Incinerator grate feeding thickness detection device

Abstract

The utility model relates to the technical field of incinerators, in particular to an incinerator grate feeding thickness detection device. The incinerator grate feeding thickness detection device comprises an incinerator body, the front end of the incinerator body is fixedly connected with a hopper, the bottom of the hopper is fixedly connected with four distributors, one side of the hopper is fixedly connected with a material supplementing mechanism, the incinerator body is internally provided with a grate, and the end, close to the feeding end, of the grate is fixedly connected with a conveying belt. A frame is fixedly connected above the middle of the conveying belt, and a flattening mechanism and a thickness measuring assembly are installed in the frame. According to the incinerator fire grate feeding thickness detection device provided by the utility model, through the design of the flattening mechanism, the bidirectional motor drives the threaded rod to rotate and drives the threaded block, the connecting rod and the scraper blade to move, so that garbage on the conveyor belt is uniformly flattened, and the design ensures that the garbage is uniformly distributed in an incinerator; and the condition of local accumulation or sparseness is avoided, so that the incineration uniformity and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to incinerator technical field especially relates to a kind of incinerator grate feeding thickness detection device. BACKGROUND

[0002] In the operation process of incinerator, the thickness of grate feeding is one of the key factors affecting incineration efficiency and emission quality.If the feeding is too thick, it may lead to insufficient incineration, producing a large amount of smoke and harmful gas;If the feeding is too thin, it may reduce the thermal efficiency of incinerator. Therefore, it is particularly important to accurately detect and control the thickness of incinerator grate feeding.

[0003] With the development of automation technology, some automatic detection devices begin to be applied in the detection of incinerator grate feeding thickness, but there are still problems that the feeding thickness cannot be judged, causing uneven feeding, which directly affects the incineration quality of garbage, in addition, when the thickness of garbage does not reach the preset thickness standard, it cannot be supplemented in time, which reduces the thermal efficiency and increases the operation cost.

[0004] Therefore, it is necessary to provide a new incinerator grate feeding thickness detection device to solve the above technical problems. SUMMARY

[0005] To solve the above technical problems, the utility model provides a kind of incinerator grate feeding thickness detection device.

[0006] The incinerator grate feeding thickness detection device provided by the utility model comprises: an incinerator body, a hopper fixedly connected to the front end of the incinerator body, four distributors fixedly connected to the bottom of the hopper, a feeding mechanism fixedly connected to one side of the hopper, a grate installed inside the incinerator body, a conveyor belt fixedly connected to one end of the grate near the feeding end, a frame fixedly connected to the upper middle part of the conveyor belt, a flattening mechanism and a thickness measuring assembly installed inside the frame, and the garbage on the conveyor belt is measured by the flattening mechanism and the thickness measuring assembly to determine whether it meets the thickness standard, and the feeding mechanism is controlled by the sensor to supplement the feeding according to the measurement result.

[0007] Preferably, the flattening mechanism comprises: a bidirectional motor, a threaded rod, a threaded block, a connecting rod, a scraper and a crossbar, one side of the frame is fixedly connected with the bidirectional motor, the output end of the bidirectional motor is fixedly connected with the threaded rod, the middle part of the threaded rod is equidistantly and threadedly connected with four threaded blocks, the bottom of each of the four threaded blocks is fixedly connected with a connecting rod, the bottom end of each of the four connecting rods is rotatably connected with two scrapers, the inside of the frame is fixedly connected with a crossbar, one side of the bottom end of each of the four connecting rods is slidably connected with the crossbar, the bottom of the crossbar is equidistantly provided with grooves corresponding to the four groups of scrapers, and the end, away from the connecting rod, of each of the four groups of scrapers is slidably connected with the groove in the bottom of the crossbar. This design ensures the uniform distribution of garbage in the incinerator, avoids local accumulation or sparseness, and thus improves the uniformity and efficiency of incineration.

