Underwater static rock breaking device and method

Abstract

The application belongs to the technical field of static rock breaking, and discloses an underwater static rock breaking device and method, which are used for breaking rock. The rock is provided with a containing hole, and the underwater static rock breaking device is arranged in the containing hole. The underwater static rock breaking device comprises a fixed pipe assembly, a first flexible pipe, a water injection pipe and a freezing pipe line. The first flexible pipe is connected with one end of the fixed pipe assembly and surrounds the fixed pipe assembly to form a freezing cavity. The water injection pipe can extend into the freezing cavity and inject liquid water into the freezing cavity. When the liquid water is injected into the freezing cavity through the water injection pipe, the first flexible pipe can expand and tightly adhere to the hole wall of the containing hole, and the fixed pipe assembly can be clamped with the hole wall to lock the first flexible pipe. The freezing pipe line can extend into the freezing cavity and freeze the liquid water in the freezing cavity. When the liquid water in the freezing cavity is frozen into solid water, the volume of the solid water is increased, which can make the first flexible pipe further expand and press the hole wall until the rock is broken, and no vibration, explosion or toxic substance is generated, which is safe and environmentally friendly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of static rock breaking, in particular to an underwater static rock breaking device and method. BACKGROUND

[0002] With the rapid development of modern engineering construction, people begin to focus on underwater construction, but the underwater terrain is complex, and large rocks often hinder the construction of underwater buildings, so it is usually necessary to break large rocks to eliminate the hindrance.

[0003] Underwater rock breaking mostly adopts blasting method, that is, setting explosives in the rock, using the huge impact force generated by the explosion of the explosives to break the rock, which has low cost and high efficiency, but the blasting method has large vibration, throws flying stones and produces toxic gases, which is easy to cause safety accidents, and the process of producing and transporting explosives also has certain safety hazards, therefore, people begin to try static rock breaking.

[0004] Static rock breaking usually punches a hole in the rock and injects dry ice into the hole to break the rock by using the expansion pressure. When dry ice is used for breaking, an activator needs to be added to the dry ice to complete the breaking of the rock, but part of the activator usually remains after the breaking is completed, which pollutes the underwater environment. SUMMARY

[0005] The purpose of the present application is to provide an underwater static rock breaking device and method to solve the technical problems of high risk coefficient of blasting method and easy environmental pollution of existing static rock breaking method.

[0006] To achieve this purpose, the present application adopts the following technical solutions:

[0007] The underwater static rock breaking device is used for breaking rocks, the rock is provided with a containing hole, and the underwater static rock breaking device is arranged in the containing hole, comprising:

[0008] A fixed pipe assembly;

[0009] A first flexible pipe connected to one end of the fixed pipe assembly and surrounding a freezing cavity;

[0010] A water injection pipe capable of extending into the freezing cavity and injecting liquid water into the freezing cavity, when liquid water is injected into the freezing cavity through the water injection pipe, the first flexible pipe can expand and tightly adhere to the hole wall of the containing hole, and the fixed pipe assembly can be clamped with the hole wall to lock the first flexible pipe;

[0011] The freezing pipeline can extend into the freezing cavity and freeze the liquid water in the freezing cavity, and when the liquid water in the freezing cavity is frozen into solid water, the volume of the solid water is increased, so that the first flexible tube is further expanded and the hole wall is pressed until the rock is broken.

[0012] As preferably, the fixed tube assembly comprises a connecting tube, a second flexible tube, a connecting piece and a fixing piece, the second flexible tube is connected with the connecting tube at both ends, the fixing piece is sleeved on the side of the second flexible tube, the fixing piece is rotationally connected with the connecting piece and abuts against the second flexible tube, when the second flexible tube is filled with water, the second flexible tube is expanded and pushes the fixing piece to rotate and abut against the hole wall of the accommodating hole.

[0013] As preferably, the second flexible tube comprises a flexible section and two connecting sections, the flexible section is connected with one connecting section at each end, the connecting section is threadedly connected with the connecting tube, the fixing piece is connected with the connecting section, and the fixing piece abuts against the flexible section.

