Dust-proof spraying head for coal mine

Abstract

The utility model relates to a coal mine dustproof spray head, which comprises a sliding rail, a driving motor with a driving shaft, a supercharging device and a spray head, the sliding rail is provided with a groove, the supercharging device is provided with a water pipe, and the coal mine dustproof spray head is characterized by further comprising a movable spray mechanism and an adjusting sleeve; movable spraying is stably achieved, the time for spraying coal mine dust is shortened by adopting the two spraying heads, the spraying heads are convenient to manually adjust, rotate, maintain and replace, the spraying amount is convenient to adjust according to different coal mine dust prevention requirements, using is flexible, and the coal mine dust prevention spraying efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine equipment, in particular to a coal mine dust prevention spray head. Background Art

[0002] The coal mine dust spray head provided by the existing patent CN202121024248.3 solves the problem of insufficient water pressure and waste of a large amount of water resources in the prior art by driving the rotating column to move on the surface of the slide rail through the sliding block. The motor in the device drives the transmission gear to rotate. Through the meshing cooperation of the transmission gear and the rack, under the action of the limit clamping, the sliding block can drive the side box and the water pipe to move along the slide rail, which can well drive the spray head to spray water during the movement, so that only one spray head is needed to carry out dust reduction treatment on the entire mine tunnel, so that the water pressure is sufficient and water resources are saved to a certain extent. However, the inventor and the applicant found that a coal mine dust spray head in the patent has only one spray head, although it can realize mobile spraying, but there are shortcomings such as long mobile spraying time for coal mine dust, inconvenient maintenance and replacement of the spray head, and inconvenient adjustment of the spray amount according to different coal mine dust prevention needs. Therefore, the staff of this institute have studied and improved the shortcomings of the above-mentioned existing patents. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a coal mine dust prevention spray head, which solves the problem that the existing patent for a coal mine dust prevention spray head has only one sprinkler head. Although the sprinkler head can be moved to achieve mobile spraying, the mobile spraying time for coal mine dust is long, the sprinkler head is inconvenient to maintain and replace, and it is not convenient to adjust the spray volume according to different coal mine dust prevention needs.

[0005] (II) Technical solution

[0006] To achieve the above object, the utility model provides the following technical solution: a coal mine dust prevention spray head, comprising a slide rail, a driving motor with a driving shaft, a booster device and a spray head, the slide rail is provided with a groove, the booster device is provided with a water pipe, and is characterized in that: it also includes a movable spray mechanism and an adjustment sleeve;

[0007] The groove is separated by a spacer block, which divides the groove into a first spray area and a second spray area. The first spray area and the second spray area are separated by an installation groove for installing a mobile spray mechanism. The mobile spray mechanism is respectively installed in the installation grooves separating the first spray area and the second spray area. The mobile spray mechanism includes a threaded moving rod and a moving part that is screwed and moved on the threaded moving rod. The spray head is adjusted and installed on the top surface of the moving part, and the adjustment sleeve is adjusted and installed on the spray head.

[0008] Preferably, a plurality of fixing blocks are provided on the back of the slide rail, and are fixed by fasteners passing through the back of the slide rail.

[0009] Preferably, both ends of the threaded moving rod are provided with shafts equipped with ball bearings, the spacer is embedded with a shaft tube for connecting the shafts, a partition is provided in the middle of the shaft tube, and a matching shaft tube connected to the outside is provided at the outer end of the groove.

[0010] Preferably, the driving shafts of the driving motors pass through the matching shaft tubes and are connected to the outer ends of the threaded moving rods through couplings, and the left and right ends of the slide rails are respectively provided with motor cylinders for installing the driving motors.

[0011] Preferably, the spray sprinkler head comprises an adjustable rotating part and a spray pipe installed in the adjustable rotating part, a joint is provided at the tail end of the spray pipe, and a matching joint is provided at the water pipe, which is sealed and installed with the joint.

