CN216917396U - Chain tensioning device and duct piece conveying device with same - Google Patents
Chain tensioning device and duct piece conveying device with same Download PDFInfo
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- CN216917396U CN216917396U CN202123421705.5U CN202123421705U CN216917396U CN 216917396 U CN216917396 U CN 216917396U CN 202123421705 U CN202123421705 U CN 202123421705U CN 216917396 U CN216917396 U CN 216917396U
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- chain
- tensioning
- seat
- guide rail
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Abstract
A chain tensioning device and a segment conveying device with the same are provided, and the device comprises: a first mounting seat for mounting on the end of the external guide rail beam; the second mounting seat is arranged on the first mounting seat in a sliding manner along the length direction of the external guide rail beam; the chain wheel mechanism is arranged on the second mounting seat and is used for assisting the outer chain to rotate; and the tensioning spring mechanism is used for pushing the second mounting seat to move towards the direction of tensioning the external chain, one end of the tensioning spring mechanism is arranged on the first mounting seat, and the other end of the tensioning spring mechanism is arranged on the second mounting seat. The application provides a technical scheme, can adjust two independent tensionings that turn to the endless chain, improve and turn to endless chain operating stability, the life-span that the extension turned to the endless chain.
Description
Technical Field
The utility model relates to a chain tensioning device, belonging to the technical field of intelligent manufacturing; the utility model also relates to a pipe piece conveying device.
Background
At present, in the construction of a shield machine in underground tunnel engineering, due to the characteristics of a rear matched structure, duct pieces on a marshalling train cannot be directly conveyed to a duct piece assembling position, the duct pieces on the marshalling train are hoisted to a duct piece conveying trolley through a duct piece hoisting machine, then the duct pieces are transported to the lower part of a duct piece assembling machine through the duct piece trolley, and the duct piece assembling machine is used for grabbing and assembling. The transportation of the duct pieces restricts the assembly efficiency of the duct pieces, and the flexibility of the equipment restricts the adaptability of the equipment to the tunnel.
In the prior art, a driving system of a direct-splicing area liquid-drive double-beam segment crane comprises a driving assembly, a circulating chain, a conveying trolley and a steering assembly, wherein the driving assembly is provided with a driving motor and a chain wheel, the chain wheel is meshed with the circulating chain, the conveying trolley is driven by the driving motor to travel along a guide rail beam, and each conveying trolley is driven by two circulating chains. In the in-service use in-process, because drive assembly and the assembly that turns to are fixed point synchronous rotation, and the circulation chain drags along hyperbolic roof beam for two circulation chains on the transport trolley hardly keep the tensioning unanimous, easily appear unbalance loading and latch phenomenon, specifically if: the turning stage is serious, and can not be independently adjusted, so that the service lives of a driving shaft and a circulating chain are seriously influenced.
Therefore, a chain tensioning device which can independently adjust the tensioning of two steering circulation chains, improve the operation stability of the steering circulation chains and prolong the service life of the steering circulation chains is a technical problem to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to independently adjust the tension of two steering circulation chains, improve the running stability of the steering circulation chains and prolong the service life of the steering circulation chains. The present invention provides a chain tensioner, comprising: a first mounting seat for mounting on an end of an external guide rail beam; the second mounting seat is arranged on the first mounting seat in a sliding mode along the length direction of the external guide rail beam; the chain wheel mechanism is arranged on the second mounting seat and is used for assisting the rotation of an external chain; the tensioning spring mechanism is used for pushing the second mounting seat to move towards the direction of tensioning the external chain, one end of the tensioning spring mechanism is arranged on the first mounting seat, and the other end of the tensioning spring mechanism is arranged on the second mounting seat; wherein the tension spring mechanism comprises: the spring seat is arranged on the second mounting seat, and the tensioning spring is arranged on the spring seat and used for providing tensioning elastic force, and one end of the tensioning spring is connected with the first mounting seat.
