CN220227578U - Adjustable elastic torque arm - Google Patents
Adjustable elastic torque arm Download PDFInfo
- Publication number
- CN220227578U CN220227578U CN202322018751.3U CN202322018751U CN220227578U CN 220227578 U CN220227578 U CN 220227578U CN 202322018751 U CN202322018751 U CN 202322018751U CN 220227578 U CN220227578 U CN 220227578U
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- rod
- pull rod
- upper pull
- torque arm
- adjustable elastic
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- 230000007246 mechanism Effects 0.000 claims abstract description 7
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- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
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- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses an adjustable elastic torque arm, which comprises a machine base and an upper pull rod, wherein the right side of the machine base is fixedly provided with the upper pull rod, the left side and the right side of the inner wall of the upper pull rod are fixedly connected through a slide rod, the right side of the surface of the slide rod is in sliding connection with a slide block, the left side of the surface of the slide rod is sleeved with a spring, the top and the bottom of the right side of the slide block are fixedly connected with connecting rods, the right end of each connecting rod penetrates through the upper pull rod and extends to the outer part of the upper pull rod, and the right side of the upper pull rod is provided with a limiting mechanism. According to the utility model, through the mutual matching of the stand, the upper pull rod, the slide bar, the slide block, the spring, the connecting rod, the limiting mechanism, the movable hole, the limiting rod, the handle, the limiting groove, the slide column, the movable plate, the clamping block, the sleeve spring, the lower pull rod and the pull plate, the effect of conveniently adjusting elasticity is achieved, the operation of an adjusting process is simple, and time and labor are saved.
Description
Technical Field
The utility model relates to the technical field of torque arms, in particular to an adjustable elastic torque arm.
Background
In a typical gear assembly application, the output shaft of the gear assembly is a hollow shaft that is threaded over the drive shaft of the work machine to transmit operating torque to the drive shaft of the work machine via a shrink disk, an expansion sleeve, or a keyed connection, and the gear assembly is suspended entirely from the drive shaft of the work machine. In general, the torque generated by the transmission is transferred to the housing via a rigid torque arm. Because the rigid torque arm is adopted, the impact load can vibrate and impact the gear transmission device, so that the gear is damaged, and the service life of the transmission device is shortened.
In the prior art, as in the patent of application number CN200820222764.5, the present utility model belongs to the field of mechanical transmission, and in particular relates to an adjustable elastic torque arm, which is characterized in that: an elastic torque arm is connected between the stand and the pulling plate; the supporting and countering moment generated by the gear transmission device is transmitted to an elastic rod of an elastic torsion arm through a pulling plate, a cylindrical helical compression spring with adjustable compression amount is arranged in the elastic rod, the elasticity of the elastic rod is adjusted by adjusting the compression amount of the spring, the elastic rod is connected with a machine base, and the supporting and countering moment is transmitted to the machine base through the elastic rod to buffer and absorb impact load. It can slow down the impact load to the gear drive effort and can improve the running stability of transmission. However, in practical use, the adjustable elastic torsion arm of the above patent needs to replace the adjusting pad with different thickness when adjusting the elasticity, which is inconvenient to operate.
Disclosure of Invention
The present utility model is directed to an adjustable elastic torque arm for solving the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an adjustable elastic torque arm comprising:
a base;
the right side of the machine seat is fixedly provided with an upper pull rod;
the left side and the right side of the inner wall of the upper pull rod are fixedly connected through the slide rod;
the right side of the surface of the sliding rod is slidingly connected with the sliding block, and the left side of the surface of the sliding rod is sleeved with a spring;
the top and the bottom of the right side of the sliding block are fixedly connected with connecting rods, and the right end of each connecting rod penetrates through the upper pull rod and extends to the outer part of the upper pull rod;
the limiting mechanism is arranged on the right side of the upper pull rod and comprises a movable hole, a limiting rod, a handle, limiting grooves, a sliding column, a movable plate, clamping blocks and a sleeve spring, the right side of the upper pull rod is symmetrically provided with two movable holes, the inside of each movable hole is movably inserted with the limiting rod, the right end of each limiting rod penetrates through the corresponding movable hole and extends to the outside of the corresponding movable hole, the two limiting rods are fixedly connected with the same handle, one side of each limiting rod, far away from the connecting rod, is sequentially provided with a plurality of limiting grooves from right to left, the center of the right side of the upper pull rod is provided with a groove, the top and the bottom of the inner wall of the groove are fixedly connected through the sliding column, the top and the bottom of the surface of the sliding column are fixedly connected with the movable plate in a sliding mode, the right side of the movable plate penetrates through the groove and extends to the outside of the groove, the movable plate is close to one side of the connecting rod and is fixedly connected with the clamping blocks located on the outside of the groove, one side of the clamping block, which penetrates through the limiting grooves and extends to the inside of the limiting grooves, and the sleeve spring is sleeved on the center of the surface of the sliding column.