[0012] Preferably, the bottom surface of the adjusting rotating part is provided with a rotating part with an adjusting port, the movable part is embedded with an internal thread matching with the movable threaded rod, and its top surface is provided with a matching rotating part matching with the rotating part, the matching rotating part is embedded with an internal threaded hole, a screw extending out of the adjusting port is screwed into the internal threaded hole, and a flange nut is screwed into the screw for fixing.

[0013] Preferably, a nozzle is provided at the front end of the adjusting rotating part, the nozzle is provided with spray holes, and the spray pipe is extended to connect the nozzle.

[0014] Preferably, the adjustment sleeve is provided with an adjustment spray hole corresponding to the spray hole adjustment, and an internal thread is arranged inside the adjustment sleeve, and an external thread which is threadedly matched with the internal thread is arranged outside the spray head.

[0015] Preferably, the adjustment sleeve has a through hole through which the stud passes.

[0016] Preferably, a stud is provided at the center of the nozzle, and a fixing nut is installed on the stud.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the utility model provides a coal mine dust prevention sprinkler head, which has the following beneficial effects:

[0019] 1. The dust-proof spray head for coal mines is driven to rotate by a driving motor through a threaded moving rod in a mobile spray mechanism, thereby driving the moving part to move, and the spray head installed on the moving part is rotatably installed, so that the dust-proof spray can be moved according to the spraying position of different coal mines. The added spray head reduces the time of moving the spray.

[0020] 2. This kind of coal mine dust prevention spray nozzle can conveniently adjust three different flow states manually through the adjustment between the flow adjustment sleeve and the nozzle and the adjustment between the nozzles. It is locked on the stud by the fixing nut, realizing the flexible adjustment of the coal mine dust prevention spray.

[0021] 3. The dust-proof spray sprinkler head for coal mines is installed by matching the rotating part and the rotating part, and the stud is screwed in the inner screw hole, which is convenient for rotating or unscrewing the stud, thereby facilitating the disassembly and maintenance of the spray sprinkler head.

[0022] The present application realizes stable mobile spraying, adopts two spray heads to shorten the spraying time of coal mine dust, and the spray heads are convenient for manual rotation adjustment and maintenance and replacement, so it is convenient to adjust the spraying volume according to the dust prevention needs of different coal mines. It is flexible to use and improves the dust prevention spraying efficiency of coal mines. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 Schematic diagram of the slide rail structure;

[0025] Figure 3 It is a schematic diagram of the structure of the mobile spray mechanism.

[0026] Figure 4 Schematic diagram of the threaded moving rod structure.

[0027] Figure 5 It is a schematic diagram of the exploded structure of the moving part and the sprinkler head.

[0028] Figure 6 This is a schematic diagram of the exploded structure of the sprinkler head and the adjustment sleeve.

[0029] Figure 7-9 for Figure 6 Schematic diagram of usage status.

[0030] In the figure: slide rail 1, groove 11, spacer block 12, shaft tube 121, partition 122, matching shaft tube 13, installation groove 13, fixing block 14, fastener 15, first spray area 2, second spray area 21, drive motor 3, motor tube 31, water pipe 4, joint 41, matching joint 411, mobile spray mechanism 6, threaded moving rod 61, shaft 62, moving part 63, spray sprinkler head 7, adjusting rotating part 71, spray head 73, spray hole 74, spray pipe 75, matching joint 76, adjusting port 761, rotating part 77, matching rotating part 78, internal threaded hole 781, screw 79, flange nut 80, adjusting sleeve 81, adjusting spray hole 82, stud 83, through hole 84, fixing nut 85, boosting device 100. DETAILED DESCRIPTION

[0031] 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.

