CN220392318U

CN220392318U - Chain tensioning and adjusting mechanism of scraper conveyor

Info

Publication number: CN220392318U
Application number: CN202322100152.6U
Authority: CN
Inventors: 邸利锋; 梁昊昊; 马金印; 刘会
Original assignee: Anhui Wanbei Coal And Electricity Group Linfen Tianyu Hengsheng Coal Industry Co ltd
Current assignee: Anhui Wanbei Coal And Electricity Group Linfen Tianyu Hengsheng Coal Industry Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-01-26
Anticipated expiration: 2033-08-07

Abstract

The utility model discloses a chain tensioning and adjusting mechanism of a scraper conveyor, which belongs to the technical field of chain tensioning and adjusting mechanisms and comprises a base, wherein a first motor is fixedly arranged at the top of the base, a threaded rod is fixedly connected to the top of an output shaft of the first motor, a sleeve is in threaded connection with the top of the threaded rod, a workbench is fixedly connected to the top of the sleeve, supporting seats are fixedly arranged at the top of the workbench, sliding grooves are formed in the front side and the rear side of the supporting seats, two sliding rods are in sliding connection in the sliding grooves, tensioning wheels are rotatably arranged at the two ends of the sliding rods, nuts are in threaded connection with the outer sides of the tensioning wheels, a protective shell is fixedly connected to the left side of the supporting seats, a second motor is fixedly arranged in the protective shell, the two-way lead screw can be driven to rotate through the operation of the second motor, and meanwhile, the tensioning wheels arranged at the two ends of the sliding rods can achieve the effect of tensioning a chain.

Description

Chain tensioning and adjusting mechanism of scraper conveyor

Technical Field

The utility model relates to the technical field of chain tensioning and adjusting mechanisms, in particular to a chain tensioning and adjusting mechanism of a scraper conveyor.

Background

The scraper conveyer is a conveying machine of the coal face, and has the effects that a chain transmission mode is adopted, the scraper is brought to scrape through the middle groove, coal on the middle groove is driven to move forward, the purpose of conveying the coal is achieved, the chain scraper is arranged on a chain, the chain is used as a transmission mechanism of the scraper, the chain is likely to become long and loose in a long-term operation process, and the chain wheel cannot be effectively matched.

At present, most of currently used chain tensioning mechanisms are fixedly installed on a machine body, the use positions cannot be exchanged according to requirements, manual screwing is required, the problem that labor is wasted and accurate adjustment cannot be achieved exists, meanwhile, protection measures are not provided, and large potential safety hazards exist.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects in the prior art, the utility model aims to provide a chain tensioning and adjusting mechanism of a scraper conveyor, which has the characteristics of convenience for flexible use and high safety.

(2) Technical proposal

In order to achieve the above purpose, the utility model provides a chain tensioning and adjusting mechanism of a scraper conveyor, which comprises a base, wherein a first motor is fixedly arranged at the top of the base, a threaded rod is fixedly connected to the top of an output shaft of the first motor, a sleeve is in threaded connection with the top of the threaded rod, a workbench is fixedly connected to the top of the sleeve, a supporting seat is fixedly arranged at the top of the workbench, sliding grooves are formed in the front side and the rear side of the supporting seat, two sliding rods are connected in the sliding grooves in a sliding manner, tensioning wheels are rotatably arranged at the two ends of the sliding rods, nuts are in threaded connection with the outer sides of the tensioning wheels, a protective shell is fixedly connected to the left side of the supporting seat, a second motor is fixedly arranged in the protective shell, a bearing is fixedly connected to the inner wall of the supporting seat, a rotating shaft is connected to one end of the rotating shaft, a bidirectional screw rod is fixedly connected to the other end of the rotating shaft, and two limiting rings are fixedly connected to the surface of the bidirectional screw rod.

When the chain tensioning and adjusting mechanism of the scraper conveyor is used, the threaded rod can be driven to rotate through the operation of the first motor, the sleeve can be moved up and down, and the effect of adjusting the height of the workbench is achieved.

