CN218670438U

CN218670438U - Tightening mechanism of transmission chain

Info

Publication number: CN218670438U
Application number: CN202222185732.5U
Authority: CN
Inventors: 毛小超; 邓国巧
Original assignee: Shenzhen Xingchao Industrial Equipment Co ltd
Current assignee: Shenzhen Xingchao Industrial Equipment Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-03-21
Anticipated expiration: 2032-08-18

Abstract

The utility model relates to the technical field of tightening mechanisms of transmission chains, in particular to a tightening mechanism of a transmission chain, which comprises side plates, wherein the side plates are provided with two groups, a connecting plate is arranged between the two groups of side plates, rectangular holes are arranged on the two groups of side plates, and a tightening mechanism with a positioning function is arranged between the two groups of side plates; when the tip of two sets of frame claws inserted two sets of chain grooves on the drive chain, promote L type axle, L type axle slides along the built-in rectangle guiding hole of rectangle cover, L type axle drives the reference column simultaneously and inserts in the pinhole of drive chain tip, realize the location to the interior link joint of drive chain tip, consequently when two sets of frame claws drive chain both ends when moving in opposite directions, the pinhole passes through the reference column and drives L type axle, L type axle drives the rectangle cover and slides along the rectangular hole, thereby make two sets of interior link joints at drive chain both ends move in opposite directions on same straight line.

Description

Tightening mechanism of transmission chain

Technical Field

The utility model relates to a drive chain's tightening mechanism technical field specifically is a drive chain's tightening mechanism.

Background

The chain is generally a metallic link or ring, and is used for mechanical transmission, traction, and for chains that obstruct the passage of traffic (such as in streets, rivers or harbor entrances), and for chains that are mechanically used.

When the current chain is in operation, the chain often can produce laxly, leads to the operation unstable, and even the conveying is inefficacy, causes the potential safety hazard, consequently need tighten up the chain, the tightening up of chain, exactly the total length of reducing the chain, consequently need with one of them section dismantlement of chain, the better dismantlement of lax chain, but the chain after reducing need take up the butt joint, generally can assist the butt joint with the help of the iron wire, but it is more troublesome to operate to get up, often can't once only succeed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drive chain's tightening mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a tightening mechanism of a transmission chain comprises side plates, wherein two groups of side plates are arranged, a connecting plate is arranged between the two groups of side plates, rectangular holes are formed in the two groups of side plates, and a tightening mechanism with a positioning function is arranged between the two groups of side plates;

the tightening mechanism comprises two sets of frame claws, the two sets of frame claws are connected with the slide rod in a sliding mode, the two sets of frame claws are connected with the double-threaded screw rod in a threaded mode, one end of the double-threaded screw rod is fixedly connected with the knob, and two sets of positioning mechanisms are arranged between the two sets of frame claws.

Preferably, the positioning mechanism comprises a rectangular sleeve, the rectangular sleeve is inserted into the L-shaped shaft, and one end of the L-shaped shaft is connected with the positioning column.

Preferably, two sets of curb plates of connecting plate bilateral symmetry fixed connection, the slide bar all is fixed on the connecting plate with double thread lead screw.

Preferably, the frame claw is provided with a through hole which is connected with the sliding rod in a sliding manner.

Preferably, one end of the frame claw is inserted into a chain groove on the transmission chain, two groups of pin holes are arranged at two ends of the transmission chain, and the pin holes are inserted with the positioning columns.

Preferably, the rectangular sleeve passes through the two sets of rectangular holes, and the rectangular sleeve slidably connects the two sets of rectangular holes.

Preferably, a rectangular guide hole is formed in the rectangular sleeve, and the rectangular guide hole is connected with the L-shaped shaft in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the end parts of the two sets of the frame claws are inserted into the two sets of the chain grooves on the transmission chain, then the knob is rotated to drive the double-thread screw rod to rotate, the rotation of the double-thread screw rod enables the two sets of the frame claws to move oppositely along the slide rod, and the two sets of the frame claws moving oppositely drive the two ends of the transmission chain to move oppositely, so that the transmission chain is tightened;

2. when the end parts of the two sets of the frame claws are inserted into the two sets of chain grooves on the transmission chain, the L-shaped shafts are pushed and slide along the built-in rectangular guide holes of the rectangular sleeves, and meanwhile, the L-shaped shafts drive the positioning columns to be inserted into the pin holes at the end parts of the transmission chain, so that the positioning of the inner chain plates at the end parts of the transmission chain is realized.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure assembly of the present invention;

fig. 3 is a schematic view of the combination of the side plate, the connecting plate and the tightening mechanism of the present invention.

In the figure: 1. a side plate; 2. a connecting plate; 3. a rectangular hole; 4. a tightening mechanism; 5. a drive chain; 50. a pin hole; 401. a frame claw; 402. a slide bar; 403. a double-threaded screw; 404. a knob; 405. a positioning mechanism; 4051. a rectangular sleeve; 4052. an L-shaped shaft; 4053. and a positioning column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a tightening mechanism of a transmission chain comprises side plates 1, wherein two groups of side plates 1 are arranged, a connecting plate 2 is arranged between the two groups of side plates 1, rectangular holes 3 are formed in the two groups of side plates 1, a tightening mechanism 4 with a positioning function is arranged between the two groups of side plates 1, the tightening mechanism 4 comprises frame claws 401, the frame claws 401 are provided with two groups, the two groups of frame claws 401 are slidably connected with sliding rods 402, the two groups of frame claws 401 are screwed with double-thread lead screws 403, one ends of the double-thread lead screws 403 are fixedly connected with a knob 404, two groups of positioning mechanisms 405 are arranged between the two groups of frame claws 401, the two sides of the connecting plate 2 are symmetrically and fixedly connected with the two groups of side plates 1, the sliding rods 402 and the double-thread lead screws 403 are both fixed on the connecting plate 2, through holes are formed in the frame claws 401, the through holes are slidably connected with the sliding rods 402, one ends of the frame claws 401 are inserted into chain grooves on the transmission chain 5, the transmission chain 5 is mainly formed by splicing an inner chain plate and an outer chain plate, a pin hole 50 is formed in the inner chain plate, two groups of pin shafts are arranged on the outer chain plate, two groups of external threads with opposite screwing directions are symmetrically arranged on a double-thread lead screw 403, the two groups of external threads with opposite screwing directions are respectively screwed with threaded holes formed in two groups of frame claws 401, when the transmission chain 5 needs to be tightened, the end parts of the two groups of frame claws 401 are inserted into the two groups of chain grooves in the transmission chain 5, then a knob 404 is rotated, the knob 404 drives the double-thread lead screw 403 to rotate, the two groups of frame claws 401 move oppositely along a sliding rod 402 due to the rotation of the double-thread lead screw 403, the two groups of frame claws 401 moving oppositely drive the two ends of the transmission chain 5 to move oppositely, and the tightening of the transmission chain 5 is realized;

the positioning mechanism 405 includes a rectangular sleeve 4051, the rectangular sleeve 4051 is inserted into the L-shaped shaft 4052, one end of the L-shaped shaft 4052 is connected to the positioning column 4053, two ends of the transmission chain 5 are provided with two sets of pin holes 50, the pin holes 50 are inserted into the positioning columns 4053, the rectangular sleeve 4051 passes through the two sets of rectangular holes 3, the rectangular sleeve 4051 is slidably connected to the two sets of rectangular holes 3, the rectangular sleeve 4051 has a built-in rectangular guide hole, the rectangular guide hole is slidably connected to the L-shaped shaft 4052, wherein when the ends of the two sets of rack claws 401 are inserted into the two sets of chain slots on the transmission chain 5, the L-shaped shaft 4052 and the L-shaped shaft 4052 are pushed to slide along the built-in rectangular guide hole of the rectangular sleeve 4051, and the L-shaped shaft 4052 drives the positioning column 4053 to be inserted into the pin holes 50 at the ends of the transmission chain 5, so as the two sets of rack claws 401 drive the transmission chain 5 move in opposite directions, the pin holes 50 drive the two sets of the transmission chain 5 to adjust the two sets of inner chain plates to move in opposite directions, and therefore, the two sets of inner chain plates can be conveniently spliced at the same angle, and the two sets of working chain shafts can be inserted into the same angle of the working chain 5, and the working person can be conveniently spliced on the two sets of the working chain.

In the using process, the end parts of the two sets of frame claws 401 are inserted into the two sets of chain grooves on the transmission chain 5 to push the L-shaped shaft 4052, the L-shaped shaft 4052 slides along the built-in rectangular guide hole of the rectangular sleeve 4051, meanwhile, the L-shaped shaft 4052 drives the positioning column 4053 to be inserted into the pin hole 50 at the end part of the transmission chain 5, then the knob 404 is rotated to drive the double-thread screw 403 to rotate, the rotation of the double-thread screw 403 causes the two sets of frame claws 401 to move along the sliding rod 402 in the opposite direction, the two sets of frame claws 401 moving in the opposite direction drive the two ends of the transmission chain 5 to move in the opposite direction, the pin hole 50 drives the L-shaped shaft 4052 through the positioning column 4053, the L-shaped shaft 4052 drives the rectangular sleeve 4051 to slide along the rectangular hole 3, and thereby causing the two sets of inner chain plates at the two ends of the transmission chain 5 to move in the same straight line in the opposite direction.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drive chain's tightening mechanism, includes curb plate (1), curb plate (1) sets up two sets ofly, and is two sets of set up connecting plate (2) between curb plate (1), two sets of all set up rectangular hole (3), its characterized in that on curb plate (1): a tightening mechanism (4) with a positioning function is arranged between the two groups of side plates (1);

the tightening mechanism (4) comprises a rack claw (401), the rack claw (401) is provided with two sets, two sets of the rack claw (401) are connected with a sliding rod (402) in a sliding mode, two sets of the rack claw (401) is connected with a double-thread lead screw (403) in a threaded mode, one end of the double-thread lead screw (403) is fixedly connected with a knob (404), and two sets of positioning mechanisms (405) are arranged between the rack claws (401).

2. The tightening mechanism of a drive chain according to claim 1, characterized in that: positioning mechanism (405) includes rectangle cover (4051), rectangle cover (4051) grafting L type axle (4052), reference column (4053) is connected to L type axle (4052) one end.

3. The tightening mechanism of a drive chain according to claim 1, characterized in that: two sets of curb plates (1) of connecting plate (2) bilateral symmetry fixed connection, slide bar (402) and double thread lead screw (403) are all fixed on connecting plate (2).

4. The tightening mechanism of a drive chain according to claim 1, characterized in that: the frame claw (401) is provided with a through hole, and the through hole is connected with the sliding rod (402) in a sliding manner.

5. The tightening mechanism of a drive chain according to claim 2, characterized in that: one end of the rack claw (401) is inserted into a chain groove on the transmission chain (5), two groups of pin holes (50) are formed in two ends of the transmission chain (5), and the pin holes (50) are inserted into positioning columns (4053).

6. The tightening mechanism of a drive chain according to claim 2, characterized in that: the rectangular sleeve (4051) passes through the two groups of rectangular holes (3), and the rectangular sleeve (4051) is connected with the two groups of rectangular holes (3) in a sliding mode.

7. The tightening mechanism of a drive chain according to claim 2, characterized in that: the rectangular sleeve (4051) is internally provided with a rectangular guide hole, and the rectangular guide hole is connected with the L-shaped shaft (4052) in a sliding manner.