Coal field fire extinguishing blasting tube filling and plugging device

Abstract

The utility model relates to the technical field of coal field fire extinguishing blasting filling and plugging, in particular to a coal field fire extinguishing blasting pipe filling and plugging device which comprises a plugging column, a rotating rod is connected into the plugging column in a penetrating mode, a rotating shaft is fixedly connected to the lower end face of the rotating rod, and first bevel gears are connected to the upper end and the lower end of the exterior of the rotating shaft in a sleeved mode. Second bevel gears are connected to one ends of the two first bevel gears in a meshed mode, double-end lead screws are connected to the interiors of the two second bevel gears in a penetrating mode, threaded blocks are connected to the left sides and the right sides of the exteriors of the two double-end lead screws in a meshed and sleeved mode, and connecting rods penetrating through the plugging columns are fixedly connected to one ends of the four threaded blocks; a supporting plate located on one side of the plugging column is fixedly connected between the upper connecting rod and the lower connecting rod, and a plurality of evenly-arranged anti-skid protrusions are fixedly connected to the surface of the supporting plate. Through the adjustable function of the supporting plate, the supporting plate can be adjusted according to the diameter of a hole, it is guaranteed that the supporting plate is completely attached to the inner wall, and the plugging effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coalfield fire extinguishing and blasting filling and plugging technical field especially relates to coalfield fire extinguishing and blasting pipe filling and plugging device. BACKGROUND

[0002] The fire prevention and plugging material is the main raw material for plugging the gas extraction drill hole and the coal seam fissure, under the high pressure of the grouting pump, the slurry is sprayed on the surface of the coal seam or filled and penetrated into the coal seam drill hole and the surrounding fissure to form a cementation surface with the coal, which produces a drill hole support stress to improve the stability and bearing capacity of the coal and rock mass, effectively plugs the gas leakage channel of the coal seam gas extraction drill hole, the traditional organic fire prevention and plugging material has the advantages of low viscosity, strong adhesion and easy penetration into fine fissures, but the material has the characteristics of high toxicity, poor flame retardancy and high cost, which limits the application in the fire prevention and plugging practice in the coal mine, when the coal is mined in the coal mine field, gunpowder is often used to blast the ore body, the gunpowder is inserted into the blast hole after the ore body is drilled to a certain depth, in order to improve the blasting quality and efficiency, the blast hole is plugged, so that the blasting force is concentrated around the gunpowder.

[0003] For the prior art patent number CN218469675U, a kind of plugging device for deep hole blasting is disclosed, including installation box, the side surface of the installation box is fixedly installed with plugging column, the plugging column is provided with installation slot in one end, the installation slot is provided with buffer plate, the side surface of the buffer plate is fixedly installed with conical conical buffer block, the plugging column is slidably installed with several inserting rods, the outer surface of the plugging column is provided with four clamping plates, the side surface of four clamping plates is fixedly installed with connecting plate, the connecting plate is slidably installed on installation box, the installation box is provided with adjusting mechanism for adjusting the distance between four connecting plates;The utility model sets up buffer plate and conical buffer block, utilizes buffer plate and conical buffer block to buffer impact, simultaneously by setting conical buffer block as conical, impact force can be dispersed, further improve the effect of buffering;By setting clamping plate, connecting plate and adjusting mechanism, the distance between connecting plate is adjusted by adjusting mechanism, connecting plate movement drives clamping plate synchronous movement, so as to be able to fix the device in blast hole, improve the stability of use, it is convenient to operate and use;By setting inserting rod, connecting rod and spring, the elasticity of spring is used to drive buffer plate and conical buffer block to return to original position quickly, simultaneously can further buffer effect to buffer plate and conical buffer block, when conical buffer block and buffer plate receive impact force, conical buffer block drives buffer plate to move towards installation slot, simultaneously buffer plate movement process will drive connecting rod to rotate, makes connecting rod push inserting rod to move outward, makes inserting rod insert into blast hole inner wall, the greater the force, the deeper the insertion of inserting rod, further improve the fixing effect, so as to be able to reduce the situation that device is ejected from blast hole.

