CN221160247U - Crankshaft rotation and bolt tightening device - Google Patents
Crankshaft rotation and bolt tightening device Download PDFInfo
- Publication number
- CN221160247U CN221160247U CN202323001572.5U CN202323001572U CN221160247U CN 221160247 U CN221160247 U CN 221160247U CN 202323001572 U CN202323001572 U CN 202323001572U CN 221160247 U CN221160247 U CN 221160247U
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- crankshaft
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- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 25
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses a crankshaft rotation and bolt tightening device, which belongs to the technical field of crankshaft assembly, and comprises a bottom plate and a crankshaft, wherein a pair of symmetrically distributed fixed brackets are fixedly connected to the top end of the bottom plate, grooves are formed in the top ends of the fixed brackets, the crankshaft is arranged on the inner side of the grooves, a connecting rod is sleeved at the outer end of the crankshaft, a movable frame is arranged between the pair of fixed brackets, a limiting assembly is arranged on the inner side of the movable frame, lifting assemblies are arranged at the outer ends of the pair of fixed brackets, a movable frame is arranged between the pair of fixed brackets, a rubber block and an abutting block can clamp the connecting rod by rotating a threaded rod after the connecting rod is placed on the inner side of the mounting frame, then bolts are used for fixing and limiting the connecting rod in a limiting plate and a lantern ring after the height of the movable frame is adjusted, and workers are not required to hold the connecting rod by hands during mounting, so that the connecting rod can be prevented from falling and damage, and convenience in mounting is improved.
Description
Technical Field
The utility model relates to the technical field of crankshaft assembly, in particular to a crankshaft rotation and bolt tightening device.
Background
The crankshaft is a key component in an internal combustion engine for converting reciprocating motion into rotational motion for driving operation of an automobile or other machine, and typically has a plurality of connecting rods each connected to a piston that, when moved up and down in a cylinder, drives the crankshaft in rotation.
Chinese patent grant bulletin number: CN217756474U provides a bent axle installation frock, this scheme is through setting up connecting plate and hanging beam, fix the axis body on the connecting plate, the hanging beam is connected from the top to hoist such as rethread crane, with whole link, remove to the suitable position after, insert the casing with a part of axis body in, then dismantle the bolt, remove the link, the axis body breaks away from the link, accomplish the hoist and mount work of axis body, and a structure is simple, use manpower sparingly, and the security of use is high, through setting up a plurality of hanging holes, can be through the balance of two lifting hooks connection adjustment link in different hanging holes, keep the horizontality when guaranteeing the lifting of axis body, it is more steady to hoist and mount transportation.
When installing the bent axle of engine, need install the connecting rod on the bent axle earlier generally, because the connecting rod is mostly high strength alloy steel preparation, consequently weight is heavier, and above-mentioned scheme can not fix the connecting rod, needs one hand to hold the other hand mounting bolt of connecting rod when the staff installs, slightly negligence just easily makes the connecting rod drop subaerial, causes the damage of connecting rod, has reduced the convenience of installation, consequently proposes a bent axle rotation and bolt tightening device to above-mentioned problem.
Disclosure of utility model
1. Technical problem to be solved
The utility model aims to solve the problems in the prior art and provide a crankshaft rotating and bolt tightening device, which can clamp a connecting rod by a rubber block and an abutting block by rotating a threaded rod after the connecting rod is placed on the inner side of a mounting frame, then insert a bolt into a limiting plate and a lantern ring for fixing and limiting after the height of a movable frame is adjusted, and a worker does not need to hold the connecting rod by hands during mounting, so that the connecting rod can be prevented from falling off and being damaged, and the mounting convenience is improved.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a rotatory and bolt tightening device of bent axle, includes bottom plate and bent axle, bottom plate top fixedly connected with is a pair of fixed bolster that is symmetric distribution, the fixed bolster top is seted up flutedly, the bent axle is installed the recess is inboard, and the outer pot head of bent axle is equipped with the connecting rod, a pair of be provided with movable frame between the fixed bolster, the movable frame inboard is provided with spacing subassembly, a pair of the fixed bolster outer end all is provided with lifting unit.
