Up-charging blocking device and use method

Abstract

The invention discloses a blocking device for upward explosive charging and a using method, and relates to the technical field of upward explosive bag installation. A lifting mechanism is mounted on the base, the lifting mechanism comprises a cross connecting rod and a lifting rod, and the lifting rod is mounted in the middle of the cross connecting rod; a middle plate is mounted at the top of the lifting rod; the bottom of the cross connecting rod is hinged to the base, and the top of the cross connecting rod is hinged to the middle plate. A bag is mounted above the middle plate, a high-pressure inlet is formed in the bottom of the bag, and the bag is suitable for being filled with a curing composite material from the high-pressure inlet; a pulley seat and a fixed pulley are mounted at the top of the bag, and a pull rope is mounted on the fixed pulley; a position plate is installed on the bag, and the outer surface of the position plate is suitable for abutting against the inner wall of a blast hole. And a sealing plate is mounted on the middle plate and is suitable for sealing the bottom of the blast hole, so that the explosive charging problem of accurately implementing upward blasting is solved.

Description

Technical Field

[0001] The invention relates to the technical field of upward medicine bag installation, in particular to an upward medicine pack blocking device and a use method. Background Art

[0002] In mining, in order to facilitate the transportation of ore and rock between two mining levels, vertical or steeply inclined chutes are often set up. However, due to the limitations of the working platform and construction period, vertical upward blasting excavation is often used. At present, blasting generally uses manual charging, which is labor-intensive. In addition, due to the differences in professional skills and basic qualities of operators, it will affect the charging quality and construction time, resulting in over-excavation and under-excavation, causing unnecessary troubles to the safety protection of tunnels and roadways. Therefore, how to accurately implement the charging of upward blasting during construction has always been a problem that blasting workers need to solve urgently. Summary of the invention

[0003] The purpose of the present invention is to make up for the deficiencies of the prior art and provide a plugging device for upward charging, comprising a base, a lifting mechanism installed on the base, the lifting mechanism comprising a cross link and a lifting rod, the lifting rod being installed in the middle of the cross link; a middle plate being installed on the top of the lifting rod; the bottom of the cross link is hinged to the base, and the top of the cross link is hinged to the middle plate;

[0004] A bladder is installed above the middle plate, and a high-pressure inlet is installed at the bottom of the bladder, and the bladder is suitable for filling and curing composite materials from the high-pressure inlet; a pulley seat and a fixed pulley are installed on the top of the bladder, and a tension rope is installed on the fixed pulley; a position plate is installed on the bladder, and the outer surface of the position plate is suitable for abutting against the inner wall of the blast hole;

[0005] A closing plate is installed on the middle plate, and the closing plate is suitable for sealing the bottom of the blast hole.

[0006] In a further technical solution, the bottom of the pouch is provided with a closing portion and is mounted on a closing plate;

[0007] The curing composite material comprises epoxy resin and curing agent, and a preheating cylinder is installed on the middle plate, and the preheating cylinder is filled with epoxy resin and curing agent.

[0008] In a further technical solution, the pouch includes an inner film and an outer film, the closing portion includes a closing first and a closing second, the bottom side of the outer film is provided with a closing first, a connecting pipe and a diaphragm pump are installed outside the closing first, and the diaphragm pump is connected to the preheating cylinder;

[0009] The bottom of the inner membrane is provided with a second closing opening, which is located between the closing plate and the middle plate and is equipped with a one-way valve, the one-way valve is connected to an inlet pipe, and a pressure pump is installed outside the inlet pipe;

[0010] The inlet pipe is filled with concrete, and the preheating cylinder is filled with curing composite material.

[0011] In a further technical solution, a connecting column is installed between the middle plate and the closing plate, and the two ends of the connecting column are detachably connected to the middle plate and the closing plate respectively;

[0012] A guide rod is installed on the base, and the guide rod is suitable for passing through the middle plate and being installed with a limiting ring.