[0004] However, existing filling and sealing devices tend to slip during use, causing gaps in the sealing holes. This can lead to the device falling off during sealing, resulting in a poor sealing effect. Furthermore, they cannot be adjusted for holes of different diameters, requiring sealing devices of different sizes, which leads to a significant time wastage in device replacement and affects subsequent work efficiency. Utility Model Content

[0005] To overcome the problems of existing sealing devices not being able to be adjusted according to the diameter of the hole during sealing, and the existence of gaps during the sealing process, which prevents them from sealing effectively, increasing the workload and reducing the sealing effect when replacing them.

[0006] The technical solution of this utility model is as follows: a filling and sealing device for a coalfield fire extinguishing blasting pipe, comprising a sealing column, a rotating rod connected through the inside of the sealing column, a rotating shaft fixedly connected to the lower end face of the rotating rod, first bevel gears sleeved at both the upper and lower ends of the rotating shaft, second bevel gears meshing at one end of each of the two first bevel gears, double-ended screw rods connected through the inside of each of the two second bevel gears, threaded blocks meshing on the left and right sides of the two double-ended screw rods, a connecting rod connected through the sealing column at one end of each of the four threaded blocks, a support plate fixedly connected between the upper and lower connecting rods and located on one side of the sealing column, and multiple evenly arranged anti-slip protrusions fixedly connected to the surface of the support plate.

[0007] Preferably, the rotation of the shaft drives the meshing rotation of the first bevel gear and the second bevel gear, causing the double-ended lead screw to rotate. The threaded blocks sleeved on the left and right sides of the double-ended lead screw are displaced in the opposite direction, which in turn drives the displacement of the connecting rod. The connecting rod drives the support plate to move, which can be adjusted according to the requirements to ensure the sealing effect.

[0008] Preferably, an installation plate is fixedly connected to the upper end face of the sealing column, and a conical buffer block is provided below the sealing column.

[0009] Preferably, a handle is fixedly connected to the upper end of the rotating rod, the handle has a hollowed-out interior, and an anti-slip sleeve is fixedly connected to the surface of the handle.

[0010] Preferably, through holes are provided inside both the upper and lower ends of the rotating shaft, and the two double-ended lead screws are connected to the rotating shaft through the through holes.

[0011] Preferably, a support rod is fixedly connected between the upper and lower threaded blocks.

[0012] Preferably, the sealing column has an internal cavity.

[0013] Preferably, the upper end face of the conical buffer block is fixedly connected to a buffer plate located inside the sealing column.

[0014] The coalfield fire extinguishing and blasting pipe filling and plugging device has the advantages that the stretching and retracting displacement movement of the support plate is driven by the connecting rod at one end of the threaded block, the stretching and retracting displacement movement can be adjusted by the diameter of the hole, the support plate is ensured to be attached to the inner wall, and the plugging efficiency is improved.

[0015] The coalfield fire extinguishing and blasting pipe filling and plugging device has the advantages that the stretching and retracting displacement movement of the support plate is driven by the connecting rod at one end of the threaded block, the stretching and retracting displacement movement can be adjusted by the diameter of the hole, the support plate is ensured to be attached to the inner wall, and the plugging efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The coalfield fire extinguishing and blasting pipe filling and plugging device has the advantages that the stretching and retracting displacement movement of the support plate is driven by the connecting rod at one end of the threaded block, the stretching and retracting displacement movement can be adjusted by the diameter of the hole, the support plate is ensured to be attached to the inner wall, and the plugging efficiency is improved.

[0017] Figure 2 The coalfield fire extinguishing and blasting pipe filling and plugging device has the advantages that the stretching and retracting displacement movement of the support plate is driven by the connecting rod at one end of the threaded block, the stretching and retracting displacement movement can be adjusted by the diameter of the hole, the support plate is ensured to be attached to the inner wall, and the plugging efficiency is improved.

[0018] Figure 3 The coalfield fire extinguishing and blasting pipe filling and plugging device has the advantages that the stretching and retracting displacement movement of the support plate is driven by the connecting rod at one end of the threaded block, the stretching and retracting displacement movement can be adjusted by the diameter of the hole, the support plate is ensured to be attached to the inner wall, and the plugging efficiency is improved.

