CN216049478U

CN216049478U - Dry ice blasting device

Info

Publication number: CN216049478U
Application number: CN202122572951.4U
Authority: CN
Inventors: 韩放; 陈磊; 何辉富; 龚欢; 李如
Original assignee: Zhejiang East China Engineering Consulting Co Ltd
Current assignee: Zhejiang East China Engineering Consulting Co Ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-15
Anticipated expiration: 2031-10-25

Abstract

The application relates to a dry ice blasting device, which relates to the technical field of dry ice blasting and comprises a gun barrel for storing carbon dioxide, wherein an activator for heating the carbon dioxide is arranged on the gun barrel, an alloy cap for sealing is connected to the activator in a threaded manner, a limiting device for limiting the alloy cap is arranged on the gun barrel, and the limiting device comprises two fixing blocks which are respectively arranged on the activator and the alloy cap; the limiting ring is sleeved on the two fixing blocks; and the blocking assembly is arranged on the gun barrel and is used for limiting the position of the limiting ring. This application is through with two fixed blocks fixed connection respectively on activator and alloy cap, when the alloy cap was covered, overlaps the spacing ring cover on two fixed blocks to lock the spacing ring position through blockking the subassembly, thereby reduced alloy cap and activator and be connected not hard up and make the probability that carbon dioxide leaked, improved the blasting effect.

Description

Dry ice blasting device

Technical Field

The application relates to the technical field of dry ice blasting, in particular to a dry ice blasting device.

Background

The dry ice blasting device for engineering construction is mainly carbon dioxide blasting, gas blasting is safer than explosives, does not belong to civil blasting products, does not need examination and approval in transportation, storage and use, does not need complex procedures for examination and approval of explosives and strict supervision of public security departments, does not have destructive vibration and short waves in the blasting process, reduces the dust raising proportion, has little influence on the surrounding environment, and is widely applied to the fields of coal mining, building demolition, blasting excavation under special conditions and the like.

In the related technology, as carbon dioxide gas can be converted into liquid under certain high pressure, the liquid carbon dioxide is compressed into a cylindrical container through a high-pressure pump, a safety film, a rupture sheet, a heat conducting rod and a sealing ring are arranged in the cylindrical container, the preparation work before blasting is finished by screwing an alloy cap, when micro-current passes through the heat conducting rod, high temperature is generated to puncture the safety film, solid carbon dioxide is gasified instantly, high-pressure shock waves are generated by sharp expansion to automatically open a pressure release valve, and when the solid carbon dioxide absorbs heat and is gasified, high pressure is generated by volume sharp expansion to crack a rock body.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the process of transporting and storing the container, the alloy cap on the container is easy to loosen, thereby causing the leakage of carbon dioxide and reducing the blasting effect.

SUMMERY OF THE UTILITY MODEL

In order to maintain the blasting effect, the application provides a dry ice blasting device.

The application provides a dry ice blasting device adopts following technical scheme:

a dry ice blasting device comprises a gun barrel for storing carbon dioxide, wherein an activator for heating the carbon dioxide is arranged on the gun barrel, an alloy cap for sealing is connected to the activator in a threaded manner, a limiting device for limiting the alloy cap is arranged on the gun barrel, and the limiting device comprises a limiting rod and a limiting rod;

the two fixing blocks are respectively arranged on the activator and the alloy cap;

the limiting ring is sleeved on the two fixing blocks;

and the blocking assembly is arranged on the gun barrel and is used for limiting the position of the limiting ring.

Through adopting above-mentioned technical scheme, with two fixed blocks fixed connection respectively on activator and alloy cap, when the alloy cap was covered, establish the spacing ring cover on two fixed blocks to lock the spacing ring position through blockking the subassembly, thereby reduced alloy cap and activator and be connected not hard up and make the probability of carbon dioxide leakage, kept the blasting effect of carbon dioxide in the barrel.

Optionally, the blocking component comprises;

the blocking spring is arranged on the fixed block;

the stop block slides and sets up on the fixed block and with block spring coupling, the stop block is contradicted with the spacing ring lateral wall under the spring effect that blocks.