[0013] In a further technical solution, the bag is equipped with multiple groups of position plates, and a constraint ring is sleeved on the outer membrane of the bag; the position plate includes an arc portion 1 and an arc portion 2, the arc portion 2 and the constraint ring are arranged concentrically with the bag, and are fixedly installed on the outer membrane of the bag; the arc portion 1 abuts against the inner wall of the blast hole; and the distance between the bag and the arc portion 1 is suitable for installing the charge column;

[0014] The powder columns are arranged in multiple groups, and the multiple groups are bound by transmission ropes and arranged vertically.

[0015] In a further technical solution, a fixing clamp is installed on the outer side of the top position plate, and the fixing clamp includes a plate member 1, and the plate member 1 is fixedly installed on the corresponding arc-shaped portion 2, and two groups are provided;

[0016] A rope-blocking plate is hingedly installed on the side of plate one facing away from the corresponding arc-shaped portion two, and a connecting spring is also installed between the rope-blocking plate and plate one, one end of the connecting spring is fixedly connected to the rope-blocking plate, and the other end is fixedly connected to the corresponding plate one; a bending opening is provided on the rope-blocking plate, and the two groups of rope-blocking plates are symmetrically distributed.

[0017] In a further technical solution, a positioning hole is provided on the closing plate, and the positioning hole is suitable for installing a positioning bolt at the bottom of the blasthole; the outer diameter of the closing plate is larger than the outer diameter of the blasthole;

[0018] A reserved hole is arranged on the closing plate, and the reserved hole is suitable for the tension rope to pass through. A fixed handle is arranged at the bottom of the closing plate, and the fixed wrench is suitable for fixing the tension rope.

[0019] In a further technical solution, a fixing tube is installed between adjacent position plates, a fixing ring is provided at the outer end of the arc-shaped portion, and the upper and lower ends of the fixing tube are fixedly connected to the fixing rings in the position plates on the upper and lower sides respectively.

[0020] In a further technical solution, a ball seat and a ball are installed between the arc-shaped portion 1 and the constraint ring, and the ball slides with the outer wall of the medicine package.

[0021] The method for using the upward charging blocking device is characterized by comprising the following steps:

[0022] Step 1, moving the base to the bottom of the blasthole, adjusting the position so that the closing plate can close the bottom of the blasthole, and the closing plate can be connected to the bottom of the blasthole;

[0023] Step 2, install the bladder bag, and close the one-way valve, pressure pump and high-pressure pump; arrange the position of the bladder bag, and first supply air to the pressure pump, and use equipment to observe whether the position plate distribution of the bladder bag filled with gas ensures the coaxial distribution; adjust the inflation volume;

[0024] Step 3, first fill the preheating cylinder with the cured composite material, adjust the fluidity, and allow the diaphragm pump to fill the material until the cooling tube is cured;

[0025] Step 4, pump the mixed concrete into the pressure pump, the concrete volume is the volume of the inflation volume minus the filling volume of the cured composite material, and the excess range is not higher than 5%; the initial setting time is not less than 1 hour; after solidification, close the valve, connecting pipes and inlet pipes;

[0026] Step 5, install multiple groups of explosives and connect them through transmission ropes; pull down the tension rope at one end and put in the explosives one by one at the other end;

[0027] Step 6, the bottom end of the tension rope passes through the closing plate and is fixed on the fixed handle;

[0028] Step 7, fix the closing plate upward and bolt it to the top of the blast hole; and install columns at the bottom of the closing plate for support.