[0032] See also Figure 1-9 The utility model provides a technical solution: a coal mine dust prevention spray head, including a slide rail 1, a driving motor 3 with a driving shaft, a booster device 100 and a spray head 5, wherein the slide rail 1 is provided with a groove 11. As known from the prior art, the driving motor is connected to an external power supply, and the booster device is connected to a water pipe. Since two mobile spray mechanisms are installed in the present application, two driving motors can be used, and the water pipe connected to the booster device is a two-way water hose, which is convenient for providing water to the two mobile spray mechanisms. The booster device can use a booster pump. The models of the driving motor and the booster device can be flexibly used and replaced according to actual conditions. They are not the innovation points of the present application and will not be described in detail here.

[0033] In order to solve the problem that the existing patent of a coal mine dust spraying sprinkler has only one sprinkler head that can be moved to realize mobile spraying, but the mobile spraying time of coal mine dust is long, the first and second spraying areas adopted in this application are respectively equipped with mobile spraying mechanisms, so that the driving motor drives the threaded moving rod to drive the moving part to move back and forth, thereby realizing the mobile spraying structure of two spraying sprinkler heads.

[0034] In addition, the sprinkler head is inconvenient to maintain and replace. The present application adopts a rotating part provided on the bottom surface of the sprinkler head and a matching rotating part provided on the top surface of the movable part, which are screwed together through studs, so that the sprinkler head can be rotated manually by operating the studs. When the adjustment needs to be fixed, it is fixed by the fixing nut, which is convenient for manually rotating the sprinkler head according to the needs of use and also convenient for replacing and maintaining the sprinkler head.

[0035] And it is not convenient to adjust the spraying amount according to different coal mine dust prevention needs. The present application is equipped with an adjustment sleeve on the nozzle adjustment, which is convenient for manually adjusting the flow according to the spraying needs, and the use of coal mine dust spraying dust prevention is more flexible.

[0036] The innovation of the present application is that: a plurality of fixing blocks 14 are provided on the back of the slide rail 1, which are fixed by fasteners 15. The fasteners are bolts, screws, etc. The configuration of the fixing blocks and the fasteners can be set according to the stability of the slide rail installation, and the slide rail is also provided with a through hole for passing a water pipe.

[0037] The present application also includes a mobile spray mechanism 6 and an adjustment sleeve 81; the mobile spray mechanism is used for mobile spraying, and the adjustment sleeve cooperates with the spray head to achieve flow regulation.

[0038] The groove 11 is separated by a spacer 12, which divides the groove 11 into a first spraying area 2 and a second spraying area 21. The first and second spraying areas are separated by a mounting groove 13 for installing a mobile spraying mechanism. The mounting groove and the front and rear sides of the spraying area are formed with side grooves. The side grooves at the rear ends of the first and second spraying areas can pass through a water pipe to connect the spraying head. The mobile spraying mechanism 6 is respectively installed in the mounting groove 13. The mobile spraying mechanism 6 includes a threaded moving rod 61 and a moving part 63 that moves on the threaded moving rod 61 in a threaded manner. The thread direction of the threaded moving rod is spirally arranged from left to right. The driving motor rotates the threaded moving rod clockwise to move from left to right, and vice versa to move from right to left. Both ends of the threaded moving rod 61 are provided with a shaft 62 equipped with a ball bearing (not shown in the figure). The spacer 12 is embedded with a shaft tube 121 for connecting the shaft part. The shaft tube 121 embedded with the spacer 12 is separated by a partition 122. The threaded moving rods of the first and second spraying areas are connected to each other and driven to rotate by the driving motor coupling. The two ends of the groove 11 are provided with a matching shaft tube 13 connected to the outside, which is convenient for coupling with the drive motor. The drive shaft of the drive motor 3 is respectively coupled to the outer end of the threaded moving rod 61 through a coupling, and the left and right ends of the slide rail 1 are respectively provided with a motor cylinder 31 for installing the drive motor 3. It is known from the prior art that the drive motor is connected to a power cord, a forward / reverse switch is installed on the power cord, and a power plug is provided at the end of the power cord. The forward / reverse switch can be manually rotated to realize the function of power on or forward / reverse rotation. No simple text description is given here, and no detailed description is given with legends.