[0008] Preferably, the thickness measuring assembly comprises: a first electric push rod, an extension rod, a trapezoidal block, an L-shaped rod, a sliding groove, a sliding rod, a sliding block, a roller, a fixed rod and a fixed block, the inside of the frame is fixedly connected with the fixed rod, the middle part of the fixed rod is equidistantly and fixedly connected with four fixed blocks corresponding to the four threaded blocks, the top of each of the four fixed blocks is provided with a sliding groove, the inner wall of each of the four sliding grooves is slidably connected with a sliding block, the end, away from the fixed rod, of each of the four fixed blocks is slidably connected with an L-shaped rod, the middle and upper part of each of the four L-shaped rods is rotatably connected with a sliding rod, the bottom end of each of the four sliding rods is rotatably connected with a corresponding sliding block, the bottom end of each of the four L-shaped rods is rotatably connected with a roller, one side of the frame close to the bidirectional motor is fixedly connected with a first electric push rod, the output end of the first electric push rod is fixedly connected with an extension rod, and the middle part of the extension rod is equidistantly and fixedly connected with four trapezoidal blocks corresponding to the four L-shaped rods. The thickness measuring assembly can monitor the thickness of garbage in real time through the cooperation of the roller and the L-shaped rod, and send a feeding signal to a corresponding feeder according to the measurement result through a control system.

[0009] Preferably, the feeding mechanism comprises: an inclined pipe, a feeder, a second electric push rod, a control valve and an arc-shaped groove, one side of the hopper is fixedly connected with the inclined pipe, the bottom end of the inclined pipe is fixedly connected with four feeders corresponding to the four L-shaped rods, the two ends of the inclined pipe are in communication with the hopper and the four feeders, one side of the inclined pipe is rotatably connected with a second electric push rod, the inner wall of one side of the hopper close to the inclined pipe is rotatably connected with a control valve, one side of the hopper adjacent to the control valve is provided with an arc-shaped groove, and the output end of the second electric push rod is rotatably connected with the control valve through the arc-shaped groove.

[0010] Preferably, the bottom of the hopper and the bottom of the inclined pipe are fixedly connected with the inside of the incinerator body.

[0011] Preferably, the bottom end of each of the four L-shaped rods is fixedly connected with a roller shovel. The design of the roller shovel can shovel away the garbage attached to the surface of the roller, avoiding measurement errors caused by garbage residues. This design ensures the accuracy of the measurement result.

[0012] Preferably, a control system is installed between the four sets of thickness measuring assemblies and the corresponding feeders, which controls the corresponding feeders to feed according to the distance of the four L-shaped rods descending, and the control system can control the feeding amount of the feeder according to the distance and the time of the sliding block moving in the sliding groove, thereby realizing intelligent regulation and control of the feeding thickness of the incinerator,

[0013] Preferably, a sensor is installed in the middle of the fixed rod, and when the sensor detects that garbage passes below, the first electric push rod is controlled to unlock the four L-shaped rods to measure the thickness of the garbage, and a main machine is installed on one side of the incinerator body, the control system and the sensor are electrically connected with the main machine, and the first electric push rod, the second electric push rod and the bidirectional motor are electrically connected with the main machine, and the whole device realizes automatic control of garbage thickness detection, measurement and feeding through the cooperative work of the sensor, the control system and the electric push rod and the like. This automatic operation reduces the complexity of manual intervention and improves the work efficiency.

[0014] Compared with the related art, the incinerator grate feeding thickness detection device has the following beneficial effects:

[0015] Through the design of the flattening mechanism, the bidirectional motor drives the threaded rod to rotate, and drives the threaded block, connecting rod and scraper to move, thereby realizing uniform flattening of the garbage on the conveyor belt. This design ensures the uniform distribution of garbage in the incinerator, avoids local accumulation or sparseness, and improves the uniformity and efficiency of incineration;

[0016] The thickness measuring assembly can monitor the thickness of the garbage in real time through the cooperation of the roller and the L-shaped rod, and send a feeding signal to the corresponding feeder through the control system according to the measurement result. This measurement and feeding mechanism ensures that the thickness of the garbage in the incinerator is always within the optimal range, further improving the incineration efficiency;

[0017] The control system can control the feeding amount of the feeder according to the distance and the time of the sliding block moving in the sliding groove, thereby realizing intelligent regulation and control of the feeding thickness of the incinerator. This intelligent control mechanism can be flexibly adjusted according to the actual situation, and ensures the stable operation of the incinerator;

[0018] The whole device realizes automatic control of garbage thickness detection, measurement and feeding through the cooperative work of the sensor, the control system and the electric push rod and the like. This automatic operation reduces the complexity of manual intervention and improves the work efficiency;

[0019] The design of the roller shovel can shovel off the garbage attached to the surface of the roller, avoiding measurement errors caused by garbage residues. This design ensures the accuracy of the measurement result. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure schematic view of the feeding thickness detection device of the incinerator grate is provided in the utility model.