According to a first embodiment of the present invention, there is provided a chain tensioner comprising:
a chain tensioner, the apparatus comprising: a first mounting seat for mounting on an end of an external guide rail beam; the second mounting seat is arranged on the first mounting seat in a sliding mode along the length direction of the external guide rail beam; the chain wheel mechanism is arranged on the second mounting seat and is used for assisting the rotation of an external chain; the tensioning spring mechanism is used for pushing the second mounting seat to move towards the direction of tensioning the external chain, one end of the tensioning spring mechanism is arranged on the first mounting seat, and the other end of the tensioning spring mechanism is arranged on the second mounting seat; wherein the tension spring mechanism comprises: the spring seat is arranged on the second mounting seat, and the tensioning spring is arranged on the spring seat and used for providing tensioning elastic force, and one end of the tensioning spring is connected with the first mounting seat.
Further, as a more preferred embodiment of the present invention, the tension spring mechanism further includes: the screw rod seat is arranged on the first mounting seat; the tensioning screw rod is arranged on the screw rod seat and matched with the screw rod seat through a threaded structure, and one end of the tensioning screw rod is connected with the tensioning spring.
Further, as a more preferred embodiment of the present invention, the tension spring mechanism further includes: the adjusting part is arranged on the tensioning screw rod and is far away from one end of the tensioning spring, and the adjusting part is used for being matched with an external tool.
Further, as a more preferred embodiment of the present invention, the sprocket mechanism comprises: the bearing seat is arranged on the second mounting seat; the bearing group is arranged on the bearing seat; one end of the steering shaft is arranged on the bearing group; the steering chain wheel is arranged on the steering shaft and is far away from one end of the bearing group, and the steering chain wheel is used for assisting an external steering chain to rotate.
Further, as a more preferred embodiment of the present invention, the sprocket mechanism further comprises: and the baffle is arranged at the end part of the steering shaft and is used for limiting the steering chain wheel to be separated from the steering shaft.
Further, as a more preferred embodiment of the present invention, the sprocket mechanism further comprises: and the spacer bush is arranged on the steering shaft and used for limiting the steering chain wheel to move to one side of the bearing seat.
Further, as a more preferable embodiment of the present invention, the sprocket mechanism further comprises: the bearing end cover is arranged on one end of the bearing seat and is arranged on the second mounting seat.
Further, as a more preferred embodiment of the present invention, the bearing set includes: 2 ball bearings.
Further, as a more preferable embodiment of the present invention, the first mounting seat is provided with a guide groove, a length direction of the guide groove is identical to a length direction of the external guide rail beam, and the second mounting seat is slidably disposed in the guide groove; a limiting bolt is arranged on the first mounting seat; the second mounting seat is provided with a mounting plate attached to the first mounting seat, and the mounting plate is provided with a waist-shaped hole along the length direction of the external guide rail beam; the limiting bolt is matched with the waist-shaped hole to limit the second mounting seat to move only along the length direction of the external guide rail beam.
According to a second embodiment of the present invention, there is provided a tube sheet transport device:
a segment transfer device, comprising: a guide rail beam; the chain tensioning device of the first embodiment is arranged at the end part of the guide rail beam, and is sleeved on a chain on the chain wheel mechanism; the duct piece transport trolley is arranged on the guide rail beam, and the chain is used for driving the duct piece transport trolley to move.
Compared with the prior art, the technical scheme that this application provided installs at the front end of guide rail roof beam through the first mount pad of chain overspeed device tensioner, and supplementary outside chain pivoted sprocket mechanism sets up on the second mount pad, and second mount pad slidable sets up on first mount pad, under tensioning spring mechanism's control, the second mount pad has the removal potential energy that removes always, promptly sprocket mechanism has the motion trend of the outside chain of tensioning always, when the chain appears becoming flexible, under tensioning spring mechanism's drive, the second mount pad removes for the outside chain of sprocket mechanism tensioning. The technical scheme of this application, can adjust two independent tensionings that turn to the endless chain, improve and turn to endless chain operating stability, the life-span that the extension turned to the endless chain.
Drawings
FIG. 1 is a schematic view of the internal structure of a chain tensioner in an embodiment of the present invention;
FIG. 2 is a front view of a chain tensioner in an embodiment of the present invention;
FIG. 3 is a top view of a chain tensioner in an embodiment of the present invention;
fig. 4 is a schematic view of the overall structure of a segment transport device according to an embodiment of the present invention.
