CN215144418U

CN215144418U - Chain tensioner device

Info

Publication number: CN215144418U
Application number: CN202121084192.0U
Authority: CN
Inventors: 杨军林; 孟永芳; 王晓山
Original assignee: Yuxing Biology Group Co ltd
Current assignee: Yuxing Biology Group Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-12-14
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a chain strainer device, concretely relates to chain strainer technical field, the fixed disk comprises a fixed disk, the fixed disk bottom is equipped with straining device, straining device includes two opening and shutting frames, opening and shutting frame one end is connected through movable free bearing with the fixed disk bottom, the fixed disk bottom is equipped with the thrust disc, two through-holes have been seted up on the thrust disc top. The utility model discloses a set up straining device, control thrust disc and pressure disk reciprocate, just can control opening and shutting of frame and when the thrust disc reciprocated, when opening and shutting the frame open, the afterburning claw of its one end opens thereupon, then insert the gap of chain with afterburning claw one end, after opening and shutting the frame and merge, two afterburning claws merge thereupon, with this taut with the both ends of chain disconnection, make the both ends of chain possess the safe distance that can make, make the operation of taut chain more laborsaving, also greatly reduced the potential safety hazard.

Description

Chain tensioner device

Technical Field

The utility model belongs to the technical field of the chain strainer technique and specifically relates to a chain strainer device that says so.

Background

A scientific and reasonable method reduces labor force, is pursued by each industry, can achieve the purposes of simple operation, labor saving and safety while working, and can move by a large amount of force when a heavy object or goods is moved in the production process, so that some mechanical equipment can be selected to carry out labor saving operation, and the chain lifting equipment used by the existing company mainly pulls a chain. In the actual production process, after the disconnection of equipment chain, because there is very big difficulty in the thick heavy existence of chain when connecting, extravagant manpower and draw zipper strip and the in-process of connecting to have the risk factor to exist, have huge potential safety hazard, need design a chain strainer device for this reason, greatly reduced potential safety hazard in laborsaving.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects of the prior art, embodiments of the present invention provide a chain tensioner device to solve the problems occurring in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a chain tensioner device comprises a fixed disc, wherein a tensioning mechanism is arranged at the bottom of the fixed disc;

the tensioning mechanism comprises two opening and closing frames, the opening and closing frames are arranged at the bottom end of the fixed disc, one end of each opening and closing frame is connected with the bottom end of the fixed disc through a movable hinged support, a thrust disc is arranged at the bottom end of the fixed disc, two through holes are formed in the top end of the thrust disc, the other end of each opening and closing frame extends to the bottom of the thrust disc through the two through holes, a pressure plate is arranged at the top end of the thrust disc, the pressure plate is connected with the thrust disc through bolts, a lead screw is arranged at the top end of the pressure plate, one end of the lead screw is movably connected with the pressure plate through a bearing, the lead screw and the pressure plate are arranged between the two opening and closing frames, and the other end of the lead screw extends to the top end of the fixed disc and is connected with the fixed disc through threads.

Furthermore, two rotary handles are fixedly arranged at the other end of the screw rod.

Furthermore, a plurality of rolling shafts are arranged inside the through hole, the rolling shafts are arranged on two sides of the opening and closing frame, and two ends of each rolling shaft are movably connected with the inner walls of the front side and the rear side of the through hole through bearings.

Further, the other end of the opening and closing frame is fixedly provided with a sleeve, a connector is arranged inside the sleeve, the connector is connected with the sleeve through threads, and one end of the connector extends to the bottom of the sleeve.

Further, a stressing claw is fixedly arranged at one end of the connecting head, a sleeve is sleeved at the outer end of the stressing claw, and a limiting plate is fixedly arranged at the outer end of the sleeve.

Further, sleeve outer end is equipped with first fastening bolt, first fastening bolt one end extends to inside the sleeve and contacts with the connector outer end, first fastening bolt passes through threaded connection with the sleeve, the sleeve pipe outer end is equipped with second fastening bolt, second fastening bolt one end extends to inside the sleeve pipe and contacts with afterburning claw outer end, second fastening bolt passes through threaded connection with the sleeve pipe.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up straining device, rotation turning handle and lead screw, control thrust disc and pressure disk reciprocate, because two through-holes on the thrust disc are run through to the frame of opening and shutting, consequently, just can so and control the opening and shutting of frame when the thrust disc reciprocates, opening and shutting the frame open simultaneously, the afterburning claw of its one end opens thereupon, then insert afterburning claw one end in the gap of chain, after the frame of opening and shutting merges thereupon, two afterburning claws merge thereupon, with this taut with the both ends of chain disconnection, make the both ends of chain possess the safe distance that can make, make the operation of taut chain more laborsaving, also greatly reduced the potential safety hazard.

