CN210732405U - Crankshaft placing rack - Google Patents
Crankshaft placing rack Download PDFInfo
- Publication number
- CN210732405U CN210732405U CN201921051431.5U CN201921051431U CN210732405U CN 210732405 U CN210732405 U CN 210732405U CN 201921051431 U CN201921051431 U CN 201921051431U CN 210732405 U CN210732405 U CN 210732405U
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- China
- Prior art keywords
- connecting arm
- arm
- supporting
- rotating shaft
- placing rack
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- Expired - Fee Related
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Abstract
The utility model discloses a crankshaft placing rack, which relates to the technical field of crankshaft stacking, and comprises at least two supporting units, wherein each supporting unit comprises a mounting plate, a first supporting component and a second supporting component, the first supporting component comprises a first connecting arm and a second connecting arm, the opposite ends of the first connecting arm and the second connecting arm are rotatably connected through a first rotating shaft, and the other end of the first connecting arm is hinged on the mounting plate; the second support assembly comprises a third connecting arm and a fourth connecting arm, the opposite ends of the third connecting arm and the fourth connecting arm are rotatably connected through a second rotating shaft, and the other end of the third connecting arm is hinged to the mounting plate; supporting rollers are arranged on the first rotating shaft and the second rotating shaft; the outer end of the second connecting arm and the outer end of the fourth connecting arm are both connected to the adjusting mechanism. The utility model provides a technical problem with adjustable among the prior art bent axle rack, the utility model discloses bent axle rack's support point position can freely be adjusted to can stabilize the locking after adjusting.
Description
Technical Field
The utility model relates to a technical field, in particular to bent axle rack with adjustable is stacked to bent axle.
Background
In the process of processing the crankshaft, the crankshaft needs to be placed in a turnover manner in a placing rack when transferred among various working procedures, the existing placing rack generally adopts two fixed combined supporting roller wheels to support the main shaft end of the crankshaft, the shaft diameter of the main shaft of the crankshaft which can be supported by the placing rack is limited, and if the shaft diameter of the main shaft of the supported crankshaft is too large, the crankshaft is easy to separate from the placing rack due to external vibration and other reasons, so that the crankshaft is damaged; when the main shaft diameter of the supported crankshaft is small, the crankshaft may fall off from the bottoms of the two support rollers.
Disclosure of Invention
To above defect, the utility model aims at providing a bent axle rack aims at solving the technical problem that bent axle rack is not adjustable among the prior art.
In order to solve the technical problem, the technical scheme of the utility model is that:
a crankshaft placing rack comprises at least two supporting units, each supporting unit comprises a mounting plate, a first supporting assembly and a second supporting assembly are arranged on the mounting plate,
the first support assembly comprises a first connecting arm and a second connecting arm, opposite ends of the first connecting arm and the second connecting arm are rotatably connected through a first rotating shaft, and the other end of the first connecting arm is hinged to the mounting plate;
the second support assembly comprises a third connecting arm and a fourth connecting arm, the opposite ends of the third connecting arm and the fourth connecting arm are rotatably connected through a second rotating shaft, and the other end of the third connecting arm is hinged to the mounting plate;
supporting rollers are arranged on the first rotating shaft and the second rotating shaft;
the first connecting arm, the second connecting arm, the third connecting arm and the fourth connecting arm are positioned in the same motion plane, and the motion plane is vertical to the plate surface of the mounting plate;
and the adjusting mechanism is arranged on the mounting plate, the outer end of the second connecting arm and the outer end of the fourth connecting arm are both connected to the adjusting mechanism, and the adjusting mechanism controls the movement positions of the second connecting arm and the fourth connecting arm.
The adjusting mechanism is located at the bottom of the mounting plate, a first straight notch and a second straight notch are formed in the plate body of the mounting plate, the outer end of the second connecting arm penetrates through the first straight notch to be connected to the adjusting mechanism, and the outer end of the fourth connecting arm penetrates through the second straight notch to be connected to the adjusting mechanism.
The bottom rigid coupling of mounting panel has two first installation pieces, and adjustment mechanism includes the screw rod, and the screw rod both ends are rotated and are connected on first installation piece, are equipped with screw thread revolve to opposite first screw thread section and second screw thread section on the screw rod, and the spiro union has first sliding sleeve on the first screw thread section, and the spiro union has the second sliding sleeve on the second screw thread section, and the outer end of second linking arm articulates on first sliding sleeve, and the outer end of fourth linking arm articulates in the second sliding sleeve.