Further, the movable frame outer end fixedly connected with is a pair of fixed block that is symmetric distribution, a pair of movable groove has all been seted up to the fixed bolster outer end, fixed block and movable groove sliding connection, recess inner wall fixedly connected with a plurality of installation pieces, the installation piece is the U-shaped setting.
Further, the lifting assembly comprises a bolt and a pair of limiting plates, the outer ends of the limiting plates are fixedly connected with the fixed support, a plurality of through holes which are distributed vertically at equal intervals are formed in the outer ends of the limiting plates, and the bolt is matched with the through holes.
Further, the fixed block is kept away from movable frame one end fixedly connected with lantern ring, the lantern ring is located a pair of between the limiting plate, the bolt runs through the lantern ring.
Further, the spacing subassembly includes the installing frame, the connecting rod is located the installing frame is inboard, installing frame outer end fixedly connected with a pair of slider, the slider cross-section is T shape setting, a pair of spout with slider assorted is seted up to the activity frame inboard, slider and spout sliding connection, the inboard fixedly connected with butt piece of installing frame.
Further, spacing subassembly still includes the threaded rod, the threaded hole with threaded rod assorted is seted up to the installing frame outer end, threaded rod runs through the threaded hole, and threaded rod one end rotation is connected with the rubber piece.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
(1) According to the scheme, the connecting rod is placed on the inner side of the installation frame, the threaded rod is rotated, the rubber block and the abutting block can clamp the connecting rod, then the bolt is used for inserting the limiting plate and fixing and limiting in the lantern ring after the height of the movable frame is adjusted, a worker does not need to hold the connecting rod by hand during installation, so that the connecting rod can be prevented from falling and damaging, and the installation convenience is improved.
(2) The bent axle in this scheme is for placing in the top recess of fixed bolster, because install a plurality of installation pieces in its top recess, consequently makes the bent axle just can not with recess inner wall contact, will reduce friction when the concentric degree test of line is done to the bent axle of needs rotation, prevents that the both ends of bent axle from being excessively worn and torn.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of an explosive structure of a lifting assembly according to the present utility model;
FIG. 3 is a schematic view of an explosion structure of a spacing assembly according to the present utility model;
fig. 4 is a schematic perspective view of a fixing bracket according to the present utility model.
The reference numerals in the figures illustrate:
1. A bottom plate;
2. a crankshaft;
3. A fixed bracket;
4. A lifting assembly; 41. a limiting plate; 42. a plug pin; 43. a collar;
5. a movable frame;
6. A limit component; 61. a mounting frame; 62. a slide block; 63. an abutment block; 64. a rubber block; 65. a threaded rod;
7. A mounting block;
8. a connecting rod;
9. And a fixed block.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed 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 relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like 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.
Examples:
Referring to fig. 1 and 4, a device for rotating a crankshaft and screwing bolts comprises a bottom plate 1 and a crankshaft 2, wherein a pair of symmetrically distributed fixing brackets 3 are fixedly connected to the top end of the bottom plate 1, grooves are formed in the top ends of the fixing brackets 3, the crankshaft 2 is installed on the inner side of the grooves, connecting rods 8 are sleeved on the outer ends of the crankshaft 2, a movable frame 5 is arranged between the pair of fixing brackets 3, a limiting assembly 6 is arranged on the inner side of the movable frame 5, and lifting assemblies 4 are arranged at the outer ends of the pair of fixing brackets 3.
The outer end fixedly connected with of movable frame 5 is a pair of fixed block 9 that is symmetric distribution, and the movable groove has all been seted up to a pair of fixed bolster 3 outer ends, fixed block 9 and movable groove sliding connection, recess inner wall fixedly connected with a plurality of installation pieces 7, and installation piece 7 is the U-shaped setting.