2. The utility model discloses a rotate the connector and part sleeve and connector to this disconnection adds the power claw and opens and shuts being connected between the frame, then changes not unidimensional power claw, so that be suitable for not unidimensional chain, sets up sleeve pipe and limiting plate in the power claw outer end in addition, and sleeve pipe and limiting plate can slide at will in power claw outer end, with this position of restriction chain, avoid skidding.

Drawings

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

Fig. 2 is a three-dimensional half-sectional view of the square hole of the present invention.

Fig. 3 is a three-dimensional half-sectional view of the stop collar of the present invention.

Fig. 4 is a three-dimensional half-sectional view of the sleeve of the present invention.

Fig. 5 is a perspective view of the stressing claw of the present invention.

The reference signs are: 1. fixing the disc; 2. a platen; 3. a thrust disc; 4. a sleeve; 5. a sleeve; 6. a force applying claw; 7. a limiting plate; 8. a connector; 9. opening and closing frames; 10. a through hole; 11. a lead screw; 12. a first fastening bolt; 13. turning a handle; 14. and (4) rolling shafts.

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 the attached drawings 1-5 in the specification, the chain tensioner device of the embodiment comprises a fixed disc 1, wherein a tensioning mechanism is arranged at the bottom of the fixed disc 1;

the tensioning mechanism comprises two opening and closing frames 9, the opening and closing frames 9 are arranged at the bottom end of a fixed disc 1, one end of each opening and closing frame 9 is connected with the bottom end of the fixed disc 1 through a movable hinged support, a thrust disc 3 is arranged at the bottom of the fixed disc 1, two through holes 10 are formed in the top end of the thrust disc 3, the other ends of the two opening and closing frames 9 respectively extend to the bottom of the thrust disc 3 through the two through holes 10, a pressure disc 2 is arranged at the top end of the thrust disc 3, the pressure disc 2 is connected with the thrust disc 3 through bolts, a lead screw 11 is arranged at the top end of the pressure disc 2, one end of the lead screw 11 is movably connected with the pressure disc 2 through a bearing, the lead screw 11 and the pressure disc 2 are both arranged between the two opening and closing frames 9, the other end of the lead screw 11 extends to the top end of the fixed disc 1 and is connected with the fixed disc 1 through threads, so that both ends of a chain are tensioned, and both ends of the chain have a safe distance capable of being manufactured, the operation of tensioning the chain is more labor-saving, and the potential safety hazard is greatly reduced.

Two rotary handles 13 are fixedly arranged at the other end of the screw rod 11, so that the screw rod 11 can be conveniently rotated.

The through hole 10 is internally provided with a plurality of rollers 14, the rollers 14 are arranged on two sides of the opening and closing frame 9, two ends of each roller 14 are movably connected with the inner walls of the front side and the rear side of the through hole 10 through bearings, and sliding friction between the inner wall of the through hole 10 and the opening and closing frame 9 is changed into rolling friction by the rollers 14, so that abrasion between the inner wall of the through hole 10 and the opening and closing frame 9 is reduced.

The implementation scenario is specifically as follows: when two ends of a broken chain are tensioned, firstly, a rotary handle 13 is rotated to drive a screw rod 11 to rotate, the screw rod 11 is connected with a fixed disc 1 through threads, therefore, along with the rotation of the screw rod 11, the screw rod 11 and a pressure disc 2 at one end of the screw rod are pulled to move upwards, the pressure disc 2 is fixed at the top end of a thrust disc 3, therefore, the thrust disc 3 is pulled to move upwards, because two opening and closing frames 9 penetrate through holes 10 on the thrust disc 3, along with the upward movement of the thrust disc 3, the two opening and closing frames 9 are supported to open, a stress application claw 6 at one end of the opening and closing frame 9 is opened along with the pressure application claw, then one end of the stress application claw 6 is inserted into a gap at a broken part of the chain, then, the screw rod 11 is rotated reversely, the pressure disc 2 and the thrust disc 3 are pushed to move downwards, so that the two opening and closing frames 9 are combined, then the stress application claws 6 at one end of the opening and closing frame 9 are combined, and the two combined stress application claws 6 pull two ends of the chain to be broken, with its taut fixed, make the both ends of chain possess the safe distance that can make, make the operation of taut chain more laborsaving, also greatly reduced the potential safety hazard, through setting up straining mechanism, rotate turning handle 13 and lead screw 11, control thrust disc 3 and pressure disk 2 reciprocate, because the frame 9 that opens and shuts runs through two through-holes 10 on the thrust disc 3, consequently, the thrust disc 3 just can and control the opening and shutting of frame 9 when reciprocating, when the frame 9 that opens and shuts, afterburning claw 6 of its one end opens thereupon, then insert the gap of chain with afterburning claw 6 one end, after the frame 9 that opens and shuts merges, two afterburning claws 6 merge thereupon, with this both ends taut with the chain disconnection, make the both ends of chain possess the safe distance that can make, make the operation of taut chain more laborsaving, also greatly reduced the potential safety hazard.

