Coal mine belt conveyor scraper

Abstract

The utility model discloses a coal mine belt conveyor scraper, which relates to the field of belt conveyor scrapers and comprises a base, a bottom plate, a middle shaft and a movable plate, the bottom plate is mounted on the base, and the movable plate can be in running fit with the bottom plate through the middle shaft and can be locked and fixed. The scraper has the advantages that in the use process of the scraper, the movable plate is in an open state relative to the bottom plate and is locked and fixed, and when the belt contact position of the movable plate needs to be checked, the movable plate can be rotated and folded towards the bottom plate after being unlocked, so that the belt contact position is exposed; workers can directly observe the use condition of the belt contact position conveniently, the scraper does not need to be overall disassembled during maintenance and inspection, operation is more convenient, and the maintenance and inspection efficiency of the scraper is improved.

Description

Technical Field

[0001] The utility model relates to the field of belt conveyor scrapers, in particular to a coal mine belt conveyor scraper. Background Art

[0002] The belt conveyor scraper, also known as the belt conveyor cleaner, is one of the key components of the belt conveyor. Its main function is to remove materials and debris adhering to the belt at the head and tail of the belt conveyor. An existing belt conveyor scraper is provided with an upper scraper and a lower scraper on the upper and lower surfaces of the belt respectively to remove debris, oil stains and other residues mixed between the belt and the roller and the idler to prevent the belt from running off the track, slipping or being damaged. The existing belt conveyor scraper is generally an integral structure. During the maintenance and inspection process, especially when inspecting the contact position between the scraper and the belt, the scraper can only be dismantled as a whole for inspection, which is cumbersome and inefficient. Utility Model Content

[0003] The technical problem to be solved by the utility model is how to improve the maintenance and inspection efficiency of the belt conveyor scraper.

[0004] The utility model solves the above technical problems through the following technical means: a coal mine belt conveyor scraper, comprising a base, a bottom plate, a central axis and a movable plate, wherein the bottom plate is mounted on the base, and the movable plate can be rotatably matched with the bottom plate through the central axis and can be locked and fixed. During the use of the scraper, the movable plate is in an open state relative to the bottom plate and is locked and fixed. When it is necessary to check the belt contact position of the movable plate, the movable plate can be unlocked and rotated and folded toward the bottom plate, thereby exposing the belt contact position, making it convenient for the staff to directly observe the use of the belt contact position. During maintenance and inspection, there is no need to disassemble the scraper as a whole, which is more convenient to operate and improves the maintenance and inspection efficiency of the scraper.

[0005] As an optimized technical solution, a mounting groove is provided in the middle position of the top of the base plate, and limiting holes are respectively provided at both ends of the base plate and pass through the side walls of the mounting groove; the movable plate is rotatably fitted in the mounting groove, and an axial hole is provided on the movable plate, and the axial hole connects the two limiting holes; the central axis passes through the axial hole and the two limiting holes, and the central axis includes a rotating shaft, a clamping rod and a locking structure; the clamping rod is fixedly connected to the outer side surface of the middle position of the rotating shaft, and the part of the rotating shaft combined with the clamping rod can be slidably fitted with the axial hole and the two limiting holes to limit rotation, and the separate parts on both sides of the rotating shaft can be rotatably fitted with the two limiting holes respectively; the locking structure can lock the axial position of the rotating shaft.

[0006] As an optimized technical solution, the limiting hole includes a first center hole and two first clamping holes formed by protruding outward from the radial sides of the first center hole; the shaft hole includes a second center hole and two second clamping holes formed by protruding outward from the radial sides of the second center hole; there are two clamping rods, which are respectively arranged on the radial sides of the rotating shaft and extend along the length direction of the rotating shaft.

[0007] As an optimized technical solution, an external thread is provided on a separate part on one side of the rotating shaft, and the locking structure adopts a nut, which is threadedly connected to the outer periphery of the rotating shaft and is limited outside one of the limiting holes.

[0008] As an optimized technical solution, the central axis further includes a limiting plate, which is fixedly connected to one end of the rotating shaft away from the locking structure and is limited outside another limiting hole.

[0009] As an optimized technical solution, the central axis further includes a grip rod and an elastic ball, the grip rod is fixedly connected to the outer end of the limiting plate, and the elastic ball is fixedly connected to the outer end of the grip rod.