[0029] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] The present invention uses a lifting rod and a cross-connecting rod to maintain the rise of the middle plate, so that the closing plate is lifted at the bottom of the blasthole to achieve connection, which is convenient for the later use of bolts and other fasteners to connect to the bottom of the blasthole; by fixing the solidified composite material to form an outer shell, the interior is filled with concrete to fasten the fixed pulley used to support the top, so as to achieve a support effect within a distance. The top tension rope is used to pull multiple groups of powder columns. The fixing clamp installed on the top ensures that the tension rope moves upward with the filling when the bag is filled. By having multiple groups of position plates lean against the inner wall of the blasthole, the filling direction of the bag can be constrained, and the coaxial interval can be ensured to facilitate the lifting of the powder column. The ball in the position plate reduces the friction of the powder column in the position plate, reducing the risk of flammability and explosion. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic cross-sectional view of the plugging device for upward charging of the present invention;

[0033] Figure 2 It is a structural schematic diagram of the position plate of the present invention;

[0034] Figure 3 It is a schematic diagram of the structure of the fixing clip of the present invention;

[0035] Figure 4 A schematic diagram of the plugging device of the upward charge of the present invention being installed and closed in a blast hole;

[0036] Figure 5 It is a schematic cross-sectional structural diagram of a plugging device for upward charging of Example 2 of the present invention;

[0037] Figure 6 It is a connection diagram of two sets of position plates in the present invention.

[0038] In the figure: base; 2, cross connecting rod; 3, lifting rod; 4, middle plate; 5, bladder; 6, fixed pulley; 7, tension rope; 8, position plate; 9, blast hole; 10, closing plate; 11, cured composite material; 12, preheating tube; 13, closing one; 14, closing two; 15, connecting pipe; 16, diaphragm pump; 17, inlet pipe; 18, pressure pump; 19, concrete; 20, connecting column; 21, guide rod; 22, limit ring; 23, powder column; 24, fixing clamp; 25, positioning bolt; 26, fixing handle; 27, fixing tube; 28, fixing ring; 29, ball; 30, restraining ring; 51, inner membrane; 52, outer membrane; 81, arc part one; 82, arc part two; 241, plate one; 242, rope stop plate; 243, connecting spring. DETAILED DESCRIPTION

[0039] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0040] Example 1

[0041] See also Figure 1-4, which is a technical solution of the present invention, a blocking device for upward charging, comprises a base 1, on which a lifting mechanism is installed, the lifting mechanism comprises a cross-link 2 and a lifting rod 3, the lifting rod 3 is installed in the middle of the cross-link 2; a middle plate 4 is installed on the top of the lifting rod 3; the bottom of the cross-link 2 is hinged to the base 1, and the top of the cross-link 2 is hinged to the middle plate 4; the lifting rod adopts an electric push rod or a rod that can be lifted to realize the lifting or lowering of the middle plate.

[0042] A bag 5 is installed above the middle plate 4, and a high-pressure inlet is installed at the bottom of the bag 5, and a cured composite material 11 is suitable for filling the bag 5 from the high-pressure inlet; a pulley seat and a fixed pulley 6 are installed on the top of the bag 5, and a tension rope 7 is installed on the fixed pulley 6; a position plate 8 is installed on the bag 5, and the outer surface of the position plate 8 is suitable for abutting against the inner wall of the blast hole 9;

[0043] A closing plate 10 is installed on the middle plate 4 , and the closing plate 10 is suitable for sealing the bottom of the blast hole 9 .

[0044] like Figure 4 As shown, the bottom of the bag 5 is provided with a closing portion and is mounted on the closing plate 10; the cured composite material 11 includes epoxy resin and curing agent, and a preheating cylinder 12 is installed on the middle plate 4, and the preheating cylinder 12 is filled with epoxy resin and curing agent. Epoxy resin is often used in coatings or to improve the wear resistance of the surface of materials. In combination with curing agent and cross-linking agent, especially some high-hardness reinforced epoxy resin, the material formed by the curing reaction has a strong hardness. For example, epoxy resin can be combined with alicyclic amine.

[0045] The pouch 5 includes an inner film 51 and an outer film 52, the closing portion includes a closing 13 and a closing 2 14, the bottom side of the outer film 52 is provided with a closing 13, a connecting pipe 15 and a diaphragm pump 16 are installed outside the closing 13, and the diaphragm pump 16 is connected to the preheating cylinder 12; the preheating cylinder can ensure the fluidity of the cured composite material before pumping.