[0019] Figure 4 The coalfield fire extinguishing and blasting pipe filling and plugging device has the advantages that the stretching and retracting displacement movement of the support plate is driven by the connecting rod at one end of the threaded block, the stretching and retracting displacement movement can be adjusted by the diameter of the hole, the support plate is ensured to be attached to the inner wall, and the plugging efficiency is improved. Figure 3 The coalfield fire extinguishing and blasting pipe filling and plugging device has the advantages that the stretching and retracting displacement movement of the support plate is driven by the connecting rod at one end of the threaded block, the stretching and retracting displacement movement can be adjusted by the diameter of the hole, the support plate is ensured to be attached to the inner wall, and the plugging efficiency is improved.

[0020] Figure 5 The coalfield fire extinguishing and blasting pipe filling and plugging device has the advantages that the stretching and retracting displacement movement of the support plate is driven by the connecting rod at one end of the threaded block, the stretching and retracting displacement movement can be adjusted by the diameter of the hole, the support plate is ensured to be attached to the inner wall, and the plugging efficiency is improved.

[0021] Reference Signs List: 1, plugging column; 2, conical buffer block; 3, support plate; 4, rotating rod; 5, handle; 6, mounting plate; 7, double-headed screw rod; 8, support rod; 9, rotating shaft; 10, inner cavity; 11, first bevel gear; 12, connecting rod; 13, threaded block; 14, through hole; 15, second bevel gear; 16, anti-skid protrusion. DETAILED DESCRIPTION

[0022] The coalfield fire extinguishing and blasting pipe filling and plugging device has the advantages that the stretching and retracting displacement movement of the support plate is driven by the connecting rod at one end of the threaded block, the stretching and retracting displacement movement can be adjusted by the diameter of the hole, the support plate is ensured to be attached to the inner wall, and the plugging efficiency is improved.

[0023] Please refer to Figures 1-5The utility model provides a kind of embodiment: coalfield fire extinguishing blasting pipe filling plugging device, including plugging column 1, the inside of plugging column 1 is connected with rotating rod 4, the lower end surface of rotating rod 4 is fixedly connected with rotating shaft 9, the upper and lower two ends of rotating shaft 9 outside are all sleeved with first bevel gear 11, one end of two first bevel gears 11 is all engaged with second bevel gear 15, the inside of two second bevel gears 15 is all connected with double-end screw rod 7, the left and right sides of the outside of two double-end screw rods 7 are all engaged with thread block 13, one end of four thread blocks 13 is all fixedly connected with the connecting rod 12 that is connected with plugging column 1, between upper and lower two connecting rods 12, support plate 3 located at one side of plugging column 1 is fixedly connected, the surface of support plate 3 is fixedly connected with multiple evenly arranged antiskid protrusions 16, as shown in Figure 4 As shown, including first bevel gear 11 and second bevel gear 15, in the present application, the structure of first bevel gear 11 and second bevel gear 15 is the prior art, in this application, the structure and components in first bevel gear 11 and second bevel gear 15 or its connection relationship are not described in detail, so the above structure and connection relationship are prior art, the components in first bevel gear 11 and second bevel gear 15 are not improved by applicant.

[0024] Please refer to Figure 1 And Figure 4 In the embodiment, the upper end surface of plugging column 1 is fixedly connected with mounting plate 6, the lower of plugging column 1 is provided with conical buffer block 2, the upper end surface of rotating rod 4 is fixedly connected with handle 5, the inside of handle 5 is provided with hollow, the surface of handle 5 is fixedly connected with antiskid sleeve, the inside of the upper and lower two ends of rotating shaft 9 is all provided with through hole 14, two double-end screw rods 7 are all connected through through hole 14 with rotating shaft 9, by rotating handle 5, handle 5 drives the rotating rod 4 connected to start rotating, when rotating rod 4 rotates, then the lower end connected rotating shaft 9 is rotated, the rotation of rotating shaft 9 drives the rotation of the two first bevel gears 11 of the upper and lower two ends outside the sleeve, and the two first bevel gears 11 rotate, the second bevel gear 15 meshingly connected to one side of it is rotated, and the double-end screw rod 7 inside the connection is rotated at the same time.

