Tensioning device for chain or belt

Abstract

The utility model provides a chain or belt tensioning device which comprises a mounting seat, a mounting back plate, a chain wheel, a plurality of fixing bolts and a plurality of adjusting nuts, the mounting back plate is fixedly connected with the mounting seat, the chain wheel is rotatably mounted on the mounting back plate, and the fixing bolts are arranged on the chain wheel. The fixing bolts penetrate through the mounting back plate in parallel, the fixing bolts are in threaded connection with the mounting base, the adjusting nuts are in threaded connection with the fixing bolts, and the adjusting nuts are located on the two sides of the mounting back plate respectively; the position of the mounting back plate is changed by rotating the adjusting nut, the mounting back plate is limited and fixed, and the chain wheel is attached to the chain or abuts against the belt. The tensioning device for the chain or the belt is simpler in structure, more convenient and faster to adjust and wider in application range.

Description

Technical Field

[0001] The utility model relates to the technical field related to logistics and warehousing, and more precisely to a tensioning device for a chain or a belt. Background Art

[0002] Stackers are commonly used equipment in the field of logistics and warehousing, and telescopic forks are the terminal execution devices of stackers. Existing telescopic forks are generally composed of a number of fork bodies that are slidably connected in sequence. The fork bodies are connected by a transmission structure to achieve synchronous telescopic movement. Existing transmission structures include chains and belts, among which chains are the most commonly used transmission structures. In order to ensure the effectiveness and transmission efficiency of chain and belt transmission, a chain or belt tensioning device is required to tension the chain or belt. Existing chain or belt tensioning devices generally have a more complex structure, and the manufacturing and installation costs are relatively high. In addition, telescopic forks come in a variety of models and specifications, and existing chain or belt tensioning devices are generally only suitable for a limited number of telescopic forks and cannot be directly applied to different types of telescopic forks.

[0003] In summary, the art requires a chain or belt tensioning device with a simpler structure, more convenient and quick adjustment, and a wider range of applications. Utility Model Content

[0004] In view of this, an object of the present invention is to provide a tensioning device for a chain or belt, which has a simple and easy-to-adjust tensioning adjustment structure to improve adaptability and reduce installation difficulty and cost.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a chain or belt tensioning device, including a mounting seat, a mounting back plate, a sprocket, a plurality of fixing bolts and a plurality of adjusting nuts, the mounting back plate is fixedly connected to the mounting seat, the sprocket is rotatably mounted on the mounting back plate, a plurality of the fixing bolts are arranged parallel to each other through the mounting back plate, and the fixing bolts are threadedly connected to the mounting seat, a plurality of the adjusting nuts are threadedly connected to the fixing bolts, and the adjusting nuts are respectively located on both sides of the mounting back plate; rotating the adjusting nut changes the position of the mounting back plate and forms a limited fixation on the mounting back plate, and the sprocket is in contact with the chain or abuts against the belt.

[0006] Preferably, it comprises two fixing bolts arranged parallel to each other, and both of the fixing bolts pass through the mounting back plate.

[0007] Preferably, the mounting base includes a bottom plate and two side plates, the two side plates are located at both ends of the bottom plate, the two side plates are aligned parallel to each other, and both the side plates are perpendicular to the bottom plate.

[0008] Preferably, the fixing bolt is threadedly connected to the two side plates.

[0009] Preferably, the base plate has a plurality of mounting threaded holes, and the mounting seat is fixedly connected to the device body through the mounting threaded holes in combination with bolts.

[0010] Preferably, the side plate has a plurality of bolt threaded holes, and the fixing bolts are threadedly connected to the bolt threaded holes.

[0011] Preferably, the mounting backplate includes a backplate body and a sprocket mounting shaft mounted in combination with the backplate body, the backplate body has a plurality of bolt through holes for passing the fixing bolts, and the adjusting nuts are respectively arranged at both ends of the bolt through holes.

[0012] Compared with the prior art, the advantages of the chain or belt tensioning device disclosed in the present invention are: the chain or belt tensioning device has a simpler structure, is more convenient and quick to adjust, and has a wider range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] like Figure 1 Shown is a schematic structural diagram of a chain or belt tensioning device of the present invention.

[0015] like Figure 2 Shown is a structural schematic diagram of a mounting base of a chain or belt tensioning device according to the present invention.

