Dismounting device for speed reducer of coal feeder

Abstract

The utility model provides a coal feeder speed reducer dismantling device which comprises a main body frame, connecting parts are fixed on two sides of the main body frame, and the bottom of the main body frame is connected with a power part. According to the utility model, the connecting part is connected with the speed reducer of the coal feeder, and the speed reducer is dismounted by utilizing the power of the power part, so that the speed reducer can be safely and quickly dismounted, the labor cost and the time cost are greatly saved, and the integrity of the dismounted speed reducer can be ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal feeder dismounting, in particular to a coal feeder speed reducer dismounting device. BACKGROUND

[0002] The dismounting of the coal feeder speed reducer is a difficult work, due to the limitation of the unit layout design, the installation density of the coal feeder is relatively large, the installation spacing between the coal feeders is relatively small, the coal feeder is usually installed in a relatively compact environment, and the space around the speed reducer is limited. The narrow space increases the dismounting operation difficulty of the maintenance personnel, especially when the speed reducer is dismounted by using a large hammer, a crowbar and the like, the large dismounting tool cannot be smoothly used, and the small space hinders the vision of the maintenance personnel, so that the accuracy of the falling point position of the hammer cannot be accurately judged, the equipment and the personnel are easily damaged, the operation difficulty is large, and the safety is low.

[0003] The speed reducer is dismounted by using the knocking and hitting mode in the narrow and inconvenient operation space, and the speed reducer itself is inevitably damaged. During the dismounting process, due to improper use of the tool or forced dismounting, the speed reducer shell may be damaged, the bearing may be damaged, the main shaft may be deformed and broken, and the seal may be damaged, so that the maintenance cost of the dismounted speed reducer is greatly increased. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of how to provide a device capable of improving the dismounting efficiency and high in safety.

[0005] The utility model solves the above technical problems by the following technical scheme:

[0006] The utility model provides a coal feeder speed reducer dismounting device, including main body frame, fixed connection part is connected in both sides of main body frame, and its bottom connects power part.

[0007] Beneficial effect: the utility model discloses a connecting part and the connection of coal feeder speed reducer, and then the power of power part is used to dismount the speed reducer, which can safely and quickly dismount the speed reducer, greatly saves the labor cost and time cost, and guarantees the integrity of the dismounted speed reducer.

[0008] Preferably, the connecting part is a threaded rod, one end of the threaded rod is fixed on the main body frame through a nut, and the other end can be connected with the threaded hole of the coal feeder speed reducer.

[0009] Preferably, the connecting part is a connecting rod, both ends of the connecting rod are provided with threads, one end thread is fixed on the main body frame through a nut, and the other end thread can be connected with the threaded hole of the coal feeder speed reducer.

[0010] Preferably, the two sides of the main frame are provided with through holes, and the connecting components are fixed in the main frame through the through holes.

[0011] Preferably, the distance between the two side through holes matches the distance between the threaded holes of the coal feeder reducer.

[0012] Preferably, a pad is arranged between the nut and the main frame, and the connecting component passes through the pad.

[0013] Beneficial effects: the utility model discloses through setting up pad, increase the stress area of connecting component and main frame, reduce pressure intensity, avoid main frame damage.

[0014] Preferably, the power component is a hydraulic jack, and the hydraulic jack is fixed at the center position between the connecting components.

[0015] Preferably, the main frame comprises a bottom plate and a side plate, and the two side ends of the bottom plate are vertically connected with the side plate.

[0016] Preferably, the length of the bottom plate is 347-350mm, the width is 80-84mm, and the thickness is 4-6mm; the length of the side plate is 347-350mm, the width is 45-48mm, and the thickness is 4-6mm.

[0017] Preferably, the thread length is 50mm.

[0018] The utility model discloses the advantages are in at:

[0019] The utility model discloses a device cleverly utilizes the structural features of the reducer itself, connects the dismantling device and the coal feeder reducer through a straight rod thread, then utilizes the hydraulic jack and fixes between the coal feeder reducer main shaft and the main frame, and through the power conversion of the hydraulic jack into the tension of the connecting component, the coal feeder reducer is dismantled. The device solves the problem that the reducer cannot be fixed, reduces the demand for working space, can safely and quickly dismantle the reducer, greatly saves the labor cost and time cost, and can also guarantee the integrity of the dismantled reducer. DRAWINGS

[0020] Figure 1 It is the structure schematic diagram of a coal feeder reducer dismantling device of the embodiment. CONCRETE IMPLEMENTING METHOD

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below in conjunction with the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. It should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] according to Figure 1 As shown, this embodiment provides a coal feeder reducer dismantling device, including a main frame 10, fixed connecting parts 11 on both sides of the main frame 10, and a power unit 14 connected to its bottom; the device is connected to the coal feeder reducer through the connecting parts 11, and the reducer is dismantled by the power of the power unit 14. The device can dismantle the reducer safely and quickly, greatly saving labor and time costs, and ensuring the integrity of the dismantled reducer.