Through adopting above-mentioned technical scheme, the compression stops that the spring drives and stops in the piece slides in the fixed block, then installs the spacing ring, and after the spacing ring installation was accomplished, unclamp and stop the spring, stop the piece and contradict with the spacing ring lateral wall under stopping the spring effect to accomplish spacing to the spacing ring position.

Optionally, a CO2 detection alarm instrument is detachably connected to the activator through a connecting assembly, and the CO2 detection alarm instrument is used for detecting leaked carbon dioxide.

Through adopting above-mentioned technical scheme, when carbon dioxide leaked on the activator, CO2 detected the alarm appearance and detected the carbon dioxide who leaks, then sent the police dispatch newspaper sound and reminded the staff to seal the activator to carbon dioxide leakage's probability has been reduced.

Optionally, the connection assembly comprises;

the connecting block is arranged on the activator, and a sliding hole is formed in the connecting block;

the sliding block is mounted on the sliding hole in a sliding mode and is connected with the CO2 detection alarm instrument;

and the positioning assembly is arranged on the connecting block and is used for positioning the position of the sliding block.

Through adopting above-mentioned technical scheme, the slider moves into and drives CO2 detection alarm appearance and slide on the connecting block in the hole that slides, and locating component locks the slider position to realize CO2 detection alarm appearance and the dismantlement of activator and be connected

Optionally, the positioning assembly comprises;

the positioning spring is arranged on the positioning hole;

the connecting block is provided with two steel balls, and the two steel balls are arranged at two ends of the positioning spring and are in clamping fit with the insertion holes under the action of the positioning spring.

By adopting the technical scheme, the positioning spring is compressed to drive the two steel balls to slide into the positioning hole, and the sliding block slides into the sliding hole until the two steel balls are popped out of the positioning hole under the action of the positioning spring and are in clamping fit with the insertion hole, so that the positioning of the position of the sliding block is completed.

Optionally, a protection mechanism for protecting the gun barrel is arranged on the gun barrel, and the protection mechanism comprises;

the protective sleeve is arranged on the gun barrel, and one end of the protective sleeve is in an open state;

the sealing cover is detachably connected to the protective sleeve through the fixing assembly and used for shielding the opening of the protective sleeve.

Through adopting above-mentioned technical scheme, the lag cover is established on the barrel, and the lag opening part uses sealed lid to seal, and the lag has strengthened the ability dampproofing, crashproof to the barrel with sealed lid cooperation to the probability of barrel rust ization and collision damage has been reduced.

Optionally, the fixing assembly comprises;

the fixing ring is arranged on the protective sleeve;

the threaded ring is arranged on the sealing cover and is in threaded connection with the fixing ring.

Through adopting above-mentioned technical scheme, twist sealed lid and make screw ring threaded connection on solid fixed ring to realize sealed lid and the dismantling of lag and be connected.

Optionally, an anti-collision pad is arranged between the protective sleeve and the gun barrel.

Through adopting above-mentioned technical scheme, when the lag received the striking, the anticollision was filled up and is kick-backed through self elasticity after receiving the extrusion to protect the barrel body, reduced the probability of barrel damage.

Optionally, a pressure relief device is arranged on the gun barrel.

Through adopting above-mentioned technical scheme, when leading to pressure increase because carbon dioxide gasification in the barrel, the pressure release ware carries out the pressure release to barrel internal gas pressure to reduce the probability of barrel spontaneous explosion, improved the security of barrel.

Optionally, the blocking block is provided with a chamfer.