Further, the right ends of the two connecting rods are fixedly connected with the same lower pull rod, and a pull plate is arranged on the right side of the lower pull rod.
Further, the inside of the upper pull rod is of a hollow structure.
Further, the surface of the sliding block is in movable contact with the surface of the upper pull rod.
Further, the connecting rod is movably connected with the upper pull rod.
Further, the movable plate is movably connected with the groove.
Further, the clamping block is movably clamped with the limiting groove.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through the mutual matching of the stand, the upper pull rod, the slide bar, the slide block, the spring, the connecting rod, the limiting mechanism, the movable hole, the limiting rod, the handle, the limiting groove, the slide column, the movable plate, the clamping block, the sleeve spring, the lower pull rod and the pull plate, the effect of conveniently adjusting elasticity is achieved, the operation of an adjusting process is simple, and time and labor are saved.
Drawings
FIG. 1 is a cross-sectional view of an elevation structure of the present utility model;
FIG. 2 is a schematic view of a stop lever according to the present utility model;
fig. 3 is an enlarged schematic view of fig. 1 a according to the present utility model.
In the figure: 1. a base; 2. a pull rod; 3. a slide bar; 4. a slide block; 5. a spring; 6. a connecting rod; 7. a limiting mechanism; 71. a movable hole; 72. a limit rod; 73. a handle; 74. a limit groove; 75. a groove; 76. a spool; 77. a movable plate; 78. a clamping block; 79. sleeving a spring; 8. a pull-down rod; 9. pulling the plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, an adjustable elastic torque arm comprises a machine base 1 and an upper pull rod 2, wherein the upper pull rod 2 is fixedly installed on the right side of the machine base 1, the left side and the right side of the inner wall of the upper pull rod 2 are fixedly connected through a slide rod 3, a slide block 4 is slidingly connected to the right side of the surface of the slide rod 3, a spring 5 is sleeved on the left side of the surface of the slide rod 3, a connecting rod 6 is fixedly connected to the top and the bottom of the right side of the slide block 4, the right end of the connecting rod 6 penetrates through the upper pull rod 2 and extends to the outer part of the upper pull rod 2, and a limiting mechanism 7 is arranged on the right side of the upper pull rod 2.
Specifically, stop gear 7 includes movable hole 71, gag lever post 72, handle 73, spacing groove 74, recess 75, the traveller 76, fly leaf 77, fixture block 78 and cover spring 79, two movable holes 71 have been seted up to the right side symmetry of pull-up rod 2, the inside activity of movable hole 71 has pegged graft there is gag lever post 72, the right-hand member of gag lever post 72 runs through movable hole 71 and extends to the outside of movable hole 71, the same handle 73 of right-hand member fixedly connected with of two gag lever posts 72, a plurality of spacing grooves 74 have been seted up in proper order from right to left in one side that the gag lever post 72 kept away from connecting rod 6, the recess 75 has been seted up in the right side center department of pull-up rod 2, link firmly through the traveller 76 between the top and the bottom of recess 75 inner wall, the top and the bottom of traveller 76 surface all sliding connection have fly leaf 77, the right side of fly leaf 77 runs through recess 75 and extends to the outside of recess 75, outside that the fly leaf 77 is close to connecting rod 6 one side and be located outside fixedly connected with fixture block 78 of recess 75, one side that fixture block 78 kept away from fly leaf 77 runs through spacing groove 74 and extends to the inside of spacing groove 74, the traveller 76, the center cover 79 is equipped with the center cover 79 on the surface.
Specifically, the right ends of the two connecting rods 6 are fixedly connected with the same pull-down rod 8, and a pull plate 9 is arranged on the right side of the pull-down rod 8.
In the specific implementation, the inside of the upper pull rod 2 is of a hollow structure.
Specifically, the surface of the slider 4 is in movable contact with the surface of the upper link 2.
In the concrete implementation, the connecting rod 6 is movably connected with the upper pull rod 2.
Specifically, the movable plate 77 is movably connected with the groove 75.
In particular, the clamping block 78 is movably clamped with the limiting groove 74.