[0010] As an optimized technical solution, a contact plate is provided at the bottom of the base, and a positioning hole is opened on the contact plate.

[0011] As an optimized technical solution, a support frame and a lifting motor are fixedly arranged on the base, a screw rod is installed at the output end of the lifting motor, the screw rod is rotatably connected to the support frame, a threaded block is threadedly connected to the screw rod, and the threaded block is fixedly connected to the bottom plate. In the process of arranging the overall structure of the scraper, the bottom plate and the movable plate can be adjusted up and down as a whole, which is convenient for the installation of the scraper on the one hand, and can adapt to belt conveyors of different heights on the other hand, and has better versatility.

[0012] As an optimized technical solution, the base further includes a limit slider and a limit slot, the threaded block is provided with a limit slider, the support frame is provided with a limit slot, the limit slider is inserted into the limit slot and slidably cooperates with the limit slot, which can further ensure the stability of the bottom plate's up and down movement.

[0013] As an optimized technical solution, the coal mine belt conveyor scraper also includes a handle, and a handle is provided on the side of the movable plate facing away from the belt contact position.

[0014] The advantages of the utility model are:

[0015] 1. During the use of the scraper, the movable plate is in an open state relative to the bottom plate and locked and fixed. When it is necessary to check the belt contact position of the movable plate, the movable plate can be unlocked and rotated toward the bottom plate and folded to expose the belt contact position, which is convenient for the staff to directly observe the use of the belt contact position. There is no need to disassemble the scraper as a whole during maintenance and inspection, which makes the operation more convenient and improves the maintenance and inspection efficiency of the scraper.

[0016] 2. In the process of arranging the overall structure of the scraper, the bottom plate and the movable plate can be adjusted up and down as a whole. On the one hand, it is convenient for the installation of the scraper, and on the other hand, it can adapt to belt conveyors of different heights, with better versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an axonometric schematic diagram of a coal mine belt conveyor scraper according to an embodiment of the utility model.

[0018] Figure 2 The utility model is a schematic diagram of the explosion of the scraper of the coal mine belt conveyor according to the embodiment of the utility model.

[0019] Figure 3 It is a partial enlarged schematic diagram of point A of the scraper of the coal mine belt conveyor according to an embodiment of the utility model.

[0020] Figure 4 It is a partial enlarged schematic diagram of location B of the scraper of a coal mine belt conveyor according to an embodiment of the utility model.

[0021] Figure 5 It is a partial enlarged schematic diagram of position C of the scraper of the coal mine belt conveyor according to an embodiment of the utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described in combination with the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0023] like Figures 1 to 5 As shown, an embodiment of the utility model discloses a coal mine belt conveyor scraper, including a base 1, a bottom plate 2, a central axis 3, a movable plate 4 and a handle 5.

[0024] The two ends of the bottom plate 2 are respectively mounted on two bases 1, and the movable plate 4 is rotatably matched with the bottom plate 2 through the central axis 3 and can be locked and fixed. During the use of the scraper, the movable plate 4 is in an open state relative to the bottom plate 2 and locked and fixed. When it is necessary to check the belt contact position of the movable plate 4, the movable plate 4 can be unlocked and rotated and folded toward the bottom plate 2, thereby exposing the belt contact position, which is convenient for the staff to directly observe the use of the belt contact position. During maintenance and inspection, there is no need to disassemble the scraper as a whole, which is more convenient to operate and improves the maintenance and inspection efficiency of the scraper; a handle 5 is provided on the side of the movable plate 4 facing away from the belt contact position, which is convenient for the staff to hold the handle 5 and rotate the movable plate 4.

