Self-adjusting device and impeller coal feeder opening device

Abstract

The application provides a self-aligning device and a coal feeder opening device, which comprises end aligning devices arranged at two ends of the coal feeder opening device respectively and a middle aligning device arranged at the middle of the coal feeder opening device; the end aligning device comprises a first lower positioning groove, an upper horizontal rod arranged in parallel to the first lower positioning groove, two vertical rods arranged below the upper horizontal rod and a positioning rod arranged between the two vertical rods; the middle aligning device comprises a second lower positioning groove, an upper sliding groove with a slot arranged in the interior of the second lower positioning groove and a support fixed at the top end of the upper sliding groove. The application can solve the problems in the prior art, such as the center deviation of the opening device from the center of the sealing baffle, the occurrence of jamming, the damage of the baffle by the impeller and the like.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coal feeding equipment, more particularly to a self-centering device and a vane wheel coal feeder opening device. BACKGROUND

[0002] The vane wheel coal feeder is widely used in coal storage for power plants and coal chemical plants. The device walks on a track, and a fixed opening device opens the sealing baffle, and then a rotating vane wheel rotates to feed coal from the coal chute to the underlying belt.

[0003] The current opening device of the coal feeder is fixed by setting four support points, and then an angle steel is welded and fixed on the front and rear water tanks and the coal leakage hopper. With the straight-line walking of the coal feeder, the opening device opens the baffle in turn. This fixed opening device does not appear abnormal in short-distance application and operation, but when the straightness of the coal chute cantilever, the middle beam and the running guide rail of the coal feeder is superimposed, the center of the opening device deviates from the center of the sealing baffle, and the jamming phenomenon occurs. In addition, in order to prevent the wear of the wheels and the guide rail, the wheel flange and the guide rail will have a gap according to the national standard, which is generally greater than 15mm. This gap will make the coal feeder walk in a snake shape on the guide rail. Under this condition, the horizontal longitudinal projection area of the opening device is increased, so the horizontal walking resistance is increased, which causes the coal feeder baffle to be stuck or not opened, and the vane wheel to break the baffle, which is very difficult to handle, affects production and causes economic losses.

[0004] In summary, the fixed opening device of the coal feeder used in the prior art has the problems that when the straightness of the coal chute cantilever, the middle beam and the running guide rail of the coal feeder is superimposed, the center of the opening device deviates from the center of the sealing baffle, and the jamming phenomenon occurs. In addition, the snake-shaped walking of the guide rail increases the horizontal longitudinal projection area of the opening device and the resistance, which causes the coal feeder baffle to be stuck or not opened, and the vane wheel to break the baffle. SUMMARY

[0005] In view of the above problems, the present application provides a self-centering device and a vane wheel coal feeder opening device to solve the problems that the fixed opening device of the coal feeder used at present deviates from the center of the sealing baffle in long-distance application and operation, which causes the jamming phenomenon to occur, and the vane wheel breaks the baffle due to the snake-shaped walking of the guide rail.

[0006] The application provides a self-aligning device for a coal feeder opening device, comprising: end aligning devices arranged at two ends of the coal feeder opening device respectively and a middle aligning device arranged at the middle part of the coal feeder opening device; wherein the end aligning device comprises a first lower positioning groove, an upper cross rod arranged parallel to the first lower positioning groove, two vertical rods arranged below the upper cross rod and a positioning rod arranged between the two vertical rods; the positioning rod is transversely arranged above the groove of the first lower positioning groove, a first roller is arranged at the bottom of the vertical rod, the first roller is arranged inside the first lower positioning groove, and a side roller is arranged at each end of the upper cross rod; the middle aligning device comprises a second lower positioning groove, an upper sliding groove with a groove arranged inside the second lower positioning groove and a support fixed at the top end of the upper sliding groove; a second roller is arranged below each end of the upper sliding groove; the second roller is slidingly arranged inside the second lower positioning groove; the support comprises a first connecting support and a second connecting support fixed at the two sides of the coal feeder opening device respectively.

[0007] In addition, preferably, a square groove is arranged at the lower part of the vertical rod; and the first roller is arranged at the groove of the square groove through a first pin.

[0008] In addition, preferably, a roller adjusting pad is arranged at each side of the first roller.

