Derailleur for mining scraper conveyor

Abstract

The utility model relates to the technical field of scraper conveying equipment, in particular to a derailleur for a mining scraper conveyor, which comprises a positioning seat and a shifting fork, and is characterized in that a limiting groove is formed in one side of the positioning seat, a positioning plate is fixedly connected to one side of the shifting fork, a clamping groove is formed in one side, far away from the shifting fork, of the positioning plate, and the limiting groove is fixedly connected with the positioning plate. The positioning plate is inserted into the limiting groove, the positioning seat is inserted into the clamping groove, and connecting holes are formed in the two sides of the top of the positioning seat. The positioning device has the advantages that the positioning seat is of a plate-shaped structure and can be integrally punched and formed through punching equipment, the shifting fork and the positioning plate are of an integrated plate-shaped structure and can be integrally punched and formed through punching equipment, and the positioning plate is clamped on the positioning seat, so that welding is not needed, production is facilitated, and the production efficiency can be improved; when the upper surface and the lower surface of the shifting fork are seriously abraded and need to be replaced, the shifting fork and the positioning plate can be detached for replacement, the positioning seat does not need to be replaced, and therefore the later maintenance cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to scraper conveyer technology field, especially in scraper conveyor for mining chain shifter. BACKGROUND

[0002] Scraper conveyor is widely used in coal mine transportation, and chain shifter is a part in scraper conveyor located in sprocket position. The chain shifter is the key part of correct meshing and disengaging of scraper chain and sprocket, which prevents the chain ring from being stuck in the sprocket groove and cannot be separated at the normal separation point when the sprocket assembly and the meshing ring chain are separated.

[0003] The existing scraper conveyor for mining mainly includes mounting seat and fork structure, a plurality of mounting holes are formed on the mounting seat for being fixed in the scraper conveyor by bolts, and the fork is usually welded on the mounting seat, which is simple and firm in structure. However, the welding method has the following defects in production:

[0004] When the fork is welded on the mounting seat, the process is relatively long, which greatly affects the production efficiency. SUMMARY

[0005] The utility model aims at solving one of the technical defects in the background art.

[0006] Therefore, one purpose of the utility model is to provide a chain shifter for scraper conveyor for mining, which aims to solve the problem of low production efficiency of the chain shifter for scraper conveyor for mining in the prior art because the fork needs to be welded on the mounting seat.

[0007] In order to achieve the above purpose, one embodiment of the utility model provides a chain shifter for scraper conveyor for mining, which comprises a positioning seat and a fork. A limiting groove is formed on one side of the positioning seat. A positioning plate is fixedly connected to one side of the fork. A clamping groove is formed on the side of the positioning plate away from the fork. The positioning plate is inserted into the limiting groove, and the positioning seat is inserted into the clamping groove. Connecting holes are formed on both sides of the top of the positioning seat.

[0008] The positioning seat is a plate structure, and the limiting groove and the connecting hole on the positioning seat can be integrally stamped by a stamping device. The fork and the positioning plate are an integral plate structure, and the clamping groove and the groove on the positioning plate can also be integrally stamped by a stamping device. The positioning plate is clamped on the positioning seat, so welding is not required, which is convenient for production and can improve production efficiency. When the upper and lower surfaces of the fork are severely worn and need to be replaced, the fork and the positioning plate can be disassembled and replaced, and the positioning seat does not need to be replaced, thereby saving the maintenance cost in the later period.

[0009] Preferably, the base has a top with a socket, the positioning plate has a bottom with a groove near one side of the yoke, the top of the base is attached to the bottom of the positioning seat, and the positioning plate is inserted into the socket, and the top of the base has a through hole corresponding to the connecting hole.

[0010] The base is also a plate structure, the socket and the through hole on the base can be integrally formed by stamping equipment, and the groove on the positioning plate can also be integrally formed by stamping equipment, the socket on the base is sleeved on the lower plate of the positioning plate after the positioning plate is clamped on the positioning seat, so welding is still not required, the base can limit the front-back direction of the positioning plate, the yoke cannot slide towards the chain wheel, the fixing of the positioning plate is more reliable than the first aspect, and the base fills the gap between the positioning seat and the tongue plate, so that the positioning seat is not easy to bend and deform during stress.

[0011] Preferably, the top of the base is fixedly connected with a positioning rod, and the bottom of the positioning seat is provided with a positioning hole corresponding to the positioning rod.

