manner corresponding to the first lug plate, threaded holes are formed in the centers of the first lug plate and the second lug plate in a penetrating manner, and the positioning bolts are locked in the threaded holes at the two positions by threads, so that the baffle plate is positioned in the first plug bush and the second plug bush; the tail end of the supporting and positioning rod is welded and supported with a ground grabbing anchor, and a plurality of ground grabbing needles are arranged on the outer wall of the circumference of the ground grabbing anchor in a semicircular array; the braces are connected with two fixed lantern rings arranged at the front end and the rear end of the air pot basket; the left end and the right end of the positioning rotating shaft are respectively fixed with a limit baffle and a fixed seat, the outer side wall of the fixed seat is welded with a revolute pair, and the supporting and positioning rod is welded and supported on the central rotating shaft of the revolute pair; the spray guns are arranged at all positions and are axially arranged at all positions to form a group of three groups of uniform arrays on the bottoms of the base plate and the vertical bending support.
Further, the inner sides of the two groups of the vertical bending brackets which are bilaterally symmetrical are supported and fixed with a fire baffle plate, and the fire baffle plate extends vertically downwards and is positioned on the same horizontal plane with the circle center of the ground anchor at the bottom of the vertical bending bracket.
Further, the jack bolts are provided with two portions which are threaded through the connecting side plate on the right side of the air tank basket and extend into the air tank basket, and the tail ends of the two portions of jack bolts are connected with an arc-shaped pressing plate through the rotating seat in a rotating mode.
Further, a through hole is formed in the supporting seat in a penetrating mode, the positioning rotating shaft is inserted into the through hole in a rotating mode, and the positioning rotating shaft is positioned in the through hole through the limiting baffles on the left side and the right side of the positioning rotating shaft and the fixing seat.
Further, a rectangular slot is formed in the positioning seat, a rectangular jack is formed in the side wall of the top end of the rectangular slot in a penetrating mode, a rectangular jack is correspondingly formed in the side wall of the other end of the rectangular slot, the inserting plate is sequentially inserted into the two rectangular jacks in a sliding mode, and then the supporting positioning rod is limited in the rectangular slot in the positioning seat.
Compared with the prior art, the invention has the following beneficial effects:
1. the setting of flame baffle, meet low temperature cold air and can take place quick cooling under the long-time high temperature roast on the support of bending perpendicularly, lead to the inside inhomogeneous internal stress that causes of support of bending perpendicularly because expend with heat and contract with cold, the support of bending perpendicularly probably takes place to warp or fracture, when grab ground anchor inserts and inlays on the slope and support the top on the ice face with whole device body through the support of bending perpendicularly, the flame baffle is hugged closely on the ice face almost, it can stop the flame and prevent that flame from spreading to the emergence of the above-mentioned condition on the support of bending perpendicularly.
2. The setting of arc clamp plate, the screw thread top of jack bolt pushes up down arc clamp plate can compress tightly the inside gas pitcher of gas pitcher basket on the lateral wall of gas pitcher basket, avoid the gas pitcher to take place to rock about the in-process of transportation and collide and bump the damage on the gas pitcher basket, horizontal inertial impact force about the gas pitcher can produce simultaneously, when the personnel of working as a result shift the location on the slope through the braces back up device body, inertial impact force can lead to the focus of operating personnel unstable can take place to slide down the gas pitcher and cause hidden danger to operating personnel's personal safety, the arc clamp plate will compress tightly the production that can avoid inertial impact force on the lateral wall of gas pitcher basket, the manpower of the device body on slope or ice face shifts of being convenient for.
3. The setting of supporting and positioning rod, the ground anchor of grabbing that supports the positioning rod but free rotation and make its bottom is grasped and is supported on the slope, supports the supporting state for the slope of positioning rod this moment, can constitute triangle-shaped stable structure with device body and slope ice surface or slope, and then the device body more stable supports on the inclined plane, makes the device body use extensively not only can carry out deicing operation on level ground but also can carry out deicing operation on slope ice surface or slope.
4. The setting of positioning seat has seted up a rectangle slot on the positioning seat, and run through on the top lateral wall of this rectangle slot and seted up a rectangle jack, also correspond on the lateral wall of rectangle slot other end and set up a rectangle jack, the picture peg slides in proper order and inserts in the inside of last two rectangle jacks, and then will support the locating lever and limit in the inside of rectangle slot on the positioning seat, support the locating lever and can block the inside that is limited in the rectangle slot through the picture peg through revolute pair free level rotation when idle, support the locating lever and bend support and base plate perpendicularly and keep the level this moment, only occupy horizontal space, can not incline sagging, avoid the transportation of backing up to shift the device body and cause the obstacle.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic representation of the three-dimensional structure of the present invention;
FIG. 3 is a schematic view showing the structure of the support positioning rod in an inclined state according to the present invention;
FIG. 4 is a schematic view of the bottom view of the present invention;
FIG. 5 is a schematic diagram of the front view of the present invention;
FIG. 6 is a schematic three-dimensional view of a gas canister basket of the present invention;
FIG. 8 is a schematic view of a support base according to the present invention;
FIG. 7 is a schematic view of the internal structure of the air pot basket of the present invention;
FIG. 9 is a schematic view of the structure of the support positioning rod of the present invention;
FIG. 10 is a schematic view of the three-dimensional structure of the arcuate platen of the present invention.
In the figure, a plate 1-vertical bending bracket, a 2-gas tank, a 4-tightening bolt, a 401-arc-shaped pressing plate, a 5-gas tank basket, a 501-transverse insertion baffle, a 502-second insertion sleeve, a 503-first lug plate, a 501-first insertion sleeve, a 505-second lug plate, a 506-positioning bolt, a 6-brace, a 7-supporting positioning rod, a 701-supporting seat, a 702-positioning seat, a 703-inserting plate, a 704-positioning rotating shaft, a 705-revolute pair, an 8-ground grabbing anchor, a 9-spray gun, a 10-fire baffle and an 11-air duct are arranged.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
examples:
as shown in fig. 1 to 10:
the invention provides a pre-deicing device for blasting engineering, which comprises a base plate 1, a vertical bending bracket 2, a gas tank 3, a jacking bolt 4, an arc-shaped pressing plate 401, a gas tank basket 5, a transverse insertion baffle 501, a second insertion sleeve 502, a first lug 503, a first insertion sleeve 504, a second lug 505, a positioning bolt 506, a brace 6, a supporting positioning rod 7, a supporting seat 701, a positioning seat 702, a plugboard 703, a positioning rotating shaft 704, a revolute pair 705, a ground grabbing anchor 8, a spray gun 9, a fire baffle 10 and a gas guide pipe 11, wherein five vertical bending brackets 2 are symmetrically supported at the left end and the right end of the base plate 1 in a welding mode, and the five vertical supporting plates of the five vertical bending brackets 2 are connected together through one connecting transverse plate support; the bottoms of the five vertical bending brackets 2 are vertically bent outwards and protruded with a rectangular transverse plate, and the bottoms of the five rectangular transverse plates are welded and supported with ground anchors 8; the top ends of the two vertical bending brackets 2 which are symmetrical at the leftmost side are respectively provided with a supporting seat 701 and a positioning seat 702 from inside to outside in sequence; the air tank basket 5 is formed by combining four fixing lantern rings with connecting side plates welded and fixed on the left side and the right side of the air tank basket 5, three supporting plates are welded downwards and vertically on the connecting side plates on the two sides of the air tank basket 5, and the air tank basket 5 is supported at the top end of the base plate 1 through the three supporting plates which are symmetrical left and right; the circumferential side wall of the bottom of the air tank basket 5 is fixedly connected with the base plate 1 in a welding way, two air tank baskets 5 are symmetrically arranged left and right, and the two air tank baskets 5 are fixedly hung together through two connecting transverse plates; the gas tank 3 is provided with two parts, and the two parts are respectively arranged in the two gas tank baskets 5; the air duct 11 is connected and arranged between the spray gun 9 and the two air tanks 3, and air in the two air tanks 3 is conveyed to the inside of each spray gun 9 after being mixed by the air duct 11; the two sides of the fixing collar at the extreme end of the air pot basket 5 are respectively welded and supported with a first plug bush 504 and a second plug bush 502, and one end of the second plug bush 502 is arranged in a sealing way; the tail ends of the connecting plates at the outer sides of the two air pot baskets 5 are respectively welded with a first lug plate 503 in a supporting way, and the first lug plates 503 are positioned at the left side of the first plug bush 504; a second ear plate 505 is supported on the top end surface of the horizontal inserted baffle 501 corresponding to the first ear plate 503, and threaded holes are formed in the centers of the first ear plate 503 and the second ear plate 505, so that the positioning bolt 506 is screwed into the threaded holes at the two positions, and the baffle 501 is positioned in the first plug bush 504 and the second plug bush 502; the tail end of the supporting and positioning rod 7 is also welded and supported with a ground grabbing anchor 8, and a plurality of ground grabbing needles are arranged on the outer wall of the circumference of the ground grabbing anchor 8 in a semicircular ring array; the braces 6 are connected with two fixed lantern rings arranged at the front end and the rear end of the air pot basket 5; a limit baffle and a fixed seat are respectively fixed at the left end and the right end of the positioning rotating shaft 704, a revolute pair 705 is welded on the outer side wall of the fixed seat, and a supporting and positioning rod 7 is welded and supported on the central rotating shaft of the revolute pair 705; the spray gun 9 is provided with 12 parts in total, and is axially arranged around to form a group of three groups which are uniformly arranged at the bottoms of the base plate 1 and the vertical bending bracket 2.
Wherein, two sets of bilateral symmetry the inboard of support 2 of bending perpendicularly all supports and is fixed with a flame baffle 10, and flame baffle 10 vertical downward extension and with the centre of a circle of the ground anchor 8 of support 2 bottom of bending perpendicularly be in same horizontal plane, meet low temperature cold air and can take place to cool down fast under long-time high temperature roast on the support 2 of bending perpendicularly, lead to the inside internal stress that causes of support 2 of bending perpendicularly owing to expend with heat and contract with cold unevenly, the support 2 of bending perpendicularly probably takes place to warp or fracture, when grab ground anchor 8 inserts on the slope and support the top of whole device body on the ice through support 2 of bending perpendicularly, flame baffle 10 is almost hugged closely on the ice, it can stop the flame to prevent that the flame from spreading to the emergence of the effectual above-mentioned condition on the support 2 of bending perpendicularly.
Wherein, the jack bolt 4 is provided with two all screw threads and runs through the connection curb plate on the right side through gas pitcher basket 5 and extend and arrange in the inside of gas pitcher basket 5 in, and the terminal of two jack bolts 4 all rotates through the roating seat and is connected with an arc clamp plate 401, the screw thread jack of jack bolt 4 pushes up down arc clamp plate 401 down the inside gas pitcher 3 of gas pitcher basket 5 and compresses tightly on the lateral wall of gas pitcher basket 5, avoid gas pitcher 3 to take place to rock about the in-process of transportation and bump on gas pitcher basket 5 and damage, lateral inertial impact force about the gas pitcher 3 of rocking about can producing simultaneously, when the personnel is carried on the back the device body through braces 6 shifts the location on the slope, inertial impact force can lead to the focus of operation personnel unstable can take place to side slipping and cause hidden danger to the personnel safety of operation personnel, arc clamp plate 401 compresses tightly 3 on the lateral wall of gas pitcher basket 5 can avoid inertial impact force's production, the manpower transfer on slope or ice face of device body of being convenient for.
Wherein, a through hole is provided on the supporting seat 701, and the positioning rotating shaft 704 rotates and inserts in the through hole, and the limiting baffle and the fixing seat on the left and right sides of the positioning rotating shaft are positioned in the through hole, and the positioning rod 7 can rotate freely and the ground grabbing anchor 8 at the bottom of the positioning rod is gripped and supported on the slope through the positioning rotating shaft 704, at this time, the positioning rod 7 is in an inclined supporting state, and can form a triangle stable structure with the device body and the inclined ice surface or slope, so that the device body is more stably supported on the inclined surface, and the device body can be widely used for deicing operation on the horizontal ground and also on the inclined ice surface or slope.
