Gearbox

Abstract

The utility model belongs to the technical field of mechanical transmission, and discloses a gearbox. The gearbox comprises a mounting box body, a mounting base and a supporting frame, the mounting base covers an operation opening formed in the mounting box body, the operation opening is communicated with the interior of the mounting box body, the mounting base is connected to the mounting box body, a threading hole is formed in the mounting base, and a wire harness of the proximity switch penetrates through the threading hole; the supporting frame is connected to the mounting base, located in the mounting box body, right opposite to a trigger plate of the gear shifting device and used for bearing the proximity switch. The gearbox is simple in structure, when the proximity switch needs to be replaced or maintained, the mounting base can be detached from the mounting box body, so that the supporting frame and the proximity switch are pulled out from the interior of the mounting box body, the proximity switch can be replaced and maintained without forcibly detaching the mounting box body, operation is easy, and the maintenance efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical drive technical field especially relates to a gear box. BACKGROUND

[0002] The plate coiling machine is the rolling mill workshop mechanical equipment that hot rolled or cold rolled steel material is coiled into the cylinder, in order to better realize the coiling effect of different diameter steel coil, the coiling machine needs to set gear shift device inside gear box, to realize the switching of transmission ratio. In order to ensure the accuracy and reliability of coiling machine gear shift, the proximity switch inside gear box is usually added, and the proximity switch is connected to the box of gear box through mounting bracket, and the accuracy and reliability of automatic gear shift are realized by detecting trigger plate.

[0003] At present, when installing the proximity switch, the worker needs to operate from the inside of the gear box through the access hole of the gear box, and the proximity switch is welded in the gear box through the mounting bracket. Because there are many parts inside the gear box, it brings great inconvenience to the installation and subsequent maintenance of the proximity switch. UTILITY MODEL CONTENTS

[0004] The utility model discloses a gear box, simple structure, convenient operation can realize the quick installation and removal of proximity switch.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] The installation box is provided with an operation opening, and the operation opening is communicated with the inside of the installation box.

[0007] The mounting seat is provided at the operation opening, and the mounting seat is connected to the installation box. The mounting seat is provided with a wire hole, and the wire hole is used for the wire harness of the proximity switch.

[0008] The support frame is connected to the mounting seat, and the support frame is located in the inside of the installation box and opposite to the trigger plate of the gear shift device. The support frame is used for bearing the proximity switch.

[0009] Preferably, the mounting seat includes a seat body and a cover plate. The seat body is fixedly arranged on the installation box, and the seat body is provided with a mounting opening opposite to the operation opening. The cover plate is detachably connected to the seat body, and the cover plate covers the mounting opening. The support frame is arranged on the cover plate.

[0010] Preferably, the seat body is provided with a threaded hole, and the cover plate is connected to the threaded hole through bolts.

[0011] Preferably, a plurality of threaded holes are arranged around the mounting opening.

[0012] As preferably, the side of the cover plate away from the inside of the mounting box is provided with a handle.

[0013] As preferably, a sealing gasket is clamped between the cover plate and the seat body.

[0014] As preferably, the seat body has an outer peripheral surface which is welded to the side wall of the operation port.

[0015] As preferably, a wire passing seat is provided on the cover plate, and the wire passing seat has the wire passing hole.

[0016] As preferably, the mounting seat is protruded to the outer surface of the mounting box at the side away from the inside of the mounting box, and a first welding groove is formed between the mounting seat and the outer surface of the mounting box.

[0017] As preferably, the mounting seat is recessed to the inner surface of the mounting box at the side toward the inside of the mounting box, and a second welding groove is formed between the mounting seat and the inner surface of the mounting box.

[0018] The utility model discloses the beneficial effect lies in:

[0019] The utility model provides a gear box, including mounting box, mounting seat and support frame, is set up the operation port in communication in mounting box interior on mounting box, and support frame is connected to mounting seat, because support frame is used to bear proximity switch, and mounting seat is connected to mounting box and support frame stretches into the inside of mounting box and is opposite the trigger plate of gear shifting device and sets up, therefore when installs proximity switch to the inside of mounting box, staff need not to put hand through the access hole and goes into the blind operation of inside, directly mounting seat is connected to mounting box just can assemble in position proximity switch on support frame, save time and labour, greatly convenient operation, when needing to replace or maintain proximity switch, can remove mounting seat from mounting box, thereby support frame and proximity switch are extracted from the inside of mounting box, need not to break down mounting box just can replace and maintain proximity switch, and the operation is simple, and the maintenance efficiency is greatly improved, because mounting seat cover sets up in operation port, therefore mounting seat can block up operation port, prevent the lubricating oil in the inside of mounting box from leaking, and also can prevent the dirt outside through operation port and enter the inside of mounting box, thereby effectively protecting the structure in the inside of mounting box. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the side view of mounting seat and support frame provided in the specific embodiment of the utility model,

[0021] Figure 2 It is the plan view of mounting seat and support frame provided in the specific embodiment of the utility model,

[0022] Figure 3 is a structural schematic view of the seat body provided by the embodiment of the utility model.