[0021] Figure 2 The structure schematic view of the feeding thickness detection device of the incinerator grate is provided in the utility model. Figure 1 The structure schematic view of the feeding thickness detection device of the incinerator grate is provided in the utility model.

[0022] Figure 3 The structure schematic view of the feeding thickness detection device of the incinerator grate is provided in the utility model. Figure 2 The structure schematic view of the feeding thickness detection device of the incinerator grate is provided in the utility model.

[0023] Figure 4 The structure schematic view of the feeding thickness detection device of the incinerator grate is provided in the utility model. Figure 3 The structure schematic view of the feeding thickness detection device of the incinerator grate is provided in the utility model.

[0024] Figure 5 The structure schematic view of the feeding thickness detection device of the incinerator grate is provided in the utility model. Figure 4 The structure schematic view of the feeding thickness detection device of the incinerator grate is provided in the utility model.

[0025] Figure 6 The structure schematic view of the feeding thickness detection device of the incinerator grate is provided in the utility model. Figure 4 The structure schematic view of the feeding thickness detection device of the incinerator grate is provided in the utility model.

[0026] Figure 7 The structure schematic view of the feeding thickness detection device of the incinerator grate is provided in the utility model. Figure 6 The structure schematic view of the feeding thickness detection device of the incinerator grate is provided in the utility model.

[0027] The structure schematic view of the feeding thickness detection device of the incinerator grate is provided in the utility model. DETAILED DESCRIPTION

[0028] In order to make the utility model's purpose, technical scheme and advantage more clearly, the following is in combination with the drawings and examples, and the utility model is further detailed.

[0029] The specific implementation of the utility model is described in detail in combination with specific examples.

[0030] Please refer to Figures 1 to 7The application discloses a kind of incinerator grate feeding thickness detection device, the incinerator grate feeding thickness detection device includes: incinerator body 1, the front end of incinerator body 1 is fixedly connected with hopper 2, the bottom of hopper 2 is fixedly connected with four distributors 3, one side of hopper 2 is fixedly connected with feeding mechanism 9, grate 4 is installed in incinerator body 1, one end of grate 4 close to feed is fixedly connected with conveyor belt 5, the upper middle part of conveyor belt 5 is fixedly connected with frame 6, frame 6 is installed with flattening mechanism 7 and thickness measuring assembly 8, whether the garbage on conveyor belt 5 meets thickness standard is measured by flattening mechanism 7 and thickness measuring assembly 8, and according to the measurement result, feeding mechanism 9 is controlled by sensor to feed, flattening mechanism 7 includes: bidirectional motor 71, threaded rod 72, threaded block 73, connecting rod 74, scraper 75 and cross bar 76, one side of frame 6 is fixedly connected with bidirectional motor 71, the output end of bidirectional motor 71 is fixedly connected with threaded rod 72, four threaded blocks 73 are equidistantly connected with threaded rod 72 in middle part, four connecting rods 74 are fixedly connected with threaded block 73 at bottom respectively, two scrapers 75 are rotatably connected with the bottom end of four connecting rods 74 respectively, cross bar 76 is fixedly connected in frame 6, four connecting rods 74 are slidably connected with cross bar 76 on one side of bottom end, recess is equidistantly formed in the bottom of cross bar 76 corresponding to four groups of scrapers 75, and the end, away from connecting rod 74, of four groups of scrapers 75 is slidably connected with the recess in the bottom of cross bar 76, feeding mechanism 9 includes: inclined pipe 91, feeder 92, second electric push rod 93, control valve 94 and arc-shaped groove 95, one side of hopper 2 is fixedly connected with inclined pipe 91, the bottom end of inclined pipe 91 is fixedly connected with feeder 92 corresponding to four L-shaped rods 84, both ends of inclined pipe 91 are communicated with hopper 2 and four feeders 92 respectively, second electric push rod 93 is rotatably connected with one side of inclined pipe 91, control valve 94 is rotatably connected with the inner wall of one side of hopper 2 close to inclined pipe 91, arc-shaped groove 95 is formed in the side of hopper 2 adjacent to control valve 94, control valve 94 is rotatably connected with the output end of second electric push rod 93 through arc-shaped groove 95, and hopper 2 and the bottom of inclined pipe 91 are fixedly connected with the inside of incinerator body 1 on both sides.