Wherein, a rectangular slot is provided on the positioning seat 702, and a rectangular jack is provided on the top side wall of the rectangular slot, a rectangular jack is provided on the side wall of the other end of the rectangular slot, the plugboard 703 is inserted into the two rectangular jacks in sequence in a sliding manner, and further the supporting and positioning rod 7 is limited in the rectangular slot on the positioning seat 702, the supporting and positioning rod 7 can be freely and horizontally rotated in the rectangular slot through the revolute pair 705 and is blocked and limited in the rectangular slot through the plugboard 703 when in idle, and at this time, the supporting and positioning rod 7, the vertical bending bracket 2 and the substrate 1 are kept horizontal, only occupies a transverse space, and cannot be inclined and sagged, thereby avoiding the obstacle caused by the transportation and transfer of the device body.
Specific use and action of the embodiment:
in the process of using the device, firstly, the device body is backed up and transferred to a slope to be perforated and blasted, then the device body is positioned and supported at the top end of a perforation position on the slope through the ground grabbing anchor 8 at the bottom of the vertical bending support 2, the perforation position is covered by an ice layer, then the supporting and positioning rod 7 is rotated to enable the device body to be obliquely supported at one side of the device body as shown in fig. 3, further the device body is stably supported on the slope, positioning and installation of the device body are completed, then ignition operation is carried out, the inside of the two gas tanks 3 are respectively compressed and stored with oxygen and acetylene, firstly, the ventilation valve on the gas guide pipe 11 is unscrewed, the mixed gas is guided into the inside of the spray gun 9 through the gas guide pipe 11, at the moment, all the spray guns 9 are sequentially ignited by the igniter, the ice surface at the perforation position is melted, when the gas tank 3 is required to be replaced, the positioning bolts 506 are firstly loosened, then the transverse plug baffle 501 is pulled out from the inside of the first plug bush 504 and the second plug bush 502, and the gas tank 3 inside the gas tank 5 can be taken out and replaced.
By utilizing the technical scheme of the invention or under the inspired by the technical scheme of the invention, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical scheme falls into the protection scope of the invention.
Claims (5)
1. A pre-deicing device for blasting engineering, characterized in that: the pre-deicing device for blasting engineering comprises a substrate, a vertical bending bracket, a gas tank, a jacking bolt, an arc-shaped pressing plate, a gas tank basket, a transverse insertion baffle, a second insertion sleeve, a first lug plate, a first insertion sleeve, a second lug plate, a positioning bolt, a brace, a supporting positioning rod, a supporting seat, a positioning seat, a plugboard, a positioning rotating shaft, a revolute pair, a ground grabbing anchor, a spray gun, a fire baffle and a gas guide pipe, wherein five vertical bending brackets are symmetrically supported at the left end and the right end of the substrate in a welding mode, and the five vertical supporting plates of the five vertical bending brackets are connected together through one connecting transverse plate; the bottoms of the five vertical bending brackets are vertically bent outwards and protruded with a rectangular transverse plate, and the bottoms of the five rectangular transverse plates are welded and supported with ground anchors; the top ends of the two vertical bending brackets at the leftmost side, which are symmetrical with each other, are sequentially supported with a supporting seat and a positioning seat from inside to outside; the air tank basket is formed by combining four fixed lantern rings with connecting side plates welded and fixed on the left side and the right side of the air tank basket, three supporting plates are welded downwards and vertically on the connecting side plates on the two sides of the air tank basket, and the air tank basket is supported at the top end of the base plate through the three supporting plates which are symmetrical left and right; the circumferential side wall of the bottom of the air tank basket is fixedly connected with the base plate in a welding way, and the air tank basket is symmetrically arranged at two positions left and right, and the two air tank baskets are fixedly hung together through the connection of two connecting transverse plates; the gas tanks