[0014] As preferably, the accommodating hole is provided with an opening, and the fixing piece rotates towards the opening when the flexible section is expanded.

[0015] As preferably, the connecting tube is provided with a heat preservation layer on the side thereof.

[0016] As preferably, the fixed tube assembly further comprises a sealing cover, the sealing cover is connected with the connecting tube away from the first flexible tube, the sealing cover is provided with a plurality of openings, and the water injection pipe and the freezing pipeline extend into the freezing cavity through the openings.

[0017] As preferably, the fixed tube assembly further comprises a drainage pipe and an on-off valve, the drainage pipe extends into the freezing cavity through the sealing cover, the liquid water can be discharged through the drainage pipe, and the on-off valve can select to open or close the drainage pipe.

[0018] As preferably, the first flexible tube and the second flexible tube are made of rubber material.

[0019] As preferably, the accommodating hole comprises a plurality of first holes and a plurality of second holes, the depth of the first hole is greater than the depth of the second hole, a plurality of the first holes are uniformly and interval arranged along an arc to form a first hole group, a plurality of the second holes are uniformly and interval arranged along an arc to form a second hole group, a plurality of the first hole groups and a plurality of the second hole groups are interval arranged, and the first holes and the second holes in the adjacent first hole group and the second hole group are interval arranged.

[0020] The underwater static rock breaking method is completed by using the underwater static rock breaking device, and the method comprises the following steps.

[0021] S1, drilling a rock in need of breaking to form a containing hole;

[0022] S2, inserting the underwater static rock breaking device into the containing hole;

[0023] S3, injecting liquid water into the freezing cavity of the underwater static rock breaking device through the water injection pipe;

[0024] S4, when the pressure in the water injection pipe is constant, the pressure in the water injection pipe is kept constant, at this time the first flexible pipe is tightly attached to the hole wall of the containing hole, and the fixed pipe assembly is clamped with the hole wall of the containing hole to lock the first flexible pipe;

[0025] S5, freezing the liquid water through the freezing pipeline, the liquid water is frozen into solid water, the volume of the solid water is increased, the first flexible pipe is further expanded and pressed against the hole wall of the containing hole, until the rock is broken.

[0026] Beneficial effects: the underwater static rock breaking device is used for breaking rock, and the underwater static rock breaking device comprises a fixed pipe assembly, a first flexible pipe, a water injection pipe and a freezing pipeline. The underwater static rock breaking device is arranged in the containing hole on the rock, the water injection pipe injects liquid water into the freezing cavity, so that the first flexible pipe is expanded and tightly attached to the hole wall of the containing hole, and the fixed pipe assembly can be abutted with the hole wall of the containing hole to fix the first flexible pipe, so that the first flexible pipe is prevented from being separated from the containing hole during water injection expansion; then the liquid water is frozen through the freezing pipeline, and when the liquid water is frozen into solid water, the volume is increased, so that the first flexible pipe is further expanded. Since the first flexible pipe is tightly attached to the hole wall of the containing hole before freezing, the first flexible pipe will continue to press the hole wall after further expansion, until the hole wall cracks and the rock breaks. The volume expansion force generated by the phase change from liquid to solid volume expansion forces the rock to crack along the weak joint fissure, and the process does not produce any vibration and explosion, does not produce any toxic substance, and all the liquid is preserved in the freezing cavity and does not contact with the surrounding water body, avoiding pollution of the environment. Even if the device is damaged, the liquid water will not cause any pollution to the environment.