[0031] It should be noted that the front end of the incinerator body 1 receives garbage through the hopper 2, one side of the hopper 2 is provided with an electric valve, the second electric push rod 93 pushes the control valve 94 to open and close, a part of the garbage will enter the four feeders 92 through the inclined pipe 91, when the amount of garbage in the four feeders 92 is full, the second electric push rod 93 automatically pulls the control valve 94 to close, when the amount of garbage in the four feeders 92 is insufficient, the second electric push rod 93 will push the control valve 94 to open for feeding, the bottom of the hopper 2 has four distributors 3, which evenly distribute the garbage to the conveyor belt 5 inside the incinerator body 1, when the garbage on the conveyor belt 5 moves evenly through the frame 6, the pushing mechanism starts to work, the bidirectional motor 71 drives the threaded rod 72 to rotate, and then drives the four threaded blocks 73 to move back and forth along the threaded rod 72, the threaded block 73 is rotationally connected with the scraper 75 through the connecting rod 74, and then drives the scraper 75 to rotate back and forth, the other end of the scraper 75 is slidingly connected with the groove at the bottom of the cross bar 76, so that the other end of the scraper 75 will have a small amplitude movement in the groove at the bottom of the cross bar 76 while the scraper 75 rotates under the action of the connecting rod 74, therefore, the back and forth movement of the threaded block 73 will drive the scraper 75 to flatten the passing garbage, ensuring that the thickness of the garbage on the conveyor belt 5 is evenly distributed.

[0032] Please refer to Figure 1 and Figure 7The thickness measuring assembly 8 comprises a first electric push rod 81, an extension rod 82, a trapezoidal block 83, an L-shaped rod 84, a sliding groove 85, a sliding rod 86, a sliding block 87, a roller 88, a fixed rod 89 and a fixed block 90. The fixed rod 89 is fixedly connected inside the frame 6. The middle part of the fixed rod 89 is fixedly connected with four fixed blocks 90 corresponding to the four threaded blocks 73. The top part of each of the four fixed blocks 90 is provided with a sliding groove 85. The inner wall of each of the four sliding grooves 85 is slidably connected with a sliding block 87. The end of each of the four fixed blocks 90 away from the fixed rod 89 is slidably connected with an L-shaped rod 84. The middle and upper part of each of the four L-shaped rods 84 is rotatably connected with a sliding rod 86. The bottom end of each of the four sliding rods 86 is rotatably connected with a corresponding sliding block 87. The bottom end of each of the four L-shaped rods 84 is rotatably connected with a roller 88. The frame 6 is fixedly connected with the first electric push rod 81 on the side close to the bidirectional motor 71. The output end of the first electric push rod 81 is fixedly connected with the extension rod 82. The middle part of the extension rod 82 is fixedly connected with four trapezoidal blocks 83 corresponding to the four L-shaped rods 84. The bottom end of each of the four L-shaped rods 84 is fixedly connected with a roller 88 shovel 10. The control system is installed between each of the four thickness measuring assemblies 8 and a corresponding material supplementing device 92. The corresponding material supplementing device 92 is controlled to supplement materials according to the distance of the descending of each of the four L-shaped rods 84. The middle part of the fixed rod 89 is provided with a sensor. When the sensor detects that garbage passes below, the first electric push rod 81 is controlled to unlock the four L-shaped rods 84 to measure the thickness of the garbage. The main machine is installed on one side of the incinerator body 1. The control system and the sensor are electrically connected with the main machine. The first electric push rod 81, the second electric push rod 93 and the bidirectional motor 71 are electrically connected with the main machine.

[0033] It should be noted that when the sensor detects that garbage passes, the first electric push rod 81 starts to start and push the extension rod 82 and the trapezoidal block 83 to move. When the trapezoidal block 83 is separated from the L-shaped rod 84, the L-shaped rod 84 descends and drives the roller 88 to descend and contact the garbage. The roller 88 rolls on the garbage. Due to the difference in the thickness of the garbage, the L-shaped rod 84 will rise or descend by different distances. The rising or descending distance of the L-shaped rod 84 is connected with the sliding rod 86 and the sliding block 87 through the rotating connection, so that the sliding block 87 moves in the sliding groove 85. When the thickness of the garbage is insufficient, the L-shaped rod 84 descends and drives the sliding block 87 to move to the area with scales. At this time, the control system sends a material supplementing signal to the corresponding material supplementing device 92. The control system controls the corresponding material supplementing device 92 to quantitatively convey the internal garbage to the conveyor belt 5 according to the distance and the time of the sliding block 87 moving in the area with scales, so that the thickness of the garbage in the area reaches the preset standard. Finally, the garbage is conveyed to the grate 4 on the conveyor belt 5 to perform the incineration step. The bottom end of the L-shaped rod 84 is provided with the roller 88 shovel 10. The roller 88 shovel 10 will shovel off the garbage attached to the surface of the roller 88 during the rolling process of the roller 88, so that the measurement of the thickness of the garbage is more accurate.