Reference numerals:
a first mounting base 1; a guide groove 101; a limit bolt 102; a second mounting base 2; a mounting plate 21; waist-shaped holes 2101; a bearing housing 22; a spring seat 23; a bearing set 24; a bearing end cap 25; a steering shaft 3; a spacer 4; a steering sprocket 5; a baffle 6; a tension spring 7; a tensioning screw 8; an adjustment unit 802; a screw base 11;
a guide rail beam A; and a segment transport trolley B.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
According to a first embodiment of the present invention, there is provided a chain tensioner comprising:
a chain tensioner, the apparatus comprising: a first mounting base 1 for mounting on the end of an external guide rail beam; the second mounting base 2 is arranged on the first mounting base 1 in a sliding mode along the length direction of the external guide rail beam; a sprocket mechanism provided on the second mounting seat 2, the sprocket mechanism being used to assist the rotation of the external chain; the tensioning spring mechanism is used for pushing the second mounting seat 2 to move towards the direction of tensioning the external chain, one end of the tensioning spring mechanism is arranged on the first mounting seat 1, and the other end of the tensioning spring mechanism is arranged on the second mounting seat 2; wherein the tension spring mechanism comprises: the spring seat 23 is arranged on the second mounting seat 2, and the tension spring 7 is arranged on the spring seat 23 and used for providing tension elastic force, and one end of the tension spring 7 is connected with the first mounting seat 1.
The application provides a technical scheme of a chain tensioning device. This technical scheme installs at the front end of guide rail roof beam through the first mount pad of chain overspeed device tensioner, and supplementary outside chain pivoted sprocket mechanism sets up on the second mount pad, and second mount pad slidable sets up on first mount pad, under tensioning spring mechanism's control, the second mount pad has the removal potential energy that removes always, promptly sprocket mechanism has the motion trend of the outside chain of tensioning always, when the chain appears becoming flexible, under tensioning spring mechanism's drive, the second mount pad removes for sprocket mechanism tensioning outside chain. The technical scheme of this application, can adjust two independent tensionings that turn to the endless chain, improve and turn to endless chain operating stability, the life-span that the extension turned to the endless chain.
Specifically stated, in an embodiment of the present invention, the tension spring mechanism further includes: the screw rod seat 11 is arranged on the first mounting seat 1; the tensioning screw 8 is arranged on the screw seat 11, the tensioning screw 8 is matched with the screw seat 11 through a thread structure, and one end of the tensioning screw 8 is connected with the tensioning spring 7.
The tension screw can adjust the position of the stress action base point of the tension spring, so that the tension adjusting range of the chain wheel mechanism can be adjusted to a larger extent, and the applicability of the device is improved.
Specifically stated, in an embodiment of the present invention, the tension spring mechanism further includes: and the adjusting part 802 is arranged on the tensioning screw rod 8 and is far away from one end of the tensioning spring 7, and the adjusting part 802 is used for being matched with an external tool.
The adjusting portion is a bolt head structure. The position of the action base point of the connection of the tensioning screw rod and the tensioning spring can be conveniently adjusted through the adjusting part.
Specifically stated, in an embodiment of the present invention, the sprocket mechanism includes: a bearing seat 22 provided on the second mount 2; a bearing set 24 disposed on the bearing seat 22; a steering shaft 3, one end of the steering shaft 3 being disposed on the bearing set 24; and the steering chain wheel 5 is arranged on the steering shaft 3 and is far away from one end of the bearing group 24, and the steering chain wheel 5 is used for assisting the rotation of an external steering chain.
It should be noted that, through the cooperation of bearing frame and bearing group, can better control the smooth rotation of steering shaft.
Specifically stated, in an embodiment of the present invention, the sprocket mechanism further includes: and the baffle 6 is arranged at the end part of the steering shaft 3, and the baffle 6 is used for limiting the steering chain wheel 5 to be separated from the steering shaft 3.
Specifically stated, in an embodiment of the present invention, the sprocket mechanism further includes: and a spacer 4 disposed on the steering shaft 3, wherein the spacer 4 is used for limiting the steering sprocket 5 to move to the side of the bearing seat 22.
