Gas blasting device for broken pile head of support pile

The gas blasting device utilizes the gasification of carbon dioxide liquid to generate high-pressure gas to instantly break the pile head, solving the problem of slow breaking speed of the support pile head and achieving the effect of rapid pile breaking and accelerated construction period.

CN223389056UActive Publication Date: 2025-09-26WUHAN WUJIAN MASCH CONSTR CO LTD
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Patent Information

Application Number
CN202422935016.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-09-26
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

In the prior art, the breaking speed of the support pile head is slow, which affects the construction period.

Method used

A gas blasting device is used, with a combination of outer shell, sealing shell and heating rod. The high-pressure gas generated by the gasification of carbon dioxide liquid can instantly rupture the pile head. Combined with the supporting and fixing mechanism and warning plate, the stability and reliability of the device are ensured.

Benefits of technology

The rapid removal of the supporting pile heads was achieved, which avoided construction delays and improved construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of support pile head blasting, and discloses a gas blasting device for a support pile broken pile head, which comprises an outer shell, the bottom of each outer shell is fixedly connected with a bottom piece, the top of each bottom piece is fixedly connected with a sealing shell, and the inner side of each sealing shell is provided with carbon dioxide liquid. A plurality of air injection holes are formed in the outer walls of the multiple shells at equal intervals, the tops of the multiple shells are in threaded connection with top covers, charging holes are formed in the tops of the multiple top covers, heating rods are fixedly connected to the bottoms of the multiple top covers, and supporting and fixing mechanisms are installed on the outer sides of the shells; and the supporting and fixing mechanism is used for supporting and fixing the equipment. According to the utility model, the carbon dioxide liquid is loaded through the shell, the bottom sheet and the sealing shell, then the shell is sealed through the top cover, and the carbon dioxide liquid is gasified through the heating rod when blasting is carried out, so that the pile head of the support pile is exploded from the inside.
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Description

Technical Field

[0001] The utility model relates to the technical field of supporting pile head blasting, in particular to a gas blasting device for breaking the pile head of a supporting pile. Background Art

[0002] The gas blasting device for breaking the pile heads of support piles is a major innovative achievement in the field of foundation construction of modern construction projects. It is mainly composed of a high-pressure gas storage tank, a precision pressure relief valve, a directional blasting tube and an intelligent control unit. Its working principle is based on the rapid expansion of compressed gas in an instant to release huge energy, thereby achieving the crushing operation of the support pile heads. The entire device is made of high-strength alloy material and has excellent pressure resistance and corrosion resistance, ensuring stable and reliable operation in complex and harsh construction site environments.

[0003] After searching, the Chinese patent publication number is: CN114018114A, which discloses a gas blasting stone construction method, which relates to the technical field of engineering construction, and includes the following steps: step 1: design and arrange the placement hole; step 2: drill the placement hole; step 3: assemble the cracker and fill it with carbon dioxide; step 4: place the cracker, and install a fixing device on the outer periphery of the cracker to position and fix the cracker; step 5: detonate; the fixing device in step 4 includes a connecting sleeve and a fixing sleeve, the connecting sleeve sliding sleeve is set on the outer periphery of the cracker, and the fixing sleeve slides The sleeve is arranged on the outer peripheral side of the connecting sleeve, and a positioning strip is hinged on the side of the connecting sleeve close to the placement hole. A plurality of connecting strips are hinged on the outer peripheral side of the fixed sleeve, and the connecting strips correspond to the positioning strips one by one. The connecting sleeve is provided with fixing parts, and the connecting sleeve is provided with connecting components. This application can improve the problem that the crack arrester is not in the middle position of the placement groove. In the existing foundation pit support piles and crown beam construction, the over-pouring of the pillar pile top is removed by manual labor. When facing projects with tight schedules, this method of breaking the pile head will affect the work progress, thereby affecting the time of delivery of the schedule. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a gas blasting device for breaking the pile head of a support pile, aiming to improve the problem in the existing technology that the speed of manual pile head breaking is slow, thereby delaying the work progress and affecting the delivery period.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a gas blasting device for supporting pile heads, comprising an outer shell, multiple bottoms of the outer shells are fixedly connected to bottom plates, multiple tops of the bottom plates are fixedly connected to sealed shells, multiple inner sides of the sealed shells are provided with carbon dioxide liquid, multiple outer walls of the outer shells are equidistantly provided with multiple jet holes, multiple tops of the outer shells are threadedly connected to top covers, multiple tops of the top covers are provided with charging holes, multiple bottoms of the top covers are fixedly connected to heating rods, and a supporting and fixing mechanism is installed on the outer side of the outer shell, and the supporting and fixing mechanism is used to support and fix the equipment.

[0006] Through the above technical solution: the gas blasting device for breaking the pile head of the support pile has a bottom film at the bottom of the outer shell, and a sealing shell is installed inside the outer shell, and then the sealing shell is filled with carbon dioxide liquid, and then the outer shell is sealed through the top cover, and a heating rod is installed at the bottom of the top cover, and a charging hole is opened above the top cover. When blasting, it is only necessary to connect the power supply to the charging hole on the top cover to energize the heating rod. Then, as the heating rod is started, the heating rod will heat its own temperature to more than 800 degrees in a short time, so that the carbon dioxide liquid in the sealing shell is instantly vaporized. After the carbon dioxide liquid is vaporized, it can generate extremely high pressure, so that it will instantly break the sealing shell and be discharged from multiple jet holes on the outer shell, thereby bursting the pile head of the support pile from the inside.

[0007] As a further description of the above technical solution:

[0008] The supporting and fixing mechanism includes a bottom rod, the tops of multiple bottom rods are fixedly connected to the bottom of the bottom film, the outer sides of multiple bottom rods are fixedly connected with bottom rings, the tops of the bottom rings are equidistantly fixedly connected with multiple support rods, the tops of multiple support rods are fixedly connected with calibration rings, the outer sides of the calibration rings are equidistantly fixedly connected with multiple limit rings, and the bottoms of multiple limit rings are fixedly connected with protective tubes.

[0009] Through the above technical solution: bottom rings are fixed outside the multiple bottom rods to fix and connect them to each other, and calibration rings are fixed on the bottom rings through multiple support rods. Through multiple limiting rings outside the calibration rings, each shell can be limited separately, and the protective tube fixed under each limiting ring can avoid the problem of the air jet hole being blocked during pouring.

[0010] As a further description of the above technical solution:

[0011] The middle parts of the outer walls of the multiple shells are all fixedly connected with warning pieces, and the outer walls of the multiple warning pieces are all fixedly connected with reflective strips.

[0012] Through the above technical solution: the warning sheet plays a warning function during the storage and transportation of the gas blasting device, and the reflective strip enhances its visibility.

[0013] As a further description of the above technical solution:

[0014] The middle parts of the plurality of support rods are fixedly connected with a connecting rod, and the adjacent ends of the plurality of connecting rods are fixedly connected with a hollow tube.

[0015] Through the above technical solution: the connecting rod and the hollow tube jointly provide support for the protective tube.

[0016] As a further description of the above technical solution:

[0017] The outer side of the bottom ring is fixedly connected with fixed rings at equal intervals, and the inner sides of the plurality of fixed rings are all slidably connected with steel nails.

[0018] Through the above technical solution: the fixing ring is fixed on the outside of the bottom ring, and the supporting fixing mechanism is fixed by steel nails.

[0019] As a further description of the above technical solution:

[0020] The outer sides of the plurality of top covers are all threadedly connected with hinges, and the middle and upper parts of the plurality of hinges are all threadedly connected with dust covers.

[0021] Through the above technical solution: the dust cover is opened and closed by a hinge to prevent dust and foreign matter from entering the charging port.

[0022] As a further description of the above technical solution:

[0023] The bottoms of adjacent sides of the plurality of dust covers are all fixedly connected with buckles, and the bottoms of adjacent sides of the plurality of top covers are all provided with card slots.

[0024] Through the above technical solution, the buckle on the dust cover cooperates with the slot under the top cover to fix the dust cover on the top cover.

[0025] As a further description of the above technical solution:

[0026] The tops of the plurality of dustproof covers are all fixedly connected with a connecting ring, and the inner sides of the plurality of connecting rings are all rotatably connected with a pull ring.

[0027] Through the above technical solution, the pull ring on which the connecting ring is fixed to the dust cover makes it easy to open the dust cover.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, the carbon dioxide liquid is carried by the outer shell, the bottom plate and the sealing shell, and then the outer shell is sealed by the top cover. When blasting, the carbon dioxide liquid is gasified by the heating rod, so that the pile head of the supporting pile is blown up from the inside, thereby achieving the effect of quickly breaking the pile head of the supporting pile, thereby speeding up the work progress and avoiding the problem of affecting the delivery period.