[0034] The working principle of the feeding thickness detection device of the incinerator grate provided by the utility model is as follows:

[0035] The front end of the incinerator body 1 receives garbage through the hopper 2, one side of the hopper 2 is provided with a control valve 94, the opening and closing of the control valve 94 is driven by the second electric push rod 93, a part of the garbage will enter the four feeders 92 through the control valve 94 and the inclined pipe 91, when the garbage in the four feeders 92 reaches the full amount, the second electric push rod 93 automatically pulls the control valve 94 to close, when the garbage in the four feeders 92 is insufficient, the second electric push rod 93 will push the control valve 94 to open for feeding, the hopper 2 is provided with four distributors 3 at the bottom, which evenly distribute the garbage to the conveying belt 5 inside the incinerator body 1.

[0036] When the garbage on the conveying belt 5 moves at a constant speed through the frame 6, the pushing mechanism starts to work, the bidirectional motor 71 drives the threaded rod 72 to rotate, thereby driving the four threaded blocks 73 to move back and forth along the threaded rod 72, the threaded block 73 is rotationally connected with the scraper 75 through the connecting rod 74, thereby driving the scraper 75 to rotate back and forth, the other end of the scraper 75 is slidingly connected with the groove at the bottom of the horizontal rod 76, so that the other end of the scraper 75 moves in the groove at the bottom of the horizontal rod 76 with a small amplitude while the scraper 75 rotates under the driving of the connecting rod 74, therefore, the back and forth movement of the threaded block 73 drives the scraper 75 to flatten the passing garbage, thereby ensuring that the thickness of the garbage on the conveying belt 5 is evenly distributed.

[0037] When the sensor detects that the garbage passes, the first electric push rod 81 starts to work, and drives the extension rod 82 and the trapezoidal block 83 to move, when the trapezoidal block 83 is separated from the L-shaped rod 84, the L-shaped rod 84 descends and drives the roller 88 to descend and contact the garbage, the roller 88 rolls on the garbage, due to the difference in the thickness of the garbage, the L-shaped rod 84 will rise or descend by different distances, the rising or descending distance of the L-shaped rod 84 is rotationally connected with the sliding block 87 through the sliding rod 86, so that the sliding block 87 moves in the sliding groove 85, when the thickness of the garbage is less than the preset standard, the descent of the L-shaped rod 84 drives the sliding block 87 to move to the area with scales, at this time, the control system sends a feeding signal to the corresponding feeder 92, the control system controls the corresponding feeder 92 to quantitatively deliver the garbage in the feeder 92 to the conveying belt 5 according to the distance and the time of the sliding block 87 moving in the area with scales, so that the thickness of the garbage in the area reaches the preset standard, and finally the garbage is delivered to the grate 4 on the conveying belt 5 for incineration;

[0038] When the whole feeding work is completed, the second electric push rod 93 is reset and stops working, the bidirectional motor 71 stops rotating, and the first electric push rod 81 is retracted, so that the inclined surface of the trapezoidal block 83 presses the L-shaped rod 84 to move upward for resetting;

[0039] The bottom end of the L-shaped rod 84 is provided with a roller 88, which can scrape off the garbage adhered to the surface of the roller 88 during the rolling of the roller 88, so that the garbage thickness is measured more accurately.

[0040] The above is only the embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A device for detecting the thickness of feed material of an incinerator grate, characterized in that: include: An incinerator body (1) is provided. The front end of the incinerator body (1) is fixedly connected to a hopper (2). The bottom of the hopper (2) is fixedly connected to four distributors (3). One side of the hopper (2) is fixedly connected to a feeding mechanism (9). A grate (4) is installed inside the incinerator body (1). The end of the grate (4) close to the feed is fixedly connected to a conveyor belt (5). A frame (6) is fixedly connected to the upper middle portion of the conveyor belt (5). A flattening mechanism (7) and a thickness measuring component (8) are installed inside the frame (6). Garbage on the conveyor belt (5) is measured by the flattening mechanism (7) and the thickness measuring component (8) to determine whether it meets the thickness standard. The feeding mechanism (9) is controlled by a sensor to feed the garbage according to the measurement result.