[0009] In addition, preferably, the positioning rod passes through the square grooves of the two vertical rods horizontally; the positioning rod is arranged above the first roller; and the two ends of the positioning rod are fixed at the two ends of the upper part of the first lower positioning groove respectively.

[0010] In addition, preferably, a positioning rod supporting block is arranged at each end of the groove of the first lower positioning groove; and the end of the positioning rod is fixed at the top of the positioning rod supporting block.

[0011] In addition, preferably, a side groove is arranged at each end of the upper cross rod; and the side roller is arranged at the groove of the side groove through a second pin.

[0012] In addition, preferably, the second roller is fixed on the two side walls of the groove of the upper sliding groove through a third pin.

[0013] In addition, preferably, the upper sliding groove and the support are made of steel; and the bottom end of the support is welded and fixed at the top end of the upper sliding groove.

[0014] The application provides a kind of impeller coal feeder opening device, including opening device body, also including the self-aligning device as described above being arranged at the bottom of the opening device body;Wherein, the opening device body includes horizontally arranged opening cross bar;Y-shaped fixed rod is arranged at the both ends of the opening cross bar;The height of the double-end fixed end of the Y-shaped fixed rod is lower than the height of the opening cross bar;The double-end fixed end of the Y-shaped fixed rod is fixed at the top of the upper cross bar;The both sides of the opening cross bar are fixed between the first connecting support and the second connecting support;Fixed point is arranged at the bottom of the first lower positioning groove and the bottom of the second positioning groove.

[0015] In addition, preferably, the number of the intermediate aligning devices arranged at the bottom of the opening cross bar is at least two, and the distance between adjacent intermediate aligning devices is equal.

[0016] From the above technical solution, the self-aligning device and the impeller coal feeder opening device provided by the application are known, through the structural design of the end aligning device, in use, the side rollers located at the both ends of the upper cross bar move longitudinally along the inner side wall of the sealing angle steel of the coal feeding device, based on the structural design of the first lower positioning groove, the vertical rod and the first roller, the whole coal feeder opening device is driven to adjust left and right, to automatically ensure that the center of the coal feeder opening device is kept in line with the center of the coal chute cornice of the coal feeding device;Through the structural design of the intermediate aligning device, under the force of the carrier roller of the sealing baffle on both sides of the coal feeding device, based on the second lower positioning groove, the upper sliding groove, the support and the second roller, the middle part of the coal feeder opening device is also driven to freely center, so as to ensure that the longitudinal center of the upper part of the coal feeder opening device is kept in line with the longitudinal center line of the middle beam of the coal feeding device, therefore, no matter where the coal feeder runs, the center line will be kept in line, and the phenomenon of jamming will not occur, and the coal feeder will not be affected by the snake-shaped walking of the guide rail.

[0017] To achieve the above and related purposes, one or more aspects of the application include the features to be described in detail below. The following description and drawings detail certain exemplary aspects of the application. However, these aspects indicate only some of the various ways in which the principles of the application can be used. In addition, the application is intended to include all such aspects and their equivalents. BRIEF DESCRIPTION OF DRAWINGS

[0018] Other objects and results of the application will be more apparent and easy to understand by referring to the following description in conjunction with the drawings, and with a more comprehensive understanding of the application. In the drawings:

[0019] Figure 1 The structure diagram of the impeller coal feeder opening device according to the embodiment of the application;

[0020] Figure 2Fig. 1 is a schematic diagram of the overall structure of an end self-aligning device according to an embodiment of the present application;

[0021] Figure 3 Fig. 2 is a schematic diagram of the front cross-sectional structure of an end self-aligning device according to an embodiment of the present application;

[0022] Figure 4 Fig. 3 is a schematic diagram of the side cross-sectional structure of an end self-aligning device according to an embodiment of the present application;

[0023] Figure 5 Fig. 4 is a schematic diagram of the top cross-sectional structure of an end self-aligning device according to an embodiment of the present application;

[0024] Figure 6 Fig. 5 is a schematic diagram of the overall structure of a middle self-aligning device according to an embodiment of the present application.