Wherein, the bottom rigid coupling of mounting panel has two dogs, and the both ends department spiro union of screw rod has the lock nut that corresponds with two dogs respectively.
Wherein, the supporting roller comprises an inner wheel, and the outer side of the inner wheel is sleeved with a rubber wheel sleeve.
The mounting plate is provided with a second mounting block, and the mounting block is provided with a third rotating shaft which is rotatably connected with the first connecting arm and the second connecting arm.
The first connecting arm, the second connecting arm, the third connecting arm and the fourth connecting arm are all composed of two connecting rods arranged in parallel.
The crankshaft placing rack further comprises a worm which is rotatably installed at the bottom of the installing plate and driven by the stepping motor, a worm wheel is coaxially and fixedly connected to the middle of the screw rod, and the worm wheels connected with the two supporting units are connected to the worm.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
because the utility model discloses the bent axle rack includes two at least supporting unit, and the supporting unit is used for the support of bent axle main shaft, and every supporting unit includes the mounting panel, is equipped with first supporting component and second supporting component on the mounting panel, and first supporting component includes first linking arm and second linking arm, and the looks remote site of first linking arm and second linking arm is connected through the rotation of first pivot, and the other end of first linking arm articulates on the mounting panel; the second support assembly comprises a third connecting arm and a fourth connecting arm, the opposite ends of the third connecting arm and the fourth connecting arm are rotatably connected through a second rotating shaft, and the other end of the third connecting arm is hinged to the mounting plate; supporting rollers are arranged on the first rotating shaft and the second rotating shaft; install adjustment mechanism on the mounting panel, the outer end of second linking arm all is connected in adjustment mechanism with the fourth linking arm outer end, and thereby the motion position of second linking arm and fourth linking arm is controlled by adjustment mechanism, thereby the second linking arm drives two support running rollers actions respectively with the action of fourth linking arm to the realization is adjusted the position of two support running rollers, thereby the position of the support position of two support running rollers of modulation, thereby the stability that is applicable to the bent axle of different footpaths is placed.
Because first linking arm, second linking arm, third linking arm and fourth linking arm comprise by two connecting rods of two parallel arrangement, the structural strength of first linking arm, second linking arm, third linking arm and fourth linking arm can be promoted to two link structure, has further promoted the stability of device.
The middle part of the screw rod is coaxially and fixedly connected with a worm wheel, the worm wheels connected with the two supporting units are connected with a worm driven by a stepping motor, and synchronous adjustment of the two supporting units is realized through worm wheel-worm connection, so that the synchronism of adjustment of the supporting point positions of the two supporting units is ensured.
To sum up, the utility model provides a technical problem that bent axle rack is not adjustable among the prior art, the utility model provides a bent axle rack's support point position can freely be adjusted to can stabilize the locking after adjusting, thereby increased the main shaft diameter of the bent axle that can support scope, simultaneously the utility model discloses still have the support stable, convenient to use's characteristics.
Drawings
Fig. 1 is a schematic structural view of a supporting unit of a crankshaft placing rack of the present invention;
fig. 2 is a schematic connection diagram of two supporting units of the crankshaft placing rack of the present invention.
In the figure, 1-mounting plate, 10-first straight notch, 11-second straight notch, 12-first mounting block, 13-stop block, 14-second mounting block, 15-third rotating shaft, 2-first supporting component, 20-first connecting arm, 21-second connecting arm, 22-first rotating shaft, 3-second supporting component, 30-third connecting arm, 31-fourth connecting arm, 32-second rotating shaft, 4-supporting roller, 40-inner wheel, 41-rubber wheel sleeve, 5-adjusting mechanism, 50-screw rod, 51-first sliding sleeve, 52-second sliding sleeve, 53-locking nut, 60-worm, 61-worm wheel and 62-stepping motor.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The position that involves in this specification all uses the utility model discloses a position when bent axle rack normal operating is the standard, does not restrict its storage and the position when transporting, only represents relative position relation, does not represent absolute position relation.
The crankshaft placing frame is composed of more than two supporting units, each supporting unit is correspondingly supported on a main shaft of the crankshaft, and if the number of the supporting units is only two, the two supporting units are correspondingly supported on the main shafts at the two ends of the crankshaft respectively.