[0027] The application also provides an underwater static rock breaking method, which is completed by using the underwater static rock breaking device, and the method comprises the following steps: after drilling a hole in the rock to be broken, inserting the underwater static rock breaking device into the accommodating hole, injecting liquid water into the freezing cavity through the water injection pipe, keeping the pressure in the water injection pipe unchanged when the pressure in the water injection pipe is kept constant, so that the first flexible pipe is inflated and tightly attached to the hole wall of the accommodating hole, and the fixed pipe assembly is abutted against the hole wall of the accommodating hole to fix the first flexible pipe, so as to avoid that the first flexible pipe is separated from the accommodating hole during the water injection and inflation process; and freezing the liquid water through the freezing pipeline, so that the volume of the liquid water increases when the liquid water is frozen into solid water, and the first flexible pipe is further inflated, and the hole wall is continuously extruded after the further inflation, until the hole wall is cracked and the rock is broken. The underwater static rock breaking method uses the volume expansion force generated by the phase change from liquid to solid to force the rock to crack along the weak joint fissure, and the process does not generate any vibration and explosion, does not generate any toxic substances, and all the liquid is preserved in the freezing cavity and does not contact with the water body in the surrounding environment, so that the environment is not polluted, and even if the device is damaged, the liquid water does not cause any pollution to the environment. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a depth diagram of the first hole and the second hole provided by the embodiment of the application;

[0029] Figure 2 is a distribution diagram of the first hole and the second hole provided by the embodiment of the application;

[0030] Figure 3 is a structure diagram of the underwater static rock breaking device provided by the embodiment of the application Figure 1 ;

[0031] Figure 4 is a structure diagram of the underwater static rock breaking device provided by the embodiment of the application Figure 2 ;

[0032] Figure 5 is a front view of the second flexible pipe provided by the embodiment of the application;

[0033] Figure 6 is a structure diagram of the connecting piece provided by the embodiment of the application;

[0034] Figure 7 is a cooperation diagram of the connecting piece and the fixing piece after abutting against the hole wall provided by the embodiment of the application;

[0035] Figure 8 is a cooperation diagram of the fixing piece connected with the second flexible pipe through the connecting piece provided by the embodiment of the application.

[0036] In the drawings:

[0037] 100, water injection device; 200, refrigeration device; 301, first hole; 302, second hole;

[0038] 1, fixed tube assembly; 11, connecting tube; 12, second flexible tube; 121, flexible section; 122, connecting section; 13, connecting piece; 14, fixing piece; 15, sealing cover;

[0039] 2, first flexible tube;

[0040] 3, water injection tube;

[0041] 4, refrigeration tube;

[0042] 5, drain tube;

[0043] 6, on-off valve. DETAILED DESCRIPTION

[0044] The application will be further described below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the application, and not to limit the application. In addition, it should be noted that, for the convenience of description, only the parts related to the application are shown in the drawings, not all the structures.

[0045] In the description of the application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or detachably connected, or integrated; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0046] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "above" and "on" of the first feature to the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "under" and "under" of the first feature to the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0047] In the description of the embodiments, the terms "upper", "lower", "right", "left", and the like, orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used to distinguish in description and have no special meaning.

[0048] The technical solutions of the present application will be further illustrated below in conjunction with the drawings and through specific embodiments.

[0049] Most underwater rock breaking will adopt blasting method, that is, setting explosive in the rock, using the huge impact force generated by the explosive explosion to break the rock, which has low cost and high efficiency, but the blasting method has large vibration, throws flying stones and produces toxic gas, which is easy to cause safety accidents, and the process of producing and transporting explosive also has certain safety hazards, therefore, people begin to try static rock breaking.

[0050] Static rock breaking usually drills a hole in the rock and injects dry ice into the hole to break the rock by using the expansion pressure. When dry ice is used for breaking, an activator needs to be added to the dry ice to complete the breaking of the rock, but part of the activator usually remains after the breaking is completed, which pollutes the underwater environment.

[0051] Reference Figures 1-4 The present application provides an underwater static rock breaking device for breaking rock, the rock is provided with a containing hole, the underwater static rock breaking device is arranged in the containing hole, and the underwater static rock breaking device comprises a fixed pipe assembly 1, a first flexible pipe 2, a water injection pipe 3, a refrigeration pipeline 4, a drainage pipe 5 and a switch valve 6. When the underwater static rock breaking device is in the rock hole, liquid water is injected into the underwater static rock breaking device through the water injection pipe 3, the fixed pipe assembly 1 abuts against the hole wall of the containing hole to fix the whole device, the liquid water is frozen into solid water by the refrigeration pipeline 4, the first flexible pipe 2 is further expanded to break the rock, and after the breaking is completed, the solid water is liquefied, the switch valve 6 is opened to discharge the liquid water, and the recovery of the underwater static rock breaking device is completed.