[0016] like Figure 3 Shown is a structural schematic diagram of a mounting back plate of a chain or belt tensioning device according to the present invention. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] like Figure 1As shown, the present application discloses a chain or belt tensioning device comprising a mounting base 1, a mounting back plate 2, a sprocket 3, a plurality of fixing bolts 4, and a plurality of adjusting nuts 5. The mounting back plate 2 is fixedly connected to the mounting base 1, and the sprocket 3 is rotatably mounted on the mounting back plate 2. The plurality of fixing bolts 4 are arranged parallel to each other through the mounting back plate 2, and the fixing bolts 4 are threadedly connected to the mounting base 1. The plurality of adjusting nuts 5 are threadedly connected to the fixing bolts 4, and the adjusting nuts 5 are respectively located on both sides of the mounting back plate 2. The adjusting nuts 5 are rotated to change the position of the mounting back plate 2 and form a limit fixation for the mounting back plate 2. The sprocket 3 fits the chain 100 or abuts the belt, thereby achieving a tensioning function for the chain or belt. The position of the mounting back plate 2 can be adjusted within a wide range by adjusting the nuts 5, and is suitable for a variety of equipment of different specifications. The chain or belt tensioning device has a simpler structure, is more convenient and quick to adjust, and has a wider range of applications.

[0019] Specifically, the chain or belt tensioning device includes two fixing bolts 4 arranged parallel to each other, and both fixing bolts 4 pass through the mounting back plate 2.

[0020] See also Figure 2 The mounting base 1 includes a base plate 11 and two side plates 12. The two side plates 12 are located at both ends of the base plate 11, aligned parallel to each other, and perpendicular to the base plate 11. The fixing bolts 4 are threadedly connected to the two side plates 12. The base plate 11 has a plurality of mounting threaded holes 111, and the mounting base 1 is fixedly connected to the device body through the mounting threaded holes 111 and the bolts. The side plates 12 have a plurality of bolt threaded holes 121, and the fixing bolts 4 are threadedly connected to the bolt threaded holes 121.

[0021] See also Figure 3 The mounting back plate 3 includes a back plate body 21 and a sprocket mounting shaft 22 mounted in combination with the back plate body 21. The back plate body 21 has a plurality of bolt through holes 211 for passing the fixing bolts 4, and the adjusting nuts 5 are respectively arranged at both ends of the bolt through holes 211.

[0022] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A chain or belt tensioning device, characterized in that: The sprocket is fixedly connected to the mounting base, and the sprocket is rotatably mounted on the mounting back plate. The fixing bolts are arranged parallel to each other through the mounting back plate, and the fixing bolts are threadedly connected to the mounting base. The adjusting nuts are threadedly connected to the fixing bolts, and the adjusting nuts are respectively located on both sides of the mounting back plate. The adjusting nuts are rotated to change the position of the mounting back plate and to limit and fix the mounting back plate. The sprocket is in contact with the chain or abuts against the belt.

2. The chain or belt tensioning device according to claim 1, characterized in that: It comprises two fixing bolts arranged parallel to each other, and both of the fixing bolts pass through the mounting back plate.

3. The chain or belt tensioning device according to claim 1, characterized in that: The mounting base includes a bottom plate and two side plates, the two side plates are located at both ends of the bottom plate, the two side plates are aligned parallel to each other, and both the side plates are perpendicular to the bottom plate.

4. The chain or belt tensioning device according to claim 3, characterized in that: The fixing bolt is threadedly connected to the two side plates.

5. The chain or belt tensioning device according to claim 4, characterized in that: The bottom plate is provided with a plurality of mounting threaded holes, and the mounting seat is fixedly connected to the equipment body through the mounting threaded holes in combination with bolts.

6. The chain or belt tensioning device according to claim 4, characterized in that: The side plate is provided with a plurality of bolt threaded holes, and the fixing bolts are threadedly connected with the bolt threaded holes.

7. The chain or belt tensioning device according to claim 1, characterized in that: The mounting back plate includes a back plate body and a sprocket mounting shaft mounted in combination with the back plate body. The back plate body is provided with a plurality of bolt through holes for passing the fixing bolts, and the adjusting nuts are respectively arranged at both ends of the bolt through holes.

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