[0046] The bottom of the inner film 51 is provided with a second closing port 14, which is located between the closing plate 10 and the middle plate 4 and is provided with a one-way valve, which is connected to an inlet pipe 17, and a pressure pump 18 is provided outside the inlet pipe 17;

[0047] Concrete 19 is filled into the inlet pipe 17 , and the cured composite material 11 is filled into the preheating cylinder 12 .

[0048] like Figure 1As shown, a connecting column 20 is installed between the middle plate 4 and the closing plate 10, and the two ends of the connecting column 20 are detachably connected to the middle plate 4 and the closing plate 10 respectively; a guide rod 21 is installed on the base 1, and the guide rod 21 is suitable for passing through the middle plate 4 and installing a limiting ring 22. Multiple groups of position plates 8 are installed on the bladder 5, and a restraining ring 30 is sleeved on the outer membrane 52 of the bladder 5; the position plate 8 includes an arc-shaped portion 1 81 and an arc-shaped portion 2 82, and the arc-shaped portion 2 82 and the restraining ring 30 are arranged coaxially with the bladder 5 and fixedly installed on the outer membrane 52 of the bladder 5; the arc-shaped portion 1 81 abuts against the inner wall of the blast hole 9; and the distance between the bladder 5 and the arc-shaped portion 1 81 is suitable for installing the drug column 23; the drug column 23 is provided with multiple groups, and the multiple groups are bound by transmission ropes and arranged vertically.

[0049] like Figure 3 As shown, a fixing clamp 24 is installed on the outer side of the top position plate 8, and the fixing clamp 24 includes a plate member 241, and the plate member 241 is fixedly installed on the corresponding arc-shaped portion 82, and two groups are provided; a rope-blocking plate 242 is hingedly installed on the side of the plate member 241 facing away from the corresponding arc-shaped portion 82, and a connecting spring 243 is also installed between the rope-blocking plate 242 and the plate member 241, one end of the connecting spring 243 is fixedly connected to the rope-blocking plate 242, and the other end is fixedly connected to the corresponding plate member 241; a bending opening is provided on the rope-blocking plate 242, and the two groups of rope-blocking plates 242 are symmetrically distributed.

[0050] A positioning hole is provided on the closing plate 10, and the positioning hole is suitable for installing a positioning bolt 25 at the bottom of the blast hole 9; the outer diameter of the closing plate 10 is larger than the outer diameter of the blast hole 9; a reserved hole is provided on the closing plate 10, and the reserved hole is suitable for the tension rope 7 to pass through, and a fixed handle 26 is provided at the bottom of the closing plate 10, and the fixed wrench is suitable for fixing the tension rope 7.

[0051] Example 2

[0052] like Figure 5 and 6 As shown, it is another embodiment of the present invention. On the basis of Example 1, a fixing cylinder 27 is installed between adjacent position plates 8, and a fixing ring 28 is provided at the outer end of the arc-shaped portion 1 81. The upper and lower ends of the fixing cylinder 27 are respectively fixedly connected to the fixing rings 28 in the position plates 8 on the upper and lower sides. A ball seat and a ball 29 are installed between the arc-shaped portion 1 81 and the constraint ring 30, and the ball 29 slides with the outer wall of the medicine bag. The constraint ring is provided to ensure the deformation direction of the bag filled with concrete and cured composite material.

[0053] The method for using the upward charging blocking device is characterized by comprising the following steps:

[0054] Step 1, move the base 1 to the bottom of the blast hole 9, adjust the position so that the closing plate 10 can close the bottom of the blast hole 9, and the closing plate 10 can be connected to the bottom of the blast hole 9;

[0055] Step 2, install the bag 5, and close the one-way valve, the pressure pump 18 and the high-pressure pump; arrange the position of the bag 5, and first introduce air into the pressure pump 18, and use equipment to observe whether the position plate 8 distribution of the bag 5 filled with gas ensures the coaxial distribution; adjust the inflation volume;

[0056] Step 3, first fill the preheating cylinder 12 with the cured composite material 11, adjust the fluidity so that the diaphragm pump 16 fills the material until the cooling tube is solidified; and ensure the space and the position area where the cured composite material is pumped in for filling by passing gas.