[0052] Specifically, the containing hole comprises a plurality of first holes 301 and a plurality of second holes 302, the depth of the first hole 301 is greater than the depth of the second hole 302, the plurality of first holes 301 are uniformly and spacedly arranged along an arc to form a first hole group, the plurality of second holes 302 are uniformly and spacedly arranged along an arc to form a second hole group, the plurality of first hole groups and the plurality of second hole groups are spacedly and staggeredly arranged, and the first holes 301 and the second holes 302 in the adjacent first hole group and the second hole group are staggeredly arranged.

[0053] By arranging the first hole 301 and the second hole 302 in the above manner, stress offsetting that can occur when the accommodation hole depth is the same can be avoided, and the rock breaking effect of the underwater static rock breaking device can be ensured. The hole spacing of adjacent accommodation holes can be set according to an empirical function of hole spacing, breaking coefficient, and hole diameter obtained through experiments. When the block diameter after rock breaking does not reach the required size, the hole spacing can be reduced for adjustment. If the block diameter requirement is high, the hydraulic hammer can be used for further breaking treatment after breaking is completed.

[0054] Further, the hole spacing of adjacent accommodation holes cannot be less than 2 times the hole diameter to avoid damage to the hole wall caused by too small hole spacing of adjacent accommodation holes.

[0055] Further, the axes of the plurality of accommodation holes should be kept parallel to avoid the occurrence of stringing holes and prevent the formation of a sealed space after sealing, which can result in weakened breaking effect.

[0056] In the underwater static rock breaking device, the first flexible pipe 2 is connected to one end of the fixed pipe assembly 1 and surrounds the freezing cavity; the water injection pipe 3 can extend into the freezing cavity and inject liquid water into the freezing cavity. When liquid water is injected into the freezing cavity through the water injection pipe 3, the first flexible pipe 2 can expand and tightly adhere to the hole wall of the accommodation hole, and the fixed pipe assembly 1 can be clamped with the hole wall to lock the first flexible pipe 2; the freezing pipe 4 can extend into the freezing cavity and freeze the liquid water in the freezing cavity. When the liquid water in the freezing cavity is frozen into solid water, the volume increases, which can further expand the first flexible pipe 2 and press the hole wall until the rock is broken.

[0057] The underwater static rock breaking device is arranged in the accommodation hole on the rock. The water injection pipe 3 injects liquid water into the freezing cavity, which makes the first flexible pipe 2 expand and tightly adhere to the hole wall of the accommodation hole, and at the same time, the fixed pipe assembly 1 can be in abutment with the hole wall of the accommodation hole to fix the first flexible pipe 2, avoiding the first flexible pipe 2 from detaching from the accommodation hole during the water injection expansion process. Then, the liquid water is frozen through the freezing pipe 4. When the liquid water is frozen into solid water, the volume increases, which also makes the first flexible pipe 2 further expand. Since the first flexible pipe 2 has tightly adhered to the hole wall of the accommodation hole before freezing, further expansion will continue to press the hole wall until the hole wall cracks and the rock breaks. The volume expansion force generated by the phase change from liquid to solid causes the rock to break along the weak joint fissure. The process does not produce any vibration and explosion, does not produce any toxic substances, and all liquids are preserved in the freezing cavity and do not come into contact with the surrounding water body, avoiding environmental pollution. Even if the device is damaged, the liquid water will not cause any pollution to the environment.

[0058] The specific shape of the refrigeration pipeline 4 is not limited herein, and in the embodiment, the refrigeration pipeline 4 is in a U shape, the refrigeration pipeline 4 is connected with the refrigeration device, and the refrigerant in the refrigeration pipeline 4 can release heat in the refrigeration device while absorbing heat of the liquid water, so as to complete the refrigeration of the liquid water. The U shape can increase the contact area between the refrigeration pipeline 4 and the liquid water, and strengthen the refrigeration effect.