[0030] 2. In the present invention, a bottom ring is provided outside the multiple bottom rods for fixing and interconnecting, and a calibration ring and a limit ring are fixed on the bottom ring through multiple support rods to limit the outer shell. The protective tube fixed under each limit ring can avoid the problem of the air jet hole being blocked during pouring, thereby achieving the effect of supporting and fixing the gas blasting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a three-dimensional diagram of a gas blasting device for breaking the pile head of a supporting pile proposed in the present invention;

[0032] Figure 2 This is a front view of a gas blasting device for breaking the pile head of a supporting pile proposed in the present invention;

[0033] Figure 3 This is a partial structural cross-sectional view of a gas blasting device for breaking the pile head of a supporting pile proposed in the present invention;

[0034] Figure 4 This is a disassembled diagram of the support and fixing mechanism of a gas blasting device for breaking the pile head of a support pile proposed in the present utility model;

[0035] Figure 5 This is a partial structural exploded view of a gas blasting device for breaking the pile head of a support pile proposed in the present invention.

[0036] Legend:

[0037] 1. Outer shell; 2. Support and fixing mechanism; 201. Bottom rod; 202. Bottom ring; 203. Support rod; 204. Calibration ring; 205. Limiting ring; 206. Protective tube; 3. Bottom film; 4. Sealing shell; 5. Carbon dioxide liquid; 6. Jet hole; 7. Top cover; 8. Charging port; 9. Heating rod; 10. Warning film; 11. Reflective strip; 12. Connecting rod; 13. Hollow tube; 14. Fixing ring; 15. Steel nail; 16. Hinge; 17. Dust cover; 18. Buckle; 19. Slot; 20. Connecting ring; 21. Pull ring. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0039] Reference Figure 3 The utility model provides an embodiment: a gas blasting device for supporting pile heads, comprising a shell 1, the bottoms of multiple shells 1 are fixedly connected to bottom plates 3, the bottom plates 3 are used to block the bottoms of the shells 1, the tops of multiple bottom plates 3 are fixedly connected to sealing shells 4, the inner sides of multiple sealing shells 4 are provided with carbon dioxide liquid 5, the sealing shells 4 are used to carry the carbon dioxide liquid 5, the outer walls of the multiple shells 1 are equidistantly opened with multiple jet holes 6, the jet holes 6 are used to discharge the strong pressure after the carbon dioxide liquid 5 is gasified, the tops of the multiple shells 1 The top covers 7 are all threadedly connected, and the top covers 7 are used to block the top of the housing 1. A charging hole 8 is opened on the top of the multiple top covers 7. The bottoms of the multiple top covers 7 are fixedly connected to a heating rod 9. The charging hole 8 is used to connect the power supply to start the heating rod 9. A supporting and fixing mechanism 2 is installed on the outside of the housing 1. The supporting and fixing mechanism 2 is used to support and fix the equipment. A warning piece 10 is fixedly connected to the middle of the outer wall of the multiple housings 1. The outer walls of the multiple warning pieces 10 are fixedly connected to a reflective strip 11, and warnings are given through the warning piece 10 and the reflective strip 11;

[0040] Specifically, the gas blasting device for breaking the pile head of the supporting pile has a bottom film 3 at the bottom of the shell 1, and a sealing shell 4 is installed inside the shell 1, and then the sealing shell 4 is filled with carbon dioxide liquid 5, and then the shell 1 is sealed through the top cover 7, and a heating rod 9 is installed at the bottom of the top cover 7, and a charging hole 8 is opened above the top cover 7. When blasting, it is only necessary to connect the power supply to the charging hole 8 on the top cover 7 to energize the heating rod 9. Then, as the heating rod 9 is started, the heating rod 9 will heat its own temperature to more than 800 degrees in a short time, so that the carbon dioxide liquid 5 in the sealing shell 4 is instantly gasified. After the carbon dioxide liquid 5 is gasified, it can generate extremely high pressure, which will instantly break the sealing shell 4 and be discharged from multiple air jet holes 6 on the shell 1, so as to blast the pile head of the supporting pile from the inside, thereby achieving the effect of quickly breaking the pile head of the supporting pile. The warning piece 10 can serve as a warning when the gas blasting device is stored and transported, and the reflective strip 11 can make the warning piece 10 more eye-catching.