2. The incinerator grate feed thickness detection device according to claim 1, characterized in that: The flattening mechanism (7) comprises: a bidirectional motor (71), a threaded rod (72), a threaded block (73), a connecting rod (74), a scraper (75) and a cross bar (76). One side of the frame (6) is fixedly connected to the bidirectional motor (71), the output end of the bidirectional motor (71) is fixedly connected to the threaded rod (72), the middle part of the threaded rod (72) is equidistantly threaded with four threaded blocks (73), the bottoms of the four threaded blocks (73) are respectively fixedly connected to the connecting rod (74), the bottom ends of the four connecting rods (74) are respectively rotatably connected to two scrapers (75), the inside of the frame (6) is fixedly connected to the cross bar (76), one side of the bottom ends of the four connecting rods (74) are slidably connected to the cross bar (76), the bottom of the cross bar (76) is equidistantly provided with grooves corresponding to the four groups of scrapers (75), and the ends of the four groups of scrapers (75) away from the connecting rod (74) are slidably connected to the grooves at the bottom of the cross bar (76).

3. The incinerator grate feed thickness detection device according to claim 2, characterized in that: The thickness measuring assembly (8) includes: a first electric push rod (81), an extension rod (82), a trapezoidal block (83), an L-shaped rod (84), a chute (85), a slide rod (86), a slider (87), a roller (88), a fixed rod (89) and a fixed block (90), wherein the frame (6) is fixedly connected to the inside of the fixed rod (89), and the middle of the fixed rod (89) is fixedly connected to the fixed blocks (90) corresponding to the four threaded blocks (73) at equal intervals, and the tops of the four fixed blocks (90) are respectively provided with chute (85), and the inner walls of the four chute (85) are respectively slidably connected to the slider (87), and the four fixed blocks (90) are away from One end of the fixed rod (89) is slidably connected to an L-shaped rod (84), the middle and upper parts of the four L-shaped rods (84) are rotatably connected to a sliding rod (86), the bottom ends of the four sliding rods (86) are rotatably connected to the corresponding sliders (87), and the bottom ends of the four L-shaped rods (84) are rotatably connected to rollers (88). A first electric push rod (81) is fixedly connected to one side of the frame (6) close to the bidirectional motor (71), and an output end of the first electric push rod (81) is fixedly connected to an extension rod (82), and a trapezoidal block (83) corresponding to the four L-shaped rods (84) is equidistantly fixedly connected to the middle of the extension rod (82).

4. The incinerator grate feed thickness detection device according to claim 3, characterized in that: The feeding mechanism (9) comprises: an inclined tube (91), a feeding device (92), a second electric push rod (93), a control valve (94) and an arcuate groove (95); one side of the hopper (2) is fixedly connected to the inclined tube (91); the bottom end of the inclined tube (91) is fixedly connected to the feeding devices (92) corresponding to the four L-shaped rods (84); the two ends of the inclined tube (91) are respectively connected to the hopper (2) and the four feeding devices (92); one side of the inclined tube (91) is rotatably connected to the second electric push rod (93); the inner wall of the hopper (2) near the inclined tube (91) is rotatably connected to the control valve (94); an arcuate groove (95) is provided on one side of the hopper (2) adjacent to the control valve (94); the control valve (94) is rotatably connected to the output end of the second electric push rod (93) through the arcuate groove (95).

5. The incinerator grate feed thickness detection device according to claim 4, characterized in that: The hopper (2) and both sides of the bottom of the inclined tube (91) are respectively fixedly connected to the inside of the incinerator body (1).

6. The incinerator grate feed thickness detection device according to claim 3, characterized in that: The bottom ends of the four L-shaped rods (84) are respectively fixedly connected to a roller shovel (10).

7. The incinerator grate feed thickness detection device according to claim 4, characterized in that: A control system is installed between the four sets of thickness measuring components (8) and the corresponding feeders (92), and the corresponding feeders (92) are controlled to feed material according to the descending distance of the four L-shaped rods (84).

8. The incinerator grate feed thickness detection device according to claim 7, characterized in that: A sensor is installed in the middle of the fixed rod (89). When garbage is detected passing below the sensor, the first electric push rod (81) is controlled to unlock the four L-shaped rods (84) to measure the thickness of the garbage. A main machine is installed on one side of the incinerator body (1). The control system and the sensor are electrically connected to the main machine. The first electric push rod (81), the second electric push rod (93) and the bidirectional motor (71) are electrically connected to the main machine.

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