[0059] With reference to Figures 5-8 The fixed pipe assembly 1 includes a connecting pipe 11, a second flexible pipe 12, a connecting piece 13 and a fixing piece 14, the second flexible pipe 12 is connected with the connecting pipe 11 at both ends, the fixing piece 14 is sleeved on the outer side of the second flexible pipe 12, the fixing piece 14 is rotationally connected with the connecting piece 13 and abuts against the second flexible pipe 12, when the second flexible pipe 12 is filled with water, the second flexible pipe 12 will expand and push the fixing piece 14 to rotate and be clamped with the hole wall of the accommodating hole, so as to fix the entire underwater static rock breaking device and avoid the underwater static rock breaking device from being separated from the accommodating hole during the expansion process.

[0060] The materials of the connecting pipe 11, the first flexible pipe 2 and the second flexible pipe 12 are not limited herein, and in the embodiment, the connecting pipe 11 is made of steel material to ensure firm connection, and the first flexible pipe 2 and the second flexible pipe 12 are made of rubber material to be wear-resistant and ensure sufficient expansion effect. Exemplarily, in the embodiment, the rubber material is specifically isoprene rubber, which is wear-resistant, corrosion-resistant and has large elasticity, so as to ensure that the expansion force can be transmitted to the hole wall of the accommodating hole during the expansion process.

[0061] Specifically, the second flexible pipe 12 includes a flexible section 121 and two connecting sections 122, the flexible section 121 is connected with one connecting section 122 at each end, the connecting section 122 is made of metal material and is rolled on the two ends of the flexible section 121 by special equipment, so as to ensure the tight connection between the connecting section 122 and the flexible section 121, and the second flexible pipe 12 is threadedly connected with the connecting pipe 11 through the connecting section 122, so as to ensure the tight connection between the second flexible pipe 12 and the connecting pipe 11 and avoid water leakage to cause poor expansion effect.

[0062] The connecting piece 13 is in a split structure, the two parts of the connecting piece 13 are sleeved on the connecting section 122, and the two parts of the connecting piece 13 are connected with the connecting section 122 by means of bolts or welding, so as to ensure firm connection and avoid the axial movement of the connecting piece 13 along the connecting section 122, so that the fixing piece 14 can be clamped with the hole wall firmly.

[0063] The number of the fixing members 14 is not limited, and in the embodiment, six fixing members 14 are provided, which are evenly spaced around the axis of the connecting member 13. The fixing members 14 are connected to the peripheral side of the connecting member 13 by a hinge member, so that the fixing members 14 can abut against the flexible section 121 and be pushed by the flexible section 121 to rotate and be clamped on the hole wall of the accommodating hole when the flexible section 121 expands, thereby fixing the underwater static rock breaking device.

[0064] Further, the accommodating hole is provided with an opening, and the fixing members 14 rotate towards the opening when the flexible section 121 expands. Because the first flexible pipe 2 has a tendency to move away from the opening of the accommodating hole when it expands, the fixing members 14 have a tendency to rotate towards the flexible section 121, so that the fixing members 14 tightly abut against the expanded flexible section 121, and the fixing members 14 cannot rotate to a position smaller than the diameter of the accommodating hole, thereby being effectively clamped on the hole wall of the accommodating hole.

[0065] The size of the fixing members 14 is not limited, and the fixing members 14 should be able to abut against the hole wall after being pushed to expand by the second flexible pipe 12, so as to ensure the fixing effect.

[0066] Further, the connecting pipe 11 is provided with a heat preservation layer on the peripheral side, which can reduce the heat exchange between the connecting pipe 11 and the external environment during the freezing process as much as possible, thereby ensuring the freezing effect. The specific type of the heat preservation layer is not limited, and in the embodiment, the heat preservation layer is polyurethane coated with high-density polyethylene on the peripheral side, which can effectively reduce the energy transfer and ensure the freezing effect.

