Guniting conveying supercharging device
By designing a spray conveying booster device for mine construction, the problem of insufficient air pressure caused by the long distance of the feed pipe is solved, and safe and reliable spraying conveying is achieved through the design of the adjustment and ventilation mechanism.
Patent Information
- Application Number
- CN202421394351.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-18
AI Technical Summary
During mine construction, the distance between the feed pipes is too far, resulting in insufficient wind pressure, which makes it impossible to spray and convey effectively, and there are safety hazards when operating on the climbing platform.
A spraying conveying booster device is designed, including a fixed pipe, a mobile connecting pipe, an adjustment mechanism and a ventilation mechanism. The position of the moving connection pipe is adjusted through the adjustment mechanism and connected to the feed pipe; the compressed air is introduced through the ventilation mechanism to perform pressurized spraying.
The position of the connecting pipe is adjusted according to the distance of the feed pipe, ensuring effective connection and boosting spraying, solving the problem of insufficient air pressure, and improving construction safety by eliminating the operation of the climbing platform.
Smart Images
Figure CN222596091U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of boosting devices, in particular to a shotcrete conveying boosting device. Background Art
[0002] When the height of the mine construction tunnel exceeds 3 meters, the distance of the feed pipe exceeds 40 meters, the wind pressure is too small, the construction quality does not meet the standards, and the shotcrete cannot be output. The original use of a climbing platform for shotcrete spraying posed an unsafe factor for personnel climbing up. Utility Model Content
[0003] In view of the deficiencies in the prior art, the utility model provides a shotcrete conveying and pressurizing device, which solves the problems raised by the above-mentioned background technology.
[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a shotcrete conveying and boosting device, comprising a fixed pipe, two movable connecting pipes are arranged inside the fixed pipe, two adjusting mechanisms are fixed to the outer wall of the fixed pipe, the adjusting mechanisms include a fixing bar, two screws and two nuts, a sealing mechanism is arranged inside the movable connecting pipe, the sealing mechanism includes a circular ring, multiple push rods, a pressure ring and a rubber ring, two ventilation mechanisms are fixed to the outer wall of the fixed pipe, the ventilation mechanism includes a circular pipe, a connecting tube, a first sealing plate, a second sealing plate, a fixed block, a connecting rod and a movable plate.
[0005] Preferably, the opposite sides of the two fixing strips are fixedly connected to the outer side wall of the fixing tube, the outer side wall of the screw is threadedly connected to the inside of the fixing strip, a gear is fixed to the outer side wall of the screw, a circular shell is fixed to the opposite sides of the two movable connecting tubes, a gear ring is rotatably connected to the inside of the circular shell, the gear ring is meshingly connected to the gear, one end of the screw away from the fixing strip is rotatably connected to the movable connecting tube, and the inner side wall of the nut is fixedly connected to the outer side wall of the screw.
[0006] Preferably, the outer wall of the movable connecting tube is provided with an annular fixing groove, and an annular movable groove is provided inside the two annular fixing grooves toward the back side, and an annular receiving groove is provided at the end of the movable connecting tube away from the fixed tube, the outer wall of the push rod is slidably connected to the inside of the movable connecting tube, and the two ends of the push rod are fixedly connected to the opposite sides of the pressure ring and the circular ring respectively.
[0007] Preferably, the inner side wall of the rubber ring is fixedly connected to the inner side wall of the annular fixed groove, the two rubber rings are provided with pressure grooves on the back sides, the pressure rings are located inside the annular movable groove, and multiple first springs are fixed on the back sides of the two pressure rings, and the other ends of the first springs are fixedly connected to the inside of the annular movable groove.
[0008] Preferably, the outer wall of the fixed block is fixedly connected to the inner wall of the circular tube, the outer wall of the connecting rod is slidably connected to the interior of the fixed block, and the outer wall of the first sealing plate, the outer wall of the second sealing plate and the outer wall of the movable plate are all slidably connected to the inner wall of the circular tube.