Through adopting above-mentioned technical scheme, when solid fixed ring cover was established on the fixed block, solid fixed ring directly will block the piece and impress in the fixed block through the chamfer to need not the manual work and extrude the spring, simplified solid fixed ring cover work flow of establishing, improved work efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two fixing blocks are respectively and fixedly connected to the activator and the alloy cap, when the alloy cap is covered, the limiting ring is sleeved on the two fixing blocks, and the position of the limiting ring is locked through the blocking assembly, so that the probability of carbon dioxide leakage caused by loose connection of the alloy cap and the activator is reduced, and the blasting effect is improved;

2. the stop spring is compressed to drive the stop block to slide into the fixed block, then the limit ring is installed, after the limit ring is installed, the stop spring is loosened, and the stop block is abutted against the outer side wall of the limit ring under the action of the stop spring, so that the limit of the position of the limit ring is completed;

3. the gun barrel is sleeved with the protective sleeve, the opening of the protective sleeve is sealed by the sealing cover, and the protective sleeve and the sealing cover are matched to strengthen the damp-proof and anti-collision capacity of the gun barrel, so that the rust and collision damage probability of the gun barrel is reduced.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;

FIG. 3 is an enlarged schematic view of section B of FIG. 2;

FIG. 4 is a schematic view of the construction of the restraint and attachment assembly of the present application with the protective sleeve and crash pad side walls shown in cross-section;

FIG. 5 is a schematic structural view of a connection assembly of the present application;

fig. 6 is a schematic view of the construction of the coupling assembly of the present application, wherein the slider and positioning assembly have been exploded.

Reference numerals: 1. a gun barrel; 11. an activator; 12. a pressure relief device; 13. an alloy cap; 14. a CO2 detection alarm; 2. a limiting device; 21. a fixed block; 22. a limiting ring; 23. a blocking component; 24. a blocking spring; 25. a blocking block; 26. chamfering; 3. a connecting assembly; 31. connecting blocks; 32. a slider; 33. a positioning assembly; 34. a positioning spring; 35. steel balls; 36. positioning holes; 37. a sliding hole; 38. inserting holes; 4. a protection mechanism; 41. a protective sleeve; 42. a sealing cover; 5. a fixing assembly; 51. a fixing ring; 52. a threaded ring; 53. an anti-collision cushion.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a dry ice blasting device. In the embodiment, the CO2 detection alarm is a CO2 detection alarm of F-TA600 model.

Referring to fig. 1 and 2, the dry ice blasting device includes barrel 1 that is used for storing carbon dioxide, barrel 1 is cylindricly and barrel 1 both ends all communicates with inside, 1 one end fixed seal of barrel is connected with activator 11 that is used for heating carbon dioxide, the one end fixed seal who keeps away from activator 11 on barrel 1 is connected with the pressure release 12 that is used for stabilizing barrel 1 internal gas pressure, one of pressure release 12 is served to threaded connection and is used for sealed activator 11 to activator 11 is kept away from to activator 11, be provided with stop device 2 that carries out spacing to alloy cap 13 on barrel 1.

Referring to fig. 2 and 3, two limiting devices 2 are arranged in a circumferential array around the axis of the gun barrel 1, each limiting device 2 comprises two fixing blocks 21, a limiting ring 22 and a blocking assembly 23, the two fixing blocks 21 are respectively and fixedly connected to the outer side walls of the activator 11 and the alloy cap 13, and the limiting rings 22 are sleeved on the two fixing blocks 21.

Referring to fig. 2 and 3, two blocking assemblies 23 are provided and respectively located on the two fixing blocks 21, and the blocking assemblies 23 are provided on the fixing blocks 21 and are used for limiting the limiting rings 22. Stop subassembly 23 including stopping spring 24 and stopping block 25, two fixed block 21 back of the body both sides wall on the back have all seted up the extrusion groove, stop block 25 and slide and install on the extrusion groove, stop 24 one end fixed connection of spring on the diapire in the extrusion groove, stop 24 other end fixed connection of spring on stopping block 25 and being close to one side lateral wall of extrusion inslot diapire, stop block 25 top and block spring 24 effect salient outside the extrusion groove down. The lateral wall of one side that the stopper 25 top is close to the activator 11 is contradicted and is used for breaking away from the fixed block 21 spacing on the lateral wall of one side that the spacing ring 22 deviates from the activator 11, and stopper 25 deviates from and offers the chamfer 26 that the spacing ring 22 of being convenient for slided in on the lateral wall of one side of the activator 11, and when the fixed block 21 was emboliaed to the spacing ring 22, the spacing ring 22 was supported tightly and is crowded the stopper 25 into the extrusion inslot on the chamfer 26 inclined plane.