The connecting rod 8 mainly comprises a connecting rod body, a connecting rod cover and a piston, the connecting rod 8 is installed on the crankshaft 2, the connecting rod cover is required to be installed on the outer periphery of the crankshaft 2, the connecting rod cover is mainly locked and fixed through bolts, the connecting rod 8 is mainly installed on the crankshaft 2 in an auxiliary mode, meanwhile, the crankshaft 2 is required to be frequently rotated to test concentricity of the crankshaft 2 during installation, the crankshaft 2 is arranged in a groove at the top end of the two fixing brackets 3, a convex installation block 7 is installed in the groove, the crankshaft 2 is abutted against the installation block 7, so that the crankshaft 2 can be easily rotated in the groove, the installation block 7 can prevent the crankshaft 2 from contacting with the inner wall of the groove, friction force is reduced, and abrasion is reduced.
Because connecting rod 8 is the preparation of high strength alloy steel, therefore the weight is heavier, just need auxiliary device during the installation, the movable frame 5 in this scheme is mainly through the fixed block 9 of both sides slip in the movable groove on fixed bolster 3, go on reciprocating, need fix connecting rod 8 in installing frame 61 through the centre gripping of butt piece 63 and rubber block 64 earlier during the installation connecting rod 8, because installing frame 61 is connected with movable frame 5 through slider 62, consequently just can adjust the position of connecting rod 8 through removing movable frame 5, fixed block 9 is connected with lantern ring 43 simultaneously, when adjusting suitable mounted position, bolt 42 just can carry out spacing fixed, just can be convenient at this moment fix the connecting rod lid on the connecting rod body through the bolt, accomplish the installation to connecting rod 8.
Referring to fig. 1-2, the lifting assembly 4 includes a latch 42 and a pair of limiting plates 41, outer ends of the limiting plates 41 are fixedly connected with the fixed support 3, a plurality of through holes distributed vertically at equal intervals are formed in the outer ends of the limiting plates 41, and the latch 42 is matched with the through holes.
The fixed block 9 is fixedly connected with a lantern ring 43 at one end far away from the movable frame 5, the lantern ring 43 is positioned between the pair of limiting plates 41, and the bolt 42 penetrates through the lantern ring 43.
The lantern ring 43 and the fixed block 9 in this scheme are fixed connection, because the outer end of fixed bolster 3 is fixed with two limiting plates 41, and offered a plurality of through-holes with bolt 42 assorted on the limiting plate 41, consequently run through the lantern ring 43 respectively through-hole on two limiting plates 41 through bolt 42, just can block fixed block 9, reach spacing effect, make movable frame 5 can drive connecting rod 8 and remove suitable mounted position, improved the convenience of installation.
Referring to fig. 1 and 3, the limiting assembly 6 includes a mounting frame 61, a connecting rod 8 is located inside the mounting frame 61, a pair of sliding blocks 62 are fixedly connected to the outer ends of the mounting frame 61, the cross sections of the sliding blocks 62 are in T-shaped arrangement, a pair of sliding grooves matched with the sliding blocks 62 are formed inside the movable frame 5, the sliding blocks 62 are slidably connected with the sliding grooves, and an abutting block 63 is fixedly connected to the inner side of the mounting frame 61.
The limiting assembly 6 further comprises a threaded rod 65, a threaded hole matched with the threaded rod 65 is formed in the outer end of the mounting frame 61, the threaded rod 65 penetrates through the threaded hole, and a rubber block 64 is rotatably connected to one end of the threaded rod 65.
In this scheme, two sliders 62 are installed in the outside of the installation frame 61 and are in sliding connection with the sliding grooves on the inner side of the movable frame 5, so that the installation frame 61 can move in the inner side of the movable frame 5 through the sliders 62 and be adjusted to different positions, so that the connecting rod 8 is installed at different positions of the crankshaft 2, the connecting rod 8 is mainly clamped and fixed in the installation frame 61 by the abutting block 63 and the rubber block 64, the rubber block 64 and the abutting block 63 are made of rubber materials, the friction force is increased, meanwhile, the damage to the surface of the connecting rod 8 can be reduced, the threaded rod 65 is in threaded connection with the threaded holes on the installation frame 61, the rubber block 64 can be moved through rotating the threaded rod 65, the connecting rod 8 can be clamped by the rubber block 64 and the abutting block 63, the connecting rod 8 can be prevented from falling and damaging during installation, and the connecting rod 8 can be not held.