[0009] Preferably, a plurality of air holes penetrating left and right are provided on the left side of the first sealing plate, the second sealing plate, the outer side of the fixed block and the left side of the movable plate, the air holes provided on the first sealing plate and the air holes provided on the second sealing plate are staggered, a second spring is fixed between the fixed block and the movable plate, the second spring is sleeved on the outer side of the connecting rod, and the inner side wall of the circular tube and the outer side wall of the connecting cylinder are screwed.
[0010] The utility model provides a spraying conveying and pressurizing device. Compared with the prior art, it has the following beneficial effects:
[0011] 1. The shotcrete conveying and pressurizing device is provided with a sealing mechanism and an adjusting mechanism. A wrench is used to rotate the nut, the nut drives the screw to rotate, the screw drives the gear to rotate, the gear drives the gear ring to rotate, the gear ring drives other gears and the screw to rotate, the screw rotates and moves, and the screw moves with the movable connecting pipe. In this way, the position of the connecting pipe can be adjusted according to the distance between the conveying pipes, and the connection with the conveying pipe is convenient. After the movable connecting pipe is connected to the conveying pipe, the conveying pipe squeezes the circular ring, the circular ring pushes the push rod and the pressure ring to move, the pressure ring is inserted into the inside of the pressure groove, and the pressure ring squeezes the rubber ring to make the rubber ring and the fixed pipe in close contact.
[0012] 2. The shotcrete conveying and boosting device is provided with two ventilation mechanisms. According to the position of the mine air pressure device, the compressed air pipeline and the connecting cylinder are connected. The connecting cylinder is rotated, the connecting cylinder squeezes the movable plate, the movable plate pushes the connecting rod to move, and the connecting rod pushes the first sealing plate to move, so that the compressed air can enter the interior of the fixed pipe and then enter the conveying pipe for pressurization. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the structure of the utility model;
[0014] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;
[0015] Figure 3 It is a schematic cross-sectional structure diagram of the movable connecting pipe in the utility model;
[0016] Figure 4 It is a structural schematic diagram of the adjustment mechanism in the utility model;
[0017] Figure 5 It is a schematic cross-sectional structure diagram of the pressure ring and the rubber ring in the utility model.
[0018] In the figure: 1. round shell; 2. nut; 3. screw; 4. adjustment mechanism; 5. movable connecting pipe; 6. sealing mechanism; 7. ventilation mechanism; 8. round pipe; 9. fixed pipe; 10. pressure ring; 11. rubber ring; 12. first spring; 13. first sealing plate; 14. second sealing plate; 15. circular ring; 16. gear ring; 17. push rod; 18. connecting tube; 19. movable plate; 20. second spring; 21. air hole; 22. fixed block; 23. connecting rod; 24. fixing strip; 25. annular receiving groove; 26. annular movable groove; 27. annular fixed groove; 28. gear; 29. pressure groove. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-5The utility model provides a technical solution: a shotcrete conveying and pressurizing device, comprising a fixed pipe 9, two movable connecting pipes 5 are arranged inside the fixed pipe 9, two adjusting mechanisms 4 are fixed to the outer wall of the fixed pipe 9, the adjusting mechanism 4 comprises a fixing strip 24, two screws 3 and two nuts 2, a sealing mechanism 6 is arranged inside the movable connecting pipe 5, the sealing mechanism 6 comprises a circular ring 15, a plurality of push rods 17, a pressure ring 10 and a rubber ring 11, two ventilation mechanisms 7 are fixed to the outer wall of the fixed pipe 9, the ventilation mechanism 7 comprises a circular pipe 8, a connecting tube 18, a first sealing plate 13, a second sealing plate 14, a fixing block 22, a connecting The rod 23 and the movable plate 19, the opposite sides of the two fixed strips 24 are fixedly connected to the outer side wall of the fixed tube 9, the outer side wall of the screw rod 3 is screwed to the inside of the fixed strip 24, the outer side wall of the screw rod 3 is fixed with a gear 28, the opposite sides of the two movable connecting tubes 5 are fixed with a round shell 1, the inner side of the round shell 1 is rotatably connected with a gear ring 16, the gear ring 16 and the gear 28 are meshed and connected, the end of the screw rod 3 away from the fixed strip 24 is rotatably connected to the movable connecting tube 5, the inner side wall of the nut 2 is fixedly connected