Specifically stated, in an embodiment of the present invention, the sprocket mechanism further includes: and the bearing end cover 25 is arranged at one end of the bearing seat 22 and is arranged on the second mounting seat 2.
It should be noted that the bearing end cover seals the inside of the bearing seat, and provides a stable environment for the operation of the bearing assembly.
Specifically stated, in the present embodiment, the bearing set 24 includes: 2 ball bearings.
Specifically, in the embodiment of the present invention, a guide groove 101 is provided on the first mounting base 1, a length direction of the guide groove 101 is identical to a length direction of the external guide rail beam, and the second mounting base 2 is slidably disposed in the guide groove 101; the first mounting base 1 is provided with a limiting bolt 102; the second mounting base 2 is provided with a mounting plate 21 attached to the first mounting base 1, and the mounting plate 21 is provided with a waist-shaped hole 2101 along the length direction of the external guide rail beam; the limit bolt 102 is matched with the kidney-shaped hole 2101 to limit the second mounting base 2 to move only along the length direction of the external guide rail beam.
The second mounting seat is moved on the first mounting seat through the guide groove, and the second mounting seat is prevented from falling off from the first mounting seat through the matching of the limiting bolt and the kidney-shaped hole.
According to a second embodiment of the present invention, there is provided a tube sheet transport device:
a segment transport device, comprising: a guide rail beam A; the chain tensioning device of the first embodiment, which is arranged at the end part of the guide rail beam A, is sleeved on a chain on the chain wheel mechanism; and the segment transport trolley B is arranged on the guide rail beam A, and the chain is used for driving the segment transport trolley B to move.
The application also provides a technical scheme of the pipe piece conveying device. In the technical scheme, the guide rail beam is made of I-shaped steel, the chain transmission systems are arranged in steel grooves on two sides of the I-shaped steel, and the 2 chain tensioning devices are arranged on two sides of the front end part of the guide rail beam and are respectively connected with the chain transmission systems in the steel grooves on two sides of the I-shaped steel, so that the transmission of the chain transmission systems is assisted, and the tensioning force is provided for the steering circulation chain.
Example 1
A chain tensioner, the apparatus comprising: a first mounting base 1 for mounting on the end of an external guide rail beam; the second mounting base 2 is arranged on the first mounting base 1 in a sliding mode along the length direction of the external guide rail beam; a sprocket mechanism provided on the second mounting seat 2, the sprocket mechanism being used to assist the rotation of the external chain; the tensioning spring mechanism is used for pushing the second mounting seat 2 to move towards the direction of tensioning the external chain, one end of the tensioning spring mechanism is arranged on the first mounting seat 1, and the other end of the tensioning spring mechanism is arranged on the second mounting seat 2; wherein the tension spring mechanism comprises: the spring seat 23 is arranged on the second mounting seat 2, and the tension spring 7 is arranged on the spring seat 23 and used for providing tension elastic force, and one end of the tension spring 7 is connected with the first mounting seat 1.
Example 2
Example 1 is repeated except that the tension spring mechanism further comprises: the screw rod seat 11 is arranged on the first mounting seat 1; the tensioning screw 8 is arranged on the screw seat 11, the tensioning screw 8 is matched with the screw seat 11 through a thread structure, and one end of the tensioning screw 8 is connected with the tensioning spring 7.
Example 3
Example 2 is repeated except that the tension spring mechanism further comprises: and the adjusting part 802 is arranged on the tensioning screw rod 8 and is far away from one end of the tensioning spring 7, and the adjusting part 802 is used for being matched with an external tool.
Example 4
Example 5
Example 6
Example 7
Example 8
Example 9
Example 10
A segment transport device, comprising: a guide rail beam A; the chain tensioning device is arranged at the end part of the guide rail beam A and sleeved on a chain on the chain wheel mechanism; and the segment transport trolley B is arranged on the guide rail beam A, and the chain is used for driving the segment transport trolley B to move.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A chain tensioner, comprising:
a first mounting base (1) for mounting on the end of an external guide rail beam;
the second mounting seat (2) is arranged on the first mounting seat (1) in a sliding mode along the length direction of the external guide rail beam;
the chain wheel mechanism is arranged on the second mounting seat (2) and is used for assisting the rotation of an external chain;
the tensioning spring mechanism is used for pushing the second mounting seat (2) to move towards the direction of tensioning the external chain, one end of the tensioning spring mechanism is arranged on the first mounting seat (1), and the other end of the tensioning spring mechanism is arranged on the second mounting seat (2);
wherein the tension spring mechanism comprises: the spring seat (23) is arranged on the second mounting seat (2), the tensioning spring (7) is arranged on the spring seat (23) and used for providing tensioning elastic force, and one end of the tensioning spring (7) is connected with the first mounting seat (1).