[0025] The base 1 includes a contact plate 11, a positioning hole 12, a support frame 13, a lifting motor 14, a screw 15, a threaded block 16, a limit slider 17 and a limit slide groove 18; the contact plates 11 are symmetrically arranged on the front and rear sides of the bottom of the base 1, and the left and right sides of each contact plate 11 are symmetrically opened with positioning holes 12, and the base 1 can be quickly positioned by a positioning piece passing through the positioning holes 12; the support frame 13 is fixedly arranged at the middle position of the top of the base 1, and the lifting motor 14 is fixedly arranged inside the base 1; the output end of the lifting motor 14 is installed with a screw 15, and the screw 15 is rotatably connected to the support frame 13; the screw 15 is threadedly connected with a threaded block 16, the threaded block 16 is fixedly connected to the base plate 2, and the lifting motor 14 can drive the screw rod 15 to rotate, so that the threaded block 16 drives the base plate 2 to move upward or downward, thereby realizing the up and down adjustment function of the base plate 2 and the movable plate 4 as a whole during the overall structural arrangement of the scraper. On the one hand, it is convenient for the installation of the scraper, and on the other hand, it can be adapted to belt conveyors of different heights, and has better versatility; a limiting slider 17 is provided in the middle position of the outer side of the threaded block 16, and a limiting slide groove 18 is provided on the support frame 13. The limiting slider 17 is inserted into the limiting slide groove 18 and slidably cooperates with the limiting slide groove 18, which can further ensure the stability of the up and down movement of the base plate 2.

[0026] A rectangular mounting groove 21 is provided in the middle of the top of the bottom plate 2, and the mounting groove 21 extends along the length direction of the bottom plate 2; limiting holes 22 penetrating the side walls of the mounting groove 21 are provided at both ends of the bottom plate 2, and the limiting holes 22 include a first center hole 221 and two first clamping holes 222 protruding outwardly from the radial sides of the first center hole 221; the bottom of the movable plate 4 is an arc structure and is rotatably fitted in the mounting groove 21, and an axial hole 41 extending along its length direction is penetrated at the lower part of the movable plate 4, and the axial hole 41 is connected to the two limiting holes 22; the axial hole 4 1 includes a second central hole 411 and two second clamping holes 412 formed by protruding outwardly from both radial sides of the second central hole 411, and the second central hole 411 and the second clamping holes 412 both extend along the length direction of the movable plate 4; the central axis 3 passes through the shaft hole 41 and the two limiting holes 22, and the central axis 3 includes a rotating shaft 31, a clamping rod 32, a locking structure 33, a limiting plate 34, a gripping rod 35 and an elastic ball 36; two clamping rods 32 are provided, and the two clamping rods 32 are respectively arranged on both radial sides of the rotating shaft 31 and both extend along the length direction of the rotating shaft 31, and the clamping rods 32 are arranged on both radial sides of the rotating shaft 31. The rod 32 is fixedly connected to the outer side surface of the middle position of the rotating shaft 31; under the action of the first clamping hole 222 and the second clamping hole 412, the combined part of the rotating shaft 31 and the clamping rod 32 can be slidably matched with the shaft hole 41 and the two limiting holes 22 to limit rotation; when the combined part of the rotating shaft 31 and the clamping rod 32 is completely located in the installation groove 21, the separate parts on both sides of the rotating shaft 31 can be respectively inserted into the two limiting holes 22 to achieve rotational cooperation with the first center hole 221; an external thread is provided on the separate part on one side of the rotating shaft 31, and the locking structure 33 A nut is used, and the locking structure 33 is threadedly connected to the outer periphery of the rotating shaft 31 and is limited on the outside of one of the limiting holes 22, so as to lock the axial position of the rotating shaft 31; the limiting plate 34 is fixedly connected to one end of the rotating shaft 31 away from the locking structure 33 and is limited on the outside of the other limiting hole 22, the grip rod 35 is fixedly connected to the outer end of the limiting plate 34, and the elastic ball 36 is fixedly connected to the outer end of the grip rod 35. The elastic ball 36 is made of rubber. The grip rod 35 and the elastic ball 36 are used for the staff to hold, so as to facilitate the rapid insertion and pulling out of the middle axis 3.

[0027] Working principle: When in use, first install the scraper as a whole, set the two bases 1 on both sides of the belt conveyor respectively, the contact plate 11 contacts the ground, and the base 1 is positioned and fixed by the positioning piece passing through the positioning hole 12; at this time, the combined part of the rotating shaft 31 and the clamping rod 32 is inserted into the limiting hole 22 near one end of the locking structure 33, and the locking structure 33 locks the axial position of the rotating shaft 31. Under the limiting action of the limiting hole 22, the middle shaft 3 will not rotate; then turn on the lifting motor 14, and the lifting motor 14 drives the screw rod 15 to rotate, so that the threaded block 16 drives the bottom plate 2 to move upward to the top of the movable plate 4 to contact the lower surface of the belt. At this time, with the movement of the belt, the movable plate 4 can clean the belt; when it is necessary to check the scraper belt contact When the handle 35 is in the locked position, the staff loosens the locking structure 33, holds the grip 35 and the elastic ball 36 to pull the central axis 3 to the end away from the locking structure 33, so that the part of the rotation axis 31 and the clamping rod 32 are separated from the limiting hole 22. At this time, the separate parts on both sides of the rotation axis 31 are respectively rotatably matched with the two limiting holes 22, and the central axis 3 can rotate freely relative to the base plate 2. At the same time, under the limiting action of the socket 41, the central axis 3 can drive the movable plate 4 to rotate; then the staff holds the handle 5 to rotate the movable plate 4 to fold it toward the base plate 2, so that the belt contact position of the movable plate 4 is exposed, which is convenient for the staff to directly observe the use of the belt contact position. There is no need to disassemble the scraper as a whole during maintenance and inspection, which makes the operation more convenient and improves the maintenance and inspection efficiency of the scraper.

[0028] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A coal mine belt conveyor scraper, characterized in that: The invention comprises a base, a bottom plate, a central axis and a movable plate, the bottom plate being installed on the base, the movable plate being able to rotate and cooperate with the bottom plate through the central axis and being able to be locked and fixed; a mounting groove is provided at the middle position of the top of the bottom plate, and limiting holes are respectively provided at both ends of the bottom plate, which penetrate the side walls of the mounting groove; the movable plate is rotatably engaged in the mounting groove, an axial hole is provided on the movable plate, and the axial hole connects the two limiting holes; the central axis penetrates the axial hole and the two limiting holes, and the central axis comprises a rotating shaft, a clamping rod and a locking structure; the clamping rod is fixedly connected to the outer side surface at the middle position of the rotating shaft, and the combined part of the rotating shaft and the clamping rod can slide and cooperate with the axial hole and the two limiting holes to limit rotation, and the separate parts on both sides of the rotating shaft can rotate and cooperate with the two limiting holes respectively; the locking structure can lock the axial position of the rotating shaft.

2. The coal mine belt conveyor scraper according to claim 1, characterized in that: The limiting hole includes a first center hole and two first clamping holes respectively protruding outward from the radial sides of the first center hole; the shaft hole includes a second center hole and two second clamping holes respectively protruding outward from the radial sides of the second center hole; there are two clamping rods, which are respectively arranged on the radial sides of the rotating shaft and extend along the length direction of the rotating shaft.

3. The coal mine belt conveyor scraper according to claim 1, characterized in that: An external thread is provided on a separate part on one side of the rotating shaft, and the locking structure adopts a nut. The locking structure is threadedly connected to the outer periphery of the rotating shaft and is limited outside one of the limiting holes.

4. The coal mine belt conveyor scraper according to claim 3, characterized in that: The central shaft further comprises a limiting plate, which is fixedly connected to an end of the rotating shaft away from the locking structure and is limited outside another limiting hole.

5. The coal mine belt conveyor scraper according to claim 4, characterized in that: The central axis also includes a grip rod and an elastic ball. The grip rod is fixedly connected to the outer end of the limiting plate, and the elastic ball is fixedly connected to the outer end of the grip rod.

6. The coal mine belt conveyor scraper according to claim 1, characterized in that: A contact plate is provided at the bottom of the base, and a positioning hole is opened on the contact plate.

7. The coal mine belt conveyor scraper according to claim 1, characterized in that: A support frame and a lifting motor are fixedly arranged on the base, a screw rod is installed at the output end of the lifting motor, the screw rod is rotatably connected to the support frame, a threaded block is threadedly connected to the screw rod, and the threaded block is fixedly connected to the base plate.

8. The coal mine belt conveyor scraper according to claim 7, characterized in that: The base also includes a limiting slide block and a limiting slide groove. The threaded block is provided with a limiting slide block. The support frame is provided with a limiting slide groove. The limiting slide block is inserted into the limiting slide groove and slidably cooperates with the limiting slide groove.

9. The coal mine belt conveyor scraper according to claim 1, characterized in that: The coal mine belt conveyor scraper also includes a handle, and a handle is arranged on the side of the movable plate facing away from the belt contact position.

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