[0025] In the drawings, 1 - end self-aligning device, 11 - first lower positioning slot, 111 - positioning rod support block, 12 - upper horizontal rod, 121 - side slot, 13 - vertical rod, 131 - square slot, 14 - positioning rod, 15 - first roller, 151 - first pin, 152 - roller adjustment pad, 16 - side roller, 161 - second pin, 21 - second lower positioning slot, 22 - upper sliding slot, 23 - bracket, 231 - first connecting bracket, 232 - second connecting bracket, 24 - second roller, 31 - opening horizontal rod, 32 - Y-shaped fixed rod, 4 - sealing angle steel, 5 - coal chute cornice, 6 - sealing baffle, 7 - middle beam.

[0026] The same reference numbers in all the drawings indicate similar or corresponding features or functions. DETAILED DESCRIPTION

[0027] In the following description, for the purpose of providing a comprehensive understanding of one or more embodiments, numerous specific details are set forth. It is apparent, however, to one skilled in the art that these embodiments can be practiced without these specific details.

[0028] For the aforementioned fixed-type coal feeder opening device, in long-distance application and operation, the center of the opening device is easy to deviate from the center of the sealing baffle, causing jamming; and affected by the serpentine walking of the guide rail, the impeller is easy to damage the baffle, etc. A self-aligning device and an impeller coal feeder opening device are proposed.

[0029] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0030] To illustrate the self-aligning device and the impeller coal feeder opening device provided by the present application, Figure 1 Fig. 1 shows the structure of an impeller coal feeder opening device according to an embodiment of the present application; Figure 2The overall structure of the end alignment device according to the embodiment of the present application is shown; Figure 3 The front view cross-sectional structure of the end alignment device according to the embodiment of the present application is shown; Figure 4 The side view cross-sectional structure of the end alignment device according to the embodiment of the present application is shown; Figure 5 The top view cross-sectional structure of the end alignment device according to the embodiment of the present application is shown; Figure 6 The overall structure of the middle alignment device according to the embodiment of the present application is shown.

[0031] As Figures 1 to 6 As shown in the drawings, the self-alignment device according to the present application is used in the opening device of a coal feeder, which comprises an end alignment device 1 arranged at each end of the opening device of the coal feeder and a middle alignment device arranged at the middle of the opening device of the coal feeder. The end alignment device 1 comprises a first lower positioning groove 11, an upper horizontal rod 12 arranged parallel to the first lower positioning groove 11, two vertical rods 13 arranged below the upper horizontal rod 12, and a positioning rod 14 arranged between the two vertical rods 13. The positioning rod 14 is transversely fixed above the groove of the first lower positioning groove 11, and a first roller 15 is arranged at the bottom of the vertical rod 13 and inside the first lower positioning groove 11. A side roller 16 is arranged at each end of the upper horizontal rod 12. The middle alignment device comprises a second lower positioning groove 21, an upper sliding groove 22 arranged inside the second lower positioning groove 21, and a bracket 23 fixed at the top end of the upper sliding groove 22. A second roller 24 is arranged below each end of the upper sliding groove 22 and inside the second lower positioning groove 21. The bracket 23 comprises a first connecting bracket 231 and a second connecting bracket 232 fixed at the top end of the two sides of the opening device of the coal feeder, respectively.

[0032] Through the structural design of the end alignment device 1, when in use, the side rollers 16 at the two ends of the upper horizontal rod 12 move longitudinally along the inner side wall of the sealing angle steel 4 of the coal feeding device. Based on the structural design of the first lower positioning groove 11, the vertical rod 13, and the first roller 15, the entire opening device of the coal feeder is adjusted left and right to automatically ensure that the center of the opening device of the coal feeder is aligned with the center of the coal chute cornice 5 of the coal feeding device. Through the structural design of the middle alignment device, under the force of the carrier roller of the sealing baffle 6 on both sides of the coal feeding device, based on the second lower positioning groove 21, the upper sliding groove 22, the bracket 23, and the second roller 24, the middle part of the opening device of the coal feeder is also free to center, thereby ensuring that the longitudinal center of the upper part of the opening device of the coal feeder is aligned with the longitudinal center line of the middle beam 7 of the coal feeding device. Therefore, no matter where the coal feeder is running, the center line will be aligned, and the phenomenon of jamming will not occur, and the coal feeder will not be affected by the snake-shaped movement of the guide rail.