[0039] The spray head 7 is rotatably mounted on the top surface of the moving part 63, and the adjusting sleeve is threadedly mounted on the spray head 7. It is convenient to manually adjust the spray flow. The spray head 7 includes an adjusting rotating part 71 and a spray pipe 75 installed in the adjusting rotating part 71. The tail end of the spray pipe 75 is provided with a joint 41, and the water pipe is provided with a matching joint 411, which is sealed and installed with the joint 41. It is used to provide a water source. The bottom surface of the adjusting rotating part 71 is provided with a rotating part 77 with an adjusting port 76, and the two ends of the adjusting port are sealed. Its width can be set according to the actual rotation needs of the adjusting rotating part. The internal part of the moving part 63 is embedded with an internal thread that matches the moving threaded rod 61, and the top surface is provided with a matching rotating part 78 that matches the rotating part 77. The matching rotating part 78 is embedded with an internal threaded hole 781, and a screw 79 extending out of the adjusting port is threadedly mounted in the internal threaded hole 781, and a flange nut 80 is threadedly mounted on the screw 79. The stud is threaded in the internal threaded hole, which is convenient for manually adjusting the matching rotation direction of the rotating part and then being fixed by the flange nut. When the stud is screwed out of the internal thread hole, the structure of manually separating the adjusting rotating part and installing it on the rotating part is convenient for disassembling and assembling the spray head. The front end of the spray pipe 75 is connected to a spray head 73. The spray head is arranged with spray holes 74. In this embodiment, four are arranged to illustrate the structure. In actual use, the spray holes can be arranged and the number of spray holes can be adjusted according to actual needs. The adjusting sleeve 81 is arranged with an adjusting spray hole corresponding to the spray hole adjustment and the inside of the adjusting sleeve is arranged with an internal thread. The outside of the spray head is arranged with an external thread that is screwed with the internal thread, which increases the stability of the fit. A stud is provided in the center of the spray head, and the adjusting sleeve 81 is provided with a through hole for passing through the stud, which passes through the stud, and a fixing nut 85 is installed on the stud. It is used to manually fix the matching between the adjusting sleeve and the spray head to adjust the spray flow according to different needs for coal mine spray dust prevention. When fixing is required, the fixing nut is manually tightened.

[0040] Furthermore, there are three flow rate adjustment states for the adjustment between the adjustment sleeve and the nozzle, which are described as follows.

[0041] The first is full circulation: Figure 7 As shown, when the regulating spray holes of the regulating sleeve completely correspond to the spray holes of the nozzle, the fixing nut is manually screwed onto the stud to fix it.

[0042] The second type is corresponding circulation: Figure 8 As shown, when the adjustment spray hole of the adjustment sleeve corresponds to the adjustment spray hole of the nozzle, the fixing nut is screwed onto the stud to fix it.

[0043] The third type is uncirculated: Fig. 9 As shown, when the regulating spray hole of the regulating sleeve does not correspond to the spray hole of the spray head, the fixing nut is screwed onto the stud to fix it.

[0044] The above is a description of the structure of the present application. Here, the working principle of the present application is further described. Working principle: The slide rail is fixed to the corresponding position of the coal mine by fasteners. Since the slide rail is provided with grooves, the grooves are separated into the first and second spraying areas by spacers. The grooves in the first and second spraying areas are separated by mounting grooves, and the mobile spraying mechanism is installed in the mounting grooves. Among them, the threaded moving rod is axially connected in the first and second spraying areas and the outer end is driven by a driving motor coupling, so that the threaded moving rod cooperates with the threaded moving part and the spray sprinkler head rotatably connected to the moving part to move along the direction of the threaded moving rod.

[0045] like Figure 1 As shown, a spray pipe is embedded inside the regulating movable part of the sprinkler head, which is sealed and connected to the matching joint on one of the two water pipes installed in the booster device through a joint. One end of the two water pipes passes through the installation slot and is installed in the booster device. The water source flows to the sprinkler head through the spray pipe for booster spraying. The flow rate between the regulating sleeve and the sprinkler head is adjusted manually. Since it has been explained above, it will not be explained in detail here.

