A cement kiln wheel belt pad position detection device

Abstract

The utility model discloses a cement kiln wheel tyre pad position detection device, which belongs to the technical field of cement kiln wheel tyre maintenance, and includes a rotor and a stator. A plurality of inductors and teeth are arranged on the rotor, and the inductors and teeth correspond to each other one by one. A detection element is arranged on one side of the inductor. The utility model has a wheel tyre pad position detection function. The rotor, the inductor and the detection element together constitute a position information detection mechanism. The wheel tyre pad pushes the teeth to drive the rotor to rotate, and the teeth and the inductor rotate synchronously. The detection element transmits the real-time position information of the inductor to the injection control system through the contact and separation process with the rotating inductor. The injection nozzle performs intermittent injection under the control of the injection control system to accurately inject lubricating oil into the gap of the pad. The position information detection mechanism has a simple structure, timely and accurate detection of pad position information, and is not affected by changes in the rotation speed of the cement kiln. It has a high degree of automation, accurate injection position and high work efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of cement kiln wheel belt maintenance, in particular to a cement kiln wheel belt pad position detection device. Background Art

[0002] like Figure 1 As shown, the kiln belt 2 of the cement kiln supports the kiln shell 1 through the belt pad 3. Although the kiln belt 2 and the kiln shell belt pad 3 are in contact, there is a certain belt gap 4. During the operation of the cement rotary kiln, the kiln belt 2 rotates with the kiln shell 1 through the friction between the belt pad 3; if the lubrication between the kiln belt 2 and the belt pad 3 is poor, it may cause the kiln shell to shake, induce the damage or fall off of the refractory bricks in the kiln body, and thus cause unexpected kiln shutdown and maintenance; at the same time, it shortens the service life of the kiln shell pad. The above belt lubrication method is to spray the lubricating oil containing graphite powder into the gap between the pads, and then flow into the belt gap 4 between the belt pad 3 and the kiln belt 2.

[0003] At present, wheel tyre lubrication is done manually, and manual injection of lubricating oil has the problem of inaccurate injection. Utility Model Content

[0004] The utility model aims to provide a cement kiln wheel belt pad position detection device to solve the problem of inaccurate injection of manual lubricating oil.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] The utility model discloses a cement kiln wheel belt pad position detection device, comprising a rotor and a stator. The rotor is provided with a plurality of inductors and teeth, the inductors correspond to the teeth one by one, and a detection element is provided on one side of the inductor.

[0007] Furthermore, the plurality of induction bodies are evenly distributed around a circle, and the teeth are located on the upper side of the induction bodies.

[0008] Furthermore, the stator is configured as an intermediate shaft, the rotor is configured as an outer sleeve, the outer sleeve is rotatably connected to the top of the intermediate shaft, and a plurality of the inductors and a plurality of the teeth are disposed on an outer wall of the outer sleeve.

[0009] Furthermore, the rotor is arranged as an intermediate shaft, and a plurality of the inductors and a plurality of the teeth are arranged on an outer wall of the intermediate shaft.

[0010] Furthermore, the inductor is configured as a fan-shaped iron sheet.

[0011] Furthermore, the detection element is configured as a proximity switch.

[0012] Compared with the prior art, the beneficial technical effects of the utility model are:

[0013] The utility model has the function of detecting the position of a wheel belt pad. The rotor, the inductor and the detection element together constitute a position information detection mechanism. The wheel belt pad pushes the teeth to drive the rotor to rotate, and the teeth and the inductor rotate synchronously. The detection element transmits the real-time position information of the inductor to the injection control system through the contact and separation process with the rotating inductor. The injection nozzle performs intermittent injection under the control of the injection control system to accurately spray the lubricating oil into the gap of the pad. The position information detection mechanism has a simple structure, timely and accurate detection of the pad position information, and is not affected by changes in the rotation speed of the cement kiln. It has a high degree of automation, accurate injection position and high work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model will be further described below in conjunction with the accompanying drawings.

[0015] Figure 1 It is a cross-sectional view of the installation position of the cement kiln wheel tyre pad in the prior art;

[0016] Figure 2 This is a front view of a cement kiln wheel tyre pad position detection device according to a first embodiment of the utility model;

[0017] Figure 3 This is a three-dimensional structural schematic diagram of a cement kiln wheel belt pad position detection device according to a first embodiment of the utility model;

[0018] Figure 4 This is a cross-sectional view of a cement kiln wheel belt pad position detection device according to a first embodiment of the utility model;

[0019] Figure 5 This is a cross-sectional view of a cement kiln wheel pad position detection device according to Embodiment 2 of the present utility model.

[0020] Explanation of the accompanying drawings: 1. Kiln shell; 2. Kiln wheel; 3. Wheel belt pad; 3-1. First pad; 3-2. Second pad; 4. Wheel belt gap; 5. Intermediate shaft; 6. Outer sleeve; 7. Inductor; 8. Tooth; 8-1. First tooth; 8-2. Second tooth; 9. Detection element; 10. Bracket; 11. Base. DETAILED DESCRIPTION

[0021] Embodiment 1

[0022] like Figure 2-4 As shown, a cement kiln wheel pad position detection device includes a rotor and a stator, a plurality of inductors 7 and teeth 8 are installed on the rotor, the inductors 7 and the teeth 8 correspond to each other one by one, the plurality of inductors 7 are evenly distributed around the circumference, the teeth 8 are located on the upper side of the inductors 7, a detection element 9 is arranged on one side of the inductor 7, and the detection element 9 is arranged as a proximity switch.

[0023] The inductor 7 is arranged as a sector iron sheet. The width of the sector iron sheet corresponds to the length of the tyre clearance 4 and is in a certain proportional relationship, while the spacing distance of the sector iron sheets corresponds to the width of the tyre backing plate and is in the same proportional relationship.