[0025] Please refer to Figures 3-4 In the embodiment, support rod 8 is fixedly connected between upper and lower two thread blocks 13, inner cavity 10 is provided in the inside of plugging column 1, the upper end surface of conical buffer block 2 is fixedly connected with buffer plate located in the inside of plugging column 1, when double-end screw rod 7 rotates, the thread block 13 of the outside left and right sides is displaced to one side, simultaneously drive connecting rod 12 to move, then the support plate 3 connected to one end of connecting rod 12 is stretched to the outside, can be adjusted according to the diameter of hole, ensure that support plate 3 is in contact with inner wall, improve its plugging effect.

[0026] When working, the handle 5 is rotated to drive the connected rotating rod 4 to rotate, and when the rotating rod 4 rotates, the lower end connected rotating shaft 9 is driven to rotate, the rotating shaft 9 drives the two first bevel gears 11 sleeved on the upper and lower ends of the outer portion to rotate, and the two first bevel gears 11 rotate at the same time, the second bevel gear 15 meshed and connected on one side of the first bevel gear 11 rotates at the same time, and drives the double-headed screw rod 7 connected in the inner portion to rotate, when the double-headed screw rod 7 rotates, the threaded block 13 sleeved on the left and right sides of the outer portion is displaced to one side at the same time, and drives the connecting rod 12 to move, and the support plate 3 connected to one end of the connecting rod 12 is stretched to the outside, which can be adjusted according to the diameter of the hole, ensures that the support plate 3 is in contact with the inner wall, and improves the plugging effect.

[0027] Through the above steps, when the rotating shaft 9 rotates, the first bevel gear 11 on the outer portion is driven to rotate, the second bevel gear 15 meshed and connected on one side of the first bevel gear 11 rotates at the same time, and the double-headed screw rod 7 penetrated in the inner portion of the second bevel gear 15 starts to rotate, so as to solve the problem that the existing plugging device cannot be adjusted according to the diameter of the hole when plugging, and there is a certain gap in the plugging process, which cannot be well plugged, and the work load is large when replacing, and the plugging effect is poor.

Claims

1. A coal field fire extinguishing blasting pipe filling and plugging device, comprising a plugging column (1), characterized in that: The inside of the plugging column (1) is connected with a rotating rod (4) penetratingly, the lower end surface of the rotating rod (4) is fixedly connected with a rotating shaft (9), the upper and lower two ends of the rotating shaft (9) are both sleeved with first bevel gears (11) outside, one end of the two first bevel gears (11) is both meshingly connected with second bevel gears (15), the inside of the two second bevel gears (15) is both connected with double-headed screws (7) penetratingly, the left and right sides of the two double-headed screws (7) are both meshingly sleeved with threaded blocks (13) outside, one end of the four threaded blocks (13) is both fixedly connected with connecting rods (12) penetrating the plugging column (1), the upper and lower two connecting rods (12) are fixedly connected with a support plate (3) located on one side of the plugging column (1), the surface of the support plate (3) is fixedly connected with a plurality of evenly arranged anti-skid protrusions (16).

2. The coalfield fire extinguishing blasting pipe filling and plugging device according to claim 1, characterized in that: The upper end surface of the plugging column (1) is fixedly connected with a mounting plate (6), and the lower part of the plugging column (1) is provided with a conical buffer block (2).

3. The coalfield fire extinguishing blasting pipe filling and plugging device according to claim 1, characterized in that: The upper end surface of the rotating rod (4) is fixedly connected with a handle (5), the inside of the handle (5) is provided with an opening, and the surface of the handle (5) is fixedly connected with an anti-skid sleeve.

4. The coalfield fire extinguishing blasting pipe filling and plugging device according to claim 1, characterized in that: The inside of the upper and lower two ends of the rotating shaft (9) is both provided with a through hole (14), and the two double-headed screws (7) and the rotating shaft (9) are both connected penetratingly through the through hole (14).

5. The coalfield fire extinguishing blasting pipe filling and plugging device according to claim 1, characterized in that: The upper and lower two threaded blocks (13) are fixedly connected with a support rod (8).

6. The coalfield fire extinguishing blasting pipe filling and plugging device according to claim 1, characterized in that: The inside of the plugging column (1) is provided with an inner cavity (10).

7. The coalfield fire extinguishing blasting pipe filling and plugging device according to claim 2, characterized in that: The upper end surface of the conical buffer block (2) is fixedly connected with a buffer plate located in the inside of the plugging column (1).

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