When in practical application: the pull plate 9 is connected with a shell of a gear transmission device through a flange, the counter torque of the gear transmission device is transmitted to the pull plate 9 through the shell, then the counter torque is transmitted to the lower pull rod 8, the load of the spring 5 is transmitted to the upper pull rod 2 through the slide rod 3 when the load is transmitted to the spring 5 through the connecting rod 6 and the slide block 4, and then the load is transmitted to the base 1 through the upper pull rod 2. When the elasticity needs to be adjusted, the movable plate 77 and the clamping block 78 are pulled to one side far away from the limiting groove 74 to move to one side far away from the limiting groove 74, the sleeve spring 79 is compressed, the clamping block 78 is separated from the limiting groove 74, the handle 73 is pushed leftwards, the limiting rod 72 is driven to move leftwards, the sliding block 4 is pushed leftwards to move, the spring 5 is compressed until the compression amount of the spring 5 is adjusted to a proper size, the movable plate 77 is loosened, the movable plate 77 and the clamping block 78 are driven to perform reset movement under the action of the elasticity of the sleeve spring 79, the clamping block 78 is inserted into the corresponding limiting groove 74, and the compression amount of the spring 5 can be conveniently adjusted through the steps, so that the elasticity is adjusted.
All parts in the utility model are universal standard parts or parts known by a person skilled in the art, the structure and principle of the parts are known by the person skilled in the art through technical manuals or known by conventional experimental methods, and standard parts used in the application can be purchased from the market, all parts in the application can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the control mode of the utility model is automatically controlled by a controller, the control circuit of the controller can be realized through simple programming by the person skilled in the art, the supply of power also belongs to common general knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the utility model does not explain the control mode and circuit connection in detail.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An adjustable elastic torque arm, comprising:
a base (1);
the right side of the machine seat (1) is fixedly provided with an upper pull rod (2);
the left side and the right side of the inner wall of the upper pull rod (2) are fixedly connected through the slide rod (3);
the sliding block (4) is connected to the right side of the surface of the sliding rod (3) in a sliding way, and a spring (5) is sleeved on the left side of the surface of the sliding rod (3);
the connecting rod (6) is fixedly connected with the top and the bottom of the right side of the sliding block (4), and the right end of the connecting rod (6) penetrates through the upper pull rod (2) and extends to the outside of the upper pull rod (2);
the limiting mechanism (7), the right side of pull rod (2) is provided with stop gear (7), stop gear (7) include movable hole (71), gag lever post (72), handle (73), spacing groove (74), recess (75), slide column (76), fly leaf (77), fixture block (78) and cover spring (79), two movable holes (71) have been seted up to the right side symmetry of pull rod (2), the inside activity of movable hole (71) has pegged graft and has been used for spacing pole (72), the right-hand member of gag lever post (72) runs through movable hole (71) and extends to the outside of movable hole (71), two the right-hand member fixedly connected with same handle (73) of gag lever post (72), a plurality of spacing grooves (74) have been seted up in proper order from the right side to the left side of connecting rod (6) are kept away from to gag lever post (72), link to each other through slide column (76) between the top and the bottom of recess (75) inner wall, the right side of recess (75) and the outside of slide column (77) are all run through to the outside of recess (77), the movable plate (77) is close to one side of the connecting rod (6) and is located on the outer portion of the groove (75) and fixedly connected with a clamping block (78), one side, away from the movable plate (77), of the clamping block (78) penetrates through the limiting groove (74) and extends to the inner portion of the limiting groove (74), and a sleeve spring (79) is sleeved at the center of the surface of the sliding column (76).
2. An adjustable elastic torque arm as claimed in claim 1, wherein: the right ends of the two connecting rods (6) are fixedly connected with the same pull-down rod (8), and a pull plate (9) is arranged on the right side of the pull-down rod (8).
3. An adjustable elastic torque arm as claimed in claim 1, wherein: the inside of the upper pull rod (2) is of a hollow structure.
4. An adjustable elastic torque arm as claimed in claim 1, wherein: the surface of the sliding block (4) is in movable contact with the surface of the upper pull rod (2).
5. An adjustable elastic torque arm as claimed in claim 1, wherein: the connecting rod (6) is movably connected with the upper pull rod (2).
6. An adjustable elastic torque arm as claimed in claim 1, wherein: the movable plate (77) is movably connected with the groove (75).
7. An adjustable elastic torque arm as claimed in claim 1, wherein: the clamping block (78) is movably clamped with the limiting groove (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322018751.3U CN220227578U (en) | 2023-07-28 | 2023-07-28 | Adjustable elastic torque arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322018751.3U CN220227578U (en) | 2023-07-28 | 2023-07-28 | Adjustable elastic torque arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227578U true CN220227578U (en) | 2023-12-22 |
Family
ID=89186947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322018751.3U Active CN220227578U (en) | 2023-07-28 | 2023-07-28 | Adjustable elastic torque arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227578U (en) |
-
2023
- 2023-07-28 CN CN202322018751.3U patent/CN220227578U/en active Active
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