to the outer side wall of the screw rod 3, the outer side wall of the movable connecting tube 5 is provided with an annular fixing groove 27, and the inner sides of the two annular fixing grooves 27 are both opened toward the back side. There is an annular movable groove 26, an annular receiving groove 25 is provided at one end of the mobile connecting tube 5 away from the fixed tube 9, the outer wall of the push rod 17 is slidably connected to the inside of the mobile connecting tube 5, the two ends of the push rod 17 are respectively fixedly connected to the opposite sides of the pressure ring 10 and the circular ring 15, the inner side wall of the rubber ring 11 is fixedly connected to the inner side wall of the annular fixed groove 27, the back sides of the two rubber rings 11 are provided with a pressure groove 29, the pressure ring 10 is located inside the annular movable groove 26, and the back sides of the two pressure rings 10 are fixed with a plurality of first springs 12, the other end of the first spring 12 is fixedly connected to the inside of the annular movable groove 26, and a wrench is used to turn the Move the nut 2, the nut 2 rotates with the screw 3, the screw 3 rotates with the gear 28, the gear 28 rotates with the gear ring 16, the gear ring 16 rotates with other gears 28 and the screw 3, the screw 3 rotates and moves, the screw 3 moves and moves with the mobile connecting tube 5, so that the position of the mobile connecting tube 5 can be adjusted according to the distance between the feed pipes, and the connection with the feed pipe is convenient. After the mobile connecting tube 5 is connected to the feed pipe, the feed pipe squeezes the ring 15, the ring 15 pushes the push rod 17 and the pressing ring 10 to move, the pressing ring 10 is inserted into the inside of the pressing groove 29, and the pressing ring 10 squeezes the rubber ring 11, so that the rubber ring 11 and the fixed tube 9 are in close contact.
[0021] Furthermore, the outer wall of the fixed block 22 is fixedly connected to the inner wall of the circular tube 8, the outer wall of the connecting rod 23 is slidably connected to the inside of the fixed block 22, the outer wall of the first sealing plate 13, the outer wall of the second sealing plate 14 and the outer wall of the movable plate 19 are all slidably connected to the inner wall of the circular tube 8, and the left side of the first sealing plate 13, the second sealing plate 14, the outer side of the fixed block 22 and the left side of the movable plate 19 are all provided with a plurality of air holes 21 that penetrate left and right, and the air holes 21 provided on the first sealing plate 13 and the air holes provided on the second sealing plate 14 The positions of 21 are staggered, a second spring 20 is fixed between the fixed block 22 and the movable plate 19, the second spring 20 is sleeved on the outside of the connecting rod 23, the inner wall of the circular tube 8 and the outer wall of the connecting cylinder 18 are screwed, and the compressed air pipeline and the connecting cylinder 18 are connected according to the position of the mine compressed air device, and the connecting cylinder 18 is rotated. The connecting cylinder 18 squeezes the movable plate 19, and the movable plate 19 pushes the connecting rod 23 to move, and the connecting rod 23 pushes the first sealing plate 13 to move, so that the compressed air can enter the interior of the fixed pipe 9, and then enter the conveying pipe for pressurization.
[0022] During operation, a wrench is used to rotate the nut 2, the nut 2 rotates with the screw rod 3, the screw rod 3 rotates with the gear 28, the gear 28 rotates with the gear ring 16, the gear ring 16 rotates with other gears 28 and the screw rod 3, the screw 3 rotates and moves, and the screw 3 moves with the mobile connecting pipe 5, so that the position of the mobile connecting pipe 5 can be adjusted according to the distance between the feed pipes, which is convenient for connecting with the feed pipe. After the mobile connecting pipe 5 is connected to the feed pipe, the feed pipe squeezes the ring 15, the ring 15 pushes the push rod 17 and the pressure ring 10 to move, the pressure ring 10 is inserted into the inside of the pressure groove 29, and the pressure ring 10 squeezes the rubber ring 11 so that the rubber ring 11 and the fixed pipe 9 are in close contact. According to the position of the mine air pressure device, the compressed air pipeline is connected to the connecting tube 18 therein, the connecting tube 18 is rotated, the connecting tube 18 squeezes the movable plate 19, the movable plate 19 pushes the connecting rod 23 to move, and the connecting rod 23 pushes the first sealing plate 13 to move, so that the compressed air can enter the inside of the fixed pipe 9, and then enter the feed pipe for pressurization.