[0033] As a preferred scheme of the present application, a square slot 131 is formed in the lower part of the vertical rod 13; the first roller 15 is installed in the slot of the square slot 131 through a first pin 151. By forming the square slot 131 below the vertical rod 13, and then fixing the first roller 15 on both sides of the slot of the square slot 131 through the pin, the lower part of the vertical rod 13 can move left and right in the slot of the first lower positioning groove 11, thereby driving the upper cross rod 12 to move. Since the upper cross rod 12 is used for fixing and supporting both ends of the coal feeder opening device, the coal feeder opening device is driven to adjust the central position left and right.

[0034] As a preferred scheme of the present application, roller adjusting pads 152 are arranged on both sides of the first roller 15. The fixed position of the first roller 15 is conveniently adjusted.

[0035] As a preferred scheme of the present application, the positioning rod 14 horizontally passes through the square slots 131 of the two vertical rods 13; the positioning rod 14 is located above the first roller 15; both ends of the positioning rod 14 are fixed at both ends of the upper part of the first lower positioning groove 11. The positioning rod 14 is used for positioning the two vertical rods 13 inside the first lower positioning groove 11, preventing the vertical rod 13 from sliding out of the first lower positioning groove 11, and preventing the adjustment range of the coal feeder opening device from being too large left and right.

[0036] As a preferred scheme of the present application, positioning rod support blocks 111 are arranged at both ends of the slot of the first lower positioning groove 11; the end of the positioning rod 14 is fixed on the top of the positioning rod support block 111. The end of the positioning rod 14 is conveniently fixed through the positioning rod support block 111. When the first lower positioning groove 11, the positioning rod 14, and the positioning rod support block 111 are all steel structures, they are fixed to each other by welding, so as to increase the connection firmness of the structure.

[0037] As a preferred scheme of the present application, side slots 121 are formed at the ends of both ends of the upper cross rod 12; the side roller 16 is installed in the slot of the side slot 121 through a second pin 161. The side roller 16 is conveniently installed through the side slot 121 and the second pin 161.

[0038] As a preferred scheme of the present application, the second roller 24 is fixed on the two side walls of the slot of the upper sliding groove 22 through a third pin 241. The upper sliding groove 22 can slide in the second lower positioning groove 21.

[0039] As a preferred scheme of the present application, the upper sliding groove 22 and the bracket 23 are both made of steel; the bottom end of the bracket 23 is welded and fixed on the top end of the upper sliding groove 22. The structure connection is more firm.

[0040] The impeller coal feeder opening device provided by the application comprises an opening device body, a self-centering device arranged at the bottom of the opening device body, wherein the opening device body comprises a horizontal opening crossbar 31, Y-shaped fixed rods 32 are arranged at both ends of the opening crossbar 31, the height of the double-end fixed end of the Y-shaped fixed rod 32 is lower than the height of the opening crossbar 31, the double-end fixed end of the Y-shaped fixed rod 32 is fixed at the top of the upper crossbar 12, the two sides of the opening crossbar 31 are fixed between the first connecting bracket 231 and the second connecting bracket 232, and fixed points are arranged at the bottom of the first lower positioning groove 11 and the bottom of the second positioning groove 21.

[0041] In operation, the fixed points at the bottom of the first lower positioning groove 11 and the bottom of the second positioning groove 21 are fixed on the water tank by welding or the like, so that the opening device body is supported and fixed, and the self-centering device is designed to automatically center and center the opening device body, so that the sealing baffle can be smoothly opened.

[0042] As a preferred scheme of the application, the number of the intermediate centering devices arranged at the bottom of the opening crossbar 31 is at least two, and the distance between adjacent intermediate centering devices is equal.

[0043] In order to center the opening device body, an end centering device 1 is arranged at each end of the opening device body, and a proper number of intermediate centering devices are arranged in the middle according to the length of the opening crossbar 31, so that the middle part is freely centered and is not pressed and bent by the impeller.

[0044] As can be seen from the above specific embodiments, the self-centering device and the impeller coal feeder opening device provided by the application are designed by the structure of the end centering device, in use, the side rollers at both ends of the upper crossbar move longitudinally along the inner wall of the sealing angle steel of the coal feeder, based on the structure of the first lower positioning groove, the vertical rod and the first roller, the whole coal feeder opening device is adjusted left and right to automatically ensure that the center of the coal feeder opening device is aligned with the center of the coal chute eaves of the coal feeder, based on the structure of the intermediate centering device, under the force of the sealing baffle rollers on both sides of the coal feeder, the middle part of the coal feeder opening device is freely centered based on the second lower positioning groove, the upper sliding groove, the bracket and the second roller, so that the longitudinal center of the upper part of the coal feeder opening device is aligned with the longitudinal center line of the middle beam of the coal feeder, therefore, no matter where the coal feeder is operated, the center line is aligned, and no jamming phenomenon occurs, and the coal feeder is not affected by the snake-shaped walking of the guide rail.