Referring to the attached drawings 1-5 in the specification, in the chain tensioner device of this embodiment, a sleeve 4 is fixedly arranged at the other end of the opening and closing frame 9, a connector 8 is arranged inside the sleeve 4, the connector 8 is connected with the sleeve 4 through threads, and one end of the connector 8 extends to the bottom of the sleeve 4.

The fixed atress claw 6 that is equipped with of 8 one end of connector, the cover is equipped with sleeve pipe 5 in the 6 outer pot heads of atress claw, the fixed limiting plate 7 that is equipped with in 5 outer ends of sleeve pipe drives the atress claw 6 through opening and shutting the frame 9 and with the chain taut.

4 outer ends of sleeve are equipped with first fastening

bolt

12, 12 one ends of first fastening bolt extend to sleeve 4 inside and contact with 8 outer ends of connector, first fastening bolt 12 passes through threaded connection with

sleeve

4, 5 outer ends of sleeve are equipped with second fastening bolt, second fastening bolt one end extends to 5 inside and contact with 6 outer ends of afterburning claw of sleeve pipe, second fastening bolt passes through threaded connection with sleeve pipe 5, and sleeve pipe 5 and limiting plate 7 can slide at will in 6 outer ends of afterburning claw to this position of restriction chain avoids skidding.

The implementation scenario is specifically as follows: fix a sleeve 4 at the one end of frame 9 that opens and shuts, the inside connector 8 of sleeve 4 passes through threaded connection with 4 inner walls of sleeve, and connector 8 is fixed in 6 one ends of atress claw, consequently, atress claw 6 is connected with frame 9 one end that opens and shuts through sleeve 4 and connector 8, the accessible rotates connector 8 and separates sleeve 4 and connector 8, break off the connection between atress claw 6 and the frame 9 that opens and shuts with this, then change not unidimensional atress claw 6, so that be suitable for not unidimensional chain, set up sleeve pipe 5 and limiting plate 7 in addition at the claw 6 outer end that adds, sleeve pipe 5 and limiting plate 7 can slide at the 6 outer ends of atress claw at will, with this position of restriction chain, avoid skidding.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The chain tensioner device comprises a fixed disc (1), and is characterized in that: the bottom of the fixed disc (1) is provided with a tensioning mechanism;

the tensioning mechanism comprises two opening and closing frames (9), the opening and closing frames (9) are arranged at the bottom end of the fixed disc (1), one end of the opening and closing frame (9) is connected with the bottom end of the fixed disc (1) through a movable hinged support, the bottom of the fixed disc (1) is provided with a thrust disc (3), the top end of the thrust disc (3) is provided with two through holes (10), the other ends of the two opening and closing frames (9) respectively extend to the bottom of the thrust disc (3) through the two through holes (10), the top end of the thrust disc (3) is provided with a pressure plate (2), the pressure plate (2) is connected with the thrust disc (3) through a bolt, a screw rod (11) is arranged at the top end of the pressure plate (2), one end of the screw rod (11) is movably connected with the pressure plate (2) through a bearing, the screw rod (11) and the pressure plate (2) are both arranged between the two opening and closing frames (9), the other end of the screw rod (11) extends to the top of the fixed disc (1) and is connected with the fixed disc (1) through threads.

2. The chain tensioner assembly of claim 1, wherein: two rotary handles (13) are fixedly arranged at the other end of the screw rod (11).

3. The chain tensioner assembly of claim 1, wherein: the through hole (10) is internally provided with a plurality of rolling shafts (14), the rolling shafts (14) are arranged on two sides of the opening and closing frame (9), and two ends of each rolling shaft (14) are movably connected with the inner walls of the front side and the rear side of the through hole (10) through bearings.

4. The chain tensioner assembly of claim 1, wherein: open and shut frame (9) other end fixed sleeve (4) of being equipped with, sleeve (4) inside is equipped with connector (8), connector (8) pass through threaded connection with sleeve (4), connector (8) one end extends to sleeve (4) bottom.

5. The chain tensioner assembly as set forth in claim 4, wherein: connector (8) one end is fixed and is equipped with reinforcing claw (6), reinforcing claw (6) outer end cover is equipped with sleeve pipe (5), sleeve pipe (5) outer end is fixed and is equipped with limiting plate (7).

6. The chain tensioner assembly as set forth in claim 5, wherein: sleeve (4) outer end is equipped with first fastening bolt (12), first fastening bolt (12) one end extends to inside sleeve (4) and contacts with connector (8) outer end, first fastening bolt (12) pass through threaded connection with sleeve (4), sleeve pipe (5) outer end is equipped with second fastening bolt, second fastening bolt one end extends to inside sleeve pipe (5) and contacts with afterburning claw (6) outer end, second fastening bolt passes through threaded connection with sleeve pipe (5).