[0057] Step 4, pump the stirred concrete 19 into the pressure pump 18, the volume of the concrete 19 is the volume of the air volume minus the filling volume of the cured composite material 11, and the excess range is not higher than 5%; the initial setting time is not less than 1 hour; after solidification, close the valve, the connecting pipe 15 and the inlet pipe 17;

[0058] Step 5, install multiple groups of explosives 23 and connect them through transmission ropes; pull down the tension rope 7 at one end and put the explosives 23 one by one at the other end;

[0059] Step 6, the bottom end of the tension rope 7 passes through the closing plate 10 and is fixed on the fixed handle 26;

[0060] Step 7, fix the closing plate 10 upward and bolt it to the top of the blast hole 9; and install a column at the bottom of the closing plate 10 for support. During blasting, a mounting hole is opened in advance on the closing plate and a detonator is installed, and the distance between the detonator and the lowest position of the explosive column is required to be no more than 0.5m.

Claims

1. A plugging device for upward charging, characterized in that: The invention comprises a base (1), wherein a lifting mechanism is installed on the base (1), wherein the lifting mechanism comprises a cross connecting rod (2) and a lifting rod (3), wherein the lifting rod (3) is installed in the middle of the cross connecting rod (2); a middle plate (4) is installed on the top of the lifting rod (3); the bottom of the cross connecting rod (2) is hingedly connected to the base (1), and the top of the cross connecting rod (2) is hingedly connected to the middle plate (4); A bag (5) is installed above the middle plate (4), and a high-pressure inlet is installed at the bottom of the bag (5), and the bag (5) is suitable for filling and curing composite materials (11) from the high-pressure inlet; a pulley seat and a fixed pulley (6) are installed on the top of the bag (5), and a tension rope (7) is installed on the fixed pulley (6); a position plate (8) is installed on the bag (5), and the outer surface of the position plate (8) is suitable for abutting against the inner wall of the blast hole (9); A closing plate (10) is installed on the middle plate (4), and the closing plate (10) is suitable for sealing the bottom of the blast hole (9).

2. The upward charging plugging device according to claim 1, characterized in that: The bottom of the bag (5) is provided with a closing portion and is mounted on a closing plate (10); The cured composite material (11) comprises epoxy resin and a curing agent, and a preheating cylinder (12) is installed on the middle plate (4), and the preheating cylinder (12) is filled with epoxy resin and the curing agent.

3. The upward charging plugging device according to claim 1, characterized in that: The pouch (5) comprises an inner film (51) and an outer film (52), the closing portion comprises a closing first (13) and a closing second (14), the closing first (13) is arranged on the bottom side of the outer film (52), a connecting pipe (15) and a diaphragm pump (16) are installed outside the closing first (13), and the diaphragm pump (16) is connected to the preheating cylinder (12); The bottom of the inner membrane (51) is provided with a second closing opening (14), which is located between the closing plate (10) and the middle plate (4) and is equipped with a one-way valve, which is connected to an inlet pipe (17), and a pressure pump (18) is installed outside the inlet pipe (17); Concrete (19) is filled into the inlet pipe (17), and the curing composite material (11) is filled into the preheating cylinder (12).

4. The upward charging plugging device according to claim 1, characterized in that: A connecting column (20) is installed between the middle plate (4) and the closing plate (10), and two ends of the connecting column (20) are detachably connected to the middle plate (4) and the closing plate (10) respectively; A guide rod (21) is installed on the base (1), and the guide rod (21) is suitable for passing through the middle plate (4) and being installed with a limit ring (22).