[0041] Reference Figure 2 and Figure 4The supporting and fixing mechanism 2 includes a bottom rod 201. The tops of the multiple bottom rods 201 are fixedly connected to the bottom of the bottom plate 3. The bottom rod 201 is used to fix the gas blasting device. The outer sides of the multiple bottom rods 201 are fixedly connected with a bottom ring 202. The bottom ring 202 is used to connect the multiple bottom rods 201. The tops of the bottom ring 202 are equidistantly fixedly connected with multiple support rods 203. The tops of the multiple support rods 203 are fixedly connected with calibration rings 204. The support rods 203 provide support for the calibration rings 204. The outer sides of the calibration rings 204 are equidistantly fixedly connected with multiple limiting rings 205. The limiting rings 205 Used to limit the range of motion of the shell 1, the bottoms of the multiple limit rings 205 are fixedly connected to the protective tube 206, the protective tube 206 can prevent the air jet hole 6 from being blocked in advance, the middle parts of the multiple support rods 203 are fixedly connected to the connecting rod 12, and the adjacent ends of the multiple connecting rods 12 are fixedly connected to the hollow tube 13. The connecting rod 12 and the hollow tube 13 provide support for the protective tube 206. The outer side of the bottom ring 202 is equidistantly fixedly connected to the fixing ring 14, and the inner sides of the multiple fixing rings 14 are slidably connected to the steel nails 15, and the support and fixing mechanism 2 is fixed by the fixing ring 14 and the steel nails 15;

[0042] Specifically, multiple bottom rods 201 are fixed with bottom rings 202 to fix and connect them to each other, and calibration rings 204 are fixed on the bottom rings 202 through multiple support rods 203. Multiple limiting rings 205 outside the calibration rings 204 can limit each shell 1 respectively, and the protective tube 206 fixed under each limiting ring 205 can avoid the problem of the air injection hole 6 being blocked during pouring, thereby achieving the effect of supporting and fixing the gas blasting device. The protective tube 206 is supported by multiple connecting rods 12 in conjunction with the hollow tube 13 sleeved on the outside of the protective tube 206, and the fixing ring 14 fixed on the outside of the bottom ring 202 can fix it when the support and fixing mechanism 2 is installed in conjunction with the steel nail 15.

[0043] Reference Figure 1 and Figure 5 , the outer sides of the multiple top covers 7 are all threadedly connected with hinges 16, the middle and upper parts of the multiple hinges 16 are all threadedly connected with dust covers 17, the hinges 16 realize the snapping effect of the dust covers 17, the bottoms of the adjacent sides of the multiple dust covers 17 are fixedly connected with buckles 18, the bottoms of the adjacent sides of the multiple top covers 7 are all provided with slots 19, the buckles 18 and the slots 19 are used to fix the top covers 7 and the dust covers 17, the tops of the multiple dust covers 17 are all fixedly connected with connecting rings 20, the inner sides of the multiple connecting rings 20 are rotatably connected with pull rings 21, and the connecting rings 20 are used to fix the pull rings 21;

[0044] Specifically, the dust cover 17 that is opened and closed by the hinge 16 can prevent dust and foreign matter from entering the charging port 8, and the buckle 18 fixed on the dust cover 17 cooperates with the slot 19 opened under the top cover 7 to fix the dust cover 17 on the top cover 7, and the pull ring 21 fixed on the dust cover 17 by the connecting ring 20 can open the dust cover 17 more conveniently.

[0045] Working principle: The gas blasting device for breaking the pile head of the supporting pile has a bottom film 3 at the bottom of the shell 1, and a sealing shell 4 is installed inside the shell 1, and then the sealing shell 4 is filled with carbon dioxide liquid 5, and then the shell 1 is sealed through the top cover 7, and a heating rod 9 is installed at the bottom of the top cover 7, and a charging hole 8 is opened above the top cover 7; when blasting, it is only necessary to connect the power supply to the charging hole 8 on the top cover 7 to energize the heating rod 9, and then as the heating rod 9 is started, the heating rod 9 will heat its own temperature to more than 800 degrees in a short time, so that the carbon dioxide liquid 5 in the sealing shell 4 is instantly gasified, and the carbon dioxide liquid 5 can generate extremely high pressure after gasification, so that it will instantly break the sealing shell 4 and be discharged from multiple air jet holes 6 on the shell 1, so as to burst the pile head of the supporting pile from the inside; thereby achieving the effect of quickly breaking the pile head of the supporting pile, thereby speeding up the work progress and avoiding the problem of affecting the delivery period;