are provided with two parts, and are respectively arranged in the two gas tank baskets; the air duct is connected and arranged between the spray gun and the two air tanks, and air in the two air tanks is conveyed to the interior of each spray gun after being mixed by the air duct; the two sides of the fixing lantern ring at the tail end of the air pot basket are respectively welded and supported with a first plug bush and a second plug bush, and one end of the second plug bush is arranged in a sealing way; the tail ends of the connecting plates at the outer sides of the two air pot baskets are respectively welded with a first lug plate in a supporting way, and the first lug plates are positioned at the left side of the first plug bush; a second lug plate is arranged on the top end surface of the transverse insertion baffle plate in a supporting manner corresponding to the first lug plate, threaded holes are formed in the centers of the first lug plate and the second lug plate in a penetrating manner, and the positioning bolts are locked in the threaded holes at the two positions by threads, so that the baffle plate is positioned in the first plug bush and the second plug bush; the tail end of the supporting and positioning rod is welded and supported with a ground grabbing anchor, and a plurality of ground grabbing needles are arranged on the outer wall of the circumference of the ground grabbing anchor in a semicircular array; the braces are connected with two fixed lantern rings arranged at the front end and the rear end of the air pot basket; the left end and the right end of the positioning rotating shaft are respectively fixed with a limiting baffle and a fixed seat, the outer side wall of the fixed seat is welded with a revolute pair, and the supporting positioning rod is welded and supported on the central rotating shaft of the revolute pair.
2. Pre-deicer apparatus for blasting engineering according to claim 1, wherein: the inner sides of the two groups of the vertical bending brackets which are bilaterally symmetrical are supported and fixed with a fire baffle plate, and the fire baffle plate extends vertically downwards and is positioned on the same horizontal plane with the circle center of the ground anchor at the bottom of the vertical bending 1 bracket; the spray guns are arranged at all positions and are axially arranged at all positions to form a group of three groups of uniform arrays on the bottoms of the base plate and the vertical bending support.
3. Pre-deicer apparatus for blasting engineering according to claim 1, wherein: the jack bolts are provided with two portions which are threaded through the connecting side plate on the right side of the air tank basket and extend into the air tank basket, and the tail ends of the two portions of jack bolts are connected with an arc-shaped pressing plate through the rotating seat in a rotating mode.
4. Pre-deicer apparatus for blasting engineering according to claim 1, wherein: the support seat is provided with a through hole in a penetrating mode, the positioning rotating shaft is inserted into the through hole in a rotating mode, and the positioning rotating shaft is positioned in the through hole through the limiting baffles on the left side and the right side of the positioning rotating shaft and the fixing seat.
5. Pre-deicer apparatus for blasting engineering according to claim 1, wherein: a rectangular slot is formed in the positioning seat, a rectangular jack is formed in the side wall of the top end of the rectangular slot in a penetrating mode, a rectangular jack is correspondingly formed in the side wall of the other end of the rectangular slot, the inserting plate is sequentially inserted into the two rectangular jacks in a sliding mode, and then the supporting positioning rod is limited in the rectangular slot on the positioning seat.
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201934011U (en) * | 2010-12-27 | 2011-08-17 | 滨州职业学院 | Ice breaking instrument for ice blasting |
CN207703096U (en) * | 2017-10-25 | 2018-08-07 | 贵州大学 | A kind of advance deicer for blasting engineering |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN102216804B (en) * | 2008-09-23 | 2013-12-04 | 涅磐公司 | Deicing system in sodar systems |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201934011U (en) * | 2010-12-27 | 2011-08-17 | 滨州职业学院 | Ice breaking instrument for ice blasting |
CN207703096U (en) * | 2017-10-25 | 2018-08-07 | 贵州大学 | A kind of advance deicer for blasting engineering |
Non-Patent Citations (1)
Title |
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隋吉学.作用于斜坡结构物上海冰荷载的二维计算.海洋环境科学.1996,(第02期),70-73. * |
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