[0024] The main frame 10 includes a base plate 10a and side plates 10b, which are vertically connected to the base plate 10a at both ends. In this embodiment, the base plate 10a is 347.6 mm long, 81.1 mm wide, and 5 mm thick, and the side plate 10b is 347.6 mm long, 46.3 mm wide, and 5 mm thick.

[0025] The base plate 10a has through holes on both sides along its length (not shown in the figure). The distance between the through holes on both sides matches the distance between the threaded holes of the feeder reducer. The connecting component 11 is a connecting rod with threads at both ends. The length of the threads at both ends is 50mm. The connecting rod passes through the through holes of the base plate 10a. One end of the connecting rod is fixed to the base plate 10a by a nut 12, and the other end of the connecting rod is threaded to the threaded hole of the feeder reducer.

[0026] In order to increase the bearing area of ​​the main frame 10, a pad 13 is provided between the nut 12 and the base plate 10a. The connecting rod passes through the pad 13. The pad 13 is 90mm long, 58mm wide and 14mm thick, which reduces the pressure on the main frame 10 and avoids damage to the main frame 10.

[0027] The power component 14 is a hydraulic jack, which is fixed at the center position between the connecting components 11. The size of the hydraulic jack needs to be determined based on factors such as the operating space of the coal feeder reducer and the size of the reducer itself. In this embodiment, the hydraulic jack used is a QL16 model, manufactured by Ningbo Changcheng Precision Industry Co., Ltd.

[0028] The working principle of the coal feeder reducer removal device in this embodiment is as follows:

[0029] First, unscrew the bolts on both sides of the feeder reducer and connect the thread of one end of the connecting rod in this embodiment to the threaded hole of the feeder reducer to complete the fixing of the feeder reducer. Then, fix the hydraulic jack between the feeder reducer main shaft and the main frame 10. Adjust the connecting rod and the main frame 10 to a suitable position using the nut 12, control the lifting force of the hydraulic jack, and remove the reducer through the connecting rod.

[0030] The device of this invention solves the problem of the inability to fix the speed reducer, reduces the need for workspace, and enables the speed reducer to be disassembled safely and quickly, greatly saving labor and time costs, while also ensuring the integrity of the disassembled speed reducer.

[0031] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A device for dismantling a coal feeder reducer, characterized in that, It includes a main frame (10), with fixed connecting parts (11) on both sides of the main frame (10) and a power unit (14) connected to its bottom.

2. The coal feeder reducer dismantling device according to claim 1, characterized in that, The connecting component (11) is a threaded rod. One end of the threaded rod is fixed to the main frame (10) by a nut (12), and the other end can be connected to the threaded hole of the coal feeder reducer.

3. The coal feeder reducer dismantling device according to claim 2, characterized in that, The connecting component (11) is a connecting rod with threads at both ends. One thread is fixed to the main frame (10) by a nut (12), and the other thread can be connected to the threaded hole of the feeder reducer.

4. The coal feeder reducer dismantling device according to claim 2 or 3, characterized in that, The main frame (10) has through holes on both sides, and the connecting component (11) passes through the through holes and is fixed to the main frame (10).

5. The coal feeder reducer dismantling device according to claim 4, characterized in that, The distance between the through holes on both sides matches the distance between the threaded holes of the feeder reducer.

6. The coal feeder reducer dismantling device according to claim 2 or 3, characterized in that, A pad (13) is provided between the nut (12) and the main frame (10), and the connecting part (11) passes through the pad (13).

7. The coal feeder reducer dismantling device according to claim 1, characterized in that, The power component (14) is a hydraulic jack, which is fixed at the center position between the connecting components (11).

8. The coal feeder reducer dismantling device according to claim 1, characterized in that, The main frame (10) includes a base plate (10a) and side plates (10b), which are vertically connected to the two ends of the base plate (10a) and the side plates (10b).

9. The coal feeder reducer dismantling device according to claim 8, characterized in that, The base plate (10a) has a length of 347-350mm, a width of 80-84mm, and a thickness of 4-6mm; the side plate (10b) has a length of 347-350mm, a width of 45-48mm, and a thickness of 4-6mm.

10. The coal feeder reducer dismantling device according to claim 3, characterized in that, The thread length is 50mm.

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