[0012] The positioning rod on the base is matched with the positioning hole on the positioning seat, when the positioning rod is inserted into the positioning hole, the through hole and the connecting hole are aligned, so that the chain derailleur is installed on the tongue plate, the alignment of the connecting hole, the through hole and the fixing hole on the tongue plate is facilitated, the bolt can be smoothly inserted, and installation of the chain derailleur is facilitated.

[0013] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0014] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings.

[0015] Figure 1 It is a structural schematic view of the upper part of the embodiment one of the present application.

[0016] Figure 2 It is a structural schematic view of the lower part of the embodiment one of the present application.

[0017] Figure 3 It is a structural schematic view of the positioning seat in the embodiment one of the present application.

[0018] Figure 4 It is a structural schematic view of the yoke in the embodiment one of the present application.

[0019] Figure 5Structure schematic view of upper portion of the embodiment two of the utility model.

[0020] Figure 6 Structure schematic view of lower portion of the embodiment two of the utility model.

[0021] Figure 7 Structure schematic view of positioning seat in the embodiment two of the utility model.

[0022] Figure 8 Structure schematic view of shifting fork in the embodiment two of the utility model.

[0023] Figure 9 Structure schematic view of base in the embodiment two of the utility model.

[0024] Wherein: 1, positioning seat, 11, limit slot, 12, connecting hole, 13, positioning hole, 2, shifting fork, 21, positioning plate, 22, clamping groove, 221, upper plate, 222, middle plate, 223, lower plate, 23, recess, 3, base, 31, insertion hole, 32, through hole, 33, positioning rod. DETAILED DESCRIPTION

[0025] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation of the utility model.

[0026] In the utility model, unless explicitly defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, or electrically connected, can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside 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.

[0027] The utility model provides a kind of chain shifter for mine scraper conveyor.

[0028] Embodiment one:

[0029] As Figures 1-4As shown, it includes a positioning seat 1 and a shift fork 2. A limiting groove 11 is provided on one side of the positioning seat 1. A positioning plate 21 is fixedly connected to one side of the shift fork 2. A slot 22 is provided on the side of the positioning plate 21 away from the shift fork 2. The positioning plate 21 is inserted into the limiting groove 11 to restrict the left and right direction of the positioning plate 21, so that the shift fork 2 will not slide left and right. The positioning seat 1 is inserted into the slot 22 to restrict the up and down direction of the positioning plate 21, so that the shift fork 2 will not slide up and down. Connecting holes 12 are provided on both sides of the top of the positioning seat 1.

[0030] The working principle of this embodiment is as follows: In use, the shift fork 2 is snapped into the limiting groove 11 on the positioning seat 1 by the positioning plate 21, and then the positioning seat 1 is placed on the tongue plate of the scraper conveyor. The positioning seat 1 is installed on the tongue plate of the scraper conveyor by using bolts to pass through the fixing holes and connecting holes 12 on the tongue plate, and then threading the nuts onto the bolt surface. The bottom of the positioning plate 21 is located between the tongue plate and the positioning seat 1, and the positioning plate 21 is in contact with it, so that the positioning plate 21 is not easy to slide towards the sprocket, thereby fixing the positioning plate 21 and completing the installation of the shifter.

[0031] Example 2:

[0032] like Figures 5-9 As shown, based on Embodiment 1, it also includes a base 3. The top of the base 3 has an insertion hole 31, and the bottom of the positioning plate 21 has a groove 23 on the side near the shift fork 2. Figure 8 As shown, the slot 22 and groove 23 divide the positioning plate 21 into three parts: upper plate 221, middle plate 222 and lower plate 223. The top of the base 3 fits against the bottom of the positioning seat 1, and the positioning plate 21 is inserted into the insertion hole 31. That is, the lower plate 223 of the positioning plate 21 is inserted into the insertion hole 31. A through hole 32 is provided at the position corresponding to the connecting hole 12 on the top of the base 3. When the derailleur is installed on the tongue plate with a bolt, the bolt passes through the connecting hole 12, the through hole 32 and the fixing hole on the tongue plate at the same time. Thus, the bolt can restrict the position of the base 3, and the base 3 restricts the front and rear direction of the positioning plate 21, so that the positioning plate 21 will not slide towards the sprocket.