[0067] The number of the connecting pipes 11 and the second flexible pipes 12 is not limited, and in the embodiment, three second flexible pipes 12 are provided, and the corresponding connecting members 13 and fixing members 14 are also provided with three, so as to ensure the fixing effect in the deep hole. Adjacent second flexible pipes 12 can share one connecting pipe 11, and in the embodiment, four connecting pipes 11 are provided, thereby saving the manufacturing cost.

[0068] The fixing pipe assembly 1 further comprises a sealing cover 15, which can maintain the sealing of the freezing cavity and ensure the freezing effect. The sealing cover 15 is connected to the connecting pipe 11 away from the first flexible pipe 2, which is convenient for the connection of the equipment outside the rock. The sealing cover 15 is provided with a plurality of openings, and the water injection pipe 3 and the freezing pipeline 4 extend into the freezing cavity through the openings.

[0069] The underwater static rock breaking device further comprises a drain pipe 5 and an on-off valve 6. The drain pipe 5 extends into the freezing cavity through the sealing cover 15, and liquid water can be discharged through the drain pipe 5. The on-off valve 6 can select to open or close the drain pipe 5. When the rock breaking process is completed, the rock may not collapse. At this time, if the underwater static rock breaking device needs to be recovered, the liquid water needs to be liquefied, and then part of the liquid water is discharged from the drain pipe 5, so that the fixing part 14 can be withdrawn, and the first flexible pipe 2 can be away from the hole wall of the accommodating hole, thereby facilitating the staff to smoothly recover the underwater static rock breaking device.

[0070] Reference Figures 1-8 The application further provides an underwater static rock breaking method, which is completed by using the underwater static rock breaking device.

[0071] S1, drilling a rock needing to be broken to form an accommodating hole;

[0072] S2, inserting the underwater static rock breaking device into the accommodating hole;

[0073] S3, injecting liquid water into the freezing cavity of the underwater static rock breaking device through the water injection pipe 3;

[0074] S4, when the pressure in the water injection pipe 3 is constant, the pressure in the water injection pipe 3 is kept unchanged. At this time, the first flexible pipe 2 is tightly attached to the hole wall of the accommodating hole, and the fixing pipe assembly 1 is clamped with the hole wall of the accommodating hole to lock the first flexible pipe 2.

[0075] S5, freezing the liquid water through the freezing pipe 4. The liquid water is frozen into solid water, and the volume of the solid water is increased, so that the first flexible pipe 2 is further expanded and pressed against the hole wall of the accommodating hole, until the rock is broken.

[0076] After drilling the rock needing to be broken, the underwater static rock breaking device is inserted into the accommodating hole, the water injection pipe 3 injects liquid water into the freezing cavity, and the pressure in the water injection pipe 3 is kept unchanged when the pressure in the water injection pipe 3 is constant. The first flexible pipe 2 is expanded and tightly attached to the hole wall of the accommodating hole, and the fixing pipe assembly 1 is abutted with the hole wall of the accommodating hole to fix the first flexible pipe 2, so as to avoid that the first flexible pipe 2 is separated from the accommodating hole in the water injection expansion process. Then, the liquid water is frozen through the freezing pipe 4. When the liquid water is frozen into solid water, the volume is increased, so that the first flexible pipe 2 is further expanded. Since the first flexible pipe 2 is tightly attached to the hole wall of the accommodating hole before freezing, the first flexible pipe 2 will continue to press the hole wall after further expansion, until the hole wall is cracked, and the rock is broken. The underwater static rock breaking method forces the rock to be broken along the weak joint fissure by the volume expansion force generated by the phase change from liquid to solid volume expansion, and the process does not produce any vibration and explosion, does not produce any toxic substances, and all the liquid is preserved in the freezing cavity and does not contact with the surrounding water body, thereby avoiding pollution of the environment. Even if the device is damaged, the liquid water will not cause any pollution to the environment.

[0077] Specifically, in S1 includes:

[0078] S1.1, according to the geological hydrological conditions and engineering practice to determine the rock drilling position, hole spacing;

[0079] S1.2, by sampling rock to determine the rock breaking coefficient;

[0080] S1.3, according to the function relationship between hole spacing, rock breaking coefficient and hole diameter to design the hole arrangement;

[0081] S1.4, through the drilling equipment to drill the predetermined drilling position to form a containing hole.

