CN212531053U

CN212531053U - Positioning mechanism of chain blocking device of scraper conveyor

Info

Publication number: CN212531053U
Application number: CN202020900500.1U
Authority: CN
Inventors: 郭志忠; 李耿
Original assignee: Shangxi Yangmei Guangruida Mechanical Manufacturing Co ltd
Current assignee: Shangxi Yangmei Guangruida Mechanical Manufacturing Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-02-12
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a scraper conveyor's chain blocking device's positioning mechanism, including compound lead screw, gear, first loop bar, spacing hole, second loop bar, vaulting pole, pulley stationary blade, slide rail, slide, pulley, first spacing groove, telescopic link, elasticity strip, spring, second spacing groove and dead lever, the inside swing joint of gear has first loop bar, the inside swing joint of first loop bar has compound lead screw, first loop bar surface is provided with first spacing groove, first loop bar surface is provided with spacing hole, the inside swing joint of first loop bar has the second loop bar. The pulley has the pulley stationary blade through screw swing joint, the utility model discloses a compound lead screw of manual rotation makes the gear can the horizontal slip to can go to adjust the length of first loop bar and second loop bar through the manual telescopic link of pressing down, obtain the promotion that is showing in the flexibility and the practicality of product.

Description

Positioning mechanism of chain blocking device of scraper conveyor

Technical Field

The utility model relates to an industrial production technical field specifically is a scraper conveyor hinder chain device's positioning mechanism.

Background

The scraper conveyor is a conveyor which uses a scraper chain as traction and conveys bulk materials in a groove. In the current coal mining face, the scraper conveyor not only serves to convey coal and materials, but also serves as a running track of a coal mining machine, so that the scraper conveyor becomes an indispensable main device in the modern coal mining process. The scraper conveyor can keep continuous operation, the production can be normally carried out, and the working principle of the scraper conveyor is that an open chute is used as a bearing part of coal, gangue or materials, and a scraper is fixed on a chain (forming a scraper chain) and used as a traction component. After the transmission part of the machine head is started, the chain wheel on the shaft of the machine head is driven to rotate, so that the scraper chain circularly runs to drive the material to move along the chute until the material is unloaded at the machine head part. The scraper chain bypasses the chain wheel to perform stepless closed circulation operation to finish the conveying of the materials.

However, the existing scraper conveyors in the market have fixed structures and cannot adapt to scrapers and drag chains with different specifications, the scrapers and the drag chains are troublesome to change and replace according to production needs, if the scrapers and the drag chains are manually replaced, a plurality of people are needed to complete the replacement, physical strength and energy are consumed, for example, the scrapers and the drag chains with different specifications are replaced, because all the structures of the common scraper conveyors in the market are fixed, if the replacement is needed, a machine needs to be disassembled, the replacement is carried out in one step, and the product cannot meet the requirement of flexibly replacing all parts.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scraper conveyor hinder chain device's positioning mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning mechanism of a chain blocking device of a scraper conveyor comprises a compound screw rod, a gear, a first loop bar, a limiting hole, a second loop bar, a stay bar, a pulley fixing piece, a slide rail, a slide plate, a pulley, a first limiting groove, a telescopic rod, an elastic strip, a spring, a second limiting groove and a fixing rod, wherein the gear is internally and movably connected with the first loop bar, the first loop bar is internally and movably connected with the compound screw rod, the surface of the first loop bar is provided with the first limiting groove, the surface of the first loop bar is provided with the limiting hole, the interior of the first loop bar is movably connected with the second loop bar, the surface of the first loop bar is movably connected with the stay bar, the end head of the stay bar is movably connected with the pulley, the surface of the pulley is provided with the slide plate, the surface of the slide plate is provided with the slide rail, the surface of the pulley is provided with the pulley fixing piece, the telescopic link is internally provided with a second limiting groove, a spring is fixedly mounted at the end head of the telescopic link, and a fixing rod is fixedly mounted inside the spring.

Preferably, the surface of the pulley is movably connected with a pulley fixing piece through a screw.

Preferably, the gear is internally provided with a one-way thread.

Preferably, the length of the slide rail is equal to the adjustable maximum length of the first loop bar and the second loop bar.

Preferably, the elastic strip is movably connected with a second loop bar through a screw.

Preferably, the stay bar is movably connected with a first loop bar through a groove.

Compared with the prior art, the beneficial effects of the utility model are that: this chain device's that hinders positioning mechanism of scraper conveyor passes through the compound lead screw of manual rotation, make the gear can the horizontal slip, can adapt to the chain device that hinders of different specifications, and can go to adjust the length of first loop bar and second loop bar according to the length of different scraper blades through the manual telescopic link that presses, with this installation of the scraper blade of realizing different specifications, the promotion that is showing has been obtained in the flexibility and the practicality of product, and first loop bar below is provided with the vaulting pole, the vaulting pole can adjust the position of self along with the length adjustment of loop bar through the pulley of bottom, better effect has been played to the support of ground loop bar.

Drawings

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

FIG. 2 is a schematic view of the first and second loop bars;

fig. 3 is a cross-sectional view of the gear.

In the figure: 1. a compound screw rod; 2. a gear; 3. a first loop bar; 4. a limiting hole; 5. a second loop bar; 6. a stay bar; 7. a pulley fixing piece; 8. a slide rail; 9. a slide plate; 10. a pulley; 11. a first limit groove; 12. a telescopic rod; 13. an elastic strip; 14. a spring; 15. a second limit groove; 16. and (5) fixing the rod.

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. 1-3, the present invention provides an embodiment: a positioning mechanism of a chain blocking device of a scraper conveyor comprises a complex screw rod 1, a gear 2, a first sleeve rod 3, a limiting hole 4, a second sleeve rod 5, a support rod 6, a pulley fixing piece 7, a slide rail 8, a slide plate 9, a pulley 10, a first limiting groove 11, a telescopic rod 12, an elastic strip 13, a spring 14, a second limiting groove 15 and a fixing rod 16, wherein the gear 2 is movably connected with the first sleeve rod 3, the gear 2 is internally provided with a one-way thread, the first sleeve rod 3 is movably connected with the complex screw rod 1, the surface of the first sleeve rod 3 is provided with the first limiting groove 11, the surface of the first sleeve rod 3 is provided with the limiting hole 4, the first sleeve rod 3 is movably connected with the second sleeve rod 5, the surface of the first sleeve rod 3 is movably connected with the support rod 6, the support rod 6 is movably connected with the first sleeve rod 3 through a groove, the end of the support rod 6 is movably connected with the

pulley

10, 10 surfaces of pulley are provided with slide 9, slide (9) surface is provided with

slide rail

8, 8 length of slide rail are equal to the maximum length that first loop bar 3 and second loop bar 5 can be adjusted, pulley (10) surface is provided with pulley stationary blade 7, the inside swing joint of second loop bar 5 has elastic strip 13, elastic strip 13 has second loop bar 5 through screw swing joint, 13 end fixed mounting of elastic strip have telescopic link 12, the inside second spacing groove 15 that is provided with of

telescopic link

12, 12 end fixed mounting of telescopic link has spring 14, the inside fixed mounting of spring 14 has dead lever 16. Through the manual compound lead screw 1 that rotates, make gear 2 can the horizontal slip, can adapt to the chain device that hinders of different specifications, and can go to adjust the length of first loop bar 3 and second loop bar 5 according to the length of different scraper blades through the manual telescopic link 12 that presses, realize the installation of the scraper blade of different specifications with this, obtain showing promotion in the flexibility and the practicality of product, and be provided with vaulting pole 6 below first loop bar 3, vaulting pole 6 can adjust the position of self along with the length adjustment of first loop bar 3 and second loop bar 5 through the pulley 10 of bottom, better effect has been played to the support of ground first loop bar 3.

The working principle is as follows: the utility model relates to a scraper conveyor's chain device that hinders positioning mechanism is the general type product of industrial production technique, according to daily convenience, under the unchangeable circumstances of self usage that keeps the product, make through manual compound lead screw 1 of rotating make gear 2 that is provided with one-way screw thread can the relative slip, through manual telescopic link 12 of pressing, can first sleeve rod 3 of pull and second sleeve rod 5, obtain the length of wanting, again by being equipped with spring 14's telescopic link 12 through spacing hole 4 kick-backs on, thereby fix the length of wanting.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a scraper conveyor hinder chain device's positioning mechanism, includes compound lead screw (1), gear (2), first loop bar (3), spacing hole (4), second loop bar (5), vaulting pole (6), pulley stationary blade (7), slide rail (8), slide (9), pulley (10), first spacing groove (11), telescopic link (12), elasticity strip (13), spring (14), second spacing groove (15), dead lever (16), its characterized in that: the internal swing joint of the gear (2) is provided with a first loop bar (3), the internal swing joint of the first loop bar (3) is provided with a compound screw rod (1), the surface of the first loop bar (3) is provided with a first limiting groove (11), the surface of the first loop bar (3) is provided with a limiting hole (4), the internal swing joint of the first loop bar (3) is provided with a second loop bar (5), the surface of the first loop bar (3) is movably connected with a stay bar (6), the end of the stay bar (6) is movably connected with a pulley (10), the surface of the pulley (10) is provided with a sliding plate (9), the surface of the sliding plate (9) is provided with a sliding rail (8), the surface of the pulley (10) is provided with a pulley fixing sheet (7), the internal swing joint of the second loop bar (5) is provided with an elastic strip (13), the end of the elastic strip (13, the telescopic rod (12) is internally provided with a second limiting groove (15), the end head of the telescopic rod (12) is fixedly provided with a spring (14), and the spring (14) is internally and fixedly provided with a fixing rod (16).

2. The positioning mechanism of the chain stopper of the scraper conveyor as claimed in claim 1, wherein: the surface of the pulley (10) is movably connected with a pulley fixing piece (7) through a screw.

3. The positioning mechanism of the chain stopper of the scraper conveyor as claimed in claim 1, wherein: the gear (2) is internally provided with a one-way thread.

4. The positioning mechanism of the chain stopper of the scraper conveyor as claimed in claim 1, wherein: the length of the sliding rail (8) is equal to the adjustable maximum length of the first loop bar (3) and the second loop bar (5).

5. The positioning mechanism of the chain stopper of the scraper conveyor as claimed in claim 1, wherein: the elastic strip (13) is movably connected with a second loop bar (5) through a screw.

6. The positioning mechanism of the chain stopper of the scraper conveyor as claimed in claim 1, wherein: the support rod (6) is movably connected with a first loop bar (3) through a groove.