[0046] The bottom surface of the adjustable moving part in the sprinkler head is provided with a rotating part, which rotates in coordination with the matching rotating part on the top surface of the moving part and is screwed into the inner screw hole by a stud, and is manually adjusted to a suitable position along the range of the adjustment port and fixed by a fixing nut.

[0047] Furthermore, a rotating part is provided on the bottom surface of the adjusting movable part in the sprinkler head, which rotates in coordination with the matching rotating part on the top surface of the movable part and screws on the fixing nut, and the stud is screwed off from the inner screw hole to separate the sprinkler head from the movable part, thereby maintaining and replacing the sprinkler head.

[0048] 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 dust-proof spray head for coal mines, comprising a slide rail, a driving motor with a driving shaft, a booster device and a spray head, wherein the slide rail has a groove, and the booster device is equipped with a water pipe, and is characterized in that: Also includes a mobile spray mechanism and an adjustment sleeve; The groove is separated by a spacer block, which divides the groove into a first spray area and a second spray area. The first spray area and the second spray area are separated by an installation groove for installing a mobile spray mechanism. The mobile spray mechanism is respectively installed in the installation grooves separating the first spray area and the second spray area. The mobile spray mechanism includes a threaded moving rod and a moving part that is screwed and moved on the threaded moving rod. The spray head is adjusted and installed on the top surface of the moving part, and the adjustment sleeve is adjusted and installed on the spray head.

2. The coal mine dust prevention sprinkler head according to claim 1, characterized in that: A plurality of fixing blocks are arranged on the back of the slide rail, and are fixed through fasteners.

3. The coal mine dust prevention sprinkler head according to claim 1, characterized in that: Both ends of the threaded moving rod are provided with shafts equipped with ball bearings, the spacer is embedded with a shaft tube for connecting the shafts, a partition is provided in the middle of the shaft tube, and a matching shaft tube connected to the outside is provided at the outer end of the groove.

4. The coal mine dust prevention sprinkler head according to claim 1, characterized in that: The driving shafts of the driving motors respectively pass through the matching shaft tubes and are connected to the outer ends of the threaded moving rods through couplings. The left and right ends of the slide rails are respectively provided with motor cylinders for installing the driving motors.

5. The coal mine dust prevention sprinkler head according to claim 1, characterized in that: The spray sprinkler head comprises an adjustable rotating part and a spray pipe installed in the adjustable rotating part. A joint is arranged at the tail end of the spray pipe, and a matching joint is arranged on the water pipe, which is sealed and installed with the joint.

6. The coal mine dust prevention sprinkler head according to claim 5, characterized in that: The bottom surface of the adjusting rotating part is provided with a rotating part with an adjusting port, the interior of the moving part is embedded with an internal thread that matches with the moving threaded rod, and the top surface is provided with a matching rotating part that matches with the rotating part, the matching rotating part is embedded with an internal threaded hole, a screw rod extending out of the adjusting port is screwed into the internal threaded hole, and a flange nut is screwed into the screw rod for fixing.

7. The coal mine dust prevention sprinkler head according to claim 6, characterized in that: A spray head is provided at the front end of the adjusting rotating part, the spray head is provided with spray holes, and the spray pipe is extended to connect the spray head.

8. The coal mine dust prevention sprinkler head according to claim 1, characterized in that: The adjusting sleeve is provided with an adjusting spray hole corresponding to the spray hole adjustment, and the inside of the adjusting sleeve is provided with an internal thread, and the outside of the spray head is provided with an external thread which is threadedly connected with the internal thread.

9. The coal mine dust prevention sprinkler head according to claim 1, characterized in that: The adjusting sleeve is provided with a through hole through which the stud passes.

10. The coal mine dust prevention sprinkler head according to claim 7, characterized in that: A stud is arranged at the center of the nozzle, and a fixing nut is installed on the stud.

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