5. The upward charging plugging device according to claim 1, characterized in that: The bag (5) is provided with a plurality of position plates (8), and a restraining ring (30) is sleeved on the outer membrane (52) of the bag (5); the position plate (8) comprises an arc-shaped portion 1 (81) and an arc-shaped portion 2 (82); the arc-shaped portion 2 (82) and the restraining ring (30) are arranged coaxially with the bag (5) and are fixedly installed on the outer membrane (52) of the bag (5); the arc-shaped portion 1 (81) is in contact with the inner wall of the blast hole (9); and the distance between the bag (5) and the arc-shaped portion 1 (81) is suitable for installing the charge column (23); The drug columns (23) are arranged in multiple groups, and the multiple groups are bound by transmission ropes and arranged vertically.

6. The upward charging plugging device according to claim 1, characterized in that: A fixing clamp (24) is installed on the outer side of the top position plate (8), and the fixing clamp (24) includes a plate member 1 (241). The plate member 1 (241) is fixedly installed on the corresponding arc-shaped portion 2 (82), and two groups are provided. A rope-blocking plate (242) is hingedly installed on the side of the plate member 1 (241) facing away from the corresponding arc-shaped portion 2 (82), and a connecting spring (243) is also installed between the rope-blocking plate (242) and the plate member 1 (241), one end of the connecting spring (243) is fixedly connected to the rope-blocking plate (242), and the other end is fixedly connected to the corresponding plate member 1 (241); a bending opening is provided on the rope-blocking plate (242), and two groups of rope-blocking plates (242) are symmetrically distributed.

7. The upward charging plugging device according to claim 1, characterized in that: The closing plate (10) is provided with a positioning hole, and the positioning hole is suitable for installing a positioning bolt (25) at the bottom of the blast hole (9); the outer diameter of the closing plate (10) is larger than the outer diameter of the blast hole (9); A reserved hole is provided on the closing plate (10), the reserved hole is suitable for the pulling rope (7) to pass through, and a fixed handle (26) is provided at the bottom of the closing plate (10), and the fixed wrench is suitable for fixing the pulling rope (7).

8. The upward charging plugging device according to claim 1, characterized in that: A fixing tube (27) is installed between adjacent position plates (8), a fixing ring (28) is provided at the outer end of the arc-shaped portion (81), and the upper and lower ends of the fixing tube (27) are fixedly connected to the fixing rings (28) in the position plates (8) at the upper and lower sides respectively.

9. The upward charging plugging device according to claim 1, characterized in that: A ball seat and a ball (29) are installed between the arc-shaped portion 1 (81) and the restraining ring (30), and the ball (29) slides with the outer wall of the medicine bag.

10. A method for using a plugging device for upward charging, characterized in that: The following steps are involved: Step 1, moving the base (1) to the bottom of the blast hole (9), adjusting the position so that the closing plate (10) can close the bottom of the blast hole (9), and the closing plate (10) can be connected to the bottom of the blast hole (9); Step 2, installing the bladder (5), and closing the one-way valve, the pressure pump (18) and the high-pressure pump; arranging the position of the bladder (5), and first introducing air supply into the pressure pump (18), using equipment to observe whether the position plate (8) of the bladder (5) after being filled with gas ensures coaxial distribution; adjusting the inflation amount; Step 3, first fill the preheating cylinder (12) with the cured composite material (11), and adjust the fluidity so that the diaphragm pump (16) fills the material into the cooling tube to solidify; Step 4, pumping the stirred concrete (19) into the pressure pump (18), wherein the volume of the concrete (19) is the volume of the air volume minus the filling volume of the cured composite material (11), and the excess is not more than 5%; the initial setting time is not less than 1 hour; after solidification, the valve, the connecting pipe (15) and the inlet pipe (17) are closed; Step 5, installing multiple groups of explosive columns (23) and connecting them through transmission ropes; pulling down the tension rope (7) at one end and placing the explosive columns (23) one by one at the other end; Step 6, the bottom end of the tension rope (7) passes through the closing plate (10) and is fixed on the fixed handle (26); Step 7, fix the closing plate (10) upward and bolt it to the top of the blast hole (9); and install a column at the bottom of the closing plate (10) for support.

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