As shown in fig. 1, the supporting unit includes a mounting plate 1, a first supporting member 2, a second supporting member 3, and an adjusting mechanism 5:
a second mounting block 14 is arranged on the top plate surface of the mounting plate 1, a third rotating shaft 15 is rotatably mounted on the second mounting block 14, a first straight notch 10 and a second straight notch 11 are arranged on the plate surface of the mounting plate 1, the length directions of the first straight notch 10 and the second straight notch 11 are consistent, and the first straight notch 10 and the second straight notch 11 are symmetrically arranged on two sides of the second mounting block 14;
the first support component 2 comprises a first connecting arm 20 and a second connecting arm 21, the opposite ends of the first connecting arm 20 and the second connecting arm 21 are rotatably connected through a first rotating shaft 22, the other end of the first connecting arm 20 is connected to a third rotating shaft 15, and the other end of the second connecting arm 21 passes through the first straight notch 10 and enters the lower part of the mounting plate 1;
the second supporting component 3 comprises a third connecting arm 30 and a fourth connecting arm 31, the opposite ends of the third connecting arm 30 and the fourth connecting arm 31 are rotatably connected through a second rotating shaft 32, the other end of the third connecting arm 30 is connected to a third rotating shaft 15, and the other end of the fourth connecting arm 31 passes through the second straight notch 11 and enters the lower part of the mounting plate 1;
the first rotating shaft 22 and the second rotating shaft 32 are both provided with supporting rollers 4, the two supporting rollers 4 are directly contacted with a main shaft of the crankshaft to form a support, each supporting roller 4 comprises an inner wheel 40, each inner wheel 40 is a rigid wheel, the inner wheel 40 and the third rotating shaft 15 are coaxially and fixedly connected together, a rubber wheel sleeve 41 is sleeved on the outer side of each inner wheel 40, and the rubber wheel sleeve 41 is in flexible contact with the crankshaft to reduce the abrasion to the crankshaft;
the bottom welding of mounting panel 1 has two first installation pieces 12, adjustment mechanism 5 includes screw rod 50, first sliding sleeve 51, second sliding sleeve 52, screw rod 50 both ends are passed through the bearing and are rotated and connect on first installation piece 12, be equipped with screw thread revolve to opposite first screw thread section and second screw thread section on the screw rod 50, first sliding sleeve 51 spiro union is in first screw thread section, second sliding sleeve 52 spiro union is in the second screw thread section, the fourth pivot is installed in the top rotation of first sliding sleeve 51, the one end rotation that second linking arm 21 is located mounting panel 1 below is connected in the fourth pivot, equally, the top rotation of second ring cover installs the fifth pivot, the one end rotation that fourth linking arm 31 is located mounting panel 1 below is connected in the fifth pivot.
As shown in fig. 1, the first rotating shaft 22, the second rotating shaft 32, the third rotating shaft 15, the fourth rotating shaft and the fifth rotating shaft are parallel, the first connecting arm 20, the second connecting arm 21, the third connecting arm 30, the fourth connecting arm 31 and the screw 50 form a planar motion mechanism, the motion plane is a vertical plane perpendicular to the surface of the mounting plate 1, a handle is welded at one end of the screw 50, the screw 50 is rotated by the handle (a motor with a self-locking function can be used in other modes), the screw 50 drives the first sliding sleeve 51 and the second sliding sleeve 52 to move simultaneously, the first sliding sleeve 51 and the second sliding sleeve 52 can move oppositely or oppositely, when the first sliding sleeve 51 and the second sliding sleeve 52 move along the screw 50, the second connecting arm 21 and the fourth connecting arm 31 can be driven to swing, the second connecting arm 21 can be driven to swing the first connecting arm 20, the fourth connecting arm 31 can be driven to swing the third connecting arm 30, thereby realize adjusting two supporting roller 4's position, satisfy the stable needs of placing of the bent axle of various specifications in proper order.
As shown in fig. 1, two stoppers 13 are welded at the bottom of the mounting plate 1, two first mounting blocks 12 are located between the two stoppers 13, guide holes are formed in the stoppers 13, the guide holes are in clearance fit with the screw 50, two ends of the screw 50 penetrate through the guide holes, and a locking nut 53 is screwed at the outer end of the screw 50, so that the two locking nuts are screwed on the stoppers at the same time to fix the screw.