[0033] Preferably, a positioning rod 33 is fixedly connected to the top of the base 3. The positioning rod 33 can be fixed to the base 3 by adhesive or spot welding. Due to its small size, welding is relatively simple and does not waste too much time. A positioning hole 13 is provided at the bottom of the positioning seat 1 corresponding to the positioning rod 33. When the positioning rod 33 is inserted into the positioning hole 13, the connecting hole 12 and the through hole 32 correspond. Therefore, it is convenient to align the connecting hole 12 and the through hole 32, so that when it is installed on the tongue plate, it is convenient to align the fixing hole, the connecting hole 12 and the through hole 32.

[0034] The working principle of the embodiment is as follows: in use, first, the shift fork 2 is clamped on the positioning seat 1 through the positioning plate 21, then the base 3 is placed on the bottom of the positioning seat 1, so that the lower plate 223 part of the positioning plate 21 is inserted into the insertion hole 31, then the base 3 is placed on the tongue plate, the bolt is threaded through the fixing hole on the tongue plate and the through hole 32 on the base 3 and the connecting hole 12 on the positioning seat 1, and the nut is screwed on the surface of the bolt, so that the installation of the chain derailleur is completed.

[0035] Compared with the prior art, the utility model has the following beneficial effects:

[0036] 1, the positioning seat 1 is a plate structure, the limiting groove 11 and the connecting hole 12 on the positioning seat 1 can be integrally stamped by stamping equipment, the shift fork 2 and the positioning plate 21 are an integral plate structure, the clamping groove 22 and the recess 23 on the positioning plate 21 can also be integrally stamped by stamping equipment, the base 3 is also a plate structure, the insertion hole 31 and the through hole 32 on the base 3 can also be integrally stamped by stamping equipment, the positioning plate 21 is clamped on the positioning seat 1, and the insertion hole 31 on the base 3 is sleeved on the lower plate 223 part of the positioning plate 21, so that welding is not needed, thereby facilitating production and improving production efficiency.

[0037] 2, in the second embodiment, the base 3 is provided, and the clamping groove recess 23 is formed in the bottom of the positioning plate 21, so that the insertion hole 31 is sleeved on the lower plate 223 part of the positioning plate 21, then after the chain derailleur is installed on the tongue plate, the base 3 can limit the front and back directions of the positioning plate 21, so that the shift fork 2 cannot slide towards the direction of the chain wheel, compared with the mode that the positioning plate 21 is in contact with the tongue plate in the first embodiment, the base 3 in the second embodiment makes the positioning plate 21 more fixed, and the base 3 fills the gap between the positioning seat 1 and the tongue plate, so that the positioning seat 1 is not easy to bend and deform in the stress process.

[0038] 3, the base 3 is provided with the positioning rod 33, which matches the positioning hole 13 on the positioning seat 1, when the positioning rod 33 is inserted into the positioning hole 13, the through hole 32 and the connecting hole 12 are aligned, so that when the chain derailleur is installed on the tongue plate, the connecting hole 12, the through hole 32 and the fixing hole on the tongue plate are aligned, the bolt can be smoothly inserted, thereby facilitating the installation of the chain derailleur, and the structure of the positioning rod 33 is small, whether using gluing or welding mode during fixing, it is relatively simple, and time is not wasted too much, so that the production efficiency is not affected too much.

Claims

1. A chain propeller for a mining scraper conveyor, comprising a positioning seat (1) and a propeller fork (2), characterized in that, The positioning seat (1) is provided with a limiting groove (11) on one side, the yoke (2) is fixedly connected with a positioning plate (21) on one side, the positioning plate (21) is provided with a clamping groove (22) on the side away from the yoke (2), the positioning plate (21) is inserted into the limiting groove (11), and the positioning seat (1) is inserted into the clamping groove (22), and the positioning seat (1) is provided with a connecting hole (12) on both sides of the top.

2. The chain prop for a mining scraper conveyor according to claim 1, characterised in that Further comprising a base (3), the top of the base (3) is provided with a insertion hole (31), the bottom of the positioning plate (21) is provided with a groove (23) near the yoke (2), the top of the base (3) is combined with the bottom of the positioning seat (1), and the positioning plate (21) is inserted into the insertion hole (31).

3. A chain prop for a mining scraper conveyor according to claim 2, characterised in that The top of the base (3) is provided with a through hole (32) corresponding to the connecting hole (12).

4. A chain prop for a mining scraper conveyor according to claim 3, characterised in that The top of the base (3) is fixedly connected with a positioning rod (33), and the bottom of the positioning seat (1) is provided with a positioning hole (13) corresponding to the positioning rod (33).

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