[0024] In this embodiment, the stator is arranged as the intermediate shaft 5, the rotor is arranged as the outer sleeve 6, the outer sleeve 6 is rotatably connected to the top of the intermediate shaft 5, and a plurality of the inductors 7 and a plurality of the teeth 8 are arranged on the outer wall of the outer sleeve 6.

[0025] Specifically, the outer sleeve 6 is rotatably connected to the intermediate shaft 5 through a bearing (including but not limited to rolling bearings, sliding bearings, etc.).

[0026] The detection element 9 can be connected to the intermediate shaft 5 as the stator through a connecting frame, or can be installed on the top of the support frame, and the support frame is placed below the inductor 7; in any case, the detection element 9 is always located below the inductor 7.

[0027] In addition, as Figure 2 shown, a support 10 is connected below the intermediate shaft 5, and one end of the support 10 away from the intermediate shaft 5 is connected to the base 11. The base 11 is placed on the ground, so that the detection device is placed on one side of the tyre of the cement kiln, facilitating detection.

[0028] As Figure 2 shown, during the rotation of the cement kiln, the first tooth 8-1 rotates together with the first backing plate 3-1 under the push of the first backing plate 3-1. During this process, the second tooth 8-2 is inserted into the gap between the first backing plate 3-1 and the second backing plate 3-2. As the cement kiln continues to rotate, the first tooth 8-1 will separate from the first backing plate 3-1, and the second tooth 8-2 will rotate together with the second backing plate 3-2 under the push of the second backing plate 3-2. In this way, the third tooth will repeat the action of the second tooth 8-2, and so on continuously. In this way, the position information of each tyre backing plate 3 of the cement kiln is transmitted in a way similar to the "meshing" of gears. Then this information is detected by the proximity switch as a sensor, and the lubricating oil containing graphite powder is accurately sprayed into the backing plate gap by using the existing oil injection device.

[0029] Length of tooth = [k(L / m - S)] / 2sin(π / n) + S - R

[0030] Where k is the proportionality coefficient, 0 < k < 1; L is the inner circumference of the tyre, S is the length of the kiln backing plate, m is the number of kiln backing plates, R is the radius of the rotating wheel shaft, and n is the number of teeth (natural number n≥3).

[0031] This embodiment provides a device for converting the position information of the pad into an electrical signal through a sensor, but the conversion of the position information is not limited thereto. Figure 3 As shown, the jacket 6 is connected with an inductor 7 and a tooth 8, the jacket 6, the inductor 7, and the tooth 8 rotate synchronously, the jacket 6 is connected to the intermediate shaft 5 through a bearing, the belt pad 3 pushes the tooth 8 to rotate, the jacket 6 and the tooth 8 rotate synchronously, and each inductor 7 on the jacket 6 corresponds to the tooth 8. A proximity switch is installed under the inductor 7, so that the relative position of the proximity switch and the fan-shaped iron sheet reflects the position of the kiln pad, and the width of the fan-shaped iron sheet corresponds to the length of the gap between the pads. When the fan-shaped iron sheet approaches the proximity switch, the switch is closed, and when it is far away, the switch is disconnected, so that the switch signal of the proximity switch can be used to control the oil nozzle at a fixed position to spray oil intermittently, and the lubricating oil can be accurately sprayed into the gap between the pads.

[0032] The number of teeth 8 and inductors 7 is a natural number greater than or equal to 3. In this embodiment, the number of inductors 7 and teeth 8 is six. In actual production and use, the number of inductors and teeth can be determined according to actual needs, and can also be set to three, four, five, seven, eight, etc.

[0033] Embodiment 2

[0034] In this embodiment, on the basis of the first embodiment, the stator and the rotor are adjusted, such as Figure 5 As shown, the rotor is configured as an intermediate shaft 5 , and a plurality of the inductors 7 and a plurality of the teeth 8 are disposed on the outer wall of the intermediate shaft 5 .

[0035] At this time, the intermediate shaft 5 is rotatably connected to the outer sleeve 6, and the outer sleeve 6 is fixed as a stator and connected to the bracket 10. The detection element 9 can be connected to the outer sleeve 6 as a stator through a connecting frame, or can be installed on the top of a supporting frame, and the supporting frame is placed under the induction body 7; no matter which method is used, the detection element 9 is always located under the induction body 7.

[0036] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A cement kiln wheel pad position detection device, characterized in that: It comprises a rotor and a stator. A plurality of inductors (7) and teeth (8) are arranged on the rotor. The inductors (7) and the teeth (8) correspond to each other one by one. A detection element (9) is arranged on one side of the inductor (7).

2. The cement kiln wheel pad position detection device according to claim 1 is characterized in that: The plurality of induction bodies (7) are evenly distributed around the circumference, and the teeth (8) are located on the upper side of the induction bodies (7).

3. The cement kiln wheel pad position detection device according to claim 2 is characterized in that: The stator is configured as an intermediate shaft (5), the rotor is configured as an outer sleeve (6), the outer sleeve (6) is rotatably connected to the top of the intermediate shaft (5), and a plurality of the inductors (7) and a plurality of the teeth (8) are arranged on the outer wall of the outer sleeve (6).

4. The cement kiln wheel pad position detection device according to claim 2, characterized in that: The rotor is arranged as an intermediate shaft (5), and a plurality of the inductors (7) and a plurality of the teeth (8) are arranged on the outer wall of the intermediate shaft (5).

5. The cement kiln wheel pad position detection device according to claim 1, characterized in that: The induction body (7) is configured as a fan-shaped iron sheet.

6. The cement kiln wheel pad position detection device according to claim 1, characterized in that: The detection element (9) is configured as a proximity switch.

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