Further, a groove is formed in the bottom of the sliding groove, a sliding block is slidably mounted in the groove, and the sliding block is fixedly connected with the sliding rod.

Further, the base top fixedly connected with base post, sliding connection has the movable column in the base post, movable column fixed connection is in the workstation bottom.

Further, the front end of the base is fixedly provided with a control panel, and the bottom of the base is fixedly provided with a pulley.

Further, the right side of the supporting seat is fixedly provided with a storage box, lubricating oil is placed in the storage box, and the front end and the rear end of the supporting seat are fixedly connected with protective covers.

(3) Advantageous effects

In summary, the utility model has the following beneficial effects:

1. the first motor works to drive the threaded rod to rotate, the sleeve can be moved up and down, the effect of adjusting the height of the workbench is achieved, the second motor works to drive the two-way screw rod to rotate, the sliding rod can be moved left and right in the sliding groove, and meanwhile tensioning wheels arranged at two ends of the sliding rod can achieve the effect of tensioning the chain;

2. the working states of the first motor and the second motor can be controlled through the control panel, the device can be moved to a required position through the pulley, the device can be operated more smoothly through the lubrication effect of lubricating oil, and the safety of use can be ensured through the protective cover;

3. through the installation spacing ring, can play the effect of spacing slide bar, with the help of the slip effect of slider in the recess, can reach the effect that lets the slide bar remove more stably, with the help of the slip effect of movable column in the base post, can cooperate the workstation to reciprocate more stably.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the description of the embodiments or the prior art will be briefly described, and it is apparent that the drawings in the following description are only one embodiment of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the present utility model in elevation and cross section;

fig. 2 is a schematic top view of the present utility model.

The marks in the drawings are:

1. a base; 2. a first motor; 3. a threaded rod; 4. a sleeve; 5. a work table; 6. a base column; 7. a movable column; 8. a support base; 9. a chute; 10. a slide bar; 11. a tensioning wheel; 12. a nut; 13. a groove; 14. a slide block; 15. a protective shell; 16. a second motor; 17. a bearing; 18. a rotating shaft; 19. a two-way screw rod; 20. a limiting ring; 21. a storage box; 22. lubricating oil; 23. a protective cover; 24. a pulley; 25. and controlling the panel.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the technical solutions in the embodiments of the present utility model are clearly and completely described below to further illustrate the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all versions.

Examples:

the utility model is described in further detail below with reference to fig. 1-2.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a scraper conveyor chain tensioning adjustment mechanism, including base 1, the top fixed mounting of base 1 has first motor 2, the output shaft top fixedly connected with threaded rod 3 of first motor 2, threaded rod 3 top threaded connection has sleeve 4, sleeve 4 top fixedly connected with workstation 5, can drive threaded rod 3 through first motor 2 work and rotate, can let sleeve 4 reciprocate, reach the effect of adjusting workstation 5 height, workstation 5 top fixed mounting has supporting seat 8, the spout 9 is opened to both sides around supporting seat 8, sliding connection has two slide bars 10 in spout 9, two slide bar 10 both ends rotate and install take-up pulley 11, take-up pulley 11 outside threaded connection has nut 12, supporting seat 8 left side fixedly connected with protective housing 15, fixedly mounted in the protective housing 15 has second motor 16, the inner wall fixedly connected with bearing 17 of supporting seat 8, the other end fixedly connected with lead screw 19 of pivot 18, can drive the two-way screw 19 through second motor 16 work and rotate, can drive two slide bar 10 at two limit-stop collar 20 at two limit rings 10, can reach two limit-stop collar 20 at two slide bar 10 during the two-way slip collar 20 are installed to the two-way end of side link.

Specifically, a groove 13 is formed in the bottom of the sliding groove 9, a sliding block 14 is movably installed in the groove 13, and the sliding block 14 is fixedly connected with the sliding rod 10.

By adopting the above technical scheme, the effect of enabling the sliding rod 10 to move more stably can be achieved by virtue of the sliding action of the sliding block 14 in the groove 13.

Specifically, base 1 top fixedly connected with base post 6, base post 6 top sliding connection has movable post 7, and movable post 7 fixed connection is in workstation 5 bottom.

By adopting the technical scheme, the workbench 5 can be matched to move up and down more stably by means of the sliding action of the movable column 7 in the base column 6.

Specifically, the front end of the base 1 is fixedly provided with a control panel 25, and the bottom of the base 1 is fixedly provided with a pulley 24.

Through adopting above-mentioned technical scheme, through setting up control panel, can control the operating condition of first motor and second motor, through setting up the pulley, can remove the device to required position.

Specifically, the right side of the supporting seat is fixedly provided with a storage box, lubricating oil is placed in the storage box, and the front end and the rear end of the supporting seat are fixedly connected with protective covers.

Through adopting above-mentioned technical scheme, with the help of the lubrication action of lubricating oil 22, can let the device operation more smooth, through setting up protection casing 23, can ensure the security of use.

The working principle of the utility model is as follows: the device is needed to tension the chain of the scraper conveyor, firstly, the device is moved to a using position, the first motor 2 is controlled to work through the control panel 25 according to the using position, the threaded rod 3 can be driven to rotate, the sleeve 4 can be moved up and down, the height of the workbench 5 is adjusted, the chain is meshed on the tensioning wheel 11 and covered with the protective cover 23, when the chain needs to be adjusted, the second motor 16 is controlled to work through the control panel 25, the rotating shaft 18 and the bidirectional screw rod 19 are driven to rotate, so that the sliding rod 10 and the tensioning wheel 11 move towards two ends, the chain is tensioned, and if a chain clamping phenomenon occurs, the lubricating oil 22 can be taken out to lubricate the corresponding position.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The utility model provides a scraper conveyor chain tensioning adjustment mechanism, includes base (1), its characterized in that: the utility model discloses a screw rod type screw machine, including base (1), screw rod (3), sleeve (4), workstation (5), spout (9) are opened to top fixed mounting of base (1), output shaft top fixedly connected with threaded rod (3) of first motor (2), threaded rod (3) top threaded connection, sleeve (4) top fixedly connected with workstation (5), workstation (5) top fixedly connected with supporting seat (8), both sides are opened around supporting seat (8) have spout (9), sliding connection has two slide bars (10) in spout (9), two slide bar (10) both ends rotate and install take-up pulley (11), take-up pulley (11) outside threaded connection has nut (12), supporting seat (8) left side fixedly connected with protective housing (15), fixedly connected with second motor (16) in protective housing (15), supporting seat (8) inner wall fixedly connected with bearing (17), bearing (17) internal rotation is connected with pivot (18), pivot (18) one end fixedly connected with is on the output shaft of second motor (16), two bi-directional screw rod (19) are connected with screw rod (19) two-way surface fixed connection.

2. A scraper conveyor chain tensioning adjustment mechanism according to claim 1, wherein: the bottom of the sliding groove (9) is provided with a groove (13), a sliding block (14) is slidably arranged in the groove (13), and the sliding block (14) is fixedly connected with the sliding rod (10).

3. A scraper conveyor chain tensioning adjustment mechanism according to claim 1, wherein: the base (1) top fixedly connected with foundation (6), sliding connection has movable post (7) in foundation (6), movable post (7) fixed connection is in workstation (5) bottom.

4. A scraper conveyor chain tensioning adjustment mechanism according to claim 1, wherein: the front end of the base (1) is fixedly provided with a control panel (25), and the bottom of the base (1) is fixedly provided with a pulley (24).

5. A scraper conveyor chain tensioning adjustment mechanism according to claim 1, wherein: the right side of the supporting seat (8) is fixedly provided with a storage box (21), lubricating oil (22) is placed in the storage box (21), and the front end and the rear end of the supporting seat (8) are fixedly connected with protective covers (23).