[0082] The distribution of the containing hole is one of the important factors to determine the rock breaking effect. Specifically, the containing hole includes a plurality of first holes 301 and a plurality of second holes 302, the depth of the first hole 301 is greater than the depth of the second hole 302, a plurality of first holes 301 are uniformly spaced along an arc to form a first hole group, a plurality of second holes 302 are uniformly spaced along an arc to form a second hole group, a plurality of first hole groups and a plurality of second hole groups are spaced and staggered, and the first holes 301 and the second holes 302 in the adjacent first hole group and the second hole group are staggered.

[0083] By arranging the first hole 301 and the second hole 302 in the above manner, the stress offset that may occur when the containing hole depth is the same can be avoided, and the rock breaking effect of the underwater static rock breaking device is ensured. Among them, the hole spacing of adjacent containing holes can be obtained according to the experimental function of hole spacing, breaking coefficient and hole diameter. When the rock breaking block size does not reach the required size, the hole spacing can be reduced for adjustment. If the block size requirement is high, the hydraulic hammer can be used for further breaking treatment after breaking is completed.

[0084] Further, the hole spacing of adjacent containing holes cannot be less than 2 times the hole diameter to avoid damage to the hole wall caused by too small hole spacing of adjacent containing holes.

[0085] Further, the axes of a plurality of containing holes should be kept parallel to avoid the occurrence of stringing holes, prevent the formation of airtight space after sealing, and lead to weakening of the breaking effect.

[0086] In S2, during the process of inserting the underwater static rock breaking device into the containing hole, the bending of the water injection pipe 3 and the freezing pipe 4 should be avoided to avoid affecting the freezing effect.

[0087] Specifically, in S3 includes:

[0088] S3.1, connecting the water injection pipe 3 with the water injection equipment 100;

[0089] S3.2, closing the drain pipe 5 through the switch valve 6;

[0090] S3.2, turn on the water injection device 100 to inject liquid water into the freezing cavity.

[0091] The specific type of water injection device 100 is not limited here, and in this embodiment, the water injection device 100 is a high-pressure water pump, which ensures that the freezing cavity can be filled with liquid water of sufficient pressure to ensure the subsequent freezing and extrusion effect.

[0092] Specifically, in S4, the pressure value in the water injection pipe 3 is observed through the pressure gauge, and when the pressure in the water injection pipe 3 remains unchanged, it is proved that the liquid water in the freezing cavity has reached saturation, at which time the second flexible pipe 12 expands and pushes the fixing piece 14 to rotate, and the fixing piece 14 is clamped with the hole wall of the accommodating hole after rotating to fix the first flexible pipe 2, avoiding the expanded first flexible pipe 2 from being pulled out of the accommodating hole, and the expanded first flexible pipe 2 will fill the accommodating hole and tightly adhere to the hole wall of the accommodating hole, ensuring the subsequent effect of freezing and crushing rock.

[0093] Specifically, S5 includes:

[0094] S5.1, connect the freezing pipeline 4 with the freezing device;

[0095] S5.2, turn on the freezing device;

[0096] S5.3, when the liquid water is frozen into solid water, the volume increases, the first flexible pipe 2 further expands and extrudes the hole wall of the accommodating hole, until the rock is crushed.

[0097] The freezing device is not limited here, and in this embodiment, the freezing device is an ammonia-salt water circulation refrigeration device 200, which absorbs the heat of the liquid water in the freezing cavity by the refrigerant (salt water), the refrigerant can be circulated to the refrigeration device 200 through the freezing pipeline 4, and the absorbed heat is transferred to the refrigerant (liquid ammonia), after compression work, the refrigerant will transfer the absorbed heat to the cooling water, and the cooling water will dissipate the heat to the air, so as to complete the freezing of the liquid water.