Referring to fig. 4 and 5, a CO2 detection alarm 14 is detachably connected to a side wall of the activator 11 through a connecting assembly 3, and the CO2 detection alarm 14 is used for detecting leaked carbon dioxide; coupling assembling 3 includes connecting block 31, slider 32 and locating component 33, and connecting block 31 fixed connection has seted up horizontally sliding hole 37 on the 11 lateral walls of activator on connecting block 31, and sliding hole 37 communicates with connecting block 31 top and the one end that deviates from activator 11 respectively, and slider 32 slides and installs on sliding hole 37, and CO2 detects siren 14 fixed connection and deviates from on 11 lateral walls of activator of slider 32 one side.

Referring to fig. 5 and 6, the positioning assembly 33 is disposed on the connecting block 31 and used for locking the position of the slider 32, the positioning assembly 33 includes a positioning spring 34 and steel balls 35, a horizontal positioning hole 36 is formed in the slider 32, the positioning spring 34 is disposed on the positioning hole 36 and is in a horizontal state, two steel balls 35 are disposed in the positioning hole 36, the two steel balls 35 are respectively and fixedly connected to two ends of the positioning spring 34, two opposite side walls of the connecting block 31, which are close to the steel balls 35, are both provided with insertion holes 38, the diameter length of the insertion holes 38 is smaller than that of the steel balls 35, one end of the steel ball 35, which is far away from the positioning spring 34, penetrates out of the positioning hole 36 under the action of the positioning spring 34 and is in clamping fit with the insertion holes 38, so as to position the slider 32 on the connecting block 31.

Referring to fig. 1 and 2, a protection mechanism 4 for protecting the gun barrel 1 is arranged on the gun barrel 1, the protection mechanism 4 comprises a protection sleeve 41 and a sealing cover 42, the protection sleeve 41 is sleeved on the outer side wall of the gun barrel 1, the activator 11, the pressure relief device 12 and the alloy cap 13 are all located in the protection sleeve 41, one end of the protection sleeve 41 close to the alloy cap 13 is in an open state, and the sealing cover 42 is detachably connected to the upper surface of the protection sleeve 41 through a fixing component 5 and is used for covering the opening.

Referring to fig. 1 and 2, the fixing assembly 5 includes a fixing ring 51 and a threaded ring 52, the fixing ring 51 is fixedly connected to the outer side wall of the protecting sleeve 41, a threaded groove is formed on the fixing ring 51, and the threaded ring 52 is fixedly connected to the lower surface of the sealing cover 42 and is in threaded connection with the threaded groove; the inside connection of lag 41 has the crashproof pad 53 of contradicting with barrel 1 lateral wall, and crashproof pad 53 is the crashproof pad 53 of sponge material and is used for wrapping up barrel 1 to reduce barrel 1 and receive the striking and the probability of damaging.

The working principle of the embodiment of the application is as follows:

after the gun barrel 1 is filled with carbon dioxide, the alloy cap 13 is screwed down to enable the fixing blocks 21 on the alloy cap 13 and the fixing blocks 21 on the activator 11 to be located in the same vertical direction, then the limiting rings 22 are sleeved on the two fixing blocks 21, the blocking blocks 25 pop out of the extrusion grooves to limit the limiting rings 22, so that the limiting of the alloy cap 13 is completed, the probability of carbon dioxide leakage caused by loose connection of the alloy cap 13 and the activator 11 is reduced, and the blasting effect of the carbon dioxide in the gun barrel 1 is kept.