[0023] In the drawings:

[0024] 100 - mounting box;

[0025] 200 - proximity switch; 210 - wire harness;

[0026] 300 - trigger plate;

[0027] 1 - mounting seat; 11 - threading hole; 12 - seat body; 121 - mounting port; 122 - threaded hole; 13 - cover plate; 131 - handle; 14 - first welding groove; 15 - second welding groove;

[0028] 2 - support frame;

[0029] 3 - threading seat. DETAILED DESCRIPTION

[0030] The utility model will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0031] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0033] In the description of the present embodiment, the terms "upper", "lower", "right", "left" and the like orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0034] As shown in Figure 1 and Figure 2 The utility model provides a gear box, the gear box includes installation box body 100, mounting seat 1 and support frame 2, is equipped with operating mouth on installation box body 100, operating mouth is communicated at the inside of installation box body 100, mounting seat 1 covers and is equipped at operating mouth, mounting seat 1 is connected in installation box body 100, is equipped with threading hole 11 on mounting seat 1, threading hole 11 is used for the wire harness 210 of access switch 200 to pass through;Support frame 2 is connected to mounting seat 1, support frame 2 is located in the inside of installation box body 100 and support frame 2 is opposite the trigger plate 300 of gear shifting device setting, support frame 2 is used for carrying access switch 200.

[0035] In the embodiment, since the support frame 2 is used for bearing the proximity switch 200, the mounting seat 1 is connected to the mounting box 100 and the support frame 2 extends into the interior of the mounting box 100 and is arranged opposite to the trigger plate 300 of the gear shifting device, therefore, when the proximity switch 200 is mounted into the interior of the mounting box 100, the worker does not need to extend his hand into the interior through the access opening to operate blindly, but directly connects the mounting seat 1 to the mounting box 100 to assemble the proximity switch 200 on the support frame 2 in place, which saves time and effort and greatly facilitates the operation; when the proximity switch 200 needs to be replaced or repaired, the mounting seat 1 can be detached from the mounting box 100, so that the support frame 2 and the proximity switch 200 are extracted from the interior of the mounting box 100, and the proximity switch 200 can be replaced and repaired without disassembling the mounting box 100, which is simple in operation and greatly improves the repair efficiency; since the mounting seat 1 is arranged on the operation opening, the mounting seat 1 can seal the operation opening to prevent the lubricating oil in the interior of the mounting box 100 from leaking and to prevent the external dirt from entering the interior of the mounting box 100 through the operation opening, thereby effectively protecting the structure in the interior of the mounting box 100. Specifically, the mounting box 100 is a housing of a gear box, the proximity switch 200 is detachably mounted on the support frame 2, and the support frame 2 is connected to the mounting seat 1, so that the mounting seat 1, the support frame 2 and the proximity switch 200 are connected as a whole, when the proximity switch 200 is mounted, the worker extends the support frame 2 into the interior of the mounting box 100 through the operation opening and connects the mounting seat 1 to the mounting box 100, so that the installation of the proximity switch 200 is completed; when the proximity switch 200 needs to be taken out, the worker detaches the mounting seat 1 from the mounting box 100 and pulls the mounting seat 1 outward, so that the support frame 2 drives the proximity switch 200 to be taken out from the interior of the mounting box 100, which is simple in structure and convenient in operation.

[0036] Specifically, as shown in Figures 1 to 3 the mounting seat 1 comprises a seat body 12 and a cover plate 13, the seat body 12 is fixedly arranged on the mounting box 100, the seat body 12 is provided with a mounting opening 121 opposite to the operation opening, the cover plate 13 is detachably connected to the seat body 12 and covers the mounting opening 121, and the support frame 2 is arranged on the cover plate 13; since the cover plate 13 is detachably connected to the seat body 12, the proximity switch 200 in the interior of the mounting box 100 can be mounted or detached for multiple times.

[0037] The connection mode of the cover plate 13 and the seat body 12 can be arranged according to actual needs, as long as the cover plate 13 and the seat body 12 are tightly connected and easy to detach. Exemplarily, as shown in Figure 2 and Figure 3As shown in the drawings, the seat body 12 is provided with threaded holes 122, and the cover plate 13 is connected to the threaded holes 122 by bolts; in this embodiment, the operation port is rectangular, the seat body 12 is a rectangular frame structure, the seat body 12 is provided with threaded holes 122, and the cover plate 13 is a rectangular plate structure with the same shape as the outer edge of the seat body 12, which is covered on the seat body 12 and connected to the seat body 12 by bolts.

[0038] As shown in the drawings, Figure 3 In order to ensure the stability and reliability of the connection between the cover plate 13 and the seat body 12, the threaded holes 122 are arranged at intervals around the mounting port 121, so that any position on the cover plate 13 can be stably connected to the seat body 12; specifically, the threaded holes 122 are evenly arranged on the seat body 12.