[0046] When the gas blasting device for breaking the pile head of the supporting pile is installed in the pile head of the supporting pile, the supporting and fixing mechanism 2 will be fixed to the supporting pile without the pile head being cast first, and then multiple gas blasting devices will be fixed to the corresponding bottom rods 201 through the bottom plate 3 at the bottom of the shell 1; and a bottom ring 202 is fixed outside the multiple bottom rods 201 to fix and connect them to each other, and a calibration ring 204 is fixed on the bottom ring 202 through multiple support rods 203. Through the multiple limiting rings 205 outside the calibration ring 204, each shell 1 can be limited separately, and the protective tube 206 fixed under each limiting ring 205 can avoid the problem of the air injection hole 6 being blocked during casting; thereby achieving the effect of supporting and fixing the gas blasting device.

[0047] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. 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 make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A gas blasting device for breaking the pile head of a supporting pile, comprising a housing (1), characterized in that: The bottoms of the multiple shells (1) are fixedly connected to the bottom sheets (3), the tops of the multiple bottom sheets (3) are fixedly connected to the sealing shells (4), the inner sides of the multiple sealing shells (4) are provided with carbon dioxide liquid (5), the outer walls of the multiple shells (1) are provided with multiple jet holes (6) at equal intervals, the tops of the multiple shells (1) are threadedly connected to the top covers (7), the tops of the multiple top covers (7) are provided with charging holes (8), the bottoms of the multiple top covers (7) are fixedly connected to the heating rods (9), and the outer side of the shells (1) is provided with a supporting and fixing mechanism (2), and the supporting and fixing mechanism (2) is used to support and fix the device.

2. A gas blasting device for breaking the pile head of a supporting pile according to claim 1, characterized in that: The supporting and fixing mechanism (2) comprises a bottom rod (201), the tops of the plurality of bottom rods (201) are fixedly connected to the bottom of the bottom film (3), the outer sides of the plurality of bottom rods (201) are fixedly connected to a bottom ring (202), the tops of the bottom ring (202) are equidistantly fixedly connected to a plurality of support rods (203), the tops of the plurality of support rods (203) are fixedly connected to a calibration ring (204), the outer sides of the calibration ring (204) are equidistantly fixedly connected to a plurality of limiting rings (205), and the bottoms of the plurality of limiting rings (205) are fixedly connected to a protective tube (206).

3. The gas blasting device for breaking the pile head of a supporting pile according to claim 1, characterized in that: The middle portions of the outer walls of the plurality of shells (1) are all fixedly connected with warning sheets (10), and the outer walls of the plurality of warning sheets (10) are all fixedly connected with reflective strips (11).

4. A gas blasting device for breaking the pile head of a supporting pile according to claim 2, characterized in that: The middle portions of the plurality of support rods (203) are fixedly connected to a connecting rod (12), and the adjacent ends of the plurality of connecting rods (12) are fixedly connected to a hollow tube (13).

5. The gas blasting device for breaking the pile head of a supporting pile according to claim 2, characterized in that: The outer side of the bottom ring (202) is fixedly connected to fixed rings (14) at equal intervals, and the inner sides of the plurality of fixed rings (14) are all slidably connected to steel nails (15).

6. The gas blasting device for breaking the pile head of a supporting pile according to claim 1, characterized in that: The outer sides of the plurality of top covers (7) are all threadedly connected to hinges (16), and the middle and upper parts of the plurality of hinges (16) are all threadedly connected to dust covers (17).

7. A gas blasting device for breaking the pile head of a supporting pile according to claim 6, characterized in that: The bottoms of adjacent sides of the plurality of dust covers (17) are all fixedly connected with buckles (18), and the bottoms of adjacent sides of the plurality of top covers (7) are all provided with card slots (19).

8. The gas blasting device for breaking the pile head of a supporting pile according to claim 6, characterized in that: The tops of the plurality of dust covers (17) are all fixedly connected to a connecting ring (20), and the inner sides of the plurality of connecting rings (20) are all rotatably connected to a pull ring (21).

Citation Information

Patent Citations

  • Gas blasting rockwork construction method

    CN114018114A