2. The chain tensioner as set forth in claim 1, wherein said tension spring mechanism further comprises:
the screw rod seat (11) is arranged on the first mounting seat (1);
the tensioning screw rod (8) is arranged on the screw rod seat (11), the tensioning screw rod (8) is matched with the screw rod seat (11) through a threaded structure, and one end of the tensioning screw rod (8) is connected with the tensioning spring (7).
3. The chain tensioner as set forth in claim 2, wherein said tension spring mechanism further comprises:
the adjusting part (802) is arranged on the tensioning screw rod (8) and is far away from one end of the tensioning spring (7), and the adjusting part (802) is used for being matched with an external tool.
4. A chain tensioner according to any of claims 1-3, characterised in that the sprocket mechanism comprises:
a bearing seat (22) arranged on the second mounting seat (2);
a bearing set (24) disposed on the bearing seat (22);
a steering shaft (3), one end of the steering shaft (3) being arranged on the bearing set (24);
the steering chain wheel (5) is arranged on the steering shaft (3) and is far away from one end of the bearing set (24), and the steering chain wheel (5) is used for assisting an external steering chain to rotate.
5. The chain tensioner as set forth in claim 4, wherein said sprocket mechanism further comprises:
a baffle (6) arranged at the end part of the steering shaft (3), wherein the baffle (6) is used for limiting the steering chain wheel (5) to be separated from the steering shaft (3).
6. The chain tensioner as set forth in claim 4, wherein said sprocket mechanism further comprises:
and the spacer bush (4) is arranged on the steering shaft (3), and the spacer bush (4) is used for limiting the steering chain wheel (5) to move towards one side of the bearing seat (22).
7. The chain tensioner as set forth in claim 4, wherein said sprocket mechanism further comprises:
and the bearing end cover (25) is arranged on the second mounting seat (2) and is positioned at one end of the bearing seat (22).
8. Chain tensioner according to claim 4, characterized in that said bearing group (24) comprises: 2 ball bearings.
9. A chain tensioner according to any of claims 1-3, characterised in that said first mounting seat (1) is provided with a guide slot (101), the length direction of said guide slot (101) coinciding with the length direction of the outer guide rail beam, said second mounting seat (2) being slidably arranged in said guide slot (101);
a limiting bolt (102) is arranged on the first mounting seat (1);
the second mounting seat (2) is provided with a mounting plate (21) jointed with the first mounting seat (1),
a waist-shaped hole (2101) along the length direction of the external guide rail beam is formed in the mounting plate (21);
the limiting bolt (102) is matched with the waist-shaped hole (2101) to limit the second mounting seat (2) to move only in the length direction of the external guide rail beam.
10. A segment transport having the chain tensioner as claimed in any one of claims 1 to 9, characterized in that it comprises:
a guide rail beam (A);
chain tensioner according to any of claims 1 to 9 arranged at the end of the guide rail beam (A),
the chain is sleeved on the chain wheel mechanism;
the duct piece transport trolley (B) is arranged on the guide rail beam (A), and the chain is used for driving the duct piece transport trolley (B) to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123421705.5U CN216917396U (en) | 2021-12-31 | 2021-12-31 | Chain tensioning device and duct piece conveying device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123421705.5U CN216917396U (en) | 2021-12-31 | 2021-12-31 | Chain tensioning device and duct piece conveying device with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216917396U true CN216917396U (en) | 2022-07-08 |
Family
ID=82256559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123421705.5U Active CN216917396U (en) | 2021-12-31 | 2021-12-31 | Chain tensioning device and duct piece conveying device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216917396U (en) |
-
2021
- 2021-12-31 CN CN202123421705.5U patent/CN216917396U/en active Active
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