Connecting block 31 fixed mounting is on the lateral wall of activator 11, CO2 detects siren 14 fixed connection on slider 32, it moves slider 32 and moves into slide opening 37 until steel ball 35 and spliced eye 38 joint cooperation under positioning spring 34 effect to accomplish the installation of CO2 detection siren 14 on activator 11, CO2 detects the carbon dioxide that the siren 14 leaked in to activator 11, and CO2 detects siren 14 and sends out the alarm sound and reminds the staff to seal activator 11 when carbon dioxide leaks, thereby the probability of carbon dioxide leakage has been reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A dry ice blasting device is characterized in that: the carbon dioxide heating device comprises a gun barrel (1) for storing carbon dioxide, wherein an activator (11) for heating the carbon dioxide is arranged on the gun barrel (1), an alloy cap (13) for sealing is connected to the activator (11) in a threaded manner, a limiting device (2) for limiting the alloy cap (13) is arranged on the gun barrel (1), and the limiting device (2) comprises;

the two fixing blocks (21), the two fixing blocks (21) are respectively arranged on the activator (11) and the alloy cap (13);

the limiting ring (22), the said limiting ring (22) is fitted over two fixed blocks (21);

the blocking assembly (23) is arranged on the gun barrel (1) and used for limiting the position of the limiting ring (22).

2. A dry ice blasting apparatus as defined in claim 1, wherein: the blocking assembly (23) comprises;

the blocking spring (24), the said blocking spring (24) is set in fixed block (21);

the stop block (25), the stop block (25) slide and set up on fixed block (21) and be connected with stop spring (24), stop block (25) and contradict with spacing ring (22) lateral wall under stop spring (24) effect.

3. A dry ice blasting apparatus as defined in claim 1, wherein: the activator (11) is detachably connected with a CO2 detection alarm instrument (14) through a connecting component (3), and the CO2 detection alarm instrument (14) is used for detecting leaked carbon dioxide.

4. A dry ice blasting apparatus as claimed in claim 3, wherein: the connection assembly (3) comprises;

the device comprises a connecting block (31), wherein the connecting block (31) is arranged on an activator (11), and a sliding hole (37) is formed in the connecting block (31);

the sliding block (32) is mounted on the sliding hole (37) in a sliding mode, and the sliding block (32) is connected with the CO2 detection alarm instrument (14);

the positioning component (33) is arranged on the connecting block (31) and used for positioning the position of the sliding block (32).

5. A dry ice blasting apparatus as claimed in claim 4, wherein: the positioning assembly (33) comprises;

the positioning spring (34), the said slide block (32) has locating holes (36), the said positioning spring (34) is set up on locating hole (36);

the connecting block (31) is provided with two steel balls (35), the connecting block is provided with a plug hole (38), and the two steel balls (35) are arranged at two ends of the positioning spring (34) and are in clamping fit with the plug hole (38) under the action of the positioning spring (34).

6. A dry ice blasting apparatus as defined in claim 1, wherein: the gun barrel (1) is provided with a protection mechanism (4) for protecting the gun barrel (1), and the protection mechanism (4) comprises;

the protective sleeve (41), the protective sleeve (41) is arranged on the gun barrel (1), and one end of the protective sleeve is in an open state;

the sealing cover (42) is detachably connected to the protecting sleeve (41) through the fixing component (5), and the sealing cover (42) is used for shielding the opening of the protecting sleeve (41).

7. A dry ice blasting apparatus as defined in claim 6, wherein: the fixing assembly (5) comprises;

a securing ring (51), the securing ring (51) being arranged on the protective sleeve (41);

a threaded ring (52), the threaded ring (52) being provided on the seal cap (42) and being screwed with the fixed ring (51).

8. A dry ice blasting apparatus as defined in claim 6, wherein: and an anti-collision pad (53) is arranged between the protective sleeve (41) and the gun barrel (1).

9. A dry ice blasting apparatus as defined in claim 1, wherein: the gun barrel (1) is provided with a pressure relief device (12) for relieving pressure in the gun barrel (1).

10. A dry ice blasting apparatus as defined in claim 2, wherein: the blocking block (25) is provided with a chamfer (26).