[0023] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".
[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A shotcrete conveying and pressurizing device, comprising a fixed pipe (9), characterized in that: Two movable connecting tubes (5) are arranged inside the fixed tube (9); two adjusting mechanisms (4) are fixed on the outer side wall of the fixed tube (9); the adjusting mechanisms (4) include a fixing strip (24), two screw rods (3) and two nuts (2); a sealing mechanism (6) is arranged inside the movable connecting tube (5); the sealing mechanism (6) includes a circular ring (15), a plurality of push rods (17), a pressure ring (10) and a rubber ring (11); two ventilation mechanisms (7) are fixed on the outer side wall of the fixed tube (9); the ventilation mechanism (7) includes a circular tube (8), a connecting tube (18), a first sealing plate (13), a second sealing plate (14), a fixing block (22), a connecting rod (23) and a movable plate (19).
2. A spraying conveying and pressurizing device according to claim 1, characterized in that: The opposite sides of the two fixing strips (24) are fixedly connected to the outer side wall of the fixing tube (9); the outer side wall of the screw rod (3) is threadedly connected to the inside of the fixing strip (24); a gear (28) is fixed to the outer side wall of the screw rod (3); a round shell (1) is fixed to the opposite sides of the two movable connecting tubes (5); a gear ring (16) is rotatably connected to the inside of the round shell (1); the gear ring (16) and the gear (28) are meshingly connected; one end of the screw rod (3) away from the fixing strip (24) is rotatably connected to the movable connecting tube (5); and the inner side wall of the nut (2) is fixedly connected to the outer side wall of the screw rod (3).
3. A spraying conveying and pressurizing device according to claim 2, characterized in that: The outer wall of the movable connecting tube (5) is provided with an annular fixing groove (27), and an annular movable groove (26) is provided inside the two annular fixing grooves (27) toward the back side. An annular receiving groove (25) is provided at one end of the movable connecting tube (5) away from the fixing tube (9). The outer wall of the push rod (17) is slidably connected to the inside of the movable connecting tube (5), and the two ends of the push rod (17) are fixedly connected to the opposite sides of the pressure ring (10) and the circular ring (15), respectively.
4. A spraying conveying and pressurizing device according to claim 3, characterized in that: The inner side wall of the rubber ring (11) is fixedly connected to the inner side wall of the annular fixed groove (27); the back sides of the two rubber rings (11) are provided with a pressing groove (29); the pressing ring (10) is located inside the annular movable groove (26); the back sides of the two pressing rings (10) are fixed with a plurality of first springs (12); the other end of the first spring (12) is fixedly connected to the inside of the annular movable groove (26).
5. A spraying conveying and pressurizing device according to claim 4, characterized in that: The outer wall of the fixed block (22) is fixedly connected to the inner wall of the circular tube (8), the outer wall of the connecting rod (23) is slidably connected to the inside of the fixed block (22), and the outer wall of the first sealing plate (13), the outer wall of the second sealing plate (14) and the outer wall of the movable plate (19) are all slidably connected to the inner wall of the circular tube (8).
6. A spraying conveying and pressurizing device according to claim 5, characterized in that: A plurality of air holes (21) extending leftward and rightward are provided on the left side of the first sealing plate (13), the second sealing plate (14), the outer side of the fixed block (22) and the left side of the movable plate (19); the air holes (21) provided on the first sealing plate (13) and the air holes (21) provided on the second sealing plate (14) are staggered in position; a second spring (20) is fixed between the fixed block (22) and the movable plate (19); the second spring (20) is sleeved on the outer side of the connecting rod (23); and the inner side wall of the circular tube (8) and the outer side wall of the connecting tube (18) are screwed together.