As shown in fig. 1, the first connecting arm 20, the second connecting arm 21, the third connecting arm 30 and the fourth connecting arm 31 are composed of two connecting rods arranged in parallel, and the double-connecting-rod structure improves the supporting capability of the first connecting arm 20, the second connecting arm 21, the third connecting arm 30 and the fourth connecting arm 31. Taking the first connecting arm 20 as an example, the supporting roller 4 and the second mounting block 14 are both located between two links constituting the first connecting arm 20.
As shown in fig. 2, the plurality of support units are uniformly adjusted by the adjusting mechanism 5, the adjusting mechanism 5 includes a worm 60, the worm 60 is connected with a stepping motor 62 through a coupling, a worm wheel 61 is mounted at the middle position of the screw 50 of each support unit, the worm 60 is connected with the worm wheel 61, and the stepping motor 62 drives the worm 60 to rotate to realize the synchronous action of the plurality of support units.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a bent axle rack, includes two at least supporting element, the supporting element includes the mounting panel, be equipped with first supporting component and second supporting component on the mounting panel, its characterized in that:
the first support assembly comprises a first connecting arm and a second connecting arm, opposite ends of the first connecting arm and the second connecting arm are rotatably connected through a first rotating shaft, and the other end of the first connecting arm is hinged to the mounting plate;
the second support assembly comprises a third connecting arm and a fourth connecting arm, the opposite end of the third connecting arm and the opposite end of the fourth connecting arm are rotatably connected through a second rotating shaft, and the other end of the third connecting arm is hinged to the mounting plate;
supporting rollers are arranged on the first rotating shaft and the second rotating shaft;
the first connecting arm, the second connecting arm, the third connecting arm and the fourth connecting arm are positioned in the same motion plane, and the motion plane is perpendicular to the plate surface of the mounting plate;
install adjustment mechanism on the mounting panel, the outer end of second linking arm with fourth linking arm outer end all connect in adjustment mechanism, by adjustment mechanism control the second linking arm with the motion position of fourth linking arm.
2. A crankshaft placing rack according to claim 1, characterized in that: the adjustment mechanism is located the bottom of mounting panel, be equipped with first straight notch and second straight notch on the plate body of mounting panel, the outer end of second linking arm passes first straight notch connect in adjustment mechanism, the outer end of fourth linking arm passes the second straight notch connect in adjustment mechanism.
3. A crankshaft placing rack according to claim 2, characterized in that: the bottom rigid coupling of mounting panel has two first installation pieces, adjustment mechanism includes the screw rod, the screw rod both ends rotate connect in on the first installation piece, be equipped with the screw thread on the screw rod and revolve to opposite first screw thread section and second screw thread section, the spiro union has first sliding sleeve on the first screw thread section, the spiro union has the second sliding sleeve on the second screw thread section, the outer end of second linking arm articulate in on the first sliding sleeve, the outer end of fourth linking arm articulate in the second sliding sleeve.
4. A crankshaft placing rack according to claim 3, characterized in that: the bottom rigid coupling of mounting panel has two dogs, the both ends department spiro union of screw rod has respectively with two lock nut that the dog corresponds.
5. A crankshaft placing rack according to claim 1, characterized in that: the supporting roller comprises an inner wheel, and a rubber wheel sleeve is sleeved on the outer side of the inner wheel.
6. A crankshaft placing rack according to claim 1, characterized in that: be equipped with the second installation piece on the mounting panel, install on the installation piece with first linking arm the third pivot of connection is rotated to the second linking arm.
7. A crankshaft placing rack according to claim 1, characterized in that: the first connecting arm, the second connecting arm, the third connecting arm and the fourth connecting arm are all composed of two connecting rods arranged in parallel.
8. A crankshaft placing rack according to any of claims 3 or 4, characterized in that: the crankshaft placing rack further comprises a worm which is rotatably installed at the bottom of the installing plate and driven by a stepping motor, a worm wheel is coaxially and fixedly connected to the middle of the screw rod, and the worm wheel connected with the supporting unit is connected to the worm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921051431.5U CN210732405U (en) | 2019-07-05 | 2019-07-05 | Crankshaft placing rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921051431.5U CN210732405U (en) | 2019-07-05 | 2019-07-05 | Crankshaft placing rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210732405U true CN210732405U (en) | 2020-06-12 |
Family
ID=70990657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921051431.5U Expired - Fee Related CN210732405U (en) | 2019-07-05 | 2019-07-05 | Crankshaft placing rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210732405U (en) |
-
2019
- 2019-07-05 CN CN201921051431.5U patent/CN210732405U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 Termination date: 20210705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |