CN213744760U - Automatic tensioning device for conveying chain - Google Patents

Abstract

The utility model discloses a carry automatic overspeed device tensioner of chain, the on-line screen storage device comprises a base, the intermediate position department of the inside both sides lateral wall of base all is provided with the bearing, the inside intermediate position department of base passes through bearing movable mounting has the screw thread bull stick, the inside fixed mounting of base has the gag lever post, the gag lever post is located under the screw thread bull stick, the intermediate position department at base top has seted up the opening, the screw thread cup joints on the screw thread bull stick and installs the internal thread cover, the top fixed mounting of internal thread cover has the connecting rod, the top of connecting rod is passed through the opening extends to the outside at base top, the top fixed mounting of connecting rod has the mount pad, movable cup joint installs spacing sliding sleeve on the gag lever post, spacing sliding sleeve is located under the internal thread cover. The utility model discloses a set up a series of structures and make this device have convenience safe in utilization and be convenient for automatically carry out the characteristics adjusted to the rate of tension of conveying the chain.

Description

Automatic tensioning device for conveying chain

Technical Field

The utility model relates to a chain technical field specifically is an automatic overspeed device tensioner of conveyor chain.

Background

The chain is generally a metallic chain ring or ring, and is used for mechanical transmission and traction. Chains for obstructing traffic passages (such as in streets, rivers or estuary entrances), chains for mechanical transmission, comprising four main families: a drive chain; a conveyor chain; pulling the chain; special professional chains.

The existing conveying chain is in an actual use process, after the existing conveying chain is used for a long time, the chain is easy to be in a loose state, further, a worker is required to adjust the tension degree of the chain, the maintenance workload and time are increased, even the potential fault hazard that a driving chain wheel is clamped and cannot operate is possibly caused, and therefore the problem of solving the series of problems is solved by the automatic tensioning device for the conveying chain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic overspeed device tensioner of conveyor chain 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: the utility model provides an automatic tensioning device of conveyor chain, includes the base, the intermediate position department of the inside both sides lateral wall of base all is provided with the bearing, the inside intermediate position department of base passes through bearing movable mounting has the screw thread bull stick, the inside fixed mounting of base has the gag lever post, the gag lever post is located under the screw thread bull stick, the intermediate position department at base top has seted up the opening, the screw thread cup joints on the screw thread bull stick and installs the internal thread cover, the top fixed mounting of internal thread cover has the connecting rod, the top of connecting rod is passed through the opening extends to the outside at base top, the top fixed mounting of connecting rod has the mount pad.

Preferably, the limiting rod is movably sleeved with a limiting sliding sleeve, the limiting sliding sleeve is located under the internal thread sleeve, a connecting block is arranged between the limiting sliding sleeve and the internal thread sleeve, and the limiting sliding sleeve is fixedly connected with the internal thread sleeve through the connecting block.

Preferably, the base is arranged on the side wall of one side of the base, the driving motor is fixedly mounted at the top of the base, and one end of the threaded rotating rod is fixedly connected with the output end of the driving motor through the bearing.

Preferably, four equal fixed mounting in end of mount pad bottom have a mounting bar, four the equal movable mounting in bottom of mounting bar has the removal wheel, two movable slots have been seted up at the top of base, four remove two liang of wheels and be a set of, two sets of remove the wheel and be located two respectively the inside in movable slot.

Preferably, the connecting rod and the internal thread sleeve are fixed by welding, and the connecting rod and the mounting seat are fixed by welding.

Preferably, shaft seats are fixedly mounted on two sides of the top of the mounting seat, a rotating shaft is movably mounted between the two shaft seats, and a transmission chain wheel is fixedly sleeved on the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization, through control driving motor, make driving motor drive the screw thread bull stick and rotate, and then make the interior thread bush activity on the screw thread bull stick, and be provided with the connecting block between interior thread bush and the spacing sliding sleeve, and then when making the screw thread bull stick rotate, interior thread bush can not rotate along with the rotation of screw thread bull stick, can only be on the screw thread bull stick back-and-forth movement, and then drive the mount pad through the connecting rod and remove, make the mount pad drive the drive sprocket at its top remove, remove through drive sprocket and can adjust the rate of tension of the transport chain of installing in its outside, and then make this device need not adjust the manual rate of tension to the chain of manual work, convenience safe in utilization, therefore, the clothes hanger is strong in practicability.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a base; 2. a movable groove; 3. an opening; 4. a mounting seat; 5. a shaft seat; 6. a rotating shaft; 7. a drive sprocket; 8. mounting a rod; 9. a moving wheel; 10. a drive motor; 11. a machine base; 12. a limiting rod; 13. a bearing; 14. a threaded rotating rod; 15. a limiting sliding sleeve; 16. connecting blocks; 17. an internal thread sleeve; 18. a connecting 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 a technical solution: the utility model provides an automatic overspeed device tensioner technical scheme of conveyor chain, including base 1, the intermediate position department of the inside both sides lateral wall of base 1 all is provided with bearing 13, there is screw thread bull stick 14 base 1 inside intermediate position department through bearing 13 movable mounting, base 1's inside fixed mounting has gag lever post 12, gag lever post 12 is located screw thread bull stick 14 under, opening 3 has been seted up to the intermediate position department at base 1 top, screw thread cup joints on screw thread bull stick 14 and installs internal thread cover 17, internal thread cover 17's top fixed mounting has connecting rod 18, the top of connecting rod 18 extends to the outside at base 1 top through opening 3, the top fixed mounting of connecting rod 18 has mount pad 4.

Preferably, the limiting rod 12 is movably sleeved with a limiting sliding sleeve 15, the limiting sliding sleeve 15 is located under the internal thread sleeve 17, a connecting block 16 is arranged between the limiting sliding sleeve 15 and the internal thread sleeve 17, and the limiting sliding sleeve 15 and the internal thread sleeve 17 are fixedly connected through the connecting block 16, so that when the threaded rotating rod 14 rotates, the internal thread sleeve 17 cannot rotate along with the rotation of the threaded rotating rod 14 and can only move back and forth on the threaded rotating rod 14.

Preferably, a base 11 is arranged on the side wall of one side of the base 1, a driving motor 10 is fixedly mounted at the top of the base 11, and one end of a threaded rotating rod 14 is fixedly connected with the output end of the driving motor 10 through a bearing 13, so that the device can be controlled by the driving motor 10 to drive the threaded rotating rod 14 to rotate.

Preferably, four equal fixed mounting in end of mount pad 4 bottom have installation pole 8, and the equal movable mounting in bottom of four installation poles 8 has removal wheel 9, and two movable slots 2 have been seted up at base 1's top, and four remove 9 two liang be a set of wheels, and two sets of removal wheels 9 are located the inside of two movable slots 2 respectively for mount pad 4 stability is strong when removing.

Preferably, the connecting rod 18 and the internal thread sleeve 17 are fixed by welding, and the connecting rod 18 and the mounting seat 4 are fixed by welding, so that the connection between the structures of the device is firm, and the use stability is strong.

Preferably, the both sides at the top of mount pad 4 are all fixed mounting have axle bed 5, and movable mounting has pivot 6 between two axle beds 5, and fixed cup joint installs drive sprocket 7 on pivot 6, can adjust the rate of tension of the transport chain of installing in its outside through adjusting drive sprocket 7.

The working principle is as follows: before use, the safety of each structure of the device is checked firstly, wherein the driving motor 10 is an existing electrical element, the driving motor can be installed and used according to actual use requirements, the driving motor 10 is controlled to drive the threaded rotating rod 14 to rotate, the internal thread sleeve 17 on the threaded rotating rod 14 moves, the connecting block 16 is arranged between the internal thread sleeve 17 and the limiting sliding sleeve 15, when the threaded rotating rod 14 rotates, the internal thread sleeve 17 cannot rotate along with the rotation of the threaded rotating rod 14, only can move on the threaded rotating rod 14 back and forth, the connecting rod 18 drives the mounting seat 4 to move, the mounting seat 4 drives the transmission chain wheel 7 at the top of the mounting seat to move, the tension degree of a conveying chain arranged outside the mounting seat can be adjusted through the movement of the transmission chain wheel 7, and the device does not need to manually adjust the tension degree of the chain, safe and convenient use and strong practicability.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus, and any standard components found in known art that may be commercially available or commercially available and may be readily customized based on the teachings of the specification and the drawings, and that the particular connection between the various components is by conventional means well known in the art, and that the machine, component, or apparatus is by model and circuit connection is by conventional means well known in the art, and will not be described in detail herein.

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 (6)

1. The utility model provides a conveying chain's automatic tensioning device, includes base (1), its characterized in that: the utility model discloses a quick-witted bearing, including base (1), stopper, base (1) and connecting rod, the intermediate position department of the inside both sides lateral wall of base (1) all is provided with bearing (13), the intermediate position department of base (1) passes through bearing (13) movable mounting has screw thread bull stick (14), the inside fixed mounting of base (1) has gag lever post (12), gag lever post (12) are located under screw thread bull stick (14), opening (3) have been seted up to the intermediate position department at base (1) top, threaded sleeve has installed internal thread cover (17) on screw thread bull stick (14), the top fixed mounting of internal thread cover (17) has connecting rod (18), the top of connecting rod (18) is passed through opening (3) extend to the outside at base (1) top, the top fixed mounting of connecting rod (18) has mount pad (4).

2. The automatic tensioning device for a conveyor chain according to claim 1, wherein: spacing sliding sleeve (15) are installed in movable sleeve joint on gag lever post (12), spacing sliding sleeve (15) are located under female thread bush (17), just spacing sliding sleeve (15) with be provided with connecting block (16) between female thread bush (17), spacing sliding sleeve (15) with pass through between female thread bush (17) connecting block (16) fixed connection.

3. The automatic tensioning device for a conveyor chain according to claim 1, wherein: be provided with frame (11) on the lateral wall of base (1) one side, the top fixed mounting of frame (11) has driving motor (10), the one end of screw thread bull stick (14) is passed through bearing (13) with the output fixed connection of driving motor (10).

4. The automatic tensioning device for a conveyor chain according to claim 1, wherein: four equal fixed mounting in ends of mount pad (4) bottom have installation pole (8), four the equal movable mounting in bottom of installation pole (8) has removal wheel (9), two activity groove (2), four have been seted up at the top of base (1) remove two liang as a set of, two sets of removal wheel (9) are located two respectively the inside in activity groove (2).

5. The automatic tensioning device for a conveyor chain according to claim 1, wherein: the connecting rod (18) and the internal thread sleeve (17) are fixed through welding, and the connecting rod (18) and the mounting seat (4) are fixed through welding.

6. The automatic tensioning device for a conveyor chain according to claim 1, wherein: the mounting structure is characterized in that shaft seats (5) are fixedly mounted on two sides of the top of the mounting seat (4), a rotating shaft (6) is movably mounted between the shaft seats (5), and a transmission chain wheel (7) is fixedly sleeved on the rotating shaft (6).

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