[0098] When the liquid water solidifies into solid water, the volume of the solid water is about 1.1 times that of the liquid water, and since the first flexible pipe 2 has been tightly adhered to the hole wall of the accommodating hole due to the filling of the liquid water, the hole wall will be extended along the weak joint fissure of the rock under the action of the expansion force, and the micro-fissure will be increased to crush the rock. At the same time, due to the difference in depth of the adjacent rows of holes, the expansion force is increased to form a force difference between the adjacent rows of drill holes.

[0099] After S5, it also includes:

[0100] S6, liquefy the solid water into liquid water and discharge it through the drain pipe 5.

[0101] Specifically, in S6, it includes:

[0102] S6.1, closing the refrigeration device 200 to liquefy the solid water into liquid water;

[0103] S6.2, opening the drain valve and connecting the drain pipe 5 with the water pump to pump out part of the liquid water in the freezing cavity;

[0104] S6.3, when the first flexible pipe 2 and the second flexible pipe 12 return to the original state, the underwater static rock breaking device is recovered.

[0105] Because the first flexible pipe 2 and the second flexible pipe 12 are filled with liquid water before, it is still difficult to take out and recover the underwater static rock breaking device from the containing hole after the solid water is liquefied into liquid water, so it is needed to discharge part of the water through the drain pipe 5 to reduce the pressure in the first flexible pipe 2 and the second flexible pipe 12 and return to the original state, so as to facilitate the construction personnel to recover the underwater breaking device.

[0106] Further, after S6, it further includes:

[0107] S7, using the hydraulic hammer to hammer the rocks for further processing;

[0108] S8, cleaning the rocks by the grab bucket or the suction device.

[0109] If the project has higher requirements for the rock block diameter, it is needed to hammer the rocks by the hydraulic hammer to further process the rocks, and finally clean the rocks by the grab bucket or the suction device to complete a complete rock breaking project.

[0110] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not the limitation to the embodiments of the present application. For the ordinary skilled in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present application. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent substitution and improvement within the spirit and principle of the present application should be included in the protection scope of the claims of the present application.

Claims

1. An underwater static rock breaking device for breaking rock, the rock being provided with a housing hole, the underwater static rock breaking device being disposed in the housing hole, characterized by, The utility model relates to a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking.

2. The underwater static rock breaking device according to claim 1, characterized in that, The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking.

3. The underwater static rock breaking device according to claim 2, characterized in that, The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking.

4. The underwater static rock breaking device according to claim 1, characterized in that, The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking.

5. The underwater static rock breaking device according to claim 1, characterized in that, The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking.

6. The apparatus of claim 5, wherein, The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking.

7. The underwater static rock breaking device of claim 1, wherein, The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the technical field of rock breaking. The utility model discloses a frozen pipe assembly and a frozen pipe assembly system, and relates to the 8. The underwater static rock breaking device of claim 1, wherein, The accommodating hole comprises a plurality of first holes (301) and a plurality of second holes (302), the depth of the first hole (301) is greater than the depth of the second hole (302), a plurality of the first holes (301) are uniformly spaced along an arc to form a first hole group, a plurality of the second holes (302) are uniformly spaced along an arc to form a second hole group, a plurality of the first hole groups and a plurality of the second hole groups are spaced and staggered, and the first holes (301) and the second holes (302) in adjacent first hole groups and second hole groups are staggered.

9. A method for underwater static rock breaking, performed using the underwater static rock breaking device according to any one of claims 1-8, characterized in that, Comprise: S1, drilling a rock needing to be broken to form an accommodating hole; S2, inserting an underwater static rock breaking device into the accommodating hole; S3, injecting liquid water into the freezing cavity of the underwater static rock breaking device through the water injection pipe (3); S4, when the pressure in the water injection pipe (3) is constant, the pressure in the water injection pipe (3) is kept unchanged, at this time, the first flexible pipe (2) is tightly attached to the hole wall of the accommodating hole, the fixed pipe assembly (1) is clamped with the hole wall of the accommodating hole to lock the first flexible pipe (2); S5, freezing the liquid water through the freezing pipeline (4), the liquid water is frozen into solid water with a larger volume, so that the first flexible pipe (2) is further expanded and pressed against the hole wall of the accommodating hole, until the rock is broken.

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