[0039] In another embodiment, the operation port is circular, the seat body 12 is a circular frame structure, the cover plate 13 is a circular plate structure with the same shape as the outer edge of the seat body 12, and the threaded holes 122 are evenly arranged on the seat body 12 in the circumferential direction.

[0040] As shown in the drawings, Figure 1 and Figure 2 In order to facilitate the staff to hold the mounting seat 1 for disassembly and assembly, a handle 131 is arranged on the side of the cover plate 13 away from the inside of the mounting box 100, and the handle 131 is detachably connected to the cover plate 13.

[0041] Specifically, a sealing gasket is arranged between the cover plate 13 and the seat body 12, which can improve the sealing performance of the mounting seat 1, prevent the lubricating oil in the mounting box 100 from leaking outwards between the cover plate 13 and the seat body 12, and also prevent dust and water in the external environment from entering the inside of the mounting box 100, thereby ensuring the normal operation of the gear box.

[0042] In this embodiment, the seat body 12 is a rectangular frame structure, and the outer periphery of the seat body 12 is welded to the side wall of the operation port, thereby realizing the fixed connection between the seat body 12 and the mounting box 100; specifically, the shape and size of the seat body 12 match those of the operation port, and the outer periphery of the seat body 12 can abut against the side wall of the operation port, thereby ensuring the quality of the welded connection.

[0043] In order to improve the welding quality of the seat body 12 and the mounting box 100, as shown in the drawings, Figure 1 and Figure 2 The mounting seat 1 is protruded from the outer surface of the mounting box 100 on the side away from the inside of the mounting box 100, and a first welding groove 14 is formed between the mounting seat 1 and the outer surface of the mounting box 100, which can increase the welding area between the mounting seat 1 and the mounting box 100 and ensure the penetration of the weld, thereby improving the welding quality.

[0044] Similarly, asFigure 1 and Figure 2 As shown in the figure, the mounting seat 1 is recessed on the inner surface of the mounting box 100 towards the inside of the mounting box 100, and the second welding groove 15 is formed between the mounting seat 1 and the inner surface of the mounting box 100, which has the same effect as the first welding groove 14, both of which are to increase the welding area between the mounting seat 1 and the mounting box 100 and improve the welding quality.

[0045] Further, the cover plate 13 is provided with a wire seat 3, the wire seat 3 has a through wire hole 11, and the wire harness 210 of the proximity switch 200 is connected to the external control unit through the wire hole 11 to output the instruction through the signal detected by the proximity switch 200.

[0046] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection scope of the utility model. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A gear box, characterized in that, The utility model relates to a kind of installation box and proximity switch, including: Mounting box (100), the operating opening is opened in the mounting box (100), and the operating opening is communicated with the inside of the mounting box (100); Mounting seat (1), cover is equipped at the operating opening, the mounting seat (1) is connected to the mounting box (100), and the threading hole (11) is opened in the mounting seat (1), and the threading hole (11) is used to pass through the wire harness (210) of access switch (200); Support frame (2), the support frame (2) is connected to the mounting seat (1), and the support frame (2) is located in the inside of the mounting box (100) and the support frame (2) is opposite trigger plate (300) of gear shifting device arrangement, and the support frame (2) is used to carry the access switch (200).

2. The gear case of claim 1, wherein, The mounting seat (1) includes seat body (12) and cover plate (13), the seat body (12) is fixedly arranged in the mounting box (100), and the mounting opening (121) is opened in the seat body (12) and opposite the operating opening, and the cover plate (13) is detachably connected to the seat body (12), and the cover plate (13) is covered in the mounting opening (121), and the support frame (2) is arranged in the cover plate (13).

3. The gear case of claim 2, wherein, Threaded hole (122) is opened in the seat body (12), and the cover plate (13) is connected to the threaded hole (122) by bolt.

4. The gear case of claim 3, wherein, The threaded hole (122) is spaced apart by multiple around the mounting opening (121).

5. The gear case of claim 2, wherein, The side of the cover plate (13) away from the inside of the mounting box (100) is provided with handle (131).

6. The gear case of claim 2, wherein, Sealing pad is clamped between the cover plate (13) and the seat body (12).

7. The gear case of claim 2, wherein, The seat body (12) has outer circumferential surface, and the outer circumferential surface is welded to the side wall of the operating opening.

8. The gear case of claim 2, wherein, The cover plate (13) is provided with threading seat (3), and the threading seat (3) has the threading hole (11).

9. The gear case of claim 1, wherein, The side of the mounting seat (1) away from the inside of the mounting box (100) is protruded to the outer surface of the mounting box (100), and the first welding groove (14) is formed between the mounting seat (1) and the outer surface of the mounting box (100).

10. The gear box of claim 9, wherein, The side of the mounting seat (1) towards the inside of the mounting box (100) is recessed to the inner surface of the mounting box (100), and the second welding groove (15) is formed between the mounting seat (1) and the inner surface of the mounting box (100).

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