[0045] The self-centering device and the impeller coal feeder opening device according to the present application are described above with reference to the drawings by way of example. However, those skilled in the art should understand that various modifications can be made to the self-centering device and the impeller coal feeder opening device according to the present application without departing from the content of the present application. Therefore, the protection scope of the present application should be determined by the content of the appended claims.

Claims

1. A feeder opening device, comprising a feeder opening device body, characterized in that, Further comprising self-aligning device arranged at the bottom of the opening device body; wherein, The self-aligning device is used in the opening device of the impeller coal feeder, comprising end aligning device arranged at the two ends of the coal feeder opening device respectively and middle aligning device arranged at the middle part of the coal feeder opening device; wherein, The end aligning device comprises first lower positioning groove, upper horizontal rod arranged parallel to the first lower positioning groove, two vertical rods arranged below the upper horizontal rod and positioning rod arranged through the two vertical rods; the positioning rod is transversely fixed above the notch of the first lower positioning groove, the first roller is arranged at the bottom of the vertical rod and inside the first lower positioning groove, and side rollers are arranged at the two ends of the upper horizontal rod; The middle aligning device comprises second lower positioning groove, upper sliding groove with notch arranged inside the second lower positioning groove and bracket fixed at the top end of the upper sliding groove; the second roller is arranged below the two ends of the upper sliding groove and inside the second lower positioning groove; the bracket comprises first and second connecting brackets fixed at the two sides of the coal feeder opening device respectively at the top end; The opening device body comprises horizontally arranged opening horizontal rod; Y-shaped fixed rod is arranged at the two ends of the opening horizontal rod; the height of the double-head fixed end of the Y-shaped fixed rod is lower than the height of the opening horizontal rod; The double-head fixed end of the Y-shaped fixed rod is fixed at the top of the upper horizontal rod; the two sides of the opening horizontal rod are fixed between the first and second connecting brackets; Fixing points are arranged at the bottom of the first lower positioning groove and the bottom of the second lower positioning groove; In working, the fixing points at the bottom of the first lower positioning groove and the bottom of the second lower positioning groove are fixed on the water tank by welding to support and fix the opening device body; the self-aligning center is achieved while being fixed and supported by the self-aligning device, the opening device body is centered, and the sealing baffle is smoothly opened.

2. The opening device of the impeller coal feeder according to claim 1, wherein, Square notches are arranged at the lower part of the vertical rods; The first roller is installed at the notch of the square notch by the first pin.

3. The opening device of the impeller coal feeder according to claim 1, wherein, Roller adjusting pads are arranged at the two sides of the first roller.

4. The opening device of the impeller coal feeder according to claim 2, wherein, The positioning rod horizontally passes through the square notches of the two vertical rods; The positioning rod is above the first roller; the two ends of the positioning rod are fixed at the two ends of the upper part of the first lower positioning groove respectively.

5. The opening device of the impeller coal feeder according to claim 4, wherein, Positioning rod supporting blocks are arranged at the two ends of the notch of the first lower positioning groove; The end of the positioning rod is fixed at the top of the positioning rod supporting block.

6. The opening device of the impeller coal feeder according to claim 1, wherein, Side notches are arranged at the ends of the two ends of the upper horizontal rod; The side roller is installed at the slot of the side slot through a second pin. 7.The opening device of the impeller coal feeder according to claim 1, characterized in that, The second roller is fixed on the two side walls of the slot of the upper sliding slot through a third pin. 8.The opening device of the impeller coal feeder according to claim 1, characterized in that, The upper sliding slot and the support are made of steel; The bottom end of the support is welded and fixed at the top end of the upper sliding slot. 9.The opening device of the impeller coal feeder according to claim 1, characterized in that, The number of the intermediate aligning devices arranged at the bottom of the opening horizontal rod is at least two, and the distance between adjacent intermediate aligning devices is equal.

Images