Working principle: when the device is used for installing the connecting rod 8 on the crankshaft 2, the connecting rod 8 is firstly required to be installed in the limiting assembly 6, the threaded rod 65 is in threaded connection with the threaded hole on the installation frame 61, the rubber block 64 can be moved through rotating the threaded rod 65, so that the rubber block 64 and the abutting block 63 clamp the connecting rod 8, at the moment, the connecting rod 8 is required to be moved to a proper height, as the two limiting plates 41 are fixed at the outer end of the fixed bracket 3, a plurality of through holes matched with the bolts 42 are formed in the limiting plates 41, the bolts 42 respectively penetrate through the collar 43 and the through holes in the two limiting plates 41, the fixed block 9 can be clamped, at the moment, the connecting rod cover can be fixed by using bolts, and when the connecting rod 8 is required to be installed at different positions of the crankshaft 2, the installation frame 61 can be moved to different positions through the sliding grooves on the inner side of the movable frame 5 by the sliding blocks 62.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (6)
1. The utility model provides a rotatory and bolt tightening device of bent axle, includes bottom plate (1) and bent axle (2), its characterized in that: the novel lifting device is characterized in that a pair of symmetrically distributed fixing supports (3) are fixedly connected to the top end of the bottom plate (1), grooves are formed in the top ends of the fixing supports (3), the crankshaft (2) is installed on the inner side of each groove, connecting rods (8) are sleeved at the outer ends of the crankshaft (2), movable frames (5) are arranged between the fixing supports (3), limiting assemblies (6) are arranged on the inner sides of the movable frames (5), and lifting assemblies (4) are arranged at the outer ends of the fixing supports (3).
2. The crankshaft rotation and bolt tightening device according to claim 1, wherein: the movable frame is characterized in that the outer ends of the movable frames (5) are fixedly connected with a pair of symmetrically distributed fixing blocks (9), the outer ends of the fixing supports (3) are provided with movable grooves, the fixing blocks (9) are slidably connected with the movable grooves, the inner walls of the grooves are fixedly connected with a plurality of mounting blocks (7), and the mounting blocks (7) are arranged in a U shape.
3. The crankshaft rotation and bolt tightening device according to claim 2, wherein: lifting assembly (4) are including bolt (42) and a pair of limiting plate (41), a pair of limiting plate (41) outer end all with fixed bolster (3) fixed connection, a plurality of through-holes that are vertical equidistance and distribute have been seted up to limiting plate (41) outer end, bolt (42) and through-hole assorted.
4. A crankshaft rotation and bolt tightening apparatus according to claim 3, wherein: one end of the fixed block (9) far away from the movable frame (5) is fixedly connected with a lantern ring (43), the lantern ring (43) is positioned between the pair of limiting plates (41), and the bolt (42) penetrates through the lantern ring (43).
5. The crankshaft rotation and bolt tightening device according to claim 1, wherein: spacing subassembly (6) are including installing frame (61), connecting rod (8) are located installing frame (61) are inboard, installing frame (61) outer end fixedly connected with a pair of slider (62), slider (62) cross-section is T shape setting, a pair of spout with slider (62) assorted is seted up to activity frame (5) inboard, slider (62) and spout sliding connection, installing frame (61) inboard fixedly connected with butt piece (63).
6. The crankshaft rotation and bolt tightening apparatus according to claim 5, wherein: the limiting assembly (6) further comprises a threaded rod (65), a threaded hole matched with the threaded rod (65) is formed in the outer end of the mounting frame (61), the threaded rod (65) penetrates through the threaded hole, and a rubber block (64) is rotatably connected to one end of the threaded rod (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323001572.5U CN221160247U (en) | 2023-11-07 | 2023-11-07 | Crankshaft rotation and bolt tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323001572.5U CN221160247U (en) | 2023-11-07 | 2023-11-07 | Crankshaft rotation and bolt tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221160247U true CN221160247U (en) | 2024-06-18 |
Family
ID=91533632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323001572.5U Active CN221160247U (en) | 2023-11-07 | 2023-11-07 | Crankshaft rotation and bolt tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221160247U (en) |
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2023
- 2023-11-07 CN CN202323001572.5U patent/CN221160247U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |